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1 // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32test\misc\cpumeter.cia |
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15 // |
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16 // |
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17 |
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18 #include <e32test.h> |
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19 #include <e32hal.h> |
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20 #include <u32std.h> |
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21 |
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22 extern TUint32 NopCount; |
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23 extern TUint MaxCycles; |
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24 |
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25 #if defined(__CPU_ARM) |
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26 __NAKED__ TInt CountNops(TAny*) |
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27 { |
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28 __SWITCH_TO_ARM; |
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29 asm("ldr r0, __NopCount "); |
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30 asm("mov r1, #0 "); |
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31 |
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32 asm("loop: "); |
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33 asm("mov r0, r0 "); |
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34 asm("mov r0, r0 "); |
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35 asm("mov r0, r0 "); |
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36 asm("mov r0, r0 "); |
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37 asm("mov r0, r0 "); |
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38 asm("mov r0, r0 "); |
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39 asm("mov r0, r0 "); |
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40 asm("mov r0, r0 "); |
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41 asm("mov r0, r0 "); |
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42 asm("mov r0, r0 "); |
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43 asm("mov r0, r0 "); |
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44 asm("mov r0, r0 "); |
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45 asm("mov r0, r0 "); |
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46 asm("mov r0, r0 "); |
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47 asm("mov r0, r0 "); |
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48 asm("mov r0, r0 "); |
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49 asm("mov r0, r0 "); |
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50 asm("mov r0, r0 "); |
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51 asm("mov r0, r0 "); |
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52 asm("mov r0, r0 "); |
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53 asm("mov r0, r0 "); |
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54 asm("mov r0, r0 "); |
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55 asm("mov r0, r0 "); |
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56 asm("mov r0, r0 "); |
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57 asm("mov r0, r0 "); |
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58 asm("mov r0, r0 "); |
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59 asm("mov r0, r0 "); |
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60 asm("mov r0, r0 "); |
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61 asm("mov r0, r0 "); |
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62 asm("mov r0, r0 "); |
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63 asm("mov r0, r0 "); |
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64 asm("mov r0, r0 "); |
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65 asm("mov r0, r0 "); |
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66 asm("mov r0, r0 "); |
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67 asm("mov r0, r0 "); |
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68 asm("mov r0, r0 "); |
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69 asm("mov r0, r0 "); |
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70 asm("mov r0, r0 "); |
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71 asm("mov r0, r0 "); |
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72 asm("mov r0, r0 "); |
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73 asm("mov r0, r0 "); |
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74 asm("mov r0, r0 "); |
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75 asm("mov r0, r0 "); |
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76 asm("mov r0, r0 "); |
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77 asm("mov r0, r0 "); |
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78 asm("mov r0, r0 "); |
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79 asm("mov r0, r0 "); |
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80 asm("mov r0, r0 "); |
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81 asm("mov r0, r0 "); |
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82 asm("mov r0, r0 "); |
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83 asm("mov r0, r0 "); |
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84 asm("mov r0, r0 "); |
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85 asm("mov r0, r0 "); |
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86 asm("mov r0, r0 "); |
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87 asm("mov r0, r0 "); |
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88 asm("mov r0, r0 "); |
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89 asm("mov r0, r0 "); |
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90 asm("mov r0, r0 "); |
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91 asm("mov r0, r0 "); |
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92 asm("mov r0, r0 "); |
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93 asm("mov r0, r0 "); |
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94 asm("mov r0, r0 "); |
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95 asm("mov r0, r0 "); |
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96 asm("mov r0, r0 "); |
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97 asm("add r1, r1, #71 "); |
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98 asm("str r1, [r0] "); |
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99 asm("b loop "); |
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100 |
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101 asm("mov r0, #0 "); |
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102 __JUMP(,lr); |
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103 |
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104 asm("__NopCount: "); |
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105 asm(".word NopCount "); |
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106 __END_ARM; |
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107 } |
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108 #elif defined(__CPU_X86) |
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109 __NAKED__ TInt CountNops(TAny*) |
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110 { |
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111 #ifdef __WINS__ |
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112 __asm lea edx, NopCount |
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113 __asm mov eax, 0 |
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114 noploop: |
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115 __asm inc eax |
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116 __asm inc eax |
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117 __asm inc eax |
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118 __asm inc eax |
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119 __asm inc eax |
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120 __asm inc eax |
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121 __asm inc eax |
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122 __asm inc eax |
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123 __asm inc eax |
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124 __asm inc eax |
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125 __asm inc eax |
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126 __asm inc eax |
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127 __asm inc eax |
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128 __asm inc eax |
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129 __asm inc eax |
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130 __asm inc eax |
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131 __asm inc eax |
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132 __asm inc eax |
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133 __asm inc eax |
