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| author | Leon Alrae <leon.alrae@imgtec.com> | 2019-02-11 16:09:23 +0100 |
|---|---|---|
| committer | Aleksandar Markovic <amarkovic@wavecomp.com> | 2019-02-14 17:47:28 +0100 |
| commit | 33a07fa2db66376e6ee780d4a8b064dc5118cf34 (patch) | |
| tree | 67abf3dfc5fb163e7437f697480eeccb489cf536 /target/mips/helper.c | |
| parent | c7c7e1e9a5e3f0a8a1dbff6e4ccfd21c2dc9f845 (diff) | |
| download | focaccia-qemu-33a07fa2db66376e6ee780d4a8b064dc5118cf34.tar.gz focaccia-qemu-33a07fa2db66376e6ee780d4a8b064dc5118cf34.zip | |
target/mips: reimplement SC instruction emulation and use cmpxchg
Completely rewrite conditional stores handling. Use cmpxchg. This eliminates need for separate implementations of SC instruction emulation for user and system emulation. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com> Acked-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Emilio G. Cota <cota@braap.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/mips/helper.c')
| -rw-r--r-- | target/mips/helper.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/target/mips/helper.c b/target/mips/helper.c index 8988452dbd..944f094566 100644 --- a/target/mips/helper.c +++ b/target/mips/helper.c @@ -1463,10 +1463,8 @@ void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env, { CPUState *cs = CPU(mips_env_get_cpu(env)); - if (exception < EXCP_SC) { - qemu_log_mask(CPU_LOG_INT, "%s: %d %d\n", - __func__, exception, error_code); - } + qemu_log_mask(CPU_LOG_INT, "%s: %d %d\n", + __func__, exception, error_code); cs->exception_index = exception; env->error_code = error_code; |