// 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; }