automake commit without merge history

grub-core/lib/mips/relocator_asm.S

@@ -0,0 +1,58 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 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>
+	
+	.p2align	4	/* force 16-byte alignment */
+
+VARIABLE (grub_relocator32_forward_start)
+	move $a0, $9
+	move $a1, $10
+
+copycont1:	
+	lb $11,0($8)
+	sb $11,0($9)
+	addiu $8, $8, 0x1
+	addiu $9, $9, 0x1
+	addiu $10, $10, 0xffff
+	bne $10, $0, copycont1
+
+#include "../../kern/mips/cache_flush.S"
+
+VARIABLE (grub_relocator32_forward_end)
+
+VARIABLE (grub_relocator32_backward_start)
+	move $a0, $9
+	move $a1, $10
+
+	addu $9, $9, $10
+	addu $8, $8, $10
+	/* Backward movsl is implicitly off-by-one.  compensate that.  */
+	addiu $9, $9, 0xffff
+	addiu $8, $8, 0xffff
+copycont2:	
+	lb $11,0($8)
+	sb $11,0($9)
+	addiu $8, $8, 0xffff
+	addiu $9, $9, 0xffff
+	addiu $10, 0xffff
+	bne $10, $0, copycont2
+
+#include "../../kern/mips/cache_flush.S"
+
+VARIABLE (grub_relocator32_backward_end)