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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-01-12 11:24:35 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2023-01-23 13:32:38 +0000 |
| commit | f4318557149184d6dac99e561acabcb602a84ee1 (patch) | |
| tree | 1b37f89e0f831906f537371da829a67921d7bbe1 /target/arm/helper.c | |
| parent | fccb49182e23bd359092f7ab09bc7e60a0fff71a (diff) | |
| download | qemu-f4318557149184d6dac99e561acabcb602a84ee1.zip qemu-f4318557149184d6dac99e561acabcb602a84ee1.tar.gz qemu-f4318557149184d6dac99e561acabcb602a84ee1.tar.bz2 | |
target/arm/sme: Rebuild hflags in aarch64_set_svcr()
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230112102436.1913-7-philmd@linaro.org
Message-Id: <20230112004322.161330-1-richard.henderson@linaro.org>
[PMD: Split patch in multiple tiny steps]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/helper.c')
| -rw-r--r-- | target/arm/helper.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c index 564c5d9..8077967 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -6738,6 +6738,9 @@ void aarch64_set_svcr(CPUARMState *env, uint64_t new, uint64_t mask) { uint64_t change = (env->svcr ^ new) & mask; + if (change == 0) { + return; + } env->svcr ^= change; if (change & R_SVCR_SM_MASK) { @@ -6755,6 +6758,8 @@ void aarch64_set_svcr(CPUARMState *env, uint64_t new, uint64_t mask) if (change & new & R_SVCR_ZA_MASK) { memset(env->zarray, 0, sizeof(env->zarray)); } + + arm_rebuild_hflags(env); } static void svcr_write(CPUARMState *env, const ARMCPRegInfo *ri, @@ -6763,7 +6768,6 @@ static void svcr_write(CPUARMState *env, const ARMCPRegInfo *ri, helper_set_pstate_sm(env, FIELD_EX64(value, SVCR, SM)); helper_set_pstate_za(env, FIELD_EX64(value, SVCR, ZA)); aarch64_set_svcr(env, value, -1); - arm_rebuild_hflags(env); } static void smcr_write(CPUARMState *env, const ARMCPRegInfo *ri, |