KVM: Provide callback to get/set control registers in emulator ops.

Use this callback instead of directly call kvm function. Also rename
realmode_(set|get)_cr to emulator_(set|get)_cr since function has nothing
to do with real mode.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 91450b5cd49e..5b060e4be0e3 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2483,7 +2483,7 @@ twobyte_insn:
                         break;
                 case 4: /* smsw */
                         c->dst.bytes = 2;
-                        c->dst.val = realmode_get_cr(ctxt->vcpu, 0);
+                        c->dst.val = ops->get_cr(0, ctxt->vcpu);
                         break;
                 case 6: /* lmsw */
                         realmode_lmsw(ctxt->vcpu, (u16)c->src.val,
@@ -2519,8 +2519,7 @@ twobyte_insn:
         case 0x20: /* mov cr, reg */
                 if (c->modrm_mod != 3)
                         goto cannot_emulate;
-                c->regs[c->modrm_rm] =
-                                realmode_get_cr(ctxt->vcpu, c->modrm_reg);
+                c->regs[c->modrm_rm] = ops->get_cr(c->modrm_reg, ctxt->vcpu);
                 c->dst.type = OP_NONE;  /* no writeback */
                 break;
         case 0x21: /* mov from dr to reg */
@@ -2534,7 +2533,7 @@ twobyte_insn:
         case 0x22: /* mov reg, cr */
                 if (c->modrm_mod != 3)
                         goto cannot_emulate;
-                realmode_set_cr(ctxt->vcpu, c->modrm_reg, c->modrm_val);
+                ops->set_cr(c->modrm_reg, c->modrm_val, ctxt->vcpu);
                 c->dst.type = OP_NONE;
                 break;
         case 0x23: /* mov from reg to dr */