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#pragma once
#include "common/types.h"
namespace VM
{
typedef uint64_t *pagetable_t;
typedef uint64_t pte_t;
pte_t *walk(pagetable_t pagetable, uint64 va, int alloc);
int mappages(pagetable_t pagetable, uint64 va, uint64 size, uint64 pa, int perm);
void kvmmap(uint64 va, uint64 pa, uint64 sz, int perm);
void kvminit();
void kvminithart();
pagetable_t uvmcreate();
void uvminit(pagetable_t pagetable, uchar *src, uint sz);
void uvmunmap(pagetable_t pagetable, uint64 va, uint64 npages, int do_free);
void uvmfree(pagetable_t pagetable, uint64 sz);
int uvmcopy(pagetable_t oldpt, pagetable_t newpt, uint64 sz);
uint64 uvmalloc(pagetable_t pagetable, uint64 oldsz, uint64 newsz);
uint64 uvmdealloc(pagetable_t pagetable, uint64 oldsz, uint64 newsz);
int copyin(pagetable_t pagetable, char *dst, uint64 srcva, uint64 len);
}
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