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hypervisor: emulator: also set ES segment in MockVMM

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Some instructions, such as MOVS, need a valid ES segment.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2021-01-13 12:54:50 +00:00 committed by Rob Bradford
parent 5fc12862e6
commit aec0d309ee
1 changed files with 2 additions and 0 deletions
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2
hypervisor/src/arch/x86/emulator/mod.rs
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@ -662,10 +662,12 @@ mod mock_vmm {
let _ = env_logger::try_init();
let cs_reg = segment_from_gdt(gdt_entry(0xc09b, 0, 0xffffffff), 1);
let ds_reg = segment_from_gdt(gdt_entry(0xc093, 0, 0xffffffff), 2);
let es_reg = segment_from_gdt(gdt_entry(0xc093, 0, 0xffffffff), 3);
let mut initial_state = CpuState::default();
initial_state.set_ip(ip);
initial_state.write_segment(Register::CS, cs_reg).unwrap();
initial_state.write_segment(Register::DS, ds_reg).unwrap();
initial_state.write_segment(Register::ES, es_reg).unwrap();
for (reg, value) in regs {
initial_state.write_reg(reg, value).unwrap();
}