KVM: x86: Move emulation-only helpers to emulate.c
Move ctxt_virt_addr_bits() and emul_is_noncanonical_address() from x86.h
to emulate.c. This eliminates all references to struct x86_emulate_ctxt
from x86.h, and sets the stage for a future patch to stop including
kvm_emulate.h in asm/kvm_host.h.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index dd19fb3..929cd0b 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -665,6 +665,17 @@ static void set_segment_selector(struct x86_emulate_ctxt *ctxt, u16 selector,
ctxt->ops->set_segment(ctxt, selector, &desc, base3, seg);
}
+static inline u8 ctxt_virt_addr_bits(struct x86_emulate_ctxt *ctxt)
+{
+ return (ctxt->ops->get_cr(ctxt, 4) & X86_CR4_LA57) ? 57 : 48;
+}
+
+static inline bool emul_is_noncanonical_address(u64 la,
+ struct x86_emulate_ctxt *ctxt)
+{
+ return get_canonical(la, ctxt_virt_addr_bits(ctxt)) != la;
+}
+
/*
* x86 defines three classes of vector instructions: explicitly
* aligned, explicitly unaligned, and the rest, which change behaviour
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 3624665..8409842 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -149,11 +149,6 @@ static inline u8 vcpu_virt_addr_bits(struct kvm_vcpu *vcpu)
return kvm_read_cr4_bits(vcpu, X86_CR4_LA57) ? 57 : 48;
}
-static inline u8 ctxt_virt_addr_bits(struct x86_emulate_ctxt *ctxt)
-{
- return (ctxt->ops->get_cr(ctxt, 4) & X86_CR4_LA57) ? 57 : 48;
-}
-
static inline u64 get_canonical(u64 la, u8 vaddr_bits)
{
return ((int64_t)la << (64 - vaddr_bits)) >> (64 - vaddr_bits);
@@ -164,12 +159,6 @@ static inline bool is_noncanonical_address(u64 la, struct kvm_vcpu *vcpu)
return get_canonical(la, vcpu_virt_addr_bits(vcpu)) != la;
}
-static inline bool emul_is_noncanonical_address(u64 la,
- struct x86_emulate_ctxt *ctxt)
-{
- return get_canonical(la, ctxt_virt_addr_bits(ctxt)) != la;
-}
-
static inline void vcpu_cache_mmio_info(struct kvm_vcpu *vcpu,
gva_t gva, gfn_t gfn, unsigned access)
{