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Marcelo Tosatti5fdbf972008-06-27 14:58:02 -03001#ifndef ASM_KVM_CACHE_REGS_H
2#define ASM_KVM_CACHE_REGS_H
3
4static inline unsigned long kvm_register_read(struct kvm_vcpu *vcpu,
5 enum kvm_reg reg)
6{
7 if (!test_bit(reg, (unsigned long *)&vcpu->arch.regs_avail))
8 kvm_x86_ops->cache_reg(vcpu, reg);
9
10 return vcpu->arch.regs[reg];
11}
12
13static inline void kvm_register_write(struct kvm_vcpu *vcpu,
14 enum kvm_reg reg,
15 unsigned long val)
16{
17 vcpu->arch.regs[reg] = val;
18 __set_bit(reg, (unsigned long *)&vcpu->arch.regs_dirty);
19 __set_bit(reg, (unsigned long *)&vcpu->arch.regs_avail);
20}
21
22static inline unsigned long kvm_rip_read(struct kvm_vcpu *vcpu)
23{
24 return kvm_register_read(vcpu, VCPU_REGS_RIP);
25}
26
27static inline void kvm_rip_write(struct kvm_vcpu *vcpu, unsigned long val)
28{
29 kvm_register_write(vcpu, VCPU_REGS_RIP, val);
30}
31
Avi Kivity6de4f3a2009-05-31 22:58:47 +030032static inline u64 kvm_pdptr_read(struct kvm_vcpu *vcpu, int index)
33{
34 if (!test_bit(VCPU_EXREG_PDPTR,
35 (unsigned long *)&vcpu->arch.regs_avail))
36 kvm_x86_ops->cache_reg(vcpu, VCPU_EXREG_PDPTR);
37
38 return vcpu->arch.pdptrs[index];
39}
40
Marcelo Tosatti5fdbf972008-06-27 14:58:02 -030041#endif