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 000000000000..4d6049b16e71
--- /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
+
+