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Diffstat (limited to 'libc/sysdeps/linux/bfin/syscall.c')
-rw-r--r--libc/sysdeps/linux/bfin/syscall.c64
1 files changed, 42 insertions, 22 deletions
diff --git a/libc/sysdeps/linux/bfin/syscall.c b/libc/sysdeps/linux/bfin/syscall.c
index 15881b46b..1db873874 100644
--- a/libc/sysdeps/linux/bfin/syscall.c
+++ b/libc/sysdeps/linux/bfin/syscall.c
@@ -1,10 +1,22 @@
/* 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>
+ * Copyright (C) 2004-2006 by Analog Devices Inc.
+ * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>
*
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ * 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>
@@ -12,26 +24,34 @@
#include <sys/types.h>
#include <sys/syscall.h>
-long syscall(long sysnum, long a, long b, long c, long d, long e)
+long syscall(long sysnum, long a, long b, long c, long d, long e, long f)
{
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;
+ __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;
}