diff options
Diffstat (limited to 'target/arm/helper.c')
| -rw-r--r-- | target/arm/helper.c | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c index 644599b29d..f00c141ef9 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -12955,16 +12955,18 @@ void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc, ARMMMUIdx mmu_idx = core_to_arm_mmu_idx(env, cpu_mmu_index(env, false)); int current_el = arm_current_el(env); int fp_el = fp_exception_el(env, current_el); - uint32_t flags; + uint32_t flags = 0; if (is_a64(env)) { ARMCPU *cpu = arm_env_get_cpu(env); *pc = env->pc; - flags = ARM_TBFLAG_AARCH64_STATE_MASK; + flags = FIELD_DP32(flags, TBFLAG_ANY, AARCH64_STATE, 1); /* Get control bits for tagged addresses */ - flags |= (arm_regime_tbi0(env, mmu_idx) << ARM_TBFLAG_TBI0_SHIFT); - flags |= (arm_regime_tbi1(env, mmu_idx) << ARM_TBFLAG_TBI1_SHIFT); + flags = FIELD_DP32(flags, TBFLAG_A64, TBI0, + arm_regime_tbi0(env, mmu_idx)); + flags = FIELD_DP32(flags, TBFLAG_A64, TBI1, + arm_regime_tbi1(env, mmu_idx)); if (cpu_isar_feature(aa64_sve, cpu)) { int sve_el = sve_exception_el(env, current_el); @@ -12978,28 +12980,25 @@ void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc, } else { zcr_len = sve_zcr_len_for_el(env, current_el); } - flags |= sve_el << ARM_TBFLAG_SVEEXC_EL_SHIFT; - flags |= zcr_len << ARM_TBFLAG_ZCR_LEN_SHIFT; + flags = FIELD_DP32(flags, TBFLAG_A64, SVEEXC_EL, sve_el); + flags = FIELD_DP32(flags, TBFLAG_A64, ZCR_LEN, zcr_len); } } else { *pc = env->regs[15]; - flags = (env->thumb << ARM_TBFLAG_THUMB_SHIFT) - | (env->vfp.vec_len << ARM_TBFLAG_VECLEN_SHIFT) - | (env->vfp.vec_stride << ARM_TBFLAG_VECSTRIDE_SHIFT) - | (env->condexec_bits << ARM_TBFLAG_CONDEXEC_SHIFT) - | (arm_sctlr_b(env) << ARM_TBFLAG_SCTLR_B_SHIFT); - if (!(access_secure_reg(env))) { - flags |= ARM_TBFLAG_NS_MASK; - } + flags = FIELD_DP32(flags, TBFLAG_A32, THUMB, env->thumb); + flags = FIELD_DP32(flags, TBFLAG_A32, VECLEN, env->vfp.vec_len); + flags = FIELD_DP32(flags, TBFLAG_A32, VECSTRIDE, env->vfp.vec_stride); + flags = FIELD_DP32(flags, TBFLAG_A32, CONDEXEC, env->condexec_bits); + flags = FIELD_DP32(flags, TBFLAG_A32, SCTLR_B, arm_sctlr_b(env)); + flags = FIELD_DP32(flags, TBFLAG_A32, NS, !access_secure_reg(env)); if (env->vfp.xregs[ARM_VFP_FPEXC] & (1 << 30) || arm_el_is_aa64(env, 1)) { - flags |= ARM_TBFLAG_VFPEN_MASK; + flags = FIELD_DP32(flags, TBFLAG_A32, VFPEN, 1); } - flags |= (extract32(env->cp15.c15_cpar, 0, 2) - << ARM_TBFLAG_XSCALE_CPAR_SHIFT); + flags = FIELD_DP32(flags, TBFLAG_A32, XSCALE_CPAR, env->cp15.c15_cpar); } - flags |= (arm_to_core_mmu_idx(mmu_idx) << ARM_TBFLAG_MMUIDX_SHIFT); + flags = FIELD_DP32(flags, TBFLAG_ANY, MMUIDX, arm_to_core_mmu_idx(mmu_idx)); /* The SS_ACTIVE and PSTATE_SS bits correspond to the state machine * states defined in the ARM ARM for software singlestep: @@ -13009,24 +13008,24 @@ void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc, * 1 1 Active-not-pending */ if (arm_singlestep_active(env)) { - flags |= ARM_TBFLAG_SS_ACTIVE_MASK; + flags = FIELD_DP32(flags, TBFLAG_ANY, SS_ACTIVE, 1); if (is_a64(env)) { if (env->pstate & PSTATE_SS) { - flags |= ARM_TBFLAG_PSTATE_SS_MASK; + flags = FIELD_DP32(flags, TBFLAG_ANY, PSTATE_SS, 1); } } else { if (env->uncached_cpsr & PSTATE_SS) { - flags |= ARM_TBFLAG_PSTATE_SS_MASK; + flags = FIELD_DP32(flags, TBFLAG_ANY, PSTATE_SS, 1); } } } if (arm_cpu_data_is_big_endian(env)) { - flags |= ARM_TBFLAG_BE_DATA_MASK; + flags = FIELD_DP32(flags, TBFLAG_ANY, BE_DATA, 1); } - flags |= fp_el << ARM_TBFLAG_FPEXC_EL_SHIFT; + flags = FIELD_DP32(flags, TBFLAG_ANY, FPEXC_EL, fp_el); if (arm_v7m_is_handler_mode(env)) { - flags |= ARM_TBFLAG_HANDLER_MASK; + flags = FIELD_DP32(flags, TBFLAG_A32, HANDLER, 1); } /* v8M always applies stack limit checks unless CCR.STKOFHFNMIGN is @@ -13036,7 +13035,7 @@ void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc, arm_feature(env, ARM_FEATURE_M) && !((mmu_idx & ARM_MMU_IDX_M_NEGPRI) && (env->v7m.ccr[env->v7m.secure] & R_V7M_CCR_STKOFHFNMIGN_MASK))) { - flags |= ARM_TBFLAG_STACKCHECK_MASK; + flags = FIELD_DP32(flags, TBFLAG_A32, STACKCHECK, 1); } *pflags = flags; |