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| author | Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org> | 2024-05-26 13:45:51 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2024-05-30 15:45:21 +0100 |
| commit | daf9748ac002ec35258e5986b6257961fd04b565 (patch) | |
| tree | 49d0de848dd4ce7a9678af8bfad831e722df9269 | |
| parent | fa31b7e1681cfe20917f172b537a3a0988efc583 (diff) | |
| download | qemu-daf9748ac002ec35258e5986b6257961fd04b565.zip qemu-daf9748ac002ec35258e5986b6257961fd04b565.tar.gz qemu-daf9748ac002ec35258e5986b6257961fd04b565.tar.bz2 | |
target/arm: Disable SVE extensions when SVE is disabled
Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2304
Reported-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Message-id: 20240526204551.553282-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | target/arm/cpu64.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index c15d086..862d2b9 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -109,7 +109,11 @@ void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp) * No explicit bits enabled, and no implicit bits from sve-max-vq. */ if (!cpu_isar_feature(aa64_sve, cpu)) { - /* SVE is disabled and so are all vector lengths. Good. */ + /* + * SVE is disabled and so are all vector lengths. Good. + * Disable all SVE extensions as well. + */ + cpu->isar.id_aa64zfr0 = 0; return; } |