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Merge ../powerpc-merge

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This commit is contained in:
Paul Mackerras
2006-02-24 14:05:47 +11:00
parent 774fee58c4 fb5c594c2a
commit a00428f5b1
563 changed files with 7800 additions and 6850 deletions
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111
arch/powerpc/kernel/head_64.S
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@@ -137,7 +137,7 @@ _GLOBAL(__secondary_hold)
ori r24,r24,MSR_RI
mtmsrd r24 /* RI on */
/* Grab our linux cpu number */
/* Grab our physical cpu number */
mr r24,r3
/* Tell the master cpu we're here */
@@ -151,12 +151,7 @@ _GLOBAL(__secondary_hold)
cmpdi 0,r4,1
bne 100b
#ifdef CONFIG_HMT
SET_REG_IMMEDIATE(r4, .hmt_init)
mtctr r4
bctr
#else
#ifdef CONFIG_SMP
#if defined(CONFIG_SMP) || defined(CONFIG_KEXEC)
LOAD_REG_IMMEDIATE(r4, .pSeries_secondary_smp_init)
mtctr r4
mr r3,r24
@@ -164,7 +159,6 @@ _GLOBAL(__secondary_hold)
#else
BUG_OPCODE
#endif
#endif
/* This value is used to mark exception frames on the stack. */
.section ".toc","aw"
@@ -319,7 +313,6 @@ exception_marker:
label##_pSeries: \
HMT_MEDIUM; \
mtspr SPRN_SPRG1,r13; /* save r13 */ \
RUNLATCH_ON(r13); \
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common)
#define STD_EXCEPTION_ISERIES(n, label, area) \
@@ -327,7 +320,6 @@ label##_pSeries: \
label##_iSeries: \
HMT_MEDIUM; \
mtspr SPRN_SPRG1,r13; /* save r13 */ \
RUNLATCH_ON(r13); \
EXCEPTION_PROLOG_ISERIES_1(area); \
EXCEPTION_PROLOG_ISERIES_2; \
b label##_common
@@ -337,7 +329,6 @@ label##_iSeries: \
label##_iSeries: \
HMT_MEDIUM; \
mtspr SPRN_SPRG1,r13; /* save r13 */ \
RUNLATCH_ON(r13); \
EXCEPTION_PROLOG_ISERIES_1(PACA_EXGEN); \
lbz r10,PACAPROCENABLED(r13); \
cmpwi 0,r10,0; \
@@ -390,6 +381,7 @@ label##_common: \
label##_common: \
EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \
DISABLE_INTS; \
bl .ppc64_runlatch_on; \
addi r3,r1,STACK_FRAME_OVERHEAD; \
bl hdlr; \
b .ret_from_except_lite
@@ -407,7 +399,6 @@ __start_interrupts:
_machine_check_pSeries:
HMT_MEDIUM
mtspr SPRN_SPRG1,r13 /* save r13 */
RUNLATCH_ON(r13)
EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common)
. = 0x300
@@ -434,7 +425,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
data_access_slb_pSeries:
HMT_MEDIUM
mtspr SPRN_SPRG1,r13
RUNLATCH_ON(r13)
mfspr r13,SPRN_SPRG3 /* get paca address into r13 */
std r3,PACA_EXSLB+EX_R3(r13)
mfspr r3,SPRN_DAR
@@ -460,7 +450,6 @@ data_access_slb_pSeries:
instruction_access_slb_pSeries:
HMT_MEDIUM
mtspr SPRN_SPRG1,r13
RUNLATCH_ON(r13)
mfspr r13,SPRN_SPRG3 /* get paca address into r13 */
std r3,PACA_EXSLB+EX_R3(r13)
mfspr r3,SPRN_SRR0 /* SRR0 is faulting address */
@@ -491,7 +480,6 @@ instruction_access_slb_pSeries:
.globl system_call_pSeries
system_call_pSeries:
