diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/lib/io-writesb.S')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/lib/io-writesb.S | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/ANDROID_3.4.5/arch/arm/lib/io-writesb.S b/ANDROID_3.4.5/arch/arm/lib/io-writesb.S deleted file mode 100644 index 68b92f4a..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/io-writesb.S +++ /dev/null @@ -1,94 +0,0 @@ -/* - * linux/arch/arm/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> - - .macro outword, rd -#ifndef __ARMEB__ - strb \rd, [r0] - mov \rd, \rd, lsr #8 - strb \rd, [r0] - mov \rd, \rd, lsr #8 - strb \rd, [r0] - mov \rd, \rd, lsr #8 - strb \rd, [r0] -#else - mov lr, \rd, lsr #24 - strb lr, [r0] - mov lr, \rd, lsr #16 - strb lr, [r0] - mov lr, \rd, lsr #8 - strb lr, [r0] - strb \rd, [r0] -#endif - .endm - -.Loutsb_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 .Loutsb_aligned - -ENTRY(__raw_writesb) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - ands ip, r1, #3 - bne .Loutsb_align - -.Loutsb_aligned: - stmfd sp!, {r4, r5, lr} - - subs r2, r2, #16 - bmi .Loutsb_no_16 - -.Loutsb_16_lp: ldmia r1!, {r3, r4, r5, ip} - outword r3 - outword r4 - outword r5 - outword ip - subs r2, r2, #16 - bpl .Loutsb_16_lp - - tst r2, #15 - ldmeqfd sp!, {r4, r5, pc} - -.Loutsb_no_16: tst r2, #8 - beq .Loutsb_no_8 - - ldmia r1!, {r3, r4} - outword r3 - outword r4 - -.Loutsb_no_8: tst r2, #4 - beq .Loutsb_no_4 - - ldr r3, [r1], #4 - outword r3 - -.Loutsb_no_4: ands r2, r2, #3 - ldmeqfd sp!, {r4, r5, pc} - - cmp r2, #2 - ldrb r3, [r1], #1 - strb r3, [r0] - ldrgeb r3, [r1], #1 - strgeb r3, [r0] - ldrgtb r3, [r1] - strgtb r3, [r0] - - ldmfd sp!, {r4, r5, pc} -ENDPROC(__raw_writesb) |