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powerpc/traps: Use SRR1 defines for program check reasons

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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>
This commit is contained in:
Michael Ellerman
2017-08-08 16:39:25 +10:00
parent ccd3cd3613
commit d30a5a5262
2 changed files with 6 additions and 5 deletions
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10
arch/powerpc/kernel/traps.c
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@@ -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)