OpenCloudOS-Kernel/arch/x86/kvm/kvm_cache_regs.h

33 lines
811 B
C

#ifndef ASM_KVM_CACHE_REGS_H
#define ASM_KVM_CACHE_REGS_H
static inline unsigned long kvm_register_read(struct kvm_vcpu *vcpu,
enum kvm_reg reg)
{
if (!test_bit(reg, (unsigned long *)&vcpu->arch.regs_avail))
kvm_x86_ops->cache_reg(vcpu, reg);
return vcpu->arch.regs[reg];
}
static inline void kvm_register_write(struct kvm_vcpu *vcpu,
enum kvm_reg reg,
unsigned long val)
{
vcpu->arch.regs[reg] = val;
__set_bit(reg, (unsigned long *)&vcpu->arch.regs_dirty);
__set_bit(reg, (unsigned long *)&vcpu->arch.regs_avail);
}
static inline unsigned long kvm_rip_read(struct kvm_vcpu *vcpu)
{
return kvm_register_read(vcpu, VCPU_REGS_RIP);
}
static inline void kvm_rip_write(struct kvm_vcpu *vcpu, unsigned long val)
{
kvm_register_write(vcpu, VCPU_REGS_RIP, val);
}
#endif