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29 lines
819 B
29 lines
819 B
#ifndef _VM_H
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#define _VM_H
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#include "syscall.h"
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#include "file.h"
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#include <string.h>
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#include <stdint.h>
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#include <sys/types.h>
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#define PROT_READ 1
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#define PROT_WRITE 2
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#define PROT_EXEC 4
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#define MAP_PRIVATE 0x2
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#define MAP_FIXED 0x10
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#define MAP_ANONYMOUS 0x20
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#define MAP_POPULATE 0x8000
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#define MREMAP_FIXED 0x2
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void vm_init();
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int handle_page_fault(uintptr_t vaddr, int prot);
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void populate_mapping(const void* start, size_t size, int prot);
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uintptr_t __do_mmap(uintptr_t addr, size_t length, int prot, int flags, file_t* file, off_t offset);
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sysret_t do_mmap(uintptr_t addr, size_t length, int prot, int flags, int fd, off_t offset);
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sysret_t do_munmap(uintptr_t addr, size_t length);
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sysret_t do_mremap(uintptr_t addr, size_t old_size, size_t new_size, int flags);
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sysret_t do_brk(uintptr_t addr);
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#endif
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