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f7016c860c
These tests require access to kvm and are not suitable for a unit test. The tests are unmodified and only some visibility changes were made to allow them to become integration tests. BUG=b:244623785 TEST=presubmit Change-Id: I916360f14dba204caca846957bebccf77d451631 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4004344 Auto-Submit: Dennis Kempin <denniskempin@google.com> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
78 lines
2.2 KiB
Rust
78 lines
2.2 KiB
Rust
// Copyright 2022 The ChromiumOS Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#![cfg(all(unix, target_arch = "x86_64", feature = "gdb"))]
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use std::arch::x86_64::CpuidResult;
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use std::arch::x86_64::__cpuid;
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use std::arch::x86_64::__cpuid_count;
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use hypervisor::CpuConfigX86_64;
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use x86_64::cpuid::filter_cpuid;
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use x86_64::cpuid::{
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EBX_CLFLUSH_CACHELINE, EBX_CLFLUSH_SIZE_SHIFT, EBX_CPUID_SHIFT, EBX_CPU_COUNT_SHIFT,
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ECX_HYPERVISOR_SHIFT, EDX_HTT_SHIFT,
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};
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use x86_64::CpuIdContext;
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#[test]
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fn feature_and_vendor_name() {
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let mut cpuid = hypervisor::CpuId::new(2);
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let guest_mem = vm_memory::GuestMemory::new(&[(vm_memory::GuestAddress(0), 0x10000)]).unwrap();
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let kvm = hypervisor::kvm::Kvm::new().unwrap();
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let vm = hypervisor::kvm::KvmVm::new(&kvm, guest_mem, Default::default()).unwrap();
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let irq_chip = devices::KvmKernelIrqChip::new(vm, 1).unwrap();
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let entries = &mut cpuid.cpu_id_entries;
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entries.push(hypervisor::CpuIdEntry {
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function: 0,
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index: 0,
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flags: 0,
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cpuid: CpuidResult {
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eax: 0,
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ebx: 0,
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ecx: 0,
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edx: 0,
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},
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});
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entries.push(hypervisor::CpuIdEntry {
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function: 1,
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index: 0,
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flags: 0,
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cpuid: CpuidResult {
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eax: 0,
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ebx: 0,
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ecx: 0x10,
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edx: 0,
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},
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});
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let cpu_config = CpuConfigX86_64::new(false, false, false, false, false, false);
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filter_cpuid(
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&mut cpuid,
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&CpuIdContext::new(
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1,
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2,
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Some(&irq_chip),
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cpu_config,
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false,
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__cpuid_count,
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__cpuid,
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),
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);
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let entries = &mut cpuid.cpu_id_entries;
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assert_eq!(entries[0].function, 0);
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assert_eq!(1, (entries[1].cpuid.ebx >> EBX_CPUID_SHIFT) & 0x000000ff);
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assert_eq!(
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2,
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(entries[1].cpuid.ebx >> EBX_CPU_COUNT_SHIFT) & 0x000000ff
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);
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assert_eq!(
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EBX_CLFLUSH_CACHELINE,
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(entries[1].cpuid.ebx >> EBX_CLFLUSH_SIZE_SHIFT) & 0x000000ff
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);
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assert_ne!(0, entries[1].cpuid.ecx & (1 << ECX_HYPERVISOR_SHIFT));
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assert_ne!(0, entries[1].cpuid.edx & (1 << EDX_HTT_SHIFT));
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}
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