Rev 420 | 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, app_data ;os_data |
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420 | serge | 128 | mov ds, bx |
164 | serge | 129 | mov es, bx |
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_slot] |
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427 | serge | 155 | test dword [ebx+APPDATA.event_mask],EVENT_NOTIFY |
156 | jz @f |
||
164 | serge | 157 | and dword [ebx+APPDATA.event_mask], not EVENT_NOTIFY |
427 | serge | 158 | mov edi, [p_ev] |
164 | serge | 159 | mov dword [edi], EV_INTR |
160 | mov eax, [ebx+APPDATA.event] |
||
427 | serge | 161 | mov dword [edi+4], eax |
164 | serge | 162 | ret |
163 | @@: |
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164 | call change_task |
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165 | jmp .wait |
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166 | endp |
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167 | |||
168 | |||
169 | proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword |
||
170 | xor eax, eax |
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171 | xor ebx, ebx |
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172 | mov ah, byte [bus] |
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173 | mov al, 6 |
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174 | mov bh, byte [devfn] |
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175 | mov bl, byte [reg] |
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176 | call pci_read_reg |
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177 | ret |
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178 | endp |
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179 | |||
180 | |||
181 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
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182 | xor eax, eax |
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183 | xor ebx, ebx |
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184 | mov ah, byte [bus] |
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185 | mov al, 4 |
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186 | mov bh, byte [devfn] |
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187 | mov bl, byte [reg] |
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188 | call pci_read_reg |
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189 | ret |
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190 | endp |
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191 | |||
192 | |||
193 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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194 | xor eax, eax |
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195 | xor ebx, ebx |
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196 | mov ah, byte [bus] |
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197 | mov al, 8 |
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198 | mov bh, byte [devfn] |
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199 | mov bl, byte [reg] |
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200 | mov ecx, [val] |
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201 | call pci_write_reg |
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202 | ret |
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203 | endp |
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204 | |||
205 | |||
206 | io_code equ IOCTL.io_code |
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207 | input equ IOCTL.input |
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208 | inp_size equ IOCTL.inp_size |
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209 | output equ IOCTL.output |
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210 | out_size equ IOCTL.out_size |
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211 | |||
212 | |||
213 | |||
214 | proc srv_handler stdcall, ioctl:dword |
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215 | mov esi, [ioctl] |
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216 | test esi, esi |
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217 | jz .err |
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218 | |||
