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-rw-r--r--target-ppc/helper_regs.h25
1 files changed, 21 insertions, 4 deletions
diff --git a/target-ppc/helper_regs.h b/target-ppc/helper_regs.h
index 3d279f1d8a..bb9ce60436 100644
--- a/target-ppc/helper_regs.h
+++ b/target-ppc/helper_regs.h
@@ -154,16 +154,33 @@ static inline int hreg_store_msr(CPUPPCState *env, target_ulong value,
}
#if !defined(CONFIG_USER_ONLY)
-static inline void check_tlb_flush(CPUPPCState *env)
+static inline void check_tlb_flush(CPUPPCState *env, bool global)
{
CPUState *cs = CPU(ppc_env_get_cpu(env));
- if (env->tlb_need_flush) {
- env->tlb_need_flush = 0;
+ if (env->tlb_need_flush & TLB_NEED_LOCAL_FLUSH) {
tlb_flush(cs, 1);
+ env->tlb_need_flush &= ~TLB_NEED_LOCAL_FLUSH;
+ }
+
+ /* Propagate TLB invalidations to other CPUs when the guest uses broadcast
+ * TLB invalidation instructions.
+ */
+ if (global && (env->tlb_need_flush & TLB_NEED_GLOBAL_FLUSH)) {
+ CPUState *other_cs;
+ CPU_FOREACH(other_cs) {
+ if (other_cs != cs) {
+ PowerPCCPU *cpu = POWERPC_CPU(other_cs);
+ CPUPPCState *other_env = &cpu->env;
+
+ other_env->tlb_need_flush &= ~TLB_NEED_LOCAL_FLUSH;
+ tlb_flush(other_cs, 1);
+ }
+ }
+ env->tlb_need_flush &= ~TLB_NEED_GLOBAL_FLUSH;
}
}
#else
-static inline void check_tlb_flush(CPUPPCState *env) { }
+static inline void check_tlb_flush(CPUPPCState *env, bool global) { }
#endif
#endif /* HELPER_REGS_H */