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Rev | Author | Line No. | Line |
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425 | victor | 1 | $Revision: 525 $ |
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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190 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
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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, 4 |
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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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202 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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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, 8 |
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207 | mov bh, byte [devfn] |
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208 | mov bl, byte [reg] |
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209 | mov ecx, [val] |
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210 | call pci_write_reg |
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211 | ret |
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212 | endp |
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213 | |||
214 | handle equ IOCTL.handle |
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215 | io_code equ IOCTL.io_code |
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216 | input equ IOCTL.input |
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217 | inp_size equ IOCTL.inp_size |
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218 | output equ IOCTL.output |
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219 | out_size equ IOCTL.out_size |
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220 | |||
221 | |||
222 | align 4 |
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223 | proc srv_handler stdcall, ioctl:dword |
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224 | mov esi, [ioctl] |
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225 | test esi, esi |
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226 | jz .err |
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227 | |||
228 | mov edi, [esi+handle] |
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229 | cmp [edi+SRV.magic], ' SRV' |
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230 | jne .fail |
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231 | |||
232 | cmp [edi+SRV.size], SRV_SIZE |
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233 | jne .fail |
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234 | |||
235 | stdcall [edi+SRV.srv_proc], esi |
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236 | ret |
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237 | .fail: |
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238 | xor eax, eax |
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239 | not eax |
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240 | mov [esi+output], eax |
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241 | mov [esi+out_size], 4 |
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242 | ret |
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243 | .err: |
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244 | xor eax, eax |
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245 | not eax |
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246 | ret |
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247 | endp |
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248 | |||
377 | serge | 249 | ; param |
250 | ; ebx= io_control |
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251 | ; |
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252 | ; retval |
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253 | ; eax= error code |
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254 | |||
164 | serge | 255 | align 4 |
377 | serge | 256 | srv_handlerEx: |
465 | serge | 257 | cmp ebx, OS_BASE |
258 | jae .fail |
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164 | serge | 259 | |
377 | serge | 260 | mov eax, [ebx+handle] |
261 | cmp [eax+SRV.magic], ' SRV' |
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164 | serge | 262 | jne .fail |
263 | |||
377 | serge | 264 | cmp [eax+SRV.size], SRV_SIZE |
164 | serge | 265 | jne .fail |
266 | |||
377 | serge | 267 | stdcall [eax+SRV.srv_proc], ebx |
164 | serge | 268 | ret |
269 | .fail: |
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377 | serge | 270 | or eax, -1 |
164 | serge | 271 | ret |
272 | |||
273 | restore handle |
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274 | restore io_code |
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275 | restore input |
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276 | restore inp_size |
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277 | restore output |
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278 | restore out_size |
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279 | |||
280 | align 4 |
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281 | proc get_service stdcall, sz_name:dword |
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188 | serge | 282 | mov eax, [sz_name] |
283 | test eax, eax |
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284 | jnz @F |
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285 | ret |
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164 | serge | 286 | @@: |
278 | serge | 287 | mov edx, [srv.fd] |
188 | serge | 288 | @@: |
278 | serge | 289 | cmp edx, srv.fd-SRV_FD_OFFSET |
290 | je .not_load |
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291 | |||
292 | stdcall strncmp, edx, [sz_name], 16 |
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188 | serge | 293 | test eax, eax |
294 | je .ok |
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164 | serge | 295 | |
278 | serge | 296 | mov edx, [edx+SRV.fd] |
297 | jmp @B |
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164 | serge | 298 | .not_load: |
346 | diamond | 299 | pop ebp |
300 | jmp load_driver |
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164 | serge | 301 | .ok: |
278 | serge | 302 | mov eax, edx |
188 | serge | 303 | ret |
164 | serge | 304 | endp |
305 | |||
306 | align 4 |
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278 | serge | 307 | reg_service: |
308 | .sz_name equ esp+4 |
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309 | .handler equ esp+8 |
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310 | mov eax, [.sz_name] |
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164 | serge | 311 | test eax, eax |
312 | jz .fail |
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313 | |||
278 | serge | 314 | mov ebx, [.handler] |
164 | serge | 315 | test ebx, ebx |
316 | jz .fail |
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317 | |||
278 | serge | 318 | mov eax, SRV_SIZE |
319 | call malloc ;call alloc_service |
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164 | serge | 320 | test eax, eax |
321 | jz .fail |
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322 | |||
323 | mov edi, eax |
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278 | serge | 324 | mov esi, [.sz_name] |
325 | mov ecx, 16/4 |
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326 | rep movsd |
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164 | serge | 327 | |
278 | serge | 328 | mov [eax+SRV.magic], ' SRV' |
329 | mov [eax+SRV.size], SRV_SIZE |
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330 | |||
331 | mov ebx, srv.fd-SRV_FD_OFFSET |
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332 | mov edx, [ebx+SRV.fd] |
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333 | mov [eax+SRV.fd], edx |
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334 | mov [eax+SRV.bk], ebx |
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335 | mov [ebx+SRV.fd], eax |
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336 | mov [edx+SRV.bk], eax |
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337 | |||
338 | mov ecx, [.handler] |
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339 | mov [eax+SRV.srv_proc], ecx |
