| 1 | |
| 2 | #include <stdio.h> |
| 3 | |
| 4 | #include "SDL.h" |
| 5 | #include "SDL_endian.h" |
| 6 | #include "SDL_cpuinfo.h" |
| 7 | |
| 8 | /* |
| 9 | * Watcom C flags these as Warning 201: "Unreachable code" if you just |
| 10 | * compare them directly, so we push it through a function to keep the |
| 11 | * compiler quiet. --ryan. |
| 12 | */ |
| 13 | static int badsize(size_t sizeoftype, size_t hardcodetype) |
| 14 | { |
| 15 | return sizeoftype != hardcodetype; |
| 16 | } |
| 17 | |
| 18 | int TestTypes(SDL_bool verbose) |
| 19 | { |
| 20 | int error = 0; |
| 21 | |
| 22 | if ( badsize(sizeof(Uint8), 1) ) { |
| 23 | if ( verbose ) |
| 24 | printf("sizeof(Uint8) != 1, instead = %ul\n", |
| 25 | sizeof(Uint8)); |
| 26 | ++error; |
| 27 | } |
| 28 | if ( badsize(sizeof(Uint16), 2) ) { |
| 29 | if ( verbose ) |
| 30 | printf("sizeof(Uint16) != 2, instead = %ul\n", |
| 31 | sizeof(Uint16)); |
| 32 | ++error; |
| 33 | } |
| 34 | if ( badsize(sizeof(Uint32), 4) ) { |
| 35 | if ( verbose ) |
| 36 | printf("sizeof(Uint32) != 4, instead = %ul\n", |
| 37 | sizeof(Uint32)); |
| 38 | ++error; |
| 39 | } |
| 40 | #ifdef SDL_HAS_64BIT_TYPE |
| 41 | if ( badsize(sizeof(Uint64), 8) ) { |
| 42 | if ( verbose ) |
| 43 | printf("sizeof(Uint64) != 8, instead = %ul\n", |
| 44 | sizeof(Uint64)); |
| 45 | ++error; |
| 46 | } |
| 47 | #else |
| 48 | if ( verbose ) { |
| 49 | printf("WARNING: No 64-bit datatype on this platform\n"); |
| 50 | } |
| 51 | #endif |
| 52 | if ( verbose && !error ) |
| 53 | printf("All data types are the expected size.\n"); |
| 54 | |
| 55 | return( error ? 1 : 0 ); |
| 56 | } |
| 57 | |
| 58 | int TestEndian(SDL_bool verbose) |
| 59 | { |
| 60 | int error = 0; |
| 61 | Uint16 value = 0x1234; |
| 62 | int real_byteorder; |
| 63 | Uint16 value16 = 0xCDAB; |
| 64 | Uint16 swapped16 = 0xABCD; |
| 65 | Uint32 value32 = 0xEFBEADDE; |
| 66 | Uint32 swapped32 = 0xDEADBEEF; |
| 67 | #ifdef SDL_HAS_64BIT_TYPE |
| 68 | Uint64 value64, swapped64; |
| 69 | value64 = 0xEFBEADDE; |
| 70 | value64 <<= 32; |
| 71 | value64 |= 0xCDAB3412; |
| 72 | swapped64 = 0x1234ABCD; |
| 73 | swapped64 <<= 32; |
| 74 | swapped64 |= 0xDEADBEEF; |
| 75 | #endif |
| 76 | |
| 77 | if ( verbose ) { |
| 78 | printf("Detected a %s endian machine.\n", |
| 79 | (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big"); |
| 80 | } |
| 81 | if ( (*((char *)&value) >> 4) == 0x1 ) { |
| 82 | real_byteorder = SDL_BIG_ENDIAN; |
| 83 | } else { |
| 84 | real_byteorder = SDL_LIL_ENDIAN; |
| 85 | } |
| 86 | if ( real_byteorder != SDL_BYTEORDER ) { |
| 87 | if ( verbose ) { |
| 88 | printf("Actually a %s endian machine!\n", |
| 89 | (real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big"); |
| 90 | } |
| 91 | ++error; |
| 92 | } |
| 93 | if ( verbose ) { |
| 94 | printf("Value 16 = 0x%X, swapped = 0x%X\n", value16, SDL_Swap16(value16)); |
| 95 | } |
| 96 | if ( SDL_Swap16(value16) != swapped16 ) { |
| 97 | if ( verbose ) { |
| 98 | printf("16 bit value swapped incorrectly!\n"); |
| 99 | } |
| 100 | ++error; |
| 101 | } |
| 102 | if ( verbose ) { |
| 103 | printf("Value 32 = 0x%X, swapped = 0x%X\n", value32, SDL_Swap32(value32)); |
| 104 | } |
