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