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| author |   Avi Kivity <avi@redhat.com> | 2010-01-21 15:31:49 +0200 |
|---|---|---|
| committer |   Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 12:36:04 -0300 |
| commit | 836a1b3c3456042704c86aaa3d837b976de9343b (patch) | |
| tree | cf40744cf19a2e0bc407913ac86d53081116b022 /arch/x86/kvm/x86.h | |
| parent | KVM: Add a helper for checking if the guest is in protected mode (diff) | |
| download | linux-dev-836a1b3c3456042704c86aaa3d837b976de9343b.tar.xz linux-dev-836a1b3c3456042704c86aaa3d837b976de9343b.zip | |
KVM: Move cr0/cr4/efer related helpers to x86.h
They have more general scope than the mmu.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kvm/x86.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index f783d8fe0d1d..2dc24a755b6d 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -41,4 +41,28 @@ static inline bool is_protmode(struct kvm_vcpu *vcpu) return kvm_read_cr0_bits(vcpu, X86_CR0_PE); } +static inline int is_long_mode(struct kvm_vcpu *vcpu) +{ +#ifdef CONFIG_X86_64 + return vcpu->arch.shadow_efer & EFER_LMA; +#else + return 0; +#endif +} + +static inline int is_pae(struct kvm_vcpu *vcpu) +{ + return kvm_read_cr4_bits(vcpu, X86_CR4_PAE); +} + +static inline int is_pse(struct kvm_vcpu *vcpu) +{ + return kvm_read_cr4_bits(vcpu, X86_CR4_PSE); +} + +static inline int is_paging(struct kvm_vcpu *vcpu) +{ + return kvm_read_cr0_bits(vcpu, X86_CR0_PG); +} + #endif |