67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
/*
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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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 are
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* met: 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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* 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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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Gabe Black
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*/
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#ifndef __ARCH_ISA_SPECIFIC_HH__
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#define __ARCH_ISA_SPECIFIC_HH__
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//This file provides a mechanism for other source code to bring in
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//files from the ISA being compiled in.
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//These are constants so you can selectively compile code based on the isa.
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//To use them, do something like:
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//
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//#if THE_ISA == YOUR_FAVORITE_ISA
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// conditional_code
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//#endif
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//
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//Note that this is how this file sets up the TheISA macro.
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//These macros have numerical values because otherwise the preprocessor
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//would treat them as 0 in comparisons.
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#define ALPHA_ISA 21064
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#define SPARC_ISA 42
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#define MIPS_ISA 34000
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#define X86_ISA 8086
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//These tell the preprocessor where to find the files of a particular
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//ISA, and set the "TheISA" macro for use elsewhere.
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#if THE_ISA == ALPHA_ISA
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#define TheISA AlphaISA
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#elif THE_ISA == SPARC_ISA
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#define TheISA SparcISA
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#elif THE_ISA == MIPS_ISA
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#define TheISA MipsISA
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#elif THE_ISA == X86_ISA
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#define TheISA X86ISA
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#else
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#error "THE_ISA not set"
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#endif
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#endif
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