219 | |||
220 | cmp [edi+SRV.magic], ' SRV' |
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221 | jne .fail |
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222 | |||
223 | |||
224 | jne .fail |
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225 | |||
226 | |||
227 | ret |
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228 | .fail: |
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229 | xor eax, eax |
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230 | not eax |
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231 | mov [esi+output], eax |
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232 | mov [esi+out_size], 4 |
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233 | ret |
||
234 | .err: |
||
235 | xor eax, eax |
||
236 | not eax |
||
237 | ret |
||
238 | endp |
||
239 | |||
240 | |||
377 | serge | 241 | ; ebx= io_control |
242 | ; |
||
243 | ; retval |
||
244 | ; eax= error code |
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245 | |||
246 | |||
164 | serge | 247 | srv_handlerEx: |
377 | serge | 248 | test ebx, ebx |
249 | jz .fail |
||
250 | ; add ebx, new_app_base |
||
419 | serge | 251 | |
164 | serge | 252 | |
377 | serge | 253 | cmp [eax+SRV.magic], ' SRV' |
254 | jne .fail |
||
164 | serge | 255 | |
256 | |||
377 | serge | 257 | jne .fail |
164 | serge | 258 | |
259 | |||
419 | serge | 260 | ; add [ebx+output], new_app_base |
261 | |||
164 | serge | 262 | |
377 | serge | 263 | ret |
164 | serge | 264 | .fail: |
265 | or eax, -1 |
||
377 | serge | 266 | ret |
164 | serge | 267 | |
268 | |||
269 | restore io_code |
||
270 | restore input |
||
271 | restore inp_size |
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272 | restore output |
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273 | restore out_size |
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274 | |||
275 | |||
276 | proc get_service stdcall, sz_name:dword |
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277 | mov eax, [sz_name] |
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188 | serge | 278 | test eax, eax |
279 | jnz @F |
||
280 | ret |
||
281 | @@: |
||
164 | serge | 282 | mov edx, [srv.fd] |
278 | serge | 283 | @@: |
188 | serge | 284 | cmp edx, srv.fd-SRV_FD_OFFSET |
278 | serge | 285 | je .not_load |
286 | |||
287 | |||
288 | test eax, eax |
||
188 | serge | 289 | je .ok |
290 | |||
164 | serge | 291 | |
278 | serge | 292 | jmp @B |
293 | .not_load: |
||
164 | serge | 294 | pop ebp |
346 | diamond | 295 | jmp load_driver |
296 | .ok: |
||
164 | serge | 297 | mov eax, edx |
278 | serge | 298 | ret |
188 | serge | 299 | endp |
164 | serge | 300 | |
301 | |||
302 | reg_service: |
||
278 | serge | 303 | .sz_name equ esp+4 |
304 | .handler equ esp+8 |
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305 | mov eax, [.sz_name] |
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306 | test eax, eax |
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164 | serge | 307 | jz .fail |
308 | |||
309 | |||
278 | serge | 310 | test ebx, ebx |
164 | serge | 311 | jz .fail |
312 | |||
313 | |||
278 | serge | 314 | call malloc ;call alloc_service |
315 | test eax, eax |
||
164 | serge | 316 | jz .fail |
317 | |||
318 | |||
319 | mov esi, [.sz_name] |
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278 | serge | 320 | mov ecx, 16/4 |
321 | rep movsd |
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322 | |||
164 | serge | 323 | |
278 | serge | 324 | mov [eax+SRV.size], SRV_SIZE |
325 | |||
326 | |||
327 | mov edx, [ebx+SRV.fd] |
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328 | mov [eax+SRV.fd], edx |
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329 | mov [eax+SRV.bk], ebx |
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330 | mov [ebx+SRV.fd], eax |
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331 | mov [edx+SRV.bk], eax |
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332 | |||
333 | |||
334 | mov [eax+SRV.srv_proc], ecx |
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335 | ret 8 |
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281 | serge | 336 | .fail: |
164 | serge | 337 | xor eax, eax |
