diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:16:45 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:16:45 +0200 |
| commit | 96ae6ea0be1b902c28b3b463c27da42b41e2b63a (patch) | |
| tree | fbc18761d4fa93d7b0f6dbf3496289fa32bd363a /arch/i386/boot/bitops.h | |
| parent | i386: move boot (diff) | |
| download | linux-96ae6ea0be1b902c28b3b463c27da42b41e2b63a.tar.xz linux-96ae6ea0be1b902c28b3b463c27da42b41e2b63a.zip | |
i386: move boot
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/i386/boot/bitops.h')
| -rw-r--r-- | arch/i386/boot/bitops.h | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/arch/i386/boot/bitops.h b/arch/i386/boot/bitops.h deleted file mode 100644 index 8dcc8dc7db88..000000000000 --- a/arch/i386/boot/bitops.h +++ /dev/null @@ -1,45 +0,0 @@ -/* -*- linux-c -*- ------------------------------------------------------- * - * - * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright 2007 rPath, Inc. - All Rights Reserved - * - * This file is part of the Linux kernel, and is made available under - * the terms of the GNU General Public License version 2. - * - * ----------------------------------------------------------------------- */ - -/* - * arch/i386/boot/bitops.h - * - * Very simple bitops for the boot code. - */ - -#ifndef BOOT_BITOPS_H -#define BOOT_BITOPS_H -#define _LINUX_BITOPS_H /* Inhibit inclusion of <linux/bitops.h> */ - -static inline int constant_test_bit(int nr, const void *addr) -{ - const u32 *p = (const u32 *)addr; - return ((1UL << (nr & 31)) & (p[nr >> 5])) != 0; -} -static inline int variable_test_bit(int nr, const void *addr) -{ - u8 v; - const u32 *p = (const u32 *)addr; - - asm("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); - return v; -} - -#define test_bit(nr,addr) \ -(__builtin_constant_p(nr) ? \ - constant_test_bit((nr),(addr)) : \ - variable_test_bit((nr),(addr))) - -static inline void set_bit(int nr, void *addr) -{ - asm("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr)); -} - -#endif /* BOOT_BITOPS_H */ |