Retro68/gcc/libgcc/config/nds32/isr-library/restore_partial.inc
2017-04-10 13:32:00 +02:00

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/* c-isr library stuff of Andes NDS32 cpu for GNU compiler
Copyright (C) 2012-2016 Free Software Foundation, Inc.
Contributed by Andes Technology Corporation.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your
option) any later version.
GCC 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 General Public
License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
.macro RESTORE_PARTIAL
#if defined(NDS32_NESTED) || defined(NDS32_NESTED_READY)
setgie.d
dsb
lmw.bim $r1, [$sp], $r2, #0x0 /* Restore IPC, IPSW. */
mtsr $r1, $IPC /* Set IPC. */
mtsr $r2, $IPSW /* Set IPSW. */
#endif
RESTORE_FPU_REGS
RESTORE_MAC_REGS
#ifdef NDS32_EXT_IFC
lmw.bim $r1, [$sp], $r2, #0x0 /* Restore extra $r2 to keep
stack 8-byte alignment. */
mtusr $r1, $IFC_LP
#endif
lmw.bim $r0, [$sp], $r5, #0x0 /* Restore all regs. */
#ifdef __NDS32_REDUCED_REGS__
lmw.bim $r15, [$sp], $r15, #0x2
#else
lmw.bim $r15, [$sp], $r27, #0x2 /* Restore all regs. */
#endif
.endm