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authorMichael Ellerman <michael@ellerman.id.au>2011-04-07 21:56:02 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-04-27 14:18:43 +1000
commit9d4a2925c290a053bb279e75e7a649069fdcaf6b (patch)
treea1a70803d11ce84a0cfc479182086efcaf405087 /arch
parent0407a31429500e7e56da33a326ca7cf35c2c9d65 (diff)
downloadlinaro-lsk-9d4a2925c290a053bb279e75e7a649069fdcaf6b.tar.gz
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/reg.h10
-rw-r--r--arch/powerpc/include/asm/reg_booke.h6
2 files changed, 12 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 76d7d5fea5b..1f9ac12742e 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 */
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index b316794aa2b..817bd1ac175 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -27,10 +27,12 @@
#define MSR_CM (1<<31) /* Computation Mode (0=32-bit, 1=64-bit) */
#if defined(CONFIG_PPC_BOOK3E_64)
+#define MSR_64BIT MSR_CM
+
#define MSR_ MSR_ME | MSR_CE
-#define MSR_KERNEL MSR_ | MSR_CM
+#define MSR_KERNEL MSR_ | MSR_64BIT
#define MSR_USER32 MSR_ | MSR_PR | MSR_EE | MSR_DE
-#define MSR_USER64 MSR_USER32 | MSR_CM | MSR_DE
+#define MSR_USER64 MSR_USER32 | MSR_64BIT
#elif defined (CONFIG_40x)
#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE)
#define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE)