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c764701a53
CONFIG_* == 1. If those variables are set, they will always be 1. Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://coreboot.org/repository/coreboot-v3@599 f3766cd6-281f-0410-b1cd-43a5c92072e9
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2001 Linux Networx
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* (Written by Eric Biederman <ebiederman@lnxi.com> for Linux Networx)
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* Copyright (C) 2007 coresystems GmbH
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* (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef SPINLOCK_H
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#define SPINLOCK_H
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#ifdef CONFIG_SMP
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#include <arch/spinlock.h>
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#else /* !CONFIG_SMP */
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#define barrier() do {} while(0)
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#define spin_is_locked(lock) 0
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#define spin_unlock_wait(lock) do {} while(0)
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#define spin_lock(lock) do {} while(0)
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#define spin_unlock(lock) do {} while(0)
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#define spin_define(lock) /* empty */
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#endif
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#endif /* SPINLOCK_H */
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