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authorPaul Mackerras <paulus@samba.org>2005-10-28 22:48:08 +1000
committerPaul Mackerras <paulus@samba.org>2005-10-28 22:48:08 +1000
commitc032524f0ddea5fcc3a2cece0d4a61f37e5ca9cd (patch)
treec4ece990e6083cfedc640a06f908bfe33fd344bd /include/asm-powerpc/reg.h
parentd73e0c99f5c45e7b86d38725a4ff49f6746f5353 (diff)
downloadlinaro-lsk-c032524f0ddea5fcc3a2cece0d4a61f37e5ca9cd.tar.gz
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.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h
index 68058d72d8d..bfb45a4523d 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 */