9778b7b790
git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@2 315a16e6-25f9-4109-90ae-ca3045a26c18
43 lines
1.1 KiB
C
43 lines
1.1 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 __ARCH_PROCESSOR_H__
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#define __ARCH_PROCESSOR_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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static inline uint64_t rdtsc()
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{
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uint64_t x;
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asm volatile ("rdtsc" : "=A" (x));
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return x;
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}
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#define NOP1 asm volatile ("nop")
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#define NOP2 asm volatile ("nop;nop")
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#define NOP4 asm volatile ("nop;nop;nop;nop")
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#define NOP8 asm volatile ("nop;nop;nop;nop;nop;nop;nop;nop")
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#ifdef __cplusplus
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}
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#endif
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#endif
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