00001 /* 00002 * Copyright Droids Corporation, Microb Technology, Eirbot (2005) 00003 * 00004 * This program is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 * 00018 * Revision : $Id: irq_lock.h,v 1.2 2007-05-24 13:08:44 zer0 Exp $ 00019 * 00020 */ 00021 00040 #ifndef _AVERSIVE_IRQ_LOCK_H_ 00041 #define _AVERSIVE_IRQ_LOCK_H_ 00042 00043 #ifdef HOST_VERSION 00044 00045 /* we must use 'flags' to avoid a warning */ 00046 #define IRQ_UNLOCK(flags) flags=0 00047 #define IRQ_LOCK(flags) flags=0 00048 #define GLOBAL_IRQ_ARE_MASKED() (1) 00049 00050 #else 00051 00052 #define GLOBAL_IRQ_ARE_MASKED() (!(bit_is_set(SREG,7))) 00053 00054 #define IRQ_LOCK(flags) do { \ 00055 flags = SREG; \ 00056 cli(); \ 00057 } while(0) 00058 00059 #define IRQ_UNLOCK(flags) do { \ 00060 SREG = flags; \ 00061 } while ( 0 ) 00062 00063 #endif /* ! HOST_VERSION */ 00064 00065 #endif /* _AVERSIVE_IRQ_LOCK_H_ */
1.5.6