1 files changed, 47 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/nds32/isr-library/restore_partial.inc b/gcc-4.9/libgcc/config/nds32/isr-library/restore_partial.inc
new file mode 100644
index 000000000..60b86e461
--- /dev/null
+++ b/gcc-4.9/libgcc/config/nds32/isr-library/restore_partial.inc
@@ -0,0 +1,47 @@
+/* c-isr library stuff of Andes NDS32 cpu for GNU compiler
+   Copyright (C) 2012-2014 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