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// 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;
/* Tell stdout not to buffer its content */
setbuf(stdout, NULL);
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);
ASSERT_EQ(get_ucall(vcpu, NULL), UCALL_DONE);
kvm_vm_free(vm);
return 0;
}
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