diff --git a/target/arm/helper.c b/target/arm/helper.c index 56a62b11d095c5cb0418d71b08b9e286b8c616ba..9627b4aab159c1b31e1bc0bc57c613f636191d42 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -5791,7 +5791,9 @@ static const ARMCPRegInfo debug_lpae_cp_reginfo[] = { int sve_exception_el(CPUARMState *env, int el) { #ifndef CONFIG_USER_ONLY - if (el <= 1) { + uint64_t hcr_el2 = arm_hcr_el2_eff(env); + + if (el <= 1 && (hcr_el2 & (HCR_E2H | HCR_TGE)) != (HCR_E2H | HCR_TGE)) { bool disabled = false; /* The CPACR.ZEN controls traps to EL1: @@ -5806,8 +5808,7 @@ int sve_exception_el(CPUARMState *env, int el) } if (disabled) { /* route_to_el2 */ - return (arm_feature(env, ARM_FEATURE_EL2) - && (arm_hcr_el2_eff(env) & HCR_TGE) ? 2 : 1); + return hcr_el2 & HCR_TGE ? 2 : 1; } /* Check CPACR.FPEN. */ @@ -11691,8 +11692,6 @@ uint32_t HELPER(crc32c)(uint32_t acc, uint32_t val, uint32_t bytes) int fp_exception_el(CPUARMState *env, int cur_el) { #ifndef CONFIG_USER_ONLY - int fpen; - /* CPACR and the CPTR registers don't exist before v6, so FP is * always accessible */ @@ -11720,30 +11719,34 @@ int fp_exception_el(CPUARMState *env, int cur_el) * 0, 2 : trap EL0 and EL1/PL1 accesses * 1 : trap only EL0 accesses * 3 : trap no accesses + * This register is ignored if E2H+TGE are both set. */ - fpen = extract32(env->cp15.cpacr_el1, 20, 2); - switch (fpen) { - case 0: - case 2: - if (cur_el == 0 || cur_el == 1) { - /* Trap to PL1, which might be EL1 or EL3 */ - if (arm_is_secure(env) && !arm_el_is_aa64(env, 3)) { + if ((arm_hcr_el2_eff(env) & (HCR_E2H | HCR_TGE)) != (HCR_E2H | HCR_TGE)) { + int fpen = extract32(env->cp15.cpacr_el1, 20, 2); + + switch (fpen) { + case 0: + case 2: + if (cur_el == 0 || cur_el == 1) { + /* Trap to PL1, which might be EL1 or EL3 */ + if (arm_is_secure(env) && !arm_el_is_aa64(env, 3)) { + return 3; + } + return 1; + } + if (cur_el == 3 && !is_a64(env)) { + /* Secure PL1 running at EL3 */ return 3; } - return 1; - } - if (cur_el == 3 && !is_a64(env)) { - /* Secure PL1 running at EL3 */ - return 3; - } - break; - case 1: - if (cur_el == 0) { - return 1; + break; + case 1: + if (cur_el == 0) { + return 1; + } + break; + case 3: + break; } - break; - case 3: - break; } /*