blob: d2cec75921085ac3b93ceeba92f29f8771424335 [file] [log] [blame]
/*
* Copyright 2018 Google LLC
*
* 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
*
* https://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.
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
#define PAGE_BITS 12
#define PAGE_LEVEL_BITS 9
/** The type of a page table entry (PTE). */
typedef uint64_t pte_t;
/** Integer type large enough to hold a physical address. */
typedef uintptr_t uintpaddr_t;
/** Integer type large enough to hold a virtual address. */
typedef uintptr_t uintvaddr_t;
/** The integer large corresponding to the native register size. */
typedef uint64_t uintreg_t;
/** Type to represent the register state of a VM. */
struct arch_regs {
uintreg_t r[5];
uintreg_t vcpu_index;
bool virtual_interrupt;
};