projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/arch/arm/lib/floppydma.S | |
| 3 | * | |
| 4 | * Copyright (C) 1995, 1996 Russell King | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | */ | |
| 10 | #include <linux/linkage.h> | |
| 11 | #include <asm/assembler.h> | |
| 12 | .text | |
| 13 | ||
| 14 | .global floppy_fiqin_end | |
| 15 | ENTRY(floppy_fiqin_start) | |
| 16 | subs r9, r9, #1 | |
| 17 | ldrgtb r12, [r11, #-4] | |
| 18 | ldrleb r12, [r11], #0 | |
| 19 | strb r12, [r10], #1 | |
| 20 | subs pc, lr, #4 | |
| 21 | floppy_fiqin_end: | |
| 22 | ||
| 23 | .global floppy_fiqout_end | |
| 24 | ENTRY(floppy_fiqout_start) | |
| 25 | subs r9, r9, #1 | |
| 26 | ldrgeb r12, [r10], #1 | |
| 27 | movlt r12, #0 | |
| 28 | strleb r12, [r11], #0 | |
| 29 | subles pc, lr, #4 | |
| 30 | strb r12, [r11, #-4] | |
| 31 | subs pc, lr, #4 | |
| 32 | floppy_fiqout_end: |