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