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Rev | Author | Line No. | Line |
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425 | victor | 1 | $Revision: 425 $ |
164 | serge | 2 | |
227 | serge | 3 | DRV_ENTRY equ 1 |
4 | DRV_EXIT equ -1 |
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378 | serge | 5 | DRV_COMPAT equ 4 ;minimal required drivers version |
6 | DRV_CURRENT equ 4 ;current drivers model version |
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214 | serge | 7 | |
227 | serge | 8 | DRV_VERSION equ (DRV_COMPAT shl 16) or DRV_CURRENT |
9 | |||
164 | serge | 10 | align 4 |
11 | proc attach_int_handler stdcall, irq:dword, handler:dword |
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12 | |||
13 | mov ebx, [irq] ;irq num |
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14 | test ebx, ebx |
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15 | jz .err |
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16 | mov eax, [handler] |
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17 | test eax, eax |
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18 | jz .err |
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19 | mov [irq_tab+ebx*4], eax |
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20 | stdcall enable_irq, [irq] |
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21 | ret |
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22 | .err: |
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23 | xor eax, eax |
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24 | ret |
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25 | endp |
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26 | |||
27 | align 4 |
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28 | proc detach_int_handler |
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29 | |||
30 | ret |
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31 | endp |
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32 | |||
33 | align 4 |
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34 | proc enable_irq stdcall, irq_line:dword |
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35 | mov ebx, [irq_line] |
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36 | mov edx, 0x21 |
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37 | cmp ebx, 8 |
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38 | jb @F |
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39 | mov edx, 0xA1 |
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40 | sub ebx,8 |
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41 | @@: |
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42 | in al,dx |
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43 | btr eax, ebx |
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44 | out dx, al |
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45 | ret |
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46 | endp |
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47 | |||
48 | align 16 |
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49 | ;; proc irq_serv |
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50 | |||
51 | irq_serv: |
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52 | |||
53 | .irq_1: |
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54 | push eax |
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55 | mov eax, 1 |
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56 | jmp .main |
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57 | align 4 |
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58 | .irq_2: |
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59 | push eax |
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60 | mov eax, 2 |
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61 | jmp .main |
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62 | align 4 |
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63 | .irq_3: |
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64 | push eax |
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65 | mov eax, 3 |
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66 | jmp .main |
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67 | align 4 |
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68 | .irq_4: |
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69 | push eax |
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70 | mov eax, 4 |
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71 | jmp .main |
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72 | align 4 |
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73 | .irq_5: |
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74 | push eax |
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75 | mov eax, 5 |
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76 | jmp .main |
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77 | align 4 |
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78 | .irq_6: |
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79 | push eax |
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80 | mov eax, 6 |
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81 | jmp .main |
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82 | align 4 |
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83 | .irq_7: |
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84 | push eax |
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85 | mov eax, 7 |
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86 | jmp .main |
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87 | align 4 |
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88 | .irq_8: |
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89 | push eax |
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90 | mov eax, 8 |
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91 | jmp .main |
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92 | align 4 |
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93 | .irq_9: |
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94 | push eax |
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95 | mov eax, 9 |
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96 | jmp .main |
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97 | align 4 |
