diff options
Diffstat (limited to 'arch/powerpc/include/asm/reg.h')
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index c8715331e1b0..6315edc205d8 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -652,6 +652,16 @@ * - SPRG2 scratch for exception vectors * - SPRG3 unused (user visible) * + * 64-bit embedded + * - SPRG0 generic exception scratch + * - SPRG2 TLB exception stack + * - SPRG3 unused (user visible) + * - SPRG4 unused (user visible) + * - SPRG6 TLB miss scratch (user visible, sorry !) + * - SPRG7 critical exception scratch + * - SPRG8 machine check exception scratch + * - SPRG9 debug exception scratch + * * All 32-bit: * - SPRG3 current thread_info pointer * (virtual on BookE, physical on others) @@ -705,6 +715,15 @@ #define SPRN_SPRG_SCRATCH0 SPRN_SPRG2 #endif +#ifdef CONFIG_PPC_BOOK3E_64 +#define SPRN_SPRG_MC_SCRATCH SPRN_SPRG8 +#define SPRN_SPRG_CRIT_SCRATCH SPRN_SPRG7 +#define SPRN_SPRG_DBG_SCRATCH SPRN_SPRG9 +#define SPRN_SPRG_TLB_EXFRAME SPRN_SPRG2 +#define SPRN_SPRG_TLB_SCRATCH SPRN_SPRG6 +#define SPRN_SPRG_GEN_SCRATCH SPRN_SPRG0 +#endif + #ifdef CONFIG_PPC_BOOK3S_32 #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0 #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1 |