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demo.rs 23.28 KiB
// Copyright 2018 Cloudbase Solutions Srl
// Copyright 2018-2019 CrowdStrike, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
extern crate libc;
extern crate libwhp;
use libwhp::instruction_emulator::*;
use libwhp::memory::*;
use libwhp::*;
use std::cell::RefCell;
use std::fs::File;
use std::io::prelude::*;
use std::io::{self, Write};
use std::path::PathBuf;
const CPUID_EXT_HYPERVISOR: UINT32 = 1 << 31;
const PDE64_PRESENT: u64 = 1;
const PDE64_RW: u64 = 1 << 1;
const PDE64_USER: u64 = 1 << 2;
const PDE64_PS: u64 = 1 << 7;
const CR4_PAE: u64 = 1 << 5;
const CR4_OSFXSR: u64 = 1 << 9;
const CR4_OSXMMEXCPT: u64 = 1 << 10;
const CR0_PE: u64 = 1;
const CR0_MP: u64 = 1 << 1;
const CR0_ET: u64 = 1 << 4;
const CR0_NE: u64 = 1 << 5;
const CR0_WP: u64 = 1 << 16;
const CR0_AM: u64 = 1 << 18;
const CR0_PG: u64 = 1 << 31;
const EFER_LME: u64 = 1 << 8;
const EFER_LMA: u64 = 1 << 10;
const INT_VECTOR: u32 = 0x35;
#[allow(non_snake_case)]
#[derive(Debug, Copy, Clone, Default)]
#[repr(C)]
struct CpuInfo {
apic_enabled: bool,
}
fn main() {
check_hypervisor();
let mut p = Partition::new().unwrap();
let apic_present = is_apic_present();
let mut cpu_info = CpuInfo {
apic_enabled: false,
};
setup_partition(&mut p, &mut cpu_info, apic_present);
let mem_size = 0x300000;
let mut payload_mem = VirtualMemory::new(mem_size).unwrap();
let guest_address: WHV_GUEST_PHYSICAL_ADDRESS = 0;
let _mapping = p
.map_gpa_range(
&payload_mem,
guest_address,
payload_mem.get_size() as UINT64,
WHV_MAP_GPA_RANGE_FLAGS::WHvMapGpaRangeFlagRead
| WHV_MAP_GPA_RANGE_FLAGS::WHvMapGpaRangeFlagWrite
| WHV_MAP_GPA_RANGE_FLAGS::WHvMapGpaRangeFlagExecute,
)
.unwrap();
let mut vp = p.create_virtual_processor(0).unwrap();
setup_long_mode(&mut vp, &payload_mem);
read_payload(&mut payload_mem);
let vp_ref_cell = RefCell::new(vp);
let mut callbacks = SampleCallbacks {
vp_ref_cell: &vp_ref_cell,
};
let mut e = Emulator::<SampleCallbacks>::new().unwrap();
if cpu_info.apic_enabled {
// Set the APIC base and send an interrupt to the VCPU
set_apic_base(&mut vp_ref_cell.borrow_mut());
send_ipi(&mut vp_ref_cell.borrow_mut(), INT_VECTOR);
set_delivery_notifications(&mut vp_ref_cell.borrow_mut());
}
loop {
let exit_context = vp_ref_cell.borrow_mut().run().unwrap();
match exit_context.ExitReason {
WHV_RUN_VP_EXIT_REASON::WHvRunVpExitReasonX64Halt => {
println!("All done!");
break;
}
WHV_RUN_VP_EXIT_REASON::WHvRunVpExitReasonException => {
break;
}
WHV_RUN_VP_EXIT_REASON::WHvRunVpExitReasonMemoryAccess => {
handle_mmio_exit(&mut e, &mut callbacks, &exit_context)
}
WHV_RUN_VP_EXIT_REASON::WHvRunVpExitReasonX64IoPortAccess => {
handle_io_port_exit(&mut e, &mut callbacks, &exit_context)
}
WHV_RUN_VP_EXIT_REASON::WHvRunVpExitReasonX64Cpuid => {
handle_cpuid_exit(&mut vp_ref_cell.borrow_mut(), &exit_context)
}
WHV_RUN_VP_EXIT_REASON::WHvRunVpExitReasonX64MsrAccess => {
handle_msr_exit(&mut vp_ref_cell.borrow_mut(), &exit_context)
}
WHV_RUN_VP_EXIT_REASON::WHvRunVpExitReasonX64ApicEoi => {
println!("ApicEoi");
}
WHV_RUN_VP_EXIT_REASON::WHvRunVpExitReasonX64InterruptWindow => {
println!("Interrupt window");
}
_ => panic!("Unexpected exit type: {:?}", exit_context.ExitReason),
};
// With the APIC enabled, the hlt instruction will not completely halt
// the processor; it'll just halt it until another interrupt is // received, so we don't receive the VMexit that we used to use to end
// VCPU execution. Since WHV will not let us disable the APIC in the usual
// means (eg, via the global enable flag of the APIC_BASE register,
// etc), teriminate the VCPU execution loop when both interrupts we're
// expecting have been received. Plus we get to exercise the new
// counter APIs.
