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Sync dfs lwp (#8123)

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geniusgogo
2023-10-17 13:07:59 +08:00
committed by GitHub
parent 7d64cdcf58
commit ecd29fda60
79 changed files with 7410 additions and 729 deletions
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59
components/lwp/lwp_user_mm.h
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@@ -7,6 +7,7 @@
* Date Author Notes
* 2019-10-28 Jesven first version
* 2021-02-12 lizhirui add 64-bit support for lwp_brk
* 2023-09-19 Shell add lwp_user_memory_remap_to_kernel
*/
#ifndef __LWP_USER_MM_H__
#define __LWP_USER_MM_H__
@@ -27,6 +28,8 @@ extern "C" {
#define LWP_MAP_FLAG_NONE 0x0000
#define LWP_MAP_FLAG_NOCACHE 0x0001
#define LWP_MAP_FLAG_MAP_FIXED 0x00010000ul
#define LWP_MAP_FLAG_PREFETCH 0x00020000ul
/**
* @brief Map files or devices into memory
@@ -41,7 +44,7 @@ extern "C" {
* @param pgoffset offset to fd in 4096 bytes unit
* @return void* the address is successful, otherwise return MAP_FAILED
*/
void* lwp_mmap2(void *addr, size_t length, int prot, int flags, int fd, off_t pgoffset);
void* lwp_mmap2(struct rt_lwp *lwp, void *addr, size_t length, int prot, int flags, int fd, off_t pgoffset);
/**
* @brief Unmap memory region in user space
@@ -51,7 +54,7 @@ void* lwp_mmap2(void *addr, size_t length, int prot, int flags, int fd, off_t pg
* @param length length in bytes of unmapping
* @return int errno
*/
int lwp_munmap(void *addr);
int lwp_munmap(struct rt_lwp *lwp, void *addr, size_t length);
/**
* @brief Test if address from user is accessible address by user
@@ -145,8 +148,8 @@ 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);
size_t lwp_user_strlen(const char *s);
size_t lwp_user_strlen_ext(struct rt_lwp *lwp, const char *s);
void lwp_free_command_line_args(char** argv);
char** lwp_get_command_line_args(struct rt_lwp *lwp);
rt_varea_t lwp_map_user_varea(struct rt_lwp *lwp, void *map_va, size_t map_size);
@@ -158,6 +161,11 @@ int lwp_unmap_user_phy(struct rt_lwp *lwp, void *va);
rt_base_t lwp_brk(void *addr);
size_t lwp_user_strlen(const char *s);
size_t lwp_user_strlen_ext(struct rt_lwp *lwp, const char *s);
int lwp_fork_aspace(struct rt_lwp *dest_lwp, struct rt_lwp *src_lwp);
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)
@@ -173,6 +181,49 @@ static inline void *lwp_v2p(struct rt_lwp *lwp, void *vaddr)
return paddr;
}
/**
* @brief Remapping user space memory region to kernel
*
* @warning the remapped region in kernel should be unmapped after usage
*
* @param lwp target process
* @param uaddr user space address where the data writes to
* @param length the bytes to redirect
* @return void * the redirection address in kernel space
*/
void *lwp_user_memory_remap_to_kernel(rt_lwp_t lwp, void *uaddr, size_t length);
rt_inline rt_size_t lwp_user_mm_flag_to_kernel(int flags)
{
rt_size_t k_flags = 0;
if (flags & MAP_FIXED)
k_flags |= MMF_MAP_FIXED;
if (flags & (MAP_PRIVATE | MAP_ANON | MAP_ANONYMOUS))
k_flags |= MMF_MAP_PRIVATE;
if (flags & MAP_SHARED)
k_flags |= MMF_MAP_SHARED;
return k_flags;
}
rt_inline rt_size_t lwp_user_mm_attr_to_kernel(int prot)
{
rt_size_t k_attr = 0;
#ifdef IMPL_MPROTECT
if ((prot & PROT_EXEC) || (prot & PROT_WRITE) ||
((prot & PROT_READ) && (prot & PROT_WRITE)))
k_attr = MMU_MAP_U_RWCB;
else if (prot == PROT_NONE)
k_attr = MMU_MAP_K_RWCB;
else
k_attr = MMU_MAP_U_ROCB;
#else
k_attr = MMU_MAP_U_RWCB;
#endif /* IMPL_MPROTECT */
return k_attr;
}
#ifdef __cplusplus
}
#endif