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hypervisor: mshv: implement fetching instructions in emulator

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Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2024-06-27 23:47:21 +00:00 committed by Liu Wei
parent 67f22b6aa4
commit 5fec858130
1 changed files with 7 additions and 3 deletions
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10
hypervisor/src/mshv/mod.rs
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@ -6,13 +6,14 @@
use crate::arch::emulator::{PlatformEmulator, PlatformError}; use crate::arch::emulator::{PlatformEmulator, PlatformError};
#[cfg(target_arch = "x86_64")] #[cfg(target_arch = "x86_64")]
use crate::arch::x86::emulator::{Emulator, EmulatorCpuState}; use crate::arch::x86::emulator::{CpuStateManager, Emulator, EmulatorCpuState};
use crate::cpu; use crate::cpu;
use crate::cpu::Vcpu; use crate::cpu::Vcpu;
use crate::hypervisor; use crate::hypervisor;
use crate::vec_with_array_field; use crate::vec_with_array_field;
use crate::vm::{self, InterruptSourceConfig, VmOps}; use crate::vm::{self, InterruptSourceConfig, VmOps};
use crate::HypervisorType; use crate::HypervisorType;
use iced_x86::Register;
use mshv_bindings::*; use mshv_bindings::*;
use mshv_ioctls::{set_registers_64, InterruptRequest, Mshv, NoDatamatch, VcpuFd, VmFd, VmType}; use mshv_ioctls::{set_registers_64, InterruptRequest, Mshv, NoDatamatch, VcpuFd, VmFd, VmType};
use std::any::Any; use std::any::Any;
@ -1636,8 +1637,11 @@ impl<'a> PlatformEmulator for MshvEmulatorContext<'a> {
self.translate(gva) self.translate(gva)
} }
fn fetch(&self, _ip: u64, _instruction_bytes: &mut [u8]) -> Result<(), PlatformError> { fn fetch(&self, ip: u64, instruction_bytes: &mut [u8]) -> Result<(), PlatformError> {
Err(PlatformError::MemoryReadFailure(anyhow!("unimplemented"))) let rip =
self.cpu_state(self.vcpu.vp_index as usize)?
.linearize(Register::CS, ip, false)?;
self.read_memory(rip, instruction_bytes)
} }
} }