diff options
Diffstat (limited to 'target-arm/cpu.h')
| -rw-r--r-- | target-arm/cpu.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target-arm/cpu.h b/target-arm/cpu.h index 3d3e1d5e78..8098b8d357 100644 --- a/target-arm/cpu.h +++ b/target-arm/cpu.h @@ -1205,6 +1205,10 @@ static inline bool arm_singlestep_active(CPUARMState *env) #define ARM_TBFLAG_BSWAP_CODE_MASK (1 << ARM_TBFLAG_BSWAP_CODE_SHIFT) #define ARM_TBFLAG_CPACR_FPEN_SHIFT 17 #define ARM_TBFLAG_CPACR_FPEN_MASK (1 << ARM_TBFLAG_CPACR_FPEN_SHIFT) +#define ARM_TBFLAG_SS_ACTIVE_SHIFT 18 +#define ARM_TBFLAG_SS_ACTIVE_MASK (1 << ARM_TBFLAG_SS_ACTIVE_SHIFT) +#define ARM_TBFLAG_PSTATE_SS_SHIFT 19 +#define ARM_TBFLAG_PSTATE_SS_MASK (1 << ARM_TBFLAG_PSTATE_SS_SHIFT) /* Bit usage when in AArch64 state */ #define ARM_TBFLAG_AA64_EL_SHIFT 0 @@ -1235,6 +1239,10 @@ static inline bool arm_singlestep_active(CPUARMState *env) (((F) & ARM_TBFLAG_BSWAP_CODE_MASK) >> ARM_TBFLAG_BSWAP_CODE_SHIFT) #define ARM_TBFLAG_CPACR_FPEN(F) \ (((F) & ARM_TBFLAG_CPACR_FPEN_MASK) >> ARM_TBFLAG_CPACR_FPEN_SHIFT) +#define ARM_TBFLAG_SS_ACTIVE(F) \ + (((F) & ARM_TBFLAG_SS_ACTIVE_MASK) >> ARM_TBFLAG_SS_ACTIVE_SHIFT) +#define ARM_TBFLAG_PSTATE_SS(F) \ + (((F) & ARM_TBFLAG_PSTATE_SS_MASK) >> ARM_TBFLAG_PSTATE_SS_SHIFT) #define ARM_TBFLAG_AA64_EL(F) \ (((F) & ARM_TBFLAG_AA64_EL_MASK) >> ARM_TBFLAG_AA64_EL_SHIFT) #define ARM_TBFLAG_AA64_FPEN(F) \ @@ -1292,6 +1300,19 @@ static inline void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc, if (fpen == 3 || (fpen == 1 && arm_current_pl(env) != 0)) { *flags |= ARM_TBFLAG_CPACR_FPEN_MASK; } + /* The SS_ACTIVE and PSTATE_SS bits correspond to the state machine + * states defined in the ARM ARM for software singlestep: + * SS_ACTIVE PSTATE.SS State + * 0 x Inactive (the TB flag for SS is always 0) + * 1 0 Active-pending + * 1 1 Active-not-pending + */ + if (arm_singlestep_active(env)) { + *flags |= ARM_TBFLAG_SS_ACTIVE_MASK; + if (env->uncached_cpsr & PSTATE_SS) { + *flags |= ARM_TBFLAG_PSTATE_SS_MASK; + } + } } *cs_base = 0; |