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134 __asm inc eax |
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135 __asm inc eax |
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136 __asm inc eax |
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137 __asm inc eax |
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138 __asm inc eax |
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139 __asm inc eax |
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140 __asm inc eax |
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141 __asm inc eax |
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142 __asm inc eax |
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143 __asm inc eax |
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144 __asm inc eax |
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145 __asm inc eax |
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146 __asm inc eax |
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147 __asm inc eax |
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148 __asm inc eax |
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149 __asm inc eax |
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150 __asm inc eax |
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151 __asm inc eax |
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152 __asm inc eax |
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153 __asm inc eax |
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154 __asm inc eax |
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155 __asm inc eax |
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156 __asm inc eax |
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157 __asm inc eax |
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158 __asm inc eax |
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159 __asm inc eax |
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160 __asm inc eax |
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161 __asm inc eax |
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162 __asm inc eax |
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163 __asm inc eax |
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164 __asm inc eax |
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165 __asm inc eax |
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166 __asm inc eax |
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167 __asm inc eax |
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168 __asm inc eax |
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169 __asm inc eax |
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170 __asm inc eax |
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171 __asm inc eax |
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172 __asm inc eax |
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173 __asm inc eax |
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174 __asm inc eax |
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175 __asm inc eax |
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176 __asm inc eax |
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177 __asm inc eax |
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178 __asm inc eax |
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179 __asm add eax, 3 |
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180 __asm mov [edx], eax |
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181 __asm jmp noploop |
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182 #else |
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183 asm("mov edx, %a0": : "i"(&NopCount)); |
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184 asm("mov eax, 0"); |
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185 asm("noploop:"); |
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186 asm("inc eax"); |
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187 asm("inc eax"); |
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188 asm("inc eax"); |
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189 asm("inc eax"); |
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190 asm("inc eax"); |
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191 asm("inc eax"); |
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192 asm("inc eax"); |
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193 asm("inc eax"); |
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194 asm("inc eax"); |
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195 asm("inc eax"); |
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196 asm("inc eax"); |
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197 asm("inc eax"); |
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198 asm("inc eax"); |
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199 asm("inc eax"); |
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200 asm("inc eax"); |
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201 asm("inc eax"); |
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202 asm("inc eax"); |
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203 asm("inc eax"); |
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204 asm("inc eax"); |
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205 asm("inc eax"); |
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206 asm("inc eax"); |
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207 asm("inc eax"); |
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208 asm("inc eax"); |
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209 asm("inc eax"); |
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210 asm("inc eax"); |
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211 asm("inc eax"); |
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212 asm("inc eax"); |
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213 asm("inc eax"); |
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214 asm("inc eax"); |
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215 asm("inc eax"); |
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216 asm("inc eax"); |
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217 asm("inc eax"); |
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218 asm("inc eax"); |
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219 asm("inc eax"); |
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220 asm("inc eax"); |
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221 asm("inc eax"); |
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222 asm("inc eax"); |
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223 asm("inc eax"); |
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224 asm("inc eax"); |
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225 asm("inc eax"); |
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226 asm("inc eax"); |
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227 asm("inc eax"); |
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228 asm("inc eax"); |
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229 asm("inc eax"); |
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230 asm("inc eax"); |
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231 asm("inc eax"); |
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232 asm("inc eax"); |
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233 asm("inc eax"); |
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234 asm("inc eax"); |
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235 asm("inc eax"); |
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236 asm("inc eax"); |
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237 asm("inc eax"); |
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238 asm("inc eax"); |
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239 asm("inc eax"); |
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240 asm("inc eax"); |
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241 asm("inc eax"); |
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242 asm("inc eax"); |
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243 asm("inc eax"); |
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244 asm("inc eax"); |
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245 asm("inc eax"); |
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246 asm("inc eax"); |
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247 asm("inc eax"); |
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248 asm("inc eax"); |
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249 asm("inc eax"); |
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250 asm("add eax, 3"); |
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251 asm("mov [edx], eax"); |
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252 asm("jmp noploop"); |
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253 #endif |
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254 } |
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255 #endif |
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256 |