blob: 94e7bd320bb8ae3bba6e2ff13b6be2ba447224bd [file] [log] [blame]
// Copyright 2017 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <lib/async-loop/cpp/loop.h>
#include <lib/zx/vcpu.h>
#include <zircon/syscalls/port.h>
#include <future>
typedef struct zx_vcpu_state zx_vcpu_state_t;
class Guest;
class Vcpu {
Vcpu(uint64_t id, Guest* guest, zx_gpaddr_t entry, zx_gpaddr_t boot_ptr, async::Loop* loop);
// Begins VCPU execution.
zx_status_t Start();
// Send virtual interrupt to the VCPU.
zx_status_t Interrupt(uint32_t vector);
uint64_t id() const { return id_; }
const zx::vcpu& object() { return vcpu_; }
static Vcpu* GetCurrent();
// Resume the VCPU and handle packets in a loop.
zx_status_t Loop(std::promise<zx_status_t> barrier);
// Guest packet handlers
zx_status_t HandlePacket(const zx_port_packet_t& packet);
zx_status_t HandleMem(const zx_packet_guest_mem_t& mem, uint64_t trap_key);
#if __x86_64__
zx_status_t HandleInput(const zx_packet_guest_io_t& io, uint64_t trap_key);
zx_status_t HandleOutput(const zx_packet_guest_io_t& io, uint64_t trap_key);
zx_status_t HandleIo(const zx_packet_guest_io_t& io, uint64_t trap_key);
zx_status_t HandleVcpu(const zx_packet_guest_vcpu_t& packet, uint64_t trap_key);
const uint64_t id_;
Guest* const guest_;
const zx_gpaddr_t entry_;
const zx_gpaddr_t boot_ptr_;
async::Loop* const loop_;
zx::vcpu vcpu_;