From db40f256164028e1ccf10c4232160537f15a0943 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Sat, 18 Feb 2006 20:58:08 -0500 Subject: [PATCH] Changed the isa from a class to a namespace, untemplated StaticInst and StaticInstPtr, converted things to using TheISA, cleaned up some header file paths, and improved the system which pulls header files from the appropriate architecture. --HG-- extra : convert_revision : 5087333fbaf442efb4b55e70376244629fff507d --- arch/isa_specific.hh | 76 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 arch/isa_specific.hh diff --git a/arch/isa_specific.hh b/arch/isa_specific.hh new file mode 100644 index 000000000..e11e6c292 --- /dev/null +++ b/arch/isa_specific.hh @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2003-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __ARCH_ISA_SPECIFIC_HH__ +#define __ARCH_ISA_SPECIFIC_HH__ + +//This file provides a mechanism for other source code to bring in +//files from the ISA being compiled with + +//These are constants so you can selective compile code based on the isa +//To use them, do something like +// +//#if THE_ISA == YOUR_FAVORITE_ISA +// conditional_code +//#endif +// +//Note that this is how this file sets up the other isa "hooks" + +//These macros have numerical values because otherwise the preprocessor +//would treat them as 0 in comparisons. +#define ALPHA_ISA 21064 +#define SPARC_ISA 42 +#define MIPS_ISA 1337 + +//These tell the preprocessor where to find the files of a particular +//ISA, and set the "TheISA" macro for use elsewhere. +#if THE_ISA == ALPHA_ISA + #define ISA_PATH arch/alpha/ + #define TheISA AlphaISA +#elif THE_ISA == SPARC_ISA + #define ISA_PATH arch/sparc/ + #define TheISA SparcISA +#elif THE_ISA == MIPS_ISA + #define ISA_PATH arch/mips/ + #define TheISA MipsISA +#else + #error "THE_ISA not set" +#endif +//The following is some preprocessor voodoo to allow redirectable includes +//The end result is the ISA_INCLUDE() macro which is used inside stub +//include files in arch and which redirect to the isa in use. +#define STRINGIFY(token) #token +#define EXPAND(token) token +#define STICK_TOGETHER(firstpart, secondpart) \ + EXPAND(firstpart)EXPAND(secondpart) +#define EXPAND_AND_STRINGIFY(pathAndFile) \ + STRINGIFY(pathAndFile) +#define ISA_INCLUDE(filename) \ + EXPAND_AND_STRINGIFY(STICK_TOGETHER(ISA_PATH, filename)) + +#endif -- 2.30.2