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Rev | Author | Line No. | Line |
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425 | victor | 1 | $Revision: 557 $ |
431 | serge | 2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
3 | ;; ;; |
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4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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5 | ;; Distributed under terms of the GNU General Public License ;; |
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6 | ;; ;; |
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7 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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164 | serge | 8 | |
465 | serge | 9 | DRV_COMPAT equ 5 ;minimal required drivers version |
10 | DRV_CURRENT equ 5 ;current drivers model version |
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214 | serge | 11 | |
227 | serge | 12 | DRV_VERSION equ (DRV_COMPAT shl 16) or DRV_CURRENT |
13 | |||
164 | serge | 14 | align 4 |
15 | proc attach_int_handler stdcall, irq:dword, handler:dword |
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16 | |||
17 | mov ebx, [irq] ;irq num |
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18 | test ebx, ebx |
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19 | jz .err |
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20 | mov eax, [handler] |
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21 | test eax, eax |
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22 | jz .err |
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23 | mov [irq_tab+ebx*4], eax |
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24 | stdcall enable_irq, [irq] |
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25 | ret |
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26 | .err: |
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27 | xor eax, eax |
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28 | ret |
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29 | endp |
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30 | |||
31 | align 4 |
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32 | proc detach_int_handler |
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33 | |||
34 | ret |
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35 | endp |
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36 | |||
37 | align 4 |
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38 | proc enable_irq stdcall, irq_line:dword |
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39 | mov ebx, [irq_line] |
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40 | mov edx, 0x21 |
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41 | cmp ebx, 8 |
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42 | jb @F |
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43 | mov edx, 0xA1 |
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44 | sub ebx,8 |
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45 | @@: |
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46 | in al,dx |
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47 | btr eax, ebx |
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48 | out dx, al |
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49 | ret |
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50 | endp |
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51 | |||
52 | align 16 |
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53 | ;; proc irq_serv |
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54 | |||
55 | irq_serv: |
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56 | |||
57 | .irq_1: |
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58 | push eax |
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59 | mov eax, 1 |
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60 | jmp .main |
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61 | align 4 |
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62 | .irq_2: |
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63 | push eax |
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64 | mov eax, 2 |
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65 | jmp .main |
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66 | align 4 |
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67 | .irq_3: |
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68 | push eax |
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69 | mov eax, 3 |
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70 | jmp .main |
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71 | align 4 |
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72 | .irq_4: |
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73 | push eax |
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74 | mov eax, 4 |
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75 | jmp .main |
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76 | align 4 |
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77 | .irq_5: |
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78 | push eax |
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79 | mov eax, 5 |
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80 | jmp .main |
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81 | align 4 |
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82 | .irq_6: |
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83 | push eax |
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84 | mov eax, 6 |
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85 | jmp .main |
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86 | align 4 |
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87 | .irq_7: |
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88 | push eax |
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89 | mov eax, 7 |
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90 | jmp .main |
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91 | align 4 |
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92 | .irq_8: |
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93 | push eax |
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94 | mov eax, 8 |
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95 | jmp .main |
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96 | align 4 |
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97 | .irq_9: |
