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1 // Copyright (c) 1995-2009 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 // e32\include\u32exec.h |
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15 // |
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16 // WARNING: This file contains some APIs which are internal and are subject |
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17 // to change without notice. Such APIs should therefore not be used |
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18 // outside the Kernel and Hardware Services package. |
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19 // |
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20 |
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21 /** |
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22 @file |
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23 @internalComponent |
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24 */ |
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25 |
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26 #ifndef __U32EXEC_H__ |
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27 #define __U32EXEC_H__ |
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28 #include <u32std.h> |
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29 #include <cpudefs.h> |
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30 |
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31 #ifdef __KERNEL_MODE__ |
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32 #define EXEC_INT64 Int64 |
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33 #define EXEC_TIME TTimeK |
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34 #else |
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35 #define EXEC_INT64 TInt64 |
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36 #define EXEC_TIME TInt64 |
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37 #endif |
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38 |
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39 #define __EXECDECL__ __NAKED__ |
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40 |
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41 #if defined(__WINS__) |
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42 |
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43 // Executive call macros for WINS |
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44 |
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45 #define EXECUTIVE_FAST 0x00800000 |
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46 #define EXECUTIVE_SLOW 0x00000000 |
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47 |
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48 #define __DISPATCH(func) \ |
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49 __asm lea edx, [esp + 0x4] \ |
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50 __asm mov ecx, (func) \ |
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51 __asm jmp [TheDispatcher] |
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52 |
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53 #define FAST_EXEC0(n) __DISPATCH((n)|EXECUTIVE_FAST) |
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54 #define FAST_EXEC1(n) __DISPATCH((n)|EXECUTIVE_FAST) |
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55 #define SLOW_EXEC0(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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56 #define SLOW_EXEC1(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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57 #define SLOW_EXEC2(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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58 #define SLOW_EXEC3(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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59 #define SLOW_EXEC4(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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60 |
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61 #define KFAST_EXEC0(n) __DISPATCH((n)|EXECUTIVE_FAST) |
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62 #define KFAST_EXEC1(n) __DISPATCH((n)|EXECUTIVE_FAST) |
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63 #define KSLOW_EXEC0(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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64 #define KSLOW_EXEC1(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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65 #define KSLOW_EXEC2(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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66 #define KSLOW_EXEC3(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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67 #define KSLOW_EXEC4(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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68 |
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69 #elif defined(__CPU_X86) |
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70 |
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71 // Executive call macros for X86 |
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72 #ifdef __GCC32__ |
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73 #define FAST_EXEC0(n) asm("mov eax, %0": :"i"(n)); \ |
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74 asm("int 0x20 \n ret") |
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75 #define FAST_EXEC1(n) asm("mov eax, %0": :"i"(n)); \ |
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76 asm("mov ecx, [esp+4] \n int 0x20 \n ret") |
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77 #define SLOW_EXEC0(n) asm("mov eax, %0": :"i"(n)); \ |
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78 asm("int 0x21 \n ret") |
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79 #define SLOW_EXEC1(n) asm("mov eax, %0": :"i"(n)); \ |
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80 asm("mov ecx, [esp+4] \n int 0x21 \n ret") |
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81 #define SLOW_EXEC2(n) asm("mov eax, %0": :"i"(n)); \ |
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82 asm("mov ecx, [esp+4] \n mov edx, [esp+8] \n int 0x21 \n ret") |
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83 #define SLOW_EXEC3(n) asm("mov eax, %0": :"i"(n)); \ |
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84 asm("push ebx \n" \ |
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85 "mov ecx, [esp+8] \n" \ |
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86 "mov edx, [esp+12]\n" \ |
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87 "mov ebx, [esp+16]\n" \ |
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88 "int 0x21 \n" \ |
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89 "pop ebx \n" \ |
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90 "ret") |
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91 |
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92 #define SLOW_EXEC4(n) asm("mov eax, %0": :"i"(n)); \ |
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93 asm("push ebx \n" \ |
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94 "push esi \n" \ |
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95 "mov ecx, [esp+12]\n" \ |
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96 "mov edx, [esp+16]\n" \ |
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97 "mov ebx, [esp+20]\n" \ |
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98 "mov esi, [esp+24]\n" \ |
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99 "int 0x21 \n" \ |
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100 "pop esi \n" \ |
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101 "pop ebx \n" \ |
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102 "ret") |
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103 #else |
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104 #define FAST_EXEC0(n) _asm mov eax, n _asm int 20h _asm ret |
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105 #define FAST_EXEC1(n) _asm mov eax, n _asm mov ecx, [esp+4] _asm int 20h _asm ret |
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106 |
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107 #define SLOW_EXEC0(n) _asm mov eax, n _asm int 21h _asm ret |
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108 #define SLOW_EXEC1(n) _asm mov eax, n _asm mov ecx, [esp+4] _asm int 21h _asm ret |
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109 #define SLOW_EXEC2(n) _asm mov eax, n _asm mov ecx, [esp+4] _asm mov edx, [esp+8] _asm int 21h _asm ret |
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110 |
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111 #define SLOW_EXEC3(n) _asm mov eax, n \ |
