41 lines
		
	
	
		
			661 B
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			661 B
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
#define _SYSTEM 1
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#include <lib.h>
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#define mmap	_mmap
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#define munmap	_munmap
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#include <sys/mman.h>
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#include <stdarg.h>
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#include <string.h>
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#include <errno.h>
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PUBLIC void *mmap(void *addr, size_t len, int prot, int flags,
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	int fd, off_t offset)
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{
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	message m;
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	int r;
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	m.VMM_ADDR = (vir_bytes) addr;
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	m.VMM_LEN = len;
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	m.VMM_PROT = prot;
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	m.VMM_FLAGS = flags;
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	m.VMM_FD = fd;
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	m.VMM_OFFSET = offset;
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	r = _syscall(VM_PROC_NR, VM_MMAP, &m);
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	if(r != OK) {
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		return MAP_FAILED;
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	}
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	return (void *) m.VMM_RETADDR;
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}
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PUBLIC int munmap(void *addr, size_t len)
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{
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	message m;
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	m.VMUM_ADDR = addr;
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	m.VMUM_LEN = len;
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	return _syscall(VM_PROC_NR, VM_UNMAP, &m);
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}
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