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Diffstat (limited to 'arch/powerpc/include/asm/exception-64s.h')
-rw-r--r--arch/powerpc/include/asm/exception-64s.h35
1 files changed, 18 insertions, 17 deletions
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 07ca627e52c0..cca12f084842 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -48,17 +48,18 @@
#define EX_LR 72
#define EX_CFAR 80
#define EX_PPR 88 /* SMT thread status register (priority) */
+#define EX_CTR 96
#ifdef CONFIG_RELOCATABLE
#define __EXCEPTION_RELON_PROLOG_PSERIES_1(label, h) \
ld r12,PACAKBASE(r13); /* get high part of &label */ \
mfspr r11,SPRN_##h##SRR0; /* save SRR0 */ \
LOAD_HANDLER(r12,label); \
- mtlr r12; \
+ mtctr r12; \
mfspr r12,SPRN_##h##SRR1; /* and SRR1 */ \
li r10,MSR_RI; \
mtmsrd r10,1; /* Set RI (EE=0) */ \
- blr;
+ bctr;
#else
/* If not relocatable, we can jump directly -- and save messing with LR */
#define __EXCEPTION_RELON_PROLOG_PSERIES_1(label, h) \
@@ -97,18 +98,18 @@
#if defined(CONFIG_RELOCATABLE)
/*
- * If we support interrupts with relocation on AND we're a relocatable
- * kernel, we need to use LR to get to the 2nd level handler. So, save/restore
- * it when required.
+ * If we support interrupts with relocation on AND we're a relocatable kernel,
+ * we need to use CTR to get to the 2nd level handler. So, save/restore it
+ * when required.
*/
-#define SAVE_LR(reg, area) mflr reg ; std reg,area+EX_LR(r13)
-#define GET_LR(reg, area) ld reg,area+EX_LR(r13)
-#define RESTORE_LR(reg, area) ld reg,area+EX_LR(r13) ; mtlr reg
+#define SAVE_CTR(reg, area) mfctr reg ; std reg,area+EX_CTR(r13)
+#define GET_CTR(reg, area) ld reg,area+EX_CTR(r13)
+#define RESTORE_CTR(reg, area) ld reg,area+EX_CTR(r13) ; mtctr reg
#else
-/* ...else LR is unused and in register. */
-#define SAVE_LR(reg, area)
-#define GET_LR(reg, area) mflr reg
-#define RESTORE_LR(reg, area)
+/* ...else CTR is unused and in register. */
+#define SAVE_CTR(reg, area)
+#define GET_CTR(reg, area) mfctr reg
+#define RESTORE_CTR(reg, area)
#endif
/*
@@ -164,7 +165,7 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
#define __EXCEPTION_PROLOG_1(area, extra, vec) \
OPT_SAVE_REG_TO_PACA(area+EX_PPR, r9, CPU_FTR_HAS_PPR); \
OPT_SAVE_REG_TO_PACA(area+EX_CFAR, r10, CPU_FTR_CFAR); \
- SAVE_LR(r10, area); \
+ SAVE_CTR(r10, area); \
mfcr r9; \
extra(vec); \
std r11,area+EX_R11(r13); \
@@ -270,7 +271,7 @@ do_kvm_##n: \
sth r1,PACA_TRAP_SAVE(r13); \
std r3,area+EX_R3(r13); \
addi r3,r13,area; /* r3 -> where regs are saved*/ \
- RESTORE_LR(r1, area); \
+ RESTORE_CTR(r1, area); \
b bad_stack; \
3: std r9,_CCR(r1); /* save CR in stackframe */ \
std r11,_NIP(r1); /* save SRR0 in stackframe */ \
@@ -298,10 +299,10 @@ do_kvm_##n: \
ld r10,area+EX_CFAR(r13); \
std r10,ORIG_GPR3(r1); \
END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \
- GET_LR(r9,area); /* Get LR, later save to stack */ \
+ mflr r9; /* Get LR, later save to stack */ \
ld r2,PACATOC(r13); /* get kernel TOC into r2 */ \
std r9,_LINK(r1); \
- mfctr r10; /* save CTR in stackframe */ \
+ GET_CTR(r10, area); \
std r10,_CTR(r1); \
lbz r10,PACASOFTIRQEN(r13); \
mfspr r11,SPRN_XER; /* save XER in stackframe */ \
@@ -479,7 +480,7 @@ label##_relon_hv: \
*/
/* Exception addition: Hard disable interrupts */
-#define DISABLE_INTS SOFT_DISABLE_INTS(r10,r11)
+#define DISABLE_INTS RECONCILE_IRQ_STATE(r10,r11)
#define ADD_NVGPRS \
bl .save_nvgprs
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