patch-2.1.96 linux/arch/arm/lib/io-ebsa285.S

• Lines: 110
• Date: Sun Apr 12 11:42:15 1998
• Orig file: v2.1.95/linux/arch/arm/lib/io-ebsa285.S
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.95/linux/arch/arm/lib/io-ebsa285.S linux/arch/arm/lib/io-ebsa285.S
@@ -0,0 +1,109 @@
+#define __ASSEMBLER__
+#include <linux/linkage.h>
+
+ENTRY(insl)
+		add	r0, r0, #0xff000000
+		add	r0, r0, #0x00e00000
+		ands	ip, r1, #3
+		bne	2f
+
+1:		ldr	r3, [r0]
+		str	r3, [r1], #4
+		subs	r2, r2, #1
+		bne	1b
+		mov	pc, lr
+
+2:		cmp	ip, #2
+		ldr	ip, [r0]
+		blt	3f
+		bgt	4f
+
+		strh	ip, [r1], #2
+		mov	ip, ip, lsr #16
+1:		subs	r2, r2, #1
+		ldrne	r3, [r0]
+		orrne	ip, ip, r3, lsl #16
+		strne	ip, [r1], #4
+		movne	ip, r3, lsr #16
+		bne	1b
+		strh	ip, [r1], #2
+		mov	pc, lr
+
+3:		strb	ip, [r1], #1
+		mov	ip, ip, lsr #8
+		strh	ip, [r1], #2
+		mov	ip, ip, lsr #16
+1:		subs	r2, r2, #1
+		ldrne	r3, [r0]
+		orrne	ip, ip, r3, lsl #8
+		strne	ip, [r1], #4
+		movne	ip, r3, lsr #24
+		bne	1b
+		strb	ip, [r1], #1
+		mov	pc, lr
+
+4:		strb	ip, [r1], #1
+		mov	ip, ip, lsr #8
+1:		subs	r2, r2, #1
+		ldrne	r3, [r0]
+		orrne	ip, ip, r3, lsl #24
+		strne	ip, [r1], #4
+		movne	ip, r3, lsr #8
+		bne	1b
+		strb	ip, [r1], #1
+		mov	ip, ip, lsr #8
+		strh	ip, [r1], #2
+		mov	pc, lr
+
+ENTRY(outsl)
+		add	r0, r0, #0xff000000
+		add	r0, r0, #0x00e00000
+		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	ip, [r1], #4
+		mov	ip, ip, lsr #16
+		blt	3f
+		bgt	4f
+
+1:		ldr	r3, [r1], #4
+		orr	ip, ip, r3, lsl #16
+		str	ip, [r0]
+		mov	ip, r3, lsr #16
+		subs	r2, r2, #1
+		bne	1b
+		mov	pc, lr
+
+3:		ldr	r3, [r1], #4
+		orr	ip, ip, r3, lsl #8
+		str	ip, [r0]
+		mov	ip, r3, lsr #24
+		subs	r2, r2, #1
+		bne	3b
+		mov	pc, lr
+
+4:		ldr	r3, [r1], #4
+		orr	ip, ip, r3, lsl #24
+		str	ip, [r0]
+		mov	ip, r3, lsr #8
+		subs	r2, r2, #1
+		bne	4b
+		mov	pc, lr
+
+
+ENTRY(outsw)
+ENTRY(outswb)
+		mov	pc, lr
+
+ENTRY(insw)
+ENTRY(inswb)
+		mov	pc, lr
+