summaryrefslogtreecommitdiffstats
path: root/grub-core/lib/mips/setjmp.S
diff options
context:
space:
mode:
Diffstat (limited to 'grub-core/lib/mips/setjmp.S')
-rw-r--r--grub-core/lib/mips/setjmp.S71
1 files changed, 71 insertions, 0 deletions
diff --git a/grub-core/lib/mips/setjmp.S b/grub-core/lib/mips/setjmp.S
new file mode 100644
index 0000000..895235b
--- /dev/null
+++ b/grub-core/lib/mips/setjmp.S
@@ -0,0 +1,71 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2003,2007,2009 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>
+#include <grub/mips/asm.h>
+
+ .file "setjmp.S"
+
+GRUB_MOD_LICENSE "GPLv3+"
+
+ .text
+
+/*
+ * int grub_setjmp (grub_jmp_buf env)
+ */
+FUNCTION(grub_setjmp)
+ GRUB_ASM_REG_S $s0, 0($a0)
+ GRUB_ASM_REG_S $s1, 8($a0)
+ GRUB_ASM_REG_S $s2, 16($a0)
+ GRUB_ASM_REG_S $s3, 24($a0)
+ GRUB_ASM_REG_S $s4, 32($a0)
+ GRUB_ASM_REG_S $s5, 40($a0)
+ GRUB_ASM_REG_S $s6, 48($a0)
+ GRUB_ASM_REG_S $s7, 56($a0)
+ GRUB_ASM_REG_S $s8, 64($a0)
+ GRUB_ASM_REG_S $gp, 72($a0)
+ GRUB_ASM_REG_S $sp, 80($a0)
+ GRUB_ASM_REG_S $ra, 88($a0)
+ move $v0, $zero
+ move $v1, $zero
+ jr $ra
+ nop
+/*
+ * int grub_longjmp (grub_jmp_buf env, int val)
+ */
+FUNCTION(grub_longjmp)
+ GRUB_ASM_REG_L $s0, 0($a0)
+ GRUB_ASM_REG_L $s1, 8($a0)
+ GRUB_ASM_REG_L $s2, 16($a0)
+ GRUB_ASM_REG_L $s3, 24($a0)
+ GRUB_ASM_REG_L $s4, 32($a0)
+ GRUB_ASM_REG_L $s5, 40($a0)
+ GRUB_ASM_REG_L $s6, 48($a0)
+ GRUB_ASM_REG_L $s7, 56($a0)
+ GRUB_ASM_REG_L $s8, 64($a0)
+ GRUB_ASM_REG_L $gp, 72($a0)
+ GRUB_ASM_REG_L $sp, 80($a0)
+ GRUB_ASM_REG_L $ra, 88($a0)
+ move $v0, $a1
+ bne $v0, $zero, 1f
+ addiu $v0, $v0, 1
+1:
+ move $v1, $zero
+ jr $ra
+ nop