if all_interrupts_received(&vp_ref_cell.borrow()) {
println!("All interrupts received. All done!");
break;
}
}
}
/*
* Terminate VCPU execution when two interrupts have been received by the guest:
* one from the host, and one from the guest
*/
fn all_interrupts_received(vp: &VirtualProcessor) -> bool {
let counters: WHV_PROCESSOR_COUNTERS = vp
.get_processor_counters(WHV_PROCESSOR_COUNTER_SET::WHvProcessorCounterSetApic)
.unwrap();
let apic_counters = unsafe { counters.ApicCounters };
if apic_counters.EoiAccessCount == 2 {
true
} else {
false
}
}
fn set_apic_base(vp: &mut VirtualProcessor) {
// Page table translations for this guest only cover the first 1GB of memory,
// and the default APIC base falls above that. Set the APIC base to
// something lower, within our range of virtual memory
// Get the default APIC base register value to start
const NUM_REGS: usize = 1;
let mut reg_names: [WHV_REGISTER_NAME; NUM_REGS] = Default::default();
let mut reg_values: [WHV_REGISTER_VALUE; NUM_REGS] = Default::default();
reg_names[0] = WHV_REGISTER_NAME::WHvX64RegisterApicBase;
// Get the registers as a baseline
vp.get_registers(®_names, &mut reg_values).unwrap();
let mut flags = unsafe { reg_values[0].Reg64 };
// Mask off the bottom 12 bits, which are used to store flags
flags = flags & 0xfff;
// Set the APIC base to something lower within our translatable address
// space
let new_apic_base = 0x0fee_0000;
reg_names[0] = WHV_REGISTER_NAME::WHvX64RegisterApicBase;
reg_values[0].Reg64 = new_apic_base | flags;
vp.set_registers(®_names, ®_values).unwrap();
}
fn send_msi(vp: &mut VirtualProcessor, message: &WHV_MSI_ENTRY) {
let addr: UINT32 = unsafe { message.anon_struct.Address };
let data: UINT32 = unsafe { message.anon_struct.Data };
let dest = (addr & MSI_ADDR_DEST_ID_MASK) >> MSI_ADDR_DEST_ID_SHIFT;
let vector = (data & MSI_DATA_VECTOR_MASK) >> MSI_DATA_VECTOR_SHIFT;
let dest_mode = (addr >> MSI_ADDR_DEST_MODE_SHIFT) & 0x1;
let trigger_mode = (data >> MSI_DATA_TRIGGER_SHIFT) & 0x1;
let delivery = (data >> MSI_DATA_DELIVERY_MODE_SHIFT) & 0x7;
let mut interrupt: WHV_INTERRUPT_CONTROL = Default::default();
interrupt.set_InterruptType(delivery as UINT64);
if dest_mode == 0 {
interrupt.set_DestinationMode(
WHV_INTERRUPT_DESTINATION_MODE::WHvX64InterruptDestinationModePhysical as UINT64,
);
} else {
interrupt.set_DestinationMode(
WHV_INTERRUPT_DESTINATION_MODE::WHvX64InterruptDestinationModeLogical as UINT64,
);
}
interrupt.set_TriggerMode(trigger_mode as UINT64);
interrupt.Destination = dest;
interrupt.Vector = vector;
vp.request_interrupt(&mut interrupt).unwrap();
}
fn send_ipi(vp: &mut VirtualProcessor, vector: u32) {
println!("Send IPI from the host to the guest");
let mut message: WHV_MSI_ENTRY = Default::default();
// - Trigger mode is 'Edge'
// - Interrupt type is 'Fixed'
// - Destination mode is 'Physical'
// - Destination is 0. Since Destination Mode is Physical, bits 56-59
// contain the APIC ID of the target processor (APIC ID = 0)
// Level = 1 and Destination Shorthand = 1, but the underlying API will
// actually ignore this.