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98 | push eax |
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99 | mov eax, 9 |
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100 | jmp .main |
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101 | align 4 |
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102 | .irq_10: |
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103 | push eax |
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104 | mov eax, 10 |
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105 | jmp .main |
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106 | align 4 |
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107 | .irq_11: |
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108 | push eax |
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109 | mov eax, 11 |
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110 | jmp .main |
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111 | align 4 |
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112 | .irq_12: |
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113 | push eax |
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114 | mov eax, 12 |
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115 | jmp .main |
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116 | align 4 |
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117 | .irq_13: |
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118 | push eax |
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119 | mov eax, 13 |
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120 | jmp .main |
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121 | align 4 |
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122 | .irq_14: |
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123 | push eax |
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124 | mov eax, 14 |
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125 | jmp .main |
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126 | align 4 |
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127 | .irq_15: |
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128 | push eax |
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129 | mov eax, 15 |
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130 | jmp .main |
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131 | |||
132 | align 16 |
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133 | .main: |
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134 | save_ring3_context |
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465 | serge | 135 | mov bx, app_data ;os_data |
164 | serge | 136 | mov ds, bx |
137 | mov es, bx |
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138 | |||
139 | mov ebx, [irq_tab+eax*4] |
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140 | test ebx, ebx |
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141 | jz .exit |
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142 | |||
143 | call ebx |
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479 | kastigar | 144 | mov [check_idle_semaphore],5 |
164 | serge | 145 | |
146 | .exit: |
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147 | restore_ring3_context |
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148 | |||
149 | cmp eax, 8 |
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150 | mov al, 0x20 |
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151 | jb @f |
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152 | out 0xa0, al |
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153 | @@: |
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154 | out 0x20, al |
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155 | |||
156 | pop eax |
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157 | iret |
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158 | |||
159 | align 4 |
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160 | proc get_notify stdcall, p_ev:dword |
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161 | |||
162 | .wait: |
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465 | serge | 163 | mov ebx,[current_slot] |
164 | test dword [ebx+APPDATA.event_mask],EVENT_NOTIFY |
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164 | serge | 165 | jz @f |
465 | serge | 166 | and dword [ebx+APPDATA.event_mask], not EVENT_NOTIFY |
164 | serge | 167 | mov edi, [p_ev] |
168 | mov dword [edi], EV_INTR |
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465 | serge | 169 | mov eax, [ebx+APPDATA.event] |
164 | serge | 170 | mov dword [edi+4], eax |
171 | ret |
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172 | @@: |
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173 | call change_task |
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174 | jmp .wait |
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175 | endp |
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176 | |||
177 | align 4 |
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178 | proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword |
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179 | xor eax, eax |
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180 | xor ebx, ebx |
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181 | mov ah, byte [bus] |
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182 | mov al, 6 |
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183 | mov bh, byte [devfn] |
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184 | mov bl, byte [reg] |
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185 | call pci_read_reg |
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186 | ret |
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187 | endp |
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188 | |||
189 | align 4 |
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557 | serge | 190 | proc pci_read16 stdcall, bus:dword, devfn:dword, reg:dword |
191 | xor eax, eax |
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192 | xor ebx, ebx |
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193 | mov ah, byte [bus] |
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194 | mov al, 5 |
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195 | mov bh, byte [devfn] |
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196 | mov bl, byte [reg] |
