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Allow ARMv8 SCR.SMD updates
Updated scr_write to always allow updates to the SCR.SMD bit on ARMv8 regardless of whether virtualization (EL2) is enabled or not. Signed-off-by: Greg Bellows <greg.bellows@linaro.org> Message-id: 1429888797-4378-1-git-send-email-greg.bellows@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -816,8 +816,10 @@ static void scr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value)
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* supported if EL2 exists. The bit is UNK/SBZP when
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* EL2 is unavailable. In QEMU ARMv7, we force it to always zero
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* when EL2 is unavailable.
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* On ARMv8, this bit is always available.
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*/
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if (arm_feature(env, ARM_FEATURE_V7)) {
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if (arm_feature(env, ARM_FEATURE_V7) &&
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!arm_feature(env, ARM_FEATURE_V8)) {
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valid_mask &= ~SCR_SMD;
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}
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}
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