diff --git a/target-arm/cpu-qom.h b/target-arm/cpu-qom.h index 848ac2ffdf..4ccfc897c2 100644 --- a/target-arm/cpu-qom.h +++ b/target-arm/cpu-qom.h @@ -107,5 +107,6 @@ static inline ARMCPU *arm_env_get_cpu(CPUARMState *env) #define ENV_GET_CPU(e) CPU(arm_env_get_cpu(e)) void arm_cpu_realize(ARMCPU *cpu); +void register_cp_regs_for_features(ARMCPU *cpu); #endif diff --git a/target-arm/cpu.c b/target-arm/cpu.c index 6456a3dfa8..1aff266b6b 100644 --- a/target-arm/cpu.c +++ b/target-arm/cpu.c @@ -216,6 +216,8 @@ void arm_cpu_realize(ARMCPU *cpu) if (arm_feature(env, ARM_FEATURE_VFP3)) { set_feature(env, ARM_FEATURE_VFP); } + + register_cp_regs_for_features(cpu); } /* CPU models */ diff --git a/target-arm/helper.c b/target-arm/helper.c index 57bb78b7bd..f7c9a3a1e8 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -56,6 +56,17 @@ static int vfp_gdb_set_reg(CPUARMState *env, uint8_t *buf, int reg) return 0; } +void register_cp_regs_for_features(ARMCPU *cpu) +{ + /* Register all the coprocessor registers based on feature bits */ + CPUARMState *env = &cpu->env; + if (arm_feature(env, ARM_FEATURE_M)) { + /* M profile has no coprocessor registers */ + return; + } + +} + ARMCPU *cpu_arm_init(const char *cpu_model) { ARMCPU *cpu;