diff options
Diffstat (limited to 'target/ppc/cpu.h')
-rw-r--r-- | target/ppc/cpu.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 21f0ddd056..042372c5ad 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -2491,6 +2491,28 @@ static inline uint32_t booke206_tlbnps(CPUPPCState *env, const int tlbn) return ret; } +static inline void booke206_fixed_size_tlbn(CPUPPCState *env, const int tlbn, + ppcmas_tlb_t *tlb) +{ + uint8_t i; + int32_t tsize = -1; + + for (i = 0; i < 32; i++) { + if ((env->spr[SPR_BOOKE_TLB0PS + tlbn]) & (1ULL << i)) { + if (tsize == -1) { + tsize = i; + } else { + return; + } + } + } + + /* TLBnPS unimplemented? Odd.. */ + assert(tsize != -1); + tlb->mas1 &= ~MAS1_TSIZE_MASK; + tlb->mas1 |= ((uint32_t)tsize) << MAS1_TSIZE_SHIFT; +} + #endif static inline bool msr_is_64bit(CPUPPCState *env, target_ulong msr) |