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[PATCH 3/4] target/mips: Create mips_io_recompile_replay_branch
From: |
Richard Henderson |
Subject: |
[PATCH 3/4] target/mips: Create mips_io_recompile_replay_branch |
Date: |
Mon, 8 Feb 2021 15:39:05 -0800 |
Move the code from accel/tcg/translate-all.c to target/mips/cpu.c.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
accel/tcg/translate-all.c | 12 ++----------
target/mips/cpu.c | 18 ++++++++++++++++++
2 files changed, 20 insertions(+), 10 deletions(-)
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 6eb37883bd..470657b02a 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -2417,7 +2417,7 @@ void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr)
*/
void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr)
{
-#if defined(TARGET_MIPS) || defined(TARGET_SH4)
+#if defined(TARGET_SH4)
CPUArchState *env = cpu->env_ptr;
#endif
TranslationBlock *tb;
@@ -2443,15 +2443,7 @@ void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr)
cpu_neg(cpu)->icount_decr.u16.low++;
n = 2;
}
-#if defined(TARGET_MIPS)
- if ((env->hflags & MIPS_HFLAG_BMASK) != 0
- && env->active_tc.PC != tb->pc) {
- env->active_tc.PC -= (env->hflags & MIPS_HFLAG_B16 ? 2 : 4);
- cpu_neg(cpu)->icount_decr.u16.low++;
- env->hflags &= ~MIPS_HFLAG_BMASK;
- n = 2;
- }
-#elif defined(TARGET_SH4)
+#if defined(TARGET_SH4)
if ((env->flags & ((DELAY_SLOT | DELAY_SLOT_CONDITIONAL))) != 0
&& env->pc != tb->pc) {
env->pc -= 2;
diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index ad163ead62..bf70c77295 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 */
--
2.25.1