diff options
Diffstat (limited to 'target-ppc/mmu-hash64.c')
| -rw-r--r-- | target-ppc/mmu-hash64.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target-ppc/mmu-hash64.c b/target-ppc/mmu-hash64.c index ea6e99acd1..668da5e226 100644 --- a/target-ppc/mmu-hash64.c +++ b/target-ppc/mmu-hash64.c @@ -219,6 +219,24 @@ static int ppc_load_slb_vsid(PowerPCCPU *cpu, target_ulong rb, return 0; } +static int ppc_find_slb_vsid(PowerPCCPU *cpu, target_ulong rb, + target_ulong *rt) +{ + CPUPPCState *env = &cpu->env; + ppc_slb_t *slb; + + if (!msr_is_64bit(env, env->msr)) { + rb &= 0xffffffff; + } + slb = slb_lookup(cpu, rb); + if (slb == NULL) { + *rt = (target_ulong)-1ul; + } else { + *rt = slb->vsid; + } + return 0; +} + void helper_store_slb(CPUPPCState *env, target_ulong rb, target_ulong rs) { PowerPCCPU *cpu = ppc_env_get_cpu(env); @@ -241,6 +259,18 @@ target_ulong helper_load_slb_esid(CPUPPCState *env, target_ulong rb) return rt; } +target_ulong helper_find_slb_vsid(CPUPPCState *env, target_ulong rb) +{ + PowerPCCPU *cpu = ppc_env_get_cpu(env); + target_ulong rt = 0; + + if (ppc_find_slb_vsid(cpu, rb, &rt) < 0) { + helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM, + POWERPC_EXCP_INVAL); + } + return rt; +} + target_ulong helper_load_slb_vsid(CPUPPCState *env, target_ulong rb) { PowerPCCPU *cpu = ppc_env_get_cpu(env); |