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98 | .irq_10: |
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99 | push eax |
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100 | mov eax, 10 |
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101 | jmp .main |
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102 | align 4 |
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103 | .irq_11: |
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104 | push eax |
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105 | mov eax, 11 |
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106 | jmp .main |
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107 | align 4 |
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108 | .irq_12: |
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109 | push eax |
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110 | mov eax, 12 |
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111 | jmp .main |
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112 | align 4 |
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113 | .irq_13: |
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114 | push eax |
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115 | mov eax, 13 |
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116 | jmp .main |
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117 | align 4 |
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118 | .irq_14: |
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119 | push eax |
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120 | mov eax, 14 |
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121 | jmp .main |
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122 | align 4 |
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123 | .irq_15: |
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124 | push eax |
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125 | mov eax, 15 |
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126 | jmp .main |
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127 | |||
128 | align 16 |
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129 | .main: |
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130 | save_ring3_context |
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131 | mov bx, os_data |
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132 | mov ds, bx |
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133 | mov es, bx |
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134 | |||
135 | mov ebx, [irq_tab+eax*4] |
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136 | test ebx, ebx |
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137 | jz .exit |
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138 | |||
139 | call ebx |
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140 | |||
141 | .exit: |
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142 | restore_ring3_context |
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143 | |||
144 | cmp eax, 8 |
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145 | mov al, 0x20 |
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146 | jb @f |
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147 | out 0xa0, al |
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148 | @@: |
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149 | out 0x20, al |
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150 | |||
151 | pop eax |
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152 | iret |
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153 | |||
154 | align 4 |
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155 | proc get_notify stdcall, p_ev:dword |
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156 | |||
157 | .wait: |
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158 | mov ebx,[CURRENT_TASK] |
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159 | shl ebx,8 |
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380 | serge | 160 | test dword [ebx+SLOT_BASE+0xA8],EVENT_NOTIFY |
164 | serge | 161 | jz @f |
380 | serge | 162 | and dword [ebx+SLOT_BASE+0xA8], not EVENT_NOTIFY |
164 | serge | 163 | mov edi, [p_ev] |
164 | mov dword [edi], EV_INTR |
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380 | serge | 165 | mov eax, [ebx+SLOT_BASE+APPDATA.event] |
164 | serge | 166 | mov dword [edi+4], eax |
167 | ret |
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168 | @@: |
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169 | call change_task |
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170 | jmp .wait |
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171 | endp |
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172 | |||
173 | align 4 |
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174 | proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword |
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175 | xor eax, eax |
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176 | xor ebx, ebx |
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177 | mov ah, byte [bus] |
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178 | mov al, 6 |
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179 | mov bh, byte [devfn] |
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180 | mov bl, byte [reg] |
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181 | call pci_read_reg |
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182 | ret |
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183 | endp |
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184 | |||
185 | align 4 |
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186 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
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187 | xor eax, eax |
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188 | xor ebx, ebx |
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189 | mov ah, byte [bus] |
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190 | mov al, 4 |
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191 | mov bh, byte [devfn] |
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192 | mov bl, byte [reg] |
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193 | call pci_read_reg |
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194 | ret |