unsafe {
message.anon_struct.Data = (0x00044000 | vector) as UINT32;
message.anon_struct.Address = 0;
}
send_msi(vp, &message);
}
fn set_delivery_notifications(vp: &mut VirtualProcessor) {
const NUM_REGS: usize = 1;
let mut reg_values: [WHV_REGISTER_VALUE; NUM_REGS] = Default::default();
let mut reg_names: [WHV_REGISTER_NAME; NUM_REGS] = Default::default();
let mut notifications: WHV_X64_DELIVERABILITY_NOTIFICATIONS_REGISTER = Default::default();
notifications.set_InterruptNotification(1);
reg_values[0].DeliverabilityNotifications = notifications;
reg_names[0] = WHV_REGISTER_NAME::WHvX64RegisterDeliverabilityNotifications;
vp.set_registers(®_names, ®_values).unwrap();
}
fn handle_msr_exit(vp: &mut VirtualProcessor, exit_context: &WHV_RUN_VP_EXIT_CONTEXT) {
let msr_access = unsafe { exit_context.anon_union.MsrAccess };
const NUM_REGS: UINT32 = 3;
let mut reg_names: [WHV_REGISTER_NAME; NUM_REGS as usize] = Default::default();
let mut reg_values: [WHV_REGISTER_VALUE; NUM_REGS as usize] = Default::default();
reg_names[0] = WHV_REGISTER_NAME::WHvX64RegisterRip;
reg_names[1] = WHV_REGISTER_NAME::WHvX64RegisterRax;
reg_names[2] = WHV_REGISTER_NAME::WHvX64RegisterRdx;
reg_values[0].Reg64 =
exit_context.VpContext.Rip + exit_context.VpContext.InstructionLength() as u64;
match msr_access.MsrNumber {
1 => {
if msr_access.AccessInfo.IsWrite() == 1 {
println!(
"MSR write. Number: 0x{:x}, Rax: 0x{:x}, Rdx: 0x{:x}", msr_access.MsrNumber, msr_access.Rax, msr_access.Rdx
);
} else {
let rax = 0x2000;
let rdx = 0x2001;
reg_values[1].Reg64 = rax;
reg_values[2].Reg64 = rdx;
println!(
"MSR read. Number: 0x{:x}, Rax: 0x{:x}, Rdx: 0x{:x}",
msr_access.MsrNumber, rax, rdx
);
}
}
_ => {
println!("Unknown MSR number: {:#x}", msr_access.MsrNumber);
}
}
let mut num_regs_set = NUM_REGS as usize;
if msr_access.AccessInfo.IsWrite() == 1 {
num_regs_set = 1;
}
vp.set_registers(®_names[0..num_regs_set], ®_values[0..num_regs_set])
.unwrap();
}
fn handle_cpuid_exit(vp: &mut VirtualProcessor, exit_context: &WHV_RUN_VP_EXIT_CONTEXT) {
let cpuid_access = unsafe { exit_context.anon_union.CpuidAccess };
println!("Got CPUID leaf: {}", cpuid_access.Rax);
const NUM_REGS: UINT32 = 5;
let mut reg_names: [WHV_REGISTER_NAME; NUM_REGS as usize] = Default::default();
let mut reg_values: [WHV_REGISTER_VALUE; NUM_REGS as usize] = Default::default();
reg_names[0] = WHV_REGISTER_NAME::WHvX64RegisterRip;
reg_names[1] = WHV_REGISTER_NAME::WHvX64RegisterRax;
reg_names[2] = WHV_REGISTER_NAME::WHvX64RegisterRbx;
reg_names[3] = WHV_REGISTER_NAME::WHvX64RegisterRcx;
reg_names[4] = WHV_REGISTER_NAME::WHvX64RegisterRdx;
reg_values[0].Reg64 =
exit_context.VpContext.Rip + exit_context.VpContext.InstructionLength() as u64;
reg_values[1].Reg64 = cpuid_access.DefaultResultRax;
reg_values[2].Reg64 = cpuid_access.DefaultResultRbx;
reg_values[3].Reg64 = cpuid_access.DefaultResultRcx;
reg_values[4].Reg64 = cpuid_access.DefaultResultRdx;
match cpuid_access.Rax {
1 => {
reg_values[3].Reg64 = CPUID_EXT_HYPERVISOR as UINT64;
}
_ => {
println!("Unknown CPUID leaf: {}", cpuid_access.Rax);
