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#ifndef MEM_VMAP_H
#define MEM_VMAP_H
#include <rt.h>
typedef struct mem_vmap MemVmap;
typedef usize (*MemVmapTranslate)(MemVmap *, usize);
typedef int (*MemVmapMap)(MemVmap *, usize, usize, usize, int);
typedef int (*MemVmapUnmap)(MemVmap *, usize, usize);
typedef void (*MemVmapSwitchTo)(MemVmap *);
/* Structure abstracting the memory mapping facilities of
the machine */
struct mem_vmap {
MemVmapTranslate translate;
MemVmapMap map;
MemVmapUnmap unmap;
MemVmapSwitchTo switch_to;
/* Flag indicating whether the previous translation
lead to a miss */
int miss;
};
usize mem_vmap_translate(MemVmap *inner, usize virt);
int mem_vmap_map(MemVmap *inner, usize phys, usize virt, usize len, int flags);
void mem_vmap_unmap(MemVmap *inner, usize virt, usize len);
void mem_vmap_switch_to(MemVmap *inner);
#endif
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