diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2012-06-20 11:57:09 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2012-06-20 12:02:54 +0000 |
| commit | 2ceb98c0079a68078947c222111238c7c7ae89b5 (patch) | |
| tree | 2c6947d86947e51e355fdc7c0305f6ebf4f5ca57 /target-arm | |
| parent | e8070a23a8f9f6fa28ac1dcb4399c11492f18b10 (diff) | |
target-arm: Add register_cp_regs_for_features()
Add new function register_cp_regs_for_features() as a place to
register coprocessor registers dependent on feature flags.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/cpu-qom.h | 1 | ||||
| -rw-r--r-- | target-arm/cpu.c | 2 | ||||
| -rw-r--r-- | target-arm/helper.c | 11 |
3 files changed, 14 insertions, 0 deletions
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; |