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/* vi: set sw=4 ts=4: */
/* syscall for arm/uClibc
*
* 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)
{
#if !defined(__thumb__)
register long _r0 asm("r0")=(long)(sysnum);
register long _r6 asm("r6")=(long)(f);
register long _r5 asm("r5")=(long)(e);
register long _r4 asm("r4")=(long)(d);
register long _r3 asm("r3")=(long)(c);
register long _r2 asm("r2")=(long)(b);
register long _r1 asm("r1")=(long)(a);
asm volatile(
"swi %1"
: "=r"(_r0)
: "i"(__NR_syscall), "r"(_r0), "r"(_r1),
"r"(_r2), "r"(_r3), "r"(_r4), "r"(_r5),
"r"(_r6)
: "memory");
#else
register long _r7 asm("r7")=(long)(sysnum);
register long _r5 asm("r5")=(long)(f);
register long _r4 asm("r4")=(long)(e);
register long _r3 asm("r3")=(long)(d);
register long _r2 asm("r2")=(long)(c);
register long _r1 asm("r1")=(long)(b);
register long _r0 asm("r0")=(long)(a);
asm volatile(
"swi 0"
: "=r"(_r0)
: "r"(_r0), "r"(_r1), "r"(_r2), "r"(_r3),
"r"(_r4), "r"(_r5), "r"(_r7)
: "memory");
#endif
if(_r0 >=(unsigned long) -4095) {
long err = _r0;
(*__errno_location())=(-err);
_r0=(unsigned long) -1;
}
return (long) _r0;
}
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