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/* vi: set sw=4 ts=4: */
/* syscall for blackfin/uClibc
*
* Copyright (C) 2004-2006 by Analog Devices Inc.
* Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
* for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#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, long f)
{
int _r0 = 0;
__asm__ __volatile__ (
"R5 = %7;"
"R4 = %6;"
"R3 = %5;"
"R2 = %4;"
"R1 = %3;"
"R0 = %2;"
"P0 = %1;"
"excpt 0;"
"%0 = R0;"
: "=r" (_r0)
: "rm" (sysnum),
"rm" (a),
"rm" (b),
"rm" (c),
"rm" (d),
"rm" (e),
"rm" (f)
: "memory","CC","R0","R1","R2","R3","R4","R5","P0");
if (_r0 >= (unsigned long) -4095) {
(*__errno_location()) = (-_r0);
_r0 = (unsigned long) -1;
}
return (long)_r0;
}
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