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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>
This commit is contained in:
Michael Ellerman 2011-04-07 21:56:02 +00:00 committed by Benjamin Herrenschmidt
parent 0407a31429
commit 9d4a2925c2
2 changed files with 12 additions and 4 deletions
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10
arch/powerpc/include/asm/reg.h
View File

@ -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 */

6
arch/powerpc/include/asm/reg_booke.h
View File

@ -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)