openpcd/firmware/lib/clearbit.S @ master
| 1 | caf50003 | (no author) | /*
|
|---|---|---|---|
| 2 | * linux/arch/arm/lib/clearbit.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 <asm/linkage.h>
|
||
| 11 | #include <asm/assembler.h>
|
||
| 12 | #include "bitops.h"
|
||
| 13 | .text |
||
| 14 | |||
| 15 | /*
|
||
| 16 | * Purpose : Function to clear a bit |
||
| 17 | * Prototype: int clear_bit(int bit, void *addr) |
||
| 18 | */
|
||
| 19 | ENTRY(_clear_bit_be) |
||
| 20 | eor r0, r0, #0x18 @ big endian byte ordering |
||
| 21 | ENTRY(_clear_bit_le) |
||
| 22 | bitop bic |