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112 _asm push ebx \ |
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113 _asm mov ecx, [esp+8] \ |
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114 _asm mov edx, [esp+12] \ |
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115 _asm mov ebx, [esp+16] \ |
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116 _asm int 21h \ |
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117 _asm pop ebx \ |
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118 _asm ret |
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119 |
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120 #define SLOW_EXEC4(n) _asm mov eax, n \ |
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121 _asm push ebx \ |
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122 _asm push esi \ |
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123 _asm mov ecx, [esp+12] \ |
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124 _asm mov edx, [esp+16] \ |
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125 _asm mov ebx, [esp+20] \ |
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126 _asm mov esi, [esp+24] \ |
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127 _asm int 21h \ |
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128 _asm pop esi \ |
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129 _asm pop ebx \ |
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130 _asm ret |
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131 #endif |
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132 |
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133 #define KFAST_EXEC0(n) FAST_EXEC0(n) |
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134 #define KFAST_EXEC1(n) FAST_EXEC1(n) |
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135 #define KSLOW_EXEC0(n) SLOW_EXEC0(n) |
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136 #define KSLOW_EXEC1(n) SLOW_EXEC1(n) |
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137 #define KSLOW_EXEC2(n) SLOW_EXEC2(n) |
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138 #define KSLOW_EXEC3(n) SLOW_EXEC3(n) |
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139 #define KSLOW_EXEC4(n) SLOW_EXEC4(n) |
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140 |
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141 #elif defined(__CPU_ARM) |
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142 |
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143 // Executive call macros for ARM |
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144 |
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145 #define EXECUTIVE_FAST 0x00800000 |
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146 #define EXECUTIVE_SLOW 0x00000000 |
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147 |
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148 #define __DISPATCH(n) \ |
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149 asm("swi %a0" : : "i" (n)); \ |
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150 __JUMP(,lr); |
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151 |
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152 #define FAST_EXEC0(n) __DISPATCH((n)|EXECUTIVE_FAST) |
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153 #define FAST_EXEC1(n) __DISPATCH((n)|EXECUTIVE_FAST) |
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154 #define SLOW_EXEC0(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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155 #define SLOW_EXEC1(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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156 #define SLOW_EXEC2(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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157 #define SLOW_EXEC3(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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158 #define SLOW_EXEC4(n) __DISPATCH((n)|EXECUTIVE_SLOW) |
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159 |
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160 #define __KDISPATCH(n) \ |
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161 asm("stmfd sp!, {ip,lr} "); \ |
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162 asm("swi %a0" : : "i" (n)); \ |
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163 __POPRET("ip,"); |
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164 |
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165 #define KFAST_EXEC0(n) __KDISPATCH((n)|EXECUTIVE_FAST) |
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166 #define KFAST_EXEC1(n) __KDISPATCH((n)|EXECUTIVE_FAST) |
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167 #define KSLOW_EXEC0(n) __KDISPATCH((n)|EXECUTIVE_SLOW) |
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168 #define KSLOW_EXEC1(n) __KDISPATCH((n)|EXECUTIVE_SLOW) |
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169 #define KSLOW_EXEC2(n) __KDISPATCH((n)|EXECUTIVE_SLOW) |
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170 #define KSLOW_EXEC3(n) __KDISPATCH((n)|EXECUTIVE_SLOW) |
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171 #define KSLOW_EXEC4(n) __KDISPATCH((n)|EXECUTIVE_SLOW) |
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172 |
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173 #define __DISPATCH_NR(n) \ |
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174 asm("swi %a0" : : "i" (n)); |
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175 |
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176 #define FAST_EXEC0_NR(n) __DISPATCH_NR((n)|EXECUTIVE_FAST) |
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177 #define FAST_EXEC1_NR(n) __DISPATCH_NR((n)|EXECUTIVE_FAST) |
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178 #define SLOW_EXEC0_NR(n) __DISPATCH_NR((n)|EXECUTIVE_SLOW) |
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179 #define SLOW_EXEC1_NR(n) __DISPATCH_NR((n)|EXECUTIVE_SLOW) |
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180 #define SLOW_EXEC2_NR(n) __DISPATCH_NR((n)|EXECUTIVE_SLOW) |
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181 #define SLOW_EXEC3_NR(n) __DISPATCH_NR((n)|EXECUTIVE_SLOW) |
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182 #define SLOW_EXEC4_NR(n) __DISPATCH_NR((n)|EXECUTIVE_SLOW) |
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183 |
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184 #define __KDISPATCH_NR(n) \ |
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185 asm("swi %a0" : : "i" (n)); |
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186 |
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187 #define KFAST_EXEC0_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_FAST) |
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188 #define KFAST_EXEC1_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_FAST) |
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189 #define KSLOW_EXEC0_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_SLOW) |
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190 #define KSLOW_EXEC1_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_SLOW) |
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191 #define KSLOW_EXEC2_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_SLOW) |
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192 #define KSLOW_EXEC3_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_SLOW) |
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193 #define KSLOW_EXEC4_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_SLOW) |
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194 |
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195 #else |
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196 #error Unknown CPU |
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197 #endif |
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198 |
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199 #ifdef __LEAVE_EQUALS_THROW__ |
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200 // Hide TTrap to catch unwary uses of the old cleanup |
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201 // mechanism at compile time |
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202 class TTrap; |
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203 #endif //__LEAVE_EQUALS_THROW__ |
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204 |
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205 #include <exec_enum.h> |
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206 #include <e32btrace.h> |
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207 #include <exec_user.h> |
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208 |
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209 #endif |