void arm_cpu_realize(ARMCPU *cpu)
{
/* This function is called by cpu_arm_init() because it
* needs to do common actions based on feature bits, etc
* that have been set by the subclass init functions.
* When we have QOM realize support it should become
* a true realize function instead.
*/
CPUARMState *env = &cpu->env;
/* Some features automatically imply others: */
if (arm_feature(env, ARM_FEATURE_V7)) {
set_feature(env, ARM_FEATURE_VAPA);
set_feature(env, ARM_FEATURE_THUMB2);
set_feature(env, ARM_FEATURE_MPIDR);
if (!arm_feature(env, ARM_FEATURE_M)) {
set_feature(env, ARM_FEATURE_V6K);
} else {
set_feature(env, ARM_FEATURE_V6);
}
}
if (arm_feature(env, ARM_FEATURE_V6K)) {
set_feature(env, ARM_FEATURE_V6);
set_feature(env, ARM_FEATURE_MVFR);
}
if (arm_feature(env, ARM_FEATURE_V6)) {
set_feature(env, ARM_FEATURE_V5);
if (!arm_feature(env, ARM_FEATURE_M)) {
set_feature(env, ARM_FEATURE_AUXCR);
}
}
if (arm_feature(env, ARM_FEATURE_V5)) {
set_feature(env, ARM_FEATURE_V4T);
}
if (arm_feature(env, ARM_FEATURE_M)) {
set_feature(env, ARM_FEATURE_THUMB_DIV);
}
if (arm_feature(env, ARM_FEATURE_ARM_DIV)) {
set_feature(env, ARM_FEATURE_THUMB_DIV);
}
if (arm_feature(env, ARM_FEATURE_VFP4)) {
set_feature(env, ARM_FEATURE_VFP3);
}
if (arm_feature(env, ARM_FEATURE_VFP3)) {
set_feature(env, ARM_FEATURE_VFP);
}
if (arm_feature(env, ARM_FEATURE_LPAE)) {
set_feature(env, ARM_FEATURE_PXN);
}
register_cp_regs_for_features(cpu);
}
static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
{
CPUState *cs = CPU(dev);
ARMCPU *cpu = ARM_CPU(dev);
ARMCPUClass *acc = ARM_CPU_GET_CLASS(dev);
CPUARMState *env = &cpu->env;
/* Some features automatically imply others: */
if (arm_feature(env, ARM_FEATURE_V8)) {
set_feature(env, ARM_FEATURE_V7);
set_feature(env, ARM_FEATURE_ARM_DIV);
set_feature(env, ARM_FEATURE_LPAE);
set_feature(env, ARM_FEATURE_V8_AES);
}
if (arm_feature(env, ARM_FEATURE_V7)) {
set_feature(env, ARM_FEATURE_VAPA);
set_feature(env, ARM_FEATURE_THUMB2);
set_feature(env, ARM_FEATURE_MPIDR);
if (!arm_feature(env, ARM_FEATURE_M)) {
set_feature(env, ARM_FEATURE_V6K);
} else {
set_feature(env, ARM_FEATURE_V6);
}
}
if (arm_feature(env, ARM_FEATURE_V6K)) {
set_feature(env, ARM_FEATURE_V6);
set_feature(env, ARM_FEATURE_MVFR);
}
if (arm_feature(env, ARM_FEATURE_V6)) {
set_feature(env, ARM_FEATURE_V5);
if (!arm_feature(env, ARM_FEATURE_M)) {
set_feature(env, ARM_FEATURE_AUXCR);
}
}
if (arm_feature(env, ARM_FEATURE_V5)) {
set_feature(env, ARM_FEATURE_V4T);
}
if (arm_feature(env, ARM_FEATURE_M)) {
set_feature(env, ARM_FEATURE_THUMB_DIV);
}
if (arm_feature(env, ARM_FEATURE_ARM_DIV)) {
set_feature(env, ARM_FEATURE_THUMB_DIV);
}
if (arm_feature(env, ARM_FEATURE_VFP4)) {
set_feature(env, ARM_FEATURE_VFP3);
}
if (arm_feature(env, ARM_FEATURE_VFP3)) {
set_feature(env, ARM_FEATURE_VFP);
}
if (arm_feature(env, ARM_FEATURE_LPAE)) {
set_feature(env, ARM_FEATURE_V7MP);
set_feature(env, ARM_FEATURE_PXN);
}
if (arm_feature(env, ARM_FEATURE_CBAR_RO)) {
set_feature(env, ARM_FEATURE_CBAR);
}
if (cpu->reset_hivecs) {
cpu->reset_sctlr |= (1 << 13);
}
register_cp_regs_for_features(cpu);
arm_cpu_register_gdb_regs_for_features(cpu);
init_cpreg_list(cpu);
cpu_reset(cs);
qemu_init_vcpu(cs);
acc->parent_realize(dev, errp);
}