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281 | serge | 340 | ret 8 |
164 | serge | 341 | .fail: |
342 | xor eax, eax |
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281 | serge | 343 | ret 8 |
164 | serge | 344 | |
345 | align 4 |
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346 | proc get_proc stdcall, exp:dword, sz_name:dword |
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347 | |||
348 | mov edx, [exp] |
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349 | .next: |
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350 | mov eax, [edx] |
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351 | test eax, eax |
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352 | jz .end |
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353 | |||
354 | push edx |
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355 | stdcall strncmp, eax, [sz_name], 16 |
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356 | pop edx |
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357 | test eax, eax |
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358 | jz .ok |
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359 | |||
360 | add edx,8 |
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361 | jmp .next |
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362 | .ok: |
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363 | mov eax, [edx+4] |
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364 | .end: |
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365 | ret |
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366 | endp |
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367 | |||
368 | align 4 |
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369 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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370 | |||
371 | @@: |
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372 | stdcall strncmp, [pSym], [sz_sym], 8 |
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373 | test eax,eax |
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374 | jz .ok |
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375 | add [pSym], 18 |
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376 | dec [count] |
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377 | jnz @b |
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378 | xor eax, eax |
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379 | ret |
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380 | .ok: |
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381 | mov ebx, [pSym] |
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382 | mov eax, [ebx+8] |
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383 | ret |
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384 | endp |
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385 | |||
386 | align 4 |
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188 | serge | 387 | proc get_curr_task |
388 | mov eax,[CURRENT_TASK] |
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389 | shl eax, 8 |
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390 | ret |
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391 | endp |
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164 | serge | 392 | |
188 | serge | 393 | align 4 |
394 | proc get_fileinfo stdcall, file_name:dword, info:dword |
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395 | locals |
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396 | cmd dd ? |
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397 | offset dd ? |
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398 | dd ? |
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399 | count dd ? |
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400 | buff dd ? |
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401 | db ? |
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402 | name dd ? |
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403 | endl |
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164 | serge | 404 | |
188 | serge | 405 | xor eax, eax |
406 | mov ebx, [file_name] |
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465 | serge | 407 | ; sub ebx, new_app_base |
188 | serge | 408 | mov ecx, [info] |
465 | serge | 409 | ; sub ecx, new_app_base |
164 | serge | 410 | |
188 | serge | 411 | mov [cmd], 5 |
412 | mov [offset], eax |
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413 | mov [offset+4], eax |
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414 | mov [count], eax |
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415 | mov [buff], ecx |
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416 | mov byte [buff+4], al |
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417 | mov [name], ebx |
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164 | serge | 418 | |
188 | serge | 419 | mov eax, 70 |
420 | lea ebx, [cmd] |
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465 | serge | 421 | ; sub ebx, new_app_base |
188 | serge | 422 | int 0x40 |
423 | ret |
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424 | endp |
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164 | serge | 425 | |
188 | serge | 426 | align 4 |
427 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
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428 | bytes:dword |
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429 | locals |
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430 | cmd dd ? |
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431 | offset dd ? |
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432 | dd ? |
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433 | count dd ? |
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434 | buff dd ? |
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435 | db ? |
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436 | name dd ? |
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437 | endl |
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164 | serge | 438 | |
188 | serge | 439 | xor eax, eax |
440 | mov ebx, [file_name] |
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441 | mov ecx, [off] |
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442 | mov edx, [bytes] |
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443 | mov esi, [buffer] |
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164 | serge | 444 | |
188 | serge | 445 | mov [cmd], eax |
446 | mov [offset], ecx |
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447 | mov [offset+4], eax |
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448 | mov [count], edx |
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449 | mov [buff], esi |
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450 | mov byte [buff+4], al |
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451 | mov [name], ebx |
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452 | |||
429 | serge | 453 | pushad |
454 | push eax |
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455 | lea eax, [cmd] |
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456 | call file_system_lfn |
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457 | pop eax |
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458 | popad |
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188 | serge | 459 | ret |
460 | endp |
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461 | |||
363 | serge | 462 | ; description |
463 | ; allocate kernel memory and loads the specified file |
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464 | ; |
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465 | ; param |
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466 | ; file_name= full path to file |
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467 | ; |
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468 | ; retval |
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469 | ; eax= file image in kernel memory |
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470 | ; ebx= size of file |
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471 | ; |
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472 | ; warging |
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473 | ; You mast call kernel_free() to delete each file |
