1 /* This file is part of psim (model of the PowerPC(tm) architecture) 2 3 Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Library General Public License 7 as published by the Free Software Foundation; either version 3 of 8 the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, but 11 WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Library General Public License for more details. 14 15 You should have received a copy of the GNU Library General Public 16 License along with this library; if not, see <http://www.gnu.org/licenses/>. 17 18 -- 19 20 PowerPC is a trademark of International Business Machines Corporation. */ 21 22 23 /* Basic type sizes for the PowerPC */ 24 25 #ifndef _WORDS_H_ 26 #define _WORDS_H_ 27 28 /* TYPES: 29 30 intNN_t Signed type of the given bit size 31 uintNN_t The corresponding unsigned type 32 33 SIZES 34 35 *NN Size based on the number of bits 36 *_NN Size according to the number of bytes 37 *_word Size based on the target architecture's word 38 word size (32/64 bits) 39 *_cell Size based on the target architecture's 40 IEEE 1275 cell size (almost always 32 bits) 41 42 */ 43 44 45 /* This must come before any other includes. */ 46 #include "defs.h" 47 48 #include <stdint.h> 49 50 /* byte based */ 51 typedef int8_t signed_1; 52 typedef int16_t signed_2; 53 typedef int32_t signed_4; 54 typedef int64_t signed_8; 55 56 typedef uint8_t unsigned_1; 57 typedef uint16_t unsigned_2; 58 typedef uint32_t unsigned_4; 59 typedef uint64_t unsigned_8; 60 61 62 /* for general work, the following are defined */ 63 /* unsigned: >= 32 bits */ 64 /* signed: >= 32 bits */ 65 /* long: >= 32 bits, sign undefined */ 66 /* int: small indicator */ 67 68 /* target architecture based */ 69 #if (WITH_TARGET_WORD_BITSIZE == 64) 70 typedef uint64_t unsigned_word; 71 typedef int64_t signed_word; 72 #else 73 typedef uint32_t unsigned_word; 74 typedef int32_t signed_word; 75 #endif 76 77 78 /* Other instructions */ 79 typedef uint32_t instruction_word; 80 81 /* IEEE 1275 cell size - only support 32bit mode at present */ 82 typedef uint32_t unsigned_cell; 83 typedef int32_t signed_cell; 84 85 #endif /* _WORDS_H_ */ 86