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#include "config.h"
#include "config-host.h"
#include <string.h>
#include "hw/hw.h"
#include "qemu-kvm.h"
#include <libkvm.h>
#include <pthread.h>
#include <sys/utsname.h>
extern kvm_context_t kvm_context;
int kvm_arch_qemu_create_context(void)
{
return 0;
}
void kvm_arch_load_regs(CPUState *env)
{
}
void kvm_arch_save_regs(CPUState *env)
{
}
int kvm_arch_qemu_init_env(CPUState *cenv)
{
return 0;
}
int kvm_arch_halt(void *opaque, int vcpu)
{
CPUState *env = cpu_single_env;
env->hflags |= HF_HALTED_MASK;
env->exception_index = EXCP_HLT;
return 1;
}
void kvm_arch_pre_kvm_run(void *opaque, int vcpu)
{
}
void kvm_arch_post_kvm_run(void *opaque, int vcpu)
{
}
int kvm_arch_has_work(CPUState *env)
{
return 1;
}
int kvm_arch_try_push_interrupts(void *opaque)
{
return 1;
}
void kvm_arch_update_regs_for_sipi(CPUState *env)
{
}
void kvm_save_mpstate(CPUState *env)
{
#ifdef KVM_CAP_MP_STATE
int r;
struct kvm_mp_state mp_state;
r = kvm_get_mpstate(kvm_context, env->cpu_index, &mp_state);
if (r < 0)
env->mp_state = -1;
else
env->mp_state = mp_state.mp_state;
#endif
}
void kvm_load_mpstate(CPUState *env)
{
#ifdef KVM_CAP_MP_STATE
struct kvm_mp_state mp_state = { .mp_state = env->mp_state };
/*
* -1 indicates that the host did not support GET_MP_STATE ioctl,
* so don't touch it.
*/
if (env->mp_state != -1)
kvm_set_mpstate(kvm_context, env->cpu_index, &mp_state);
#endif
}
void kvm_arch_cpu_reset(CPUState *env)
{
if (kvm_irqchip_in_kernel(kvm_context)) {
#ifdef KVM_CAP_MP_STATE
kvm_reset_mpstate(kvm_context, env->cpu_index);
#endif
} else {
env->interrupt_request &= ~CPU_INTERRUPT_HARD;
env->halted = 1;
env->exception_index = EXCP_HLT;
}
}
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