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195 | endp |
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196 | |||
197 | align 4 |
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198 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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199 | xor eax, eax |
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200 | xor ebx, ebx |
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201 | mov ah, byte [bus] |
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202 | mov al, 8 |
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203 | mov bh, byte [devfn] |
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204 | mov bl, byte [reg] |
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205 | mov ecx, [val] |
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206 | call pci_write_reg |
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207 | ret |
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208 | endp |
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209 | |||
210 | handle equ IOCTL.handle |
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211 | io_code equ IOCTL.io_code |
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212 | input equ IOCTL.input |
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213 | inp_size equ IOCTL.inp_size |
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214 | output equ IOCTL.output |
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215 | out_size equ IOCTL.out_size |
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216 | |||
217 | |||
218 | align 4 |
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219 | proc srv_handler stdcall, ioctl:dword |
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220 | mov esi, [ioctl] |
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221 | test esi, esi |
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222 | jz .err |
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223 | |||
224 | mov edi, [esi+handle] |
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225 | cmp [edi+SRV.magic], ' SRV' |
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226 | jne .fail |
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227 | |||
228 | cmp [edi+SRV.size], SRV_SIZE |
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229 | jne .fail |
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230 | |||
231 | stdcall [edi+SRV.srv_proc], esi |
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232 | ret |
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233 | .fail: |
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234 | xor eax, eax |
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235 | not eax |
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236 | mov [esi+output], eax |
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237 | mov [esi+out_size], 4 |
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238 | ret |
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239 | .err: |
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240 | xor eax, eax |
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241 | not eax |
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242 | ret |
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243 | endp |
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244 | |||
377 | serge | 245 | ; param |
246 | ; ebx= io_control |
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247 | ; |
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248 | ; retval |
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249 | ; eax= error code |
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250 | |||
164 | serge | 251 | align 4 |
377 | serge | 252 | srv_handlerEx: |
253 | test ebx, ebx |
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254 | jz .fail |
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255 | add ebx, new_app_base |
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164 | serge | 256 | |
377 | serge | 257 | mov eax, [ebx+handle] |
258 | cmp [eax+SRV.magic], ' SRV' |
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164 | serge | 259 | jne .fail |
260 | |||
377 | serge | 261 | cmp [eax+SRV.size], SRV_SIZE |
164 | serge | 262 | jne .fail |
263 | |||
377 | serge | 264 | add [ebx+input], new_app_base |
265 | add [ebx+output], new_app_base |
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164 | serge | 266 | |
377 | serge | 267 | stdcall [eax+SRV.srv_proc], ebx |
164 | serge | 268 | ret |
269 | .fail: |
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377 | serge | 270 | or eax, -1 |
164 | serge | 271 | ret |
272 | |||
273 | restore handle |
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274 | restore io_code |
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275 | restore input |
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276 | restore inp_size |
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277 | restore output |
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278 | restore out_size |
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279 | |||
280 | align 4 |
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281 | proc get_service stdcall, sz_name:dword |
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188 | serge | 282 | mov eax, [sz_name] |
283 | test eax, eax |
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284 | jnz @F |
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285 | ret |
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164 | serge | 286 | @@: |
278 | serge | 287 | mov edx, [srv.fd] |
188 | serge | 288 | @@: |
278 | serge | 289 | cmp edx, srv.fd-SRV_FD_OFFSET |
290 | je .not_load |
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291 | |||
292 | stdcall strncmp, edx, [sz_name], 16 |
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188 | serge | 293 | test eax, eax |
294 | je .ok |
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164 | serge | 295 | |
278 | serge | 296 | mov edx, [edx+SRV.fd] |
297 | jmp @B |
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164 | serge | 298 | .not_load: |
346 | diamond | 299 | pop ebp |
300 | jmp load_driver |
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164 | serge | 301 | .ok: |
