xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
派生 0
代码 工单 合并请求 工作流 软件包 项目 发布 百科 活动

[ACPI] Lindent all ACPI files

浏览代码 
Signed-off-by: Len Brown <len.brown@intel.com>
这个提交包含在：
Len Brown
2005-08-05 00:44:28 -04:00
父节点 c65ade4dc8
当前提交 4be44fcd3b
共修改 190 个文件，包含 24344 行新增和 29290 行删除
下载 Patch 文件 下载 Diff 文件 展开所有文件 折叠所有文件

319
drivers/acpi/executer/exconfig.c
查看文件

@@ -41,7 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/amlcode.h>
@@ -50,18 +49,14 @@
#include <acpi/actables.h>
#include <acpi/acdispat.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exconfig")
ACPI_MODULE_NAME("exconfig")
/* Local prototypes */
static acpi_status
acpi_ex_add_table (
struct acpi_table_header *table,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle);
acpi_ex_add_table(struct acpi_table_header *table,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle);
/*******************************************************************************
*
@@ -79,24 +74,21 @@ acpi_ex_add_table (
******************************************************************************/
static acpi_status
acpi_ex_add_table (
struct acpi_table_header *table,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle)
acpi_ex_add_table(struct acpi_table_header *table,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle)
{
acpi_status status;
struct acpi_table_desc table_info;
union acpi_operand_object *obj_desc;
ACPI_FUNCTION_TRACE ("ex_add_table");
acpi_status status;
struct acpi_table_desc table_info;
union acpi_operand_object *obj_desc;
ACPI_FUNCTION_TRACE("ex_add_table");
/* Create an object to be the table handle */
obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_LOCAL_REFERENCE);
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE);
if (!obj_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Init the table handle */
@@ -106,45 +98,43 @@ acpi_ex_add_table (
/* Install the new table into the local data structures */
ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc));
ACPI_MEMSET(&table_info, 0, sizeof(struct acpi_table_desc));
table_info.type = ACPI_TABLE_SSDT;
table_info.pointer = table;
table_info.length = (acpi_size) table->length;
table_info.type = ACPI_TABLE_SSDT;
table_info.pointer = table;
table_info.length = (acpi_size) table->length;
table_info.allocation = ACPI_MEM_ALLOCATED;
status = acpi_tb_install_table (&table_info);
status = acpi_tb_install_table(&table_info);
obj_desc->reference.object = table_info.installed_desc;
if (ACPI_FAILURE (status)) {
if (ACPI_FAILURE(status)) {
if (status == AE_ALREADY_EXISTS) {
/* Table already exists, just return the handle */
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
goto cleanup;
}
/* Add the table to the namespace */
status = acpi_ns_load_table (table_info.installed_desc, parent_node);
if (ACPI_FAILURE (status)) {
status = acpi_ns_load_table(table_info.installed_desc, parent_node);
if (ACPI_FAILURE(status)) {
/* Uninstall table on error */
(void) acpi_tb_uninstall_table (table_info.installed_desc);
(void)acpi_tb_uninstall_table(table_info.installed_desc);
goto cleanup;
}
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
cleanup:
acpi_ut_remove_reference (obj_desc);
cleanup:
acpi_ut_remove_reference(obj_desc);
*ddb_handle = NULL;
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_load_table_op
@@ -159,56 +149,53 @@ cleanup:
******************************************************************************/
acpi_status
acpi_ex_load_table_op (
struct acpi_walk_state *walk_state,
union acpi_operand_object **return_desc)
acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
union acpi_operand_object **return_desc)
{
acpi_status status;
union acpi_operand_object **operand = &walk_state->operands[0];
struct acpi_table_header *table;
struct acpi_namespace_node *parent_node;
struct acpi_namespace_node *start_node;
struct acpi_namespace_node *parameter_node = NULL;
union acpi_operand_object *ddb_handle;
ACPI_FUNCTION_TRACE ("ex_load_table_op");
acpi_status status;
union acpi_operand_object **operand = &walk_state->operands[0];
struct acpi_table_header *table;
struct acpi_namespace_node *parent_node;
struct acpi_namespace_node *start_node;
struct acpi_namespace_node *parameter_node = NULL;
union acpi_operand_object *ddb_handle;
ACPI_FUNCTION_TRACE("ex_load_table_op");
#if 0
/*
* Make sure that the signature does not match one of the tables that
* is already loaded.
*/
status = acpi_tb_match_signature (operand[0]->string.pointer, NULL);
status = acpi_tb_match_signature(operand[0]->string.pointer, NULL);
if (status == AE_OK) {
/* Signature matched -- don't allow override */
return_ACPI_STATUS (AE_ALREADY_EXISTS);
return_ACPI_STATUS(AE_ALREADY_EXISTS);
}
#endif
/* Find the ACPI table */
status = acpi_tb_find_table (operand[0]->string.pointer,
operand[1]->string.pointer,
operand[2]->string.pointer, &table);
if (ACPI_FAILURE (status)) {
status = acpi_tb_find_table(operand[0]->string.pointer,
operand[1]->string.pointer,
operand[2]->string.pointer, &table);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND) {
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/* Table not found, return an Integer=0 and AE_OK */
ddb_handle = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
ddb_handle = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!ddb_handle) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
ddb_handle->integer.value = 0;
*return_desc = ddb_handle;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
/* Default nodes */
@@ -223,10 +210,12 @@ acpi_ex_load_table_op (
* Find the node referenced by the root_path_string. This is the
* location within the namespace where the table will be loaded.
*/
status = acpi_ns_get_node_by_path (operand[3]->string.pointer, start_node,
ACPI_NS_SEARCH_PARENT, &parent_node);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status =
acpi_ns_get_node_by_path(operand[3]->string.pointer,
start_node, ACPI_NS_SEARCH_PARENT,
&parent_node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
@@ -234,7 +223,7 @@ acpi_ex_load_table_op (
if (operand[4]->string.length > 0) {
if ((operand[4]->string.pointer[0] != '\\') &&
(operand[4]->string.pointer[0] != '^')) {
(operand[4]->string.pointer[0] != '^')) {
/*
* Path is not absolute, so it will be relative to the node
* referenced by the root_path_string (or the NS root if omitted)
@@ -244,18 +233,20 @@ acpi_ex_load_table_op (
/* Find the node referenced by the parameter_path_string */
status = acpi_ns_get_node_by_path (operand[4]->string.pointer, start_node,
ACPI_NS_SEARCH_PARENT, &parameter_node);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status =
acpi_ns_get_node_by_path(operand[4]->string.pointer,
start_node, ACPI_NS_SEARCH_PARENT,
&parameter_node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
/* Load the table into the namespace */
status = acpi_ex_add_table (table, parent_node, &ddb_handle);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status = acpi_ex_add_table(table, parent_node, &ddb_handle);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Parameter Data (optional) */
@@ -263,20 +254,20 @@ acpi_ex_load_table_op (
if (parameter_node) {
/* Store the parameter data into the optional parameter object */
status = acpi_ex_store (operand[5],
ACPI_CAST_PTR (union acpi_operand_object, parameter_node),
walk_state);
if (ACPI_FAILURE (status)) {
(void) acpi_ex_unload_table (ddb_handle);
return_ACPI_STATUS (status);
status = acpi_ex_store(operand[5],
ACPI_CAST_PTR(union acpi_operand_object,
parameter_node),
walk_state);
if (ACPI_FAILURE(status)) {
(void)acpi_ex_unload_table(ddb_handle);
return_ACPI_STATUS(status);
}
}
*return_desc = ddb_handle;
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_load_op
@@ -293,38 +284,37 @@ acpi_ex_load_table_op (
******************************************************************************/
acpi_status
acpi_ex_load_op (
union acpi_operand_object *obj_desc,
union acpi_operand_object *target,
struct acpi_walk_state *walk_state)
acpi_ex_load_op(union acpi_operand_object *obj_desc,
union acpi_operand_object *target,
struct acpi_walk_state *walk_state)
{
acpi_status status;
union acpi_operand_object *ddb_handle;
union acpi_operand_object *buffer_desc = NULL;
struct acpi_table_header *table_ptr = NULL;
acpi_physical_address address;
struct acpi_table_header table_header;
u32 i;
ACPI_FUNCTION_TRACE ("ex_load_op");
acpi_status status;
union acpi_operand_object *ddb_handle;
union acpi_operand_object *buffer_desc = NULL;
struct acpi_table_header *table_ptr = NULL;
acpi_physical_address address;
struct acpi_table_header table_header;
u32 i;
ACPI_FUNCTION_TRACE("ex_load_op");
/* Object can be either an op_region or a Field */
switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_REGION:
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Load from Region %p %s\n",
obj_desc, acpi_ut_get_object_type_name (obj_desc)));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Load from Region %p %s\n",
obj_desc,
acpi_ut_get_object_type_name(obj_desc)));
/*
* If the Region Address and Length have not been previously evaluated,
* evaluate them now and save the results.
*/
if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) {
status = acpi_ds_get_region_arguments (obj_desc);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status = acpi_ds_get_region_arguments(obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
@@ -336,121 +326,127 @@ acpi_ex_load_op (
table_header.length = 0;
for (i = 0; i < 8; i++) {
status = acpi_ev_address_space_dispatch (obj_desc, ACPI_READ,
(acpi_physical_address) (i + address), 8,
((u8 *) &table_header) + i);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status =
acpi_ev_address_space_dispatch(obj_desc, ACPI_READ,
(acpi_physical_address)
(i + address), 8,
((u8 *) &
table_header) + i);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
/* Sanity check the table length */
if (table_header.length < sizeof (struct acpi_table_header)) {
return_ACPI_STATUS (AE_BAD_HEADER);
if (table_header.length < sizeof(struct acpi_table_header)) {
return_ACPI_STATUS(AE_BAD_HEADER);
}
/* Allocate a buffer for the entire table */
table_ptr = ACPI_MEM_ALLOCATE (table_header.length);
table_ptr = ACPI_MEM_ALLOCATE(table_header.length);
if (!table_ptr) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Get the entire table from the op region */
for (i = 0; i < table_header.length; i++) {
status = acpi_ev_address_space_dispatch (obj_desc, ACPI_READ,
(acpi_physical_address) (i + address), 8,
((u8 *) table_ptr + i));
if (ACPI_FAILURE (status)) {
status =
acpi_ev_address_space_dispatch(obj_desc, ACPI_READ,
(acpi_physical_address)
(i + address), 8,
((u8 *) table_ptr +
i));
if (ACPI_FAILURE(status)) {
goto cleanup;
}
}
break;
case ACPI_TYPE_LOCAL_REGION_FIELD:
case ACPI_TYPE_LOCAL_BANK_FIELD:
case ACPI_TYPE_LOCAL_INDEX_FIELD:
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Load from Field %p %s\n",
obj_desc, acpi_ut_get_object_type_name (obj_desc)));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Load from Field %p %s\n",
obj_desc,
acpi_ut_get_object_type_name(obj_desc)));
/*
* The length of the field must be at least as large as the table.
* Read the entire field and thus the entire table. Buffer is
* allocated during the read.
*/
status = acpi_ex_read_data_from_field (walk_state, obj_desc, &buffer_desc);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status =
acpi_ex_read_data_from_field(walk_state, obj_desc,
&buffer_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
table_ptr = ACPI_CAST_PTR (struct acpi_table_header,
buffer_desc->buffer.pointer);
table_ptr = ACPI_CAST_PTR(struct acpi_table_header,
buffer_desc->buffer.pointer);
/* All done with the buffer_desc, delete it */
buffer_desc->buffer.pointer = NULL;
acpi_ut_remove_reference (buffer_desc);
acpi_ut_remove_reference(buffer_desc);
/* Sanity check the table length */
if (table_ptr->length < sizeof (struct acpi_table_header)) {
if (table_ptr->length < sizeof(struct acpi_table_header)) {
status = AE_BAD_HEADER;
goto cleanup;
}
break;
default:
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/* The table must be either an SSDT or a PSDT */
if ((!ACPI_STRNCMP (table_ptr->signature,
acpi_gbl_table_data[ACPI_TABLE_PSDT].signature,
acpi_gbl_table_data[ACPI_TABLE_PSDT].sig_length)) &&
(!ACPI_STRNCMP (table_ptr->signature,
acpi_gbl_table_data[ACPI_TABLE_SSDT].signature,
acpi_gbl_table_data[ACPI_TABLE_SSDT].sig_length))) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Table has invalid signature [%4.4s], must be SSDT or PSDT\n",
table_ptr->signature));
if ((!ACPI_STRNCMP(table_ptr->signature,
acpi_gbl_table_data[ACPI_TABLE_PSDT].signature,
acpi_gbl_table_data[ACPI_TABLE_PSDT].sig_length)) &&
(!ACPI_STRNCMP(table_ptr->signature,
acpi_gbl_table_data[ACPI_TABLE_SSDT].signature,
acpi_gbl_table_data[ACPI_TABLE_SSDT].sig_length))) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Table has invalid signature [%4.4s], must be SSDT or PSDT\n",
table_ptr->signature));
status = AE_BAD_SIGNATURE;
goto cleanup;
}
/* Install the new table into the local data structures */
status = acpi_ex_add_table (table_ptr, acpi_gbl_root_node, &ddb_handle);
if (ACPI_FAILURE (status)) {
status = acpi_ex_add_table(table_ptr, acpi_gbl_root_node, &ddb_handle);
if (ACPI_FAILURE(status)) {
/* On error, table_ptr was deallocated above */
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/* Store the ddb_handle into the Target operand */
status = acpi_ex_store (ddb_handle, target, walk_state);
if (ACPI_FAILURE (status)) {
(void) acpi_ex_unload_table (ddb_handle);
status = acpi_ex_store(ddb_handle, target, walk_state);
if (ACPI_FAILURE(status)) {
(void)acpi_ex_unload_table(ddb_handle);
/* table_ptr was deallocated above */
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
cleanup:
if (ACPI_FAILURE (status)) {
ACPI_MEM_FREE (table_ptr);
cleanup:
if (ACPI_FAILURE(status)) {
ACPI_MEM_FREE(table_ptr);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_unload_table
@@ -463,17 +459,13 @@ cleanup:
*
******************************************************************************/
acpi_status
acpi_ex_unload_table (
union acpi_operand_object *ddb_handle)
acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
{
acpi_status status = AE_OK;
union acpi_operand_object *table_desc = ddb_handle;
struct acpi_table_desc *table_info;
ACPI_FUNCTION_TRACE ("ex_unload_table");
acpi_status status = AE_OK;
union acpi_operand_object *table_desc = ddb_handle;
struct acpi_table_desc *table_info;
ACPI_FUNCTION_TRACE("ex_unload_table");
/*
* Validate the handle
@@ -482,29 +474,28 @@ acpi_ex_unload_table (
* validated here.
*/
if ((!ddb_handle) ||
(ACPI_GET_DESCRIPTOR_TYPE (ddb_handle) != ACPI_DESC_TYPE_OPERAND) ||
(ACPI_GET_OBJECT_TYPE (ddb_handle) != ACPI_TYPE_LOCAL_REFERENCE)) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
(ACPI_GET_DESCRIPTOR_TYPE(ddb_handle) != ACPI_DESC_TYPE_OPERAND) ||
(ACPI_GET_OBJECT_TYPE(ddb_handle) != ACPI_TYPE_LOCAL_REFERENCE)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Get the actual table descriptor from the ddb_handle */
table_info = (struct acpi_table_desc *) table_desc->reference.object;
table_info = (struct acpi_table_desc *)table_desc->reference.object;
/*
* Delete the entire namespace under this table Node
* (Offset contains the table_id)
*/
acpi_ns_delete_namespace_by_owner (table_info->owner_id);
acpi_ut_release_owner_id (&table_info->owner_id);
acpi_ns_delete_namespace_by_owner(table_info->owner_id);
acpi_ut_release_owner_id(&table_info->owner_id);
/* Delete the table itself */
(void) acpi_tb_uninstall_table (table_info->installed_desc);
(void)acpi_tb_uninstall_table(table_info->installed_desc);
/* Delete the table descriptor (ddb_handle) */
acpi_ut_remove_reference (table_desc);
return_ACPI_STATUS (status);
acpi_ut_remove_reference(table_desc);
return_ACPI_STATUS(status);
}

309
drivers/acpi/executer/exconvrt.c
查看文件

@@ -41,24 +41,17 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/amlcode.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exconvrt")
ACPI_MODULE_NAME("exconvrt")
/* Local prototypes */
static u32
acpi_ex_convert_to_ascii (
acpi_integer integer,
u16 base,
u8 *string,
u8 max_length);
acpi_ex_convert_to_ascii(acpi_integer integer,
u16 base, u8 * string, u8 max_length);
/*******************************************************************************
*
@@ -76,29 +69,25 @@ acpi_ex_convert_to_ascii (
******************************************************************************/
acpi_status
acpi_ex_convert_to_integer (
union acpi_operand_object *obj_desc,
union acpi_operand_object **result_desc,
u32 flags)
acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
union acpi_operand_object **result_desc, u32 flags)
{
union acpi_operand_object *return_desc;
u8 *pointer;
acpi_integer result;
u32 i;
u32 count;
acpi_status status;
union acpi_operand_object *return_desc;
u8 *pointer;
acpi_integer result;
u32 i;
u32 count;
acpi_status status;
ACPI_FUNCTION_TRACE_PTR("ex_convert_to_integer", obj_desc);
ACPI_FUNCTION_TRACE_PTR ("ex_convert_to_integer", obj_desc);
switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_INTEGER:
/* No conversion necessary */
*result_desc = obj_desc;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
case ACPI_TYPE_BUFFER:
case ACPI_TYPE_STRING:
@@ -106,11 +95,11 @@ acpi_ex_convert_to_integer (
/* Note: Takes advantage of common buffer/string fields */
pointer = obj_desc->buffer.pointer;
count = obj_desc->buffer.length;
count = obj_desc->buffer.length;
break;
default:
return_ACPI_STATUS (AE_TYPE);
return_ACPI_STATUS(AE_TYPE);
}
/*
@@ -126,7 +115,7 @@ acpi_ex_convert_to_integer (
/* String conversion is different than Buffer conversion */
switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_STRING:
/*
@@ -135,19 +124,18 @@ acpi_ex_convert_to_integer (
* of ACPI 3.0) is that the to_integer() operator allows both decimal
* and hexadecimal strings (hex prefixed with "0x").
*/
status = acpi_ut_strtoul64 ((char *) pointer, flags, &result);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status = acpi_ut_strtoul64((char *)pointer, flags, &result);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
break;
case ACPI_TYPE_BUFFER:
/* Check for zero-length buffer */
if (!count) {
return_ACPI_STATUS (AE_AML_BUFFER_LIMIT);
return_ACPI_STATUS(AE_AML_BUFFER_LIMIT);
}
/* Transfer no more than an integer's worth of data */
@@ -170,7 +158,6 @@ acpi_ex_convert_to_integer (
}
break;
default:
/* No other types can get here */
break;
@@ -178,20 +165,19 @@ acpi_ex_convert_to_integer (
/* Create a new integer */
return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Save the Result */
return_desc->integer.value = result;
acpi_ex_truncate_for32bit_table (return_desc);
acpi_ex_truncate_for32bit_table(return_desc);
*result_desc = return_desc;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_convert_to_buffer
@@ -207,25 +193,21 @@ acpi_ex_convert_to_integer (
******************************************************************************/
acpi_status
acpi_ex_convert_to_buffer (
union acpi_operand_object *obj_desc,
union acpi_operand_object **result_desc)
acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
union acpi_operand_object **result_desc)
{
union acpi_operand_object *return_desc;
u8 *new_buf;
union acpi_operand_object *return_desc;
u8 *new_buf;
ACPI_FUNCTION_TRACE_PTR("ex_convert_to_buffer", obj_desc);
ACPI_FUNCTION_TRACE_PTR ("ex_convert_to_buffer", obj_desc);
switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_BUFFER:
/* No conversion necessary */
*result_desc = obj_desc;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
case ACPI_TYPE_INTEGER:
@@ -233,20 +215,20 @@ acpi_ex_convert_to_buffer (
* Create a new Buffer object.
* Need enough space for one integer
*/
return_desc = acpi_ut_create_buffer_object (acpi_gbl_integer_byte_width);
return_desc =
acpi_ut_create_buffer_object(acpi_gbl_integer_byte_width);
if (!return_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Copy the integer to the buffer, LSB first */
new_buf = return_desc->buffer.pointer;
ACPI_MEMCPY (new_buf,
&obj_desc->integer.value,
acpi_gbl_integer_byte_width);
ACPI_MEMCPY(new_buf,
&obj_desc->integer.value,
acpi_gbl_integer_byte_width);
break;
case ACPI_TYPE_STRING:
/*
@@ -258,32 +240,31 @@ acpi_ex_convert_to_buffer (
* ASL/AML code that depends on the null being transferred to the new
* buffer.
*/
return_desc = acpi_ut_create_buffer_object (
(acpi_size) obj_desc->string.length + 1);
return_desc = acpi_ut_create_buffer_object((acpi_size)
obj_desc->string.
length + 1);
if (!return_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Copy the string to the buffer */
new_buf = return_desc->buffer.pointer;
ACPI_STRNCPY ((char *) new_buf, (char *) obj_desc->string.pointer,
obj_desc->string.length);
ACPI_STRNCPY((char *)new_buf, (char *)obj_desc->string.pointer,
obj_desc->string.length);
break;
default:
return_ACPI_STATUS (AE_TYPE);
return_ACPI_STATUS(AE_TYPE);
}
/* Mark buffer initialized */
return_desc->common.flags |= AOPOBJ_DATA_VALID;
*result_desc = return_desc;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_convert_to_ascii
@@ -300,24 +281,19 @@ acpi_ex_convert_to_buffer (
******************************************************************************/
static u32
acpi_ex_convert_to_ascii (
acpi_integer integer,
u16 base,
u8 *string,
u8 data_width)
acpi_ex_convert_to_ascii(acpi_integer integer,
u16 base, u8 * string, u8 data_width)
{
acpi_integer digit;
acpi_native_uint i;
acpi_native_uint j;
acpi_native_uint k = 0;
acpi_native_uint hex_length;
acpi_native_uint decimal_length;
u32 remainder;
u8 supress_zeros;
ACPI_FUNCTION_ENTRY ();
acpi_integer digit;
acpi_native_uint i;
acpi_native_uint j;
acpi_native_uint k = 0;
acpi_native_uint hex_length;
acpi_native_uint decimal_length;
u32 remainder;
u8 supress_zeros;
ACPI_FUNCTION_ENTRY();
switch (base) {
case 10:
@@ -339,7 +315,7 @@ acpi_ex_convert_to_ascii (
break;
}
supress_zeros = TRUE; /* No leading zeros */
supress_zeros = TRUE; /* No leading zeros */
remainder = 0;
for (i = decimal_length; i > 0; i--) {
@@ -347,7 +323,8 @@ acpi_ex_convert_to_ascii (
digit = integer;
for (j = 0; j < i; j++) {
(void) acpi_ut_short_divide (digit, 10, &digit, &remainder);
(void)acpi_ut_short_divide(digit, 10, &digit,
&remainder);
}
/* Handle leading zeros */
@@ -367,11 +344,13 @@ acpi_ex_convert_to_ascii (
/* hex_length: 2 ascii hex chars per data byte */
hex_length = (acpi_native_uint) ACPI_MUL_2 (data_width);
for (i = 0, j = (hex_length-1); i < hex_length; i++, j--) {
hex_length = (acpi_native_uint) ACPI_MUL_2(data_width);
for (i = 0, j = (hex_length - 1); i < hex_length; i++, j--) {
/* Get one hex digit, most significant digits first */
string[k] = (u8) acpi_ut_hex_to_ascii_char (integer, ACPI_MUL_4 (j));
string[k] =
(u8) acpi_ut_hex_to_ascii_char(integer,
ACPI_MUL_4(j));
k++;
}
break;
@@ -387,15 +366,14 @@ acpi_ex_convert_to_ascii (
* Finally, null terminate the string and return the length
*/
if (!k) {
string [0] = ACPI_ASCII_ZERO;
string[0] = ACPI_ASCII_ZERO;
k = 1;
}
string [k] = 0;
string[k] = 0;
return ((u32) k);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_convert_to_string
@@ -412,30 +390,25 @@ acpi_ex_convert_to_ascii (
******************************************************************************/
acpi_status
acpi_ex_convert_to_string (
union acpi_operand_object *obj_desc,
union acpi_operand_object **result_desc,
u32 type)
acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
union acpi_operand_object ** result_desc, u32 type)
{
union acpi_operand_object *return_desc;
u8 *new_buf;
u32 i;
u32 string_length = 0;
u16 base = 16;
u8 separator = ',';
union acpi_operand_object *return_desc;
u8 *new_buf;
u32 i;
u32 string_length = 0;
u16 base = 16;
u8 separator = ',';
ACPI_FUNCTION_TRACE_PTR("ex_convert_to_string", obj_desc);
ACPI_FUNCTION_TRACE_PTR ("ex_convert_to_string", obj_desc);
switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_STRING:
/* No conversion necessary */
*result_desc = obj_desc;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
case ACPI_TYPE_INTEGER:
@@ -452,7 +425,7 @@ acpi_ex_convert_to_string (
/* Two hex string characters for each integer byte */
string_length = ACPI_MUL_2 (acpi_gbl_integer_byte_width);
string_length = ACPI_MUL_2(acpi_gbl_integer_byte_width);
break;
}
@@ -460,31 +433,33 @@ acpi_ex_convert_to_string (
* Create a new String
* Need enough space for one ASCII integer (plus null terminator)
*/
return_desc = acpi_ut_create_string_object ((acpi_size) string_length);
return_desc =
acpi_ut_create_string_object((acpi_size) string_length);
if (!return_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
new_buf = return_desc->buffer.pointer;
/* Convert integer to string */
string_length = acpi_ex_convert_to_ascii (obj_desc->integer.value, base,
new_buf, acpi_gbl_integer_byte_width);
string_length =
acpi_ex_convert_to_ascii(obj_desc->integer.value, base,
new_buf,
acpi_gbl_integer_byte_width);
/* Null terminate at the correct place */
return_desc->string.length = string_length;
new_buf [string_length] = 0;
new_buf[string_length] = 0;
break;
case ACPI_TYPE_BUFFER:
/* Setup string length, base, and separator */
switch (type) {
case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string */
case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string */
/*
* From ACPI: "If Data is a buffer, it is converted to a string of
* decimal values separated by commas."
@@ -498,11 +473,9 @@ acpi_ex_convert_to_string (
for (i = 0; i < obj_desc->buffer.length; i++) {
if (obj_desc->buffer.pointer[i] >= 100) {
string_length += 4;
}
else if (obj_desc->buffer.pointer[i] >= 10) {
} else if (obj_desc->buffer.pointer[i] >= 10) {
string_length += 3;
}
else {
} else {
string_length += 2;
}
}
@@ -518,7 +491,7 @@ acpi_ex_convert_to_string (
string_length = (obj_desc->buffer.length * 3);
break;
case ACPI_EXPLICIT_CONVERT_HEX: /* Used by to_hex_string */
case ACPI_EXPLICIT_CONVERT_HEX: /* Used by to_hex_string */
/*
* From ACPI: "If Data is a buffer, it is converted to a string of
* hexadecimal values separated by commas."
@@ -527,7 +500,7 @@ acpi_ex_convert_to_string (
break;
default:
return_ACPI_STATUS (AE_BAD_PARAMETER);
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/*
@@ -535,15 +508,16 @@ acpi_ex_convert_to_string (
* (-1 because of extra separator included in string_length from above)
*/
string_length--;
if (string_length > ACPI_MAX_STRING_CONVERSION) /* ACPI limit */ {
return_ACPI_STATUS (AE_AML_STRING_LIMIT);
if (string_length > ACPI_MAX_STRING_CONVERSION) { /* ACPI limit */
return_ACPI_STATUS(AE_AML_STRING_LIMIT);
}
/* Create a new string object and string buffer */
return_desc = acpi_ut_create_string_object ((acpi_size) string_length);
return_desc =
acpi_ut_create_string_object((acpi_size) string_length);
if (!return_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
new_buf = return_desc->buffer.pointer;
@@ -553,10 +527,11 @@ acpi_ex_convert_to_string (
* (separated by commas or spaces)
*/
for (i = 0; i < obj_desc->buffer.length; i++) {
new_buf += acpi_ex_convert_to_ascii (
(acpi_integer) obj_desc->buffer.pointer[i], base,
new_buf, 1);
*new_buf++ = separator; /* each separated by a comma or space */
new_buf += acpi_ex_convert_to_ascii((acpi_integer)
obj_desc->buffer.
pointer[i], base,
new_buf, 1);
*new_buf++ = separator; /* each separated by a comma or space */
}
/*
@@ -568,14 +543,13 @@ acpi_ex_convert_to_string (
break;
default:
return_ACPI_STATUS (AE_TYPE);
return_ACPI_STATUS(AE_TYPE);
}
*result_desc = return_desc;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_convert_to_target_type
@@ -592,17 +566,14 @@ acpi_ex_convert_to_string (
******************************************************************************/
acpi_status
acpi_ex_convert_to_target_type (
acpi_object_type destination_type,
union acpi_operand_object *source_desc,
union acpi_operand_object **result_desc,
struct acpi_walk_state *walk_state)
acpi_ex_convert_to_target_type(acpi_object_type destination_type,
union acpi_operand_object *source_desc,
union acpi_operand_object **result_desc,
struct acpi_walk_state *walk_state)
{
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE ("ex_convert_to_target_type");
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE("ex_convert_to_target_type");
/* Default behavior */
@@ -612,10 +583,10 @@ acpi_ex_convert_to_target_type (
* If required by the target,
* perform implicit conversion on the source before we store it.
*/
switch (GET_CURRENT_ARG_TYPE (walk_state->op_info->runtime_args)) {
switch (GET_CURRENT_ARG_TYPE(walk_state->op_info->runtime_args)) {
case ARGI_SIMPLE_TARGET:
case ARGI_FIXED_TARGET:
case ARGI_INTEGER_REF: /* Handles Increment, Decrement cases */
case ARGI_INTEGER_REF: /* Handles Increment, Decrement cases */
switch (destination_type) {
case ACPI_TYPE_LOCAL_REGION_FIELD:
@@ -627,17 +598,19 @@ acpi_ex_convert_to_target_type (
default:
/* No conversion allowed for these types */
if (destination_type != ACPI_GET_OBJECT_TYPE (source_desc)) {
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"Explicit operator, will store (%s) over existing type (%s)\n",
acpi_ut_get_object_type_name (source_desc),
acpi_ut_get_type_name (destination_type)));
if (destination_type !=
ACPI_GET_OBJECT_TYPE(source_desc)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Explicit operator, will store (%s) over existing type (%s)\n",
acpi_ut_get_object_type_name
(source_desc),
acpi_ut_get_type_name
(destination_type)));
status = AE_TYPE;
}
}
break;
case ARGI_TARGETREF:
switch (destination_type) {
@@ -649,55 +622,55 @@ acpi_ex_convert_to_target_type (
* These types require an Integer operand. We can convert
* a Buffer or a String to an Integer if necessary.
*/
status = acpi_ex_convert_to_integer (source_desc, result_desc,
16);
status =
acpi_ex_convert_to_integer(source_desc, result_desc,
16);
break;
case ACPI_TYPE_STRING:
/*
* The operand must be a String. We can convert an
* Integer or Buffer if necessary
*/
status = acpi_ex_convert_to_string (source_desc, result_desc,
ACPI_IMPLICIT_CONVERT_HEX);
status =
acpi_ex_convert_to_string(source_desc, result_desc,
ACPI_IMPLICIT_CONVERT_HEX);
break;
case ACPI_TYPE_BUFFER:
/*
* The operand must be a Buffer. We can convert an
* Integer or String if necessary
*/
status = acpi_ex_convert_to_buffer (source_desc, result_desc);
status =
acpi_ex_convert_to_buffer(source_desc, result_desc);
break;
default:
ACPI_REPORT_ERROR (("Bad destination type during conversion: %X\n",
destination_type));
ACPI_REPORT_ERROR(("Bad destination type during conversion: %X\n", destination_type));
status = AE_AML_INTERNAL;
break;
}
break;
case ARGI_REFERENCE:
/*
* create_xxxx_field cases - we are storing the field object into the name
*/
break;
default:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Unknown Target type ID 0x%X Op %s dest_type %s\n",
GET_CURRENT_ARG_TYPE (walk_state->op_info->runtime_args),
walk_state->op_info->name, acpi_ut_get_type_name (destination_type)));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unknown Target type ID 0x%X Op %s dest_type %s\n",
GET_CURRENT_ARG_TYPE(walk_state->op_info->
runtime_args),
walk_state->op_info->name,
acpi_ut_get_type_name(destination_type)));
ACPI_REPORT_ERROR (("Bad Target Type (ARGI): %X\n",
GET_CURRENT_ARG_TYPE (walk_state->op_info->runtime_args)))
status = AE_AML_INTERNAL;
ACPI_REPORT_ERROR(("Bad Target Type (ARGI): %X\n",
GET_CURRENT_ARG_TYPE(walk_state->op_info->
runtime_args)))
status = AE_AML_INTERNAL;
}
/*
@@ -710,7 +683,5 @@ acpi_ex_convert_to_target_type (
status = AE_OK;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}

