1 /* c-isr library stuff of Andes NDS32 cpu for GNU compiler
2 Copyright (C) 2012-2015 Free Software Foundation, Inc.
3 Contributed by Andes Technology Corporation.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published
9 by the Free Software Foundation; either version 3, or (at your
10 option) any later version.
12 GCC is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
17 Under Section 7 of GPL version 3, you are granted additional
18 permissions described in the GCC Runtime Library Exception, version
19 3.1, as published by the Free Software Foundation.
21 You should have received a copy of the GNU General Public License and
22 a copy of the GCC Runtime Library Exception along with this program;
23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 <http://www.gnu.org/licenses/>. */
26 .macro SAVE_PARTIAL_4B
27 #ifdef __NDS32_REDUCED_REGS__
28 smw.adm $r15, [$sp], $r15, #0x2
29 #else /* not __NDS32_REDUCED_REGS__ */
30 smw.adm $r15, [$sp], $r27, #0x2
31 #endif /* not __NDS32_REDUCED_REGS__ */
32 smw.adm $r0, [$sp], $r5, #0x0
35 smw.adm $r1, [$sp], $r2, #0x0 /* Save extra $r2 to keep
36 stack 8-byte alignment. */
40 #if defined(NDS32_NESTED) || defined(NDS32_NESTED_READY)
41 mfsr $r1, $IPC /* Get IPC. */
42 mfsr $r2, $IPSW /* Get IPSW. */
43 smw.adm $r1, [$sp], $r2, #0x0 /* Push IPC, IPSW. */
45 mfsr $r0, $ITYPE /* Get VID to $r0. */
47 #ifdef __NDS32_ISA_V2__
55 /* SAVE_CALLER_REGS code has been moved to
56 vector table generated by compiler. */
59 smw.adm $r1, [$sp], $r2, #0x0 /* Save extra $r2 to keep
60 stack 8-byte alignment. */
64 #if defined(NDS32_NESTED) || defined(NDS32_NESTED_READY)
65 mfsr $r1, $IPC /* Get IPC. */
66 mfsr $r2, $IPSW /* Get IPSW. */
67 smw.adm $r1, [$sp], $r2, #0x0 /* Push IPC, IPSW. */