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-rw-r--r--arch/powerpc/kernel/head_32.S40
1 files changed, 20 insertions, 20 deletions
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index fc2132942754..829c3fe7c5a2 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -244,8 +244,8 @@ __secondary_hold_acknowledge:
244 * task's thread_struct. 244 * task's thread_struct.
245 */ 245 */
246#define EXCEPTION_PROLOG \ 246#define EXCEPTION_PROLOG \
247 mtspr SPRN_SPRG0,r10; \ 247 mtspr SPRN_SPRG_SCRATCH0,r10; \
248 mtspr SPRN_SPRG1,r11; \ 248 mtspr SPRN_SPRG_SCRATCH1,r11; \
249 mfcr r10; \ 249 mfcr r10; \
250 EXCEPTION_PROLOG_1; \ 250 EXCEPTION_PROLOG_1; \
251 EXCEPTION_PROLOG_2 251 EXCEPTION_PROLOG_2
@@ -255,7 +255,7 @@ __secondary_hold_acknowledge:
255 andi. r11,r11,MSR_PR; \ 255 andi. r11,r11,MSR_PR; \
256 tophys(r11,r1); /* use tophys(r1) if kernel */ \ 256 tophys(r11,r1); /* use tophys(r1) if kernel */ \
257 beq 1f; \ 257 beq 1f; \
258 mfspr r11,SPRN_SPRG3; \ 258 mfspr r11,SPRN_SPRG_THREAD; \
259 lwz r11,THREAD_INFO-THREAD(r11); \ 259 lwz r11,THREAD_INFO-THREAD(r11); \
260 addi r11,r11,THREAD_SIZE; \ 260 addi r11,r11,THREAD_SIZE; \
261 tophys(r11,r11); \ 261 tophys(r11,r11); \
@@ -267,9 +267,9 @@ __secondary_hold_acknowledge:
267 stw r10,_CCR(r11); /* save registers */ \ 267 stw r10,_CCR(r11); /* save registers */ \
268 stw r12,GPR12(r11); \ 268 stw r12,GPR12(r11); \
269 stw r9,GPR9(r11); \ 269 stw r9,GPR9(r11); \
270 mfspr r10,SPRN_SPRG0; \ 270 mfspr r10,SPRN_SPRG_SCRATCH0; \
271 stw r10,GPR10(r11); \ 271 stw r10,GPR10(r11); \
272 mfspr r12,SPRN_SPRG1; \ 272 mfspr r12,SPRN_SPRG_SCRATCH1; \
273 stw r12,GPR11(r11); \ 273 stw r12,GPR11(r11); \
274 mflr r10; \ 274 mflr r10; \
275 stw r10,_LINK(r11); \ 275 stw r10,_LINK(r11); \
@@ -355,11 +355,11 @@ i##n: \
355 * -- paulus. 355 * -- paulus.
356 */ 356 */
357 . = 0x200 357 . = 0x200
358 mtspr SPRN_SPRG0,r10 358 mtspr SPRN_SPRG_SCRATCH0,r10
359 mtspr SPRN_SPRG1,r11 359 mtspr SPRN_SPRG_SCRATCH1,r11
360 mfcr r10 360 mfcr r10
361#ifdef CONFIG_PPC_CHRP 361#ifdef CONFIG_PPC_CHRP
362 mfspr r11,SPRN_SPRG2 362 mfspr r11,SPRN_SPRG_RTAS
363 cmpwi 0,r11,0 363 cmpwi 0,r11,0
364 bne 7f 364 bne 7f
365#endif /* CONFIG_PPC_CHRP */ 365#endif /* CONFIG_PPC_CHRP */
@@ -367,7 +367,7 @@ i##n: \
3677: EXCEPTION_PROLOG_2 3677: EXCEPTION_PROLOG_2
368 addi r3,r1,STACK_FRAME_OVERHEAD 368 addi r3,r1,STACK_FRAME_OVERHEAD
369#ifdef CONFIG_PPC_CHRP 369#ifdef CONFIG_PPC_CHRP
370 mfspr r4,SPRN_SPRG2 370 mfspr r4,SPRN_SPRG_RTAS
371 cmpwi cr1,r4,0 371 cmpwi cr1,r4,0
372 bne cr1,1f 372 bne cr1,1f
373#endif 373#endif
@@ -485,7 +485,7 @@ InstructionTLBMiss:
485 mfspr r3,SPRN_IMISS 485 mfspr r3,SPRN_IMISS
486 lis r1,PAGE_OFFSET@h /* check if kernel address */ 486 lis r1,PAGE_OFFSET@h /* check if kernel address */
487 cmplw 0,r1,r3 487 cmplw 0,r1,r3
488 mfspr r2,SPRN_SPRG3 488 mfspr r2,SPRN_SPRG_THREAD
489 li r1,_PAGE_USER|_PAGE_PRESENT /* low addresses tested as user */ 489 li r1,_PAGE_USER|_PAGE_PRESENT /* low addresses tested as user */
490 lwz r2,PGDIR(r2) 490 lwz r2,PGDIR(r2)
491 bge- 112f 491 bge- 112f
@@ -559,7 +559,7 @@ DataLoadTLBMiss:
559 mfspr r3,SPRN_DMISS 559 mfspr r3,SPRN_DMISS