342
drivers/acpi/executer/excreate.c
查看文件

@@ -41,7 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/amlcode.h>
@@ -49,10 +48,8 @@
#include <acpi/acevents.h>
#include <acpi/actables.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("excreate")
ACPI_MODULE_NAME("excreate")
#ifndef ACPI_NO_METHOD_EXECUTION
/*******************************************************************************
@@ -66,33 +63,30 @@
* DESCRIPTION: Create a new named alias
*
******************************************************************************/
acpi_status
acpi_ex_create_alias (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state)
{
struct acpi_namespace_node *target_node;
struct acpi_namespace_node *alias_node;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE ("ex_create_alias");
struct acpi_namespace_node *target_node;
struct acpi_namespace_node *alias_node;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE("ex_create_alias");
/* Get the source/alias operands (both namespace nodes) */
alias_node = (struct acpi_namespace_node *) walk_state->operands[0];
target_node = (struct acpi_namespace_node *) walk_state->operands[1];
alias_node = (struct acpi_namespace_node *)walk_state->operands[0];
target_node = (struct acpi_namespace_node *)walk_state->operands[1];
if ((target_node->type == ACPI_TYPE_LOCAL_ALIAS) ||
(target_node->type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) {
(target_node->type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) {
/*
* Dereference an existing alias so that we don't create a chain
* of aliases. With this code, we guarantee that an alias is
* always exactly one level of indirection away from the
* actual aliased name.
*/
target_node = ACPI_CAST_PTR (struct acpi_namespace_node, target_node->object);
target_node =
ACPI_CAST_PTR(struct acpi_namespace_node,
target_node->object);
}
/*
@@ -115,7 +109,8 @@ acpi_ex_create_alias (
* types, the object can change dynamically via a Store.
*/
alias_node->type = ACPI_TYPE_LOCAL_ALIAS;
alias_node->object = ACPI_CAST_PTR (union acpi_operand_object, target_node);
alias_node->object =
ACPI_CAST_PTR(union acpi_operand_object, target_node);
break;
case ACPI_TYPE_METHOD:
@@ -126,7 +121,8 @@ acpi_ex_create_alias (
* types, the object can change dynamically via a Store.
*/
alias_node->type = ACPI_TYPE_LOCAL_METHOD_ALIAS;
alias_node->object = ACPI_CAST_PTR (union acpi_operand_object, target_node);
alias_node->object =
ACPI_CAST_PTR(union acpi_operand_object, target_node);
break;
default:
@@ -139,17 +135,18 @@ acpi_ex_create_alias (
* additional reference to prevent deletion out from under either the
* target node or the alias Node
*/
status = acpi_ns_attach_object (alias_node,
acpi_ns_get_attached_object (target_node), target_node->type);
status = acpi_ns_attach_object(alias_node,
acpi_ns_get_attached_object
(target_node),
target_node->type);
break;
}
/* Since both operands are Nodes, we don't need to delete them */
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_create_event
@@ -162,18 +159,14 @@ acpi_ex_create_alias (
*
******************************************************************************/
acpi_status
acpi_ex_create_event (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state)
{
acpi_status status;
union acpi_operand_object *obj_desc;
acpi_status status;
union acpi_operand_object *obj_desc;
ACPI_FUNCTION_TRACE("ex_create_event");
ACPI_FUNCTION_TRACE ("ex_create_event");
obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_EVENT);
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_EVENT);
if (!obj_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -183,27 +176,27 @@ acpi_ex_create_event (
* Create the actual OS semaphore, with zero initial units -- meaning
* that the event is created in an unsignalled state
*/
status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0,
&obj_desc->event.semaphore);
if (ACPI_FAILURE (status)) {
status = acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0,
&obj_desc->event.semaphore);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
/* Attach object to the Node */
status = acpi_ns_attach_object ((struct acpi_namespace_node *) walk_state->operands[0],
obj_desc, ACPI_TYPE_EVENT);
status =
acpi_ns_attach_object((struct acpi_namespace_node *)walk_state->
operands[0], obj_desc, ACPI_TYPE_EVENT);
cleanup:
cleanup:
/*
* Remove local reference to the object (on error, will cause deletion
* of both object and semaphore if present.)
*/
acpi_ut_remove_reference (obj_desc);
return_ACPI_STATUS (status);
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_create_mutex
@@ -218,20 +211,16 @@ cleanup:
*
******************************************************************************/
acpi_status
acpi_ex_create_mutex (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state)
{
acpi_status status = AE_OK;
union acpi_operand_object *obj_desc;
ACPI_FUNCTION_TRACE_PTR ("ex_create_mutex", ACPI_WALK_OPERANDS);
acpi_status status = AE_OK;
union acpi_operand_object *obj_desc;
ACPI_FUNCTION_TRACE_PTR("ex_create_mutex", ACPI_WALK_OPERANDS);
/* Create the new mutex object */
obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_MUTEX);
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_MUTEX);
if (!obj_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -242,30 +231,30 @@ acpi_ex_create_mutex (
* One unit max to make it a mutex, with one initial unit to allow
* the mutex to be acquired.
*/
status = acpi_os_create_semaphore (1, 1, &obj_desc->mutex.semaphore);
if (ACPI_FAILURE (status)) {
status = acpi_os_create_semaphore(1, 1, &obj_desc->mutex.semaphore);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
/* Init object and attach to NS node */
obj_desc->mutex.sync_level = (u8) walk_state->operands[1]->integer.value;
obj_desc->mutex.node = (struct acpi_namespace_node *) walk_state->operands[0];
obj_desc->mutex.sync_level =
(u8) walk_state->operands[1]->integer.value;
obj_desc->mutex.node =
(struct acpi_namespace_node *)walk_state->operands[0];
status = acpi_ns_attach_object (obj_desc->mutex.node,
obj_desc, ACPI_TYPE_MUTEX);
status = acpi_ns_attach_object(obj_desc->mutex.node,
obj_desc, ACPI_TYPE_MUTEX);
cleanup:
cleanup:
/*
* Remove local reference to the object (on error, will cause deletion
* of both object and semaphore if present.)
*/
acpi_ut_remove_reference (obj_desc);
return_ACPI_STATUS (status);
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_create_region
@@ -282,20 +271,16 @@ cleanup:
******************************************************************************/
acpi_status
acpi_ex_create_region (
u8 *aml_start,
u32 aml_length,
u8 region_space,
struct acpi_walk_state *walk_state)
acpi_ex_create_region(u8 * aml_start,
u32 aml_length,
u8 region_space, struct acpi_walk_state *walk_state)
{
acpi_status status;
union acpi_operand_object *obj_desc;
struct acpi_namespace_node *node;
union acpi_operand_object *region_obj2;
ACPI_FUNCTION_TRACE ("ex_create_region");
acpi_status status;
union acpi_operand_object *obj_desc;
struct acpi_namespace_node *node;
union acpi_operand_object *region_obj2;
ACPI_FUNCTION_TRACE("ex_create_region");
/* Get the Namespace Node */
@@ -305,8 +290,8 @@ acpi_ex_create_region (
* If the region object is already attached to this node,
* just return
*/
if (acpi_ns_get_attached_object (node)) {
return_ACPI_STATUS (AE_OK);
if (acpi_ns_get_attached_object(node)) {
return_ACPI_STATUS(AE_OK);
}
/*
@@ -314,17 +299,18 @@ acpi_ex_create_region (
* range
*/
if ((region_space >= ACPI_NUM_PREDEFINED_REGIONS) &&
(region_space < ACPI_USER_REGION_BEGIN)) {
ACPI_REPORT_ERROR (("Invalid address_space type %X\n", region_space));
return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID);
(region_space < ACPI_USER_REGION_BEGIN)) {
ACPI_REPORT_ERROR(("Invalid address_space type %X\n",
region_space));
return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID);
}
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n",
acpi_ut_get_region_name (region_space), region_space));
ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Region Type - %s (%X)\n",
acpi_ut_get_region_name(region_space), region_space));
/* Create the region descriptor */
obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_REGION);
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_REGION);
if (!obj_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -334,7 +320,7 @@ acpi_ex_create_region (
* Remember location in AML stream of address & length
* operands since they need to be evaluated at run time.
*/
region_obj2 = obj_desc->common.next_object;
region_obj2 = obj_desc->common.next_object;
region_obj2->extra.aml_start = aml_start;
region_obj2->extra.aml_length = aml_length;
@@ -343,22 +329,20 @@ acpi_ex_create_region (
obj_desc->region.space_id = region_space;
obj_desc->region.address = 0;
obj_desc->region.length = 0;
obj_desc->region.node = node;
obj_desc->region.node = node;
/* Install the new region object in the parent Node */
status = acpi_ns_attach_object (node, obj_desc, ACPI_TYPE_REGION);
status = acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_REGION);
cleanup:
cleanup:
/* Remove local reference to the object */
acpi_ut_remove_reference (obj_desc);
return_ACPI_STATUS (status);
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_create_table_region
@@ -371,20 +355,16 @@ cleanup:
*
******************************************************************************/
acpi_status
acpi_ex_create_table_region (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state)
{
acpi_status status;
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *obj_desc;
struct acpi_namespace_node *node;
struct acpi_table_header *table;
union acpi_operand_object *region_obj2;
ACPI_FUNCTION_TRACE ("ex_create_table_region");
acpi_status status;
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *obj_desc;
struct acpi_namespace_node *node;
struct acpi_table_header *table;
union acpi_operand_object *region_obj2;
ACPI_FUNCTION_TRACE("ex_create_table_region");
/* Get the Node from the object stack */
@@ -394,66 +374,64 @@ acpi_ex_create_table_region (
* If the region object is already attached to this node,
* just return
*/
if (acpi_ns_get_attached_object (node)) {
return_ACPI_STATUS (AE_OK);
if (acpi_ns_get_attached_object(node)) {
return_ACPI_STATUS(AE_OK);
}
/* Find the ACPI table */
status = acpi_tb_find_table (operand[1]->string.pointer,
operand[2]->string.pointer,
operand[3]->string.pointer, &table);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status = acpi_tb_find_table(operand[1]->string.pointer,
operand[2]->string.pointer,
operand[3]->string.pointer, &table);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Create the region descriptor */
obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_REGION);
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_REGION);
if (!obj_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
region_obj2 = obj_desc->common.next_object;
region_obj2 = obj_desc->common.next_object;
region_obj2->extra.region_context = NULL;
/* Init the region from the operands */
obj_desc->region.space_id = REGION_DATA_TABLE;
obj_desc->region.address = (acpi_physical_address) ACPI_TO_INTEGER (table);
obj_desc->region.address =
(acpi_physical_address) ACPI_TO_INTEGER(table);
obj_desc->region.length = table->length;
obj_desc->region.node = node;
obj_desc->region.flags = AOPOBJ_DATA_VALID;
obj_desc->region.node = node;
obj_desc->region.flags = AOPOBJ_DATA_VALID;
/* Install the new region object in the parent Node */
status = acpi_ns_attach_object (node, obj_desc, ACPI_TYPE_REGION);
if (ACPI_FAILURE (status)) {
status = acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_REGION);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
status = acpi_ev_initialize_region (obj_desc, FALSE);
if (ACPI_FAILURE (status)) {
status = acpi_ev_initialize_region(obj_desc, FALSE);
if (ACPI_FAILURE(status)) {
if (status == AE_NOT_EXIST) {
status = AE_OK;
}
else {
} else {
goto cleanup;
}
}
obj_desc->region.flags |= AOPOBJ_SETUP_COMPLETE;
cleanup:
cleanup:
/* Remove local reference to the object */
acpi_ut_remove_reference (obj_desc);
return_ACPI_STATUS (status);
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_create_processor
@@ -468,43 +446,39 @@ cleanup:
*
******************************************************************************/
acpi_status
acpi_ex_create_processor (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state)
{
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *obj_desc;
acpi_status status;
ACPI_FUNCTION_TRACE_PTR ("ex_create_processor", walk_state);
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *obj_desc;
acpi_status status;
ACPI_FUNCTION_TRACE_PTR("ex_create_processor", walk_state);
/* Create the processor object */
obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_PROCESSOR);
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PROCESSOR);
if (!obj_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Initialize the processor object from the operands */
obj_desc->processor.proc_id = (u8) operand[1]->integer.value;
obj_desc->processor.address = (acpi_io_address) operand[2]->integer.value;
obj_desc->processor.length = (u8) operand[3]->integer.value;
obj_desc->processor.proc_id = (u8) operand[1]->integer.value;
obj_desc->processor.address =
(acpi_io_address) operand[2]->integer.value;
obj_desc->processor.length = (u8) operand[3]->integer.value;
/* Install the processor object in the parent Node */
status = acpi_ns_attach_object ((struct acpi_namespace_node *) operand[0],
obj_desc, ACPI_TYPE_PROCESSOR);
status = acpi_ns_attach_object((struct acpi_namespace_node *)operand[0],
obj_desc, ACPI_TYPE_PROCESSOR);
/* Remove local reference to the object */
acpi_ut_remove_reference (obj_desc);
return_ACPI_STATUS (status);
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_create_power_resource
@@ -519,43 +493,39 @@ acpi_ex_create_processor (
*
******************************************************************************/
acpi_status
acpi_ex_create_power_resource (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state)
{
union acpi_operand_object **operand = &walk_state->operands[0];
acpi_status status;
union acpi_operand_object *obj_desc;
ACPI_FUNCTION_TRACE_PTR ("ex_create_power_resource", walk_state);
union acpi_operand_object **operand = &walk_state->operands[0];
acpi_status status;
union acpi_operand_object *obj_desc;
ACPI_FUNCTION_TRACE_PTR("ex_create_power_resource", walk_state);
/* Create the power resource object */
obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_POWER);
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_POWER);
if (!obj_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Initialize the power object from the operands */
obj_desc->power_resource.system_level = (u8) operand[1]->integer.value;
obj_desc->power_resource.resource_order = (u16) operand[2]->integer.value;
obj_desc->power_resource.resource_order =
(u16) operand[2]->integer.value;
/* Install the power resource object in the parent Node */
status = acpi_ns_attach_object ((struct acpi_namespace_node *) operand[0],
obj_desc, ACPI_TYPE_POWER);
status = acpi_ns_attach_object((struct acpi_namespace_node *)operand[0],
obj_desc, ACPI_TYPE_POWER);
/* Remove local reference to the object */
acpi_ut_remove_reference (obj_desc);
return_ACPI_STATUS (status);
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}
#endif
/*******************************************************************************
*
* FUNCTION: acpi_ex_create_method
@@ -571,25 +541,21 @@ acpi_ex_create_power_resource (
******************************************************************************/
acpi_status
acpi_ex_create_method (
u8 *aml_start,
u32 aml_length,
struct acpi_walk_state *walk_state)
acpi_ex_create_method(u8 * aml_start,
u32 aml_length, struct acpi_walk_state *walk_state)
{
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *obj_desc;
acpi_status status;
u8 method_flags;
ACPI_FUNCTION_TRACE_PTR ("ex_create_method", walk_state);
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *obj_desc;
acpi_status status;
u8 method_flags;
ACPI_FUNCTION_TRACE_PTR("ex_create_method", walk_state);
/* Create a new method object */
obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_METHOD);
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_METHOD);
if (!obj_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Save the method's AML pointer and length */
@@ -603,8 +569,10 @@ acpi_ex_create_method (
*/
method_flags = (u8) operand[1]->integer.value;
obj_desc->method.method_flags = (u8) (method_flags & ~AML_METHOD_ARG_COUNT);
obj_desc->method.param_count = (u8) (method_flags & AML_METHOD_ARG_COUNT);
obj_desc->method.method_flags =
(u8) (method_flags & ~AML_METHOD_ARG_COUNT);
obj_desc->method.param_count =
(u8) (method_flags & AML_METHOD_ARG_COUNT);
/*
* Get the concurrency count. If required, a semaphore will be
@@ -613,32 +581,28 @@ acpi_ex_create_method (
if (acpi_gbl_all_methods_serialized) {
obj_desc->method.concurrency = 1;
obj_desc->method.method_flags |= AML_METHOD_SERIALIZED;
}
else if (method_flags & AML_METHOD_SERIALIZED) {
} else if (method_flags & AML_METHOD_SERIALIZED) {
/*
* ACPI 1.0: Concurrency = 1
* ACPI 2.0: Concurrency = (sync_level (in method declaration) + 1)
*/
obj_desc->method.concurrency = (u8)
(((method_flags & AML_METHOD_SYNCH_LEVEL) >> 4) + 1);
}
else {
(((method_flags & AML_METHOD_SYNCH_LEVEL) >> 4) + 1);
} else {
obj_desc->method.concurrency = ACPI_INFINITE_CONCURRENCY;
}
/* Attach the new object to the method Node */
status = acpi_ns_attach_object ((struct acpi_namespace_node *) operand[0],
obj_desc, ACPI_TYPE_METHOD);
status = acpi_ns_attach_object((struct acpi_namespace_node *)operand[0],
obj_desc, ACPI_TYPE_METHOD);
/* Remove local reference to the object */
acpi_ut_remove_reference (obj_desc);
acpi_ut_remove_reference(obj_desc);
/* Remove a reference to the operand */
acpi_ut_remove_reference (operand[1]);
return_ACPI_STATUS (status);
acpi_ut_remove_reference(operand[1]);
return_ACPI_STATUS(status);
}

750
drivers/acpi/executer/exdump.c
查看文件

文件差异内容过多而无法显示 加载差异

250
drivers/acpi/executer/exfield.c
查看文件

@@ -41,15 +41,12 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acdispat.h>
#include <acpi/acinterp.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exfield")
ACPI_MODULE_NAME("exfield")
/*******************************************************************************
*
@@ -65,67 +62,70 @@
* Buffer, depending on the size of the field.
*
******************************************************************************/
acpi_status
acpi_ex_read_data_from_field (
struct acpi_walk_state *walk_state,
union acpi_operand_object *obj_desc,
union acpi_operand_object **ret_buffer_desc)
acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
union acpi_operand_object *obj_desc,
union acpi_operand_object **ret_buffer_desc)
{
acpi_status status;
union acpi_operand_object *buffer_desc;
acpi_size length;
void *buffer;
u8 locked;
ACPI_FUNCTION_TRACE_PTR ("ex_read_data_from_field", obj_desc);
acpi_status status;
union acpi_operand_object *buffer_desc;
acpi_size length;
void *buffer;
u8 locked;
ACPI_FUNCTION_TRACE_PTR("ex_read_data_from_field", obj_desc);
/* Parameter validation */
if (!obj_desc) {
return_ACPI_STATUS (AE_AML_NO_OPERAND);
return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
if (!ret_buffer_desc) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_BUFFER_FIELD) {
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_BUFFER_FIELD) {
/*
* If the buffer_field arguments have not been previously evaluated,
* evaluate them now and save the results.
*/
if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) {
status = acpi_ds_get_buffer_field_arguments (obj_desc);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status = acpi_ds_get_buffer_field_arguments(obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
}
else if ((ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_LOCAL_REGION_FIELD) &&
(obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_SMBUS)) {
} else
if ((ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REGION_FIELD)
&& (obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_SMBUS)) {
/*
* This is an SMBus read. We must create a buffer to hold the data
* and directly access the region handler.
*/
buffer_desc = acpi_ut_create_buffer_object (ACPI_SMBUS_BUFFER_SIZE);
buffer_desc =
acpi_ut_create_buffer_object(ACPI_SMBUS_BUFFER_SIZE);
if (!buffer_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Lock entire transaction if requested */
locked = acpi_ex_acquire_global_lock (obj_desc->common_field.field_flags);
locked =
acpi_ex_acquire_global_lock(obj_desc->common_field.
field_flags);
/*
* Perform the read.
* Note: Smbus protocol value is passed in upper 16-bits of Function
*/
status = acpi_ex_access_region (obj_desc, 0,
ACPI_CAST_PTR (acpi_integer, buffer_desc->buffer.pointer),
ACPI_READ | (obj_desc->field.attribute << 16));
acpi_ex_release_global_lock (locked);
status = acpi_ex_access_region(obj_desc, 0,
ACPI_CAST_PTR(acpi_integer,
buffer_desc->
buffer.pointer),
ACPI_READ | (obj_desc->field.
attribute << 16));
acpi_ex_release_global_lock(locked);
goto exit;
}
@@ -139,22 +139,22 @@ acpi_ex_read_data_from_field (
*
* Note: Field.length is in bits.
*/
length = (acpi_size) ACPI_ROUND_BITS_UP_TO_BYTES (obj_desc->field.bit_length);
length =
(acpi_size) ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length);
if (length > acpi_gbl_integer_byte_width) {
/* Field is too large for an Integer, create a Buffer instead */
buffer_desc = acpi_ut_create_buffer_object (length);
buffer_desc = acpi_ut_create_buffer_object(length);
if (!buffer_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
buffer = buffer_desc->buffer.pointer;
}
else {
} else {
/* Field will fit within an Integer (normal case) */
buffer_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
buffer_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!buffer_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
length = acpi_gbl_integer_byte_width;
@@ -162,37 +162,36 @@ acpi_ex_read_data_from_field (
buffer = &buffer_desc->integer.value;
}
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"field_read [TO]: Obj %p, Type %X, Buf %p, byte_len %X\n",
obj_desc, ACPI_GET_OBJECT_TYPE (obj_desc), buffer, (u32) length));
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"field_read [FROM]: bit_len %X, bit_off %X, byte_off %X\n",
obj_desc->common_field.bit_length,
obj_desc->common_field.start_field_bit_offset,
obj_desc->common_field.base_byte_offset));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"field_read [TO]: Obj %p, Type %X, Buf %p, byte_len %X\n",
obj_desc, ACPI_GET_OBJECT_TYPE(obj_desc), buffer,
(u32) length));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"field_read [FROM]: bit_len %X, bit_off %X, byte_off %X\n",
obj_desc->common_field.bit_length,
obj_desc->common_field.start_field_bit_offset,
obj_desc->common_field.base_byte_offset));
/* Lock entire transaction if requested */
locked = acpi_ex_acquire_global_lock (obj_desc->common_field.field_flags);
locked =
acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags);
/* Read from the field */
status = acpi_ex_extract_from_field (obj_desc, buffer, (u32) length);
acpi_ex_release_global_lock (locked);
status = acpi_ex_extract_from_field(obj_desc, buffer, (u32) length);
acpi_ex_release_global_lock(locked);
exit:
if (ACPI_FAILURE (status)) {
acpi_ut_remove_reference (buffer_desc);
}
else {
exit:
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference(buffer_desc);
} else {
*ret_buffer_desc = buffer_desc;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_write_data_to_field
@@ -208,97 +207,96 @@ exit:
******************************************************************************/
acpi_status
acpi_ex_write_data_to_field (
union acpi_operand_object *source_desc,
union acpi_operand_object *obj_desc,
union acpi_operand_object **result_desc)
acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
union acpi_operand_object *obj_desc,
union acpi_operand_object **result_desc)
{
acpi_status status;
u32 length;
u32 required_length;
void *buffer;
void *new_buffer;
u8 locked;
union acpi_operand_object *buffer_desc;
ACPI_FUNCTION_TRACE_PTR ("ex_write_data_to_field", obj_desc);
acpi_status status;
u32 length;
u32 required_length;
void *buffer;
void *new_buffer;
u8 locked;
union acpi_operand_object *buffer_desc;
ACPI_FUNCTION_TRACE_PTR("ex_write_data_to_field", obj_desc);
/* Parameter validation */
if (!source_desc || !obj_desc) {
return_ACPI_STATUS (AE_AML_NO_OPERAND);
return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_BUFFER_FIELD) {
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_BUFFER_FIELD) {
/*
* If the buffer_field arguments have not been previously evaluated,
* evaluate them now and save the results.
*/
if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) {
status = acpi_ds_get_buffer_field_arguments (obj_desc);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status = acpi_ds_get_buffer_field_arguments(obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
}
else if ((ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_LOCAL_REGION_FIELD) &&
(obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_SMBUS)) {
} else
if ((ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REGION_FIELD)
&& (obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_SMBUS)) {
/*
* This is an SMBus write. We will bypass the entire field mechanism
* and handoff the buffer directly to the handler.
*
* Source must be a buffer of sufficient size (ACPI_SMBUS_BUFFER_SIZE).
*/
if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) {
ACPI_REPORT_ERROR (("SMBus write requires Buffer, found type %s\n",
acpi_ut_get_object_type_name (source_desc)));
if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_BUFFER) {
ACPI_REPORT_ERROR(("SMBus write requires Buffer, found type %s\n", acpi_ut_get_object_type_name(source_desc)));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
if (source_desc->buffer.length < ACPI_SMBUS_BUFFER_SIZE) {
ACPI_REPORT_ERROR ((
"SMBus write requires Buffer of length %X, found length %X\n",
ACPI_SMBUS_BUFFER_SIZE, source_desc->buffer.length));
ACPI_REPORT_ERROR(("SMBus write requires Buffer of length %X, found length %X\n", ACPI_SMBUS_BUFFER_SIZE, source_desc->buffer.length));
return_ACPI_STATUS (AE_AML_BUFFER_LIMIT);
return_ACPI_STATUS(AE_AML_BUFFER_LIMIT);
}
buffer_desc = acpi_ut_create_buffer_object (ACPI_SMBUS_BUFFER_SIZE);
buffer_desc =
acpi_ut_create_buffer_object(ACPI_SMBUS_BUFFER_SIZE);
if (!buffer_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
buffer = buffer_desc->buffer.pointer;
ACPI_MEMCPY (buffer, source_desc->buffer.pointer,
ACPI_SMBUS_BUFFER_SIZE);
ACPI_MEMCPY(buffer, source_desc->buffer.pointer,
ACPI_SMBUS_BUFFER_SIZE);
/* Lock entire transaction if requested */
locked = acpi_ex_acquire_global_lock (obj_desc->common_field.field_flags);
locked =
acpi_ex_acquire_global_lock(obj_desc->common_field.
field_flags);
/*
* Perform the write (returns status and perhaps data in the
* same buffer)
* Note: SMBus protocol type is passed in upper 16-bits of Function.
*/
status = acpi_ex_access_region (obj_desc, 0,
(acpi_integer *) buffer,
ACPI_WRITE | (obj_desc->field.attribute << 16));
acpi_ex_release_global_lock (locked);
status = acpi_ex_access_region(obj_desc, 0,
(acpi_integer *) buffer,
ACPI_WRITE | (obj_desc->field.
attribute << 16));
acpi_ex_release_global_lock(locked);
*result_desc = buffer_desc;
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/* Get a pointer to the data to be written */
switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
switch (ACPI_GET_OBJECT_TYPE(source_desc)) {
case ACPI_TYPE_INTEGER:
buffer = &source_desc->integer.value;
length = sizeof (source_desc->integer.value);
length = sizeof(source_desc->integer.value);
break;
case ACPI_TYPE_BUFFER:
@@ -312,7 +310,7 @@ acpi_ex_write_data_to_field (
break;
default:
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/*
@@ -322,15 +320,15 @@ acpi_ex_write_data_to_field (
* the ACPI specification.
*/
new_buffer = NULL;
required_length = ACPI_ROUND_BITS_UP_TO_BYTES (
obj_desc->common_field.bit_length);
required_length =
ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.bit_length);
if (length < required_length) {
/* We need to create a new buffer */
new_buffer = ACPI_MEM_CALLOCATE (required_length);
new_buffer = ACPI_MEM_CALLOCATE(required_length);
if (!new_buffer) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/*
@@ -338,40 +336,42 @@ acpi_ex_write_data_to_field (
* at Byte zero. All unused (upper) bytes of the
* buffer will be 0.
*/
ACPI_MEMCPY ((char *) new_buffer, (char *) buffer, length);
ACPI_MEMCPY((char *)new_buffer, (char *)buffer, length);
buffer = new_buffer;
length = required_length;
}
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"field_write [FROM]: Obj %p (%s:%X), Buf %p, byte_len %X\n",
source_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (source_desc)),
ACPI_GET_OBJECT_TYPE (source_desc), buffer, length));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"field_write [FROM]: Obj %p (%s:%X), Buf %p, byte_len %X\n",
source_desc,
acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE
(source_desc)),
ACPI_GET_OBJECT_TYPE(source_desc), buffer, length));
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"field_write [TO]: Obj %p (%s:%X), bit_len %X, bit_off %X, byte_off %X\n",
obj_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (obj_desc)),
ACPI_GET_OBJECT_TYPE (obj_desc),
obj_desc->common_field.bit_length,
obj_desc->common_field.start_field_bit_offset,
obj_desc->common_field.base_byte_offset));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"field_write [TO]: Obj %p (%s:%X), bit_len %X, bit_off %X, byte_off %X\n",
obj_desc,
acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc)),
ACPI_GET_OBJECT_TYPE(obj_desc),
obj_desc->common_field.bit_length,
obj_desc->common_field.start_field_bit_offset,
obj_desc->common_field.base_byte_offset));
/* Lock entire transaction if requested */
locked = acpi_ex_acquire_global_lock (obj_desc->common_field.field_flags);
locked =
acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags);
/* Write to the field */
status = acpi_ex_insert_into_field (obj_desc, buffer, length);
acpi_ex_release_global_lock (locked);
status = acpi_ex_insert_into_field(obj_desc, buffer, length);
acpi_ex_release_global_lock(locked);
/* Free temporary buffer if we used one */
if (new_buffer) {
ACPI_MEM_FREE (new_buffer);
ACPI_MEM_FREE(new_buffer);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}

