1 | /* |
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2 | * Copyright (c) 2014 ARM Ltd |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * 1. Redistributions of source code must retain the above copyright |
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9 | * notice, this list of conditions and the following disclaimer. |
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10 | * 2. Redistributions in binary form must reproduce the above copyright |
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11 | * notice, this list of conditions and the following disclaimer in the |
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12 | * documentation and/or other materials provided with the distribution. |
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13 | * 3. The name of the company may not be used to endorse or promote |
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14 | * products derived from this software without specific prior written |
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15 | * permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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21 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
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22 | * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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23 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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24 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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25 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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26 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #ifndef __ARM_ARCH |
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30 | |
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31 | /* ACLE standardises a set of pre-defines that describe the ARM architecture. |
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32 | These were mostly implemented in GCC around GCC-4.8; older versions |
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33 | have no, or only partial support. To provide a level of backwards |
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34 | compatibility we try to work out what the definitions should be, given |
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35 | the older pre-defines that GCC did produce. This isn't complete, but |
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36 | it should be enough for use by routines that depend on this header. */ |
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37 | |
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38 | /* No need to handle ARMv8, GCC had ACLE support before that. */ |
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39 | |
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40 | # ifdef __ARM_ARCH_7__ |
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41 | /* The common subset of ARMv7 in all profiles. */ |
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42 | # define __ARM_ARCH 7 |
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43 | # define __ARM_ARCH_ISA_THUMB 2 |
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44 | # define __ARM_FEATURE_CLZ |
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45 | # define __ARM_FEATURE_LDREX 7 |
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46 | # define __ARM_FEATURE_UNALIGNED |
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47 | # endif |
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48 | |
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49 | # if defined (__ARM_ARCH_7A__) || defined (__ARM_ARCH_7R__) |
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50 | # define __ARM_ARCH 7 |
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51 | # define __ARM_ARCH_ISA_THUMB 2 |
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52 | # define __ARM_ARCH_ISA_ARM |
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53 | # define __ARM_FEATURE_CLZ |
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54 | # define __ARM_FEATURE_SIMD32 |
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55 | # define __ARM_FEATURE_DSP |
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56 | # define __ARM_FEATURE_QBIT |
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57 | # define __ARM_FEATURE_SAT |
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58 | # define __ARM_FEATURE_LDREX 15 |
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59 | # define __ARM_FEATURE_UNALIGNED |
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60 | # ifdef __ARM_ARCH_7A__ |
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61 | # define __ARM_ARCH_PROFILE 'A' |
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62 | # else |
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63 | # define __ARM_ARCH_PROFILE 'R' |
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64 | # endif |
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65 | # endif |
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66 | |
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67 | # ifdef __ARM_ARCH_7EM__ |
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68 | # define __ARM_ARCH 7 |
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69 | # define __ARM_ARCH_ISA_THUMB 2 |
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70 | # define __ARM_FEATURE_CLZ |
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71 | # define __ARM_FEATURE_SIMD32 |
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72 | # define __ARM_FEATURE_DSP |
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73 | # define __ARM_FEATURE_QBIT |
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74 | # define __ARM_FEATURE_SAT |
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75 | # define __ARM_FEATURE_LDREX 7 |
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76 | # define __ARM_FEATURE_UNALIGNED |
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77 | # define __ARM_ARCH_PROFILE 'M' |
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78 | # endif |
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79 | |
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80 | # ifdef __ARM_ARCH_7M__ |
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81 | # define __ARM_ARCH 7 |
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82 | # define __ARM_ARCH_ISA_THUMB 2 |
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83 | # define __ARM_FEATURE_CLZ |
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84 | # define __ARM_FEATURE_QBIT |
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85 | # define __ARM_FEATURE_SAT |
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86 | # define __ARM_FEATURE_LDREX 7 |
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87 | # define __ARM_FEATURE_UNALIGNED |
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88 | # define __ARM_ARCH_PROFILE 'M' |
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89 | # endif |
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90 | |
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91 | # ifdef __ARM_ARCH_6T2__ |
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92 | # define __ARM_ARCH 6 |
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93 | # define __ARM_ARCH_ISA_THUMB 2 |
