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authorAnton Blanchard <anton@samba.org>2009-10-27 14:46:55 -0400
committerPaul Mackerras <paulus@samba.org>2009-10-28 01:13:03 -0400
commiteecff81d1fcda22cd0029d11fe2a71dceed11dad (patch)
tree9cbccbfc76a7336aa1d309b89407e31a76110784 /arch/powerpc/kernel/traps.c
parentf7d7986060b2890fc26db6ab5203efbd33aa2497 (diff)
powerpc: Create PPC_WARN_ALIGNMENT to match PPC_WARN_EMULATED
perf_event wants a separate event for alignment and emulation faults, so create another emulation event. This will make it easy to hook in perf_event at one spot. We pass in regs which will be required for these events. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
-rw-r--r--arch/powerpc/kernel/traps.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 6f0ae1a9bfae..9d1f9354d6ca 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -759,7 +759,7 @@ static int emulate_instruction(struct pt_regs *regs)
759 759
760 /* Emulate the mfspr rD, PVR. */ 760 /* Emulate the mfspr rD, PVR. */
761 if ((instword & PPC_INST_MFSPR_PVR_MASK) == PPC_INST_MFSPR_PVR) { 761 if ((instword & PPC_INST_MFSPR_PVR_MASK) == PPC_INST_MFSPR_PVR) {
762 PPC_WARN_EMULATED(mfpvr); 762 PPC_WARN_EMULATED(mfpvr, regs);
763 rd = (instword >> 21) & 0x1f; 763 rd = (instword >> 21) & 0x1f;
764 regs->gpr[rd] = mfspr(SPRN_PVR); 764 regs->gpr[rd] = mfspr(SPRN_PVR);
765 return 0; 765 return 0;
@@ -767,7 +767,7 @@ static int emulate_instruction(struct pt_regs *regs)
767 767
768 /* Emulating the dcba insn is just a no-op. */ 768 /* Emulating the dcba insn is just a no-op. */
769 if ((instword & PPC_INST_DCBA_MASK) == PPC_INST_DCBA) { 769 if ((instword & PPC_INST_DCBA_MASK) == PPC_INST_DCBA) {
770 PPC_WARN_EMULATED(dcba); 770 PPC_WARN_EMULATED(dcba, regs);
771 return 0; 771 return 0;
772 } 772 }
773 773
@@ -776,7 +776,7 @@ static int emulate_instruction(struct pt_regs *regs)
776 int shift = (instword >> 21) & 0x1c; 776 int shift = (instword >> 21) & 0x1c;
777 unsigned long msk = 0xf0000000UL >> shift; 777 unsigned long msk = 0xf0000000UL >> shift;
778 778
779 PPC_WARN_EMULATED(mcrxr); 779 PPC_WARN_EMULATED(mcrxr, regs);
780 regs->ccr = (regs->ccr & ~msk) | ((regs->xer >> shift) & msk); 780 regs->ccr = (regs->ccr & ~msk) | ((regs->xer >> shift) & msk);
781 regs->xer &= ~0xf0000000UL; 781 regs->xer &= ~0xf0000000UL;
782 return 0; 782 return 0;
@@ -784,19 +784,19 @@ static int emulate_instruction(struct pt_regs *regs)
784 784
785 /* Emulate load/store string insn. */ 785 /* Emulate load/store string insn. */
786 if ((instword & PPC_INST_STRING_GEN_MASK) == PPC_INST_STRING) { 786 if ((instword & PPC_INST_STRING_GEN_MASK) == PPC_INST_STRING) {
787 PPC_WARN_EMULATED(string); 787 PPC_WARN_EMULATED(string, regs);
788 return emulate_string_inst(regs, instword); 788 return emulate_string_inst(regs, instword);
789 } 789 }
790 790
791 /* Emulate the popcntb (Population Count Bytes) instruction. */ 791 /* Emulate the popcntb (Population Count Bytes) instruction. */
792 if ((instword & PPC_INST_POPCNTB_MASK) == PPC_INST_POPCNTB) { 792 if ((instword & PPC_INST_POPCNTB_MASK) == PPC_INST_POPCNTB) {
793 PPC_WARN_EMULATED(popcntb); 793 PPC_WARN_EMULATED(popcntb, regs);
794 return emulate_popcntb_inst(regs, instword); 794 return emulate_popcntb_inst(regs, instword);
795 } 795 }
796 796
797 /* Emulate isel (Integer Select) instruction */ 797 /* Emulate isel (Integer Select) instruction */
798 if ((instword & PPC_INST_ISEL_MASK) == PPC_INST_ISEL) { 798 if ((instword & PPC_INST_ISEL_MASK) == PPC_INST_ISEL) {
799 PPC_WARN_EMULATED(isel); 799 PPC_WARN_EMULATED(isel, regs);
800 return emulate_isel(regs, instword); 800 return emulate_isel(regs, instword);
801 } 801 }
802 802
@@ -995,7 +995,7 @@ void SoftwareEmulation(struct pt_regs *regs)
995#ifdef CONFIG_MATH_EMULATION 995#ifdef CONFIG_MATH_EMULATION
996 errcode = do_mathemu(regs); 996 errcode = do_mathemu(regs);
997 if (errcode >= 0) 997 if (errcode >= 0)
998 PPC_WARN_EMULATED(math); 998 PPC_WARN_EMULATED(math, regs);
999 999
1000 switch (errcode) { 1000 switch (errcode) {
1001 case 0: 1001 case 0:
@@ -1018,7 +1018,7 @@ void SoftwareEmulation(struct pt_regs *regs)
1018#elif defined(CONFIG_8XX_MINIMAL_FPEMU) 1018#elif defined(CONFIG_8XX_MINIMAL_FPEMU)
1019 errcode = Soft_emulate_8xx(regs); 1019 errcode = Soft_emulate_8xx(regs);
1020 if (errcode >= 0) 1020 if (errcode >= 0)
1021 PPC_WARN_EMULATED(8xx); 1021 PPC_WARN_EMULATED(8xx, regs);
1022 1022
1023 switch (errcode) { 1023 switch (errcode) {
1024 case 0: 1024 case 0:
@@ -1129,7 +1129,7 @@ void altivec_assist_exception(struct pt_regs *regs)
1129 1129
1130 flush_altivec_to_thread(current); 1130 flush_altivec_to_thread(current);
1131 1131
1132 PPC_WARN_EMULATED(altivec); 1132 PPC_WARN_EMULATED(altivec, regs);
1133 err = emulate_altivec(regs); 1133 err = emulate_altivec(regs);
1134 if (err == 0) { 1134 if (err == 0) {
1135 regs->nip += 4; /* skip emulated instruction */ 1135 regs->nip += 4; /* skip emulated instruction */