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197 | call pci_read_reg |
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198 | ret |
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199 | endp |
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200 | |||
201 | align 4 |
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164 | serge | 202 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
203 | xor eax, eax |
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204 | xor ebx, ebx |
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205 | mov ah, byte [bus] |
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206 | mov al, 4 |
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207 | mov bh, byte [devfn] |
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208 | mov bl, byte [reg] |
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209 | call pci_read_reg |
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210 | ret |
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211 | endp |
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212 | |||
213 | align 4 |
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214 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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215 | xor eax, eax |
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216 | xor ebx, ebx |
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217 | mov ah, byte [bus] |
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218 | mov al, 8 |
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219 | mov bh, byte [devfn] |
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220 | mov bl, byte [reg] |
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221 | mov ecx, [val] |
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222 | call pci_write_reg |
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223 | ret |
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224 | endp |
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225 | |||
557 | serge | 226 | align 4 |
227 | proc pci_write16 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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228 | xor eax, eax |
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229 | xor ebx, ebx |
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230 | mov ah, byte [bus] |
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231 | mov al, 9 |
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232 | mov bh, byte [devfn] |
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233 | mov bl, byte [reg] |
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234 | mov ecx, [val] |
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235 | call pci_write_reg |
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236 | ret |
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237 | endp |
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238 | |||
164 | serge | 239 | handle equ IOCTL.handle |
240 | io_code equ IOCTL.io_code |
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241 | input equ IOCTL.input |
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242 | inp_size equ IOCTL.inp_size |
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243 | output equ IOCTL.output |
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244 | out_size equ IOCTL.out_size |
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245 | |||
246 | |||
247 | align 4 |
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248 | proc srv_handler stdcall, ioctl:dword |
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249 | mov esi, [ioctl] |
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250 | test esi, esi |
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251 | jz .err |
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252 | |||
253 | mov edi, [esi+handle] |
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254 | cmp [edi+SRV.magic], ' SRV' |
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255 | jne .fail |
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256 | |||
257 | cmp [edi+SRV.size], SRV_SIZE |
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258 | jne .fail |
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259 | |||
260 | stdcall [edi+SRV.srv_proc], esi |
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261 | ret |
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262 | .fail: |
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263 | xor eax, eax |
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264 | not eax |
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265 | mov [esi+output], eax |
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266 | mov [esi+out_size], 4 |
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267 | ret |
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268 | .err: |
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269 | xor eax, eax |
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270 | not eax |
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271 | ret |
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272 | endp |
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273 | |||
377 | serge | 274 | ; param |
275 | ; ebx= io_control |
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276 | ; |
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277 | ; retval |
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278 | ; eax= error code |
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279 | |||
164 | serge | 280 | align 4 |
377 | serge | 281 | srv_handlerEx: |
465 | serge | 282 | cmp ebx, OS_BASE |
283 | jae .fail |
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164 | serge | 284 | |
377 | serge | 285 | mov eax, [ebx+handle] |
286 | cmp [eax+SRV.magic], ' SRV' |
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164 | serge | 287 | jne .fail |
288 | |||
377 | serge | 289 | cmp [eax+SRV.size], SRV_SIZE |
164 | serge | 290 | jne .fail |
291 | |||
377 | serge | 292 | stdcall [eax+SRV.srv_proc], ebx |
164 | serge | 293 | ret |
294 | .fail: |
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377 | serge | 295 | or eax, -1 |
164 | serge | 296 | ret |
297 | |||
298 | restore handle |
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299 | restore io_code |
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300 | restore input |
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301 | restore inp_size |
