Commit 4eb27640 authored by Greg Bellows's avatar Greg Bellows Committed by Peter Maydell
Browse files

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: default avatarGreg Bellows <greg.bellows@linaro.org>
Message-id: 1429888797-4378-1-git-send-email-greg.bellows@linaro.org
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 3d5c84ff

target-arm/helper.c

+3 −1
Original line number Diff line number Diff line
@@ -816,8 +816,10 @@ static void scr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) 
         * supported if EL2 exists. The bit is UNK/SBZP when

         * EL2 is unavailable. In QEMU ARMv7, we force it to always zero

         * when EL2 is unavailable.

         * On ARMv8, this bit is always available.

         */

        if (arm_feature(env, ARM_FEATURE_V7)) {

        if (arm_feature(env, ARM_FEATURE_V7) &&

            !arm_feature(env, ARM_FEATURE_V8)) {

            valid_mask &= ~SCR_SMD;

        }

    }