mirror of
https://chromium.googlesource.com/crosvm/crosvm
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1dab58a2cf
This search/replace updates all copyright notices to drop the "All rights reserved", Use "ChromiumOS" instead of "Chromium OS" and drops the trailing dots. This fulfills the request from legal and unifies our notices. ./tools/health-check has been updated to only accept this style. BUG=b:246579983 TEST=./tools/health-check Change-Id: I87a80701dc651f1baf4820e5cc42469d7c5f5bf7 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3894243 Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Commit-Queue: Dennis Kempin <denniskempin@google.com>
79 lines
2.5 KiB
Rust
79 lines
2.5 KiB
Rust
// Copyright 2017 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(any(target_arch = "x86", target_arch = "x86_64"))]
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use base::MemoryMappingBuilder;
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use base::SharedMemory;
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use kvm::*;
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use kvm_sys::kvm_regs;
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use vm_memory::GuestAddress;
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use vm_memory::GuestMemory;
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#[test]
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fn test_run() {
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/*
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0000 881C mov [si],bl
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0002 F4 hlt
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*/
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let code = [0x88, 0x1c, 0xf4];
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let mem_size = 0x10000;
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let load_addr = GuestAddress(0x1000);
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let guest_mem = GuestMemory::new(&[]).unwrap();
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let mem = SharedMemory::new("test", mem_size).expect("failed to create shared memory");
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let mmap = MemoryMappingBuilder::new(mem_size as usize)
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.from_shared_memory(&mem)
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.build()
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.expect("failed to create memory mapping");
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mmap.write_slice(&code[..], load_addr.offset() as usize)
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.expect("Writing code to memory failed.");
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let kvm = Kvm::new().expect("new kvm failed");
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let mut vm = Vm::new(&kvm, guest_mem).expect("new vm failed");
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let vcpu = Vcpu::new(0, &kvm, &vm).expect("new vcpu failed");
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let mut vcpu_sregs = vcpu.get_sregs().expect("get sregs failed");
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vcpu_sregs.cs.base = 0;
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vcpu_sregs.cs.selector = 0;
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vcpu.set_sregs(&vcpu_sregs).expect("set sregs failed");
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let mut vcpu_regs: kvm_regs = unsafe { std::mem::zeroed() };
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vcpu_regs.rip = load_addr.offset() as u64;
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vcpu_regs.rflags = 2;
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// Write 0x12 to the beginning of the 9th page.
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vcpu_regs.rsi = 0x8000;
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vcpu_regs.rbx = 0x12;
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vcpu.set_regs(&vcpu_regs).expect("set regs failed");
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let slot = vm
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.add_memory_region(
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GuestAddress(0),
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Box::new(
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MemoryMappingBuilder::new(mem_size as usize)
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.from_shared_memory(&mem)
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.build()
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.expect("failed to create memory mapping"),
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),
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false,
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true,
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)
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.expect("failed to register memory");
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let runnable_vcpu = vcpu.to_runnable(None).unwrap();
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loop {
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match runnable_vcpu.run().expect("run failed") {
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VcpuExit::Hlt => break,
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r => panic!("unexpected exit reason: {:?}", r),
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}
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}
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let mut dirty_log = [0x0, 0x0];
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vm.get_dirty_log(slot, &mut dirty_log[..])
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.expect("failed to get dirty log");
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// Tests the 9th page was written to.
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assert_eq!(dirty_log[1], 0x1);
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assert_eq!(
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mmap.read_obj::<u64>(vcpu_regs.rsi as usize).unwrap(),
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vcpu_regs.rbx
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);
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}
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