638
drivers/acpi/executer/exfldio.c
查看文件

文件差异内容过多而无法显示 加载差异

358
drivers/acpi/executer/exmisc.c
查看文件

@@ -42,15 +42,12 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/amlcode.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exmisc")
ACPI_MODULE_NAME("exmisc")
/*******************************************************************************
*
@@ -66,27 +63,23 @@
* Common code for the ref_of_op and the cond_ref_of_op.
*
******************************************************************************/
acpi_status
acpi_ex_get_object_reference (
union acpi_operand_object *obj_desc,
union acpi_operand_object **return_desc,
struct acpi_walk_state *walk_state)
acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
union acpi_operand_object **return_desc,
struct acpi_walk_state *walk_state)
{
union acpi_operand_object *reference_obj;
union acpi_operand_object *referenced_obj;
ACPI_FUNCTION_TRACE_PTR ("ex_get_object_reference", obj_desc);
union acpi_operand_object *reference_obj;
union acpi_operand_object *referenced_obj;
ACPI_FUNCTION_TRACE_PTR("ex_get_object_reference", obj_desc);
*return_desc = NULL;
switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) {
switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
case ACPI_DESC_TYPE_OPERAND:
if (ACPI_GET_OBJECT_TYPE (obj_desc) != ACPI_TYPE_LOCAL_REFERENCE) {
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_LOCAL_REFERENCE) {
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/*
@@ -104,13 +97,11 @@ acpi_ex_get_object_reference (
default:
ACPI_REPORT_ERROR (("Unknown Reference opcode in get_reference %X\n",
obj_desc->reference.opcode));
return_ACPI_STATUS (AE_AML_INTERNAL);
ACPI_REPORT_ERROR(("Unknown Reference opcode in get_reference %X\n", obj_desc->reference.opcode));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
break;
case ACPI_DESC_TYPE_NAMED:
/*
@@ -119,34 +110,32 @@ acpi_ex_get_object_reference (
referenced_obj = obj_desc;
break;
default:
ACPI_REPORT_ERROR (("Invalid descriptor type in get_reference: %X\n",
ACPI_GET_DESCRIPTOR_TYPE (obj_desc)));
return_ACPI_STATUS (AE_TYPE);
ACPI_REPORT_ERROR(("Invalid descriptor type in get_reference: %X\n", ACPI_GET_DESCRIPTOR_TYPE(obj_desc)));
return_ACPI_STATUS(AE_TYPE);
}
/* Create a new reference object */
reference_obj = acpi_ut_create_internal_object (ACPI_TYPE_LOCAL_REFERENCE);
reference_obj =
acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE);
if (!reference_obj) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
reference_obj->reference.opcode = AML_REF_OF_OP;
reference_obj->reference.object = referenced_obj;
*return_desc = reference_obj;
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"Object %p Type [%s], returning Reference %p\n",
obj_desc, acpi_ut_get_object_type_name (obj_desc), *return_desc));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Object %p Type [%s], returning Reference %p\n",
obj_desc, acpi_ut_get_object_type_name(obj_desc),
*return_desc));
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_concat_template
@@ -163,63 +152,58 @@ acpi_ex_get_object_reference (
******************************************************************************/
acpi_status
acpi_ex_concat_template (
union acpi_operand_object *operand0,
union acpi_operand_object *operand1,
union acpi_operand_object **actual_return_desc,
struct acpi_walk_state *walk_state)
acpi_ex_concat_template(union acpi_operand_object *operand0,
union acpi_operand_object *operand1,
union acpi_operand_object **actual_return_desc,
struct acpi_walk_state *walk_state)
{
union acpi_operand_object *return_desc;
u8 *new_buf;
u8 *end_tag1;
u8 *end_tag2;
acpi_size length1;
acpi_size length2;
ACPI_FUNCTION_TRACE ("ex_concat_template");
union acpi_operand_object *return_desc;
u8 *new_buf;
u8 *end_tag1;
u8 *end_tag2;
acpi_size length1;
acpi_size length2;
ACPI_FUNCTION_TRACE("ex_concat_template");
/* Find the end_tags in each resource template */
end_tag1 = acpi_ut_get_resource_end_tag (operand0);
end_tag2 = acpi_ut_get_resource_end_tag (operand1);
end_tag1 = acpi_ut_get_resource_end_tag(operand0);
end_tag2 = acpi_ut_get_resource_end_tag(operand1);
if (!end_tag1 || !end_tag2) {
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/* Compute the length of each part */
length1 = ACPI_PTR_DIFF (end_tag1, operand0->buffer.pointer);
length2 = ACPI_PTR_DIFF (end_tag2, operand1->buffer.pointer) +
2; /* Size of END_TAG */
length1 = ACPI_PTR_DIFF(end_tag1, operand0->buffer.pointer);
length2 = ACPI_PTR_DIFF(end_tag2, operand1->buffer.pointer) + 2; /* Size of END_TAG */
/* Create a new buffer object for the result */
return_desc = acpi_ut_create_buffer_object (length1 + length2);
return_desc = acpi_ut_create_buffer_object(length1 + length2);
if (!return_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Copy the templates to the new descriptor */
new_buf = return_desc->buffer.pointer;
ACPI_MEMCPY (new_buf, operand0->buffer.pointer, length1);
ACPI_MEMCPY (new_buf + length1, operand1->buffer.pointer, length2);
ACPI_MEMCPY(new_buf, operand0->buffer.pointer, length1);
ACPI_MEMCPY(new_buf + length1, operand1->buffer.pointer, length2);
/* Compute the new checksum */
new_buf[return_desc->buffer.length - 1] =
acpi_ut_generate_checksum (return_desc->buffer.pointer,
(return_desc->buffer.length - 1));
acpi_ut_generate_checksum(return_desc->buffer.pointer,
(return_desc->buffer.length - 1));
/* Return the completed template descriptor */
*actual_return_desc = return_desc;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_do_concatenate
@@ -236,21 +220,18 @@ acpi_ex_concat_template (
******************************************************************************/
acpi_status
acpi_ex_do_concatenate (
union acpi_operand_object *operand0,
union acpi_operand_object *operand1,
union acpi_operand_object **actual_return_desc,
struct acpi_walk_state *walk_state)
acpi_ex_do_concatenate(union acpi_operand_object *operand0,
union acpi_operand_object *operand1,
union acpi_operand_object **actual_return_desc,
struct acpi_walk_state *walk_state)
{
union acpi_operand_object *local_operand1 = operand1;
union acpi_operand_object *return_desc;
char *new_buf;
acpi_status status;
acpi_size new_length;
ACPI_FUNCTION_TRACE ("ex_do_concatenate");
union acpi_operand_object *local_operand1 = operand1;
union acpi_operand_object *return_desc;
char *new_buf;
acpi_status status;
acpi_size new_length;
ACPI_FUNCTION_TRACE("ex_do_concatenate");
/*
* Convert the second operand if necessary. The first operand
@@ -259,27 +240,28 @@ acpi_ex_do_concatenate (
* guaranteed to be either Integer/String/Buffer by the operand
* resolution mechanism.
*/
switch (ACPI_GET_OBJECT_TYPE (operand0)) {
switch (ACPI_GET_OBJECT_TYPE(operand0)) {
case ACPI_TYPE_INTEGER:
status = acpi_ex_convert_to_integer (operand1, &local_operand1, 16);
status =
acpi_ex_convert_to_integer(operand1, &local_operand1, 16);
break;
case ACPI_TYPE_STRING:
status = acpi_ex_convert_to_string (operand1, &local_operand1,
ACPI_IMPLICIT_CONVERT_HEX);
status = acpi_ex_convert_to_string(operand1, &local_operand1,
ACPI_IMPLICIT_CONVERT_HEX);
break;
case ACPI_TYPE_BUFFER:
status = acpi_ex_convert_to_buffer (operand1, &local_operand1);
status = acpi_ex_convert_to_buffer(operand1, &local_operand1);
break;
default:
ACPI_REPORT_ERROR (("Concat - invalid obj type: %X\n",
ACPI_GET_OBJECT_TYPE (operand0)));
ACPI_REPORT_ERROR(("Concat - invalid obj type: %X\n",
ACPI_GET_OBJECT_TYPE(operand0)));
status = AE_AML_INTERNAL;
}
if (ACPI_FAILURE (status)) {
if (ACPI_FAILURE(status)) {
goto cleanup;
}
@@ -296,32 +278,33 @@ acpi_ex_do_concatenate (
* 2) Two Strings concatenated to produce a new String
* 3) Two Buffers concatenated to produce a new Buffer
*/
switch (ACPI_GET_OBJECT_TYPE (operand0)) {
switch (ACPI_GET_OBJECT_TYPE(operand0)) {
case ACPI_TYPE_INTEGER:
/* Result of two Integers is a Buffer */
/* Need enough buffer space for two integers */
return_desc = acpi_ut_create_buffer_object ((acpi_size)
ACPI_MUL_2 (acpi_gbl_integer_byte_width));
return_desc = acpi_ut_create_buffer_object((acpi_size)
ACPI_MUL_2
(acpi_gbl_integer_byte_width));
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
new_buf = (char *) return_desc->buffer.pointer;
new_buf = (char *)return_desc->buffer.pointer;
/* Copy the first integer, LSB first */
ACPI_MEMCPY (new_buf,
&operand0->integer.value,
acpi_gbl_integer_byte_width);
ACPI_MEMCPY(new_buf,
&operand0->integer.value,
acpi_gbl_integer_byte_width);
/* Copy the second integer (LSB first) after the first */
ACPI_MEMCPY (new_buf + acpi_gbl_integer_byte_width,
&local_operand1->integer.value,
acpi_gbl_integer_byte_width);
ACPI_MEMCPY(new_buf + acpi_gbl_integer_byte_width,
&local_operand1->integer.value,
acpi_gbl_integer_byte_width);
break;
case ACPI_TYPE_STRING:
@@ -329,13 +312,13 @@ acpi_ex_do_concatenate (
/* Result of two Strings is a String */
new_length = (acpi_size) operand0->string.length +
(acpi_size) local_operand1->string.length;
(acpi_size) local_operand1->string.length;
if (new_length > ACPI_MAX_STRING_CONVERSION) {
status = AE_AML_STRING_LIMIT;
goto cleanup;
}
return_desc = acpi_ut_create_string_object (new_length);
return_desc = acpi_ut_create_string_object(new_length);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -345,56 +328,56 @@ acpi_ex_do_concatenate (
/* Concatenate the strings */
ACPI_STRCPY (new_buf,
operand0->string.pointer);
ACPI_STRCPY (new_buf + operand0->string.length,
local_operand1->string.pointer);
ACPI_STRCPY(new_buf, operand0->string.pointer);
ACPI_STRCPY(new_buf + operand0->string.length,
local_operand1->string.pointer);
break;
case ACPI_TYPE_BUFFER:
/* Result of two Buffers is a Buffer */
return_desc = acpi_ut_create_buffer_object (
(acpi_size) operand0->buffer.length +
(acpi_size) local_operand1->buffer.length);
return_desc = acpi_ut_create_buffer_object((acpi_size)
operand0->buffer.
length +
(acpi_size)
local_operand1->
buffer.length);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
new_buf = (char *) return_desc->buffer.pointer;
new_buf = (char *)return_desc->buffer.pointer;
/* Concatenate the buffers */
ACPI_MEMCPY (new_buf,
operand0->buffer.pointer,
operand0->buffer.length);
ACPI_MEMCPY (new_buf + operand0->buffer.length,
local_operand1->buffer.pointer,
local_operand1->buffer.length);
ACPI_MEMCPY(new_buf,
operand0->buffer.pointer, operand0->buffer.length);
ACPI_MEMCPY(new_buf + operand0->buffer.length,
local_operand1->buffer.pointer,
local_operand1->buffer.length);
break;
default:
/* Invalid object type, should not happen here */
ACPI_REPORT_ERROR (("Concatenate - Invalid object type: %X\n",
ACPI_GET_OBJECT_TYPE (operand0)));
status =AE_AML_INTERNAL;
ACPI_REPORT_ERROR(("Concatenate - Invalid object type: %X\n",
ACPI_GET_OBJECT_TYPE(operand0)));
status = AE_AML_INTERNAL;
goto cleanup;
}
*actual_return_desc = return_desc;
cleanup:
cleanup:
if (local_operand1 != operand1) {
acpi_ut_remove_reference (local_operand1);
acpi_ut_remove_reference(local_operand1);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_do_math_op
@@ -412,62 +395,49 @@ cleanup:
******************************************************************************/
acpi_integer
acpi_ex_do_math_op (
u16 opcode,
acpi_integer integer0,
acpi_integer integer1)
acpi_ex_do_math_op(u16 opcode, acpi_integer integer0, acpi_integer integer1)
{
ACPI_FUNCTION_ENTRY ();
ACPI_FUNCTION_ENTRY();
switch (opcode) {
case AML_ADD_OP: /* Add (Integer0, Integer1, Result) */
case AML_ADD_OP: /* Add (Integer0, Integer1, Result) */
return (integer0 + integer1);
case AML_BIT_AND_OP: /* And (Integer0, Integer1, Result) */
case AML_BIT_AND_OP: /* And (Integer0, Integer1, Result) */
return (integer0 & integer1);
case AML_BIT_NAND_OP: /* NAnd (Integer0, Integer1, Result) */
case AML_BIT_NAND_OP: /* NAnd (Integer0, Integer1, Result) */
return (~(integer0 & integer1));
case AML_BIT_OR_OP: /* Or (Integer0, Integer1, Result) */
case AML_BIT_OR_OP: /* Or (Integer0, Integer1, Result) */
return (integer0 | integer1);
case AML_BIT_NOR_OP: /* NOr (Integer0, Integer1, Result) */
case AML_BIT_NOR_OP: /* NOr (Integer0, Integer1, Result) */
return (~(integer0 | integer1));
case AML_BIT_XOR_OP: /* XOr (Integer0, Integer1, Result) */
case AML_BIT_XOR_OP: /* XOr (Integer0, Integer1, Result) */
return (integer0 ^ integer1);
case AML_MULTIPLY_OP: /* Multiply (Integer0, Integer1, Result) */
case AML_MULTIPLY_OP: /* Multiply (Integer0, Integer1, Result) */
return (integer0 * integer1);
case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result)*/
case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result) */
return (integer0 << integer1);
case AML_SHIFT_RIGHT_OP: /* shift_right (Operand, shift_count, Result) */
case AML_SHIFT_RIGHT_OP: /* shift_right (Operand, shift_count, Result) */
return (integer0 >> integer1);
case AML_SUBTRACT_OP: /* Subtract (Integer0, Integer1, Result) */
case AML_SUBTRACT_OP: /* Subtract (Integer0, Integer1, Result) */
return (integer0 - integer1);
@@ -477,7 +447,6 @@ acpi_ex_do_math_op (
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_do_logical_numeric_op
@@ -499,28 +468,24 @@ acpi_ex_do_math_op (
******************************************************************************/
acpi_status
acpi_ex_do_logical_numeric_op (
u16 opcode,
acpi_integer integer0,
acpi_integer integer1,
u8 *logical_result)
acpi_ex_do_logical_numeric_op(u16 opcode,
acpi_integer integer0,
acpi_integer integer1, u8 * logical_result)
{
acpi_status status = AE_OK;
u8 local_result = FALSE;
ACPI_FUNCTION_TRACE ("ex_do_logical_numeric_op");
acpi_status status = AE_OK;
u8 local_result = FALSE;
ACPI_FUNCTION_TRACE("ex_do_logical_numeric_op");
switch (opcode) {
case AML_LAND_OP: /* LAnd (Integer0, Integer1) */
case AML_LAND_OP: /* LAnd (Integer0, Integer1) */
if (integer0 && integer1) {
local_result = TRUE;
}
break;
case AML_LOR_OP: /* LOr (Integer0, Integer1) */
case AML_LOR_OP: /* LOr (Integer0, Integer1) */
if (integer0 || integer1) {
local_result = TRUE;
@@ -535,10 +500,9 @@ acpi_ex_do_logical_numeric_op (
/* Return the logical result and status */
*logical_result = local_result;
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_do_logical_op
@@ -566,24 +530,20 @@ acpi_ex_do_logical_numeric_op (
******************************************************************************/
acpi_status
acpi_ex_do_logical_op (
u16 opcode,
union acpi_operand_object *operand0,
union acpi_operand_object *operand1,
u8 *logical_result)
acpi_ex_do_logical_op(u16 opcode,
union acpi_operand_object *operand0,
union acpi_operand_object *operand1, u8 * logical_result)
{
union acpi_operand_object *local_operand1 = operand1;
acpi_integer integer0;
acpi_integer integer1;
u32 length0;
u32 length1;
acpi_status status = AE_OK;
u8 local_result = FALSE;
int compare;
ACPI_FUNCTION_TRACE ("ex_do_logical_op");
union acpi_operand_object *local_operand1 = operand1;
acpi_integer integer0;
acpi_integer integer1;
u32 length0;
u32 length1;
acpi_status status = AE_OK;
u8 local_result = FALSE;
int compare;
ACPI_FUNCTION_TRACE("ex_do_logical_op");
/*
* Convert the second operand if necessary. The first operand
@@ -592,18 +552,19 @@ acpi_ex_do_logical_op (
* guaranteed to be either Integer/String/Buffer by the operand
* resolution mechanism.
*/
switch (ACPI_GET_OBJECT_TYPE (operand0)) {
switch (ACPI_GET_OBJECT_TYPE(operand0)) {
case ACPI_TYPE_INTEGER:
status = acpi_ex_convert_to_integer (operand1, &local_operand1, 16);
status =
acpi_ex_convert_to_integer(operand1, &local_operand1, 16);
break;
case ACPI_TYPE_STRING:
status = acpi_ex_convert_to_string (operand1, &local_operand1,
ACPI_IMPLICIT_CONVERT_HEX);
status = acpi_ex_convert_to_string(operand1, &local_operand1,
ACPI_IMPLICIT_CONVERT_HEX);
break;
case ACPI_TYPE_BUFFER:
status = acpi_ex_convert_to_buffer (operand1, &local_operand1);
status = acpi_ex_convert_to_buffer(operand1, &local_operand1);
break;
default:
@@ -611,14 +572,14 @@ acpi_ex_do_logical_op (
break;
}
if (ACPI_FAILURE (status)) {
if (ACPI_FAILURE(status)) {
goto cleanup;
}
/*
* Two cases: 1) Both Integers, 2) Both Strings or Buffers
*/
if (ACPI_GET_OBJECT_TYPE (operand0) == ACPI_TYPE_INTEGER) {
if (ACPI_GET_OBJECT_TYPE(operand0) == ACPI_TYPE_INTEGER) {
/*
* 1) Both operands are of type integer
* Note: local_operand1 may have changed above
@@ -627,21 +588,21 @@ acpi_ex_do_logical_op (
integer1 = local_operand1->integer.value;
switch (opcode) {
case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */
case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */
if (integer0 == integer1) {
local_result = TRUE;
}
break;
case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */
case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */
if (integer0 > integer1) {
local_result = TRUE;
}
break;
case AML_LLESS_OP: /* LLess (Operand0, Operand1) */
case AML_LLESS_OP: /* LLess (Operand0, Operand1) */
if (integer0 < integer1) {
local_result = TRUE;
@@ -652,8 +613,7 @@ acpi_ex_do_logical_op (
status = AE_AML_INTERNAL;
break;
}
}
else {
} else {
/*
* 2) Both operands are Strings or both are Buffers
* Note: Code below takes advantage of common Buffer/String
@@ -665,31 +625,31 @@ acpi_ex_do_logical_op (
/* Lexicographic compare: compare the data bytes */
compare = ACPI_MEMCMP ((const char * ) operand0->buffer.pointer,
(const char * ) local_operand1->buffer.pointer,
(length0 > length1) ? length1 : length0);
compare = ACPI_MEMCMP((const char *)operand0->buffer.pointer,
(const char *)local_operand1->buffer.
pointer,
(length0 > length1) ? length1 : length0);
switch (opcode) {
case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */
case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */
/* Length and all bytes must be equal */
if ((length0 == length1) &&
(compare == 0)) {
if ((length0 == length1) && (compare == 0)) {
/* Length and all bytes match ==> TRUE */
local_result = TRUE;
}
break;
case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */
case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */
if (compare > 0) {
local_result = TRUE;
goto cleanup; /* TRUE */
goto cleanup; /* TRUE */
}
if (compare < 0) {
goto cleanup; /* FALSE */
goto cleanup; /* FALSE */
}
/* Bytes match (to shortest length), compare lengths */
@@ -699,14 +659,14 @@ acpi_ex_do_logical_op (
}
break;
case AML_LLESS_OP: /* LLess (Operand0, Operand1) */
case AML_LLESS_OP: /* LLess (Operand0, Operand1) */
if (compare > 0) {
goto cleanup; /* FALSE */
goto cleanup; /* FALSE */
}
if (compare < 0) {
local_result = TRUE;
goto cleanup; /* TRUE */
goto cleanup; /* TRUE */
}
/* Bytes match (to shortest length), compare lengths */
@@ -722,18 +682,16 @@ acpi_ex_do_logical_op (
}
}
cleanup:
cleanup:
/* New object was created if implicit conversion performed - delete */
if (local_operand1 != operand1) {
acpi_ut_remove_reference (local_operand1);
acpi_ut_remove_reference(local_operand1);
}
/* Return the logical result and status */
*logical_result = local_result;
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}

160
drivers/acpi/executer/exmutex.c
查看文件

@@ -42,20 +42,16 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exmutex")
ACPI_MODULE_NAME("exmutex")
/* Local prototypes */
static void
acpi_ex_link_mutex (
union acpi_operand_object *obj_desc,
struct acpi_thread_state *thread);
acpi_ex_link_mutex(union acpi_operand_object *obj_desc,
struct acpi_thread_state *thread);
/*******************************************************************************
*
@@ -69,12 +65,9 @@ acpi_ex_link_mutex (
*
******************************************************************************/
void
acpi_ex_unlink_mutex (
union acpi_operand_object *obj_desc)
void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc)
{
struct acpi_thread_state *thread = obj_desc->mutex.owner_thread;
struct acpi_thread_state *thread = obj_desc->mutex.owner_thread;
if (!thread) {
return;
@@ -88,13 +81,11 @@ acpi_ex_unlink_mutex (
if (obj_desc->mutex.prev) {
(obj_desc->mutex.prev)->mutex.next = obj_desc->mutex.next;
}
else {
} else {
thread->acquired_mutex_list = obj_desc->mutex.next;
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_link_mutex
@@ -109,12 +100,10 @@ acpi_ex_unlink_mutex (
******************************************************************************/
static void
acpi_ex_link_mutex (
union acpi_operand_object *obj_desc,
struct acpi_thread_state *thread)
acpi_ex_link_mutex(union acpi_operand_object *obj_desc,
struct acpi_thread_state *thread)
{
union acpi_operand_object *list_head;
union acpi_operand_object *list_head;
list_head = thread->acquired_mutex_list;
@@ -134,7 +123,6 @@ acpi_ex_link_mutex (
thread->acquired_mutex_list = obj_desc;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_acquire_mutex
@@ -150,27 +138,23 @@ acpi_ex_link_mutex (
******************************************************************************/
acpi_status
acpi_ex_acquire_mutex (
union acpi_operand_object *time_desc,
union acpi_operand_object *obj_desc,
struct acpi_walk_state *walk_state)
acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
union acpi_operand_object *obj_desc,
struct acpi_walk_state *walk_state)
{
acpi_status status;
ACPI_FUNCTION_TRACE_PTR ("ex_acquire_mutex", obj_desc);
acpi_status status;
ACPI_FUNCTION_TRACE_PTR("ex_acquire_mutex", obj_desc);
if (!obj_desc) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Sanity check -- we must have a valid thread ID */
if (!walk_state->thread) {
ACPI_REPORT_ERROR (("Cannot acquire Mutex [%4.4s], null thread info\n",
acpi_ut_get_node_name (obj_desc->mutex.node)));
return_ACPI_STATUS (AE_AML_INTERNAL);
ACPI_REPORT_ERROR(("Cannot acquire Mutex [%4.4s], null thread info\n", acpi_ut_get_node_name(obj_desc->mutex.node)));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
/*
@@ -178,10 +162,8 @@ acpi_ex_acquire_mutex (
* mutex. This mechanism provides some deadlock prevention
*/
if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) {
ACPI_REPORT_ERROR ((
"Cannot acquire Mutex [%4.4s], incorrect sync_level\n",
acpi_ut_get_node_name (obj_desc->mutex.node)));
return_ACPI_STATUS (AE_AML_MUTEX_ORDER);
ACPI_REPORT_ERROR(("Cannot acquire Mutex [%4.4s], incorrect sync_level\n", acpi_ut_get_node_name(obj_desc->mutex.node)));
return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
}
/* Support for multiple acquires by the owning thread */
@@ -190,43 +172,43 @@ acpi_ex_acquire_mutex (
/* Special case for Global Lock, allow all threads */
if ((obj_desc->mutex.owner_thread->thread_id ==
walk_state->thread->thread_id) ||
(obj_desc->mutex.semaphore ==
acpi_gbl_global_lock_semaphore)) {
walk_state->thread->thread_id) ||
(obj_desc->mutex.semaphore ==
acpi_gbl_global_lock_semaphore)) {
/*
* The mutex is already owned by this thread,
* just increment the acquisition depth
*/
obj_desc->mutex.acquisition_depth++;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
}
/* Acquire the mutex, wait if necessary */
status = acpi_ex_system_acquire_mutex (time_desc, obj_desc);
if (ACPI_FAILURE (status)) {
status = acpi_ex_system_acquire_mutex(time_desc, obj_desc);
if (ACPI_FAILURE(status)) {
/* Includes failure from a timeout on time_desc */
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/* Have the mutex: update mutex and walk info and save the sync_level */
obj_desc->mutex.owner_thread = walk_state->thread;
obj_desc->mutex.owner_thread = walk_state->thread;
obj_desc->mutex.acquisition_depth = 1;
obj_desc->mutex.original_sync_level = walk_state->thread->current_sync_level;
obj_desc->mutex.original_sync_level =
walk_state->thread->current_sync_level;
walk_state->thread->current_sync_level = obj_desc->mutex.sync_level;
/* Link the mutex to the current thread for force-unlock at method exit */
acpi_ex_link_mutex (obj_desc, walk_state->thread);
acpi_ex_link_mutex(obj_desc, walk_state->thread);
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_release_mutex
@@ -241,48 +223,40 @@ acpi_ex_acquire_mutex (
******************************************************************************/
acpi_status
acpi_ex_release_mutex (
union acpi_operand_object *obj_desc,
struct acpi_walk_state *walk_state)
acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
struct acpi_walk_state *walk_state)
{
acpi_status status;
ACPI_FUNCTION_TRACE ("ex_release_mutex");
acpi_status status;
ACPI_FUNCTION_TRACE("ex_release_mutex");
if (!obj_desc) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* The mutex must have been previously acquired in order to release it */
if (!obj_desc->mutex.owner_thread) {
ACPI_REPORT_ERROR (("Cannot release Mutex [%4.4s], not acquired\n",
acpi_ut_get_node_name (obj_desc->mutex.node)));
return_ACPI_STATUS (AE_AML_MUTEX_NOT_ACQUIRED);
ACPI_REPORT_ERROR(("Cannot release Mutex [%4.4s], not acquired\n", acpi_ut_get_node_name(obj_desc->mutex.node)));
return_ACPI_STATUS(AE_AML_MUTEX_NOT_ACQUIRED);
}
/* Sanity check -- we must have a valid thread ID */
if (!walk_state->thread) {
ACPI_REPORT_ERROR (("Cannot release Mutex [%4.4s], null thread info\n",
acpi_ut_get_node_name (obj_desc->mutex.node)));
return_ACPI_STATUS (AE_AML_INTERNAL);
ACPI_REPORT_ERROR(("Cannot release Mutex [%4.4s], null thread info\n", acpi_ut_get_node_name(obj_desc->mutex.node)));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
/*
* The Mutex is owned, but this thread must be the owner.
* Special case for Global Lock, any thread can release
*/
if ((obj_desc->mutex.owner_thread->thread_id != walk_state->thread->thread_id) &&
(obj_desc->mutex.semaphore != acpi_gbl_global_lock_semaphore)) {
ACPI_REPORT_ERROR ((
"Thread %X cannot release Mutex [%4.4s] acquired by thread %X\n",
walk_state->thread->thread_id,
acpi_ut_get_node_name (obj_desc->mutex.node),
obj_desc->mutex.owner_thread->thread_id));
return_ACPI_STATUS (AE_AML_NOT_OWNER);
if ((obj_desc->mutex.owner_thread->thread_id !=
walk_state->thread->thread_id)
&& (obj_desc->mutex.semaphore != acpi_gbl_global_lock_semaphore)) {
ACPI_REPORT_ERROR(("Thread %X cannot release Mutex [%4.4s] acquired by thread %X\n", walk_state->thread->thread_id, acpi_ut_get_node_name(obj_desc->mutex.node), obj_desc->mutex.owner_thread->thread_id));
return_ACPI_STATUS(AE_AML_NOT_OWNER);
}
/*
@@ -290,10 +264,8 @@ acpi_ex_release_mutex (
* equal to the current sync level
*/
if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) {
ACPI_REPORT_ERROR ((
"Cannot release Mutex [%4.4s], incorrect sync_level\n",
acpi_ut_get_node_name (obj_desc->mutex.node)));
return_ACPI_STATUS (AE_AML_MUTEX_ORDER);
ACPI_REPORT_ERROR(("Cannot release Mutex [%4.4s], incorrect sync_level\n", acpi_ut_get_node_name(obj_desc->mutex.node)));
return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
}
/* Match multiple Acquires with multiple Releases */
@@ -302,26 +274,26 @@ acpi_ex_release_mutex (
if (obj_desc->mutex.acquisition_depth != 0) {
/* Just decrement the depth and return */
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
/* Unlink the mutex from the owner's list */
acpi_ex_unlink_mutex (obj_desc);
acpi_ex_unlink_mutex(obj_desc);
/* Release the mutex */
status = acpi_ex_system_release_mutex (obj_desc);
status = acpi_ex_system_release_mutex(obj_desc);
/* Update the mutex and walk state, restore sync_level before acquire */
obj_desc->mutex.owner_thread = NULL;
walk_state->thread->current_sync_level = obj_desc->mutex.original_sync_level;
walk_state->thread->current_sync_level =
obj_desc->mutex.original_sync_level;
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_release_all_mutexes
@@ -334,17 +306,13 @@ acpi_ex_release_mutex (
*
******************************************************************************/
void
acpi_ex_release_all_mutexes (
struct acpi_thread_state *thread)
void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread)
{
union acpi_operand_object *next = thread->acquired_mutex_list;
union acpi_operand_object *this;
acpi_status status;
ACPI_FUNCTION_ENTRY ();
union acpi_operand_object *next = thread->acquired_mutex_list;
union acpi_operand_object *this;
acpi_status status;
ACPI_FUNCTION_ENTRY();
/* Traverse the list of owned mutexes, releasing each one */
@@ -353,13 +321,13 @@ acpi_ex_release_all_mutexes (
next = this->mutex.next;
this->mutex.acquisition_depth = 1;
this->mutex.prev = NULL;
this->mutex.next = NULL;
this->mutex.prev = NULL;
this->mutex.next = NULL;
/* Release the mutex */
/* Release the mutex */
status = acpi_ex_system_release_mutex (this);
if (ACPI_FAILURE (status)) {
status = acpi_ex_system_release_mutex(this);
if (ACPI_FAILURE(status)) {
continue;
}
@@ -372,5 +340,3 @@ acpi_ex_release_all_mutexes (
thread->current_sync_level = this->mutex.original_sync_level;
}
}

