Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / arch / powerpc / kernel / exceptions-64s.S

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 8ac85e0..1808876 100644 (file)
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -12,6 +12,8 @@
  *
  */
 
+#include <asm/exception-64s.h>
+
 /*
  * We layout physical memory as follows:
  * 0x0000 - 0x00ff : Secondary processor spin code
@@ -22,18 +24,6 @@
  * 0x8000 -        : Early init and support code
  */
 
-
-/*
- *   SPRG Usage
- *
- *   Register  Definition
- *
- *   SPRG0     reserved for hypervisor
- *   SPRG1     temp - used to save gpr
- *   SPRG2     temp - used to save gpr
- *   SPRG3     virt addr of paca
- */
-
 /*
  * This is the start of the interrupt handlers for pSeries
  * This code runs with relocation off.
@@ -51,34 +41,44 @@ __start_interrupts:
        . = 0x200
 _machine_check_pSeries:
        HMT_MEDIUM
-       mtspr   SPRN_SPRG1,r13          /* save r13 */
+       mtspr   SPRN_SPRG_SCRATCH0,r13          /* save r13 */
        EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common)
 
        . = 0x300
        .globl data_access_pSeries
 data_access_pSeries:
        HMT_MEDIUM
-       mtspr   SPRN_SPRG1,r13
+       mtspr   SPRN_SPRG_SCRATCH0,r13
 BEGIN_FTR_SECTION
-       mtspr   SPRN_SPRG2,r12
-       mfspr   r13,SPRN_DAR
-       mfspr   r12,SPRN_DSISR
-       srdi    r13,r13,60
-       rlwimi  r13,r12,16,0x20
-       mfcr    r12
-       cmpwi   r13,0x2c
+       mfspr   r13,SPRN_SPRG_PACA
+       std     r9,PACA_EXSLB+EX_R9(r13)
+       std     r10,PACA_EXSLB+EX_R10(r13)
+       mfspr   r10,SPRN_DAR
+       mfspr   r9,SPRN_DSISR
+       srdi    r10,r10,60
+       rlwimi  r10,r9,16,0x20
+       mfcr    r9
+       cmpwi   r10,0x2c
        beq     do_stab_bolted_pSeries
-       mtcrf   0x80,r12
-       mfspr   r12,SPRN_SPRG2
-END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
+       ld      r10,PACA_EXSLB+EX_R10(r13)
+       std     r11,PACA_EXGEN+EX_R11(r13)
+       ld      r11,PACA_EXSLB+EX_R9(r13)
+       std     r12,PACA_EXGEN+EX_R12(r13)
+       mfspr   r12,SPRN_SPRG_SCRATCH0
+       std     r10,PACA_EXGEN+EX_R10(r13)
+       std     r11,PACA_EXGEN+EX_R9(r13)
+       std     r12,PACA_EXGEN+EX_R13(r13)
+       EXCEPTION_PROLOG_PSERIES_1(data_access_common)
+FTR_SECTION_ELSE
        EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, data_access_common)
+ALT_FTR_SECTION_END_IFCLR(CPU_FTR_SLB)
 
