/****************************************************************************** * * Copyright 2014 The Android Open Source Project * Copyright 2002 - 2004 Open Interface North America, Inc. All rights * reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ #ifndef _OI_CPU_DEP_H #define _OI_CPU_DEP_H #include /** * @file * This file contains definitions for characteristics of the target CPU and * compiler, including primitive data types and endianness. * * This file defines the byte order and primitive data types for various * CPU families. The preprocessor symbol 'CPU' must be defined to be an * appropriate value or this header will generate a compile-time error. * * @note The documentation for this header file uses the x86 family of * processors as an illustrative example for CPU/compiler-dependent data type * definitions. Go to the source code of this header file to see the details of * primitive type definitions for each platform. * * Additional information is available in the @ref data_types_docpage section. */ /******************************************************************************* $Revision: #1 $ ******************************************************************************/ #ifdef __cplusplus extern "C" { #endif /** \addtogroup Misc Miscellaneous APIs */ /**@{*/ /** @name Definitions indicating family of target OI_CPU_TYPE * @{ */ #define OI_CPU_X86 1 /**< x86 processor family */ #define OI_CPU_ARM \ 2 /**< ARM processor family. \ @deprecated Use #OI_CPU_ARM7_LEND or \ #OI_CPU_ARM7_BEND. */ #define OI_CPU_ARC \ 3 /**< ARC processor family. \ @deprecated Use #OI_CPU_ARC_LEND or \ #OI_CPU_ARC_BEND. */ #define OI_CPU_SH3 4 /**< Hitachi SH-3 processor family */ #define OI_CPU_H8 5 /**< Hitachi H8 processor family */ #define OI_CPU_MIPS 6 /**< MIPS processor family */ #define OI_CPU_SPARC 7 /**< SPARC processor family */ #define OI_CPU_M68000 8 /**< Motorola M68000 processor family */ #define OI_CPU_PPC 9 /**< PowerPC (PPC) processor family */ #define OI_CPU_SH4_7750 \ 10 /**< Hitachi SH7750 series in SH-4 processor family */ #define OI_CPU_SH2 11 /**< Hitachi SH-2 processor family */ #define OI_CPU_ARM7_LEND 12 /**< ARM7, little-endian */ #define OI_CPU_ARM7_BEND 13 /**< ARM7, big-endian */ #define OI_CPU_GDM1202 14 /**< GCT GDM1202 */ #define OI_CPU_ARC_LEND 15 /**< ARC processor family, little-endian */ #define OI_CPU_ARC_BEND 16 /**< ARC processor family, big-endian */ #define OI_CPU_M30833F 17 /**< Mitsubishi M308 processor family */ #define OI_CPU_CR16C 18 /**< National Semiconductor 16 bit processor family */ #define OI_CPU_M64111 19 /**< Renesas M64111 processor (M32R family) */ #define OI_CPU_ARMV5_LEND 20 //*< ARM5, little-endian */ #define OI_CPU_TYPE 12 #ifndef OI_CPU_TYPE #error "OI_CPU_TYPE type not defined" #endif /**@}*/ /** @name Definitions indicating byte-wise endianness of target CPU * @{ */ #define OI_BIG_ENDIAN_BYTE_ORDER \ 0 /**< Multiple-byte values are stored in memory beginning with the most \ significant byte at the lowest address. */ #define OI_LITTLE_ENDIAN_BYTE_ORDER \ 1 /**< Multiple-byte values are stored in memory beginning with the least \ significant byte at the lowest address. */ /**@}*/ /** @name CPU/compiler-independent primitive data type definitions * @{ */ typedef int OI_BOOL; /**< Boolean values use native integer data type for target CPU. */ typedef int OI_INT; /**< Integer values use native integer data type for target CPU. */ typedef unsigned int OI_UINT; /**< Unsigned integer values use native unsigned integer data type for target CPU. */ typedef unsigned char OI_BYTE; /**< Raw bytes type uses native character data type for target CPU. */ typedef uint32_t OI_ELEMENT_UNION; /**< Type for first element of a union to support all data types up to pointer width. */ /**@}*/ /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_X86 #define OI_CPU_BYTE_ORDER \ OI_LITTLE_ENDIAN_BYTE_ORDER /**< x86 platform byte ordering is little-endian \ */ #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_ARM /* This CPU type is deprecated (removed from use). Instead, use OI_CPU_ARM7_LEND * or OI_CPU_ARM7_BEND for little-endian or big-endian configurations of the * ARM7, respectively. */ #error OI_CPU_ARM is deprecated #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_ARC /* This CPU type is deprecated (removed from use). Instead, use OI_CPU_ARC_LEND * or OI_CPU_ARC_BEND for little-endian or big-endian configurations of the * ARC, respectively. */ #error OI_CPU_ARC is deprecated #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_SH3 /* The Hitachi SH C compiler defines _LIT or _BIG, depending on the endianness specified to the compiler on the command line. */ #if defined(_LIT) #define OI_CPU_BYTE_ORDER \ OI_LITTLE_ENDIAN_BYTE_ORDER /**< If _LIT is defined, SH-3 platform byte \ ordering is little-endian. */ #elif defined(_BIG) #define OI_CPU_BYTE_ORDER \ OI_BIG_ENDIAN_BYTE_ORDER /**< If _BIG is defined, SH-3 platform byte \ ordering is big-endian. */ #else #error SH compiler endianness undefined #endif #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_SH2 #define OI_CPU_BYTE_ORDER \ OI_BIG_ENDIAN_BYTE_ORDER /**< SH-2 platform byte ordering is big-endian. */ #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_H8 #define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER #error basic types not defined #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_MIPS #define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_SPARC #define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER #error basic types not defined #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_M68000 #define OI_CPU_BYTE_ORDER \ OI_BIG_ENDIAN_BYTE_ORDER /**< M68000 platform byte ordering is big-endian. \ */ #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_PPC #define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_SH4_7750 #define OI_CPU_BYTE_ORDER \ OI_BIG_ENDIAN_BYTE_ORDER /**< SH7750 platform byte ordering is big-endian. \ */ #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_ARM7_LEND #define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_ARM7_BEND #define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_GDM1202 #define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_ARC_LEND #define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_ARC_BEND #define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_M30833F #define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_CR16C #define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_M64111 #define OI_CPU_BYTE_ORDER OI_BIG_ENDIAN_BYTE_ORDER #endif /******************************************************************************/ #if OI_CPU_TYPE == OI_CPU_ARMV5_LEND #define OI_CPU_BYTE_ORDER OI_LITTLE_ENDIAN_BYTE_ORDER #endif /******************************************************************************/ #ifndef OI_CPU_BYTE_ORDER #error "Byte order (endian-ness) not defined" #endif /**@}*/ #ifdef __cplusplus } #endif /******************************************************************************/ #endif /* _OI_CPU_DEP_H */