231
drivers/acpi/executer/exnames.c
查看文件

@@ -42,26 +42,18 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/amlcode.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exnames")
ACPI_MODULE_NAME("exnames")
/* Local prototypes */
static char *
acpi_ex_allocate_name_string (
u32 prefix_count,
u32 num_name_segs);
static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs);
static acpi_status
acpi_ex_name_segment (
u8 **in_aml_address,
char *name_string);
acpi_ex_name_segment(u8 ** in_aml_address, char *name_string);
/*******************************************************************************
*
@@ -79,17 +71,13 @@ acpi_ex_name_segment (
*
******************************************************************************/
static char *
acpi_ex_allocate_name_string (
u32 prefix_count,
u32 num_name_segs)
static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
{
char *temp_ptr;
char *name_string;
u32 size_needed;
ACPI_FUNCTION_TRACE ("ex_allocate_name_string");
char *temp_ptr;
char *name_string;
u32 size_needed;
ACPI_FUNCTION_TRACE("ex_allocate_name_string");
/*
* Allow room for all \ and ^ prefixes, all segments and a multi_name_prefix.
@@ -100,20 +88,19 @@ acpi_ex_allocate_name_string (
/* Special case for root */
size_needed = 1 + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1;
}
else {
size_needed = prefix_count + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1;
} else {
size_needed =
prefix_count + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1;
}
/*
* Allocate a buffer for the name.
* This buffer must be deleted by the caller!
*/
name_string = ACPI_MEM_ALLOCATE (size_needed);
name_string = ACPI_MEM_ALLOCATE(size_needed);
if (!name_string) {
ACPI_REPORT_ERROR ((
"ex_allocate_name_string: Could not allocate size %d\n", size_needed));
return_PTR (NULL);
ACPI_REPORT_ERROR(("ex_allocate_name_string: Could not allocate size %d\n", size_needed));
return_PTR(NULL);
}
temp_ptr = name_string;
@@ -122,23 +109,20 @@ acpi_ex_allocate_name_string (
if (prefix_count == ACPI_UINT32_MAX) {
*temp_ptr++ = AML_ROOT_PREFIX;
}
else {
} else {
while (prefix_count--) {
*temp_ptr++ = AML_PARENT_PREFIX;
}
}
/* Set up Dual or Multi prefixes if needed */
if (num_name_segs > 2) {
/* Set up multi prefixes */
*temp_ptr++ = AML_MULTI_NAME_PREFIX_OP;
*temp_ptr++ = (char) num_name_segs;
}
else if (2 == num_name_segs) {
*temp_ptr++ = (char)num_name_segs;
} else if (2 == num_name_segs) {
/* Set up dual prefixes */
*temp_ptr++ = AML_DUAL_NAME_PREFIX;
@@ -150,7 +134,7 @@ acpi_ex_allocate_name_string (
*/
*temp_ptr = 0;
return_PTR (name_string);
return_PTR(name_string);
}
/*******************************************************************************
@@ -167,19 +151,14 @@ acpi_ex_allocate_name_string (
*
******************************************************************************/
static acpi_status
acpi_ex_name_segment (
u8 **in_aml_address,
char *name_string)
static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
{
char *aml_address = (void *) *in_aml_address;
acpi_status status = AE_OK;
u32 index;
char char_buf[5];
ACPI_FUNCTION_TRACE ("ex_name_segment");
char *aml_address = (void *)*in_aml_address;
acpi_status status = AE_OK;
u32 index;
char char_buf[5];
ACPI_FUNCTION_TRACE("ex_name_segment");
/*
* If first character is a digit, then we know that we aren't looking at a
@@ -188,20 +167,20 @@ acpi_ex_name_segment (
char_buf[0] = *aml_address;
if ('0' <= char_buf[0] && char_buf[0] <= '9') {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "leading digit: %c\n", char_buf[0]));
return_ACPI_STATUS (AE_CTRL_PENDING);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "leading digit: %c\n",
char_buf[0]));
return_ACPI_STATUS(AE_CTRL_PENDING);
}
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Bytes from stream:\n"));
ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Bytes from stream:\n"));
for (index = 0;
(index < ACPI_NAME_SIZE) && (acpi_ut_valid_acpi_character (*aml_address));
index++) {
(index < ACPI_NAME_SIZE)
&& (acpi_ut_valid_acpi_character(*aml_address)); index++) {
char_buf[index] = *aml_address++;
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "%c\n", char_buf[index]));
ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index]));
}
/* Valid name segment */
if (index == 4) {
@@ -210,41 +189,37 @@ acpi_ex_name_segment (
char_buf[4] = '\0';
if (name_string) {
ACPI_STRCAT (name_string, char_buf);
ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
"Appended to - %s \n", name_string));
ACPI_STRCAT(name_string, char_buf);
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Appended to - %s \n", name_string));
} else {
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"No Name string - %s \n", char_buf));
}
else {
ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
"No Name string - %s \n", char_buf));
}
}
else if (index == 0) {
} else if (index == 0) {
/*
* First character was not a valid name character,
* so we are looking at something other than a name.
*/
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"Leading character is not alpha: %02Xh (not a name)\n",
char_buf[0]));
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Leading character is not alpha: %02Xh (not a name)\n",
char_buf[0]));
status = AE_CTRL_PENDING;
}
else {
} else {
/*
* Segment started with one or more valid characters, but fewer than
* the required 4
*/
status = AE_AML_BAD_NAME;
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Bad character %02x in name, at %p\n",
*aml_address, aml_address));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Bad character %02x in name, at %p\n",
*aml_address, aml_address));
}
*in_aml_address = (u8 *) aml_address;
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_get_name_string
@@ -263,37 +238,32 @@ acpi_ex_name_segment (
******************************************************************************/
acpi_status
acpi_ex_get_name_string (
acpi_object_type data_type,
u8 *in_aml_address,
char **out_name_string,
u32 *out_name_length)
acpi_ex_get_name_string(acpi_object_type data_type,
u8 * in_aml_address,
char **out_name_string, u32 * out_name_length)
{
acpi_status status = AE_OK;
u8 *aml_address = in_aml_address;
char *name_string = NULL;
u32 num_segments;
u32 prefix_count = 0;
u8 has_prefix = FALSE;
acpi_status status = AE_OK;
u8 *aml_address = in_aml_address;
char *name_string = NULL;
u32 num_segments;
u32 prefix_count = 0;
u8 has_prefix = FALSE;
ACPI_FUNCTION_TRACE_PTR("ex_get_name_string", aml_address);
ACPI_FUNCTION_TRACE_PTR ("ex_get_name_string", aml_address);
if (ACPI_TYPE_LOCAL_REGION_FIELD == data_type ||
ACPI_TYPE_LOCAL_BANK_FIELD == data_type ||
ACPI_TYPE_LOCAL_INDEX_FIELD == data_type) {
if (ACPI_TYPE_LOCAL_REGION_FIELD == data_type ||
ACPI_TYPE_LOCAL_BANK_FIELD == data_type ||
ACPI_TYPE_LOCAL_INDEX_FIELD == data_type) {
/* Disallow prefixes for types associated with field_unit names */
name_string = acpi_ex_allocate_name_string (0, 1);
name_string = acpi_ex_allocate_name_string(0, 1);
if (!name_string) {
status = AE_NO_MEMORY;
} else {
status =
acpi_ex_name_segment(&aml_address, name_string);
}
else {
status = acpi_ex_name_segment (&aml_address, name_string);
}
}
else {
} else {
/*
* data_type is not a field name.
* Examine first character of name for root or parent prefix operators
@@ -301,8 +271,9 @@ acpi_ex_get_name_string (
switch (*aml_address) {
case AML_ROOT_PREFIX:
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "root_prefix(\\) at %p\n",
aml_address));
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"root_prefix(\\) at %p\n",
aml_address));
/*
* Remember that we have a root_prefix --
@@ -313,14 +284,14 @@ acpi_ex_get_name_string (
has_prefix = TRUE;
break;
case AML_PARENT_PREFIX:
/* Increment past possibly multiple parent prefixes */
do {
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "parent_prefix (^) at %p\n",
aml_address));
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"parent_prefix (^) at %p\n",
aml_address));
aml_address++;
prefix_count++;
@@ -330,7 +301,6 @@ acpi_ex_get_name_string (
has_prefix = TRUE;
break;
default:
/* Not a prefix character */
@@ -343,11 +313,13 @@ acpi_ex_get_name_string (
switch (*aml_address) {
case AML_DUAL_NAME_PREFIX:
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "dual_name_prefix at %p\n",
aml_address));
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"dual_name_prefix at %p\n",
aml_address));
aml_address++;
name_string = acpi_ex_allocate_name_string (prefix_count, 2);
name_string =
acpi_ex_allocate_name_string(prefix_count, 2);
if (!name_string) {
status = AE_NO_MEMORY;
break;
@@ -357,24 +329,29 @@ acpi_ex_get_name_string (
has_prefix = TRUE;
status = acpi_ex_name_segment (&aml_address, name_string);
if (ACPI_SUCCESS (status)) {
status = acpi_ex_name_segment (&aml_address, name_string);
status =
acpi_ex_name_segment(&aml_address, name_string);
if (ACPI_SUCCESS(status)) {
status =
acpi_ex_name_segment(&aml_address,
name_string);
}
break;
case AML_MULTI_NAME_PREFIX_OP:
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "multi_name_prefix at %p\n",
aml_address));
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"multi_name_prefix at %p\n",
aml_address));
/* Fetch count of segments remaining in name path */
aml_address++;
num_segments = *aml_address;
name_string = acpi_ex_allocate_name_string (prefix_count, num_segments);
name_string =
acpi_ex_allocate_name_string(prefix_count,
num_segments);
if (!name_string) {
status = AE_NO_MEMORY;
break;
@@ -386,27 +363,28 @@ acpi_ex_get_name_string (
has_prefix = TRUE;
while (num_segments &&
(status = acpi_ex_name_segment (&aml_address, name_string)) ==
AE_OK) {
(status =
acpi_ex_name_segment(&aml_address,
name_string)) == AE_OK) {
num_segments--;
}
break;
case 0:
/* null_name valid as of 8-12-98 ASL/AML Grammar Update */
if (prefix_count == ACPI_UINT32_MAX) {
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"name_seg is \"\\\" followed by NULL\n"));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"name_seg is \"\\\" followed by NULL\n"));
}
/* Consume the NULL byte */
aml_address++;
name_string = acpi_ex_allocate_name_string (prefix_count, 0);
name_string =
acpi_ex_allocate_name_string(prefix_count, 0);
if (!name_string) {
status = AE_NO_MEMORY;
break;
@@ -414,18 +392,19 @@ acpi_ex_get_name_string (
break;
default:
/* Name segment string */
name_string = acpi_ex_allocate_name_string (prefix_count, 1);
name_string =
acpi_ex_allocate_name_string(prefix_count, 1);
if (!name_string) {
status = AE_NO_MEMORY;
break;
}
status = acpi_ex_name_segment (&aml_address, name_string);
status =
acpi_ex_name_segment(&aml_address, name_string);
break;
}
}
@@ -433,22 +412,20 @@ acpi_ex_get_name_string (
if (AE_CTRL_PENDING == status && has_prefix) {
/* Ran out of segments after processing a prefix */
ACPI_REPORT_ERROR (
("ex_do_name: Malformed Name at %p\n", name_string));
ACPI_REPORT_ERROR(("ex_do_name: Malformed Name at %p\n",
name_string));
status = AE_AML_BAD_NAME;
}
if (ACPI_FAILURE (status)) {
if (ACPI_FAILURE(status)) {
if (name_string) {
ACPI_MEM_FREE (name_string);
ACPI_MEM_FREE(name_string);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
*out_name_string = name_string;
*out_name_length = (u32) (aml_address - in_aml_address);
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}

553
drivers/acpi/executer/exoparg1.c
查看文件

文件差异内容过多而无法显示 加载差异

317
drivers/acpi/executer/exoparg2.c
查看文件

@@ -41,17 +41,14 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acparser.h>
#include <acpi/acinterp.h>
#include <acpi/acevents.h>
#include <acpi/amlcode.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exoparg2")
ACPI_MODULE_NAME("exoparg2")
/*!
* Naming convention for AML interpreter execution routines.
@@ -74,8 +71,6 @@
* The AcpiExOpcode* functions are called via the Dispatcher component with
* fully resolved operands.
!*/
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_2A_0T_0R
@@ -90,29 +85,24 @@
* ALLOCATION: Deletes both operands
*
******************************************************************************/
acpi_status
acpi_ex_opcode_2A_0T_0R (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state)
{
union acpi_operand_object **operand = &walk_state->operands[0];
struct acpi_namespace_node *node;
u32 value;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE_STR ("ex_opcode_2A_0T_0R",
acpi_ps_get_opcode_name (walk_state->opcode));
union acpi_operand_object **operand = &walk_state->operands[0];
struct acpi_namespace_node *node;
u32 value;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_0T_0R",
acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the opcode */
switch (walk_state->opcode) {
case AML_NOTIFY_OP: /* Notify (notify_object, notify_value) */
case AML_NOTIFY_OP: /* Notify (notify_object, notify_value) */
/* The first operand is a namespace node */
node = (struct acpi_namespace_node *) operand[0];
node = (struct acpi_namespace_node *)operand[0];
/* Second value is the notify value */
@@ -120,15 +110,14 @@ acpi_ex_opcode_2A_0T_0R (
/* Are notifies allowed on this object? */
if (!acpi_ev_is_notify_object (node)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Unexpected notify object type [%s]\n",
acpi_ut_get_type_name (node->type)));
if (!acpi_ev_is_notify_object(node)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unexpected notify object type [%s]\n",
acpi_ut_get_type_name(node->type)));
status = AE_AML_OPERAND_TYPE;
break;
}
#ifdef ACPI_GPE_NOTIFY_CHECK
/*
* GPE method wake/notify check. Here, we want to ensure that we
@@ -144,12 +133,14 @@ acpi_ex_opcode_2A_0T_0R (
* If all three cases are true, this is a wake-only GPE that should
* be disabled at runtime.
*/
if (value == 2) /* device_wake */ {
status = acpi_ev_check_for_wake_only_gpe (walk_state->gpe_event_info);
if (ACPI_FAILURE (status)) {
if (value == 2) { /* device_wake */
status =
acpi_ev_check_for_wake_only_gpe(walk_state->
gpe_event_info);
if (ACPI_FAILURE(status)) {
/* AE_WAKE_ONLY_GPE only error, means ignore this notify */
return_ACPI_STATUS (AE_OK)
return_ACPI_STATUS(AE_OK)
}
}
#endif
@@ -161,21 +152,18 @@ acpi_ex_opcode_2A_0T_0R (
* from this thread -- because handlers may in turn run other
* control methods.
*/
status = acpi_ev_queue_notify_request (node, value);
status = acpi_ev_queue_notify_request(node, value);
break;
default:
ACPI_REPORT_ERROR (("acpi_ex_opcode_2A_0T_0R: Unknown opcode %X\n",
walk_state->opcode));
ACPI_REPORT_ERROR(("acpi_ex_opcode_2A_0T_0R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_2A_2T_1R
@@ -189,19 +177,15 @@ acpi_ex_opcode_2A_0T_0R (
*
******************************************************************************/
acpi_status
acpi_ex_opcode_2A_2T_1R (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state)
{
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *return_desc1 = NULL;
union acpi_operand_object *return_desc2 = NULL;
acpi_status status;
ACPI_FUNCTION_TRACE_STR ("ex_opcode_2A_2T_1R",
acpi_ps_get_opcode_name (walk_state->opcode));
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *return_desc1 = NULL;
union acpi_operand_object *return_desc2 = NULL;
acpi_status status;
ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_2T_1R",
acpi_ps_get_opcode_name(walk_state->opcode));
/* Execute the opcode */
@@ -210,13 +194,15 @@ acpi_ex_opcode_2A_2T_1R (
/* Divide (Dividend, Divisor, remainder_result quotient_result) */
return_desc1 = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
return_desc1 =
acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc1) {
status = AE_NO_MEMORY;
goto cleanup;
}
return_desc2 = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
return_desc2 =
acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc2) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -224,33 +210,31 @@ acpi_ex_opcode_2A_2T_1R (
/* Quotient to return_desc1, remainder to return_desc2 */
status = acpi_ut_divide (operand[0]->integer.value,
operand[1]->integer.value,
&return_desc1->integer.value,
&return_desc2->integer.value);
if (ACPI_FAILURE (status)) {
status = acpi_ut_divide(operand[0]->integer.value,
operand[1]->integer.value,
&return_desc1->integer.value,
&return_desc2->integer.value);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
break;
default:
ACPI_REPORT_ERROR (("acpi_ex_opcode_2A_2T_1R: Unknown opcode %X\n",
walk_state->opcode));
ACPI_REPORT_ERROR(("acpi_ex_opcode_2A_2T_1R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
/* Store the results to the target reference operands */
status = acpi_ex_store (return_desc2, operand[2], walk_state);
if (ACPI_FAILURE (status)) {
status = acpi_ex_store(return_desc2, operand[2], walk_state);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
status = acpi_ex_store (return_desc1, operand[3], walk_state);
if (ACPI_FAILURE (status)) {
status = acpi_ex_store(return_desc1, operand[3], walk_state);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
@@ -258,24 +242,22 @@ acpi_ex_opcode_2A_2T_1R (
walk_state->result_obj = return_desc1;
cleanup:
cleanup:
/*
* Since the remainder is not returned indirectly, remove a reference to
* it. Only the quotient is returned indirectly.
*/
acpi_ut_remove_reference (return_desc2);
acpi_ut_remove_reference(return_desc2);
if (ACPI_FAILURE (status)) {
if (ACPI_FAILURE(status)) {
/* Delete the return object */
acpi_ut_remove_reference (return_desc1);
acpi_ut_remove_reference(return_desc1);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_2A_1T_1R
@@ -289,42 +271,39 @@ cleanup:
*
******************************************************************************/
acpi_status
acpi_ex_opcode_2A_1T_1R (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
{
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *return_desc = NULL;
acpi_integer index;
acpi_status status = AE_OK;
acpi_size length;
ACPI_FUNCTION_TRACE_STR ("ex_opcode_2A_1T_1R",
acpi_ps_get_opcode_name (walk_state->opcode));
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *return_desc = NULL;
acpi_integer index;
acpi_status status = AE_OK;
acpi_size length;
ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_1T_1R",
acpi_ps_get_opcode_name(walk_state->opcode));
/* Execute the opcode */
if (walk_state->op_info->flags & AML_MATH) {
/* All simple math opcodes (add, etc.) */
return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
return_desc->integer.value = acpi_ex_do_math_op (walk_state->opcode,
operand[0]->integer.value,
operand[1]->integer.value);
return_desc->integer.value =
acpi_ex_do_math_op(walk_state->opcode,
operand[0]->integer.value,
operand[1]->integer.value);
goto store_result_to_target;
}
switch (walk_state->opcode) {
case AML_MOD_OP: /* Mod (Dividend, Divisor, remainder_result (ACPI 2.0) */
case AML_MOD_OP: /* Mod (Dividend, Divisor, remainder_result (ACPI 2.0) */
return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -332,21 +311,18 @@ acpi_ex_opcode_2A_1T_1R (
/* return_desc will contain the remainder */
status = acpi_ut_divide (operand[0]->integer.value,
operand[1]->integer.value,
NULL,
&return_desc->integer.value);
status = acpi_ut_divide(operand[0]->integer.value,
operand[1]->integer.value,
NULL, &return_desc->integer.value);
break;
case AML_CONCAT_OP: /* Concatenate (Data1, Data2, Result) */
case AML_CONCAT_OP: /* Concatenate (Data1, Data2, Result) */
status = acpi_ex_do_concatenate (operand[0], operand[1],
&return_desc, walk_state);
status = acpi_ex_do_concatenate(operand[0], operand[1],
&return_desc, walk_state);
break;
case AML_TO_STRING_OP: /* to_string (Buffer, Length, Result) (ACPI 2.0) */
case AML_TO_STRING_OP: /* to_string (Buffer, Length, Result) (ACPI 2.0) */
/*
* Input object is guaranteed to be a buffer at this point (it may have
@@ -365,8 +341,8 @@ acpi_ex_opcode_2A_1T_1R (
*/
length = 0;
while ((length < operand[0]->buffer.length) &&
(length < operand[1]->integer.value) &&
(operand[0]->buffer.pointer[length])) {
(length < operand[1]->integer.value) &&
(operand[0]->buffer.pointer[length])) {
length++;
if (length > ACPI_MAX_STRING_CONVERSION) {
status = AE_AML_STRING_LIMIT;
@@ -376,33 +352,32 @@ acpi_ex_opcode_2A_1T_1R (
/* Allocate a new string object */
return_desc = acpi_ut_create_string_object (length);
return_desc = acpi_ut_create_string_object(length);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
/* Copy the raw buffer data with no transform. NULL terminated already*/
/* Copy the raw buffer data with no transform. NULL terminated already */
ACPI_MEMCPY (return_desc->string.pointer,
operand[0]->buffer.pointer, length);
ACPI_MEMCPY(return_desc->string.pointer,
operand[0]->buffer.pointer, length);
break;
case AML_CONCAT_RES_OP:
/* concatenate_res_template (Buffer, Buffer, Result) (ACPI 2.0) */
status = acpi_ex_concat_template (operand[0], operand[1],
&return_desc, walk_state);
status = acpi_ex_concat_template(operand[0], operand[1],
&return_desc, walk_state);
break;
case AML_INDEX_OP: /* Index (Source Index Result) */
case AML_INDEX_OP: /* Index (Source Index Result) */
/* Create the internal return object */
return_desc = acpi_ut_create_internal_object (ACPI_TYPE_LOCAL_REFERENCE);
return_desc =
acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -412,76 +387,75 @@ acpi_ex_opcode_2A_1T_1R (
/* At this point, the Source operand is a Package, Buffer, or String */
if (ACPI_GET_OBJECT_TYPE (operand[0]) == ACPI_TYPE_PACKAGE) {
if (ACPI_GET_OBJECT_TYPE(operand[0]) == ACPI_TYPE_PACKAGE) {
/* Object to be indexed is a Package */
if (index >= operand[0]->package.count) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Index value (%X%8.8X) beyond package end (%X)\n",
ACPI_FORMAT_UINT64 (index), operand[0]->package.count));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Index value (%X%8.8X) beyond package end (%X)\n",
ACPI_FORMAT_UINT64(index),
operand[0]->package.count));
status = AE_AML_PACKAGE_LIMIT;
goto cleanup;
}
return_desc->reference.target_type = ACPI_TYPE_PACKAGE;
return_desc->reference.object = operand[0];
return_desc->reference.where = &operand[0]->package.elements [
index];
}
else {
return_desc->reference.object = operand[0];
return_desc->reference.where =
&operand[0]->package.elements[index];
} else {
/* Object to be indexed is a Buffer/String */
if (index >= operand[0]->buffer.length) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Index value (%X%8.8X) beyond end of buffer (%X)\n",
ACPI_FORMAT_UINT64 (index), operand[0]->buffer.length));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Index value (%X%8.8X) beyond end of buffer (%X)\n",
ACPI_FORMAT_UINT64(index),
operand[0]->buffer.length));
status = AE_AML_BUFFER_LIMIT;
goto cleanup;
}
return_desc->reference.target_type = ACPI_TYPE_BUFFER_FIELD;
return_desc->reference.object = operand[0];
return_desc->reference.target_type =
ACPI_TYPE_BUFFER_FIELD;
return_desc->reference.object = operand[0];
}
/*
* Add a reference to the target package/buffer/string for the life
* of the index.
*/
acpi_ut_add_reference (operand[0]);
acpi_ut_add_reference(operand[0]);
/* Complete the Index reference object */
return_desc->reference.opcode = AML_INDEX_OP;
return_desc->reference.offset = (u32) index;
return_desc->reference.opcode = AML_INDEX_OP;
return_desc->reference.offset = (u32) index;
/* Store the reference to the Target */
status = acpi_ex_store (return_desc, operand[2], walk_state);
status = acpi_ex_store(return_desc, operand[2], walk_state);
/* Return the reference */
walk_state->result_obj = return_desc;
goto cleanup;
default:
ACPI_REPORT_ERROR (("acpi_ex_opcode_2A_1T_1R: Unknown opcode %X\n",
walk_state->opcode));
ACPI_REPORT_ERROR(("acpi_ex_opcode_2A_1T_1R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
break;
}
store_result_to_target:
store_result_to_target:
if (ACPI_SUCCESS (status)) {
if (ACPI_SUCCESS(status)) {
/*
* Store the result of the operation (which is now in return_desc) into
* the Target descriptor.
*/
status = acpi_ex_store (return_desc, operand[2], walk_state);
if (ACPI_FAILURE (status)) {
status = acpi_ex_store(return_desc, operand[2], walk_state);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
@@ -490,19 +464,17 @@ store_result_to_target:
}
}
cleanup:
cleanup:
/* Delete return object on error */
if (ACPI_FAILURE (status)) {
acpi_ut_remove_reference (return_desc);
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference(return_desc);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_2A_0T_1R
@@ -515,23 +487,19 @@ cleanup:
*
******************************************************************************/
acpi_status
acpi_ex_opcode_2A_0T_1R (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state)
{
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *return_desc = NULL;
acpi_status status = AE_OK;
u8 logical_result = FALSE;
ACPI_FUNCTION_TRACE_STR ("ex_opcode_2A_0T_1R",
acpi_ps_get_opcode_name (walk_state->opcode));
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *return_desc = NULL;
acpi_status status = AE_OK;
u8 logical_result = FALSE;
ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_0T_1R",
acpi_ps_get_opcode_name(walk_state->opcode));
/* Create the internal return object */
return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -542,50 +510,48 @@ acpi_ex_opcode_2A_0T_1R (
if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) {
/* logical_op (Operand0, Operand1) */
status = acpi_ex_do_logical_numeric_op (walk_state->opcode,
operand[0]->integer.value, operand[1]->integer.value,
&logical_result);
status = acpi_ex_do_logical_numeric_op(walk_state->opcode,
operand[0]->integer.
value,
operand[1]->integer.
value, &logical_result);
goto store_logical_result;
}
else if (walk_state->op_info->flags & AML_LOGICAL) {
} else if (walk_state->op_info->flags & AML_LOGICAL) {
/* logical_op (Operand0, Operand1) */
status = acpi_ex_do_logical_op (walk_state->opcode, operand[0],
operand[1], &logical_result);
status = acpi_ex_do_logical_op(walk_state->opcode, operand[0],
operand[1], &logical_result);
goto store_logical_result;
}
switch (walk_state->opcode) {
case AML_ACQUIRE_OP: /* Acquire (mutex_object, Timeout) */
case AML_ACQUIRE_OP: /* Acquire (mutex_object, Timeout) */
status = acpi_ex_acquire_mutex (operand[1], operand[0], walk_state);
status =
acpi_ex_acquire_mutex(operand[1], operand[0], walk_state);
if (status == AE_TIME) {
logical_result = TRUE; /* TRUE = Acquire timed out */
logical_result = TRUE; /* TRUE = Acquire timed out */
status = AE_OK;
}
break;
case AML_WAIT_OP: /* Wait (event_object, Timeout) */
case AML_WAIT_OP: /* Wait (event_object, Timeout) */
status = acpi_ex_system_wait_event (operand[1], operand[0]);
status = acpi_ex_system_wait_event(operand[1], operand[0]);
if (status == AE_TIME) {
logical_result = TRUE; /* TRUE, Wait timed out */
logical_result = TRUE; /* TRUE, Wait timed out */
status = AE_OK;
}
break;
default:
ACPI_REPORT_ERROR (("acpi_ex_opcode_2A_0T_1R: Unknown opcode %X\n",
walk_state->opcode));
ACPI_REPORT_ERROR(("acpi_ex_opcode_2A_0T_1R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
store_logical_result:
store_logical_result:
/*
* Set return value to according to logical_result. logical TRUE (all ones)
* Default is FALSE (zero)
@@ -596,16 +562,13 @@ store_logical_result:
walk_state->result_obj = return_desc;
cleanup:
cleanup:
/* Delete return object on error */
if (ACPI_FAILURE (status)) {
acpi_ut_remove_reference (return_desc);
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference(return_desc);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}

116
drivers/acpi/executer/exoparg3.c
查看文件

@@ -42,16 +42,13 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/acparser.h>
#include <acpi/amlcode.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exoparg3")
ACPI_MODULE_NAME("exoparg3")
/*!
* Naming convention for AML interpreter execution routines.
@@ -74,8 +71,6 @@
* The AcpiExOpcode* functions are called via the Dispatcher component with
* fully resolved operands.
!*/
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_3A_0T_0R
@@ -87,61 +82,53 @@
* DESCRIPTION: Execute Triadic operator (3 operands)
*
******************************************************************************/
acpi_status
acpi_ex_opcode_3A_0T_0R (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state)
{
union acpi_operand_object **operand = &walk_state->operands[0];
struct acpi_signal_fatal_info *fatal;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_0T_0R",
acpi_ps_get_opcode_name (walk_state->opcode));
union acpi_operand_object **operand = &walk_state->operands[0];
struct acpi_signal_fatal_info *fatal;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE_STR("ex_opcode_3A_0T_0R",
acpi_ps_get_opcode_name(walk_state->opcode));
switch (walk_state->opcode) {
case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */
case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"fatal_op: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
(u32) operand[0]->integer.value,
(u32) operand[1]->integer.value,
(u32) operand[2]->integer.value));
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"fatal_op: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
(u32) operand[0]->integer.value,
(u32) operand[1]->integer.value,
(u32) operand[2]->integer.value));
fatal = ACPI_MEM_ALLOCATE (sizeof (struct acpi_signal_fatal_info));
fatal =
ACPI_MEM_ALLOCATE(sizeof(struct acpi_signal_fatal_info));
if (fatal) {
fatal->type = (u32) operand[0]->integer.value;
fatal->code = (u32) operand[1]->integer.value;
fatal->type = (u32) operand[0]->integer.value;
fatal->code = (u32) operand[1]->integer.value;
fatal->argument = (u32) operand[2]->integer.value;
}
/* Always signal the OS! */
status = acpi_os_signal (ACPI_SIGNAL_FATAL, fatal);
status = acpi_os_signal(ACPI_SIGNAL_FATAL, fatal);
/* Might return while OS is shutting down, just continue */
ACPI_MEM_FREE (fatal);
ACPI_MEM_FREE(fatal);
break;
default:
ACPI_REPORT_ERROR (("acpi_ex_opcode_3A_0T_0R: Unknown opcode %X\n",
walk_state->opcode));
ACPI_REPORT_ERROR(("acpi_ex_opcode_3A_0T_0R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
cleanup:
cleanup:
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_3A_1T_1R
@@ -154,31 +141,28 @@ cleanup:
*
******************************************************************************/
acpi_status
acpi_ex_opcode_3A_1T_1R (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
{
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *return_desc = NULL;
char *buffer = NULL;
acpi_status status = AE_OK;
acpi_integer index;
acpi_size length;
ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_1T_1R",
acpi_ps_get_opcode_name (walk_state->opcode));
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *return_desc = NULL;
char *buffer = NULL;
acpi_status status = AE_OK;
acpi_integer index;
acpi_size length;
ACPI_FUNCTION_TRACE_STR("ex_opcode_3A_1T_1R",
acpi_ps_get_opcode_name(walk_state->opcode));
switch (walk_state->opcode) {
case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */
case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */
/*
* Create the return object. The Source operand is guaranteed to be
* either a String or a Buffer, so just use its type.
*/
return_desc = acpi_ut_create_internal_object (
ACPI_GET_OBJECT_TYPE (operand[0]));
return_desc =
acpi_ut_create_internal_object(ACPI_GET_OBJECT_TYPE
(operand[0]));
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -201,17 +185,17 @@ acpi_ex_opcode_3A_1T_1R (
else if ((index + length) > operand[0]->string.length) {
length = (acpi_size) operand[0]->string.length -
(acpi_size) index;
(acpi_size) index;
}
/* Strings always have a sub-pointer, not so for buffers */
switch (ACPI_GET_OBJECT_TYPE (operand[0])) {
switch (ACPI_GET_OBJECT_TYPE(operand[0])) {
case ACPI_TYPE_STRING:
/* Always allocate a new buffer for the String */
buffer = ACPI_MEM_CALLOCATE ((acpi_size) length + 1);
buffer = ACPI_MEM_CALLOCATE((acpi_size) length + 1);
if (!buffer) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -225,7 +209,7 @@ acpi_ex_opcode_3A_1T_1R (
if (length > 0) {
/* Allocate a new buffer for the Buffer */
buffer = ACPI_MEM_CALLOCATE (length);
buffer = ACPI_MEM_CALLOCATE(length);
if (!buffer) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -233,7 +217,7 @@ acpi_ex_opcode_3A_1T_1R (
}
break;
default: /* Should not happen */
default: /* Should not happen */
status = AE_AML_OPERAND_TYPE;
goto cleanup;
@@ -242,8 +226,8 @@ acpi_ex_opcode_3A_1T_1R (
if (length > 0) {
/* Copy the portion requested */
ACPI_MEMCPY (buffer, operand[0]->string.pointer + index,
length);
ACPI_MEMCPY(buffer, operand[0]->string.pointer + index,
length);
}
/* Set the length of the new String/Buffer */
@@ -256,25 +240,23 @@ acpi_ex_opcode_3A_1T_1R (
return_desc->buffer.flags |= AOPOBJ_DATA_VALID;
break;
default:
ACPI_REPORT_ERROR (("acpi_ex_opcode_3A_0T_0R: Unknown opcode %X\n",
walk_state->opcode));
ACPI_REPORT_ERROR(("acpi_ex_opcode_3A_0T_0R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
/* Store the result in the target */
status = acpi_ex_store (return_desc, operand[3], walk_state);
status = acpi_ex_store(return_desc, operand[3], walk_state);
cleanup:
cleanup:
/* Delete return object on error */
if (ACPI_FAILURE (status) || walk_state->result_obj) {
acpi_ut_remove_reference (return_desc);
if (ACPI_FAILURE(status) || walk_state->result_obj) {
acpi_ut_remove_reference(return_desc);
}
/* Set the return object and exit */
@@ -282,7 +264,5 @@ cleanup:
else {
walk_state->result_obj = return_desc;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}

