@@ -105,5 +105,6 @@ 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
@@ -210,6 +210,8 @@ 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 */
@@ -61,6 +61,17 @@ 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;
+ }
+
+}
+
CPUARMState *cpu_arm_init(const char *cpu_model)
{
ARMCPU *cpu;
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> --- target-arm/cpu-qom.h | 1 + target-arm/cpu.c | 2 ++ target-arm/helper.c | 11 +++++++++++ 3 files changed, 14 insertions(+), 0 deletions(-)