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