1 /* 2 * Copyright 2009-2010, Haiku, Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _CONFIG_HAIKU_CONFIG_H 6 #define _CONFIG_HAIKU_CONFIG_H 7 8 9 /* Determine the architecture and define macros for some fundamental 10 properties: 11 __HAIKU_ARCH - short name of the architecture (used in paths) 12 __HAIKU_ARCH_ABI - name of ABI (as in package architecture) 13 __HAIKU_ARCH_<arch> - defined to 1 for the respective architecture 14 __HAIKU_ARCH_BITS - defined to 32/64 on 32/64 bit architectures 15 (defaults to 32) 16 __HAIKU_ARCH_PHYSICAL_BITS - defined to 32/64 on architectures with 32/64 17 (defaults to __HAIKU_ARCH_BITS) 18 __HAIKU_BIG_ENDIAN - defined to 1 on big endian architectures 19 (defaults to undefined) 20 */ 21 #if defined(__INTEL__) 22 # define __HAIKU_ARCH x86 23 # if __GNUC__ == 2 24 # define __HAIKU_ARCH_ABI "x86_gcc2" 25 # else 26 # define __HAIKU_ARCH_ABI "x86" 27 # endif 28 # define __HAIKU_ARCH_X86 1 29 # define __HAIKU_ARCH_PHYSICAL_BITS 64 30 #elif defined(__x86_64__) 31 # define __HAIKU_ARCH x86_64 32 # define __HAIKU_ARCH_ABI "x86_64" 33 # define __HAIKU_ARCH_X86_64 1 34 # define __HAIKU_ARCH_BITS 64 35 #elif defined(__POWERPC__) 36 # define __HAIKU_ARCH ppc 37 # define __HAIKU_ARCH_ABI "ppc" 38 # define __HAIKU_ARCH_PPC 1 39 # define __HAIKU_ARCH_PHYSICAL_BITS 64 40 # define __HAIKU_BIG_ENDIAN 1 41 #elif defined(__M68K__) 42 # define __HAIKU_ARCH m68k 43 # define __HAIKU_ARCH_ABI "m68k" 44 # define __HAIKU_ARCH_M68K 1 45 # define __HAIKU_BIG_ENDIAN 1 46 #elif defined(__MIPSEL__) 47 # define __HAIKU_ARCH mipsel 48 # define __HAIKU_ARCH_ABI "mipsel" 49 # define __HAIKU_ARCH_MIPSEL 1 50 #elif defined(__ARMEL__) || defined(__arm__) 51 # define __HAIKU_ARCH arm 52 # define __HAIKU_ARCH_ABI "arm" 53 # define __HAIKU_ARCH_ARM 1 54 #elif defined(__ARMEB__) 55 # define __HAIKU_ARCH armeb 56 # define __HAIKU_ARCH_ABI "armeb" 57 # define __HAIKU_ARCH_ARM 1 58 # define __HAIKU_BIG_ENDIAN 1 59 #elif defined(__arm64__) 60 # define __HAIKU_ARCH arm64 61 # define __HAIKU_ARCH_ABI "arm64" 62 # define __HAIKU_ARCH_ARM64 1 63 # define __HAIKU_ARCH_BITS 64 64 #else 65 # error Unsupported architecture! 66 #endif 67 68 /* implied properties: 69 __HAIKU_ARCH_{32,64}_BIT - defined to 1 on 32/64 bit architectures, i.e. 70 using 32/64 bit virtual addresses 71 __HAIKU_ARCH_PHYSICAL_BITS - defined to 32/64 on architectures with 32/64 72 bit physical addresses 73 __HAIKU_ARCH_PHYSICAL_{32,64}_BIT - defined to 1 on architectures using 64 74 bit physical addresses 75 __HAIKU_BIG_ENDIAN - defined to 1 on big endian architectures 76 */ 77 78 /* bitness */ 79 #ifndef __HAIKU_ARCH_BITS 80 # define __HAIKU_ARCH_BITS 32 81 #endif 82 83 #if __HAIKU_ARCH_BITS == 32 84 # define __HAIKU_ARCH_32_BIT 1 85 #elif __HAIKU_ARCH_BITS == 64 86 # define __HAIKU_ARCH_64_BIT 1 87 #else 88 # error Unsupported bitness! 89 #endif 90 91 /* physical bitness */ 92 #ifndef __HAIKU_ARCH_PHYSICAL_BITS 93 # define __HAIKU_ARCH_PHYSICAL_BITS __HAIKU_ARCH_BITS 94 #endif 95 96 #if __HAIKU_ARCH_PHYSICAL_BITS == 32 97 # define __HAIKU_ARCH_PHYSICAL_32_BIT 1 98 #elif __HAIKU_ARCH_PHYSICAL_BITS == 64 99 # define __HAIKU_ARCH_PHYSICAL_64_BIT 1 100 #else 101 # error Unsupported physical bitness! 102 #endif 103 104 /* endianess */ 105 #ifndef __HAIKU_BIG_ENDIAN 106 # define __HAIKU_LITTLE_ENDIAN 1 107 #endif 108 109 /* architecture specific include macros */ 110 #define __HAIKU_ARCH_HEADER(header) <arch/__HAIKU_ARCH/header> 111 #define __HAIKU_SUBDIR_ARCH_HEADER(subdir, header) \ 112 <subdir/arch/__HAIKU_ARCH/header> 113 114 /* BeOS R5 binary compatibility (gcc 2 on x86) */ 115 #if defined(__HAIKU_ARCH_X86) && __GNUC__ == 2 116 # define __HAIKU_BEOS_COMPATIBLE 1 117 #endif 118 119 /* BeOS R5 compatible types */ 120 #ifndef __HAIKU_ARCH_64_BIT 121 /*#ifdef __HAIKU_ARCH_X86*/ 122 /* TODO: This should be "#ifdef __HAIKU_BEOS_COMPATIBLE", but this will 123 break all gcc 4 C++ optional packages. I.e. switch that at a suitable 124 time. 125 */ 126 # define __HAIKU_BEOS_COMPATIBLE_TYPES 1 127 #endif 128 129 130 #endif /* _CONFIG_HAIKU_CONFIG_H */ 131