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-rw-r--r--target/mips/cpu.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index ad163ea..bf70c77 100644
--- a/target/mips/cpu.c
+++ b/target/mips/cpu.c
@@ -268,6 +268,23 @@ static void mips_cpu_synchronize_from_tb(CPUState *cs,
env->hflags &= ~MIPS_HFLAG_BMASK;
env->hflags |= tb->flags & MIPS_HFLAG_BMASK;
}
+
+# ifndef CONFIG_USER_ONLY
+static bool mips_io_recompile_replay_branch(CPUState *cs,
+ const TranslationBlock *tb)
+{
+ MIPSCPU *cpu = MIPS_CPU(cs);
+ CPUMIPSState *env = &cpu->env;
+
+ if ((env->hflags & MIPS_HFLAG_BMASK) != 0
+ && env->active_tc.PC != tb->pc) {
+ env->active_tc.PC -= (env->hflags & MIPS_HFLAG_B16 ? 2 : 4);
+ env->hflags &= ~MIPS_HFLAG_BMASK;
+ return true;
+ }
+ return false;
+}
+# endif /* !CONFIG_USER_ONLY */
#endif /* CONFIG_TCG */
static bool mips_cpu_has_work(CPUState *cs)
@@ -679,6 +696,7 @@ static struct TCGCPUOps mips_tcg_ops = {
.do_interrupt = mips_cpu_do_interrupt,
.do_transaction_failed = mips_cpu_do_transaction_failed,
.do_unaligned_access = mips_cpu_do_unaligned_access,
+ .io_recompile_replay_branch = mips_io_recompile_replay_branch,
#endif /* !CONFIG_USER_ONLY */
};
#endif /* CONFIG_TCG */