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| author | Paul Mackerras | 2005-10-28 14:48:08 +0200 |
|---|---|---|
| committer | Paul Mackerras | 2005-10-28 14:48:08 +0200 |
| commit | c032524f0ddea5fcc3a2cece0d4a61f37e5ca9cd (patch) | |
| tree | c4ece990e6083cfedc640a06f908bfe33fd344bd /include/asm-powerpc/reg.h | |
| parent | powerpc: Rename asm offset TRAP to _TRAP for 32-bit (diff) | |
| download | kernel-qcow2-linux-c032524f0ddea5fcc3a2cece0d4a61f37e5ca9cd.tar.gz kernel-qcow2-linux-c032524f0ddea5fcc3a2cece0d4a61f37e5ca9cd.tar.xz kernel-qcow2-linux-c032524f0ddea5fcc3a2cece0d4a61f37e5ca9cd.zip | |
powerpc: Make single-stepping emulation (mostly) usable on 32-bit
The sc instruction emulation can't be done the same way on 32-bit
as 64-bit yet, but this should work OK.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc/reg.h')
| -rw-r--r-- | include/asm-powerpc/reg.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h index 68058d72d8da..bfb45a4523d3 100644 --- a/include/asm-powerpc/reg.h +++ b/include/asm-powerpc/reg.h @@ -51,9 +51,17 @@ #define __MASK(X) (1UL<<(X)) #endif +#ifdef CONFIG_PPC64 #define MSR_SF __MASK(MSR_SF_LG) /* Enable 64 bit mode */ #define MSR_ISF __MASK(MSR_ISF_LG) /* Interrupt 64b mode valid on 630 */ #define MSR_HV __MASK(MSR_HV_LG) /* Hypervisor state */ +#else +/* so tests for these bits fail on 32-bit */ +#define MSR_SF 0 +#define MSR_ISF 0 +#define MSR_HV 0 +#endif + #define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */ #define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */ #define MSR_WE __MASK(MSR_WE_LG) /* Wait State Enable */ |