57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* Copyright 2010 Stefan Lankes, Chair for Operating Systems,
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* RWTH Aachen University
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of MetalSVM.
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*/
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#ifndef __STDDEF_H__
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#define __STDDEF_H__
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#include <metalsvm/config.h>
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#include <asm/stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NULL ((void*) 0)
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typedef unsigned int tid_t;
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#if MAX_CORES == 1
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#define per_core(name) name
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#define DECLARE_PER_CORE(type, name) extern type name;
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#define DEFINE_PER_CORE(type, name, def_value) type name = def_value;
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#define CORE_ID 0
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#else
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#define per_core(name) name[LOGICAL_CPUID].var
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#define DECLARE_PER_CORE(type, name) \
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typedef struct { type var __attribute__ ((aligned (CACHE_LINE))); } aligned_##name;\
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extern aligned_##name name[MAX_CORES];
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#define DEFINE_PER_CORE(type, name, def_value) \
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aligned_##name name[MAX_CORES] = {[0 ... MAX_CORES-1] = {def_value}};
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#define CORE_ID LOGICAL_CPUID
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#endif
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/* needed to find the task, which is currently running on this core */
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struct task;
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DECLARE_PER_CORE(struct task*, current_task);
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#ifdef __cplusplus
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}
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#endif
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#endif
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