560 lis r1,PAGE_OFFSET@h /* check if kernel address */ 560 lis r1,PAGE_OFFSET@h /* check if kernel address */
561 cmplw 0,r1,r3 561 cmplw 0,r1,r3
562 mfspr r2,SPRN_SPRG3 562 mfspr r2,SPRN_SPRG_THREAD
563 li r1,_PAGE_USER|_PAGE_PRESENT /* low addresses tested as user */ 563 li r1,_PAGE_USER|_PAGE_PRESENT /* low addresses tested as user */
564 lwz r2,PGDIR(r2) 564 lwz r2,PGDIR(r2)
565 bge- 112f 565 bge- 112f
@@ -598,12 +598,12 @@ END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT)
598 mtcrf 0x80,r2 598 mtcrf 0x80,r2
599BEGIN_MMU_FTR_SECTION 599BEGIN_MMU_FTR_SECTION
600 li r0,1 600 li r0,1
601 mfspr r1,SPRN_SPRG4 601 mfspr r1,SPRN_SPRG_603_LRU
602 rlwinm r2,r3,20,27,31 /* Get Address bits 15:19 */ 602 rlwinm r2,r3,20,27,31 /* Get Address bits 15:19 */
603 slw r0,r0,r2 603 slw r0,r0,r2
604 xor r1,r0,r1 604 xor r1,r0,r1
605 srw r0,r1,r2 605 srw r0,r1,r2
606 mtspr SPRN_SPRG4,r1 606 mtspr SPRN_SPRG_603_LRU,r1
607 mfspr r2,SPRN_SRR1 607 mfspr r2,SPRN_SRR1
608 rlwimi r2,r0,31-14,14,14 608 rlwimi r2,r0,31-14,14,14
609 mtspr SPRN_SRR1,r2 609 mtspr SPRN_SRR1,r2
@@ -643,7 +643,7 @@ DataStoreTLBMiss:
643 mfspr r3,SPRN_DMISS 643 mfspr r3,SPRN_DMISS
644 lis r1,PAGE_OFFSET@h /* check if kernel address */ 644 lis r1,PAGE_OFFSET@h /* check if kernel address */
645 cmplw 0,r1,r3 645 cmplw 0,r1,r3
646 mfspr r2,SPRN_SPRG3 646 mfspr r2,SPRN_SPRG_THREAD
647 li r1,_PAGE_RW|_PAGE_USER|_PAGE_PRESENT /* access flags */ 647 li r1,_PAGE_RW|_PAGE_USER|_PAGE_PRESENT /* access flags */
648 lwz r2,PGDIR(r2) 648 lwz r2,PGDIR(r2)
649 bge- 112f 649 bge- 112f
@@ -678,12 +678,12 @@ END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT)
678 mtcrf 0x80,r2 678 mtcrf 0x80,r2
679BEGIN_MMU_FTR_SECTION 679BEGIN_MMU_FTR_SECTION
680 li r0,1 680 li r0,1
681 mfspr r1,SPRN_SPRG4 681 mfspr r1,SPRN_SPRG_603_LRU
682 rlwinm r2,r3,20,27,31 /* Get Address bits 15:19 */ 682 rlwinm r2,r3,20,27,31 /* Get Address bits 15:19 */
683 slw r0,r0,r2 683 slw r0,r0,r2
684 xor r1,r0,r1 684 xor r1,r0,r1
685 srw r0,r1,r2 685 srw r0,r1,r2
686 mtspr SPRN_SPRG4,r1 686 mtspr SPRN_SPRG_603_LRU,r1
687 mfspr r2,SPRN_SRR1 687 mfspr r2,SPRN_SRR1
688 rlwimi r2,r0,31-14,14,14 688 rlwimi r2,r0,31-14,14,14
689 mtspr SPRN_SRR1,r2 689 mtspr SPRN_SRR1,r2
@@ -864,9 +864,9 @@ __secondary_start:
864 tophys(r4,r2) 864 tophys(r4,r2)
865 addi r4,r4,THREAD /* phys address of our thread_struct */ 865 addi r4,r4,THREAD /* phys address of our thread_struct */
866 CLR_TOP32(r4) 866 CLR_TOP32(r4)
867 mtspr SPRN_SPRG3,r4 867 mtspr SPRN_SPRG_THREAD,r4
868 li r3,0 868 li r3,0
869 mtspr SPRN_SPRG2,r3 /* 0 => not in RTAS */ 869 mtspr SPRN_SPRG_RTAS,r3 /* 0 => not in RTAS */
870 870
871 /* enable MMU and jump to start_secondary */ 871 /* enable MMU and jump to start_secondary */
872 li r4,MSR_KERNEL 872 li r4,MSR_KERNEL
@@ -947,9 +947,9 @@ start_here:
947 tophys(r4,r2) 947 tophys(r4,r2)
948 addi r4,r4,THREAD /* init task's THREAD */ 948 addi r4,r4,THREAD /* init task's THREAD */
949 CLR_TOP32(r4) 949 CLR_TOP32(r4)
950 mtspr SPRN_SPRG3,r4 950 mtspr SPRN_SPRG_THREAD,r4
951 li r3,0 951 li r3,0
952 mtspr SPRN_SPRG2,r3 /* 0 => not in RTAS */ 952 mtspr SPRN_SPRG_RTAS,r3 /* 0 => not in RTAS */
953 953
954 /* stack */ 954 /* stack */
955 lis r1,init_thread_union@ha 955 lis r1,init_thread_union@ha