HMT_MEDIUM
RUNLATCH_ON(r9)
mr r9,r13
mfmsr r10
mfspr r13,SPRN_SPRG3
@@ -575,7 +563,6 @@ slb_miss_user_pseries:
system_reset_fwnmi:
HMT_MEDIUM
mtspr SPRN_SPRG1,r13 /* save r13 */
RUNLATCH_ON(r13)
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common)
.globl machine_check_fwnmi
@@ -583,7 +570,6 @@ system_reset_fwnmi:
machine_check_fwnmi:
HMT_MEDIUM
mtspr SPRN_SPRG1,r13 /* save r13 */
RUNLATCH_ON(r13)
EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common)
#ifdef CONFIG_PPC_ISERIES
@@ -894,7 +880,6 @@ unrecov_fer:
.align 7
.globl data_access_common
data_access_common:
RUNLATCH_ON(r10) /* It wont fit in the 0x300 handler */
mfspr r10,SPRN_DAR
std r10,PACA_EXGEN+EX_DAR(r13)
mfspr r10,SPRN_DSISR
@@ -1042,6 +1027,7 @@ hardware_interrupt_common:
EXCEPTION_PROLOG_COMMON(0x500, PACA_EXGEN)
hardware_interrupt_entry:
DISABLE_INTS
bl .ppc64_runlatch_on
addi r3,r1,STACK_FRAME_OVERHEAD
bl .do_IRQ
b .ret_from_except_lite
@@ -1816,22 +1802,6 @@ _STATIC(start_here_multiplatform)
ori r6,r6,MSR_RI
mtmsrd r6 /* RI on */
#ifdef CONFIG_HMT
/* Start up the second thread on cpu 0 */
mfspr r3,SPRN_PVR
srwi r3,r3,16
cmpwi r3,0x34 /* Pulsar */
beq 90f
cmpwi r3,0x36 /* Icestar */
beq 90f
cmpwi r3,0x37 /* SStar */
beq 90f
b 91f /* HMT not supported */
90: li r3,0
bl .hmt_start_secondary
91:
#endif
/* The following gets the stack and TOC set up with the regs */
/* pointing to the real addr of the kernel stack. This is */
/* all done to support the C function call below which sets */
@@ -1945,77 +1915,8 @@ _STATIC(start_here_common)
bl .start_kernel
_GLOBAL(hmt_init)
#ifdef CONFIG_HMT
LOAD_REG_IMMEDIATE(r5, hmt_thread_data)
mfspr r7,SPRN_PVR
srwi r7,r7,16
cmpwi r7,0x34 /* Pulsar */
beq 90f
cmpwi r7,0x36 /* Icestar */
beq 91f
cmpwi r7,0x37 /* SStar */
beq 91f
b 101f
90: mfspr r6,SPRN_PIR
andi. r6,r6,0x1f
b 92f
91: mfspr r6,SPRN_PIR
andi. r6,r6,0x3ff
92: sldi r4,r24,3
stwx r6,r5,r4
bl .hmt_start_secondary
b 101f
__hmt_secondary_hold:
LOAD_REG_IMMEDIATE(r5, hmt_thread_data)
clrldi r5,r5,4
li r7,0
mfspr r6,SPRN_PIR
mfspr r8,SPRN_PVR
srwi r8,r8,16
cmpwi r8,0x34
bne 93f
andi. r6,r6,0x1f
b 103f
93: andi. r6,r6,0x3f
103: lwzx r8,r5,r7
cmpw r8,r6
beq 104f
addi r7,r7,8
b 103b
104: addi r7,r7,4
lwzx r9,r5,r7
mr r24,r9
101:
#endif
mr r3,r24
b .pSeries_secondary_smp_init
#ifdef CONFIG_HMT
_GLOBAL(hmt_start_secondary)
LOAD_REG_IMMEDIATE(r4,__hmt_secondary_hold)
clrldi r4,r4,4
mtspr SPRN_NIADORM, r4
mfspr r4, SPRN_MSRDORM
li r5, -65
and r4, r4, r5
mtspr SPRN_MSRDORM, r4
lis r4,0xffef
ori r4,r4,0x7403
mtspr SPRN_TSC, r4
li r4,0x1f4
mtspr SPRN_TST, r4
mfspr r4, SPRN_HID0
ori r4, r4, 0x1
mtspr SPRN_HID0, r4
mfspr r4, SPRN_CTRLF
oris r4, r4, 0x40
mtspr SPRN_CTRLT, r4
blr
#endif
/* Not reached */
BUG_OPCODE
/*
* We put a few things here that have to be page-aligned.