diff options
Diffstat (limited to 'target/hppa/mem_helper.c')
| -rw-r--r-- | target/hppa/mem_helper.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c index 59619e9ba8..995b1937f6 100644 --- a/target/hppa/mem_helper.c +++ b/target/hppa/mem_helper.c @@ -277,4 +277,41 @@ void HELPER(itlbp)(CPUHPPAState *env, target_ulong addr, target_ureg reg) ent->t = extract32(reg, 29, 1); ent->entry_valid = 1; } + +/* Purge (Insn/Data) TLB. This is explicitly page-based, and is + synchronous across all processors. */ +static void ptlb_work(CPUState *cpu, run_on_cpu_data data) +{ + CPUHPPAState *env = cpu->env_ptr; + target_ulong addr = (target_ulong) data.target_ptr; + hppa_tlb_entry *ent = hppa_find_tlb(env, addr); + + if (ent && ent->entry_valid) { + hppa_flush_tlb_ent(env, ent); + } +} + +void HELPER(ptlb)(CPUHPPAState *env, target_ulong addr) +{ + CPUState *src = CPU(hppa_env_get_cpu(env)); + CPUState *cpu; + run_on_cpu_data data = RUN_ON_CPU_TARGET_PTR(addr); + + CPU_FOREACH(cpu) { + if (cpu != src) { + async_run_on_cpu(cpu, ptlb_work, data); + } + } + async_safe_run_on_cpu(src, ptlb_work, data); +} + +/* Purge (Insn/Data) TLB entry. This affects an implementation-defined + number of pages/entries (we choose all), and is local to the cpu. */ +void HELPER(ptlbe)(CPUHPPAState *env) +{ + CPUState *src = CPU(hppa_env_get_cpu(env)); + + memset(env->tlb, 0, sizeof(env->tlb)); + tlb_flush_by_mmuidx(src, 0xf); +} #endif /* CONFIG_USER_ONLY */ |