127
drivers/acpi/executer/exoparg6.c
查看文件

@@ -42,16 +42,13 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/acparser.h>
#include <acpi/amlcode.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exoparg6")
ACPI_MODULE_NAME("exoparg6")
/*!
* Naming convention for AML interpreter execution routines.
@@ -74,15 +71,11 @@
* The AcpiExOpcode* functions are called via the Dispatcher component with
* fully resolved operands.
!*/
/* Local prototypes */
static u8
acpi_ex_do_match (
u32 match_op,
union acpi_operand_object *package_obj,
union acpi_operand_object *match_obj);
acpi_ex_do_match(u32 match_op,
union acpi_operand_object *package_obj,
union acpi_operand_object *match_obj);
/*******************************************************************************
*
@@ -101,14 +94,12 @@ acpi_ex_do_match (
******************************************************************************/
static u8
acpi_ex_do_match (
u32 match_op,
union acpi_operand_object *package_obj,
union acpi_operand_object *match_obj)
acpi_ex_do_match(u32 match_op,
union acpi_operand_object *package_obj,
union acpi_operand_object *match_obj)
{
u8 logical_result = TRUE;
acpi_status status;
u8 logical_result = TRUE;
acpi_status status;
/*
* Note: Since the package_obj/match_obj ordering is opposite to that of
@@ -133,9 +124,10 @@ acpi_ex_do_match (
* True if equal: (P[i] == M)
* Change to: (M == P[i])
*/
status = acpi_ex_do_logical_op (AML_LEQUAL_OP, match_obj, package_obj,
&logical_result);
if (ACPI_FAILURE (status)) {
status =
acpi_ex_do_logical_op(AML_LEQUAL_OP, match_obj, package_obj,
&logical_result);
if (ACPI_FAILURE(status)) {
return (FALSE);
}
break;
@@ -146,12 +138,13 @@ acpi_ex_do_match (
* True if less than or equal: (P[i] <= M) (P[i] not_greater than M)
* Change to: (M >= P[i]) (M not_less than P[i])
*/
status = acpi_ex_do_logical_op (AML_LLESS_OP, match_obj, package_obj,
&logical_result);
if (ACPI_FAILURE (status)) {
status =
acpi_ex_do_logical_op(AML_LLESS_OP, match_obj, package_obj,
&logical_result);
if (ACPI_FAILURE(status)) {
return (FALSE);
}
logical_result = (u8) !logical_result;
logical_result = (u8) ! logical_result;
break;
case MATCH_MLT:
@@ -160,9 +153,10 @@ acpi_ex_do_match (
* True if less than: (P[i] < M)
* Change to: (M > P[i])
*/
status = acpi_ex_do_logical_op (AML_LGREATER_OP, match_obj, package_obj,
&logical_result);
if (ACPI_FAILURE (status)) {
status =
acpi_ex_do_logical_op(AML_LGREATER_OP, match_obj,
package_obj, &logical_result);
if (ACPI_FAILURE(status)) {
return (FALSE);
}
break;
@@ -173,12 +167,13 @@ acpi_ex_do_match (
* True if greater than or equal: (P[i] >= M) (P[i] not_less than M)
* Change to: (M <= P[i]) (M not_greater than P[i])
*/
status = acpi_ex_do_logical_op (AML_LGREATER_OP, match_obj, package_obj,
&logical_result);
if (ACPI_FAILURE (status)) {
status =
acpi_ex_do_logical_op(AML_LGREATER_OP, match_obj,
package_obj, &logical_result);
if (ACPI_FAILURE(status)) {
return (FALSE);
}
logical_result = (u8)!logical_result;
logical_result = (u8) ! logical_result;
break;
case MATCH_MGT:
@@ -187,9 +182,10 @@ acpi_ex_do_match (
* True if greater than: (P[i] > M)
* Change to: (M < P[i])
*/
status = acpi_ex_do_logical_op (AML_LLESS_OP, match_obj, package_obj,
&logical_result);
if (ACPI_FAILURE (status)) {
status =
acpi_ex_do_logical_op(AML_LLESS_OP, match_obj, package_obj,
&logical_result);
if (ACPI_FAILURE(status)) {
return (FALSE);
}
break;
@@ -204,7 +200,6 @@ acpi_ex_do_match (
return logical_result;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_6A_0T_1R
@@ -217,20 +212,16 @@ acpi_ex_do_match (
*
******************************************************************************/
acpi_status
acpi_ex_opcode_6A_0T_1R (
struct acpi_walk_state *walk_state)
acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
{
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *return_desc = NULL;
acpi_status status = AE_OK;
acpi_integer index;
union acpi_operand_object *this_element;
ACPI_FUNCTION_TRACE_STR ("ex_opcode_6A_0T_1R",
acpi_ps_get_opcode_name (walk_state->opcode));
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *return_desc = NULL;
acpi_status status = AE_OK;
acpi_integer index;
union acpi_operand_object *this_element;
ACPI_FUNCTION_TRACE_STR("ex_opcode_6A_0T_1R",
acpi_ps_get_opcode_name(walk_state->opcode));
switch (walk_state->opcode) {
case AML_MATCH_OP:
@@ -242,8 +233,9 @@ acpi_ex_opcode_6A_0T_1R (
/* Validate both Match Term Operators (MTR, MEQ, etc.) */
if ((operand[1]->integer.value > MAX_MATCH_OPERATOR) ||
(operand[3]->integer.value > MAX_MATCH_OPERATOR)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Match operator out of range\n"));
(operand[3]->integer.value > MAX_MATCH_OPERATOR)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Match operator out of range\n"));
status = AE_AML_OPERAND_VALUE;
goto cleanup;
}
@@ -252,16 +244,17 @@ acpi_ex_opcode_6A_0T_1R (
index = operand[5]->integer.value;
if (index >= operand[0]->package.count) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Index (%X%8.8X) beyond package end (%X)\n",
ACPI_FORMAT_UINT64 (index), operand[0]->package.count));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Index (%X%8.8X) beyond package end (%X)\n",
ACPI_FORMAT_UINT64(index),
operand[0]->package.count));
status = AE_AML_PACKAGE_LIMIT;
goto cleanup;
}
/* Create an integer for the return value */
return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -283,7 +276,7 @@ acpi_ex_opcode_6A_0T_1R (
* ACPI_INTEGER_MAX (Ones) (its initial value) indicating that no
* match was found.
*/
for ( ; index < operand[0]->package.count; index++) {
for (; index < operand[0]->package.count; index++) {
/* Get the current package element */
this_element = operand[0]->package.elements[index];
@@ -299,13 +292,13 @@ acpi_ex_opcode_6A_0T_1R (
* (proceed to next iteration of enclosing for loop) signifies a
* non-match.
*/
if (!acpi_ex_do_match ((u32) operand[1]->integer.value,
this_element, operand[2])) {
if (!acpi_ex_do_match((u32) operand[1]->integer.value,
this_element, operand[2])) {
continue;
}
if (!acpi_ex_do_match ((u32) operand[3]->integer.value,
this_element, operand[4])) {
if (!acpi_ex_do_match((u32) operand[3]->integer.value,
this_element, operand[4])) {
continue;
}
@@ -316,31 +309,27 @@ acpi_ex_opcode_6A_0T_1R (
}
break;
case AML_LOAD_TABLE_OP:
status = acpi_ex_load_table_op (walk_state, &return_desc);
status = acpi_ex_load_table_op(walk_state, &return_desc);
break;
default:
ACPI_REPORT_ERROR (("acpi_ex_opcode_6A_0T_1R: Unknown opcode %X\n",
walk_state->opcode));
ACPI_REPORT_ERROR(("acpi_ex_opcode_6A_0T_1R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
walk_state->result_obj = return_desc;
cleanup:
cleanup:
/* Delete return object on error */
if (ACPI_FAILURE (status)) {
acpi_ut_remove_reference (return_desc);
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference(return_desc);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}

375
drivers/acpi/executer/exprep.c
查看文件

@@ -42,32 +42,24 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/amlcode.h>
#include <acpi/acnamesp.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exprep")
ACPI_MODULE_NAME("exprep")
/* Local prototypes */
static u32
acpi_ex_decode_field_access (
union acpi_operand_object *obj_desc,
u8 field_flags,
u32 *return_byte_alignment);
acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
u8 field_flags, u32 * return_byte_alignment);
#ifdef ACPI_UNDER_DEVELOPMENT
static u32
acpi_ex_generate_access (
u32 field_bit_offset,
u32 field_bit_length,
u32 region_length);
acpi_ex_generate_access(u32 field_bit_offset,
u32 field_bit_length, u32 region_length);
/*******************************************************************************
*
@@ -92,39 +84,36 @@ acpi_ex_generate_access (
******************************************************************************/
static u32
acpi_ex_generate_access (
u32 field_bit_offset,
u32 field_bit_length,
u32 region_length)
acpi_ex_generate_access(u32 field_bit_offset,
u32 field_bit_length, u32 region_length)
{
u32 field_byte_length;
u32 field_byte_offset;
u32 field_byte_end_offset;
u32 access_byte_width;
u32 field_start_offset;
u32 field_end_offset;
u32 minimum_access_width = 0xFFFFFFFF;
u32 minimum_accesses = 0xFFFFFFFF;
u32 accesses;
ACPI_FUNCTION_TRACE ("ex_generate_access");
u32 field_byte_length;
u32 field_byte_offset;
u32 field_byte_end_offset;
u32 access_byte_width;
u32 field_start_offset;
u32 field_end_offset;
u32 minimum_access_width = 0xFFFFFFFF;
u32 minimum_accesses = 0xFFFFFFFF;
u32 accesses;
ACPI_FUNCTION_TRACE("ex_generate_access");
/* Round Field start offset and length to "minimal" byte boundaries */
field_byte_offset = ACPI_DIV_8 (ACPI_ROUND_DOWN (field_bit_offset, 8));
field_byte_end_offset = ACPI_DIV_8 (ACPI_ROUND_UP (field_bit_length +
field_bit_offset, 8));
field_byte_length = field_byte_end_offset - field_byte_offset;
field_byte_offset = ACPI_DIV_8(ACPI_ROUND_DOWN(field_bit_offset, 8));
field_byte_end_offset = ACPI_DIV_8(ACPI_ROUND_UP(field_bit_length +
field_bit_offset, 8));
field_byte_length = field_byte_end_offset - field_byte_offset;
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"Bit length %d, Bit offset %d\n",
field_bit_length, field_bit_offset));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"Bit length %d, Bit offset %d\n",
field_bit_length, field_bit_offset));
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"Byte Length %d, Byte Offset %d, End Offset %d\n",
field_byte_length, field_byte_offset, field_byte_end_offset));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"Byte Length %d, Byte Offset %d, End Offset %d\n",
field_byte_length, field_byte_offset,
field_byte_end_offset));
/*
* Iterative search for the maximum access width that is both aligned
@@ -132,7 +121,8 @@ acpi_ex_generate_access (
*
* Start at byte_acc and work upwards to qword_acc max. (1,2,4,8 bytes)
*/
for (access_byte_width = 1; access_byte_width <= 8; access_byte_width <<= 1) {
for (access_byte_width = 1; access_byte_width <= 8;
access_byte_width <<= 1) {
/*
* 1) Round end offset up to next access boundary and make sure that
* this does not go beyond the end of the parent region.
@@ -140,31 +130,37 @@ acpi_ex_generate_access (
* are done. (This does not optimize for the perfectly aligned
* case yet).
*/
if (ACPI_ROUND_UP (field_byte_end_offset, access_byte_width) <= region_length) {
if (ACPI_ROUND_UP(field_byte_end_offset, access_byte_width) <=
region_length) {
field_start_offset =
ACPI_ROUND_DOWN (field_byte_offset, access_byte_width) /
access_byte_width;
ACPI_ROUND_DOWN(field_byte_offset,
access_byte_width) /
access_byte_width;
field_end_offset =
ACPI_ROUND_UP ((field_byte_length + field_byte_offset),
access_byte_width) / access_byte_width;
ACPI_ROUND_UP((field_byte_length +
field_byte_offset),
access_byte_width) /
access_byte_width;
accesses = field_end_offset - field_start_offset;
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"access_width %d end is within region\n", access_byte_width));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"access_width %d end is within region\n",
access_byte_width));
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"Field Start %d, Field End %d -- requires %d accesses\n",
field_start_offset, field_end_offset, accesses));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"Field Start %d, Field End %d -- requires %d accesses\n",
field_start_offset, field_end_offset,
accesses));
/* Single access is optimal */
if (accesses <= 1) {
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"Entire field can be accessed with one operation of size %d\n",
access_byte_width));
return_VALUE (access_byte_width);
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"Entire field can be accessed with one operation of size %d\n",
access_byte_width));
return_VALUE(access_byte_width);
}
/*
@@ -172,30 +168,30 @@ acpi_ex_generate_access (
* try the next wider access on next iteration
*/
if (accesses < minimum_accesses) {
minimum_accesses = accesses;
minimum_accesses = accesses;
minimum_access_width = access_byte_width;
}
}
else {
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"access_width %d end is NOT within region\n", access_byte_width));
} else {
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"access_width %d end is NOT within region\n",
access_byte_width));
if (access_byte_width == 1) {
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"Field goes beyond end-of-region!\n"));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"Field goes beyond end-of-region!\n"));
/* Field does not fit in the region at all */
return_VALUE (0);
return_VALUE(0);
}
/*
* This width goes beyond the end-of-region, back off to
* previous access
*/
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"Backing off to previous optimal access width of %d\n",
minimum_access_width));
return_VALUE (minimum_access_width);
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"Backing off to previous optimal access width of %d\n",
minimum_access_width));
return_VALUE(minimum_access_width);
}
}
@@ -203,12 +199,11 @@ acpi_ex_generate_access (
* Could not read/write field with one operation,
* just use max access width
*/
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"Cannot access field in one operation, using width 8\n"));
return_VALUE (8);
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"Cannot access field in one operation, using width 8\n"));
return_VALUE(8);
}
#endif /* ACPI_UNDER_DEVELOPMENT */
#endif /* ACPI_UNDER_DEVELOPMENT */
/*******************************************************************************
*
@@ -226,18 +221,14 @@ acpi_ex_generate_access (
******************************************************************************/
static u32
acpi_ex_decode_field_access (
union acpi_operand_object *obj_desc,
u8 field_flags,
u32 *return_byte_alignment)
acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
u8 field_flags, u32 * return_byte_alignment)
{
u32 access;
u32 byte_alignment;
u32 bit_length;
ACPI_FUNCTION_TRACE ("ex_decode_field_access");
u32 access;
u32 byte_alignment;
u32 bit_length;
ACPI_FUNCTION_TRACE("ex_decode_field_access");
access = (field_flags & AML_FIELD_ACCESS_TYPE_MASK);
@@ -246,9 +237,12 @@ acpi_ex_decode_field_access (
#ifdef ACPI_UNDER_DEVELOPMENT
byte_alignment =
acpi_ex_generate_access (obj_desc->common_field.start_field_bit_offset,
obj_desc->common_field.bit_length,
0xFFFFFFFF /* Temp until we pass region_length as parameter */);
acpi_ex_generate_access(obj_desc->common_field.
start_field_bit_offset,
obj_desc->common_field.bit_length,
0xFFFFFFFF
/* Temp until we pass region_length as parameter */
);
bit_length = byte_alignment * 8;
#endif
@@ -257,36 +251,35 @@ acpi_ex_decode_field_access (
break;
case AML_FIELD_ACCESS_BYTE:
case AML_FIELD_ACCESS_BUFFER: /* ACPI 2.0 (SMBus Buffer) */
case AML_FIELD_ACCESS_BUFFER: /* ACPI 2.0 (SMBus Buffer) */
byte_alignment = 1;
bit_length = 8;
bit_length = 8;
break;
case AML_FIELD_ACCESS_WORD:
byte_alignment = 2;
bit_length = 16;
bit_length = 16;
break;
case AML_FIELD_ACCESS_DWORD:
byte_alignment = 4;
bit_length = 32;
bit_length = 32;
break;
case AML_FIELD_ACCESS_QWORD: /* ACPI 2.0 */
case AML_FIELD_ACCESS_QWORD: /* ACPI 2.0 */
byte_alignment = 8;
bit_length = 64;
bit_length = 64;
break;
default:
/* Invalid field access type */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Unknown field access type %X\n",
access));
return_VALUE (0);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unknown field access type %X\n", access));
return_VALUE(0);
}
if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_BUFFER_FIELD) {
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_BUFFER_FIELD) {
/*
* buffer_field access can be on any byte boundary, so the
* byte_alignment is always 1 byte -- regardless of any byte_alignment
@@ -296,10 +289,9 @@ acpi_ex_decode_field_access (
}
*return_byte_alignment = byte_alignment;
return_VALUE (bit_length);
return_VALUE(bit_length);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_prep_common_field_object
@@ -322,20 +314,16 @@ acpi_ex_decode_field_access (
******************************************************************************/
acpi_status
acpi_ex_prep_common_field_object (
union acpi_operand_object *obj_desc,
u8 field_flags,
u8 field_attribute,
u32 field_bit_position,
u32 field_bit_length)
acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
u8 field_flags,
u8 field_attribute,
u32 field_bit_position, u32 field_bit_length)
{
u32 access_bit_width;
u32 byte_alignment;
u32 nearest_byte_address;
ACPI_FUNCTION_TRACE ("ex_prep_common_field_object");
u32 access_bit_width;
u32 byte_alignment;
u32 nearest_byte_address;
ACPI_FUNCTION_TRACE("ex_prep_common_field_object");
/*
* Note: the structure being initialized is the
@@ -361,16 +349,16 @@ acpi_ex_prep_common_field_object (
* For all other access types (Byte, Word, Dword, Qword), the Bitwidth is
* the same (equivalent) as the byte_alignment.
*/
access_bit_width = acpi_ex_decode_field_access (obj_desc, field_flags,
&byte_alignment);
access_bit_width = acpi_ex_decode_field_access(obj_desc, field_flags,
&byte_alignment);
if (!access_bit_width) {
return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
}
/* Setup width (access granularity) fields */
obj_desc->common_field.access_byte_width = (u8)
ACPI_DIV_8 (access_bit_width); /* 1, 2, 4, 8 */
ACPI_DIV_8(access_bit_width); /* 1, 2, 4, 8 */
obj_desc->common_field.access_bit_width = (u8) access_bit_width;
@@ -385,30 +373,30 @@ acpi_ex_prep_common_field_object (
* region or buffer.
*/
nearest_byte_address =
ACPI_ROUND_BITS_DOWN_TO_BYTES (field_bit_position);
ACPI_ROUND_BITS_DOWN_TO_BYTES(field_bit_position);
obj_desc->common_field.base_byte_offset = (u32)
ACPI_ROUND_DOWN (nearest_byte_address, byte_alignment);
ACPI_ROUND_DOWN(nearest_byte_address, byte_alignment);
/*
* start_field_bit_offset is the offset of the first bit of the field within
* a field datum.
*/
obj_desc->common_field.start_field_bit_offset = (u8)
(field_bit_position - ACPI_MUL_8 (obj_desc->common_field.base_byte_offset));
(field_bit_position -
ACPI_MUL_8(obj_desc->common_field.base_byte_offset));
/*
* Does the entire field fit within a single field access element? (datum)
* (i.e., without crossing a datum boundary)
*/
if ((obj_desc->common_field.start_field_bit_offset + field_bit_length) <=
(u16) access_bit_width) {
if ((obj_desc->common_field.start_field_bit_offset +
field_bit_length) <= (u16) access_bit_width) {
obj_desc->common.flags |= AOPOBJ_SINGLE_DATUM;
}
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_prep_field_value
@@ -422,51 +410,49 @@ acpi_ex_prep_common_field_object (
*
******************************************************************************/
acpi_status
acpi_ex_prep_field_value (
struct acpi_create_field_info *info)
acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
{
union acpi_operand_object *obj_desc;
u32 type;
acpi_status status;
ACPI_FUNCTION_TRACE ("ex_prep_field_value");
union acpi_operand_object *obj_desc;
u32 type;
acpi_status status;
ACPI_FUNCTION_TRACE("ex_prep_field_value");
/* Parameter validation */
if (info->field_type != ACPI_TYPE_LOCAL_INDEX_FIELD) {
if (!info->region_node) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null region_node\n"));
return_ACPI_STATUS (AE_AML_NO_OPERAND);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Null region_node\n"));
return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
type = acpi_ns_get_type (info->region_node);
type = acpi_ns_get_type(info->region_node);
if (type != ACPI_TYPE_REGION) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Needed Region, found type %X (%s)\n",
type, acpi_ut_get_type_name (type)));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Needed Region, found type %X (%s)\n",
type, acpi_ut_get_type_name(type)));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
}
/* Allocate a new field object */
obj_desc = acpi_ut_create_internal_object (info->field_type);
obj_desc = acpi_ut_create_internal_object(info->field_type);
if (!obj_desc) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Initialize areas of the object that are common to all fields */
obj_desc->common_field.node = info->field_node;
status = acpi_ex_prep_common_field_object (obj_desc, info->field_flags,
info->attribute, info->field_bit_position, info->field_bit_length);
if (ACPI_FAILURE (status)) {
acpi_ut_delete_object_desc (obj_desc);
return_ACPI_STATUS (status);
status = acpi_ex_prep_common_field_object(obj_desc, info->field_flags,
info->attribute,
info->field_bit_position,
info->field_bit_length);
if (ACPI_FAILURE(status)) {
acpi_ut_delete_object_desc(obj_desc);
return_ACPI_STATUS(status);
}
/* Initialize areas of the object that are specific to the field type */
@@ -474,71 +460,73 @@ acpi_ex_prep_field_value (
switch (info->field_type) {
case ACPI_TYPE_LOCAL_REGION_FIELD:
obj_desc->field.region_obj = acpi_ns_get_attached_object (info->region_node);
obj_desc->field.region_obj =
acpi_ns_get_attached_object(info->region_node);
/* An additional reference for the container */
acpi_ut_add_reference (obj_desc->field.region_obj);
acpi_ut_add_reference(obj_desc->field.region_obj);
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"region_field: bit_off %X, Off %X, Gran %X, Region %p\n",
obj_desc->field.start_field_bit_offset, obj_desc->field.base_byte_offset,
obj_desc->field.access_byte_width, obj_desc->field.region_obj));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"region_field: bit_off %X, Off %X, Gran %X, Region %p\n",
obj_desc->field.start_field_bit_offset,
obj_desc->field.base_byte_offset,
obj_desc->field.access_byte_width,
obj_desc->field.region_obj));
break;
case ACPI_TYPE_LOCAL_BANK_FIELD:
obj_desc->bank_field.value = info->bank_value;
obj_desc->bank_field.region_obj = acpi_ns_get_attached_object (
info->region_node);
obj_desc->bank_field.bank_obj = acpi_ns_get_attached_object (
info->register_node);
obj_desc->bank_field.value = info->bank_value;
obj_desc->bank_field.region_obj =
acpi_ns_get_attached_object(info->region_node);
obj_desc->bank_field.bank_obj =
acpi_ns_get_attached_object(info->register_node);
/* An additional reference for the attached objects */
acpi_ut_add_reference (obj_desc->bank_field.region_obj);
acpi_ut_add_reference (obj_desc->bank_field.bank_obj);
acpi_ut_add_reference(obj_desc->bank_field.region_obj);
acpi_ut_add_reference(obj_desc->bank_field.bank_obj);
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"Bank Field: bit_off %X, Off %X, Gran %X, Region %p, bank_reg %p\n",
obj_desc->bank_field.start_field_bit_offset,
obj_desc->bank_field.base_byte_offset,
obj_desc->field.access_byte_width,
obj_desc->bank_field.region_obj,
obj_desc->bank_field.bank_obj));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"Bank Field: bit_off %X, Off %X, Gran %X, Region %p, bank_reg %p\n",
obj_desc->bank_field.start_field_bit_offset,
obj_desc->bank_field.base_byte_offset,
obj_desc->field.access_byte_width,
obj_desc->bank_field.region_obj,
obj_desc->bank_field.bank_obj));
break;
case ACPI_TYPE_LOCAL_INDEX_FIELD:
obj_desc->index_field.index_obj = acpi_ns_get_attached_object (
info->register_node);
obj_desc->index_field.data_obj = acpi_ns_get_attached_object (
info->data_register_node);
obj_desc->index_field.value = (u32)
(info->field_bit_position / ACPI_MUL_8 (
obj_desc->field.access_byte_width));
obj_desc->index_field.index_obj =
acpi_ns_get_attached_object(info->register_node);
obj_desc->index_field.data_obj =
acpi_ns_get_attached_object(info->data_register_node);
obj_desc->index_field.value = (u32)
(info->field_bit_position /
ACPI_MUL_8(obj_desc->field.access_byte_width));
if (!obj_desc->index_field.data_obj || !obj_desc->index_field.index_obj) {
ACPI_REPORT_ERROR (("Null Index Object during field prep\n"));
acpi_ut_delete_object_desc (obj_desc);
return_ACPI_STATUS (AE_AML_INTERNAL);
if (!obj_desc->index_field.data_obj
|| !obj_desc->index_field.index_obj) {
ACPI_REPORT_ERROR(("Null Index Object during field prep\n"));
acpi_ut_delete_object_desc(obj_desc);
return_ACPI_STATUS(AE_AML_INTERNAL);
}
/* An additional reference for the attached objects */
acpi_ut_add_reference (obj_desc->index_field.data_obj);
acpi_ut_add_reference (obj_desc->index_field.index_obj);
acpi_ut_add_reference(obj_desc->index_field.data_obj);
acpi_ut_add_reference(obj_desc->index_field.index_obj);
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"index_field: bit_off %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n",
obj_desc->index_field.start_field_bit_offset,
obj_desc->index_field.base_byte_offset,
obj_desc->index_field.value,
obj_desc->field.access_byte_width,
obj_desc->index_field.index_obj,
obj_desc->index_field.data_obj));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"index_field: bit_off %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n",
obj_desc->index_field.start_field_bit_offset,
obj_desc->index_field.base_byte_offset,
obj_desc->index_field.value,
obj_desc->field.access_byte_width,
obj_desc->index_field.index_obj,
obj_desc->index_field.data_obj));
break;
default:
@@ -550,15 +538,16 @@ acpi_ex_prep_field_value (
* Store the constructed descriptor (obj_desc) into the parent Node,
* preserving the current type of that named_obj.
*/
status = acpi_ns_attach_object (info->field_node, obj_desc,
acpi_ns_get_type (info->field_node));
status = acpi_ns_attach_object(info->field_node, obj_desc,
acpi_ns_get_type(info->field_node));
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Set named_obj %p [%4.4s], obj_desc %p\n",
info->field_node, acpi_ut_get_node_name (info->field_node), obj_desc));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"Set named_obj %p [%4.4s], obj_desc %p\n",
info->field_node,
acpi_ut_get_node_name(info->field_node), obj_desc));
/* Remove local reference to the object */
acpi_ut_remove_reference (obj_desc);
return_ACPI_STATUS (status);
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}

