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[rt-smart] kernel virtual memory management layer (#6809)

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synchronize virtual memory system works.
adding kernel virtual memory management layer for page-based MMU enabled architecture
porting libcpu MMU codes
porting lwp memory related codes
This commit is contained in:
Shell
2023-01-09 10:08:55 +08:00
committed by GitHub
parent 7f9ccd3c80
commit 7450ef6c4d
121 changed files with 5947 additions and 7041 deletions
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33
components/lwp/lwp_user_mm.h
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@@ -16,24 +16,24 @@
#ifdef ARCH_MM_MMU
#include <lwp.h>
#include <lwp_mm_area.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);
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, int text);
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, int cached);
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);
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);
@@ -42,9 +42,22 @@ 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);
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
}