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302 | restore output |
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303 | restore out_size |
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304 | |||
305 | align 4 |
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306 | proc get_service stdcall, sz_name:dword |
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188 | serge | 307 | mov eax, [sz_name] |
308 | test eax, eax |
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309 | jnz @F |
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310 | ret |
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164 | serge | 311 | @@: |
278 | serge | 312 | mov edx, [srv.fd] |
188 | serge | 313 | @@: |
278 | serge | 314 | cmp edx, srv.fd-SRV_FD_OFFSET |
315 | je .not_load |
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316 | |||
317 | stdcall strncmp, edx, [sz_name], 16 |
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188 | serge | 318 | test eax, eax |
319 | je .ok |
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164 | serge | 320 | |
278 | serge | 321 | mov edx, [edx+SRV.fd] |
322 | jmp @B |
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164 | serge | 323 | .not_load: |
346 | diamond | 324 | pop ebp |
325 | jmp load_driver |
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164 | serge | 326 | .ok: |
278 | serge | 327 | mov eax, edx |
188 | serge | 328 | ret |
164 | serge | 329 | endp |
330 | |||
331 | align 4 |
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278 | serge | 332 | reg_service: |
333 | .sz_name equ esp+4 |
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334 | .handler equ esp+8 |
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335 | mov eax, [.sz_name] |
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164 | serge | 336 | test eax, eax |
337 | jz .fail |
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338 | |||
278 | serge | 339 | mov ebx, [.handler] |
164 | serge | 340 | test ebx, ebx |
341 | jz .fail |
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342 | |||
278 | serge | 343 | mov eax, SRV_SIZE |
344 | call malloc ;call alloc_service |
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164 | serge | 345 | test eax, eax |
346 | jz .fail |
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347 | |||
348 | mov edi, eax |
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278 | serge | 349 | mov esi, [.sz_name] |
350 | mov ecx, 16/4 |
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351 | rep movsd |
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164 | serge | 352 | |
278 | serge | 353 | mov [eax+SRV.magic], ' SRV' |
354 | mov [eax+SRV.size], SRV_SIZE |
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355 | |||
356 | mov ebx, srv.fd-SRV_FD_OFFSET |
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357 | mov edx, [ebx+SRV.fd] |
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358 | mov [eax+SRV.fd], edx |
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359 | mov [eax+SRV.bk], ebx |
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360 | mov [ebx+SRV.fd], eax |
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361 | mov [edx+SRV.bk], eax |
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362 | |||
363 | mov ecx, [.handler] |
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364 | mov [eax+SRV.srv_proc], ecx |
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281 | serge | 365 | ret 8 |
164 | serge | 366 | .fail: |
367 | xor eax, eax |
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281 | serge | 368 | ret 8 |
164 | serge | 369 | |
370 | align 4 |
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371 | proc get_proc stdcall, exp:dword, sz_name:dword |
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372 | |||
373 | mov edx, [exp] |
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374 | .next: |
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375 | mov eax, [edx] |
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376 | test eax, eax |
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377 | jz .end |
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378 | |||
379 | push edx |
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380 | stdcall strncmp, eax, [sz_name], 16 |
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381 | pop edx |
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382 | test eax, eax |
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383 | jz .ok |
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384 | |||
385 | add edx,8 |
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386 | jmp .next |
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387 | .ok: |
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388 | mov eax, [edx+4] |
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389 | .end: |
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390 | ret |
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391 | endp |
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392 | |||
393 | align 4 |
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394 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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395 | |||
396 | @@: |
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397 | stdcall strncmp, [pSym], [sz_sym], 8 |
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398 | test eax,eax |
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399 | jz .ok |
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400 | add [pSym], 18 |
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401 | dec [count] |
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402 | jnz @b |
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403 | xor eax, eax |
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404 | ret |
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405 | .ok: |
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406 | mov ebx, [pSym] |
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407 | mov eax, [ebx+8] |
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408 | ret |
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409 | endp |
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410 | |||
411 | align 4 |
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188 | serge | 412 | proc get_curr_task |
413 | mov eax,[CURRENT_TASK] |
