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| author | Michael Ellerman <mpe@ellerman.id.au> | 2017-08-08 16:39:25 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-08-10 23:31:32 +1000 |
| commit | d30a5a5262ca64d58aa07fb2ecd7f992df83b4bc (patch) | |
| tree | 900c8c03dac7744c7b31d108fb410b298545a645 | |
| parent | ccd3cd361341b71ae2afa596f6b470fcb32a916e (diff) | |
| download | linux-d30a5a5262ca64d58aa07fb2ecd7f992df83b4bc.tar.bz2 | |
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 <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 10 |
2 files changed, 6 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 73be2f71dbbb..c0600e9e0ff5 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 a891c277040b..c567d706a7ed 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) |