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-rw-r--r--grub-core/lib/arm/setjmp.S53
1 files changed, 53 insertions, 0 deletions
diff --git a/grub-core/lib/arm/setjmp.S b/grub-core/lib/arm/setjmp.S
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+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2013 Free Software Foundation, Inc.
+ *
+ * GRUB 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 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/symbol.h>
+#include <grub/dl.h>
+
+ .file "setjmp.S"
+
+GRUB_MOD_LICENSE "GPLv3+"
+
+ .syntax unified
+#if !defined (__thumb2__)
+ .arm
+#else
+ .thumb
+#endif
+
+ .text
+
+/*
+ * int grub_setjmp (grub_jmp_buf env)
+ */
+FUNCTION(grub_setjmp)
+ mov r12, sp
+ stm r0, { r4-r12, lr }
+ mov r0, #0
+ bx lr
+
+/*
+ * int grub_longjmp (grub_jmp_buf env, int val)
+ */
+FUNCTION(grub_longjmp)
+ ldm r0, { r4-r12, lr }
+ mov sp, r12
+ movs r0, r1
+ it eq
+ moveq r0, #1
+ bx lr