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414 | shl eax, 8 |
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415 | ret |
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416 | endp |
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164 | serge | 417 | |
188 | serge | 418 | align 4 |
419 | proc get_fileinfo stdcall, file_name:dword, info: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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164 | serge | 429 | |
188 | serge | 430 | xor eax, eax |
431 | mov ebx, [file_name] |
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465 | serge | 432 | ; sub ebx, new_app_base |
188 | serge | 433 | mov ecx, [info] |
465 | serge | 434 | ; sub ecx, new_app_base |
164 | serge | 435 | |
188 | serge | 436 | mov [cmd], 5 |
437 | mov [offset], eax |
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438 | mov [offset+4], eax |
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439 | mov [count], eax |
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440 | mov [buff], ecx |
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441 | mov byte [buff+4], al |
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442 | mov [name], ebx |
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164 | serge | 443 | |
188 | serge | 444 | mov eax, 70 |
445 | lea ebx, [cmd] |
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465 | serge | 446 | ; sub ebx, new_app_base |
188 | serge | 447 | int 0x40 |
448 | ret |
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449 | endp |
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164 | serge | 450 | |
188 | serge | 451 | align 4 |
452 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
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453 | bytes:dword |
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454 | locals |
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455 | cmd dd ? |
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456 | offset dd ? |
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457 | dd ? |
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458 | count dd ? |
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459 | buff dd ? |
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460 | db ? |
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461 | name dd ? |
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462 | endl |
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164 | serge | 463 | |
188 | serge | 464 | xor eax, eax |
465 | mov ebx, [file_name] |
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466 | mov ecx, [off] |
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467 | mov edx, [bytes] |
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468 | mov esi, [buffer] |
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164 | serge | 469 | |
188 | serge | 470 | mov [cmd], eax |
471 | mov [offset], ecx |
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472 | mov [offset+4], eax |
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473 | mov [count], edx |
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474 | mov [buff], esi |
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475 | mov byte [buff+4], al |
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476 | mov [name], ebx |
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477 | |||
429 | serge | 478 | pushad |
479 | push eax |
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480 | lea eax, [cmd] |
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481 | call file_system_lfn |
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482 | pop eax |
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483 | popad |
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188 | serge | 484 | ret |
485 | endp |
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486 | |||
363 | serge | 487 | ; description |
488 | ; allocate kernel memory and loads the specified file |
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489 | ; |
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490 | ; param |
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491 | ; file_name= full path to file |
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492 | ; |
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493 | ; retval |
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494 | ; eax= file image in kernel memory |
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495 | ; ebx= size of file |
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496 | ; |
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497 | ; warging |
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498 | ; You mast call kernel_free() to delete each file |
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499 | ; loaded by the load_file() function |
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500 | |||
188 | serge | 501 | align 4 |
502 | proc load_file stdcall, file_name:dword |
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503 | locals |
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504 | attr dd ? |
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505 | flags dd ? |
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506 | cr_time dd ? |
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507 | cr_date dd ? |
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508 | acc_time dd ? |
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509 | acc_date dd ? |
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510 | mod_time dd ? |
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511 | mod_date dd ? |
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512 | file_size dd ? |
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513 | |||
514 | file dd ? |
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211 | serge | 515 | file2 dd ? |
188 | serge | 516 | endl |
517 | |||
518 | lea eax, [attr] |
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519 | stdcall get_fileinfo, [file_name], eax |
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164 | serge | 520 | test eax, eax |
188 | serge | 521 | jnz .fail |
164 | serge | 522 | |
206 | serge | 523 | mov eax, [file_size] |
237 | serge | 524 | cmp eax, 1024*1024*16 |
525 | ja .fail |
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206 | serge | 526 | |
188 | serge | 527 | stdcall kernel_alloc, [file_size] |