}
}
vp.set_registers(®_names, ®_values).unwrap();
}
fn handle_mmio_exit<T: EmulatorCallbacks>(
e: &mut Emulator<T>,
context: &mut T,
exit_context: &WHV_RUN_VP_EXIT_CONTEXT,
) {
let mem_access_ctx = unsafe { &exit_context.anon_union.MemoryAccess };
let _status = e
.try_mmio_emulation(
context,
&exit_context.VpContext, mem_access_ctx,
)
.unwrap();
}
fn handle_io_port_exit<T: EmulatorCallbacks>(
e: &mut Emulator<T>,
context: &mut T,
exit_context: &WHV_RUN_VP_EXIT_CONTEXT,
) {
let io_port_access_ctx = unsafe { &exit_context.anon_union.IoPortAccess };
let _status = e
.try_io_emulation(
context,
&exit_context.VpContext,
io_port_access_ctx,
)
.unwrap();
}
fn setup_partition(p: &mut Partition, cpu_info: &mut CpuInfo, apic_present: bool) {
let mut property: WHV_PARTITION_PROPERTY = Default::default();
property.ProcessorCount = 1;
p.set_property(
WHV_PARTITION_PROPERTY_CODE::WHvPartitionPropertyCodeProcessorCount,
&property,
)
.unwrap();
property = Default::default();
unsafe {
property.ExtendedVmExits.set_X64CpuidExit(1);
property.ExtendedVmExits.set_X64MsrExit(1);
property.ExtendedVmExits.set_ExceptionExit(1);
}
p.set_property(
WHV_PARTITION_PROPERTY_CODE::WHvPartitionPropertyCodeExtendedVmExits,
&property,
)
.unwrap();
let cpuids: [UINT32; 1] = [1];
p.set_property_cpuid_exits(&cpuids).unwrap();
let mut cpuid_results: [WHV_X64_CPUID_RESULT; 1] = Default::default();
cpuid_results[0].Function = 0x40000000;
let mut id_reg_values: [UINT32; 3] = [0; 3];
let id = "libwhp\0";
unsafe {
std::ptr::copy_nonoverlapping(id.as_ptr(), id_reg_values.as_mut_ptr() as *mut u8, id.len());
}
cpuid_results[0].Ebx = id_reg_values[0];
cpuid_results[0].Ecx = id_reg_values[1];
cpuid_results[0].Edx = id_reg_values[2];
p.set_property_cpuid_results(&cpuid_results).unwrap();
if apic_present != false {
enable_apic(p, cpu_info);
}
p.setup().unwrap();
}
fn is_apic_present() -> bool {
let capability: WHV_CAPABILITY =
get_capability(WHV_CAPABILITY_CODE::WHvCapabilityCodeFeatures).unwrap();
let features: WHV_CAPABILITY_FEATURES = unsafe { capability.Features };
if features.LocalApicEmulation() != 0 {
true
} else {
false
}
}
fn enable_apic(p: &mut Partition, cpu_info: &mut CpuInfo) {
let mut property: WHV_PARTITION_PROPERTY = Default::default();
property.LocalApicEmulationMode =
WHV_X64_LOCAL_APIC_EMULATION_MODE::WHvX64LocalApicEmulationModeXApic;
p.set_property(
WHV_PARTITION_PROPERTY_CODE::WHvPartitionPropertyCodeLocalApicEmulationMode,
&property,
)
.unwrap();
cpu_info.apic_enabled = true;
}
fn initialize_address_space(payload_mem: &VirtualMemory) -> u64 {
let mem_addr = payload_mem.as_ptr() as u64;
let pml4_addr: u64 = 0x9000;
let pdpt_addr: u64 = 0xa000;
let pd_addr: u64 = 0xb000;
let pml4: u64 = mem_addr + pml4_addr;
let pdpt: u64 = mem_addr + pdpt_addr;
let pd: u64 = mem_addr + pd_addr;
unsafe {
*(pml4 as *mut u64) = PDE64_PRESENT | PDE64_RW | PDE64_USER | pdpt_addr;
*(pdpt as *mut u64) = PDE64_PRESENT | PDE64_RW | PDE64_USER | pd_addr;
for i in 0..512 {
*((pd + i * 8) as *mut u64) =
(i << 21) + (PDE64_PRESENT | PDE64_RW | PDE64_USER | PDE64_PS);
