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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2026 Richard QIn
*/
#pragma once
#include "common/types.h"
namespace VM
{
extern uint64 *kernel_pagetable;
void kvminit();
void kvminithart();
uint64 *uvmcreate();
void uvminit(uint64 *pagetable, uchar *src, uint64 sz);
uint64 uvmalloc(uint64 *pagetable, uint64 oldsz, uint64 newsz, int xperm);
uint64 uvmdealloc(uint64 *pagetable, uint64 oldsz, uint64 newsz);
void uvmfree(uint64 *pagetable, uint64 sz);
int uvmcopy(uint64 *oldpt, uint64 *newpt, uint64 sz);
void uvmunmap(uint64 *pagetable, uint64 va, uint64 npages, int do_free);
int copyout(uint64 *pagetable, uint64 dstva, char *src, uint64 len);
int copyin(uint64 *pagetable, char *dst, uint64 srcva, uint64 len);
int copyinstr(uint64 *pagetable, char *dst, uint64 srcva, uint64 max);
int handle_cow_fault(uint64 *pagetable, uint64 va);
int mappages(uint64 *pagetable, uint64 va, uint64 size, uint64 pa, int perm);
uint64 walkaddr(uint64 *pagetable, uint64 va);
}
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