276
drivers/acpi/executer/exregion.c
查看文件

@@ -42,14 +42,11 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exregion")
ACPI_MODULE_NAME("exregion")
/*******************************************************************************
*
@@ -68,27 +65,23 @@
* DESCRIPTION: Handler for the System Memory address space (Op Region)
*
******************************************************************************/
acpi_status
acpi_ex_system_memory_space_handler (
u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer *value,
void *handler_context,
void *region_context)
acpi_ex_system_memory_space_handler(u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer * value,
void *handler_context, void *region_context)
{
acpi_status status = AE_OK;
void *logical_addr_ptr = NULL;
struct acpi_mem_space_context *mem_info = region_context;
u32 length;
acpi_size window_size;
acpi_status status = AE_OK;
void *logical_addr_ptr = NULL;
struct acpi_mem_space_context *mem_info = region_context;
u32 length;
acpi_size window_size;
#ifndef ACPI_MISALIGNED_TRANSFERS
u32 remainder;
u32 remainder;
#endif
ACPI_FUNCTION_TRACE ("ex_system_memory_space_handler");
ACPI_FUNCTION_TRACE("ex_system_memory_space_handler");
/* Validate and translate the bit width */
@@ -110,9 +103,10 @@ acpi_ex_system_memory_space_handler (
break;
default:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid system_memory width %d\n",
bit_width));
return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Invalid system_memory width %d\n",
bit_width));
return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
}
#ifndef ACPI_MISALIGNED_TRANSFERS
@@ -120,9 +114,10 @@ acpi_ex_system_memory_space_handler (
* Hardware does not support non-aligned data transfers, we must verify
* the request.
*/
(void) acpi_ut_short_divide ((acpi_integer) address, length, NULL, &remainder);
(void)acpi_ut_short_divide((acpi_integer) address, length, NULL,
&remainder);
if (remainder != 0) {
return_ACPI_STATUS (AE_AML_ALIGNMENT);
return_ACPI_STATUS(AE_AML_ALIGNMENT);
}
#endif
@@ -132,9 +127,10 @@ acpi_ex_system_memory_space_handler (
* 2) Address beyond the current mapping?
*/
if ((address < mem_info->mapped_physical_address) ||
(((acpi_integer) address + length) >
((acpi_integer)
mem_info->mapped_physical_address + mem_info->mapped_length))) {
(((acpi_integer) address + length) > ((acpi_integer)
mem_info->
mapped_physical_address +
mem_info->mapped_length))) {
/*
* The request cannot be resolved by the current memory mapping;
* Delete the existing mapping and create a new one.
@@ -142,8 +138,8 @@ acpi_ex_system_memory_space_handler (
if (mem_info->mapped_length) {
/* Valid mapping, delete it */
acpi_os_unmap_memory (mem_info->mapped_logical_address,
mem_info->mapped_length);
acpi_os_unmap_memory(mem_info->mapped_logical_address,
mem_info->mapped_length);
}
/*
@@ -151,7 +147,7 @@ acpi_ex_system_memory_space_handler (
* constrain the maximum mapping size to something reasonable.
*/
window_size = (acpi_size)
((mem_info->address + mem_info->length) - address);
((mem_info->address + mem_info->length) - address);
if (window_size > ACPI_SYSMEM_REGION_WINDOW_SIZE) {
window_size = ACPI_SYSMEM_REGION_WINDOW_SIZE;
@@ -159,14 +155,16 @@ acpi_ex_system_memory_space_handler (
/* Create a new mapping starting at the address given */
status = acpi_os_map_memory (address, window_size,
(void **) &mem_info->mapped_logical_address);
if (ACPI_FAILURE (status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Could not map memory at %8.8X%8.8X, size %X\n",
ACPI_FORMAT_UINT64 (address), (u32) window_size));
status = acpi_os_map_memory(address, window_size,
(void **)&mem_info->
mapped_logical_address);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Could not map memory at %8.8X%8.8X, size %X\n",
ACPI_FORMAT_UINT64(address),
(u32) window_size));
mem_info->mapped_length = 0;
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/* Save the physical address and mapping size */
@@ -180,42 +178,41 @@ acpi_ex_system_memory_space_handler (
* access
*/
logical_addr_ptr = mem_info->mapped_logical_address +
((acpi_integer) address -
(acpi_integer) mem_info->mapped_physical_address);
((acpi_integer) address -
(acpi_integer) mem_info->mapped_physical_address);
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"system_memory %d (%d width) Address=%8.8X%8.8X\n",
function, bit_width,
ACPI_FORMAT_UINT64 (address)));
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"system_memory %d (%d width) Address=%8.8X%8.8X\n",
function, bit_width, ACPI_FORMAT_UINT64(address)));
/*
* Perform the memory read or write
*
* Note: For machines that do not support non-aligned transfers, the target
* address was checked for alignment above. We do not attempt to break the
* transfer up into smaller (byte-size) chunks because the AML specifically
* asked for a transfer width that the hardware may require.
*/
/*
* Perform the memory read or write
*
* Note: For machines that do not support non-aligned transfers, the target
* address was checked for alignment above. We do not attempt to break the
* transfer up into smaller (byte-size) chunks because the AML specifically
* asked for a transfer width that the hardware may require.
*/
switch (function) {
case ACPI_READ:
*value = 0;
switch (bit_width) {
case 8:
*value = (acpi_integer) *((u8 *) logical_addr_ptr);
*value = (acpi_integer) * ((u8 *) logical_addr_ptr);
break;
case 16:
*value = (acpi_integer) *((u16 *) logical_addr_ptr);
*value = (acpi_integer) * ((u16 *) logical_addr_ptr);
break;
case 32:
*value = (acpi_integer) *((u32 *) logical_addr_ptr);
*value = (acpi_integer) * ((u32 *) logical_addr_ptr);
break;
#if ACPI_MACHINE_WIDTH != 16
case 64:
*value = (acpi_integer) *((u64 *) logical_addr_ptr);
*value = (acpi_integer) * ((u64 *) logical_addr_ptr);
break;
#endif
default:
@@ -228,20 +225,20 @@ acpi_ex_system_memory_space_handler (
switch (bit_width) {
case 8:
*(u8 *) logical_addr_ptr = (u8) *value;
*(u8 *) logical_addr_ptr = (u8) * value;
break;
case 16:
*(u16 *) logical_addr_ptr = (u16) *value;
*(u16 *) logical_addr_ptr = (u16) * value;
break;
case 32:
*(u32 *) logical_addr_ptr = (u32) *value;
*(u32 *) logical_addr_ptr = (u32) * value;
break;
#if ACPI_MACHINE_WIDTH != 16
case 64:
*(u64 *) logical_addr_ptr = (u64) *value;
*(u64 *) logical_addr_ptr = (u64) * value;
break;
#endif
@@ -256,10 +253,9 @@ acpi_ex_system_memory_space_handler (
break;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_io_space_handler
@@ -279,39 +275,35 @@ acpi_ex_system_memory_space_handler (
******************************************************************************/
acpi_status
acpi_ex_system_io_space_handler (
u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer *value,
void *handler_context,
void *region_context)
acpi_ex_system_io_space_handler(u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer * value,
void *handler_context, void *region_context)
{
acpi_status status = AE_OK;
u32 value32;
acpi_status status = AE_OK;
u32 value32;
ACPI_FUNCTION_TRACE("ex_system_io_space_handler");
ACPI_FUNCTION_TRACE ("ex_system_io_space_handler");
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"system_iO %d (%d width) Address=%8.8X%8.8X\n", function, bit_width,
ACPI_FORMAT_UINT64 (address)));
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"system_iO %d (%d width) Address=%8.8X%8.8X\n",
function, bit_width, ACPI_FORMAT_UINT64(address)));
/* Decode the function parameter */
switch (function) {
case ACPI_READ:
status = acpi_os_read_port ((acpi_io_address) address,
&value32, bit_width);
status = acpi_os_read_port((acpi_io_address) address,
&value32, bit_width);
*value = value32;
break;
case ACPI_WRITE:
status = acpi_os_write_port ((acpi_io_address) address,
(u32) *value, bit_width);
status = acpi_os_write_port((acpi_io_address) address,
(u32) * value, bit_width);
break;
default:
@@ -319,10 +311,9 @@ acpi_ex_system_io_space_handler (
break;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_pci_config_space_handler
@@ -342,21 +333,17 @@ acpi_ex_system_io_space_handler (
******************************************************************************/
acpi_status
acpi_ex_pci_config_space_handler (
u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer *value,
void *handler_context,
void *region_context)
acpi_ex_pci_config_space_handler(u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer * value,
void *handler_context, void *region_context)
{
acpi_status status = AE_OK;
struct acpi_pci_id *pci_id;
u16 pci_register;
ACPI_FUNCTION_TRACE ("ex_pci_config_space_handler");
acpi_status status = AE_OK;
struct acpi_pci_id *pci_id;
u16 pci_register;
ACPI_FUNCTION_TRACE("ex_pci_config_space_handler");
/*
* The arguments to acpi_os(Read|Write)pci_configuration are:
@@ -370,26 +357,26 @@ acpi_ex_pci_config_space_handler (
* Value - input value for write, output address for read
*
*/
pci_id = (struct acpi_pci_id *) region_context;
pci_id = (struct acpi_pci_id *)region_context;
pci_register = (u16) (u32) address;
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"pci_config %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
function, bit_width, pci_id->segment, pci_id->bus, pci_id->device,
pci_id->function, pci_register));
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"pci_config %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
function, bit_width, pci_id->segment, pci_id->bus,
pci_id->device, pci_id->function, pci_register));
switch (function) {
case ACPI_READ:
*value = 0;
status = acpi_os_read_pci_configuration (pci_id, pci_register,
value, bit_width);
status = acpi_os_read_pci_configuration(pci_id, pci_register,
value, bit_width);
break;
case ACPI_WRITE:
status = acpi_os_write_pci_configuration (pci_id, pci_register,
*value, bit_width);
status = acpi_os_write_pci_configuration(pci_id, pci_register,
*value, bit_width);
break;
default:
@@ -398,10 +385,9 @@ acpi_ex_pci_config_space_handler (
break;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_cmos_space_handler
@@ -421,24 +407,19 @@ acpi_ex_pci_config_space_handler (
******************************************************************************/
acpi_status
acpi_ex_cmos_space_handler (
u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer *value,
void *handler_context,
void *region_context)
acpi_ex_cmos_space_handler(u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer * value,
void *handler_context, void *region_context)
{
acpi_status status = AE_OK;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE("ex_cmos_space_handler");
ACPI_FUNCTION_TRACE ("ex_cmos_space_handler");
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_pci_bar_space_handler
@@ -458,24 +439,19 @@ acpi_ex_cmos_space_handler (
******************************************************************************/
acpi_status
acpi_ex_pci_bar_space_handler (
u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer *value,
void *handler_context,
void *region_context)
acpi_ex_pci_bar_space_handler(u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer * value,
void *handler_context, void *region_context)
{
acpi_status status = AE_OK;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE("ex_pci_bar_space_handler");
ACPI_FUNCTION_TRACE ("ex_pci_bar_space_handler");
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_data_table_space_handler
@@ -495,24 +471,20 @@ acpi_ex_pci_bar_space_handler (
******************************************************************************/
acpi_status
acpi_ex_data_table_space_handler (
u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer *value,
void *handler_context,
void *region_context)
acpi_ex_data_table_space_handler(u32 function,
acpi_physical_address address,
u32 bit_width,
acpi_integer * value,
void *handler_context, void *region_context)
{
acpi_status status = AE_OK;
u32 byte_width = ACPI_DIV_8 (bit_width);
u32 i;
char *logical_addr_ptr;
acpi_status status = AE_OK;
u32 byte_width = ACPI_DIV_8(bit_width);
u32 i;
char *logical_addr_ptr;
ACPI_FUNCTION_TRACE("ex_data_table_space_handler");
ACPI_FUNCTION_TRACE ("ex_data_table_space_handler");
logical_addr_ptr = ACPI_PHYSADDR_TO_PTR (address);
logical_addr_ptr = ACPI_PHYSADDR_TO_PTR(address);
/* Perform the memory read or write */
@@ -520,17 +492,15 @@ acpi_ex_data_table_space_handler (
case ACPI_READ:
for (i = 0; i < byte_width; i++) {
((char *) value) [i] = logical_addr_ptr[i];
((char *)value)[i] = logical_addr_ptr[i];
}
break;
case ACPI_WRITE:
default:
return_ACPI_STATUS (AE_SUPPORT);
return_ACPI_STATUS(AE_SUPPORT);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}

172
drivers/acpi/executer/exresnte.c
查看文件

@@ -42,7 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acdispat.h>
#include <acpi/acinterp.h>
@@ -50,10 +49,8 @@
#include <acpi/acparser.h>
#include <acpi/amlcode.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exresnte")
ACPI_MODULE_NAME("exresnte")
/*******************************************************************************
*
@@ -80,41 +77,37 @@
* ACPI_TYPE_PACKAGE
*
******************************************************************************/
acpi_status
acpi_ex_resolve_node_to_value (
struct acpi_namespace_node **object_ptr,
struct acpi_walk_state *walk_state)
acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
struct acpi_walk_state *walk_state)
{
acpi_status status = AE_OK;
union acpi_operand_object *source_desc;
union acpi_operand_object *obj_desc = NULL;
struct acpi_namespace_node *node;
acpi_object_type entry_type;
ACPI_FUNCTION_TRACE ("ex_resolve_node_to_value");
acpi_status status = AE_OK;
union acpi_operand_object *source_desc;
union acpi_operand_object *obj_desc = NULL;
struct acpi_namespace_node *node;
acpi_object_type entry_type;
ACPI_FUNCTION_TRACE("ex_resolve_node_to_value");
/*
* The stack pointer points to a struct acpi_namespace_node (Node). Get the
* object that is attached to the Node.
*/
node = *object_ptr;
source_desc = acpi_ns_get_attached_object (node);
entry_type = acpi_ns_get_type ((acpi_handle) node);
node = *object_ptr;
source_desc = acpi_ns_get_attached_object(node);
entry_type = acpi_ns_get_type((acpi_handle) node);
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Entry=%p source_desc=%p [%s]\n",
node, source_desc, acpi_ut_get_type_name (entry_type)));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Entry=%p source_desc=%p [%s]\n",
node, source_desc,
acpi_ut_get_type_name(entry_type)));
if ((entry_type == ACPI_TYPE_LOCAL_ALIAS) ||
(entry_type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) {
(entry_type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) {
/* There is always exactly one level of indirection */
node = ACPI_CAST_PTR (struct acpi_namespace_node, node->object);
source_desc = acpi_ns_get_attached_object (node);
entry_type = acpi_ns_get_type ((acpi_handle) node);
node = ACPI_CAST_PTR(struct acpi_namespace_node, node->object);
source_desc = acpi_ns_get_attached_object(node);
entry_type = acpi_ns_get_type((acpi_handle) node);
*object_ptr = node;
}
@@ -124,14 +117,14 @@ acpi_ex_resolve_node_to_value (
* 2) Method locals and arguments have a pseudo-Node
*/
if (entry_type == ACPI_TYPE_DEVICE ||
(node->flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL))) {
return_ACPI_STATUS (AE_OK);
(node->flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL))) {
return_ACPI_STATUS(AE_OK);
}
if (!source_desc) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object attached to node %p\n",
node));
return_ACPI_STATUS (AE_AML_NO_OPERAND);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"No object attached to node %p\n", node));
return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
/*
@@ -141,83 +134,89 @@ acpi_ex_resolve_node_to_value (
switch (entry_type) {
case ACPI_TYPE_PACKAGE:
if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_PACKAGE) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a Package, type %s\n",
acpi_ut_get_object_type_name (source_desc)));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_PACKAGE) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Object not a Package, type %s\n",
acpi_ut_get_object_type_name
(source_desc)));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
status = acpi_ds_get_package_arguments (source_desc);
if (ACPI_SUCCESS (status)) {
status = acpi_ds_get_package_arguments(source_desc);
if (ACPI_SUCCESS(status)) {
/* Return an additional reference to the object */
obj_desc = source_desc;
acpi_ut_add_reference (obj_desc);
acpi_ut_add_reference(obj_desc);
}
break;
case ACPI_TYPE_BUFFER:
if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a Buffer, type %s\n",
acpi_ut_get_object_type_name (source_desc)));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_BUFFER) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Object not a Buffer, type %s\n",
acpi_ut_get_object_type_name
(source_desc)));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
status = acpi_ds_get_buffer_arguments (source_desc);
if (ACPI_SUCCESS (status)) {
status = acpi_ds_get_buffer_arguments(source_desc);
if (ACPI_SUCCESS(status)) {
/* Return an additional reference to the object */
obj_desc = source_desc;
acpi_ut_add_reference (obj_desc);
acpi_ut_add_reference(obj_desc);
}
break;
case ACPI_TYPE_STRING:
if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_STRING) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a String, type %s\n",
acpi_ut_get_object_type_name (source_desc)));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_STRING) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Object not a String, type %s\n",
acpi_ut_get_object_type_name
(source_desc)));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/* Return an additional reference to the object */
obj_desc = source_desc;
acpi_ut_add_reference (obj_desc);
acpi_ut_add_reference(obj_desc);
break;
case ACPI_TYPE_INTEGER:
if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_INTEGER) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a Integer, type %s\n",
acpi_ut_get_object_type_name (source_desc)));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_INTEGER) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Object not a Integer, type %s\n",
acpi_ut_get_object_type_name
(source_desc)));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/* Return an additional reference to the object */
obj_desc = source_desc;
acpi_ut_add_reference (obj_desc);
acpi_ut_add_reference(obj_desc);
break;
case ACPI_TYPE_BUFFER_FIELD:
case ACPI_TYPE_LOCAL_REGION_FIELD:
case ACPI_TYPE_LOCAL_BANK_FIELD:
case ACPI_TYPE_LOCAL_INDEX_FIELD:
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"field_read Node=%p source_desc=%p Type=%X\n",
node, source_desc, entry_type));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"field_read Node=%p source_desc=%p Type=%X\n",
node, source_desc, entry_type));
status = acpi_ex_read_data_from_field (walk_state, source_desc, &obj_desc);
status =
acpi_ex_read_data_from_field(walk_state, source_desc,
&obj_desc);
break;
/* For these objects, just return the object attached to the Node */
/* For these objects, just return the object attached to the Node */
case ACPI_TYPE_MUTEX:
case ACPI_TYPE_METHOD:
@@ -230,19 +229,18 @@ acpi_ex_resolve_node_to_value (
/* Return an additional reference to the object */
obj_desc = source_desc;
acpi_ut_add_reference (obj_desc);
acpi_ut_add_reference(obj_desc);
break;
/* TYPE_ANY is untyped, and thus there is no object associated with it */
/* TYPE_ANY is untyped, and thus there is no object associated with it */
case ACPI_TYPE_ANY:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Untyped entry %p, no attached object!\n",
node));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE); /* Cannot be AE_TYPE */
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Untyped entry %p, no attached object!\n",
node));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE); /* Cannot be AE_TYPE */
case ACPI_TYPE_LOCAL_REFERENCE:
@@ -253,39 +251,37 @@ acpi_ex_resolve_node_to_value (
/* Return an additional reference to the object */
obj_desc = source_desc;
acpi_ut_add_reference (obj_desc);
acpi_ut_add_reference(obj_desc);
break;
default:
/* No named references are allowed here */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Unsupported Reference opcode %X (%s)\n",
source_desc->reference.opcode,
acpi_ps_get_opcode_name (source_desc->reference.opcode)));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unsupported Reference opcode %X (%s)\n",
source_desc->reference.opcode,
acpi_ps_get_opcode_name(source_desc->
reference.
opcode)));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
break;
default:
/* Default case is for unknown types */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Node %p - Unknown object type %X\n",
node, entry_type));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Node %p - Unknown object type %X\n",
node, entry_type));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
} /* switch (entry_type) */
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
} /* switch (entry_type) */
/* Return the object descriptor */
*object_ptr = (void *) obj_desc;
return_ACPI_STATUS (status);
*object_ptr = (void *)obj_desc;
return_ACPI_STATUS(status);
}

284
drivers/acpi/executer/exresolv.c
查看文件

@@ -42,7 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/amlcode.h>
#include <acpi/acdispat.h>
@@ -50,17 +49,13 @@
#include <acpi/acnamesp.h>
#include <acpi/acparser.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exresolv")
ACPI_MODULE_NAME("exresolv")
/* Local prototypes */
static acpi_status
acpi_ex_resolve_object_to_value (
union acpi_operand_object **stack_ptr,
struct acpi_walk_state *walk_state);
acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
struct acpi_walk_state *walk_state);
/*******************************************************************************
*
@@ -78,19 +73,16 @@ acpi_ex_resolve_object_to_value (
******************************************************************************/
acpi_status
acpi_ex_resolve_to_value (
union acpi_operand_object **stack_ptr,
struct acpi_walk_state *walk_state)
acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
struct acpi_walk_state *walk_state)
{
acpi_status status;
ACPI_FUNCTION_TRACE_PTR ("ex_resolve_to_value", stack_ptr);
acpi_status status;
ACPI_FUNCTION_TRACE_PTR("ex_resolve_to_value", stack_ptr);
if (!stack_ptr || !*stack_ptr) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - null pointer\n"));
return_ACPI_STATUS (AE_AML_NO_OPERAND);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Internal - null pointer\n"));
return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
/*
@@ -98,15 +90,16 @@ acpi_ex_resolve_to_value (
* 1) A valid union acpi_operand_object, or
* 2) A struct acpi_namespace_node (named_obj)
*/
if (ACPI_GET_DESCRIPTOR_TYPE (*stack_ptr) == ACPI_DESC_TYPE_OPERAND) {
status = acpi_ex_resolve_object_to_value (stack_ptr, walk_state);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
if (ACPI_GET_DESCRIPTOR_TYPE(*stack_ptr) == ACPI_DESC_TYPE_OPERAND) {
status = acpi_ex_resolve_object_to_value(stack_ptr, walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
if (!*stack_ptr) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - null pointer\n"));
return_ACPI_STATUS (AE_AML_NO_OPERAND);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Internal - null pointer\n"));
return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
}
@@ -114,20 +107,20 @@ acpi_ex_resolve_to_value (
* Object on the stack may have changed if acpi_ex_resolve_object_to_value()
* was called (i.e., we can't use an _else_ here.)
*/
if (ACPI_GET_DESCRIPTOR_TYPE (*stack_ptr) == ACPI_DESC_TYPE_NAMED) {
status = acpi_ex_resolve_node_to_value (
ACPI_CAST_INDIRECT_PTR (struct acpi_namespace_node, stack_ptr),
walk_state);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
if (ACPI_GET_DESCRIPTOR_TYPE(*stack_ptr) == ACPI_DESC_TYPE_NAMED) {
status =
acpi_ex_resolve_node_to_value(ACPI_CAST_INDIRECT_PTR
(struct acpi_namespace_node,
stack_ptr), walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Resolved object %p\n", *stack_ptr));
return_ACPI_STATUS (AE_OK);
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Resolved object %p\n", *stack_ptr));
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_resolve_object_to_value
@@ -143,25 +136,22 @@ acpi_ex_resolve_to_value (
******************************************************************************/
static acpi_status
acpi_ex_resolve_object_to_value (
union acpi_operand_object **stack_ptr,
struct acpi_walk_state *walk_state)
acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
struct acpi_walk_state *walk_state)
{
acpi_status status = AE_OK;
union acpi_operand_object *stack_desc;
void *temp_node;
union acpi_operand_object *obj_desc;
u16 opcode;
ACPI_FUNCTION_TRACE ("ex_resolve_object_to_value");
acpi_status status = AE_OK;
union acpi_operand_object *stack_desc;
void *temp_node;
union acpi_operand_object *obj_desc;
u16 opcode;
ACPI_FUNCTION_TRACE("ex_resolve_object_to_value");
stack_desc = *stack_ptr;
/* This is an union acpi_operand_object */
switch (ACPI_GET_OBJECT_TYPE (stack_desc)) {
switch (ACPI_GET_OBJECT_TYPE(stack_desc)) {
case ACPI_TYPE_LOCAL_REFERENCE:
opcode = stack_desc->reference.opcode;
@@ -177,14 +167,13 @@ acpi_ex_resolve_object_to_value (
/* Delete the Reference Object */
acpi_ut_remove_reference (stack_desc);
acpi_ut_remove_reference(stack_desc);
/* Return the namespace node */
(*stack_ptr) = temp_node;
break;
case AML_LOCAL_OP:
case AML_ARG_OP:
@@ -192,24 +181,28 @@ acpi_ex_resolve_object_to_value (
* Get the local from the method's state info
* Note: this increments the local's object reference count
*/
status = acpi_ds_method_data_get_value (opcode,
stack_desc->reference.offset, walk_state, &obj_desc);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status = acpi_ds_method_data_get_value(opcode,
stack_desc->
reference.offset,
walk_state,
&obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Arg/Local %X] value_obj is %p\n",
stack_desc->reference.offset, obj_desc));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"[Arg/Local %X] value_obj is %p\n",
stack_desc->reference.offset,
obj_desc));
/*
* Now we can delete the original Reference Object and
* replace it with the resolved value
*/
acpi_ut_remove_reference (stack_desc);
acpi_ut_remove_reference(stack_desc);
*stack_ptr = obj_desc;
break;
case AML_INDEX_OP:
switch (stack_desc->reference.target_type) {
@@ -218,7 +211,6 @@ acpi_ex_resolve_object_to_value (
/* Just return - leave the Reference on the stack */
break;
case ACPI_TYPE_PACKAGE:
obj_desc = *stack_desc->reference.where;
@@ -228,36 +220,31 @@ acpi_ex_resolve_object_to_value (
* (i.e., dereference the package index)
* Delete the ref object, increment the returned object
*/
acpi_ut_remove_reference (stack_desc);
acpi_ut_add_reference (obj_desc);
acpi_ut_remove_reference(stack_desc);
acpi_ut_add_reference(obj_desc);
*stack_ptr = obj_desc;
}
else {
} else {
/*
* A NULL object descriptor means an unitialized element of
* the package, can't dereference it
*/
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Attempt to deref an Index to NULL pkg element Idx=%p\n",
stack_desc));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Attempt to deref an Index to NULL pkg element Idx=%p\n",
stack_desc));
status = AE_AML_UNINITIALIZED_ELEMENT;
}
break;
default:
/* Invalid reference object */
ACPI_REPORT_ERROR ((
"During resolve, Unknown target_type %X in Index/Reference obj %p\n",
stack_desc->reference.target_type, stack_desc));
ACPI_REPORT_ERROR(("During resolve, Unknown target_type %X in Index/Reference obj %p\n", stack_desc->reference.target_type, stack_desc));
status = AE_AML_INTERNAL;
break;
}
break;
case AML_REF_OF_OP:
case AML_DEBUG_OP:
case AML_LOAD_OP:
@@ -266,60 +253,58 @@ acpi_ex_resolve_object_to_value (
break;
case AML_INT_NAMEPATH_OP: /* Reference to a named object */
case AML_INT_NAMEPATH_OP: /* Reference to a named object */
/* Get the object pointed to by the namespace node */
*stack_ptr = (stack_desc->reference.node)->object;
acpi_ut_add_reference (*stack_ptr);
acpi_ut_remove_reference (stack_desc);
acpi_ut_add_reference(*stack_ptr);
acpi_ut_remove_reference(stack_desc);
break;
default:
ACPI_REPORT_ERROR ((
"During resolve, Unknown Reference opcode %X (%s) in %p\n",
opcode, acpi_ps_get_opcode_name (opcode), stack_desc));
ACPI_REPORT_ERROR(("During resolve, Unknown Reference opcode %X (%s) in %p\n", opcode, acpi_ps_get_opcode_name(opcode), stack_desc));
status = AE_AML_INTERNAL;
break;
}
break;
case ACPI_TYPE_BUFFER:
status = acpi_ds_get_buffer_arguments (stack_desc);
status = acpi_ds_get_buffer_arguments(stack_desc);
break;
case ACPI_TYPE_PACKAGE:
status = acpi_ds_get_package_arguments (stack_desc);
status = acpi_ds_get_package_arguments(stack_desc);
break;
/* These cases may never happen here, but just in case.. */
/* These cases may never happen here, but just in case.. */
case ACPI_TYPE_BUFFER_FIELD:
case ACPI_TYPE_LOCAL_REGION_FIELD:
case ACPI_TYPE_LOCAL_BANK_FIELD:
case ACPI_TYPE_LOCAL_INDEX_FIELD:
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "field_read source_desc=%p Type=%X\n",
stack_desc, ACPI_GET_OBJECT_TYPE (stack_desc)));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"field_read source_desc=%p Type=%X\n",
stack_desc,
ACPI_GET_OBJECT_TYPE(stack_desc)));
status = acpi_ex_read_data_from_field (walk_state, stack_desc, &obj_desc);
*stack_ptr = (void *) obj_desc;
status =
acpi_ex_read_data_from_field(walk_state, stack_desc,
&obj_desc);
*stack_ptr = (void *)obj_desc;
break;
default:
break;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_resolve_multiple
@@ -337,42 +322,44 @@ acpi_ex_resolve_object_to_value (
******************************************************************************/
acpi_status
acpi_ex_resolve_multiple (
struct acpi_walk_state *walk_state,
union acpi_operand_object *operand,
acpi_object_type *return_type,
union acpi_operand_object **return_desc)
acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
union acpi_operand_object *operand,
acpi_object_type * return_type,
union acpi_operand_object **return_desc)
{
union acpi_operand_object *obj_desc = (void *) operand;
struct acpi_namespace_node *node;
acpi_object_type type;
acpi_status status;
ACPI_FUNCTION_TRACE ("acpi_ex_resolve_multiple");
union acpi_operand_object *obj_desc = (void *)operand;
struct acpi_namespace_node *node;
acpi_object_type type;
acpi_status status;
ACPI_FUNCTION_TRACE("acpi_ex_resolve_multiple");
/* Operand can be either a namespace node or an operand descriptor */
switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) {
switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
case ACPI_DESC_TYPE_OPERAND:
type = obj_desc->common.type;
break;
case ACPI_DESC_TYPE_NAMED:
type = ((struct acpi_namespace_node *) obj_desc)->type;
obj_desc = acpi_ns_get_attached_object ((struct acpi_namespace_node *) obj_desc);
type = ((struct acpi_namespace_node *)obj_desc)->type;
obj_desc =
acpi_ns_get_attached_object((struct acpi_namespace_node *)
obj_desc);
/* If we had an Alias node, use the attached object for type info */
if (type == ACPI_TYPE_LOCAL_ALIAS) {
type = ((struct acpi_namespace_node *) obj_desc)->type;
obj_desc = acpi_ns_get_attached_object ((struct acpi_namespace_node *) obj_desc);
type = ((struct acpi_namespace_node *)obj_desc)->type;
obj_desc =
acpi_ns_get_attached_object((struct
acpi_namespace_node *)
obj_desc);
}
break;
default:
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/* If type is anything other than a reference, we are done */
@@ -387,7 +374,7 @@ acpi_ex_resolve_multiple (
* of the object_type and size_of operators). This means traversing
* the list of possibly many nested references.
*/
while (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_LOCAL_REFERENCE) {
while (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REFERENCE) {
switch (obj_desc->reference.opcode) {
case AML_REF_OF_OP:
@@ -397,31 +384,29 @@ acpi_ex_resolve_multiple (
/* All "References" point to a NS node */
if (ACPI_GET_DESCRIPTOR_TYPE (node) != ACPI_DESC_TYPE_NAMED) {
ACPI_REPORT_ERROR ((
"acpi_ex_resolve_multiple: Not a NS node %p [%s]\n",
node, acpi_ut_get_descriptor_name (node)));
return_ACPI_STATUS (AE_AML_INTERNAL);
if (ACPI_GET_DESCRIPTOR_TYPE(node) !=
ACPI_DESC_TYPE_NAMED) {
ACPI_REPORT_ERROR(("acpi_ex_resolve_multiple: Not a NS node %p [%s]\n", node, acpi_ut_get_descriptor_name(node)));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
/* Get the attached object */
obj_desc = acpi_ns_get_attached_object (node);
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
/* No object, use the NS node type */
type = acpi_ns_get_type (node);
type = acpi_ns_get_type(node);
goto exit;
}
/* Check for circular references */
if (obj_desc == operand) {
return_ACPI_STATUS (AE_AML_CIRCULAR_REFERENCE);
return_ACPI_STATUS(AE_AML_CIRCULAR_REFERENCE);
}
break;
case AML_INDEX_OP:
/* Get the type of this reference (index into another object) */
@@ -442,12 +427,11 @@ acpi_ex_resolve_multiple (
if (!obj_desc) {
/* NULL package elements are allowed */
type = 0; /* Uninitialized */
type = 0; /* Uninitialized */
goto exit;
}
break;
case AML_INT_NAMEPATH_OP:
/* Dereference the reference pointer */
@@ -456,50 +440,61 @@ acpi_ex_resolve_multiple (
/* All "References" point to a NS node */
if (ACPI_GET_DESCRIPTOR_TYPE (node) != ACPI_DESC_TYPE_NAMED) {
ACPI_REPORT_ERROR ((
"acpi_ex_resolve_multiple: Not a NS node %p [%s]\n",
node, acpi_ut_get_descriptor_name (node)));
return_ACPI_STATUS (AE_AML_INTERNAL);
if (ACPI_GET_DESCRIPTOR_TYPE(node) !=
ACPI_DESC_TYPE_NAMED) {
ACPI_REPORT_ERROR(("acpi_ex_resolve_multiple: Not a NS node %p [%s]\n", node, acpi_ut_get_descriptor_name(node)));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
/* Get the attached object */
obj_desc = acpi_ns_get_attached_object (node);
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
/* No object, use the NS node type */
type = acpi_ns_get_type (node);
type = acpi_ns_get_type(node);
goto exit;
}
/* Check for circular references */
if (obj_desc == operand) {
return_ACPI_STATUS (AE_AML_CIRCULAR_REFERENCE);
return_ACPI_STATUS(AE_AML_CIRCULAR_REFERENCE);
}
break;
case AML_LOCAL_OP:
case AML_ARG_OP:
if (return_desc) {
status = acpi_ds_method_data_get_value (obj_desc->reference.opcode,
obj_desc->reference.offset, walk_state, &obj_desc);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status =
acpi_ds_method_data_get_value(obj_desc->
reference.
opcode,
obj_desc->
reference.
offset,
walk_state,
&obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
acpi_ut_remove_reference (obj_desc);
}
else {
status = acpi_ds_method_data_get_node (obj_desc->reference.opcode,
obj_desc->reference.offset, walk_state, &node);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
acpi_ut_remove_reference(obj_desc);
} else {
status =
acpi_ds_method_data_get_node(obj_desc->
reference.
opcode,
obj_desc->
reference.
offset,
walk_state,
&node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
obj_desc = acpi_ns_get_attached_object (node);
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
type = ACPI_TYPE_ANY;
goto exit;
@@ -507,7 +502,6 @@ acpi_ex_resolve_multiple (
}
break;
case AML_DEBUG_OP:
/* The Debug Object is of type "debug_object" */
@@ -515,13 +509,10 @@ acpi_ex_resolve_multiple (
type = ACPI_TYPE_DEBUG_OBJECT;
goto exit;
default:
ACPI_REPORT_ERROR ((
"acpi_ex_resolve_multiple: Unknown Reference subtype %X\n",
obj_desc->reference.opcode));
return_ACPI_STATUS (AE_AML_INTERNAL);
ACPI_REPORT_ERROR(("acpi_ex_resolve_multiple: Unknown Reference subtype %X\n", obj_desc->reference.opcode));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
}
@@ -529,10 +520,9 @@ acpi_ex_resolve_multiple (
* Now we are guaranteed to have an object that has not been created
* via the ref_of or Index operators.
*/
type = ACPI_GET_OBJECT_TYPE (obj_desc);
type = ACPI_GET_OBJECT_TYPE(obj_desc);
exit:
exit:
/* Convert internal types to external types */
switch (type) {
@@ -559,7 +549,5 @@ exit:
if (return_desc) {
*return_desc = obj_desc;
}
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}

