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| author | Peter Maydell <peter.maydell@linaro.org> | 2017-09-07 13:54:53 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-09-07 13:54:53 +0100 |
| commit | ecf5e8eae8b0b5fa41f00b53d67747b42fd1b8b9 (patch) | |
| tree | 56930bb977234b0836ed9e57fba0622a1facd3d3 /target/arm/helper.c | |
| parent | 1bc04a8880374407c4b12d82ceb8752e12ff5336 (diff) | |
| download | focaccia-qemu-ecf5e8eae8b0b5fa41f00b53d67747b42fd1b8b9.tar.gz focaccia-qemu-ecf5e8eae8b0b5fa41f00b53d67747b42fd1b8b9.zip | |
target/arm: Make MPU_CTRL register banked for v8M
Make the MPU_CTRL register banked if v8M security extensions are enabled. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 1503414539-28762-16-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/helper.c')
| -rw-r--r-- | target/arm/helper.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c index 4db191ed07..cc68688d88 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -7091,7 +7091,7 @@ static inline bool regime_translation_disabled(CPUARMState *env, ARMMMUIdx mmu_idx) { if (arm_feature(env, ARM_FEATURE_M)) { - switch (env->v7m.mpu_ctrl & + switch (env->v7m.mpu_ctrl[regime_is_secure(env, mmu_idx)] & (R_V7M_MPU_CTRL_ENABLE_MASK | R_V7M_MPU_CTRL_HFNMIENA_MASK)) { case R_V7M_MPU_CTRL_ENABLE_MASK: /* Enabled, but not for HardFault and NMI */ @@ -8251,7 +8251,8 @@ static bool pmsav7_use_background_region(ARMCPU *cpu, } if (arm_feature(env, ARM_FEATURE_M)) { - return env->v7m.mpu_ctrl & R_V7M_MPU_CTRL_PRIVDEFENA_MASK; + return env->v7m.mpu_ctrl[regime_is_secure(env, mmu_idx)] + & R_V7M_MPU_CTRL_PRIVDEFENA_MASK; } else { return regime_sctlr(env, mmu_idx) & SCTLR_BR; } |