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target/arm: Convert sve from feature bit to aa64pfr0 test

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Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181016223115.24100-8-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-10-24 07:50:17 +01:00 • committed by Peter Maydell
parent 09cbd50198
commit cd208a1c39
8 changed files with 37 additions and 16 deletions
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4
linux-user/aarch64/signal.c
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@ -314,7 +314,7 @@ static int target_restore_sigframe(CPUARMState *env,
break;
case TARGET_SVE_MAGIC:
if (arm_feature(env, ARM_FEATURE_SVE)) {
if (cpu_isar_feature(aa64_sve, arm_env_get_cpu(env))) {
vq = (env->vfp.zcr_el[1] & 0xf) + 1;
sve_size = QEMU_ALIGN_UP(TARGET_SVE_SIG_CONTEXT_SIZE(vq), 16);
if (!sve && size == sve_size) {
@ -433,7 +433,7 @@ static void target_setup_frame(int usig, struct target_sigaction *ka,
&layout);
/* SVE state needs saving only if it exists. */
if (arm_feature(env, ARM_FEATURE_SVE)) {
if (cpu_isar_feature(aa64_sve, arm_env_get_cpu(env))) {
vq = (env->vfp.zcr_el[1] & 0xf) + 1;
sve_size = QEMU_ALIGN_UP(TARGET_SVE_SIG_CONTEXT_SIZE(vq), 16);
sve_ofs = alloc_sigframe_space(sve_size, &layout);