From: Michael Ellerman Date: Tue, 8 Aug 2017 06:39:25 +0000 (+1000) Subject: powerpc/traps: Use SRR1 defines for program check reasons X-Git-Tag: v4.14-rc1~119^2~240 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d30a5a5262ca64d58aa07fb2ecd7f992df83b4bc;p=platform%2Fkernel%2Flinux-rpi.git powerpc/traps: Use SRR1 defines for program check reasons Currently we open code the reason codes for program checks. Instead use the existing SRR1 defines. Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 73be2f7..c0600e9 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -724,6 +724,7 @@ * may not be recoverable */ #define SRR1_WS_DEEPER 0x00020000 /* Some resources not maintained */ #define SRR1_WS_DEEP 0x00010000 /* All resources maintained */ +#define SRR1_PROGTM 0x00200000 /* TM Bad Thing */ #define SRR1_PROGFPE 0x00100000 /* Floating Point Enabled */ #define SRR1_PROGILL 0x00080000 /* Illegal instruction */ #define SRR1_PROGPRIV 0x00040000 /* Privileged instruction */ diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index a891c27..c567d70 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -379,11 +379,11 @@ static inline int check_io_access(struct pt_regs *regs) /* On non-4xx, the reason for the machine check or program exception is in the MSR. */ #define get_reason(regs) ((regs)->msr) -#define REASON_TM 0x200000 -#define REASON_FP 0x100000 -#define REASON_ILLEGAL 0x80000 -#define REASON_PRIVILEGED 0x40000 -#define REASON_TRAP 0x20000 +#define REASON_TM SRR1_PROGTM +#define REASON_FP SRR1_PROGFPE +#define REASON_ILLEGAL SRR1_PROGILL +#define REASON_PRIVILEGED SRR1_PROGPRIV +#define REASON_TRAP SRR1_PROGTRAP #define single_stepping(regs) ((regs)->msr & MSR_SE) #define clear_single_step(regs) ((regs)->msr &= ~MSR_SE)