src/Emu/Utility/DecoderUtility.h

説明を見る。
00001 // 
00002 // Copyright (c) 2005-2008 Kenichi Watanabe.
00003 // Copyright (c) 2005-2008 Yasuhiro Watari.
00004 // Copyright (c) 2005-2008 Hironori Ichibayashi.
00005 // Copyright (c) 2008-2009 Kazuo Horio.
00006 // Copyright (c) 2009-2013 Naruki Kurata.
00007 // Copyright (c) 2005-2013 Ryota Shioya.
00008 // Copyright (c) 2005-2013 Masahiro Goshima.
00009 // 
00010 // This software is provided 'as-is', without any express or implied
00011 // warranty. In no event will the authors be held liable for any damages
00012 // arising from the use of this software.
00013 // 
00014 // Permission is granted to anyone to use this software for any purpose,
00015 // including commercial applications, and to alter it and redistribute it
00016 // freely, subject to the following restrictions:
00017 // 
00018 // 1. The origin of this software must not be misrepresented; you must not
00019 // claim that you wrote the original software. If you use this software
00020 // in a product, an acknowledgment in the product documentation would be
00021 // appreciated but is not required.
00022 // 
00023 // 2. Altered source versions must be plainly marked as such, and must not be
00024 // misrepresented as being the original software.
00025 // 
00026 // 3. This notice may not be removed or altered from any source
00027 // distribution.
00028 // 
00029 // 
00030 
00031 
00032 #ifndef __EMULATORUTILITY_DECODERUTILITY_H__
00033 #define __EMULATORUTILITY_DECODERUTILITY_H__
00034 
00035 namespace Onikiri {
00036     namespace EmulatorUtility {
00037 
00038         // begin rbg (LSB=0) beginrbglen bito
00039         // sexttruegs
00040         template <typename T>
00041         T ExtractBits(T value, int begin, int len, bool sext = false)
00042         {
00043             T result = (value >> begin) & ~(~(T)0 << len);
00044             // sign extend
00045             if (sext && (result & ((T)1 << (len-1))))
00046                 result |= ~0 << len;
00047             return result;
00048         }
00049 
00050     } // namespace PPC64Linux
00051 } // namespace Onikiri
00052 
00053 #endif

Onikiri2に対してTue Jun 18 14:34:20 2013に生成されました。  doxygen 1.4.7