1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2022, Google LLC.
4 *
5 * Test for KVM_CAP_EXIT_ON_EMULATION_FAILURE.
6 */
7
8#define _GNU_SOURCE /* for program_invocation_short_name */
9
10#include "flds_emulation.h"
11
12#include "test_util.h"
13
14#define MMIO_GPA	0x700000000
15#define MMIO_GVA	MMIO_GPA
16
17static void guest_code(void)
18{
19	/* Execute flds with an MMIO address to force KVM to emulate it. */
20	flds(MMIO_GVA);
21	GUEST_DONE();
22}
23
24int main(int argc, char *argv[])
25{
26	struct kvm_vcpu *vcpu;
27	struct kvm_vm *vm;
28
29	TEST_REQUIRE(kvm_has_cap(KVM_CAP_EXIT_ON_EMULATION_FAILURE));
30
31	vm = vm_create_with_one_vcpu(&vcpu, guest_code);
32	vm_enable_cap(vm, KVM_CAP_EXIT_ON_EMULATION_FAILURE, 1);
33	virt_map(vm, MMIO_GVA, MMIO_GPA, 1);
34
35	vcpu_run(vcpu);
36	handle_flds_emulation_failure_exit(vcpu);
37	vcpu_run(vcpu);
38	TEST_ASSERT_EQ(get_ucall(vcpu, NULL), UCALL_DONE);
39
40	kvm_vm_free(vm);
41	return 0;
42}
43