528 | mov [file], eax |
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164 | serge | 529 | |
188 | serge | 530 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
531 | cmp ebx, [file_size] |
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532 | jne .cleanup |
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211 | serge | 533 | |
188 | serge | 534 | mov eax, [file] |
211 | serge | 535 | cmp dword [eax], 0x4B43504B |
536 | jne .exit |
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237 | serge | 537 | mov ebx, [eax+4] |
538 | mov [file_size], ebx |
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539 | stdcall kernel_alloc, ebx |
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211 | serge | 540 | |
541 | test eax, eax |
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542 | jz .cleanup |
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543 | |||
544 | mov [file2], eax |
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545 | stdcall unpack, [file], eax |
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546 | stdcall kernel_free, [file] |
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547 | mov eax, [file2] |
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237 | serge | 548 | mov ebx, [file_size] |
211 | serge | 549 | .exit: |
269 | serge | 550 | push eax |
551 | lea edi, [eax+ebx] ;cleanup remain space |
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357 | serge | 552 | mov ecx, 4096 ;from file end |
553 | and ebx, 4095 |
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521 | diamond | 554 | jz @f |
269 | serge | 555 | sub ecx, ebx |
556 | xor eax, eax |
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557 | cld |
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558 | rep stosb |
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521 | diamond | 559 | @@: |
357 | serge | 560 | mov ebx, [file_size] |
269 | serge | 561 | pop eax |
188 | serge | 562 | ret |
563 | .cleanup: |
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564 | stdcall kernel_free, [file] |
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565 | .fail: |
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566 | xor eax, eax |
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237 | serge | 567 | xor ebx, ebx |
188 | serge | 568 | ret |
569 | endp |
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164 | serge | 570 | |
188 | serge | 571 | align 4 |
572 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
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573 | |||
574 | .look_up: |
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575 | mov edx, [imports] |
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198 | serge | 576 | test edx, edx |
577 | jz .end |
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188 | serge | 578 | mov edx, [edx] |
579 | test edx, edx |
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580 | jz .end |
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581 | .next: |
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582 | mov eax, [edx] |
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164 | serge | 583 | test eax, eax |
188 | serge | 584 | jz .next_table |
164 | serge | 585 | |
188 | serge | 586 | push edx |
587 | stdcall strncmp, eax, [proc_name], 16 |
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588 | pop edx |
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589 | test eax, eax |
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590 | jz .ok |
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164 | serge | 591 | |
188 | serge | 592 | add edx,8 |
593 | jmp .next |
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594 | .next_table: |
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595 | add [imports], 4 |
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596 | jmp .look_up |
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597 | .ok: |
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598 | mov eax, [edx+4] |
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599 | ret |
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600 | .end: |
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601 | xor eax, eax |
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602 | ret |
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603 | endp |
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164 | serge | 604 | |
188 | serge | 605 | align 4 |
606 | proc fix_coff_symbols stdcall, sec:dword, symbols:dword,\ |
||
607 | sym_count:dword, strings:dword, imports:dword |
||
608 | locals |
||
609 | retval dd ? |
||
610 | endl |
||
164 | serge | 611 | |
188 | serge | 612 | mov edi, [symbols] |
613 | mov [retval], 1 |
||
614 | .fix: |
||
615 | movzx ebx, [edi+CSYM.SectionNumber] |
||
616 | test ebx, ebx |
||
617 | jnz .internal |
||
618 | mov eax, dword [edi+CSYM.Name] |
||
619 | test eax, eax |
||
620 | jnz @F |
||
164 | serge | 621 | |
188 | serge | 622 | mov edi, [edi+4] |
623 | add edi, [strings] |
||
624 | @@: |
||
625 | push edi |
||
626 | stdcall get_proc_ex, edi,[imports] |
||
627 | pop edi |
||
164 | serge | 628 | |
188 | serge | 629 | xor ebx, ebx |
630 | test eax, eax |
||
631 | jnz @F |
||
164 | serge | 632 | |
188 | serge | 633 | mov esi, msg_unresolved |
634 | call sys_msg_board_str |
||
635 | mov esi, edi |
||
636 | call sys_msg_board_str |
||
637 | mov esi, msg_CR |
||
638 | call sys_msg_board_str |
||
164 | serge | 639 | |
188 | serge | 640 | mov [retval],0 |
641 | @@: |
||
642 | mov edi, [symbols] |
||
643 | mov [edi+CSYM.Value], eax |
||
644 | jmp .next |
||
645 | .internal: |
||
541 | serge | 646 | cmp bx, -1 |
647 | je .next |
||
648 | cmp bx, -2 |
||
649 | je .next |
||
650 | |||
188 | serge | 651 | dec ebx |
652 | shl ebx, 3 |
||
653 | lea ebx, [ebx+ebx*4] |
||
654 | add ebx, [sec] |
||
655 | |||
656 | mov eax, [ebx+CFS.VirtualAddress] |
||
657 | add [edi+CSYM.Value], eax |
||
658 | .next: |
||
659 | add edi, CSYM_SIZE |
||
660 | mov [symbols], edi |
||
661 | dec [sym_count] |
||
662 | jnz .fix |
||
663 | mov eax, [retval] |
||
664 | ret |
||
164 | serge | 665 | endp |
666 | |||
667 | align 4 |
||
188 | serge | 668 | proc fix_coff_relocs stdcall, coff:dword, sec:dword, sym:dword |
164 | serge | 669 | locals |
188 | serge | 670 | n_sec dd ? |
164 | serge | 671 | endl |
672 | |||
188 | serge | 673 | mov eax, [coff] |
674 | movzx ebx, [eax+CFH.nSections] |
||
675 | mov [n_sec], ebx |
