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/*
* 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__*/
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