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