||
676 | .fix_sec: |
||
677 | mov esi, [sec] |
||
164 | serge | 678 | mov edi, [esi+CFS.PtrReloc] |
188 | serge | 679 | add edi, [coff] |
164 | serge | 680 | |
188 | serge | 681 | movzx ecx, [esi+CFS.NumReloc] |
682 | test ecx, ecx |
||
683 | jz .next |
||
684 | .next_reloc: |
||
164 | serge | 685 | mov ebx, [edi+CRELOC.SymIndex] |
686 | add ebx,ebx |
||
687 | lea ebx,[ebx+ebx*8] |
||
188 | serge | 688 | add ebx, [sym] |
164 | serge | 689 | |
188 | serge | 690 | mov edx, [ebx+CSYM.Value] |
164 | serge | 691 | |
188 | serge | 692 | cmp [edi+CRELOC.Type], 6 |
693 | je .dir_32 |
||
164 | serge | 694 | |
188 | serge | 695 | cmp [edi+CRELOC.Type], 20 |
696 | jne .next_reloc |
||
697 | .rel_32: |
||
164 | serge | 698 | mov eax, [edi+CRELOC.VirtualAddress] |
188 | serge | 699 | add eax, [esi+CFS.VirtualAddress] |
700 | sub edx, eax |
||
701 | sub edx, 4 |
||
702 | jmp .fix |
||
703 | .dir_32: |
||
704 | mov eax, [edi+CRELOC.VirtualAddress] |
||
705 | add eax, [esi+CFS.VirtualAddress] |
||
706 | .fix: |
||
707 | add [eax], edx |
||
708 | add edi, 10 |
||
709 | dec ecx |
||
710 | jnz .next_reloc |
||
711 | .next: |
||
206 | serge | 712 | add [sec], COFF_SECTION_SIZE |
188 | serge | 713 | dec [n_sec] |
714 | jnz .fix_sec |
||
164 | serge | 715 | .exit: |
716 | ret |
||
717 | endp |
||
718 | |||
188 | serge | 719 | align 4 |
346 | diamond | 720 | proc load_driver stdcall, driver_name:dword |
188 | serge | 721 | locals |
722 | coff dd ? |
||
723 | sym dd ? |
||
724 | strings dd ? |
||
725 | img_size dd ? |
||
726 | img_base dd ? |
||
727 | start dd ? |
||
728 | |||
729 | exports dd ? ;fake exports table |
||
730 | dd ? |
||
525 | diamond | 731 | file_name rb 13+16+4+1 ; '/sys/drivers/ |
188 | serge | 732 | endl |
733 | |||
465 | serge | 734 | lea edx, [file_name] |
525 | diamond | 735 | mov dword [edx], '/sys' |
736 | mov dword [edx+4], '/dri' |
||
737 | mov dword [edx+8], 'vers' |
||
738 | mov byte [edx+12], '/' |
||
465 | serge | 739 | mov esi, [driver_name] |
525 | diamond | 740 | lea edi, [edx+13] |
465 | serge | 741 | mov ecx, 16 |
346 | diamond | 742 | @@: |
465 | serge | 743 | lodsb |
744 | test al, al |
||
745 | jz @f |
||
746 | stosb |
||
747 | loop @b |
||
346 | diamond | 748 | @@: |
465 | serge | 749 | mov dword [edi], '.obj' |
750 | mov byte [edi+4], 0 |
||
346 | diamond | 751 | stdcall load_file, edx |
214 | serge | 752 | |
188 | serge | 753 | test eax, eax |
227 | serge | 754 | jz .exit |
188 | serge | 755 | |
756 | mov [coff], eax |
||
757 | |||
758 | movzx ecx, [eax+CFH.nSections] |
||
759 | xor ebx, ebx |
||
760 | |||
761 | lea edx, [eax+20] |
||
762 | @@: |
||
763 | add ebx, [edx+CFS.SizeOfRawData] |
||
764 | add ebx, 15 |
||
765 | and ebx, not 15 |
||
206 | serge | 766 | add edx, COFF_SECTION_SIZE |
188 | serge | 767 | dec ecx |
768 | jnz @B |
||
769 | mov [img_size], ebx |
||
770 | |||
771 | stdcall kernel_alloc, ebx |
||
772 | test eax, eax |
||
773 | jz .fail |
||
774 | mov [img_base], eax |
||
775 | |||
776 | mov edi, eax |
||
777 | xor eax, eax |
||
778 | mov ecx, [img_size] |
||
779 | add ecx, 4095 |
||
780 | and ecx, not 4095 |
||
781 | shr ecx, 2 |
||
782 | cld |
||
783 | rep stosd |
||
784 | |||
785 | mov edx, [coff] |
||
786 | movzx ebx, [edx+CFH.nSections] |
||
787 | mov edi, [img_base] |
||
788 | lea eax, [edx+20] |
||
789 | @@: |
||
790 | mov [eax+CFS.VirtualAddress], edi |
||
791 | mov esi, [eax+CFS.PtrRawData] |
||
792 | test esi, esi |
||
793 | jnz .copy |
||
794 | add edi, [eax+CFS.SizeOfRawData] |
||
795 | jmp .next |
||
796 | .copy: |
||
797 | add esi, edx |
||
798 | mov ecx, [eax+CFS.SizeOfRawData] |
||
799 | cld |
||
800 | rep movsb |
||
801 | .next: |
||
802 | add edi, 15 |
||
803 | and edi, not 15 |
||
206 | serge | 804 | add eax, COFF_SECTION_SIZE |
188 | serge | 805 | dec ebx |
806 | jnz @B |
||
807 | |||
808 | mov ebx, [edx+CFH.pSymTable] |
||
809 | add ebx, edx |
||
810 | mov [sym], ebx |
||
811 | mov ecx, [edx+CFH.nSymbols] |
||
812 | add ecx,ecx |
||
813 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
814 | add ecx, [sym] |
||
815 | mov [strings], ecx |
||
816 | |||
817 | lea ebx, [exports] |
||
818 | mov dword [ebx], kernel_export |
||
819 | mov dword [ebx+4], 0 |
||
820 | lea eax, [edx+20] |
||
821 | |||
822 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
823 | [strings], ebx |
||
824 | test eax, eax |
||
227 | serge | 825 | jz .link_fail |
188 | serge | 826 | |
827 | mov ebx, [coff] |
||
828 | add ebx, 20 |
||
829 | stdcall fix_coff_relocs, [coff], ebx, [sym] |
||
830 | |||
831 | mov ebx, [coff] |
||
227 | serge | 832 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szVersion |
833 | test eax, eax |
||
834 | jz .link_fail |
||
835 | |||
836 | mov eax, [eax] |
||
837 | shr eax, 16 |
||
838 | cmp eax, DRV_COMPAT |
||
839 | jb .ver_fail |
||
840 | |||
841 | cmp eax, DRV_CURRENT |
||
842 | ja .ver_fail |
||
843 | |||
844 | mov ebx, [coff] |
||
188 | serge | 845 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szSTART |
846 | mov [start], eax |
||
847 | |||
848 | stdcall kernel_free, [coff] |
||
849 | |||
850 | mov ebx, [start] |
||
214 | serge | 851 | stdcall ebx, DRV_ENTRY |
188 | serge | 852 | test eax, eax |
853 | jnz .ok |
||
854 | |||
855 | stdcall kernel_free, [img_base] |
||
856 | xor eax, eax |
||
857 | ret |
||
858 | .ok: |
||
859 | mov ebx, [img_base] |
||
860 | mov [eax+SRV.base], ebx |
||
214 | serge | 861 | mov ecx, [start] |
862 | mov [eax+SRV.entry], ecx |
||
188 | serge | 863 | ret |
227 | serge | 864 | |
865 | .ver_fail: |
||
866 | mov esi, msg_CR |
||
867 | call sys_msg_board_str |
||
346 | diamond | 868 | mov esi, [driver_name] |
227 | serge | 869 | call sys_msg_board_str |
870 | mov esi, msg_CR |
||
871 | call sys_msg_board_str |
||
872 | mov esi, msg_version |
||
873 | call sys_msg_board_str |
||
874 | mov esi, msg_www |
||
875 | call sys_msg_board_str |
||
876 | jmp .cleanup |
||
877 | |||
878 | .link_fail: |
||
879 | mov esi, msg_module |
||
880 | call sys_msg_board_str |
||
346 | diamond | 881 | mov esi, [driver_name] |
227 | serge | 882 | call sys_msg_board_str |
883 | mov esi, msg_CR |
||
884 | call sys_msg_board_str |
||
885 | .cleanup: |
||
886 | stdcall kernel_free,[img_base] |
||
188 | serge | 887 | .fail: |
227 | serge | 888 | stdcall kernel_free, [coff] |
889 | .exit: |
||
188 | serge | 890 | xor eax, eax |
891 | ret |
||
164 | serge | 892 | endp |
893 | |||
198 | serge | 894 | align 4 |
895 | proc load_library stdcall, file_name:dword |
