powerpc: Add MSR_64BIT
The MSR bit which indicates 64-bit-ness is different between server and
booke, so add a #define which gives you the right mask regardless.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 76d7d5f..1f9ac12 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -99,17 +99,23 @@
#define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */
#if defined(CONFIG_PPC_BOOK3S_64)
+#define MSR_64BIT MSR_SF
+
/* Server variant */
#define MSR_ MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF |MSR_HV
-#define MSR_KERNEL MSR_ | MSR_SF
+#define MSR_KERNEL MSR_ | MSR_64BIT
#define MSR_USER32 MSR_ | MSR_PR | MSR_EE
-#define MSR_USER64 MSR_USER32 | MSR_SF
+#define MSR_USER64 MSR_USER32 | MSR_64BIT
#elif defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_8xx)
/* Default MSR for kernel mode. */
#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR)
#define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE)
#endif
+#ifndef MSR_64BIT
+#define MSR_64BIT 0
+#endif
+
/* Floating Point Status and Control Register (FPSCR) Fields */
#define FPSCR_FX 0x80000000 /* FPU exception summary */
#define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */