/* * Copyright (c) 2006-2020, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2019-10-28 Jesven first version * 2021-02-12 lizhirui add 64-bit support for lwp_brk */ #ifndef __LWP_USER_MM_H__ #define __LWP_USER_MM_H__ #include #include #ifdef RT_USING_USERSPACE #include #include #ifdef __cplusplus extern "C" { #endif int lwp_user_space_init(struct rt_lwp *lwp); void lwp_unmap_user_space(struct rt_lwp *lwp); int lwp_unmap_user(struct rt_lwp *lwp, void *va); void *lwp_map_user(struct rt_lwp *lwp, void *map_va, size_t map_size, int text); void *lwp_map_user_phy(struct rt_lwp *lwp, void *map_va, void *map_pa, size_t map_size, int cached); int lwp_unmap_user_phy(struct rt_lwp *lwp, void *va); void *lwp_map_user_type(struct rt_lwp *lwp, void *map_va, void *map_pa, size_t map_size, int cached, int type); int lwp_unmap_user_type(struct rt_lwp *lwp, void *va); rt_base_t lwp_brk(void *addr); void* lwp_mmap2(void *addr, size_t length, int prot, int flags, int fd, off_t pgoffset); int lwp_munmap(void *addr); size_t lwp_get_from_user(void *dst, void *src, size_t size); size_t lwp_put_to_user(void *dst, void *src, size_t size); int lwp_user_accessable(void *addr, size_t size); size_t lwp_data_get(rt_mmu_info *mmu_info, void *dst, void *src, size_t size); size_t lwp_data_put(rt_mmu_info *mmu_info, void *dst, void *src, size_t size); void lwp_data_cache_flush(rt_mmu_info *mmu_info, void *vaddr, size_t size); #ifdef __cplusplus } #endif #endif #endif /*__LWP_USER_MM_H__*/