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94 | # define __ARM_ARCH_ISA_ARM |
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95 | # define __ARM_FEATURE_CLZ |
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96 | # define __ARM_FEATURE_SIMD32 |
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97 | # define __ARM_FEATURE_DSP |
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98 | # define __ARM_FEATURE_QBIT |
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99 | # define __ARM_FEATURE_SAT |
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100 | # define __ARM_FEATURE_LDREX 4 |
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101 | # define __ARM_FEATURE_UNALIGNED |
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102 | # endif |
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103 | |
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104 | # ifdef __ARM_ARCH_6M__ |
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105 | # define __ARM_ARCH 6 |
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106 | # define __ARM_ARCH_ISA_THUMB 1 |
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107 | # define __ARM_ARCH_PROFILE 'M' |
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108 | # endif |
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109 | |
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110 | # if defined (__ARM_ARCH_6__) || defined (__ARM_ARCH_6J__) \ |
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111 | || defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6Z__) \ |
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112 | || defined (__ARM_ARCH_6ZK__) |
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113 | # define __ARM_ARCH 6 |
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114 | # define __ARM_ARCH_ISA_THUMB 1 |
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115 | # define __ARM_ARCH_ISA_ARM |
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116 | # define __ARM_FEATURE_CLZ |
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117 | # define __ARM_FEATURE_SIMD32 |
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118 | # define __ARM_FEATURE_DSP |
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119 | # define __ARM_FEATURE_QBIT |
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120 | # define __ARM_FEATURE_SAT |
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121 | # define __ARM_FEATURE_UNALIGNED |
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122 | # ifndef __thumb__ |
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123 | # if defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6ZK__) |
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124 | # define __ARM_FEATURE_LDREX 15 |
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125 | # else |
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126 | # define __ARM_FEATURE_LDREX 4 |
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127 | # endif |
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128 | # endif |
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129 | # endif |
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130 | |
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131 | # if defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5E__) |
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132 | # define __ARM_ARCH 5 |
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133 | # define __ARM_ARCH_ISA_ARM |
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134 | # ifdef __ARM_ARCH_5TE__ |
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135 | # define __ARM_ARCH_ISA_THUMB 1 |
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136 | # endif |
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137 | # define __ARM_FEATURE_CLZ |
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138 | # define __ARM_FEATURE_DSP |
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139 | # endif |
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140 | |
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141 | # if defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5__) |
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142 | # define __ARM_ARCH 5 |
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143 | # define __ARM_ARCH_ISA_ARM |
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144 | # ifdef __ARM_ARCH_5TE__ |
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145 | # define __ARM_ARCH_ISA_THUMB 1 |
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146 | # endif |
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147 | # define __ARM_FEATURE_CLZ |
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148 | # endif |
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149 | |
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150 | # ifdef __ARM_ARCH_4T__ |
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151 | # define __ARM_ARCH 4 |
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152 | # define __ARM_ARCH_ISA_ARM |
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153 | # define __ARM_ARCH_ISA_THUMB 1 |
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154 | # endif |
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155 | |
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156 | # ifdef __ARM_ARCH_4__ |
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157 | # define __ARM_ARCH 4 |
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158 | # define __ARM_ARCH_ISA_ARM |
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159 | # endif |
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160 | |
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161 | # if defined (__ARM_ARCH_3__) || defined (__ARM_ARCH_3M__) |
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162 | # define __ARM_ARCH 3 |
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163 | # define __ARM_ARCH_ISA_ARM |
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164 | # endif |
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165 | |
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166 | # ifdef __ARM_ARCH_2__ |
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167 | # define __ARM_ARCH 2 |
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168 | # define __ARM_ARCH_ISA_ARM |
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169 | # endif |
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170 | |
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171 | # ifdef __ARMEB__ |
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172 | # define __ARM_BIG_ENDIAN |
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173 | # endif |
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174 | |
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175 | /* If we still don't know what the target architecture is, then we're |
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176 | probably not using GCC. */ |
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177 | # ifndef __ARM_ARCH |
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178 | # error Unable to determine architecture version. |
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179 | # endif |
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180 | |
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181 | #endif /* __ARM_ARCH */ |
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182 | |
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