382
drivers/acpi/executer/exresop.c
查看文件

@@ -42,24 +42,18 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/amlcode.h>
#include <acpi/acparser.h>
#include <acpi/acinterp.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exresop")
ACPI_MODULE_NAME("exresop")
/* Local prototypes */
static acpi_status
acpi_ex_check_object_type (
acpi_object_type type_needed,
acpi_object_type this_type,
void *object);
acpi_ex_check_object_type(acpi_object_type type_needed,
acpi_object_type this_type, void *object);
/*******************************************************************************
*
@@ -76,13 +70,10 @@ acpi_ex_check_object_type (
******************************************************************************/
static acpi_status
acpi_ex_check_object_type (
acpi_object_type type_needed,
acpi_object_type this_type,
void *object)
acpi_ex_check_object_type(acpi_object_type type_needed,
acpi_object_type this_type, void *object)
{
ACPI_FUNCTION_NAME ("ex_check_object_type");
ACPI_FUNCTION_NAME("ex_check_object_type");
if (type_needed == ACPI_TYPE_ANY) {
/* All types OK, so we don't perform any typechecks */
@@ -97,16 +88,17 @@ acpi_ex_check_object_type (
* specification, a store to a constant is a noop.)
*/
if ((this_type == ACPI_TYPE_INTEGER) &&
(((union acpi_operand_object *) object)->common.flags & AOPOBJ_AML_CONSTANT)) {
(((union acpi_operand_object *)object)->common.
flags & AOPOBJ_AML_CONSTANT)) {
return (AE_OK);
}
}
if (type_needed != this_type) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Needed [%s], found [%s] %p\n",
acpi_ut_get_type_name (type_needed),
acpi_ut_get_type_name (this_type), object));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Needed [%s], found [%s] %p\n",
acpi_ut_get_type_name(type_needed),
acpi_ut_get_type_name(this_type), object));
return (AE_AML_OPERAND_TYPE);
}
@@ -114,7 +106,6 @@ acpi_ex_check_object_type (
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_resolve_operands
@@ -137,41 +128,37 @@ acpi_ex_check_object_type (
******************************************************************************/
acpi_status
acpi_ex_resolve_operands (
u16 opcode,
union acpi_operand_object **stack_ptr,
struct acpi_walk_state *walk_state)
acpi_ex_resolve_operands(u16 opcode,
union acpi_operand_object ** stack_ptr,
struct acpi_walk_state * walk_state)
{
union acpi_operand_object *obj_desc;
acpi_status status = AE_OK;
u8 object_type;
void *temp_node;
u32 arg_types;
const struct acpi_opcode_info *op_info;
u32 this_arg_type;
acpi_object_type type_needed;
u16 target_op = 0;
union acpi_operand_object *obj_desc;
acpi_status status = AE_OK;
u8 object_type;
void *temp_node;
u32 arg_types;
const struct acpi_opcode_info *op_info;
u32 this_arg_type;
acpi_object_type type_needed;
u16 target_op = 0;
ACPI_FUNCTION_TRACE_U32("ex_resolve_operands", opcode);
ACPI_FUNCTION_TRACE_U32 ("ex_resolve_operands", opcode);
op_info = acpi_ps_get_opcode_info (opcode);
op_info = acpi_ps_get_opcode_info(opcode);
if (op_info->class == AML_CLASS_UNKNOWN) {
return_ACPI_STATUS (AE_AML_BAD_OPCODE);
return_ACPI_STATUS(AE_AML_BAD_OPCODE);
}
arg_types = op_info->runtime_args;
if (arg_types == ARGI_INVALID_OPCODE) {
ACPI_REPORT_ERROR (("resolve_operands: %X is not a valid AML opcode\n",
opcode));
ACPI_REPORT_ERROR(("resolve_operands: %X is not a valid AML opcode\n", opcode));
return_ACPI_STATUS (AE_AML_INTERNAL);
return_ACPI_STATUS(AE_AML_INTERNAL);
}
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"Opcode %X [%s] required_operand_types=%8.8X \n",
opcode, op_info->name, arg_types));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Opcode %X [%s] required_operand_types=%8.8X \n",
opcode, op_info->name, arg_types));
/*
* Normal exit is with (arg_types == 0) at end of argument list.
@@ -180,12 +167,11 @@ acpi_ex_resolve_operands (
* to) the required type; if stack underflows; or upon
* finding a NULL stack entry (which should not happen).
*/
while (GET_CURRENT_ARG_TYPE (arg_types)) {
while (GET_CURRENT_ARG_TYPE(arg_types)) {
if (!stack_ptr || !*stack_ptr) {
ACPI_REPORT_ERROR (("resolve_operands: Null stack entry at %p\n",
stack_ptr));
ACPI_REPORT_ERROR(("resolve_operands: Null stack entry at %p\n", stack_ptr));
return_ACPI_STATUS (AE_AML_INTERNAL);
return_ACPI_STATUS(AE_AML_INTERNAL);
}
/* Extract useful items */
@@ -194,37 +180,37 @@ acpi_ex_resolve_operands (
/* Decode the descriptor type */
switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) {
switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
case ACPI_DESC_TYPE_NAMED:
/* Namespace Node */
object_type = ((struct acpi_namespace_node *) obj_desc)->type;
object_type =
((struct acpi_namespace_node *)obj_desc)->type;
break;
case ACPI_DESC_TYPE_OPERAND:
/* ACPI internal object */
object_type = ACPI_GET_OBJECT_TYPE (obj_desc);
object_type = ACPI_GET_OBJECT_TYPE(obj_desc);
/* Check for bad acpi_object_type */
if (!acpi_ut_valid_object_type (object_type)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Bad operand object type [%X]\n",
object_type));
if (!acpi_ut_valid_object_type(object_type)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Bad operand object type [%X]\n",
object_type));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
if (object_type == (u8) ACPI_TYPE_LOCAL_REFERENCE) {
/* Decode the Reference */
op_info = acpi_ps_get_opcode_info (opcode);
op_info = acpi_ps_get_opcode_info(opcode);
if (op_info->class == AML_CLASS_UNKNOWN) {
return_ACPI_STATUS (AE_AML_BAD_OPCODE);
return_ACPI_STATUS(AE_AML_BAD_OPCODE);
}
switch (obj_desc->reference.opcode) {
@@ -238,51 +224,62 @@ acpi_ex_resolve_operands (
case AML_REF_OF_OP:
case AML_ARG_OP:
case AML_LOCAL_OP:
case AML_LOAD_OP: /* ddb_handle from LOAD_OP or LOAD_TABLE_OP */
case AML_INT_NAMEPATH_OP: /* Reference to a named object */
case AML_LOAD_OP: /* ddb_handle from LOAD_OP or LOAD_TABLE_OP */
case AML_INT_NAMEPATH_OP: /* Reference to a named object */
ACPI_DEBUG_ONLY_MEMBERS (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"Operand is a Reference, ref_opcode [%s]\n",
(acpi_ps_get_opcode_info (obj_desc->reference.opcode))->name)));
ACPI_DEBUG_ONLY_MEMBERS(ACPI_DEBUG_PRINT
((ACPI_DB_EXEC,
"Operand is a Reference, ref_opcode [%s]\n",
(acpi_ps_get_opcode_info
(obj_desc->
reference.
opcode))->
name)));
break;
default:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Operand is a Reference, Unknown Reference Opcode %X [%s]\n",
obj_desc->reference.opcode,
(acpi_ps_get_opcode_info (obj_desc->reference.opcode))->name));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Operand is a Reference, Unknown Reference Opcode %X [%s]\n",
obj_desc->reference.
opcode,
(acpi_ps_get_opcode_info
(obj_desc->reference.
opcode))->name));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
}
break;
default:
/* Invalid descriptor */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Invalid descriptor %p [%s]\n",
obj_desc, acpi_ut_get_descriptor_name (obj_desc)));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Invalid descriptor %p [%s]\n",
obj_desc,
acpi_ut_get_descriptor_name
(obj_desc)));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/* Get one argument type, point to the next */
this_arg_type = GET_CURRENT_ARG_TYPE (arg_types);
INCREMENT_ARG_LIST (arg_types);
this_arg_type = GET_CURRENT_ARG_TYPE(arg_types);
INCREMENT_ARG_LIST(arg_types);
/*
* Handle cases where the object does not need to be
* resolved to a value
*/
switch (this_arg_type) {
case ARGI_REF_OR_STRING: /* Can be a String or Reference */
case ARGI_REF_OR_STRING: /* Can be a String or Reference */
if ((ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_OPERAND) &&
(ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_STRING)) {
if ((ACPI_GET_DESCRIPTOR_TYPE(obj_desc) ==
ACPI_DESC_TYPE_OPERAND)
&& (ACPI_GET_OBJECT_TYPE(obj_desc) ==
ACPI_TYPE_STRING)) {
/*
* String found - the string references a named object and
* must be resolved to a node
@@ -296,39 +293,40 @@ acpi_ex_resolve_operands (
*/
/*lint -fallthrough */
case ARGI_REFERENCE: /* References: */
case ARGI_REFERENCE: /* References: */
case ARGI_INTEGER_REF:
case ARGI_OBJECT_REF:
case ARGI_DEVICE_REF:
case ARGI_TARGETREF: /* Allows implicit conversion rules before store */
case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */
case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */
case ARGI_TARGETREF: /* Allows implicit conversion rules before store */
case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */
case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */
/*
* Need an operand of type ACPI_TYPE_LOCAL_REFERENCE
* A Namespace Node is OK as-is
*/
if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_NAMED) {
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) ==
ACPI_DESC_TYPE_NAMED) {
goto next_operand;
}
status = acpi_ex_check_object_type (ACPI_TYPE_LOCAL_REFERENCE,
object_type, obj_desc);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status =
acpi_ex_check_object_type(ACPI_TYPE_LOCAL_REFERENCE,
object_type, obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
if (obj_desc->reference.opcode == AML_NAME_OP) {
/* Convert a named reference to the actual named object */
temp_node = obj_desc->reference.object;
acpi_ut_remove_reference (obj_desc);
acpi_ut_remove_reference(obj_desc);
(*stack_ptr) = temp_node;
}
goto next_operand;
case ARGI_DATAREFOBJ: /* Store operator only */
case ARGI_DATAREFOBJ: /* Store operator only */
/*
* We don't want to resolve index_op reference objects during
@@ -337,8 +335,10 @@ acpi_ex_resolve_operands (
* -- All others must be resolved below.
*/
if ((opcode == AML_STORE_OP) &&
(ACPI_GET_OBJECT_TYPE (*stack_ptr) == ACPI_TYPE_LOCAL_REFERENCE) &&
((*stack_ptr)->reference.opcode == AML_INDEX_OP)) {
(ACPI_GET_OBJECT_TYPE(*stack_ptr) ==
ACPI_TYPE_LOCAL_REFERENCE)
&& ((*stack_ptr)->reference.opcode ==
AML_INDEX_OP)) {
goto next_operand;
}
break;
@@ -351,9 +351,9 @@ acpi_ex_resolve_operands (
/*
* Resolve this object to a value
*/
status = acpi_ex_resolve_to_value (stack_ptr, walk_state);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status = acpi_ex_resolve_to_value(stack_ptr, walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Get the resolved object */
@@ -364,10 +364,10 @@ acpi_ex_resolve_operands (
* Check the resulting object (value) type
*/
switch (this_arg_type) {
/*
* For the simple cases, only one type of resolved object
* is allowed
*/
/*
* For the simple cases, only one type of resolved object
* is allowed
*/
case ARGI_MUTEX:
/* Need an operand of type ACPI_TYPE_MUTEX */
@@ -382,7 +382,7 @@ acpi_ex_resolve_operands (
type_needed = ACPI_TYPE_EVENT;
break;
case ARGI_PACKAGE: /* Package */
case ARGI_PACKAGE: /* Package */
/* Need an operand of type ACPI_TYPE_PACKAGE */
@@ -403,10 +403,9 @@ acpi_ex_resolve_operands (
type_needed = ACPI_TYPE_LOCAL_REFERENCE;
break;
/*
* The more complex cases allow multiple resolved object types
*/
/*
* The more complex cases allow multiple resolved object types
*/
case ARGI_INTEGER:
/*
@@ -414,25 +413,27 @@ acpi_ex_resolve_operands (
* But we can implicitly convert from a STRING or BUFFER
* Aka - "Implicit Source Operand Conversion"
*/
status = acpi_ex_convert_to_integer (obj_desc, stack_ptr, 16);
if (ACPI_FAILURE (status)) {
status =
acpi_ex_convert_to_integer(obj_desc, stack_ptr, 16);
if (ACPI_FAILURE(status)) {
if (status == AE_TYPE) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Needed [Integer/String/Buffer], found [%s] %p\n",
acpi_ut_get_object_type_name (obj_desc), obj_desc));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Needed [Integer/String/Buffer], found [%s] %p\n",
acpi_ut_get_object_type_name
(obj_desc),
obj_desc));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
if (obj_desc != *stack_ptr) {
acpi_ut_remove_reference (obj_desc);
acpi_ut_remove_reference(obj_desc);
}
goto next_operand;
case ARGI_BUFFER:
/*
@@ -440,25 +441,26 @@ acpi_ex_resolve_operands (
* But we can implicitly convert from a STRING or INTEGER
* Aka - "Implicit Source Operand Conversion"
*/
status = acpi_ex_convert_to_buffer (obj_desc, stack_ptr);
if (ACPI_FAILURE (status)) {
status = acpi_ex_convert_to_buffer(obj_desc, stack_ptr);
if (ACPI_FAILURE(status)) {
if (status == AE_TYPE) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Needed [Integer/String/Buffer], found [%s] %p\n",
acpi_ut_get_object_type_name (obj_desc), obj_desc));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Needed [Integer/String/Buffer], found [%s] %p\n",
acpi_ut_get_object_type_name
(obj_desc),
obj_desc));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
if (obj_desc != *stack_ptr) {
acpi_ut_remove_reference (obj_desc);
acpi_ut_remove_reference(obj_desc);
}
goto next_operand;
case ARGI_STRING:
/*
@@ -466,83 +468,86 @@ acpi_ex_resolve_operands (
* But we can implicitly convert from a BUFFER or INTEGER
* Aka - "Implicit Source Operand Conversion"
*/
status = acpi_ex_convert_to_string (obj_desc, stack_ptr,
ACPI_IMPLICIT_CONVERT_HEX);
if (ACPI_FAILURE (status)) {
status = acpi_ex_convert_to_string(obj_desc, stack_ptr,
ACPI_IMPLICIT_CONVERT_HEX);
if (ACPI_FAILURE(status)) {
if (status == AE_TYPE) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Needed [Integer/String/Buffer], found [%s] %p\n",
acpi_ut_get_object_type_name (obj_desc), obj_desc));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Needed [Integer/String/Buffer], found [%s] %p\n",
acpi_ut_get_object_type_name
(obj_desc),
obj_desc));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
if (obj_desc != *stack_ptr) {
acpi_ut_remove_reference (obj_desc);
acpi_ut_remove_reference(obj_desc);
}
goto next_operand;
case ARGI_COMPUTEDATA:
/* Need an operand of type INTEGER, STRING or BUFFER */
switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
/* Valid operand */
break;
break;
default:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Needed [Integer/String/Buffer], found [%s] %p\n",
acpi_ut_get_object_type_name (obj_desc), obj_desc));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Needed [Integer/String/Buffer], found [%s] %p\n",
acpi_ut_get_object_type_name
(obj_desc), obj_desc));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
goto next_operand;
case ARGI_BUFFER_OR_STRING:
/* Need an operand of type STRING or BUFFER */
switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
/* Valid operand */
break;
break;
case ACPI_TYPE_INTEGER:
/* Highest priority conversion is to type Buffer */
status = acpi_ex_convert_to_buffer (obj_desc, stack_ptr);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status =
acpi_ex_convert_to_buffer(obj_desc,
stack_ptr);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
if (obj_desc != *stack_ptr) {
acpi_ut_remove_reference (obj_desc);
acpi_ut_remove_reference(obj_desc);
}
break;
default:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Needed [Integer/String/Buffer], found [%s] %p\n",
acpi_ut_get_object_type_name (obj_desc), obj_desc));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Needed [Integer/String/Buffer], found [%s] %p\n",
acpi_ut_get_object_type_name
(obj_desc), obj_desc));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
goto next_operand;
case ARGI_DATAOBJECT:
/*
* ARGI_DATAOBJECT is only used by the size_of operator.
@@ -551,7 +556,7 @@ acpi_ex_resolve_operands (
* The only reference allowed here is a direct reference to
* a namespace node.
*/
switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_PACKAGE:
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
@@ -561,20 +566,20 @@ acpi_ex_resolve_operands (
break;
default:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Needed [Buffer/String/Package/Reference], found [%s] %p\n",
acpi_ut_get_object_type_name (obj_desc), obj_desc));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Needed [Buffer/String/Package/Reference], found [%s] %p\n",
acpi_ut_get_object_type_name
(obj_desc), obj_desc));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
goto next_operand;
case ARGI_COMPLEXOBJ:
/* Need a buffer or package or (ACPI 2.0) String */
switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_PACKAGE:
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
@@ -583,20 +588,20 @@ acpi_ex_resolve_operands (
break;
default:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Needed [Buffer/String/Package], found [%s] %p\n",
acpi_ut_get_object_type_name (obj_desc), obj_desc));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Needed [Buffer/String/Package], found [%s] %p\n",
acpi_ut_get_object_type_name
(obj_desc), obj_desc));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
goto next_operand;
case ARGI_REGION_OR_FIELD:
/* Need an operand of type REGION or a FIELD in a region */
switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_REGION:
case ACPI_TYPE_LOCAL_REGION_FIELD:
case ACPI_TYPE_LOCAL_BANK_FIELD:
@@ -606,20 +611,20 @@ acpi_ex_resolve_operands (
break;
default:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Needed [Region/region_field], found [%s] %p\n",
acpi_ut_get_object_type_name (obj_desc), obj_desc));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Needed [Region/region_field], found [%s] %p\n",
acpi_ut_get_object_type_name
(obj_desc), obj_desc));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
goto next_operand;
case ARGI_DATAREFOBJ:
/* Used by the Store() operator only */
switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_PACKAGE:
case ACPI_TYPE_STRING:
@@ -651,47 +656,46 @@ acpi_ex_resolve_operands (
break;
}
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p\n",
acpi_ut_get_object_type_name (obj_desc), obj_desc));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p\n",
acpi_ut_get_object_type_name
(obj_desc), obj_desc));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
goto next_operand;
default:
/* Unknown type */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Internal - Unknown ARGI (required operand) type %X\n",
this_arg_type));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Internal - Unknown ARGI (required operand) type %X\n",
this_arg_type));
return_ACPI_STATUS (AE_BAD_PARAMETER);
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/*
* Make sure that the original object was resolved to the
* required object type (Simple cases only).
*/
status = acpi_ex_check_object_type (type_needed,
ACPI_GET_OBJECT_TYPE (*stack_ptr), *stack_ptr);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status = acpi_ex_check_object_type(type_needed,
ACPI_GET_OBJECT_TYPE
(*stack_ptr), *stack_ptr);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
next_operand:
next_operand:
/*
* If more operands needed, decrement stack_ptr to point
* to next operand on stack
*/
if (GET_CURRENT_ARG_TYPE (arg_types)) {
if (GET_CURRENT_ARG_TYPE(arg_types)) {
stack_ptr--;
}
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}

413
drivers/acpi/executer/exstore.c
查看文件

@@ -42,7 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acdispat.h>
#include <acpi/acinterp.h>
@@ -50,24 +49,18 @@
#include <acpi/acnamesp.h>
#include <acpi/acparser.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exstore")
ACPI_MODULE_NAME("exstore")
/* Local prototypes */
static void
acpi_ex_do_debug_object (
union acpi_operand_object *source_desc,
u32 level,
u32 index);
acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
u32 level, u32 index);
static acpi_status
acpi_ex_store_object_to_index (
union acpi_operand_object *val_desc,
union acpi_operand_object *dest_desc,
struct acpi_walk_state *walk_state);
acpi_ex_store_object_to_index(union acpi_operand_object *val_desc,
union acpi_operand_object *dest_desc,
struct acpi_walk_state *walk_state);
/*******************************************************************************
*
@@ -84,136 +77,146 @@ acpi_ex_store_object_to_index (
******************************************************************************/
static void
acpi_ex_do_debug_object (
union acpi_operand_object *source_desc,
u32 level,
u32 index)
acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
u32 level, u32 index)
{
u32 i;
u32 i;
ACPI_FUNCTION_TRACE_PTR("ex_do_debug_object", source_desc);
ACPI_FUNCTION_TRACE_PTR ("ex_do_debug_object", source_desc);
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s",
level, " "));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s",
level, " "));
/* Display index for package output only */
if (index > 0) {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
"(%.2u) ", index -1));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
"(%.2u) ", index - 1));
}
if (!source_desc) {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "<Null Object>\n"));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "<Null Object>\n"));
return_VOID;
}
if (ACPI_GET_DESCRIPTOR_TYPE (source_desc) == ACPI_DESC_TYPE_OPERAND) {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: ",
acpi_ut_get_object_type_name (source_desc)));
if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%s: ",
acpi_ut_get_object_type_name
(source_desc)));
if (!acpi_ut_valid_internal_object (source_desc)) {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
"%p, Invalid Internal Object!\n", source_desc));
return_VOID;
if (!acpi_ut_valid_internal_object(source_desc)) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
"%p, Invalid Internal Object!\n",
source_desc));
return_VOID;
}
}
else if (ACPI_GET_DESCRIPTOR_TYPE (source_desc) == ACPI_DESC_TYPE_NAMED) {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: %p\n",
acpi_ut_get_type_name (((struct acpi_namespace_node *) source_desc)->type),
source_desc));
} else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) ==
ACPI_DESC_TYPE_NAMED) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%s: %p\n",
acpi_ut_get_type_name(((struct
acpi_namespace_node
*)source_desc)->
type),
source_desc));
return_VOID;
}
else {
} else {
return_VOID;
}
switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
switch (ACPI_GET_OBJECT_TYPE(source_desc)) {
case ACPI_TYPE_INTEGER:
/* Output correct integer width */
if (acpi_gbl_integer_byte_width == 4) {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n",
(u32) source_desc->integer.value));
}
else {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n",
ACPI_FORMAT_UINT64 (source_desc->integer.value)));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n",
(u32) source_desc->integer.
value));
} else {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
"0x%8.8X%8.8X\n",
ACPI_FORMAT_UINT64(source_desc->
integer.
value)));
}
break;
case ACPI_TYPE_BUFFER:
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]\n",
(u32) source_desc->buffer.length));
ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
(source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]\n",
(u32) source_desc->buffer.length));
ACPI_DUMP_BUFFER(source_desc->buffer.pointer,
(source_desc->buffer.length <
32) ? source_desc->buffer.length : 32);
break;
case ACPI_TYPE_STRING:
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n",
source_desc->string.length, source_desc->string.pointer));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n",
source_desc->string.length,
source_desc->string.pointer));
break;
case ACPI_TYPE_PACKAGE:
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X Elements]\n",
source_desc->package.count));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
"[0x%.2X Elements]\n",
source_desc->package.count));
/* Output the entire contents of the package */
for (i = 0; i < source_desc->package.count; i++) {
acpi_ex_do_debug_object (source_desc->package.elements[i],
level+4, i+1);
acpi_ex_do_debug_object(source_desc->package.
elements[i], level + 4, i + 1);
}
break;
case ACPI_TYPE_LOCAL_REFERENCE:
if (source_desc->reference.opcode == AML_INDEX_OP) {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s, 0x%X]\n",
acpi_ps_get_opcode_name (source_desc->reference.opcode),
source_desc->reference.offset));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
"[%s, 0x%X]\n",
acpi_ps_get_opcode_name
(source_desc->reference.opcode),
source_desc->reference.offset));
} else {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[%s]\n",
acpi_ps_get_opcode_name
(source_desc->reference.opcode)));
}
else {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s]\n",
acpi_ps_get_opcode_name (source_desc->reference.opcode)));
}
if (source_desc->reference.object) {
if (ACPI_GET_DESCRIPTOR_TYPE (source_desc->reference.object) ==
ACPI_DESC_TYPE_NAMED) {
acpi_ex_do_debug_object (((struct acpi_namespace_node *)
source_desc->reference.object)->object,
level+4, 0);
if (ACPI_GET_DESCRIPTOR_TYPE
(source_desc->reference.object) ==
ACPI_DESC_TYPE_NAMED) {
acpi_ex_do_debug_object(((struct
acpi_namespace_node *)
source_desc->reference.
object)->object,
level + 4, 0);
} else {
acpi_ex_do_debug_object(source_desc->reference.
object, level + 4, 0);
}
else {
acpi_ex_do_debug_object (source_desc->reference.object, level+4, 0);
}
}
else if (source_desc->reference.node) {
acpi_ex_do_debug_object ((source_desc->reference.node)->object,
level+4, 0);
} else if (source_desc->reference.node) {
acpi_ex_do_debug_object((source_desc->reference.node)->
object, level + 4, 0);
}
break;
default:
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p %s\n",
source_desc, acpi_ut_get_object_type_name (source_desc)));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%p %s\n",
source_desc,
acpi_ut_get_object_type_name
(source_desc)));
break;
}
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n"));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n"));
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_store
@@ -235,42 +238,41 @@ acpi_ex_do_debug_object (
******************************************************************************/
acpi_status
acpi_ex_store (
union acpi_operand_object *source_desc,
union acpi_operand_object *dest_desc,
struct acpi_walk_state *walk_state)
acpi_ex_store(union acpi_operand_object *source_desc,
union acpi_operand_object *dest_desc,
struct acpi_walk_state *walk_state)
{
acpi_status status = AE_OK;
union acpi_operand_object *ref_desc = dest_desc;
ACPI_FUNCTION_TRACE_PTR ("ex_store", dest_desc);
acpi_status status = AE_OK;
union acpi_operand_object *ref_desc = dest_desc;
ACPI_FUNCTION_TRACE_PTR("ex_store", dest_desc);
/* Validate parameters */
if (!source_desc || !dest_desc) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null parameter\n"));
return_ACPI_STATUS (AE_AML_NO_OPERAND);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Null parameter\n"));
return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
/* dest_desc can be either a namespace node or an ACPI object */
if (ACPI_GET_DESCRIPTOR_TYPE (dest_desc) == ACPI_DESC_TYPE_NAMED) {
if (ACPI_GET_DESCRIPTOR_TYPE(dest_desc) == ACPI_DESC_TYPE_NAMED) {
/*
* Dest is a namespace node,
* Storing an object into a Named node.
*/
status = acpi_ex_store_object_to_node (source_desc,
(struct acpi_namespace_node *) dest_desc, walk_state,
ACPI_IMPLICIT_CONVERSION);
status = acpi_ex_store_object_to_node(source_desc,
(struct
acpi_namespace_node *)
dest_desc, walk_state,
ACPI_IMPLICIT_CONVERSION);
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/* Destination object must be a Reference or a Constant object */
switch (ACPI_GET_OBJECT_TYPE (dest_desc)) {
switch (ACPI_GET_OBJECT_TYPE(dest_desc)) {
case ACPI_TYPE_LOCAL_REFERENCE:
break;
@@ -279,7 +281,7 @@ acpi_ex_store (
/* Allow stores to Constants -- a Noop as per ACPI spec */
if (dest_desc->common.flags & AOPOBJ_AML_CONSTANT) {
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
/*lint -fallthrough */
@@ -288,16 +290,18 @@ acpi_ex_store (
/* Destination is not a Reference object */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Target is not a Reference or Constant object - %s [%p]\n",
acpi_ut_get_object_type_name (dest_desc), dest_desc));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Target is not a Reference or Constant object - %s [%p]\n",
acpi_ut_get_object_type_name(dest_desc),
dest_desc));
ACPI_DUMP_STACK_ENTRY (source_desc);
ACPI_DUMP_STACK_ENTRY (dest_desc);
ACPI_DUMP_OPERANDS (&dest_desc, ACPI_IMODE_EXECUTE, "ex_store",
2, "Target is not a Reference or Constant object");
ACPI_DUMP_STACK_ENTRY(source_desc);
ACPI_DUMP_STACK_ENTRY(dest_desc);
ACPI_DUMP_OPERANDS(&dest_desc, ACPI_IMODE_EXECUTE, "ex_store",
2,
"Target is not a Reference or Constant object");
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/*
@@ -314,58 +318,59 @@ acpi_ex_store (
/* Storing an object into a Name "container" */
status = acpi_ex_store_object_to_node (source_desc,
ref_desc->reference.object,
walk_state, ACPI_IMPLICIT_CONVERSION);
status = acpi_ex_store_object_to_node(source_desc,
ref_desc->reference.
object, walk_state,
ACPI_IMPLICIT_CONVERSION);
break;
case AML_INDEX_OP:
/* Storing to an Index (pointer into a packager or buffer) */
status = acpi_ex_store_object_to_index (source_desc, ref_desc, walk_state);
status =
acpi_ex_store_object_to_index(source_desc, ref_desc,
walk_state);
break;
case AML_LOCAL_OP:
case AML_ARG_OP:
/* Store to a method local/arg */
status = acpi_ds_store_object_to_local (ref_desc->reference.opcode,
ref_desc->reference.offset, source_desc, walk_state);
status =
acpi_ds_store_object_to_local(ref_desc->reference.opcode,
ref_desc->reference.offset,
source_desc, walk_state);
break;
case AML_DEBUG_OP:
/*
* Storing to the Debug object causes the value stored to be
* displayed and otherwise has no effect -- see ACPI Specification
*/
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"**** Write to Debug Object: Object %p %s ****:\n\n",
source_desc, acpi_ut_get_object_type_name (source_desc)));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"**** Write to Debug Object: Object %p %s ****:\n\n",
source_desc,
acpi_ut_get_object_type_name(source_desc)));
acpi_ex_do_debug_object (source_desc, 0, 0);
acpi_ex_do_debug_object(source_desc, 0, 0);
break;
default:
ACPI_REPORT_ERROR (("ex_store: Unknown Reference opcode %X\n",
ref_desc->reference.opcode));
ACPI_DUMP_ENTRY (ref_desc, ACPI_LV_ERROR);
ACPI_REPORT_ERROR(("ex_store: Unknown Reference opcode %X\n",
ref_desc->reference.opcode));
ACPI_DUMP_ENTRY(ref_desc, ACPI_LV_ERROR);
status = AE_AML_INTERNAL;
break;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_store_object_to_index
@@ -381,20 +386,17 @@ acpi_ex_store (
******************************************************************************/
static acpi_status
acpi_ex_store_object_to_index (
union acpi_operand_object *source_desc,
union acpi_operand_object *index_desc,
struct acpi_walk_state *walk_state)
acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
union acpi_operand_object *index_desc,
struct acpi_walk_state *walk_state)
{
acpi_status status = AE_OK;
union acpi_operand_object *obj_desc;
union acpi_operand_object *new_desc;
u8 value = 0;
u32 i;
ACPI_FUNCTION_TRACE ("ex_store_object_to_index");
acpi_status status = AE_OK;
union acpi_operand_object *obj_desc;
union acpi_operand_object *new_desc;
u8 value = 0;
u32 i;
ACPI_FUNCTION_TRACE("ex_store_object_to_index");
/*
* Destination must be a reference pointer, and
@@ -413,19 +415,20 @@ acpi_ex_store_object_to_index (
*/
obj_desc = *(index_desc->reference.where);
status = acpi_ut_copy_iobject_to_iobject (source_desc, &new_desc, walk_state);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status =
acpi_ut_copy_iobject_to_iobject(source_desc, &new_desc,
walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
if (obj_desc) {
/* Decrement reference count by the ref count of the parent package */
for (i = 0;
i < ((union acpi_operand_object *)
index_desc->reference.object)->common.reference_count;
i++) {
acpi_ut_remove_reference (obj_desc);
for (i = 0; i < ((union acpi_operand_object *)
index_desc->reference.object)->common.
reference_count; i++) {
acpi_ut_remove_reference(obj_desc);
}
}
@@ -433,16 +436,14 @@ acpi_ex_store_object_to_index (
/* Increment ref count by the ref count of the parent package-1 */
for (i = 1;
i < ((union acpi_operand_object *)
index_desc->reference.object)->common.reference_count;
i++) {
acpi_ut_add_reference (new_desc);
for (i = 1; i < ((union acpi_operand_object *)
index_desc->reference.object)->common.
reference_count; i++) {
acpi_ut_add_reference(new_desc);
}
break;
case ACPI_TYPE_BUFFER_FIELD:
/*
@@ -460,16 +461,16 @@ acpi_ex_store_object_to_index (
* by the INDEX_OP code.
*/
obj_desc = index_desc->reference.object;
if ((ACPI_GET_OBJECT_TYPE (obj_desc) != ACPI_TYPE_BUFFER) &&
(ACPI_GET_OBJECT_TYPE (obj_desc) != ACPI_TYPE_STRING)) {
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
if ((ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_BUFFER) &&
(ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_STRING)) {
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/*
* The assignment of the individual elements will be slightly
* different for each source type.
*/
switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
switch (ACPI_GET_OBJECT_TYPE(source_desc)) {
case ACPI_TYPE_INTEGER:
/* Use the least-significant byte of the integer */
@@ -489,10 +490,11 @@ acpi_ex_store_object_to_index (
/* All other types are invalid */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Source must be Integer/Buffer/String type, not %s\n",
acpi_ut_get_object_type_name (source_desc)));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Source must be Integer/Buffer/String type, not %s\n",
acpi_ut_get_object_type_name
(source_desc)));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/* Store the source value into the target buffer byte */
@@ -500,18 +502,16 @@ acpi_ex_store_object_to_index (
obj_desc->buffer.pointer[index_desc->reference.offset] = value;
break;
default:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Target is not a Package or buffer_field\n"));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Target is not a Package or buffer_field\n"));
status = AE_AML_OPERAND_TYPE;
break;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_store_object_to_node
@@ -539,37 +539,35 @@ acpi_ex_store_object_to_index (
******************************************************************************/
acpi_status
acpi_ex_store_object_to_node (
union acpi_operand_object *source_desc,
struct acpi_namespace_node *node,
struct acpi_walk_state *walk_state,
u8 implicit_conversion)
acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
struct acpi_namespace_node *node,
struct acpi_walk_state *walk_state,
u8 implicit_conversion)
{
acpi_status status = AE_OK;
union acpi_operand_object *target_desc;
union acpi_operand_object *new_desc;
acpi_object_type target_type;
ACPI_FUNCTION_TRACE_PTR ("ex_store_object_to_node", source_desc);
acpi_status status = AE_OK;
union acpi_operand_object *target_desc;
union acpi_operand_object *new_desc;
acpi_object_type target_type;
ACPI_FUNCTION_TRACE_PTR("ex_store_object_to_node", source_desc);
/* Get current type of the node, and object attached to Node */
target_type = acpi_ns_get_type (node);
target_desc = acpi_ns_get_attached_object (node);
target_type = acpi_ns_get_type(node);
target_desc = acpi_ns_get_attached_object(node);
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Storing %p(%s) into node %p(%s)\n",
source_desc, acpi_ut_get_object_type_name (source_desc),
node, acpi_ut_get_type_name (target_type)));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Storing %p(%s) into node %p(%s)\n",
source_desc,
acpi_ut_get_object_type_name(source_desc), node,
acpi_ut_get_type_name(target_type)));
/*
* Resolve the source object to an actual value
* (If it is a reference object)
*/
status = acpi_ex_resolve_object (&source_desc, target_type, walk_state);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status = acpi_ex_resolve_object(&source_desc, target_type, walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* If no implicit conversion, drop into the default case below */
@@ -590,11 +588,10 @@ acpi_ex_store_object_to_node (
/* For fields, copy the source data to the target field. */
status = acpi_ex_write_data_to_field (source_desc, target_desc,
&walk_state->result_obj);
status = acpi_ex_write_data_to_field(source_desc, target_desc,
&walk_state->result_obj);
break;
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
@@ -605,10 +602,11 @@ acpi_ex_store_object_to_node (
*
* Copy and/or convert the source object to a new target object
*/
status = acpi_ex_store_object_to_object (source_desc, target_desc,
&new_desc, walk_state);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status =
acpi_ex_store_object_to_object(source_desc, target_desc,
&new_desc, walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
if (new_desc != target_desc) {
@@ -621,30 +619,33 @@ acpi_ex_store_object_to_node (
* has been performed such that the node/object type has been
* changed.
*/
status = acpi_ns_attach_object (node, new_desc, new_desc->common.type);
status =
acpi_ns_attach_object(node, new_desc,
new_desc->common.type);
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"Store %s into %s via Convert/Attach\n",
acpi_ut_get_object_type_name (source_desc),
acpi_ut_get_object_type_name (new_desc)));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Store %s into %s via Convert/Attach\n",
acpi_ut_get_object_type_name
(source_desc),
acpi_ut_get_object_type_name
(new_desc)));
}
break;
default:
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"Storing %s (%p) directly into node (%p) with no implicit conversion\n",
acpi_ut_get_object_type_name (source_desc), source_desc, node));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Storing %s (%p) directly into node (%p) with no implicit conversion\n",
acpi_ut_get_object_type_name(source_desc),
source_desc, node));
/* No conversions for all other types. Just attach the source object */
status = acpi_ns_attach_object (node, source_desc,
ACPI_GET_OBJECT_TYPE (source_desc));
status = acpi_ns_attach_object(node, source_desc,
ACPI_GET_OBJECT_TYPE
(source_desc));
break;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}

