2 * File: arch/blackfin/kernel/entry.S
10 * Copyright 2004-2006 Analog Devices Inc.
12 * Bugs: Enter bugs at http://blackfin.uclinux.org/
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, see the file COPYING, or write
26 * to the Free Software Foundation, Inc.,
27 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
30 #include <linux/linkage.h>
31 #include <asm/thread_info.h>
32 #include <asm/errno.h>
33 #include <asm/asm-offsets.h>
35 #include <asm/mach-common/context.S>
37 #ifdef CONFIG_EXCPT_IRQ_SYSC_L1
49 if cc jump .Lin_kernel;
55 /* do a 'fake' RTI by jumping to [RETI]
56 * to avoid clearing supervisor mode in child
86 ENTRY(_sys_rt_sigreturn)
91 call _do_rt_sigreturn;