}
}
// Return the PML4 guest physical address so the caller can use it to set CR3
pml4_addr
}
fn setup_long_mode(vp: &mut VirtualProcessor, payload_mem: &VirtualMemory) {
let pml4_addr = initialize_address_space(payload_mem);
const NUM_REGS: UINT32 = 13;
let mut reg_names: [WHV_REGISTER_NAME; NUM_REGS as usize] = Default::default();
let mut reg_values: [WHV_REGISTER_VALUE; NUM_REGS as usize] = Default::default();
// Setup paging
reg_names[0] = WHV_REGISTER_NAME::WHvX64RegisterCr3;
reg_values[0].Reg64 = pml4_addr;
reg_names[1] = WHV_REGISTER_NAME::WHvX64RegisterCr4;
reg_values[1].Reg64 = CR4_PAE | CR4_OSFXSR | CR4_OSXMMEXCPT;
reg_names[2] = WHV_REGISTER_NAME::WHvX64RegisterCr0;
reg_values[2].Reg64 = CR0_PE | CR0_MP | CR0_ET | CR0_NE | CR0_WP | CR0_AM | CR0_PG;
reg_names[3] = WHV_REGISTER_NAME::WHvX64RegisterEfer;
reg_values[3].Reg64 = EFER_LME | EFER_LMA;
reg_names[4] = WHV_REGISTER_NAME::WHvX64RegisterCs;
unsafe {
let segment = &mut reg_values[4].Segment;
segment.Base = 0;
segment.Limit = 0xffffffff;
segment.Selector = 1 << 3; segment.set_SegmentType(11);
segment.set_NonSystemSegment(1);
segment.set_Present(1);
segment.set_Long(1);
segment.set_Granularity(1);
}
reg_names[5] = WHV_REGISTER_NAME::WHvX64RegisterDs;
unsafe {
let segment = &mut reg_values[5].Segment;
segment.Base = 0;
segment.Limit = 0xffffffff;
segment.Selector = 2 << 3;
segment.set_SegmentType(3);
segment.set_NonSystemSegment(1);
segment.set_Present(1);
segment.set_Long(1);
segment.set_Granularity(1);
}
reg_names[6] = WHV_REGISTER_NAME::WHvX64RegisterEs;
reg_values[6] = reg_values[5];
reg_names[7] = WHV_REGISTER_NAME::WHvX64RegisterFs;
reg_values[7] = reg_values[5];
reg_names[8] = WHV_REGISTER_NAME::WHvX64RegisterGs;
reg_values[8] = reg_values[5];
reg_names[9] = WHV_REGISTER_NAME::WHvX64RegisterSs;
reg_values[9] = reg_values[5];
// Start with the Interrupt Flag off; guest will enable it when ready
reg_names[10] = WHV_REGISTER_NAME::WHvX64RegisterRflags;
reg_values[10].Reg64 = 0x002;
reg_names[11] = WHV_REGISTER_NAME::WHvX64RegisterRip;
reg_values[11].Reg64 = 0;
// Create stack with stack base at high end of mapped payload
reg_names[12] = WHV_REGISTER_NAME::WHvX64RegisterRsp;
reg_values[12].Reg64 = payload_mem.get_size() as UINT64;
vp.set_registers(®_names, ®_values).unwrap();
}
fn read_payload(mem_addr: &mut VirtualMemory) {
let mut p = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
p.push("examples");
p.push("payload");
p.push("payload.img");
let mut f = File::open(&p).expect(&format!(
"Cannot find \"{}\". Run \"make\" in the same folder to build it",
&p.to_str().unwrap()
));
f.read(mem_addr.as_slice_mut()).unwrap();
}
fn check_hypervisor() {
let capability =
get_capability(WHV_CAPABILITY_CODE::WHvCapabilityCodeHypervisorPresent).unwrap();
if unsafe { capability.HypervisorPresent } == FALSE {
panic!("Hypervisor not present");
}
}
struct SampleCallbacks<'a> {
vp_ref_cell: &'a RefCell<VirtualProcessor>,
}
impl<'a> EmulatorCallbacks for SampleCallbacks<'a> {
fn io_port(
&mut self,
io_access: &mut WHV_EMULATOR_IO_ACCESS_INFO,
