01fd92550a
Add <powerpc/cpuset.h> (for mpc85xx pmap). Add some initial MP code for mpc85xx Rework ipi code to be common across all ppcs Change PPC to keep curlwp in %r13 while in the kernel. Move astpending from cpu_info to mdlwp Improve cpu_need_resched to be more MP friendly.
58 lines
2.5 KiB
C
58 lines
2.5 KiB
C
/* $NetBSD: cpuset.h,v 1.1 2011/06/05 16:52:25 matt Exp $ */
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/*-
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* Copyright (c) 2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _POWERPC_CPUSET_H_
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#define _POWERPC_CPUSET_H_
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#include <sys/atomic.h>
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#define CPUSET_SINGLE(cpu) ((__cpuset_t)1U << (cpu))
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#define CPUSET_ADD(set, cpu) atomic_or_32(&(set), CPUSET_SINGLE(cpu))
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#define CPUSET_DEL(set, cpu) atomic_and_32(&(set), ~CPUSET_SINGLE(cpu))
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#define CPUSET_ADDSET(set1, set2) atomic_or_32(&(set1), (set2))
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#define CPUSET_DELSET(set1, set2) atomic_and_32(&(set1), ~(set2))
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#define CPUSET_EXCEPT(set, cpu) ((set) & ~CPUSET_SINGLE(cpu))
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#define CPUSET_HAS_P(set, cpu) ((set) & CPUSET_SINGLE(cpu))
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#define CPUSET_INTERSECTS_P(set1, set2) ((set1) & (set2))
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#define CPUSET_NEXT(set) (ffs(set) - 1)
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#define CPUSET_NULLSET ((__cpuset_t)0)
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#define CPUSET_EMPTY_P(set) ((set) == (__cpuset_t)0)
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#define CPUSET_EQUAL_P(set1, set2) ((set1) == (set2))
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#define CPUSET_CLEAR(set) ((set) = (__cpuset_t)0)
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#define CPUSET_ASSIGN(set1, set2) ((set1) = (set2))
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#define CPUSET_MERGE(set1, set2) ((set1) |= (set2))
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#define CPUSET_REMOVE(set1, set2) ((set1) & ~(set2))
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#define CPUSET_SUBSET(set1, set2) ((set1) & (set2))
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#define CPUSET_INVERT(set) (~(set))
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#endif /* _POWERPC_CPUSET_H_ */
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