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/* vi: set sw=4 ts=4: */
/* syscall for blackfin/uClibc
*
* Copyright (C) 2004 by Analog Devices Inc.
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <features.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/syscall.h>
long syscall(long sysnum, long a, long b, long c, long d, long e)
{
int _r0 = 0;
asm volatile(
"p0 = %1;" /*SysCall Number*/
"r0 = %2;"
"r1 = %3;"
"r2 = %4;"
"r3 = %6;"
"r4 = %5;"
"excpt 0;" /*Call the System Call*/
"%0 = r0;" /*Store the result of syscall*/
: "=r"(_r0)
: "r"(sysnum), "r"(a), "r"(b),
"r"(c), "r"(d), "r"(e)
: "memory");
if(_r0 >=(unsigned long) -4095) {
(*__errno_location())=(-_r0);
_r0=(unsigned long) -1;
}
return (long) _r0;
}
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