diff options
Diffstat (limited to 'arch/arm26/lib/io-writesb.S')
-rw-r--r-- | arch/arm26/lib/io-writesb.S | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/arch/arm26/lib/io-writesb.S b/arch/arm26/lib/io-writesb.S deleted file mode 100644 index 16251b4d510..00000000000 --- a/arch/arm26/lib/io-writesb.S +++ /dev/null @@ -1,122 +0,0 @@ -/* - * linux/arch/arm26/lib/io-writesb.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> - -.outsb_align: rsb ip, ip, #4 - cmp ip, r2 - movgt ip, r2 - cmp ip, #2 - ldrb r3, [r1], #1 - strb r3, [r0] - ldrgeb r3, [r1], #1 - strgeb r3, [r0] - ldrgtb r3, [r1], #1 - strgtb r3, [r0] - subs r2, r2, ip - bne .outsb_aligned - -ENTRY(__raw_writesb) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - ands ip, r1, #3 - bne .outsb_align - -.outsb_aligned: stmfd sp!, {r4 - r6, lr} - - subs r2, r2, #16 - bmi .outsb_no_16 - -.outsb_16_lp: ldmia r1!, {r3 - r6} - - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - - strb r5, [r0] - mov r5, r5, lsr #8 - strb r5, [r0] - mov r5, r5, lsr #8 - strb r5, [r0] - mov r5, r5, lsr #8 - strb r5, [r0] - - strb r6, [r0] - mov r6, r6, lsr #8 - strb r6, [r0] - mov r6, r6, lsr #8 - strb r6, [r0] - mov r6, r6, lsr #8 - strb r6, [r0] - - subs r2, r2, #16 - bpl .outsb_16_lp - - tst r2, #15 - LOADREGS(eqfd, sp!, {r4 - r6, pc}) - -.outsb_no_16: tst r2, #8 - beq .outsb_no_8 - - ldmia r1!, {r3, r4} - - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - -.outsb_no_8: tst r2, #4 - beq .outsb_no_4 - - ldr r3, [r1], #4 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - -.outsb_no_4: ands r2, r2, #3 - LOADREGS(eqfd, sp!, {r4 - r6, pc}) - - cmp r2, #2 - ldrb r3, [r1], #1 - strb r3, [r0] - ldrgeb r3, [r1], #1 - strgeb r3, [r0] - ldrgtb r3, [r1] - strgtb r3, [r0] - - LOADREGS(fd, sp!, {r4 - r6, pc}) |