||
896 | locals |
||
897 | coff dd ? |
||
898 | sym dd ? |
||
899 | strings dd ? |
||
900 | img_size dd ? |
||
901 | img_base dd ? |
||
902 | exports dd ? |
||
903 | endl |
||
904 | |||
905 | cli |
||
906 | |||
907 | stdcall load_file, [file_name] |
||
908 | test eax, eax |
||
909 | jz .fail |
||
910 | |||
911 | mov [coff], eax |
||
912 | movzx ecx, [eax+CFH.nSections] |
||
913 | xor ebx, ebx |
||
914 | |||
915 | lea edx, [eax+20] |
||
916 | @@: |
||
917 | add ebx, [edx+CFS.SizeOfRawData] |
||
918 | add ebx, 15 |
||
919 | and ebx, not 15 |
||
206 | serge | 920 | add edx, COFF_SECTION_SIZE |
198 | serge | 921 | dec ecx |
922 | jnz @B |
||
923 | mov [img_size], ebx |
||
924 | |||
925 | call init_heap |
||
926 | stdcall user_alloc, [img_size] |
||
927 | |||
928 | test eax, eax |
||
929 | jz .fail |
||
930 | mov [img_base], eax |
||
931 | |||
932 | mov edx, [coff] |
||
933 | movzx ebx, [edx+CFH.nSections] |
||
934 | mov edi, [img_base] |
||
935 | lea eax, [edx+20] |
||
936 | @@: |
||
937 | mov [eax+CFS.VirtualAddress], edi |
||
938 | mov esi, [eax+CFS.PtrRawData] |
||
939 | test esi, esi |
||
940 | jnz .copy |
||
941 | add edi, [eax+CFS.SizeOfRawData] |
||
942 | jmp .next |
||
943 | .copy: |
||
944 | add esi, edx |
||
465 | serge | 945 | ; add edi, new_app_base |
198 | serge | 946 | mov ecx, [eax+CFS.SizeOfRawData] |
947 | cld |
||
948 | rep movsb |
||
949 | .next: |
||
465 | serge | 950 | add edi, 15 ;-new_app_base |
951 | and edi, -16 |
||
206 | serge | 952 | add eax, COFF_SECTION_SIZE |
198 | serge | 953 | dec ebx |
954 | jnz @B |
||
955 | |||
956 | mov ebx, [edx+CFH.pSymTable] |
||
957 | add ebx, edx |
||
958 | mov [sym], ebx |
||
959 | mov ecx, [edx+CFH.nSymbols] |
||
960 | add ecx,ecx |
||
961 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
962 | add ecx, [sym] |
||
963 | mov [strings], ecx |
||
964 | |||
965 | lea eax, [edx+20] |
||
966 | |||
967 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
968 | [strings], dword 0 |
||
969 | test eax, eax |
||
970 | jnz @F |
||
971 | |||
972 | @@: |
||
973 | mov edx, [coff] |
||
974 | movzx ebx, [edx+CFH.nSections] |
||
975 | mov edi, new_app_base |
||
976 | lea eax, [edx+20] |
||
977 | @@: |
||
978 | add [eax+CFS.VirtualAddress], edi ;patch user space offset |
||
206 | serge | 979 | add eax, COFF_SECTION_SIZE |
198 | serge | 980 | dec ebx |
981 | jnz @B |
||
982 | |||
983 | add edx, 20 |
||
984 | stdcall fix_coff_relocs, [coff], edx, [sym] |
||
985 | |||
986 | mov ebx, [coff] |
||
987 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szEXPORTS |
||
988 | mov [exports], eax |
||
989 | |||
990 | stdcall kernel_free, [coff] |
||
991 | mov eax, [exports] |
||
992 | ret |
||
993 | .fail: |
||
994 | xor eax, eax |
||
995 | ret |
||
996 | endp |
||
997 | |||
214 | serge | 998 | align 4 |
999 | proc stop_all_services |
||
278 | serge | 1000 | |
1001 | mov edx, [srv.fd] |
||
214 | serge | 1002 | .next: |
278 | serge | 1003 | cmp edx, srv.fd-SRV_FD_OFFSET |
1004 | je .done |
||
1005 | cmp [edx+SRV.magic], ' SRV' |
||
227 | serge | 1006 | jne .next |
278 | serge | 1007 | cmp [edx+SRV.size], SRV_SIZE |
227 | serge | 1008 | jne .next |
278 | serge | 1009 | mov ebx, [edx+SRV.entry] |
1010 | mov edx, [edx+SRV.fd] |
||
1011 | push edx |
||
214 | serge | 1012 | stdcall ebx, dword -1 |
278 | serge | 1013 | pop edx |
214 | serge | 1014 | jmp .next |
278 | serge | 1015 | .done: |
1016 | ret |
||
214 | serge | 1017 | endp |
198 | serge | 1018 | |
281 | serge | 1019 | ; param |
291 | serge | 1020 | ; eax= size |
1021 | ; ebx= pid |
||
214 | serge | 1022 | |
281 | serge | 1023 | align 4 |
1024 | create_kernel_object: |
||
1025 | |||
1026 | push ebx |
||
1027 | call malloc |
||
1028 | pop ebx |
||
1029 | test eax, eax |
||
1030 | jz .fail |
||
1031 | |||
465 | serge | 1032 | mov ecx,[current_slot] |
1033 | add ecx, APP_OBJ_OFFSET |
||
281 | serge | 1034 | |
345 | serge | 1035 | pushfd |
1036 | cli |
||
281 | serge | 1037 | mov edx, [ecx+APPOBJ.fd] |
1038 | mov [eax+APPOBJ.fd], edx |
||
1039 | mov [eax+APPOBJ.bk], ecx |
||
1040 | mov [eax+APPOBJ.pid], ebx |
||
1041 | |||
1042 | mov [ecx+APPOBJ.fd], eax |
||
1043 | mov [edx+APPOBJ.bk], eax |
||
345 | serge | 1044 | popfd |
281 | serge | 1045 | .fail: |
1046 | ret |
||
1047 | |||
1048 | ; param |
||
1049 | ; eax= object |
||
1050 | |||
1051 | align 4 |
||
1052 | destroy_kernel_object: |
||
1053 | |||
345 | serge | 1054 | pushfd |
1055 | cli |
||
281 | serge | 1056 | mov ebx, [eax+APPOBJ.fd] |
1057 | mov ecx, [eax+APPOBJ.bk] |
||
1058 | mov [ebx+APPOBJ.bk], ecx |
||
1059 | mov [ecx+APPOBJ.fd], ebx |
||
345 | serge | 1060 | popfd |
281 | serge | 1061 | |
1062 | xor edx, edx ;clear common header |
||
1063 | mov [eax], edx |
||
1064 | mov [eax+4], edx |
||
1065 | mov [eax+8], edx |
||
1066 | mov [eax+12], edx |
||
1067 | mov [eax+16], edx |
||
1068 | |||
1069 | call free ;release object memory |
||
1070 | ret |
||
1071 | |||
1072 | |||
164 | serge | 1073 | |
465 | serge | 1074 | if 0 |
164 | serge | 1075 | |
465 | serge | 1076 | irq: |
188 | serge | 1077 | |
465 | serge | 1078 | .irq0: |
1079 | pusfd |
||
1080 | pushad |
||
1081 | push IRQ_0 |
||
1082 | jmp .master |
||
1083 | .irq_1: |
||
1084 | pusfd |
||
1085 | pushad |
||
1086 | push IRQ_1 |
||
1087 | jmp .master |
||
1088 | |||
1089 | .master: |
||
1090 | mov ax, app_data |
||
1091 | mov ds, eax |
||
1092 | mov es, eax |
||
1093 | mov ebx, [esp+4] ;IRQ_xx |
||
1094 | mov eax, [irq_handlers+ebx+4] |
||
1095 | call intr_handler |
||
1096 | mov ecx, [esp+4] |
||
1097 | cmp [irq_actids+ecx*4], 0 |
||
1098 | je @F |
||
1099 | in al, 0x21 |
||
1100 | bts eax, ecx |
||
1101 | out 0x21, al |
||
1102 | mov al, 0x20 |
||
1103 | out 0x20, al |
||
1104 | jmp .restart |
||
1105 | |||
1106 | .slave: |
||
1107 | mov ax, app_data |
||
1108 | mov ds, eax |
||
1109 | mov es, eax |
||
1110 | mov ebx, [esp+4] ;IRQ_xx |
||
1111 | mov eax, [irq_handlers+ebx+4] |
||
1112 | call intr_handler |
||
1113 | mov ecx, [esp+4] |
||
1114 | sub ecx, 8 |
||
1115 | cmp [irq_actids+ecx*4], 0 |
||
1116 | je @F |
||
1117 | in al, 0xA1 |
||
1118 | bts eax, ecx |
||
1119 | out 0xA1, al |
||
1120 | mov al, 0x20 |
||
1121 | out 0xA0, al |
||
1122 | out 0x20, al |
||
1123 | .restart: |
||
1124 | mov ebx, [next_slot] |
||
1125 | test ebx, ebx |
||
1126 | jz @F |
||
1127 | mov [next_task],0 |
||
1128 | mov esi, [prev_slot] |
||
1129 | call do_change_task |
||
1130 | add esp, 4 |
||
1131 | iretd |
||
1132 | |||
1133 | end if |
||
1134 |