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>
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 6f0ae1a..9d1f935 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -759,7 +759,7 @@
/* Emulate the mfspr rD, PVR. */
if ((instword & PPC_INST_MFSPR_PVR_MASK) == PPC_INST_MFSPR_PVR) {
- PPC_WARN_EMULATED(mfpvr);
+ PPC_WARN_EMULATED(mfpvr, regs);
rd = (instword >> 21) & 0x1f;
regs->gpr[rd] = mfspr(SPRN_PVR);
return 0;
@@ -767,7 +767,7 @@
/* Emulating the dcba insn is just a no-op. */
if ((instword & PPC_INST_DCBA_MASK) == PPC_INST_DCBA) {
- PPC_WARN_EMULATED(dcba);
+ PPC_WARN_EMULATED(dcba, regs);
return 0;
}
@@ -776,7 +776,7 @@
int shift = (instword >> 21) & 0x1c;
unsigned long msk = 0xf0000000UL >> shift;
- PPC_WARN_EMULATED(mcrxr);
+ PPC_WARN_EMULATED(mcrxr, regs);
regs->ccr = (regs->ccr & ~msk) | ((regs->xer >> shift) & msk);
regs->xer &= ~0xf0000000UL;
return 0;
@@ -784,19 +784,19 @@
/* Emulate load/store string insn. */
if ((instword & PPC_INST_STRING_GEN_MASK) == PPC_INST_STRING) {
- PPC_WARN_EMULATED(string);
+ PPC_WARN_EMULATED(string, regs);
return emulate_string_inst(regs, instword);
}
/* Emulate the popcntb (Population Count Bytes) instruction. */
if ((instword & PPC_INST_POPCNTB_MASK) == PPC_INST_POPCNTB) {
- PPC_WARN_EMULATED(popcntb);
+ PPC_WARN_EMULATED(popcntb, regs);
return emulate_popcntb_inst(regs, instword);
}
/* Emulate isel (Integer Select) instruction */
if ((instword & PPC_INST_ISEL_MASK) == PPC_INST_ISEL) {
- PPC_WARN_EMULATED(isel);
+ PPC_WARN_EMULATED(isel, regs);
return emulate_isel(regs, instword);
}
@@ -995,7 +995,7 @@
#ifdef CONFIG_MATH_EMULATION
errcode = do_mathemu(regs);
if (errcode >= 0)
- PPC_WARN_EMULATED(math);
+ PPC_WARN_EMULATED(math, regs);
switch (errcode) {
case 0:
@@ -1018,7 +1018,7 @@
#elif defined(CONFIG_8XX_MINIMAL_FPEMU)
errcode = Soft_emulate_8xx(regs);
if (errcode >= 0)
- PPC_WARN_EMULATED(8xx);
+ PPC_WARN_EMULATED(8xx, regs);
switch (errcode) {
case 0:
@@ -1129,7 +1129,7 @@
flush_altivec_to_thread(current);
- PPC_WARN_EMULATED(altivec);
+ PPC_WARN_EMULATED(altivec, regs);
err = emulate_altivec(regs);
if (err == 0) {
regs->nip += 4; /* skip emulated instruction */