338 | ret 8 |
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281 | serge | 339 | |
164 | serge | 340 | |
341 | proc get_proc stdcall, exp:dword, sz_name:dword |
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342 | |||
343 | |||
344 | .next: |
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345 | mov eax, [edx] |
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346 | test eax, eax |
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347 | jz .end |
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348 | |||
349 | |||
350 | stdcall strncmp, eax, [sz_name], 16 |
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351 | pop edx |
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352 | test eax, eax |
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353 | jz .ok |
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354 | |||
355 | |||
356 | jmp .next |
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357 | .ok: |
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358 | mov eax, [edx+4] |
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359 | .end: |
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360 | ret |
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361 | endp |
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362 | |||
363 | |||
364 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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365 | |||
366 | |||
367 | stdcall strncmp, [pSym], [sz_sym], 8 |
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368 | test eax,eax |
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369 | jz .ok |
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370 | add [pSym], 18 |
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371 | dec [count] |
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372 | jnz @b |
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373 | xor eax, eax |
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374 | ret |
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375 | .ok: |
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376 | mov ebx, [pSym] |
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377 | mov eax, [ebx+8] |
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378 | ret |
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379 | endp |
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380 | |||
381 | |||
382 | proc get_curr_task |
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188 | serge | 383 | mov eax,[CURRENT_TASK] |
384 | shl eax, 8 |
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385 | ret |
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386 | endp |
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387 | |||
164 | serge | 388 | |
188 | serge | 389 | proc get_fileinfo stdcall, file_name:dword, info:dword |
390 | locals |
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391 | cmd dd ? |
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392 | offset dd ? |
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393 | dd ? |
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394 | count dd ? |
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395 | buff dd ? |
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396 | db ? |
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397 | name dd ? |
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398 | endl |
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399 | |||
164 | serge | 400 | |
188 | serge | 401 | mov ebx, [file_name] |
402 | ; sub ebx, new_app_base |
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419 | serge | 403 | mov ecx, [info] |
188 | serge | 404 | ; sub ecx, new_app_base |
419 | serge | 405 | |
164 | serge | 406 | |
188 | serge | 407 | mov [offset], eax |
408 | mov [offset+4], eax |
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409 | mov [count], eax |
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410 | mov [buff], ecx |
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411 | mov byte [buff+4], al |
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412 | mov [name], ebx |
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413 | |||
164 | serge | 414 | |
188 | serge | 415 | lea ebx, [cmd] |
416 | ; sub ebx, new_app_base |
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419 | serge | 417 | int 0x40 |
188 | serge | 418 | ret |
419 | endp |
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420 | |||
164 | serge | 421 | |
188 | serge | 422 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
423 | bytes:dword |
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424 | locals |
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425 | cmd dd ? |
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426 | offset dd ? |
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427 | dd ? |
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428 | count dd ? |
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429 | buff dd ? |
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430 | db ? |
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431 | name dd ? |
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432 | endl |
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433 | |||
164 | serge | 434 | |
188 | serge | 435 | mov ebx, [file_name] |
436 | mov ecx, [off] |
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437 | mov edx, [bytes] |
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438 | mov esi, [buffer] |
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439 | ; sub ebx, new_app_base |
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419 | serge | 440 | ; sub esi, new_app_base |
441 | |||
164 | serge | 442 | |
188 | serge | 443 | mov [offset], ecx |
444 | mov [offset+4], eax |
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445 | mov [count], edx |
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446 | mov [buff], esi |
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447 | mov byte [buff+4], al |
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448 | mov [name], ebx |
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449 | |||
450 | |||
451 | lea ebx, [cmd] |
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452 | ; sub ebx, new_app_base |
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419 | serge | 453 | int 0x40 |
188 | serge | 454 | ret |
455 | endp |
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456 | |||
457 | |||
363 | serge | 458 | ; allocate kernel memory and loads the specified file |
459 | ; |
||
460 | ; param |
||
461 | ; file_name= full path to file |
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462 | ; |
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463 | ; retval |
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464 | ; eax= file image in kernel memory |
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465 | ; ebx= size of file |
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466 | ; |
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467 | ; warging |
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468 | ; You mast call kernel_free() to delete each file |
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469 | ; loaded by the load_file() function |
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470 | |||
471 | |||
188 | serge | 472 | proc load_file stdcall, file_name:dword |
473 | locals |
||
474 | attr dd ? |
||
475 | flags dd ? |
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476 | cr_time dd ? |
||
477 | cr_date dd ? |
||
478 | acc_time dd ? |
||
479 | acc_date dd ? |
||
480 | mod_time dd ? |
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481 | mod_date dd ? |
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482 | file_size dd ? |
||
483 | |||
484 | |||
485 | file2 dd ? |
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211 | serge | 486 | endl |
188 | serge | 487 | |
488 | |||
489 | stdcall get_fileinfo, [file_name], eax |
||
490 | test eax, eax |
||
164 | serge | 491 | jnz .fail |
188 | serge | 492 | |
164 | serge | 493 | |
206 | serge | 494 | cmp eax, 1024*1024*16 |
237 | serge | 495 | ja .fail |
496 | |||
206 | serge | 497 | |
188 | serge | 498 | mov [file], eax |
499 | |||
164 | serge | 500 | |
188 | serge | 501 | cmp ebx, [file_size] |
502 | jne .cleanup |
