diff options
Diffstat (limited to 'arch/arm/lib/floppydma.S')
| -rw-r--r-- | arch/arm/lib/floppydma.S | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/lib/floppydma.S b/arch/arm/lib/floppydma.S new file mode 100644 index 000000000000..617150b1baef --- /dev/null +++ b/arch/arm/lib/floppydma.S | |||
| @@ -0,0 +1,32 @@ | |||
| 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: | ||