278 | serge | 302 | mov eax, edx |
188 | serge | 303 | ret |
164 | serge | 304 | endp |
305 | |||
306 | align 4 |
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278 | serge | 307 | reg_service: |
308 | .sz_name equ esp+4 |
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309 | .handler equ esp+8 |
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310 | mov eax, [.sz_name] |
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164 | serge | 311 | test eax, eax |
312 | jz .fail |
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313 | |||
278 | serge | 314 | mov ebx, [.handler] |
164 | serge | 315 | test ebx, ebx |
316 | jz .fail |
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317 | |||
278 | serge | 318 | mov eax, SRV_SIZE |
319 | call malloc ;call alloc_service |
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164 | serge | 320 | test eax, eax |
321 | jz .fail |
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322 | |||
323 | mov edi, eax |
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278 | serge | 324 | mov esi, [.sz_name] |
325 | mov ecx, 16/4 |
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326 | rep movsd |
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164 | serge | 327 | |
278 | serge | 328 | mov [eax+SRV.magic], ' SRV' |
329 | mov [eax+SRV.size], SRV_SIZE |
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330 | |||
331 | mov ebx, srv.fd-SRV_FD_OFFSET |
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332 | mov edx, [ebx+SRV.fd] |
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333 | mov [eax+SRV.fd], edx |
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334 | mov [eax+SRV.bk], ebx |
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335 | mov [ebx+SRV.fd], eax |
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336 | mov [edx+SRV.bk], eax |
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337 | |||
338 | mov ecx, [.handler] |
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339 | mov [eax+SRV.srv_proc], ecx |
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281 | serge | 340 | ret 8 |
164 | serge | 341 | .fail: |
342 | xor eax, eax |
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281 | serge | 343 | ret 8 |
164 | serge | 344 | |
345 | align 4 |
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346 | proc get_proc stdcall, exp:dword, sz_name:dword |
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347 | |||
348 | mov edx, [exp] |
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349 | .next: |
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350 | mov eax, [edx] |
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351 | test eax, eax |
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352 | jz .end |
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353 | |||
354 | push edx |
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355 | stdcall strncmp, eax, [sz_name], 16 |
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356 | pop edx |
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357 | test eax, eax |
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358 | jz .ok |
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359 | |||
360 | add edx,8 |
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361 | jmp .next |
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362 | .ok: |
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363 | mov eax, [edx+4] |
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364 | .end: |
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365 | ret |
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366 | endp |
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367 | |||
368 | align 4 |
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369 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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370 | |||
371 | @@: |
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372 | stdcall strncmp, [pSym], [sz_sym], 8 |
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373 | test eax,eax |
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374 | jz .ok |
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375 | add [pSym], 18 |
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376 | dec [count] |
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377 | jnz @b |
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378 | xor eax, eax |
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379 | ret |
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380 | .ok: |
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381 | mov ebx, [pSym] |
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382 | mov eax, [ebx+8] |
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383 | ret |
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384 | endp |
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385 | |||
386 | align 4 |
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188 | serge | 387 | proc get_curr_task |
388 | mov eax,[CURRENT_TASK] |
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389 | shl eax, 8 |
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390 | ret |
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391 | endp |
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164 | serge | 392 | |
188 | serge | 393 | align 4 |
394 | proc get_fileinfo stdcall, file_name:dword, info:dword |
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395 | locals |
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396 | cmd dd ? |
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397 | offset dd ? |
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398 | dd ? |
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399 | count dd ? |
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400 | buff dd ? |
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401 | db ? |
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402 | name dd ? |
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403 | endl |
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164 | serge | 404 | |
188 | serge | 405 | xor eax, eax |
406 | mov ebx, [file_name] |
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407 | sub ebx, new_app_base |
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408 | mov ecx, [info] |
