/* * Copyright (c) 2020 Institute of Parallel And Distributed Systems (IPADS), Shanghai Jiao Tong University (SJTU) * OS-Lab-2020 (i.e., ChCore) is licensed under the Mulan PSL v1. * You can use this software according to the terms and conditions of the Mulan PSL v1. * You may obtain a copy of Mulan PSL v1 at: * http://license.coscl.org.cn/MulanPSL * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR * PURPOSE. * See the Mulan PSL v1 for more details. */ #pragma once #include typedef u64 vmr_prop_t; #define VMR_READ (1 << 0) #define VMR_WRITE (1 << 1) #define VMR_EXEC (1 << 2) #define KERNEL_PT (1 << 3) /* functions */ int map_range_in_pgtbl(vaddr_t * pgtbl, vaddr_t va, paddr_t pa, size_t len, vmr_prop_t flags); int unmap_range_in_pgtbl(vaddr_t * pgtbl, vaddr_t va, size_t len); #ifndef KBASE #define KBASE 0xFFFFFF0000000000 #endif #ifdef CHCORE #define phys_to_virt(x) ((vaddr_t)((paddr_t)(x) + KBASE)) #define virt_to_phys(x) ((paddr_t)((vaddr_t)(x) - KBASE)) #endif