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-rw-r--r--arch/powerpc/kernel/head_64.S25
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index b3718f3eb7b5..308268466342 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -255,8 +255,9 @@ exception_marker:
255 255
256#define EXCEPTION_PROLOG_ISERIES_2 \ 256#define EXCEPTION_PROLOG_ISERIES_2 \
257 mfmsr r10; \ 257 mfmsr r10; \
258 ld r11,PACALPPACA+LPPACASRR0(r13); \ 258 ld r12,PACALPPACAPTR(r13); \
259 ld r12,PACALPPACA+LPPACASRR1(r13); \ 259 ld r11,LPPACASRR0(r12); \
260 ld r12,LPPACASRR1(r12); \
260 ori r10,r10,MSR_RI; \ 261 ori r10,r10,MSR_RI; \
261 mtmsrd r10,1 262 mtmsrd r10,1
262 263
@@ -635,7 +636,8 @@ data_access_slb_iSeries:
635 std r12,PACA_EXSLB+EX_R12(r13) 636 std r12,PACA_EXSLB+EX_R12(r13)
636 mfspr r10,SPRN_SPRG1 637 mfspr r10,SPRN_SPRG1
637 std r10,PACA_EXSLB+EX_R13(r13) 638 std r10,PACA_EXSLB+EX_R13(r13)
638 ld r12,PACALPPACA+LPPACASRR1(r13); 639 ld r12,PACALPPACAPTR(r13)
640 ld r12,LPPACASRR1(r12)
639 b .slb_miss_realmode 641 b .slb_miss_realmode
640 642
641 STD_EXCEPTION_ISERIES(0x400, instruction_access, PACA_EXGEN) 643 STD_EXCEPTION_ISERIES(0x400, instruction_access, PACA_EXGEN)
@@ -645,7 +647,8 @@ instruction_access_slb_iSeries:
645 mtspr SPRN_SPRG1,r13 /* save r13 */ 647 mtspr SPRN_SPRG1,r13 /* save r13 */
646 mfspr r13,SPRN_SPRG3 /* get paca address into r13 */ 648 mfspr r13,SPRN_SPRG3 /* get paca address into r13 */
647 std r3,PACA_EXSLB+EX_R3(r13) 649 std r3,PACA_EXSLB+EX_R3(r13)
648 ld r3,PACALPPACA+LPPACASRR0(r13) /* get SRR0 value */ 650 ld r3,PACALPPACAPTR(r13)
651 ld r3,LPPACASRR0(r3) /* get SRR0 value */
649 std r9,PACA_EXSLB+EX_R9(r13) 652 std r9,PACA_EXSLB+EX_R9(r13)
650 mfcr r9 653 mfcr r9
651#ifdef __DISABLED__ 654#ifdef __DISABLED__
@@ -657,7 +660,8 @@ instruction_access_slb_iSeries:
657 std r12,PACA_EXSLB+EX_R12(r13) 660 std r12,PACA_EXSLB+EX_R12(r13)
658 mfspr r10,SPRN_SPRG1 661 mfspr r10,SPRN_SPRG1
659 std r10,PACA_EXSLB+EX_R13(r13) 662 std r10,PACA_EXSLB+EX_R13(r13)
660 ld r12,PACALPPACA+LPPACASRR1(r13); 663 ld r12,PACALPPACAPTR(r13)
664 ld r12,LPPACASRR1(r12)
661 b .slb_miss_realmode 665 b .slb_miss_realmode
662 666
663#ifdef __DISABLED__ 667#ifdef __DISABLED__
@@ -746,7 +750,8 @@ iSeries_secondary_smp_loop:
746 .globl decrementer_iSeries_masked 750 .globl decrementer_iSeries_masked
747decrementer_iSeries_masked: 751decrementer_iSeries_masked:
748 li r11,1 752 li r11,1
749 stb r11,PACALPPACA+LPPACADECRINT(r13) 753 ld r12,PACALPPACAPTR(r13)
754 stb r11,LPPACADECRINT(r12)
750 LOAD_REG_ADDRBASE(r12,tb_ticks_per_jiffy) 755 LOAD_REG_ADDRBASE(r12,tb_ticks_per_jiffy)
751 lwz r12,ADDROFF(tb_ticks_per_jiffy)(r12) 756 lwz r12,ADDROFF(tb_ticks_per_jiffy)(r12)
752 mtspr SPRN_DEC,r12 757 mtspr SPRN_DEC,r12
@@ -755,8 +760,9 @@ decrementer_iSeries_masked:
755 .globl hardware_interrupt_iSeries_masked 760 .globl hardware_interrupt_iSeries_masked
756hardware_interrupt_iSeries_masked: 761hardware_interrupt_iSeries_masked:
757 mtcrf 0x80,r9 /* Restore regs */ 762 mtcrf 0x80,r9 /* Restore regs */
758 ld r11,PACALPPACA+LPPACASRR0(r13) 763 ld r12,PACALPPACAPTR(r13)
759 ld r12,PACALPPACA+LPPACASRR1(r13) 764 ld r11,LPPACASRR0(r12)
765 ld r12,LPPACASRR1(r12)
760 mtspr SPRN_SRR0,r11 766 mtspr SPRN_SRR0,r11
761 mtspr SPRN_SRR1,r12 767 mtspr SPRN_SRR1,r12
762 ld r9,PACA_EXGEN+EX_R9(r13) 768 ld r9,PACA_EXGEN+EX_R9(r13)
@@ -995,7 +1001,8 @@ _GLOBAL(slb_miss_realmode)
995 ld r3,PACA_EXSLB+EX_R3(r13) 1001 ld r3,PACA_EXSLB+EX_R3(r13)
996 lwz r9,PACA_EXSLB+EX_CCR(r13) /* get saved CR */ 1002 lwz r9,PACA_EXSLB+EX_CCR(r13) /* get saved CR */
997#ifdef CONFIG_PPC_ISERIES 1003#ifdef CONFIG_PPC_ISERIES
998 ld r11,PACALPPACA+LPPACASRR0(r13) /* get SRR0 value */ 1004 ld r11,PACALPPACAPTR(r13)
1005 ld r11,LPPACASRR0(r11) /* get SRR0 value */
999#endif /* CONFIG_PPC_ISERIES */ 1006#endif /* CONFIG_PPC_ISERIES */
1000 1007
1001 mtlr r10 1008 mtlr r10