Commit 6c3287f7 authored by Avi Kivity's avatar Avi Kivity

KVM: x86 emulator: add new ->halt() callback

Instead of reaching into vcpu internals.
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 3cb16fe7
...@@ -186,6 +186,7 @@ struct x86_emulate_ops { ...@@ -186,6 +186,7 @@ struct x86_emulate_ops {
int (*set_dr)(struct x86_emulate_ctxt *ctxt, int dr, ulong value); int (*set_dr)(struct x86_emulate_ctxt *ctxt, int dr, ulong value);
int (*set_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 data); int (*set_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 data);
int (*get_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 *pdata); int (*get_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 *pdata);
void (*halt)(struct x86_emulate_ctxt *ctxt);
void (*get_fpu)(struct x86_emulate_ctxt *ctxt); /* disables preempt */ void (*get_fpu)(struct x86_emulate_ctxt *ctxt); /* disables preempt */
void (*put_fpu)(struct x86_emulate_ctxt *ctxt); /* reenables preempt */ void (*put_fpu)(struct x86_emulate_ctxt *ctxt); /* reenables preempt */
int (*intercept)(struct x86_emulate_ctxt *ctxt, int (*intercept)(struct x86_emulate_ctxt *ctxt,
......
...@@ -3913,7 +3913,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt) ...@@ -3913,7 +3913,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt)
c->dst.type = OP_NONE; /* Disable writeback. */ c->dst.type = OP_NONE; /* Disable writeback. */
break; break;
case 0xf4: /* hlt */ case 0xf4: /* hlt */
ctxt->vcpu->arch.halt_request = 1; ctxt->ops->halt(ctxt);
break; break;
case 0xf5: /* cmc */ case 0xf5: /* cmc */
/* complement carry flag from eflags reg */ /* complement carry flag from eflags reg */
......
...@@ -4351,6 +4351,11 @@ static int emulator_set_msr(struct x86_emulate_ctxt *ctxt, ...@@ -4351,6 +4351,11 @@ static int emulator_set_msr(struct x86_emulate_ctxt *ctxt,
return kvm_set_msr(emul_to_vcpu(ctxt), msr_index, data); return kvm_set_msr(emul_to_vcpu(ctxt), msr_index, data);
} }
static void emulator_halt(struct x86_emulate_ctxt *ctxt)
{
emul_to_vcpu(ctxt)->arch.halt_request = 1;
}
static void emulator_get_fpu(struct x86_emulate_ctxt *ctxt) static void emulator_get_fpu(struct x86_emulate_ctxt *ctxt)
{ {
preempt_disable(); preempt_disable();
...@@ -4400,6 +4405,7 @@ static struct x86_emulate_ops emulate_ops = { ...@@ -4400,6 +4405,7 @@ static struct x86_emulate_ops emulate_ops = {
.set_dr = emulator_set_dr, .set_dr = emulator_set_dr,
.set_msr = emulator_set_msr, .set_msr = emulator_set_msr,
.get_msr = emulator_get_msr, .get_msr = emulator_get_msr,
.halt = emulator_halt,
.get_fpu = emulator_get_fpu, .get_fpu = emulator_get_fpu,
.put_fpu = emulator_put_fpu, .put_fpu = emulator_put_fpu,
.intercept = emulator_intercept, .intercept = emulator_intercept,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment