diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/copro.h | 7 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/mmu-hash64.h | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/copro.h b/arch/powerpc/include/asm/copro.h index 51cae85a50b4..b0e6a183181f 100644 --- a/arch/powerpc/include/asm/copro.h +++ b/arch/powerpc/include/asm/copro.h @@ -10,7 +10,14 @@ #ifndef _ASM_POWERPC_COPRO_H #define _ASM_POWERPC_COPRO_H +struct copro_slb +{ + u64 esid, vsid; +}; + int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea, unsigned long dsisr, unsigned *flt); +int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb); + #endif /* _ASM_POWERPC_COPRO_H */ diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index 92bc3a637923..bd813c00ede2 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -190,6 +190,13 @@ static inline unsigned int mmu_psize_to_shift(unsigned int mmu_psize) #ifndef __ASSEMBLY__ +static inline int slb_vsid_shift(int ssize) +{ + if (ssize == MMU_SEGSIZE_256M) + return SLB_VSID_SHIFT; + return SLB_VSID_SHIFT_1T; +} + static inline int segment_shift(int ssize) { if (ssize == MMU_SEGSIZE_256M) |