1 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm26/lib/io-writesl.S b/arch/arm26/lib/io-writesl.S
new file mode 100644
index 00000000000..4d6049b16e7
--- /dev/null
+++ b/arch/arm26/lib/io-writesl.S
@@ -0,0 +1,56 @@
+/*
+ *  linux/arch/arm26/lib/io-writesl.S
+ *
+ *  Copyright (C) 1995-2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <asm/hardware.h>
+
+ENTRY(__raw_writesl)
+		teq	r2, #0		@ do we have to check for the zero len?
+		moveq	pc, lr
+		ands	ip, r1, #3
+		bne	2f
+
+1:		ldr	r3, [r1], #4
+		str	r3, [r0]
+		subs	r2, r2, #1
+		bne	1b
+		mov	pc, lr
+
+2:		bic	r1, r1, #3
+		cmp	ip, #2
+		ldr	r3, [r1], #4
+		bgt	4f
+		blt	5f
+
+3:		mov	ip, r3, lsr #16
+		ldr	r3, [r1], #4
+		orr	ip, ip, r3, lsl #16
+		str	ip, [r0]
+		subs	r2, r2, #1
+		bne	3b
+		mov	pc, lr
+
+4:		mov	ip, r3, lsr #24
+		ldr	r3, [r1], #4
+		orr	ip, ip, r3, lsl #8
+		str	ip, [r0]
+		subs	r2, r2, #1
+		bne	4b
+		mov	pc, lr
+
+5:		mov	ip, r3, lsr #8
+		ldr	r3, [r1], #4
+		orr	ip, ip, r3, lsl #24
+		str	ip, [r0]
+		subs	r2, r2, #1
+		bne	5b
+		mov	pc, lr
+
+