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409 | sub ecx, new_app_base |
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164 | serge | 410 | |
188 | serge | 411 | mov [cmd], 5 |
412 | mov [offset], eax |
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413 | mov [offset+4], eax |
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414 | mov [count], eax |
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415 | mov [buff], ecx |
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416 | mov byte [buff+4], al |
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417 | mov [name], ebx |
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164 | serge | 418 | |
188 | serge | 419 | mov eax, 70 |
420 | lea ebx, [cmd] |
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421 | sub ebx, new_app_base |
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422 | int 0x40 |
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423 | ret |
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424 | endp |
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164 | serge | 425 | |
188 | serge | 426 | align 4 |
427 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
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428 | bytes:dword |
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429 | locals |
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430 | cmd dd ? |
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431 | offset dd ? |
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432 | dd ? |
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433 | count dd ? |
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434 | buff dd ? |
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435 | db ? |
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436 | name dd ? |
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437 | endl |
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164 | serge | 438 | |
188 | serge | 439 | xor eax, eax |
440 | mov ebx, [file_name] |
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441 | mov ecx, [off] |
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442 | mov edx, [bytes] |
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443 | mov esi, [buffer] |
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444 | sub ebx, new_app_base |
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445 | sub esi, new_app_base |
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164 | serge | 446 | |
188 | serge | 447 | mov [cmd], eax |
448 | mov [offset], ecx |
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449 | mov [offset+4], eax |
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450 | mov [count], edx |
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451 | mov [buff], esi |
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452 | mov byte [buff+4], al |
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453 | mov [name], ebx |
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454 | |||
455 | mov eax, 70 |
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456 | lea ebx, [cmd] |
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457 | sub ebx, new_app_base |
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458 | int 0x40 |
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459 | ret |
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460 | endp |
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461 | |||
363 | serge | 462 | ; description |
463 | ; allocate kernel memory and loads the specified file |
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464 | ; |
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465 | ; param |
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466 | ; file_name= full path to file |
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467 | ; |
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468 | ; retval |
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469 | ; eax= file image in kernel memory |
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470 | ; ebx= size of file |
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471 | ; |
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472 | ; warging |
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473 | ; You mast call kernel_free() to delete each file |
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474 | ; loaded by the load_file() function |
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475 | |||
188 | serge | 476 | align 4 |
477 | proc load_file stdcall, file_name:dword |
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478 | locals |
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479 | attr dd ? |
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480 | flags dd ? |
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481 | cr_time dd ? |
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482 | cr_date dd ? |
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483 | acc_time dd ? |
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484 | acc_date dd ? |
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485 | mod_time dd ? |
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486 | mod_date dd ? |
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487 | file_size dd ? |
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488 | |||
489 | file dd ? |
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211 | serge | 490 | file2 dd ? |
188 | serge | 491 | endl |
492 | |||
493 | lea eax, [attr] |
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494 | stdcall get_fileinfo, [file_name], eax |
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164 | serge | 495 | test eax, eax |
188 | serge | 496 | jnz .fail |
164 | serge | 497 | |
206 | serge | 498 | mov eax, [file_size] |
237 | serge | 499 | cmp eax, 1024*1024*16 |
500 | ja .fail |
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206 | serge | 501 | |
188 | serge | 502 | stdcall kernel_alloc, [file_size] |
503 | mov [file], eax |
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164 | serge | 504 | |
188 | serge | 505 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
506 | cmp ebx, [file_size] |
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507 | jne .cleanup |
