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Merge branch 'WIP.x86/boot' into x86/boot, to pick up ready branch

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The E820 rework in WIP.x86/boot has gone through a couple of weeks
of exposure in -tip, merge it in a wider fashion.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2017-04-11 08:49:31 +02:00
parent 5af218439f 687d77a5f7
commit 4729277156
66 changed files with 1045 additions and 880 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
arch/x86/boot/compressed/eboot.c
View File

@@ -9,7 +9,9 @@
#include <linux/efi.h>
#include <linux/pci.h>
#include <asm/efi.h>
#include <asm/e820/types.h>
#include <asm/setup.h>
#include <asm/desc.h>
@@ -729,7 +731,7 @@ static void add_e820ext(struct boot_params *params,
unsigned long size;
e820ext->type = SETUP_E820_EXT;
e820ext->len = nr_entries * sizeof(struct e820entry);
e820ext->len = nr_entries * sizeof(struct boot_e820_entry);
e820ext->next = 0;
data = (struct setup_data *)(unsigned long)params->hdr.setup_data;
@@ -746,9 +748,9 @@ static void add_e820ext(struct boot_params *params,
static efi_status_t setup_e820(struct boot_params *params,
struct setup_data *e820ext, u32 e820ext_size)
{
struct e820entry *e820_map = &params->e820_map[0];
struct boot_e820_entry *entry = params->e820_table;
struct efi_info *efi = &params->efi_info;
struct e820entry *prev = NULL;
struct boot_e820_entry *prev = NULL;
u32 nr_entries;
u32 nr_desc;
int i;
@@ -773,15 +775,15 @@ static efi_status_t setup_e820(struct boot_params *params,
case EFI_MEMORY_MAPPED_IO:
case EFI_MEMORY_MAPPED_IO_PORT_SPACE:
case EFI_PAL_CODE:
e820_type = E820_RESERVED;
e820_type = E820_TYPE_RESERVED;
break;
case EFI_UNUSABLE_MEMORY:
e820_type = E820_UNUSABLE;
e820_type = E820_TYPE_UNUSABLE;
break;
case EFI_ACPI_RECLAIM_MEMORY:
e820_type = E820_ACPI;
e820_type = E820_TYPE_ACPI;
break;
case EFI_LOADER_CODE:
@@ -789,15 +791,15 @@ static efi_status_t setup_e820(struct boot_params *params,
case EFI_BOOT_SERVICES_CODE:
case EFI_BOOT_SERVICES_DATA:
case EFI_CONVENTIONAL_MEMORY:
e820_type = E820_RAM;
e820_type = E820_TYPE_RAM;
break;
case EFI_ACPI_MEMORY_NVS:
e820_type = E820_NVS;
e820_type = E820_TYPE_NVS;
break;
case EFI_PERSISTENT_MEMORY:
e820_type = E820_PMEM;
e820_type = E820_TYPE_PMEM;
break;
default:
@@ -811,26 +813,26 @@ static efi_status_t setup_e820(struct boot_params *params,
continue;
}
if (nr_entries == ARRAY_SIZE(params->e820_map)) {
u32 need = (nr_desc - i) * sizeof(struct e820entry) +
if (nr_entries == ARRAY_SIZE(params->e820_table)) {
u32 need = (nr_desc - i) * sizeof(struct e820_entry) +
sizeof(struct setup_data);
if (!e820ext || e820ext_size < need)
return EFI_BUFFER_TOO_SMALL;
/* boot_params map full, switch to e820 extended */
e820_map = (struct e820entry *)e820ext->data;
entry = (struct boot_e820_entry *)e820ext->data;
}
e820_map->addr = d->phys_addr;
e820_map->size = d->num_pages << PAGE_SHIFT;
e820_map->type = e820_type;
prev = e820_map++;
entry->addr = d->phys_addr;
entry->size = d->num_pages << PAGE_SHIFT;
entry->type = e820_type;
prev = entry++;
nr_entries++;
}
if (nr_entries > ARRAY_SIZE(params->e820_map)) {
u32 nr_e820ext = nr_entries - ARRAY_SIZE(params->e820_map);
if (nr_entries > ARRAY_SIZE(params->e820_table)) {
u32 nr_e820ext = nr_entries - ARRAY_SIZE(params->e820_table);
add_e820ext(params, e820ext, nr_e820ext);
nr_entries -= nr_e820ext;
@@ -848,7 +850,7 @@ static efi_status_t alloc_e820ext(u32 nr_desc, struct setup_data **e820ext,
unsigned long size;
size = sizeof(struct setup_data) +
sizeof(struct e820entry) * nr_desc;
sizeof(struct e820_entry) * nr_desc;
if (*e820ext) {
efi_call_early(free_pool, *e820ext);
@@ -884,9 +886,9 @@ static efi_status_t exit_boot_func(efi_system_table_t *sys_table_arg,
if (first) {
nr_desc = *map->buff_size / *map->desc_size;
if (nr_desc > ARRAY_SIZE(p->boot_params->e820_map)) {
if (nr_desc > ARRAY_SIZE(p->boot_params->e820_table)) {
u32 nr_e820ext = nr_desc -
ARRAY_SIZE(p->boot_params->e820_map);
ARRAY_SIZE(p->boot_params->e820_table);
status = alloc_e820ext(nr_e820ext, &p->e820ext,
&p->e820ext_size);

6
arch/x86/boot/compressed/kaslr.c
View File

@@ -426,7 +426,7 @@ static unsigned long slots_fetch_random(void)
return 0;
}
static void process_e820_entry(struct e820entry *entry,
static void process_e820_entry(struct boot_e820_entry *entry,
unsigned long minimum,
unsigned long image_size)
{
@@ -435,7 +435,7 @@ static void process_e820_entry(struct e820entry *entry,
unsigned long start_orig;
/* Skip non-RAM entries. */
if (entry->type != E820_RAM)
if (entry->type != E820_TYPE_RAM)
return;
/* On 32-bit, ignore entries entirely above our maximum. */
@@ -518,7 +518,7 @@ static unsigned long find_random_phys_addr(unsigned long minimum,
/* Verify potential e820 positions, appending to slots list. */
for (i = 0; i < boot_params->e820_entries; i++) {
process_e820_entry(&boot_params->e820_map[i], minimum,
process_e820_entry(&boot_params->e820_table[i], minimum,
image_size);
if (slot_area_index == MAX_SLOT_AREA) {
debug_putstr("Aborted e820 scan (slot_areas full)!\n");

1
arch/x86/boot/header.S
View File

@@ -18,7 +18,6 @@
#include <asm/segment.h>
#include <generated/utsrelease.h>
#include <asm/boot.h>
#include <asm/e820.h>
#include <asm/page_types.h>
#include <asm/setup.h>
#include <asm/bootparam.h>

6
arch/x86/boot/memory.c
View File

@@ -21,8 +21,8 @@ static int detect_memory_e820(void)
{
int count = 0;
struct biosregs ireg, oreg;
struct e820entry *desc = boot_params.e820_map;
static struct e820entry buf; /* static so it is zeroed */
struct boot_e820_entry *desc = boot_params.e820_table;
static struct boot_e820_entry buf; /* static so it is zeroed */
initregs(&ireg);
ireg.ax = 0xe820;
@@ -66,7 +66,7 @@ static int detect_memory_e820(void)
*desc++ = buf;
count++;
} while (ireg.ebx && count < ARRAY_SIZE(boot_params.e820_map));
} while (ireg.ebx && count < ARRAY_SIZE(boot_params.e820_table));
return boot_params.e820_entries = count;
}