121
drivers/acpi/executer/exstoren.c
查看文件

@@ -43,15 +43,12 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/amlcode.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exstoren")
ACPI_MODULE_NAME("exstoren")
/*******************************************************************************
*
@@ -67,19 +64,15 @@
* it and return the actual object in the source_desc_ptr.
*
******************************************************************************/
acpi_status
acpi_ex_resolve_object (
union acpi_operand_object **source_desc_ptr,
acpi_object_type target_type,
struct acpi_walk_state *walk_state)
acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
acpi_object_type target_type,
struct acpi_walk_state *walk_state)
{
union acpi_operand_object *source_desc = *source_desc_ptr;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE ("ex_resolve_object");
union acpi_operand_object *source_desc = *source_desc_ptr;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE("ex_resolve_object");
/* Ensure we have a Target that can be stored to */
@@ -102,11 +95,14 @@ acpi_ex_resolve_object (
* are all essentially the same. This case handles the
* "interchangeable" types Integer, String, and Buffer.
*/
if (ACPI_GET_OBJECT_TYPE (source_desc) == ACPI_TYPE_LOCAL_REFERENCE) {
if (ACPI_GET_OBJECT_TYPE(source_desc) ==
ACPI_TYPE_LOCAL_REFERENCE) {
/* Resolve a reference object first */
status = acpi_ex_resolve_to_value (source_desc_ptr, walk_state);
if (ACPI_FAILURE (status)) {
status =
acpi_ex_resolve_to_value(source_desc_ptr,
walk_state);
if (ACPI_FAILURE(status)) {
break;
}
}
@@ -119,31 +115,32 @@ acpi_ex_resolve_object (
/* Must have a Integer, Buffer, or String */
if ((ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_INTEGER) &&
(ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) &&
(ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_STRING) &&
!((ACPI_GET_OBJECT_TYPE (source_desc) == ACPI_TYPE_LOCAL_REFERENCE) && (source_desc->reference.opcode == AML_LOAD_OP))) {
if ((ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_INTEGER) &&
(ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_BUFFER) &&
(ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_STRING) &&
!((ACPI_GET_OBJECT_TYPE(source_desc) ==
ACPI_TYPE_LOCAL_REFERENCE)
&& (source_desc->reference.opcode == AML_LOAD_OP))) {
/* Conversion successful but still not a valid type */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Cannot assign type %s to %s (must be type Int/Str/Buf)\n",
acpi_ut_get_object_type_name (source_desc),
acpi_ut_get_type_name (target_type)));
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Cannot assign type %s to %s (must be type Int/Str/Buf)\n",
acpi_ut_get_object_type_name
(source_desc),
acpi_ut_get_type_name(target_type)));
status = AE_AML_OPERAND_TYPE;
}
break;
case ACPI_TYPE_LOCAL_ALIAS:
case ACPI_TYPE_LOCAL_METHOD_ALIAS:
/* Aliases are resolved by acpi_ex_prep_operands */
ACPI_REPORT_ERROR (("Store into Alias - should never happen\n"));
ACPI_REPORT_ERROR(("Store into Alias - should never happen\n"));
status = AE_AML_INTERNAL;
break;
case ACPI_TYPE_PACKAGE:
default:
@@ -154,10 +151,9 @@ acpi_ex_resolve_object (
break;
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_store_object_to_object
@@ -194,18 +190,15 @@ acpi_ex_resolve_object (
******************************************************************************/
acpi_status
acpi_ex_store_object_to_object (
union acpi_operand_object *source_desc,
union acpi_operand_object *dest_desc,
union acpi_operand_object **new_desc,
struct acpi_walk_state *walk_state)
acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
union acpi_operand_object *dest_desc,
union acpi_operand_object **new_desc,
struct acpi_walk_state *walk_state)
{
union acpi_operand_object *actual_src_desc;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE_PTR ("ex_store_object_to_object", source_desc);
union acpi_operand_object *actual_src_desc;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE_PTR("ex_store_object_to_object", source_desc);
actual_src_desc = source_desc;
if (!dest_desc) {
@@ -214,11 +207,14 @@ acpi_ex_store_object_to_object (
* package element), so we can simply copy the source object
* creating a new destination object
*/
status = acpi_ut_copy_iobject_to_iobject (actual_src_desc, new_desc, walk_state);
return_ACPI_STATUS (status);
status =
acpi_ut_copy_iobject_to_iobject(actual_src_desc, new_desc,
walk_state);
return_ACPI_STATUS(status);
}
if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_GET_OBJECT_TYPE (dest_desc)) {
if (ACPI_GET_OBJECT_TYPE(source_desc) !=
ACPI_GET_OBJECT_TYPE(dest_desc)) {
/*
* The source type does not match the type of the destination.
* Perform the "implicit conversion" of the source to the current type
@@ -228,10 +224,13 @@ acpi_ex_store_object_to_object (
* Otherwise, actual_src_desc is a temporary object to hold the
* converted object.
*/
status = acpi_ex_convert_to_target_type (ACPI_GET_OBJECT_TYPE (dest_desc),
source_desc, &actual_src_desc, walk_state);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
status =
acpi_ex_convert_to_target_type(ACPI_GET_OBJECT_TYPE
(dest_desc), source_desc,
&actual_src_desc,
walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
if (source_desc == actual_src_desc) {
@@ -240,7 +239,7 @@ acpi_ex_store_object_to_object (
* new object.
*/
*new_desc = source_desc;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
}
@@ -248,38 +247,42 @@ acpi_ex_store_object_to_object (
* We now have two objects of identical types, and we can perform a
* copy of the *value* of the source object.
*/
switch (ACPI_GET_OBJECT_TYPE (dest_desc)) {
switch (ACPI_GET_OBJECT_TYPE(dest_desc)) {
case ACPI_TYPE_INTEGER:
dest_desc->integer.value = actual_src_desc->integer.value;
/* Truncate value if we are executing from a 32-bit ACPI table */
acpi_ex_truncate_for32bit_table (dest_desc);
acpi_ex_truncate_for32bit_table(dest_desc);
break;
case ACPI_TYPE_STRING:
status = acpi_ex_store_string_to_string (actual_src_desc, dest_desc);
status =
acpi_ex_store_string_to_string(actual_src_desc, dest_desc);
break;
case ACPI_TYPE_BUFFER:
status = acpi_ex_store_buffer_to_buffer (actual_src_desc, dest_desc);
status =
acpi_ex_store_buffer_to_buffer(actual_src_desc, dest_desc);
break;
case ACPI_TYPE_PACKAGE:
status = acpi_ut_copy_iobject_to_iobject (actual_src_desc, &dest_desc,
walk_state);
status =
acpi_ut_copy_iobject_to_iobject(actual_src_desc, &dest_desc,
walk_state);
break;
default:
/*
* All other types come here.
*/
ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Store into type %s not implemented\n",
acpi_ut_get_object_type_name (dest_desc)));
ACPI_DEBUG_PRINT((ACPI_DB_WARN,
"Store into type %s not implemented\n",
acpi_ut_get_object_type_name(dest_desc)));
status = AE_NOT_IMPLEMENTED;
break;
@@ -288,11 +291,9 @@ acpi_ex_store_object_to_object (
if (actual_src_desc != source_desc) {
/* Delete the intermediate (temporary) source object */
acpi_ut_remove_reference (actual_src_desc);
acpi_ut_remove_reference(actual_src_desc);
}
*new_desc = dest_desc;
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}

86
drivers/acpi/executer/exstorob.c
查看文件

@@ -42,14 +42,11 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exstorob")
ACPI_MODULE_NAME("exstorob")
/*******************************************************************************
*
@@ -63,18 +60,14 @@
* DESCRIPTION: Copy a buffer object to another buffer object.
*
******************************************************************************/
acpi_status
acpi_ex_store_buffer_to_buffer (
union acpi_operand_object *source_desc,
union acpi_operand_object *target_desc)
acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
union acpi_operand_object *target_desc)
{
u32 length;
u8 *buffer;
ACPI_FUNCTION_TRACE_PTR ("ex_store_buffer_to_buffer", source_desc);
u32 length;
u8 *buffer;
ACPI_FUNCTION_TRACE_PTR("ex_store_buffer_to_buffer", source_desc);
/* We know that source_desc is a buffer by now */
@@ -86,10 +79,10 @@ acpi_ex_store_buffer_to_buffer (
* allocate a new buffer of the proper length
*/
if ((target_desc->buffer.length == 0) ||
(target_desc->common.flags & AOPOBJ_STATIC_POINTER)) {
target_desc->buffer.pointer = ACPI_MEM_ALLOCATE (length);
(target_desc->common.flags & AOPOBJ_STATIC_POINTER)) {
target_desc->buffer.pointer = ACPI_MEM_ALLOCATE(length);
if (!target_desc->buffer.pointer) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
target_desc->buffer.length = length;
@@ -100,8 +93,9 @@ acpi_ex_store_buffer_to_buffer (
if (length <= target_desc->buffer.length) {
/* Clear existing buffer and copy in the new one */
ACPI_MEMSET (target_desc->buffer.pointer, 0, target_desc->buffer.length);
ACPI_MEMCPY (target_desc->buffer.pointer, buffer, length);
ACPI_MEMSET(target_desc->buffer.pointer, 0,
target_desc->buffer.length);
ACPI_MEMCPY(target_desc->buffer.pointer, buffer, length);
#ifdef ACPI_OBSOLETE_BEHAVIOR
/*
@@ -124,26 +118,24 @@ acpi_ex_store_buffer_to_buffer (
target_desc->buffer.length = length;
}
#endif
}
else {
} else {
/* Truncate the source, copy only what will fit */
ACPI_MEMCPY (target_desc->buffer.pointer, buffer,
target_desc->buffer.length);
ACPI_MEMCPY(target_desc->buffer.pointer, buffer,
target_desc->buffer.length);
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"Truncating source buffer from %X to %X\n",
length, target_desc->buffer.length));
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Truncating source buffer from %X to %X\n",
length, target_desc->buffer.length));
}
/* Copy flags */
target_desc->buffer.flags = source_desc->buffer.flags;
target_desc->common.flags &= ~AOPOBJ_STATIC_POINTER;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_store_string_to_string
@@ -158,16 +150,13 @@ acpi_ex_store_buffer_to_buffer (
******************************************************************************/
acpi_status
acpi_ex_store_string_to_string (
union acpi_operand_object *source_desc,
union acpi_operand_object *target_desc)
acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
union acpi_operand_object *target_desc)
{
u32 length;
u8 *buffer;
ACPI_FUNCTION_TRACE_PTR ("ex_store_string_to_string", source_desc);
u32 length;
u8 *buffer;
ACPI_FUNCTION_TRACE_PTR("ex_store_string_to_string", source_desc);
/* We know that source_desc is a string by now */
@@ -179,41 +168,38 @@ acpi_ex_store_string_to_string (
* pointer is not a static pointer (part of an ACPI table)
*/
if ((length < target_desc->string.length) &&
(!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
(!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
/*
* String will fit in existing non-static buffer.
* Clear old string and copy in the new one
*/
ACPI_MEMSET (target_desc->string.pointer, 0,
(acpi_size) target_desc->string.length + 1);
ACPI_MEMCPY (target_desc->string.pointer, buffer, length);
}
else {
ACPI_MEMSET(target_desc->string.pointer, 0,
(acpi_size) target_desc->string.length + 1);
ACPI_MEMCPY(target_desc->string.pointer, buffer, length);
} else {
/*
* Free the current buffer, then allocate a new buffer
* large enough to hold the value
*/
if (target_desc->string.pointer &&
(!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
(!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
/* Only free if not a pointer into the DSDT */
ACPI_MEM_FREE (target_desc->string.pointer);
ACPI_MEM_FREE(target_desc->string.pointer);
}
target_desc->string.pointer = ACPI_MEM_CALLOCATE (
(acpi_size) length + 1);
target_desc->string.pointer = ACPI_MEM_CALLOCATE((acpi_size)
length + 1);
if (!target_desc->string.pointer) {
return_ACPI_STATUS (AE_NO_MEMORY);
return_ACPI_STATUS(AE_NO_MEMORY);
}
target_desc->common.flags &= ~AOPOBJ_STATIC_POINTER;
ACPI_MEMCPY (target_desc->string.pointer, buffer, length);
ACPI_MEMCPY(target_desc->string.pointer, buffer, length);
}
/* Set the new target length */
target_desc->string.length = length;
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS(AE_OK);
}

183
drivers/acpi/executer/exsystem.c
查看文件

@@ -42,14 +42,12 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/acevents.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exsystem")
ACPI_MODULE_NAME("exsystem")
/*******************************************************************************
*
@@ -65,49 +63,42 @@
* interpreter is released.
*
******************************************************************************/
acpi_status
acpi_ex_system_wait_semaphore (
acpi_handle semaphore,
u16 timeout)
acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout)
{
acpi_status status;
acpi_status status2;
acpi_status status;
acpi_status status2;
ACPI_FUNCTION_TRACE("ex_system_wait_semaphore");
ACPI_FUNCTION_TRACE ("ex_system_wait_semaphore");
status = acpi_os_wait_semaphore (semaphore, 1, 0);
if (ACPI_SUCCESS (status)) {
return_ACPI_STATUS (status);
status = acpi_os_wait_semaphore(semaphore, 1, 0);
if (ACPI_SUCCESS(status)) {
return_ACPI_STATUS(status);
}
if (status == AE_TIME) {
/* We must wait, so unlock the interpreter */
acpi_ex_exit_interpreter ();
acpi_ex_exit_interpreter();
status = acpi_os_wait_semaphore (semaphore, 1, timeout);
status = acpi_os_wait_semaphore(semaphore, 1, timeout);
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"*** Thread awake after blocking, %s\n",
acpi_format_exception (status)));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"*** Thread awake after blocking, %s\n",
acpi_format_exception(status)));
/* Reacquire the interpreter */
status2 = acpi_ex_enter_interpreter ();
if (ACPI_FAILURE (status2)) {
status2 = acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status2)) {
/* Report fatal error, could not acquire interpreter */
return_ACPI_STATUS (status2);
return_ACPI_STATUS(status2);
}
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_do_stall
@@ -125,35 +116,29 @@ acpi_ex_system_wait_semaphore (
*
******************************************************************************/
acpi_status
acpi_ex_system_do_stall (
u32 how_long)
acpi_status acpi_ex_system_do_stall(u32 how_long)
{
acpi_status status = AE_OK;
acpi_status status = AE_OK;
ACPI_FUNCTION_ENTRY();
ACPI_FUNCTION_ENTRY ();
if (how_long > 255) /* 255 microseconds */ {
if (how_long > 255) { /* 255 microseconds */
/*
* Longer than 255 usec, this is an error
*
* (ACPI specifies 100 usec as max, but this gives some slack in
* order to support existing BIOSs)
*/
ACPI_REPORT_ERROR (("Stall: Time parameter is too large (%d)\n",
how_long));
ACPI_REPORT_ERROR(("Stall: Time parameter is too large (%d)\n",
how_long));
status = AE_AML_OPERAND_VALUE;
}
else {
acpi_os_stall (how_long);
} else {
acpi_os_stall(how_long);
}
return (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_do_suspend
@@ -167,29 +152,24 @@ acpi_ex_system_do_stall (
*
******************************************************************************/
acpi_status
acpi_ex_system_do_suspend (
acpi_integer how_long)
acpi_status acpi_ex_system_do_suspend(acpi_integer how_long)
{
acpi_status status;
ACPI_FUNCTION_ENTRY ();
acpi_status status;
ACPI_FUNCTION_ENTRY();
/* Since this thread will sleep, we must release the interpreter */
acpi_ex_exit_interpreter ();
acpi_ex_exit_interpreter();
acpi_os_sleep (how_long);
acpi_os_sleep(how_long);
/* And now we must get the interpreter again */
status = acpi_ex_enter_interpreter ();
status = acpi_ex_enter_interpreter();
return (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_acquire_mutex
@@ -206,33 +186,30 @@ acpi_ex_system_do_suspend (
******************************************************************************/
acpi_status
acpi_ex_system_acquire_mutex (
union acpi_operand_object *time_desc,
union acpi_operand_object *obj_desc)
acpi_ex_system_acquire_mutex(union acpi_operand_object * time_desc,
union acpi_operand_object * obj_desc)
{
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE_PTR ("ex_system_acquire_mutex", obj_desc);
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE_PTR("ex_system_acquire_mutex", obj_desc);
if (!obj_desc) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Support for the _GL_ Mutex object -- go get the global lock */
if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
status = acpi_ev_acquire_global_lock ((u16) time_desc->integer.value);
return_ACPI_STATUS (status);
status =
acpi_ev_acquire_global_lock((u16) time_desc->integer.value);
return_ACPI_STATUS(status);
}
status = acpi_ex_system_wait_semaphore (obj_desc->mutex.semaphore,
(u16) time_desc->integer.value);
return_ACPI_STATUS (status);
status = acpi_ex_system_wait_semaphore(obj_desc->mutex.semaphore,
(u16) time_desc->integer.value);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_release_mutex
@@ -248,32 +225,27 @@ acpi_ex_system_acquire_mutex (
*
******************************************************************************/
acpi_status
acpi_ex_system_release_mutex (
union acpi_operand_object *obj_desc)
acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc)
{
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE ("ex_system_release_mutex");
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE("ex_system_release_mutex");
if (!obj_desc) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Support for the _GL_ Mutex object -- release the global lock */
if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
status = acpi_ev_release_global_lock ();
return_ACPI_STATUS (status);
status = acpi_ev_release_global_lock();
return_ACPI_STATUS(status);
}
status = acpi_os_signal_semaphore (obj_desc->mutex.semaphore, 1);
return_ACPI_STATUS (status);
status = acpi_os_signal_semaphore(obj_desc->mutex.semaphore, 1);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_signal_event
@@ -287,24 +259,19 @@ acpi_ex_system_release_mutex (
*
******************************************************************************/
acpi_status
acpi_ex_system_signal_event (
union acpi_operand_object *obj_desc)
acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc)
{
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE ("ex_system_signal_event");
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE("ex_system_signal_event");
if (obj_desc) {
status = acpi_os_signal_semaphore (obj_desc->event.semaphore, 1);
status = acpi_os_signal_semaphore(obj_desc->event.semaphore, 1);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_wait_event
@@ -321,25 +288,23 @@ acpi_ex_system_signal_event (
******************************************************************************/
acpi_status
acpi_ex_system_wait_event (
union acpi_operand_object *time_desc,
union acpi_operand_object *obj_desc)
acpi_ex_system_wait_event(union acpi_operand_object *time_desc,
union acpi_operand_object *obj_desc)
{
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE ("ex_system_wait_event");
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE("ex_system_wait_event");
if (obj_desc) {
status = acpi_ex_system_wait_semaphore (obj_desc->event.semaphore,
(u16) time_desc->integer.value);
status =
acpi_ex_system_wait_semaphore(obj_desc->event.semaphore,
(u16) time_desc->integer.
value);
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_reset_event
@@ -352,27 +317,23 @@ acpi_ex_system_wait_event (
*
******************************************************************************/
acpi_status
acpi_ex_system_reset_event (
union acpi_operand_object *obj_desc)
acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc)
{
acpi_status status = AE_OK;
void *temp_semaphore;
ACPI_FUNCTION_ENTRY ();
acpi_status status = AE_OK;
void *temp_semaphore;
ACPI_FUNCTION_ENTRY();
/*
* We are going to simply delete the existing semaphore and
* create a new one!
*/
status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0, &temp_semaphore);
if (ACPI_SUCCESS (status)) {
(void) acpi_os_delete_semaphore (obj_desc->event.semaphore);
status =
acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0, &temp_semaphore);
if (ACPI_SUCCESS(status)) {
(void)acpi_os_delete_semaphore(obj_desc->event.semaphore);
obj_desc->event.semaphore = temp_semaphore;
}
return (status);
}

171
drivers/acpi/executer/exutils.c
查看文件

@@ -42,7 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
/*
* DEFINE_AML_GLOBALS is tested in amlcode.h
* to determine whether certain global names should be "defined" or only
@@ -65,15 +64,10 @@
#include <acpi/acevents.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME ("exutils")
ACPI_MODULE_NAME("exutils")
/* Local prototypes */
static u32
acpi_ex_digits_needed (
acpi_integer value,
u32 base);
static u32 acpi_ex_digits_needed(acpi_integer value, u32 base);
#ifndef ACPI_NO_METHOD_EXECUTION
/*******************************************************************************
@@ -89,24 +83,20 @@ acpi_ex_digits_needed (
*
******************************************************************************/
acpi_status
acpi_ex_enter_interpreter (
void)
acpi_status acpi_ex_enter_interpreter(void)
{
acpi_status status;
acpi_status status;
ACPI_FUNCTION_TRACE ("ex_enter_interpreter");
ACPI_FUNCTION_TRACE("ex_enter_interpreter");
status = acpi_ut_acquire_mutex (ACPI_MTX_EXECUTE);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("Could not acquire interpreter mutex\n"));
status = acpi_ut_acquire_mutex(ACPI_MTX_EXECUTE);
if (ACPI_FAILURE(status)) {
ACPI_REPORT_ERROR(("Could not acquire interpreter mutex\n"));
}
return_ACPI_STATUS (status);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_exit_interpreter
@@ -129,25 +119,20 @@ acpi_ex_enter_interpreter (
*
******************************************************************************/
void
acpi_ex_exit_interpreter (
void)
void acpi_ex_exit_interpreter(void)
{
acpi_status status;
acpi_status status;
ACPI_FUNCTION_TRACE("ex_exit_interpreter");
ACPI_FUNCTION_TRACE ("ex_exit_interpreter");
status = acpi_ut_release_mutex (ACPI_MTX_EXECUTE);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("Could not release interpreter mutex\n"));
status = acpi_ut_release_mutex(ACPI_MTX_EXECUTE);
if (ACPI_FAILURE(status)) {
ACPI_REPORT_ERROR(("Could not release interpreter mutex\n"));
}
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_truncate_for32bit_table
@@ -161,20 +146,17 @@ acpi_ex_exit_interpreter (
*
******************************************************************************/
void
acpi_ex_truncate_for32bit_table (
union acpi_operand_object *obj_desc)
void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc)
{
ACPI_FUNCTION_ENTRY ();
ACPI_FUNCTION_ENTRY();
/*
* Object must be a valid number and we must be executing
* a control method
*/
if ((!obj_desc) ||
(ACPI_GET_OBJECT_TYPE (obj_desc) != ACPI_TYPE_INTEGER)) {
(ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER)) {
return;
}
@@ -187,7 +169,6 @@ acpi_ex_truncate_for32bit_table (
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_acquire_global_lock
@@ -203,37 +184,31 @@ acpi_ex_truncate_for32bit_table (
*
******************************************************************************/
u8
acpi_ex_acquire_global_lock (
u32 field_flags)
u8 acpi_ex_acquire_global_lock(u32 field_flags)
{
u8 locked = FALSE;
acpi_status status;
ACPI_FUNCTION_TRACE ("ex_acquire_global_lock");
u8 locked = FALSE;
acpi_status status;
ACPI_FUNCTION_TRACE("ex_acquire_global_lock");
/* Only attempt lock if the always_lock bit is set */
if (field_flags & AML_FIELD_LOCK_RULE_MASK) {
/* We should attempt to get the lock, wait forever */
status = acpi_ev_acquire_global_lock (ACPI_WAIT_FOREVER);
if (ACPI_SUCCESS (status)) {
status = acpi_ev_acquire_global_lock(ACPI_WAIT_FOREVER);
if (ACPI_SUCCESS(status)) {
locked = TRUE;
}
else {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Could not acquire Global Lock, %s\n",
acpi_format_exception (status)));
} else {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Could not acquire Global Lock, %s\n",
acpi_format_exception(status)));
}
}
return_VALUE (locked);
return_VALUE(locked);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_release_global_lock
@@ -247,34 +222,28 @@ acpi_ex_acquire_global_lock (
*
******************************************************************************/
void
acpi_ex_release_global_lock (
u8 locked_by_me)
void acpi_ex_release_global_lock(u8 locked_by_me)
{
acpi_status status;
ACPI_FUNCTION_TRACE ("ex_release_global_lock");
acpi_status status;
ACPI_FUNCTION_TRACE("ex_release_global_lock");
/* Only attempt unlock if the caller locked it */
if (locked_by_me) {
/* OK, now release the lock */
status = acpi_ev_release_global_lock ();
if (ACPI_FAILURE (status)) {
status = acpi_ev_release_global_lock();
if (ACPI_FAILURE(status)) {
/* Report the error, but there isn't much else we can do */
ACPI_REPORT_ERROR (("Could not release ACPI Global Lock, %s\n",
acpi_format_exception (status)));
ACPI_REPORT_ERROR(("Could not release ACPI Global Lock, %s\n", acpi_format_exception(status)));
}
}
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_digits_needed
@@ -289,22 +258,17 @@ acpi_ex_release_global_lock (
*
******************************************************************************/
static u32
acpi_ex_digits_needed (
acpi_integer value,
u32 base)
static u32 acpi_ex_digits_needed(acpi_integer value, u32 base)
{
u32 num_digits;
acpi_integer current_value;
ACPI_FUNCTION_TRACE ("ex_digits_needed");
u32 num_digits;
acpi_integer current_value;
ACPI_FUNCTION_TRACE("ex_digits_needed");
/* acpi_integer is unsigned, so we don't worry about a '-' prefix */
if (value == 0) {
return_VALUE (1);
return_VALUE(1);
}
current_value = value;
@@ -313,14 +277,14 @@ acpi_ex_digits_needed (
/* Count the digits in the requested base */
while (current_value) {
(void) acpi_ut_short_divide (current_value, base, &current_value, NULL);
(void)acpi_ut_short_divide(current_value, base, &current_value,
NULL);
num_digits++;
}
return_VALUE (num_digits);
return_VALUE(num_digits);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_eisa_id_to_string
@@ -334,32 +298,26 @@ acpi_ex_digits_needed (
*
******************************************************************************/
void
acpi_ex_eisa_id_to_string (
u32 numeric_id,
char *out_string)
void acpi_ex_eisa_id_to_string(u32 numeric_id, char *out_string)
{
u32 eisa_id;
ACPI_FUNCTION_ENTRY ();
u32 eisa_id;
ACPI_FUNCTION_ENTRY();
/* Swap ID to big-endian to get contiguous bits */
eisa_id = acpi_ut_dword_byte_swap (numeric_id);
eisa_id = acpi_ut_dword_byte_swap(numeric_id);
out_string[0] = (char) ('@' + (((unsigned long) eisa_id >> 26) & 0x1f));
out_string[1] = (char) ('@' + ((eisa_id >> 21) & 0x1f));
out_string[2] = (char) ('@' + ((eisa_id >> 16) & 0x1f));
out_string[3] = acpi_ut_hex_to_ascii_char ((acpi_integer) eisa_id, 12);
out_string[4] = acpi_ut_hex_to_ascii_char ((acpi_integer) eisa_id, 8);
out_string[5] = acpi_ut_hex_to_ascii_char ((acpi_integer) eisa_id, 4);
out_string[6] = acpi_ut_hex_to_ascii_char ((acpi_integer) eisa_id, 0);
out_string[0] = (char)('@' + (((unsigned long)eisa_id >> 26) & 0x1f));
out_string[1] = (char)('@' + ((eisa_id >> 21) & 0x1f));
out_string[2] = (char)('@' + ((eisa_id >> 16) & 0x1f));
out_string[3] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 12);
out_string[4] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 8);
out_string[5] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 4);
out_string[6] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 0);
out_string[7] = 0;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_unsigned_integer_to_string
@@ -374,25 +332,20 @@ acpi_ex_eisa_id_to_string (
*
******************************************************************************/
void
acpi_ex_unsigned_integer_to_string (
acpi_integer value,
char *out_string)
void acpi_ex_unsigned_integer_to_string(acpi_integer value, char *out_string)
{
u32 count;
u32 digits_needed;
u32 remainder;
u32 count;
u32 digits_needed;
u32 remainder;
ACPI_FUNCTION_ENTRY();
ACPI_FUNCTION_ENTRY ();
digits_needed = acpi_ex_digits_needed (value, 10);
digits_needed = acpi_ex_digits_needed(value, 10);
out_string[digits_needed] = 0;
for (count = digits_needed; count > 0; count--) {
(void) acpi_ut_short_divide (value, 10, &value, &remainder);
out_string[count-1] = (char) ('0' + remainder);\
(void)acpi_ut_short_divide(value, 10, &value, &remainder);
out_string[count - 1] = (char)('0' + remainder);
}
}