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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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9
target/arm/helper.c
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@ -5618,7 +5618,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
define_one_arm_cp_reg(cpu, &sctlr);
}
if (arm_feature(env, ARM_FEATURE_SVE)) {
if (cpu_isar_feature(aa64_sve, cpu)) {
define_one_arm_cp_reg(cpu, &zcr_el1_reginfo);
if (arm_feature(env, ARM_FEATURE_EL2)) {
define_one_arm_cp_reg(cpu, &zcr_el2_reginfo);
@ -12671,13 +12671,15 @@ void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc,
uint32_t flags;
if (is_a64(env)) {
ARMCPU *cpu = arm_env_get_cpu(env);
*pc = env->pc;
flags = ARM_TBFLAG_AARCH64_STATE_MASK;
/* Get control bits for tagged addresses */
flags |= (arm_regime_tbi0(env, mmu_idx) << ARM_TBFLAG_TBI0_SHIFT);
flags |= (arm_regime_tbi1(env, mmu_idx) << ARM_TBFLAG_TBI1_SHIFT);
if (arm_feature(env, ARM_FEATURE_SVE)) {
if (cpu_isar_feature(aa64_sve, cpu)) {
int sve_el = sve_exception_el(env, current_el);
uint32_t zcr_len;
@ -12801,11 +12803,12 @@ void aarch64_sve_narrow_vq(CPUARMState *env, unsigned vq)
void aarch64_sve_change_el(CPUARMState *env, int old_el,
int new_el, bool el0_a64)
{
ARMCPU *cpu = arm_env_get_cpu(env);
int old_len, new_len;
bool old_a64, new_a64;
/* Nothing to do if no SVE. */
if (!arm_feature(env, ARM_FEATURE_SVE)) {
if (!cpu_isar_feature(aa64_sve, cpu)) {
return;
}