||
503 | |||
211 | serge | 504 | |
188 | serge | 505 | cmp dword [eax], 0x4B43504B |
211 | serge | 506 | jne .exit |
507 | mov ebx, [eax+4] |
||
237 | serge | 508 | mov [file_size], ebx |
509 | stdcall kernel_alloc, ebx |
||
510 | |||
211 | serge | 511 | |
512 | jz .cleanup |
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513 | |||
514 | |||
515 | stdcall unpack, [file], eax |
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516 | stdcall kernel_free, [file] |
||
517 | mov eax, [file2] |
||
518 | mov ebx, [file_size] |
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237 | serge | 519 | .exit: |
211 | serge | 520 | push eax |
269 | serge | 521 | lea edi, [eax+ebx] ;cleanup remain space |
522 | mov ecx, 4096 ;from file end |
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357 | serge | 523 | and ebx, 4095 |
524 | sub ecx, ebx |
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269 | serge | 525 | xor eax, eax |
526 | cld |
||
527 | rep stosb |
||
528 | mov ebx, [file_size] |
||
357 | serge | 529 | pop eax |
269 | serge | 530 | ret |
188 | serge | 531 | .cleanup: |
532 | stdcall kernel_free, [file] |
||
533 | .fail: |
||
534 | xor eax, eax |
||
535 | xor ebx, ebx |
||
237 | serge | 536 | ret |
188 | serge | 537 | endp |
538 | |||
164 | serge | 539 | |
188 | serge | 540 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
541 | |||
542 | |||
543 | mov edx, [imports] |
||
544 | test edx, edx |
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198 | serge | 545 | jz .end |
546 | mov edx, [edx] |
||
188 | serge | 547 | test edx, edx |
548 | jz .end |
||
549 | .next: |
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550 | mov eax, [edx] |
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551 | test eax, eax |
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164 | serge | 552 | jz .next_table |
188 | serge | 553 | |
164 | serge | 554 | |
188 | serge | 555 | stdcall strncmp, eax, [proc_name], 16 |
556 | pop edx |
||
557 | test eax, eax |
||
558 | jz .ok |
||
559 | |||
164 | serge | 560 | |
188 | serge | 561 | jmp .next |
562 | .next_table: |
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563 | add [imports], 4 |
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564 | jmp .look_up |
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565 | .ok: |
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566 | mov eax, [edx+4] |
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567 | ret |
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568 | .end: |
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569 | xor eax, eax |
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570 | ret |
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571 | endp |
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572 | |||
164 | serge | 573 | |
188 | serge | 574 | proc fix_coff_symbols stdcall, sec:dword, symbols:dword,\ |
575 | sym_count:dword, strings:dword, imports:dword |
||
576 | locals |
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577 | retval dd ? |
||
578 | endl |
||
579 | |||
164 | serge | 580 | |
188 | serge | 581 | mov [retval], 1 |
582 | .fix: |
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583 | movzx ebx, [edi+CSYM.SectionNumber] |
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584 | test ebx, ebx |
||
585 | jnz .internal |
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586 | mov eax, dword [edi+CSYM.Name] |
||
587 | test eax, eax |
||
588 | jnz @F |
||
589 | |||
164 | serge | 590 | |
188 | serge | 591 | add edi, [strings] |
592 | @@: |
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593 | push edi |
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594 | stdcall get_proc_ex, edi,[imports] |
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595 | pop edi |
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596 | |||
164 | serge | 597 | |
188 | serge | 598 | test eax, eax |
599 | jnz @F |
||
600 | |||
164 | serge | 601 | |
188 | serge | 602 | call sys_msg_board_str |
603 | mov esi, edi |
||
604 | call sys_msg_board_str |
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605 | mov esi, msg_CR |
||
606 | call sys_msg_board_str |