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211 | serge | 508 | |
188 | serge | 509 | mov eax, [file] |
211 | serge | 510 | cmp dword [eax], 0x4B43504B |
511 | jne .exit |
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237 | serge | 512 | mov ebx, [eax+4] |
513 | mov [file_size], ebx |
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514 | stdcall kernel_alloc, ebx |
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211 | serge | 515 | |
516 | test eax, eax |
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517 | jz .cleanup |
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518 | |||
519 | mov [file2], eax |
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520 | stdcall unpack, [file], eax |
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521 | stdcall kernel_free, [file] |
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522 | mov eax, [file2] |
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237 | serge | 523 | mov ebx, [file_size] |
211 | serge | 524 | .exit: |
269 | serge | 525 | push eax |
526 | lea edi, [eax+ebx] ;cleanup remain space |
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357 | serge | 527 | mov ecx, 4096 ;from file end |
528 | and ebx, 4095 |
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269 | serge | 529 | sub ecx, ebx |
530 | xor eax, eax |
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531 | cld |
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532 | rep stosb |
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357 | serge | 533 | mov ebx, [file_size] |
269 | serge | 534 | pop eax |
188 | serge | 535 | ret |
536 | .cleanup: |
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537 | stdcall kernel_free, [file] |
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538 | .fail: |
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539 | xor eax, eax |
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237 | serge | 540 | xor ebx, ebx |
188 | serge | 541 | ret |
542 | endp |
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164 | serge | 543 | |
188 | serge | 544 | align 4 |
545 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
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546 | |||
547 | .look_up: |
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548 | mov edx, [imports] |
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198 | serge | 549 | test edx, edx |
550 | jz .end |
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188 | serge | 551 | mov edx, [edx] |
552 | test edx, edx |
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553 | jz .end |
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554 | .next: |
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555 | mov eax, [edx] |
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164 | serge | 556 | test eax, eax |
188 | serge | 557 | jz .next_table |
164 | serge | 558 | |
188 | serge | 559 | push edx |
560 | stdcall strncmp, eax, [proc_name], 16 |
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561 | pop edx |
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562 | test eax, eax |
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563 | jz .ok |
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164 | serge | 564 | |
188 | serge | 565 | add edx,8 |
566 | jmp .next |
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567 | .next_table: |
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568 | add [imports], 4 |
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569 | jmp .look_up |
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570 | .ok: |
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571 | mov eax, [edx+4] |
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572 | ret |
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573 | .end: |
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574 | xor eax, eax |
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575 | ret |
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576 | endp |
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164 | serge | 577 | |
188 | serge | 578 | align 4 |
579 | proc fix_coff_symbols stdcall, sec:dword, symbols:dword,\ |
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580 | sym_count:dword, strings:dword, imports:dword |
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581 | locals |
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582 | retval dd ? |
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583 | endl |
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164 | serge | 584 | |
188 | serge | 585 | mov edi, [symbols] |
586 | mov [retval], 1 |
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587 | .fix: |
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588 | movzx ebx, [edi+CSYM.SectionNumber] |
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589 | test ebx, ebx |
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590 | jnz .internal |
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591 | mov eax, dword [edi+CSYM.Name] |
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592 | test eax, eax |
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593 | jnz @F |
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164 | serge | 594 | |
188 | serge | 595 | mov edi, [edi+4] |
596 | add edi, [strings] |
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597 | @@: |
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598 | push edi |
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599 | stdcall get_proc_ex, edi,[imports] |
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600 | pop edi |
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164 | serge | 601 | |
188 | serge | 602 | xor ebx, ebx |
603 | test eax, eax |
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604 | jnz @F |
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164 | serge | 605 | |
188 | serge | 606 | mov esi, msg_unresolved |
607 | call sys_msg_board_str |
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608 | mov esi, edi |
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609 | call sys_msg_board_str |
||
610 | mov esi, msg_CR |
||
611 | call sys_msg_board_str |
||
164 | serge | 612 | |
188 | serge | 613 | mov [retval],0 |
614 | @@: |
||
615 | mov edi, [symbols] |
||
616 | mov [edi+CSYM.Value], eax |
