| /* |
| * Copyright 2018 The Hafnium Authors. |
| * |
| * 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 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_id; |
| bool virtual_interrupt; |
| }; |