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authorChristophe Leroy <christophe.leroy@c-s.fr>2018-05-23 09:04:04 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2018-05-25 00:08:24 +1000
commit8a0b1120cb25ccd4480ba4fe3650bc22b0dfadf4 (patch)
treeb56faa2b80220d460c976ba375feabcc6936c95e /arch/powerpc/mm/fault.c
parent43d2974b66d916a6df16e536da542e3a65aab7b9 (diff)
downloadlinux-8a0b1120cb25ccd4480ba4fe3650bc22b0dfadf4.tar.bz2
powerpc/mm: Use instruction symbolic names in store_updates_sp()
Use symbolic names defined in asm/ppc-opcode.h instead of hardcoded values. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/fault.c')
-rw-r--r--arch/powerpc/mm/fault.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index c01d627e687a..0c99f9b45e8f 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -80,23 +80,23 @@ static bool store_updates_sp(struct pt_regs *regs)
return false;
/* check major opcode */
switch (inst >> 26) {
- case 37: /* stwu */
- case 39: /* stbu */
- case 45: /* sthu */
- case 53: /* stfsu */
- case 55: /* stfdu */
+ case OP_STWU:
+ case OP_STBU:
+ case OP_STHU:
+ case OP_STFSU:
+ case OP_STFDU:
return true;
- case 62: /* std or stdu */
+ case OP_STD: /* std or stdu */
return (inst & 3) == 1;
- case 31:
+ case OP_31:
/* check minor opcode */
switch ((inst >> 1) & 0x3ff) {
- case 181: /* stdux */
- case 183: /* stwux */
- case 247: /* stbux */
- case 439: /* sthux */
- case 695: /* stfsux */
- case 759: /* stfdux */
+ case OP_31_XOP_STDUX:
+ case OP_31_XOP_STWUX:
+ case OP_31_XOP_STBUX:
+ case OP_31_XOP_STHUX:
+ case OP_31_XOP_STFSUX:
+ case OP_31_XOP_STFDUX:
return true;
}
}