||
617 | jmp .next |
||
618 | .internal: |
||
619 | dec ebx |
||
620 | shl ebx, 3 |
||
621 | lea ebx, [ebx+ebx*4] |
||
622 | add ebx, [sec] |
||
623 | |||
624 | mov eax, [ebx+CFS.VirtualAddress] |
||
625 | add [edi+CSYM.Value], eax |
||
626 | .next: |
||
627 | add edi, CSYM_SIZE |
||
628 | mov [symbols], edi |
||
629 | dec [sym_count] |
||
630 | jnz .fix |
||
631 | mov eax, [retval] |
||
632 | ret |
||
164 | serge | 633 | endp |
634 | |||
635 | align 4 |
||
188 | serge | 636 | proc fix_coff_relocs stdcall, coff:dword, sec:dword, sym:dword |
164 | serge | 637 | locals |
188 | serge | 638 | n_sec dd ? |
164 | serge | 639 | endl |
640 | |||
188 | serge | 641 | mov eax, [coff] |
642 | movzx ebx, [eax+CFH.nSections] |
||
643 | mov [n_sec], ebx |
||
644 | .fix_sec: |
||
645 | mov esi, [sec] |
||
164 | serge | 646 | mov edi, [esi+CFS.PtrReloc] |
188 | serge | 647 | add edi, [coff] |
164 | serge | 648 | |
188 | serge | 649 | movzx ecx, [esi+CFS.NumReloc] |
650 | test ecx, ecx |
||
651 | jz .next |
||
652 | .next_reloc: |
||
164 | serge | 653 | mov ebx, [edi+CRELOC.SymIndex] |
654 | add ebx,ebx |
||
655 | lea ebx,[ebx+ebx*8] |
||
188 | serge | 656 | add ebx, [sym] |
164 | serge | 657 | |
188 | serge | 658 | mov edx, [ebx+CSYM.Value] |
164 | serge | 659 | |
188 | serge | 660 | cmp [edi+CRELOC.Type], 6 |
661 | je .dir_32 |
||
164 | serge | 662 | |
188 | serge | 663 | cmp [edi+CRELOC.Type], 20 |
664 | jne .next_reloc |
||
665 | .rel_32: |
||
164 | serge | 666 | mov eax, [edi+CRELOC.VirtualAddress] |
188 | serge | 667 | add eax, [esi+CFS.VirtualAddress] |
668 | sub edx, eax |
||
669 | sub edx, 4 |
||
670 | jmp .fix |
||
671 | .dir_32: |
||
672 | mov eax, [edi+CRELOC.VirtualAddress] |
||
673 | add eax, [esi+CFS.VirtualAddress] |
||
674 | .fix: |
||
675 | add [eax], edx |
||
676 | add edi, 10 |
||
677 | dec ecx |
||
678 | jnz .next_reloc |
||
679 | .next: |
||
206 | serge | 680 | add [sec], COFF_SECTION_SIZE |
188 | serge | 681 | dec [n_sec] |
682 | jnz .fix_sec |
||
164 | serge | 683 | .exit: |
684 | ret |
||
685 | endp |
||
686 | |||
188 | serge | 687 | align 4 |
346 | diamond | 688 | proc load_driver stdcall, driver_name:dword |
188 | serge | 689 | locals |
690 | coff dd ? |
||
691 | sym dd ? |
||
692 | strings dd ? |
||
693 | img_size dd ? |
||
694 | img_base dd ? |
||
695 | start dd ? |
||
696 | |||
697 | exports dd ? ;fake exports table |
||
698 | dd ? |
||
346 | diamond | 699 | file_name rb 14+16+4+1 ; '/rd/1/drivers/ |
188 | serge | 700 | endl |
701 | |||
346 | diamond | 702 | lea edx, [file_name] |
703 | mov dword [edx], '/rd/' |
||
704 | mov dword [edx+4], '1/dr' |
||
705 | mov dword [edx+8], 'iver' |
||
706 | mov word [edx+12], 's/' |
||
707 | mov esi, [driver_name] |
||
708 | lea edi, [edx+14] |
||
709 | mov ecx, 16 |
||
710 | @@: |
||
711 | lodsb |
||
712 | test al, al |
||
713 | jz @f |
||
714 | stosb |
||
715 | loop @b |
||
716 | @@: |
||
717 | mov dword [edi], '.obj' |
||
718 | mov byte [edi+4], 0 |
||
719 | stdcall load_file, edx |
||
214 | serge | 720 | |
188 | serge | 721 | test eax, eax |
227 | serge | 722 | jz .exit |
188 | serge | 723 | |
724 | mov [coff], eax |
||
725 | |||
726 | movzx ecx, [eax+CFH.nSections] |
||
727 | xor ebx, ebx |
||
728 | |||
729 | lea edx, [eax+20] |
||
730 | @@: |
||
731 | add ebx, [edx+CFS.SizeOfRawData] |
||
732 | add ebx, 15 |
||
733 | and ebx, not 15 |
||
206 | serge | 734 | add edx, COFF_SECTION_SIZE |
188 | serge | 735 | dec ecx |
736 | jnz @B |
||
737 | mov [img_size], ebx |
||
738 | |||
739 | stdcall kernel_alloc, ebx |
||
740 | test eax, eax |
||
741 | jz .fail |
||
742 | mov [img_base], eax |
||
743 | |||
744 | mov edi, eax |
||
745 | xor eax, eax |
||
746 | mov ecx, [img_size] |
||
747 | add ecx, 4095 |
||
748 | and ecx, not 4095 |
||
749 | shr ecx, 2 |
||
750 | cld |
||
751 | rep stosd |
||
752 | |||
753 | mov edx, [coff] |
||
754 | movzx ebx, [edx+CFH.nSections] |
||
755 | mov edi, [img_base] |
||
756 | lea eax, [edx+20] |
||
757 | @@: |
||
758 | mov [eax+CFS.VirtualAddress], edi |
||
759 | mov esi, [eax+CFS.PtrRawData] |
||
760 | test esi, esi |
||
761 | jnz .copy |
||
762 | add edi, [eax+CFS.SizeOfRawData] |
||
763 | jmp .next |
||
764 | .copy: |
||
765 | add esi, edx |
||
766 | mov ecx, [eax+CFS.SizeOfRawData] |
||
767 | cld |
||
768 | rep movsb |
||
769 | .next: |
||
770 | add edi, 15 |
||
771 | and edi, not 15 |
||
206 | serge | 772 | add eax, COFF_SECTION_SIZE |
188 | serge | 773 | dec ebx |
774 | jnz @B |
||
775 | |||
776 | mov ebx, [edx+CFH.pSymTable] |
||
777 | add ebx, edx |
||
778 | mov [sym], ebx |
||
779 | mov ecx, [edx+CFH.nSymbols] |
||
780 | add ecx,ecx |
||
781 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
782 | add ecx, [sym] |
||
783 | mov [strings], ecx |
||
784 | |||
785 | lea ebx, [exports] |
||
786 | mov dword [ebx], kernel_export |
||
787 | mov dword [ebx+4], 0 |
||
788 | lea eax, [edx+20] |
||
789 | |||
790 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
791 | [strings], ebx |
||
792 | test eax, eax |
||
227 | serge | 793 | jz .link_fail |
188 | serge | 794 | |
795 | mov ebx, [coff] |
||
796 | add ebx, 20 |
||
797 | stdcall fix_coff_relocs, [coff], ebx, [sym] |
||
798 | |||
799 | mov ebx, [coff] |
||
227 | serge | 800 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szVersion |
801 | test eax, eax |
||
802 | jz .link_fail |
||
803 | |||
804 | mov eax, [eax] |
||
805 | shr eax, 16 |
||
806 | cmp eax, DRV_COMPAT |
||
807 | jb .ver_fail |
||
808 | |||
809 | cmp eax, DRV_CURRENT |
||
810 | ja .ver_fail |
||
811 | |||
812 | mov ebx, [coff] |
||
188 | serge | 813 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szSTART |
814 | mov [start], eax |
||
815 | |||
816 | stdcall kernel_free, [coff] |
||
817 | |||
818 | mov ebx, [start] |
||
214 | serge | 819 | stdcall ebx, DRV_ENTRY |
188 | serge | 820 | test eax, eax |
821 | jnz .ok |
||
822 | |||
823 | stdcall kernel_free, [img_base] |
||
824 | xor eax, eax |
||
825 | ret |
||
826 | .ok: |
||
827 | mov ebx, [img_base] |
||
828 | mov [eax+SRV.base], ebx |
||
214 | serge | 829 | mov ecx, [start] |
830 | mov [eax+SRV.entry], ecx |
||
188 | serge | 831 | ret |
227 | serge | 832 | |
833 | .ver_fail: |
||
834 | mov esi, msg_CR |
||
835 | call sys_msg_board_str |
||
346 | diamond | 836 | mov esi, [driver_name] |
227 | serge | 837 | call sys_msg_board_str |
838 | mov esi, msg_CR |
||
