diff options
| -rw-r--r-- | target-arm/helper.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index b7c926db18..57fa8c85b8 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -891,6 +891,8 @@ static const ARMCPRegInfo pmsav5_cp_reginfo[] = { static int vmsa_ttbcr_raw_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { + int maskshift = extract32(value, 0, 3); + if (arm_feature(env, ARM_FEATURE_LPAE)) { value &= ~((7 << 19) | (3 << 14) | (0xf << 3)); } else { @@ -902,8 +904,8 @@ static int vmsa_ttbcr_raw_write(CPUARMState *env, const ARMCPRegInfo *ri, * and the c2_mask and c2_base_mask values are meaningless. */ env->cp15.c2_control = value; - env->cp15.c2_mask = ~(((uint32_t)0xffffffffu) >> value); - env->cp15.c2_base_mask = ~((uint32_t)0x3fffu >> value); + env->cp15.c2_mask = ~(((uint32_t)0xffffffffu) >> maskshift); + env->cp15.c2_base_mask = ~((uint32_t)0x3fffu >> maskshift); return 0; } |