69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/*
|
|
* 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 <rthw.h>
|
|
#include <rtthread.h>
|
|
|
|
#ifdef ARCH_MM_MMU
|
|
#include <lwp.h>
|
|
#include <mmu.h>
|
|
#include <mm_aspace.h>
|
|
#include <mm_fault.h>
|
|
#include <mm_page.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
int lwp_user_space_init(struct rt_lwp *lwp, rt_bool_t is_fork);
|
|
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, rt_bool_t text);
|
|
|
|
void *lwp_map_user_phy(struct rt_lwp *lwp, void *map_va, void *map_pa, size_t map_size, rt_bool_t cached);
|
|
int lwp_unmap_user_phy(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(struct rt_lwp *lwp, void *dst, void *src, size_t size);
|
|
size_t lwp_data_put(struct rt_lwp *lwp, void *dst, void *src, size_t size);
|
|
void lwp_data_cache_flush(struct rt_lwp *lwp, void *vaddr, size_t size);
|
|
|
|
static inline void *_lwp_v2p(struct rt_lwp *lwp, void *vaddr)
|
|
{
|
|
return rt_hw_mmu_v2p(lwp->aspace, vaddr);
|
|
}
|
|
|
|
static inline void *lwp_v2p(struct rt_lwp *lwp, void *vaddr)
|
|
{
|
|
RD_LOCK(lwp->aspace);
|
|
void *paddr = _lwp_v2p(lwp, vaddr);
|
|
RD_UNLOCK(lwp->aspace);
|
|
return paddr;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#endif /*__LWP_USER_MM_H__*/
|