839 | call sys_msg_board_str |
||
840 | mov esi, msg_version |
||
841 | call sys_msg_board_str |
||
842 | mov esi, msg_www |
||
843 | call sys_msg_board_str |
||
844 | jmp .cleanup |
||
845 | |||
846 | .link_fail: |
||
847 | mov esi, msg_module |
||
848 | call sys_msg_board_str |
||
346 | diamond | 849 | mov esi, [driver_name] |
227 | serge | 850 | call sys_msg_board_str |
851 | mov esi, msg_CR |
||
852 | call sys_msg_board_str |
||
853 | .cleanup: |
||
854 | stdcall kernel_free,[img_base] |
||
188 | serge | 855 | .fail: |
227 | serge | 856 | stdcall kernel_free, [coff] |
857 | .exit: |
||
188 | serge | 858 | xor eax, eax |
859 | ret |
||
164 | serge | 860 | endp |
861 | |||
198 | serge | 862 | align 4 |
863 | proc load_library stdcall, file_name:dword |
||
864 | locals |
||
865 | coff dd ? |
||
866 | sym dd ? |
||
867 | strings dd ? |
||
868 | img_size dd ? |
||
869 | img_base dd ? |
||
870 | exports dd ? |
||
871 | endl |
||
872 | |||
873 | cli |
||
874 | |||
875 | stdcall load_file, [file_name] |
||
876 | test eax, eax |
||
877 | jz .fail |
||
878 | |||
879 | mov [coff], eax |
||
880 | movzx ecx, [eax+CFH.nSections] |
||
881 | xor ebx, ebx |
||
882 | |||
883 | lea edx, [eax+20] |
||
884 | @@: |
||
885 | add ebx, [edx+CFS.SizeOfRawData] |
||
886 | add ebx, 15 |
||
887 | and ebx, not 15 |
||
206 | serge | 888 | add edx, COFF_SECTION_SIZE |
198 | serge | 889 | dec ecx |
890 | jnz @B |
||
891 | mov [img_size], ebx |
||
892 | |||
893 | call init_heap |
||
894 | stdcall user_alloc, [img_size] |
||
895 | |||
896 | test eax, eax |
||
897 | jz .fail |
||
898 | mov [img_base], eax |
||
899 | |||
900 | mov edx, [coff] |
||
901 | movzx ebx, [edx+CFH.nSections] |
||
902 | mov edi, [img_base] |
||
903 | lea eax, [edx+20] |
||
904 | @@: |
||
905 | mov [eax+CFS.VirtualAddress], edi |
||
906 | mov esi, [eax+CFS.PtrRawData] |
||
907 | test esi, esi |
||
908 | jnz .copy |
||
909 | add edi, [eax+CFS.SizeOfRawData] |
||
910 | jmp .next |
||
911 | .copy: |
||
912 | add esi, edx |
||
913 | add edi, new_app_base |
||
914 | mov ecx, [eax+CFS.SizeOfRawData] |
||
915 | cld |
||
916 | rep movsb |
||
917 | .next: |
||
918 | add edi, 15-new_app_base |
||
919 | and edi, not 15 |
||
206 | serge | 920 | add eax, COFF_SECTION_SIZE |
198 | serge | 921 | dec ebx |
922 | jnz @B |
||
923 | |||
924 | mov ebx, [edx+CFH.pSymTable] |
||
925 | add ebx, edx |
||
926 | mov [sym], ebx |
||
927 | mov ecx, [edx+CFH.nSymbols] |
||
928 | add ecx,ecx |
||
929 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
930 | add ecx, [sym] |
||
931 | mov [strings], ecx |
||
932 | |||
933 | lea eax, [edx+20] |
||
934 | |||
935 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
936 | [strings], dword 0 |
||
937 | test eax, eax |
||
938 | jnz @F |
||
939 | |||
940 | @@: |
||
941 | mov edx, [coff] |
||
942 | movzx ebx, [edx+CFH.nSections] |
||
943 | mov edi, new_app_base |
||
944 | lea eax, [edx+20] |
||
945 | @@: |
||
946 | add [eax+CFS.VirtualAddress], edi ;patch user space offset |
||
206 | serge | 947 | add eax, COFF_SECTION_SIZE |
198 | serge | 948 | dec ebx |
949 | jnz @B |
||
950 | |||
951 | add edx, 20 |
||
952 | stdcall fix_coff_relocs, [coff], edx, [sym] |
||
953 | |||
954 | mov ebx, [coff] |
||
955 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szEXPORTS |
||
956 | mov [exports], eax |
||
957 | |||
958 | stdcall kernel_free, [coff] |
||
959 | mov eax, [exports] |
||
960 | ret |
||
961 | .fail: |
||
962 | xor eax, eax |
||
963 | ret |
||
964 | endp |
||
965 | |||
214 | serge | 966 | align 4 |
967 | proc stop_all_services |
||
278 | serge | 968 | |
969 | mov edx, [srv.fd] |
||
214 | serge | 970 | .next: |
278 | serge | 971 | cmp edx, srv.fd-SRV_FD_OFFSET |
972 | je .done |
||
973 | cmp [edx+SRV.magic], ' SRV' |
||
227 | serge | 974 | jne .next |
278 | serge | 975 | cmp [edx+SRV.size], SRV_SIZE |
227 | serge | 976 | jne .next |
278 | serge | 977 | mov ebx, [edx+SRV.entry] |
978 | mov edx, [edx+SRV.fd] |
||
979 | push edx |
||
214 | serge | 980 | stdcall ebx, dword -1 |
278 | serge | 981 | pop edx |
214 | serge | 982 | jmp .next |
278 | serge | 983 | .done: |
984 | ret |
||
214 | serge | 985 | endp |
198 | serge | 986 | |
281 | serge | 987 | ; param |
291 | serge | 988 | ; eax= size |
989 | ; ebx= pid |
||
214 | serge | 990 | |
281 | serge | 991 | align 4 |
992 | create_kernel_object: |
||
993 | |||
994 | push ebx |
||
995 | call malloc |
||
996 | pop ebx |
||
997 | test eax, eax |
||
998 | jz .fail |
||
999 | |||
1000 | mov ecx,[CURRENT_TASK] |
||
1001 | shl ecx,8 |
||
380 | serge | 1002 | add ecx, SLOT_BASE+APP_OBJ_OFFSET |
281 | serge | 1003 | |
345 | serge | 1004 | pushfd |
1005 | cli |
||
281 | serge | 1006 | mov edx, [ecx+APPOBJ.fd] |
1007 | mov [eax+APPOBJ.fd], edx |
||
1008 | mov [eax+APPOBJ.bk], ecx |
||
1009 | mov [eax+APPOBJ.pid], ebx |
||
1010 | |||
1011 | mov [ecx+APPOBJ.fd], eax |
||
1012 | mov [edx+APPOBJ.bk], eax |
||
345 | serge | 1013 | popfd |
281 | serge | 1014 | .fail: |
1015 | ret |
||
1016 | |||
1017 | ; param |
||
1018 | ; eax= object |
||
1019 | |||
1020 | align 4 |
||
1021 | destroy_kernel_object: |
||
1022 | |||
345 | serge | 1023 | pushfd |
1024 | cli |
||
281 | serge | 1025 | mov ebx, [eax+APPOBJ.fd] |
1026 | mov ecx, [eax+APPOBJ.bk] |
||
1027 | mov [ebx+APPOBJ.bk], ecx |
||
1028 | mov [ecx+APPOBJ.fd], ebx |
||
345 | serge | 1029 | popfd |
281 | serge | 1030 | |
1031 | xor edx, edx ;clear common header |
||
1032 | mov [eax], edx |
||
1033 | mov [eax+4], edx |
||
1034 | mov [eax+8], edx |
||
1035 | mov [eax+12], edx |
||
1036 | mov [eax+16], edx |
||
1037 | |||
1038 | call free ;release object memory |
||
1039 | ret |
||
1040 | |||
1041 | |||
346 | diamond | 1042 | ;szSound db 'SOUND',0 |
1043 | ;szInfinity db 'INFINITY',0 |
||
1044 | szHwMouse db 'ATI2D',0 |
||
164 | serge | 1045 | |
1046 | szSTART db 'START',0 |
||
1047 | szEXPORTS db 'EXPORTS',0 |
||
1048 | szIMPORTS db 'IMPORTS',0 |
||
1049 | |||
188 | serge | 1050 | msg_unresolved db 'unresolved ',0 |
1051 | msg_module db 'in module ',0 |
||
227 | serge | 1052 | msg_version db 'incompatible driver version',13,10,0 |
1053 | msg_www db 'please visit www.kolibrios.org',13,10,0 |
||
188 | serge | 1054 | msg_CR db 13,10,0 |
1055 | |||
214 | serge | 1056 | align 4 |
227 | serge | 1057 | create_cursor dd 0 |
214 | serge | 1058 | set_hw_cursor dd 0 |
221 | serge | 1059 | hw_restore dd 0 |