| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (C) 2022, Google LLC. |
| * |
| * Test for KVM_CAP_EXIT_ON_EMULATION_FAILURE. |
| */ |
| |
| #define _GNU_SOURCE /* for program_invocation_short_name */ |
| |
| #include "flds_emulation.h" |
| |
| #include "test_util.h" |
| |
| #define MMIO_GPA 0x700000000 |
| #define MMIO_GVA MMIO_GPA |
| |
| static void guest_code(void) |
| { |
| /* Execute flds with an MMIO address to force KVM to emulate it. */ |
| flds(MMIO_GVA); |
| GUEST_DONE(); |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| struct kvm_vcpu *vcpu; |
| struct kvm_vm *vm; |
| |
| TEST_REQUIRE(kvm_has_cap(KVM_CAP_EXIT_ON_EMULATION_FAILURE)); |
| |
| vm = vm_create_with_one_vcpu(&vcpu, guest_code); |
| vm_enable_cap(vm, KVM_CAP_EXIT_ON_EMULATION_FAILURE, 1); |
| virt_map(vm, MMIO_GVA, MMIO_GPA, 1); |
| |
| vcpu_run(vcpu); |
| handle_flds_emulation_failure_exit(vcpu); |
| vcpu_run(vcpu); |
| TEST_ASSERT_EQ(get_ucall(vcpu, NULL), UCALL_DONE); |
| |
| kvm_vm_free(vm); |
| return 0; |
| } |