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607 | |||
164 | serge | 608 | |
188 | serge | 609 | @@: |
610 | mov edi, [symbols] |
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611 | mov [edi+CSYM.Value], eax |
||
612 | jmp .next |
||
613 | .internal: |
||
614 | dec ebx |
||
615 | shl ebx, 3 |
||
616 | lea ebx, [ebx+ebx*4] |
||
617 | add ebx, [sec] |
||
618 | |||
619 | |||
620 | add [edi+CSYM.Value], eax |
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621 | .next: |
||
622 | add edi, CSYM_SIZE |
||
623 | mov [symbols], edi |
||
624 | dec [sym_count] |
||
625 | jnz .fix |
||
626 | mov eax, [retval] |
||
627 | ret |
||
628 | endp |
||
164 | serge | 629 | |
630 | |||
631 | proc fix_coff_relocs stdcall, coff:dword, sec:dword, sym:dword |
||
188 | serge | 632 | locals |
164 | serge | 633 | n_sec dd ? |
188 | serge | 634 | endl |
164 | serge | 635 | |
636 | |||
188 | serge | 637 | movzx ebx, [eax+CFH.nSections] |
638 | mov [n_sec], ebx |
||
639 | .fix_sec: |
||
640 | mov esi, [sec] |
||
641 | mov edi, [esi+CFS.PtrReloc] |
||
164 | serge | 642 | add edi, [coff] |
188 | serge | 643 | |
164 | serge | 644 | |
188 | serge | 645 | test ecx, ecx |
646 | jz .next |
||
647 | .next_reloc: |
||
648 | mov ebx, [edi+CRELOC.SymIndex] |
||
164 | serge | 649 | add ebx,ebx |
650 | lea ebx,[ebx+ebx*8] |
||
651 | add ebx, [sym] |
||
188 | serge | 652 | |
164 | serge | 653 | |
188 | serge | 654 | |
164 | serge | 655 | |
188 | serge | 656 | je .dir_32 |
657 | |||
164 | serge | 658 | |
188 | serge | 659 | jne .next_reloc |
660 | .rel_32: |
||
661 | mov eax, [edi+CRELOC.VirtualAddress] |
||
164 | serge | 662 | add eax, [esi+CFS.VirtualAddress] |
188 | serge | 663 | sub edx, eax |
664 | sub edx, 4 |
||
665 | jmp .fix |
||
666 | .dir_32: |
||
667 | mov eax, [edi+CRELOC.VirtualAddress] |
||
668 | add eax, [esi+CFS.VirtualAddress] |
||
669 | .fix: |
||
670 | add [eax], edx |
||
671 | add edi, 10 |
||
672 | dec ecx |
||
673 | jnz .next_reloc |
||
674 | .next: |
||
675 | add [sec], COFF_SECTION_SIZE |
||
206 | serge | 676 | dec [n_sec] |
188 | serge | 677 | jnz .fix_sec |
678 | .exit: |
||
164 | serge | 679 | ret |
680 | endp |
||
681 | |||
682 | |||
188 | serge | 683 | proc load_driver stdcall, driver_name:dword |
346 | diamond | 684 | locals |
188 | serge | 685 | coff dd ? |
686 | sym dd ? |
||
687 | strings dd ? |
||
688 | img_size dd ? |
||
689 | img_base dd ? |
||
690 | start dd ? |
||
691 | |||
692 | |||
693 | dd ? |
||
694 | file_name rb 14+16+4+1 ; '/rd/1/drivers/ |
||
346 | diamond | 695 | endl |
188 | serge | 696 | |
697 | |||
417 | serge | 698 | mov dword [edx], '/rd/' |
699 | mov dword [edx+4], '1/dr' |
||
700 | mov dword [edx+8], 'iver' |
||
701 | mov word [edx+12], 's/' |
||
702 | mov esi, [driver_name] |
||
703 | lea edi, [edx+14] |
||
704 | mov ecx, 16 |
||
705 | @@: |
||
346 | diamond | 706 | lodsb |
417 | serge | 707 | test al, al |
708 | jz @f |
||
709 | stosb |
||
710 | loop @b |
||
711 | @@: |
||
346 | diamond | 712 | mov dword [edi], '.obj' |
417 | serge | 713 | mov byte [edi+4], 0 |
714 | stdcall load_file, edx |
||
346 | diamond | 715 | |
214 | serge | 716 | |
188 | serge | 717 | jz .exit |
227 | serge | 718 | |
188 | serge | 719 | |
720 | |||
721 | |||
722 | xor ebx, ebx |
||
723 | |||
724 | |||
725 | @@: |
||
726 | add ebx, [edx+CFS.SizeOfRawData] |
||
727 | add ebx, 15 |
||
728 | and ebx, not 15 |
||
729 | add edx, COFF_SECTION_SIZE |
||
206 | serge | 730 | dec ecx |
188 | serge | 731 | jnz @B |
732 | mov [img_size], ebx |
||
733 | |||
734 | |||
735 | test eax, eax |
||
736 | jz .fail |
||
737 | mov [img_base], eax |
||
738 | |||
739 | |||
740 | xor eax, eax |
||
741 | mov ecx, [img_size] |
||
742 | add ecx, 4095 |
||
743 | and ecx, not 4095 |
||
744 | shr ecx, 2 |
||
745 | cld |
||
746 | rep stosd |
||
747 | |||
748 | |||
749 | movzx ebx, [edx+CFH.nSections] |
||
750 | mov edi, [img_base] |
||
751 | lea eax, [edx+20] |
||
752 | @@: |
||
753 | mov [eax+CFS.VirtualAddress], edi |
||
754 | mov esi, [eax+CFS.PtrRawData] |
||
755 | test esi, esi |
||
756 | jnz .copy |
||
757 | add edi, [eax+CFS.SizeOfRawData] |
||
758 | jmp .next |
||
759 | .copy: |
||
760 | add esi, edx |
||
761 | mov ecx, [eax+CFS.SizeOfRawData] |