| 105 | if ( SDL_Swap32(value32) != swapped32 ) { |
| 106 | if ( verbose ) { |
| 107 | printf("32 bit value swapped incorrectly!\n"); |
| 108 | } |
| 109 | ++error; |
| 110 | } |
| 111 | #ifdef SDL_HAS_64BIT_TYPE |
| 112 | if ( verbose ) { |
| 113 | #ifdef _MSC_VER |
| 114 | printf("Value 64 = 0x%I64X, swapped = 0x%I64X\n", value64, SDL_Swap64(value64)); |
| 115 | #else |
| 116 | printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64, SDL_Swap64(value64)); |
| 117 | #endif |
| 118 | } |
| 119 | if ( SDL_Swap64(value64) != swapped64 ) { |
| 120 | if ( verbose ) { |
| 121 | printf("64 bit value swapped incorrectly!\n"); |
| 122 | } |
| 123 | ++error; |
| 124 | } |
| 125 | #endif |
| 126 | return( error ? 1 : 0 ); |
| 127 | } |
| 128 | |
| 129 | |
| 130 | int TestCPUInfo(SDL_bool verbose) |
| 131 | { |
| 132 | if ( verbose ) { |
| 133 | printf("RDTSC %s\n", SDL_HasRDTSC() ? "detected" : "not detected"); |
| 134 | printf("MMX %s\n", SDL_HasMMX() ? "detected" : "not detected"); |
| 135 | printf("MMX Ext %s\n", SDL_HasMMXExt() ? "detected" : "not detected"); |
| 136 | printf("3DNow %s\n", SDL_Has3DNow() ? "detected" : "not detected"); |
| 137 | printf("3DNow Ext %s\n", SDL_Has3DNowExt() ? "detected" : "not detected"); |
| 138 | printf("SSE %s\n", SDL_HasSSE() ? "detected" : "not detected"); |
| 139 | printf("SSE2 %s\n", SDL_HasSSE2() ? "detected" : "not detected"); |
| 140 | printf("AltiVec %s\n", SDL_HasAltiVec() ? "detected" : "not detected"); |
| 141 | } |
| 142 | return(0); |
| 143 | } |
| 144 | |
| 145 | int main(int argc, char *argv[]) |
| 146 | { |
| 147 | SDL_bool verbose = SDL_TRUE; |
| 148 | int status = 0; |
| 149 | |
| 150 | if ( argv[1] && (SDL_strcmp(argv[1], "-q") == 0) ) { |
| 151 | verbose = SDL_FALSE; |
| 152 | } |
| 153 | if ( verbose ) { |
| 154 | printf("This system is running %s\n", |
| 155 | #if __AIX__ |
| 156 | "AIX" |
| 157 | #elif __HAIKU__ |
| 158 | /* Haiku must appear here before BeOS, since it also defines __BEOS__ */ |
| 159 | "Haiku" |
| 160 | #elif __BEOS__ |
| 161 | "BeOS" |
| 162 | #elif __BSDI__ |
| 163 | "BSDI" |
| 164 | #elif __DREAMCAST__ |
| 165 | "Dreamcast" |
| 166 | #elif __FREEBSD__ |
| 167 | "FreeBSD" |
| 168 | #elif __HPUX__ |
| 169 | "HP-UX" |
| 170 | #elif __IRIX__ |
| 171 | "Irix" |
| 172 | #elif __LINUX__ |
| 173 | "Linux" |
| 174 | #elif __MINT__ |
| 175 | "Atari MiNT" |
| 176 | #elif __MACOS__ |
| 177 | "MacOS Classic" |
| 178 | #elif __MACOSX__ |
| 179 | "Mac OS X" |
| 180 | #elif __NETBSD__ |
| 181 | "NetBSD" |
| 182 | #elif __OPENBSD__ |
| 183 | "OpenBSD" |
| 184 | #elif __OS2__ |
| 185 | "OS/2" |
| 186 | #elif __OSF__ |
| 187 | "OSF/1" |
| 188 | #elif __QNXNTO__ |
| 189 | "QNX Neutrino" |
| 190 | #elif __RISCOS__ |
| 191 | "RISC OS" |
| 192 | #elif __SOLARIS__ |
| 193 | "Solaris" |
| 194 | #elif __WIN32__ |
| 195 | #ifdef _WIN32_WCE |
| 196 | "Windows CE" |
| 197 | #else |
| 198 | "Windows" |
| 199 | #endif |
| 200 | #else |
| 201 | "an unknown operating system! (see SDL_platform.h)" |
| 202 | #endif |
| 203 | ); |
| 204 | } |
| 205 | |
| 206 | status += TestTypes(verbose); |
| 207 | status += TestEndian(verbose); |
| 208 | status += TestCPUInfo(verbose); |
| 209 | return status; |
| 210 | } |