diff options
| author | makefu <github@syntax-fehler.de> | 2011-08-20 23:21:48 +0200 |
|---|---|---|
| committer | makefu <github@syntax-fehler.de> | 2011-08-20 23:21:48 +0200 |
| commit | 37e09437c2f20ac269f8d2b7f9c7f7cd325f0585 (patch) | |
| tree | e1ea709db90614f48c7d7b2a2162236b8ef69889 /oncology/dpfhack_display/lcd4linux/.svn/text-base/udelay.h.svn-base | |
| parent | 9bbf4fa73c2d48864e58d624629bd4bac7a69673 (diff) | |
oncology: initial commit
oncology will analyse the current krebs status
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/udelay.h.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/udelay.h.svn-base | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/udelay.h.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/udelay.h.svn-base new file mode 100644 index 00000000..bddadce6 --- /dev/null +++ b/oncology/dpfhack_display/lcd4linux/.svn/text-base/udelay.h.svn-base @@ -0,0 +1,50 @@ +/* $Id$ + * $URL$ + * + * short delays + * + * Copyright (C) 1999, 2000 Michael Reinelt <michael@reinelt.co.at> + * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> + * + * This file is part of LCD4Linux. + * + * LCD4Linux is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * LCD4Linux is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef _UDELAY_H_ +#define _UDELAY_H_ + +/* stolen from linux/asm-i386/processor.h */ +/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ +static inline void rep_nop(void) +{ +#if defined(__i386) || defined(__i386__) || defined(__AMD64__) || defined(__x86_64__) || defined(__amd64__) + /* intel or amd64 arch, the "rep" and "nop" opcodes are available */ + __asm__ __volatile__("rep; nop"); +#else + /* other Arch, maybe add core cooldown code here, too. */ + do { + } while (0); +#endif +} + +void udelay_init(void); +unsigned long timing(const char *driver, const char *section, const char *name, const int defval, const char *unit); +void ndelay(const unsigned long nsec); + +#define udelay(usec) ndelay(usec*1000) + +#endif |