||
762 | cld |
||
763 | rep movsb |
||
764 | .next: |
||
765 | add edi, 15 |
||
766 | and edi, not 15 |
||
767 | add eax, COFF_SECTION_SIZE |
||
206 | serge | 768 | dec ebx |
188 | serge | 769 | jnz @B |
770 | |||
771 | |||
772 | add ebx, edx |
||
773 | mov [sym], ebx |
||
774 | mov ecx, [edx+CFH.nSymbols] |
||
775 | add ecx,ecx |
||
776 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
777 | add ecx, [sym] |
||
778 | mov [strings], ecx |
||
779 | |||
780 | |||
781 | mov dword [ebx], kernel_export |
||
782 | mov dword [ebx+4], 0 |
||
783 | lea eax, [edx+20] |
||
784 | |||
785 | |||
786 | [strings], ebx |
||
787 | test eax, eax |
||
788 | jz .link_fail |
||
227 | serge | 789 | |
188 | serge | 790 | |
791 | add ebx, 20 |
||
792 | stdcall fix_coff_relocs, [coff], ebx, [sym] |
||
793 | |||
794 | |||
795 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szVersion |
||
227 | serge | 796 | test eax, eax |
797 | jz .link_fail |
||
798 | |||
799 | |||
800 | shr eax, 16 |
||
801 | cmp eax, DRV_COMPAT |
||
802 | jb .ver_fail |
||
803 | |||
804 | |||
805 | ja .ver_fail |
||
806 | |||
807 | |||
808 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szSTART |
||
188 | serge | 809 | mov [start], eax |
810 | |||
811 | |||
812 | |||
813 | |||
814 | stdcall ebx, DRV_ENTRY |
||
214 | serge | 815 | test eax, eax |
188 | serge | 816 | jnz .ok |
817 | |||
818 | |||
819 | xor eax, eax |
||
820 | ret |
||
821 | .ok: |
||
822 | mov ebx, [img_base] |
||
823 | mov [eax+SRV.base], ebx |
||
824 | mov ecx, [start] |
||
214 | serge | 825 | mov [eax+SRV.entry], ecx |
826 | ret |
||
188 | serge | 827 | |
227 | serge | 828 | |
829 | mov esi, msg_CR |
||
830 | call sys_msg_board_str |
||
831 | mov esi, [driver_name] |
||
346 | diamond | 832 | call sys_msg_board_str |
227 | serge | 833 | mov esi, msg_CR |
834 | call sys_msg_board_str |
||
835 | mov esi, msg_version |
||
836 | call sys_msg_board_str |
||
837 | mov esi, msg_www |
||
838 | call sys_msg_board_str |
||
839 | jmp .cleanup |
||
840 | |||
841 | |||
842 | mov esi, msg_module |
||
843 | call sys_msg_board_str |
||
844 | mov esi, [driver_name] |
||
346 | diamond | 845 | call sys_msg_board_str |
227 | serge | 846 | mov esi, msg_CR |
847 | call sys_msg_board_str |
||
848 | .cleanup: |
||
849 | stdcall kernel_free,[img_base] |
||
850 | .fail: |
||
188 | serge | 851 | stdcall kernel_free, [coff] |
227 | serge | 852 | .exit: |
853 | xor eax, eax |
||
188 | serge | 854 | ret |
855 | endp |
||
164 | serge | 856 | |
857 | |||
198 | serge | 858 | proc load_library stdcall, file_name:dword |
859 | locals |
||
860 | coff dd ? |
||
861 | sym dd ? |
||
862 | strings dd ? |
||
863 | img_size dd ? |
||
864 | img_base dd ? |
||
865 | exports dd ? |
||
866 | endl |
||
867 | |||
868 | |||
869 | |||
870 | |||
871 | test eax, eax |
||
872 | jz .fail |
||
873 | |||
874 | |||
875 | movzx ecx, [eax+CFH.nSections] |
||
876 | xor ebx, ebx |
||
877 | |||
878 | |||
879 | @@: |
||
880 | add ebx, [edx+CFS.SizeOfRawData] |
||
881 | add ebx, 15 |
||
882 | and ebx, not 15 |
||
883 | add edx, COFF_SECTION_SIZE |
||
206 | serge | 884 | dec ecx |
198 | serge | 885 | jnz @B |
886 | mov [img_size], ebx |
||
887 | |||
888 | |||
889 | stdcall user_alloc, [img_size] |
||
890 | |||
891 | |||
892 | jz .fail |
||
893 | mov [img_base], eax |
||
894 | |||
895 | |||
896 | movzx ebx, [edx+CFH.nSections] |
||
897 | mov edi, [img_base] |
||
898 | lea eax, [edx+20] |
||
899 | @@: |
||
900 | mov [eax+CFS.VirtualAddress], edi |
||
901 | mov esi, [eax+CFS.PtrRawData] |
||
902 | test esi, esi |
||
903 | jnz .copy |
||
904 | add edi, [eax+CFS.SizeOfRawData] |
||
905 | jmp .next |
||
906 | .copy: |
||
907 | add esi, edx |
||
908 | ; add edi, new_app_base |
||
419 | serge | 909 | mov ecx, [eax+CFS.SizeOfRawData] |
198 | serge | 910 | cld |
911 | rep movsb |
||
912 | .next: |
||
913 | add edi, 15 ;-new_app_base |
||
419 | serge | 914 | and edi, -16 |
915 | add eax, COFF_SECTION_SIZE |
||
206 | serge | 916 | dec ebx |
198 | serge | 917 | jnz @B |
918 | |||
919 | |||
920 | add ebx, edx |
||
921 | mov [sym], ebx |
||
922 | mov ecx, [edx+CFH.nSymbols] |
||
923 | add ecx,ecx |
||
924 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
