41 lines
661 B
C
41 lines
661 B
C
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#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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