        . = 0x380
        .globl data_access_slb_pSeries
 data_access_slb_pSeries:
        HMT_MEDIUM
-       mtspr   SPRN_SPRG1,r13
-       mfspr   r13,SPRN_SPRG3          /* get paca address into r13 */
+       mtspr   SPRN_SPRG_SCRATCH0,r13
+       mfspr   r13,SPRN_SPRG_PACA              /* get paca address into r13 */
        std     r3,PACA_EXSLB+EX_R3(r13)
        mfspr   r3,SPRN_DAR
        std     r9,PACA_EXSLB+EX_R9(r13)        /* save r9 - r12 */
@@ -91,7 +91,7 @@ data_access_slb_pSeries:
        std     r10,PACA_EXSLB+EX_R10(r13)
        std     r11,PACA_EXSLB+EX_R11(r13)
        std     r12,PACA_EXSLB+EX_R12(r13)
-       mfspr   r10,SPRN_SPRG1
+       mfspr   r10,SPRN_SPRG_SCRATCH0
        std     r10,PACA_EXSLB+EX_R13(r13)
        mfspr   r12,SPRN_SRR1           /* and SRR1 */
 #ifndef CONFIG_RELOCATABLE
@@ -115,8 +115,8 @@ data_access_slb_pSeries:
        .globl instruction_access_slb_pSeries
 instruction_access_slb_pSeries:
        HMT_MEDIUM
-       mtspr   SPRN_SPRG1,r13
-       mfspr   r13,SPRN_SPRG3          /* get paca address into r13 */
+       mtspr   SPRN_SPRG_SCRATCH0,r13
+       mfspr   r13,SPRN_SPRG_PACA              /* get paca address into r13 */
        std     r3,PACA_EXSLB+EX_R3(r13)
        mfspr   r3,SPRN_SRR0            /* SRR0 is faulting address */
        std     r9,PACA_EXSLB+EX_R9(r13)        /* save r9 - r12 */
@@ -129,7 +129,7 @@ instruction_access_slb_pSeries:
        std     r10,PACA_EXSLB+EX_R10(r13)
        std     r11,PACA_EXSLB+EX_R11(r13)
        std     r12,PACA_EXSLB+EX_R12(r13)
-       mfspr   r10,SPRN_SPRG1
+       mfspr   r10,SPRN_SPRG_SCRATCH0
        std     r10,PACA_EXSLB+EX_R13(r13)
        mfspr   r12,SPRN_SRR1           /* and SRR1 */
 #ifndef CONFIG_RELOCATABLE
@@ -159,7 +159,7 @@ BEGIN_FTR_SECTION
        beq-    1f
 END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE)
        mr      r9,r13
-       mfspr   r13,SPRN_SPRG3
+       mfspr   r13,SPRN_SPRG_PACA
        mfspr   r11,SPRN_SRR0
        ld      r12,PACAKBASE(r13)
        ld      r10,PACAKMSR(r13)
@@ -228,15 +228,17 @@ masked_interrupt:
        rotldi  r10,r10,16
        mtspr   SPRN_SRR1,r10
        ld      r10,PACA_EXGEN+EX_R10(r13)
-       mfspr   r13,SPRN_SPRG1
+       mfspr   r13,SPRN_SPRG_SCRATCH0
        rfid
        b       .
 
        .align  7
 do_stab_bolted_pSeries:
-       mtcrf   0x80,r12
-       mfspr   r12,SPRN_SPRG2
-       EXCEPTION_PROLOG_PSERIES(PACA_EXSLB, .do_stab_bolted)
+       std     r11,PACA_EXSLB+EX_R11(r13)
+       std     r12,PACA_EXSLB+EX_R12(r13)
+       mfspr   r10,SPRN_SPRG_SCRATCH0
+       std     r10,PACA_EXSLB+EX_R13(r13)
+       EXCEPTION_PROLOG_PSERIES_1(.do_stab_bolted)
 
 #ifdef CONFIG_PPC_PSERIES
 /*
@@ -246,14 +248,14 @@ do_stab_bolted_pSeries:
       .align 7
 system_reset_fwnmi:
        HMT_MEDIUM
-       mtspr   SPRN_SPRG1,r13          /* save r13 */
+       mtspr   SPRN_SPRG_SCRATCH0,r13          /* save r13 */
        EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common)
 
        .globl machine_check_fwnmi
       .align 7
 machine_check_fwnmi:
        HMT_MEDIUM
-       mtspr   SPRN_SPRG1,r13          /* save r13 */
+       mtspr   SPRN_SPRG_SCRATCH0,r13          /* save r13 */
        EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common)
 
 #endif /* CONFIG_PPC_PSERIES */
@@ -268,7 +270,7 @@ slb_miss_user_pseries:
        std     r10,PACA_EXGEN+EX_R10(r13)
        std     r11,PACA_EXGEN+EX_R11(r13)
        std     r12,PACA_EXGEN+EX_R12(r13)
-       mfspr   r10,SPRG1
+       mfspr   r10,SPRG_SCRATCH0
        ld      r11,PACA_EXSLB+EX_R9(r13)
        ld      r12,PACA_EXSLB+EX_R3(r13)
        std     r10,PACA_EXGEN+EX_R13(r13)