925 | add ecx, [sym] |
||
926 | mov [strings], ecx |
||
927 | |||
928 | |||
929 | |||
930 | |||
931 | [strings], dword 0 |
||
932 | test eax, eax |
||
933 | jnz @F |
||
934 | |||
935 | |||
936 | mov edx, [coff] |
||
937 | movzx ebx, [edx+CFH.nSections] |
||
938 | mov edi, new_app_base |
||
939 | lea eax, [edx+20] |
||
940 | @@: |
||
941 | add [eax+CFS.VirtualAddress], edi ;patch user space offset |
||
942 | add eax, COFF_SECTION_SIZE |
||
206 | serge | 943 | dec ebx |
198 | serge | 944 | jnz @B |
945 | |||
946 | |||
947 | stdcall fix_coff_relocs, [coff], edx, [sym] |
||
948 | |||
949 | |||
950 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szEXPORTS |
||
951 | mov [exports], eax |
||
952 | |||
953 | |||
954 | mov eax, [exports] |
||
955 | ret |
||
956 | .fail: |
||
957 | xor eax, eax |
||
958 | ret |
||
959 | endp |
||
960 | |||
961 | |||
214 | serge | 962 | proc stop_all_services |
963 | |||
278 | serge | 964 | |
965 | .next: |
||
214 | serge | 966 | cmp edx, srv.fd-SRV_FD_OFFSET |
278 | serge | 967 | je .done |
968 | cmp [edx+SRV.magic], ' SRV' |
||
969 | jne .next |
||
227 | serge | 970 | cmp [edx+SRV.size], SRV_SIZE |
278 | serge | 971 | jne .next |
227 | serge | 972 | mov ebx, [edx+SRV.entry] |
278 | serge | 973 | mov edx, [edx+SRV.fd] |
974 | push edx |
||
975 | stdcall ebx, dword -1 |
||
214 | serge | 976 | pop edx |
278 | serge | 977 | jmp .next |
214 | serge | 978 | .done: |
278 | serge | 979 | ret |
980 | endp |
||
214 | serge | 981 | |
198 | serge | 982 | |
281 | serge | 983 | ; eax= size |
291 | serge | 984 | ; ebx= pid |
985 | |||
214 | serge | 986 | |
281 | serge | 987 | create_kernel_object: |
988 | |||
989 | |||
990 | call malloc |
||
991 | pop ebx |
||
992 | test eax, eax |
||
993 | jz .fail |
||
994 | |||
995 | |||
427 | serge | 996 | add ecx, APP_OBJ_OFFSET |
997 | |||
281 | serge | 998 | |
345 | serge | 999 | cli |
1000 | mov edx, [ecx+APPOBJ.fd] |
||
281 | serge | 1001 | mov [eax+APPOBJ.fd], edx |
1002 | mov [eax+APPOBJ.bk], ecx |
||
1003 | mov [eax+APPOBJ.pid], ebx |
||
1004 | |||
1005 | |||
1006 | mov [edx+APPOBJ.bk], eax |
||
1007 | popfd |
||
345 | serge | 1008 | .fail: |
281 | serge | 1009 | ret |
1010 | |||
1011 | |||
1012 | ; eax= object |
||
1013 | |||
1014 | |||
1015 | destroy_kernel_object: |
||
1016 | |||
1017 | |||
345 | serge | 1018 | cli |
1019 | mov ebx, [eax+APPOBJ.fd] |
||
281 | serge | 1020 | mov ecx, [eax+APPOBJ.bk] |
1021 | mov [ebx+APPOBJ.bk], ecx |
||
1022 | mov [ecx+APPOBJ.fd], ebx |
||
1023 | popfd |
||
345 | serge | 1024 | |
281 | serge | 1025 | |
1026 | mov [eax], edx |
||
1027 | mov [eax+4], edx |
||
1028 | mov [eax+8], edx |
||
1029 | mov [eax+12], edx |
||
1030 | mov [eax+16], edx |
||
1031 | |||
1032 | |||
1033 | ret |
||
1034 | |||
1035 | |||
1036 | |||
427 | serge | 1037 | |
1038 | |||
1039 | |||
1040 | |||
1041 | |||
1042 | pusfd |
||
1043 | pushad |
||
1044 | push IRQ_0 |
||
1045 | jmp .master |
||
1046 | .irq_1: |
||
1047 | pusfd |
||
1048 | pushad |
||
1049 | push IRQ_1 |
||
1050 | jmp .master |
||
1051 | |||
1052 | |||
1053 | mov ax, app_data |
||
1054 | mov ds, eax |
||
1055 | mov es, eax |
||
1056 | mov ebx, [esp+4] ;IRQ_xx |
||
1057 | mov eax, [irq_handlers+ebx+4] |
||
1058 | call intr_handler |
||
1059 | mov ecx, [esp+4] |
||
1060 | cmp [irq_actids+ecx*4], 0 |
||
1061 | je @F |
||
1062 | in al, 0x21 |
||
1063 | bts eax, ecx |
||
1064 | out 0x21, al |
||
1065 | mov al, 0x20 |
||
1066 | out 0x20, al |
||
1067 | jmp .restart |
||
1068 | |||
1069 | |||
1070 | mov ax, app_data |
||
1071 | mov ds, eax |
||
1072 | mov es, eax |
||
1073 | mov ebx, [esp+4] ;IRQ_xx |
||
1074 | mov eax, [irq_handlers+ebx+4] |
||
1075 | call intr_handler |
||
1076 | mov ecx, [esp+4] |
||
1077 | sub ecx, 8 |
||
1078 | cmp [irq_actids+ecx*4], 0 |
||
1079 | je @F |
||
1080 | in al, 0xA1 |
||
1081 | bts eax, ecx |
||
1082 | out 0xA1, al |
||
1083 | mov al, 0x20 |
||
1084 | out 0xA0, al |
||
1085 | out 0x20, al |
||
1086 | .restart: |
||
1087 | mov ebx, [next_slot] |
||
1088 | test ebx, ebx |
||
1089 | jz @F |
||
1090 | mov [next_task],0 |
||
1091 | mov esi, [prev_slot] |
||
1092 | call do_change_task |
||
1093 | add esp, 4 |
||
1094 | iretd |
||
1095 | |||
1096 | |||
1097 |