) -> HRESULT {
if io_access.Direction == 1 {
// Our payload writes to port 42
if io_access.Port == 42 {
let data = unsafe {
std::slice::from_raw_parts(
&io_access.Data as *const _ as *const u8,
io_access.AccessSize as usize,
)
};
io::stdout().write(data).unwrap();
} else {
println!("Unsupported IO port");
}
}
else {
// Our payload reads from port 43. Set a value in the Data buffer
// to simulate an IO read, that the payload will "read" later
if io_access.Port == 43 {
let data = unsafe {
std::slice::from_raw_parts_mut(
&mut io_access.Data as *mut _ as *mut u8,
io_access.AccessSize as usize,
)
};
data[0] = 99;
}
}
S_OK
}
fn memory(
&mut self,
memory_access: &mut WHV_EMULATOR_MEMORY_ACCESS_INFO,
) -> HRESULT {
let addr = memory_access.GpaAddress;
match memory_access.AccessSize {
8 => match memory_access.Direction {
0 => {
let data = &memory_access.Data as *const _ as *mut u64;
unsafe {
*data = 0x1000;
println!("MMIO read: 0x{:016x} @0x{:x}", *data, addr);
}
}
_ => {
let value = unsafe { *(&memory_access.Data as *const _ as *const u64) };
println!("MMIO write: 0x{:016x} @0x{:x}", value, addr);
}
},
4 => match memory_access.Direction {
0 => {
let data = &memory_access.Data as *const _ as *mut u32;
unsafe {
*data = 0x1000;
println!("MMIO read: 0x{:08x} @0x{:x}", *data, addr);
}
}
_ => {
let value = unsafe { *(&memory_access.Data as *const _ as *const u32) };
println!("MMIO write: 0x{:08x} @0x{:x}", value, addr);
}
},
2 => match memory_access.Direction {
0 => { let data = &memory_access.Data as *const _ as *mut u32;
unsafe {
*data = 0x22bb;
println!("MMIO read: 0x{:04x} @0x{:x}", *data, addr);
}
}
_ => {
let value = unsafe { *(&memory_access.Data as *const _ as *const u32) };
println!("MMIO write: 0x{:04x} @0x{:x}", value, addr);
}
},
1 => match memory_access.Direction {
0 => {
let data = &memory_access.Data as *const _ as *mut u32;
unsafe {
*data = 0x58;
println!("MMIO read: 0x{:02x} @0x{:x}", *data, addr);
}
}
_ => {
let value = unsafe { *(&memory_access.Data as *const _ as *const u32) };
println!("MMIO write: 0x{:02x} @0x{:x}", value, addr);
}
},
_ => println!("Unsupported MMIO access size: {}", memory_access.AccessSize),
}
S_OK
}
fn get_virtual_processor_registers(
&mut self,
register_names: &[WHV_REGISTER_NAME],
register_values: &mut [WHV_REGISTER_VALUE],
) -> HRESULT {
self.vp_ref_cell
.borrow()
.get_registers(register_names, register_values)
.unwrap();
S_OK
}
fn set_virtual_processor_registers(
&mut self,
register_names: &[WHV_REGISTER_NAME],
register_values: &[WHV_REGISTER_VALUE],
) -> HRESULT {
self.vp_ref_cell
.borrow_mut()
.set_registers(register_names, register_values)
.unwrap();
S_OK
}
fn translate_gva_page(
&mut self,
gva: WHV_GUEST_VIRTUAL_ADDRESS,
translate_flags: WHV_TRANSLATE_GVA_FLAGS,
translation_result: &mut WHV_TRANSLATE_GVA_RESULT_CODE,
gpa: &mut WHV_GUEST_PHYSICAL_ADDRESS,
) -> HRESULT {
let (translation_result1, gpa1) = self
.vp_ref_cell
.borrow()
.translate_gva(gva, translate_flags)
.unwrap();
*translation_result = translation_result1.ResultCode;
*gpa = gpa1;
S_OK
}}