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474 | ; loaded by the load_file() function |
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475 | |||
188 | serge | 476 | align 4 |
477 | proc load_file stdcall, file_name:dword |
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478 | locals |
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479 | attr dd ? |
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480 | flags dd ? |
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481 | cr_time dd ? |
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482 | cr_date dd ? |
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483 | acc_time dd ? |
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484 | acc_date dd ? |
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485 | mod_time dd ? |
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486 | mod_date dd ? |
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487 | file_size dd ? |
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488 | |||
489 | file dd ? |
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211 | serge | 490 | file2 dd ? |
188 | serge | 491 | endl |
492 | |||
493 | lea eax, [attr] |
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494 | stdcall get_fileinfo, [file_name], eax |
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164 | serge | 495 | test eax, eax |
188 | serge | 496 | jnz .fail |
164 | serge | 497 | |
206 | serge | 498 | mov eax, [file_size] |
237 | serge | 499 | cmp eax, 1024*1024*16 |
500 | ja .fail |
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206 | serge | 501 | |
188 | serge | 502 | stdcall kernel_alloc, [file_size] |
503 | mov [file], eax |
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164 | serge | 504 | |
188 | serge | 505 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
506 | cmp ebx, [file_size] |
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507 | jne .cleanup |
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211 | serge | 508 | |
188 | serge | 509 | mov eax, [file] |
211 | serge | 510 | cmp dword [eax], 0x4B43504B |
511 | jne .exit |
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237 | serge | 512 | mov ebx, [eax+4] |
513 | mov [file_size], ebx |
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514 | stdcall kernel_alloc, ebx |
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211 | serge | 515 | |
516 | test eax, eax |
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517 | jz .cleanup |
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518 | |||
519 | mov [file2], eax |
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520 | stdcall unpack, [file], eax |
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521 | stdcall kernel_free, [file] |
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522 | mov eax, [file2] |
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237 | serge | 523 | mov ebx, [file_size] |
211 | serge | 524 | .exit: |
269 | serge | 525 | push eax |
526 | lea edi, [eax+ebx] ;cleanup remain space |
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357 | serge | 527 | mov ecx, 4096 ;from file end |
528 | and ebx, 4095 |
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521 | diamond | 529 | jz @f |
269 | serge | 530 | sub ecx, ebx |
531 | xor eax, eax |
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532 | cld |
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533 | rep stosb |
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521 | diamond | 534 | @@: |
357 | serge | 535 | mov ebx, [file_size] |
269 | serge | 536 | pop eax |
188 | serge | 537 | ret |
538 | .cleanup: |
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539 | stdcall kernel_free, [file] |
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540 | .fail: |
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541 | xor eax, eax |
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237 | serge | 542 | xor ebx, ebx |
188 | serge | 543 | ret |
544 | endp |
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164 | serge | 545 | |
188 | serge | 546 | align 4 |
547 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
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548 | |||
549 | .look_up: |
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550 | mov edx, [imports] |
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198 | serge | 551 | test edx, edx |
552 | jz .end |
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188 | serge | 553 | mov edx, [edx] |
554 | test edx, edx |
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555 | jz .end |
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556 | .next: |
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557 | mov eax, [edx] |
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164 | serge | 558 | test eax, eax |
188 | serge | 559 | jz .next_table |
164 | serge | 560 | |
188 | serge | 561 | push edx |
562 | stdcall strncmp, eax, [proc_name], 16 |
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563 | pop edx |
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564 | test eax, eax |
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565 | jz .ok |
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164 | serge | 566 | |
188 | serge | 567 | add edx,8 |
568 | jmp .next |
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569 | .next_table: |
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570 | add [imports], 4 |
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571 | jmp .look_up |
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572 | .ok: |
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573 | mov eax, [edx+4] |
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574 | ret |
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575 | .end: |
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576 | xor eax, eax |
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577 | ret |
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578 | endp |
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164 | serge | 579 | |
188 | serge | 580 | align 4 |
581 | proc fix_coff_symbols stdcall, sec:dword, symbols:dword,\ |
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582 | sym_count:dword, strings:dword, imports:dword |
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583 | locals |
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584 | retval dd ? |
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585 | endl |
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164 | serge | 586 | |
188 | serge | 587 | mov edi, [symbols] |
588 | mov [retval], 1 |
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589 | .fix: |
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590 | movzx ebx, [edi+CSYM.SectionNumber] |
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591 | test ebx, ebx |
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592 | jnz .internal |
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593 | mov eax, dword [edi+CSYM.Name] |
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594 | test eax, eax |
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595 | jnz @F |
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164 | serge | 596 | |
188 | serge | 597 | mov edi, [edi+4] |
598 | add edi, [strings] |
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599 | @@: |
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600 | push edi |
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601 | stdcall get_proc_ex, edi,[imports] |
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602 | pop edi |
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164 | serge | 603 | |
188 | serge | 604 | xor ebx, ebx |
605 | test eax, eax |
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606 | jnz @F |
||
164 | serge | 607 | |
188 | serge | 608 | mov esi, msg_unresolved |
609 | call sys_msg_board_str |
||
610 | mov esi, edi |
||
611 | call sys_msg_board_str |
||
612 | mov esi, msg_CR |
||
613 | call sys_msg_board_str |
||
164 | serge | 614 | |
188 | serge | 615 | mov [retval],0 |
616 | @@: |
||
617 | mov edi, [symbols] |
||
618 | mov [edi+CSYM.Value], eax |
||
619 | jmp .next |
||
620 | .internal: |
||
621 | dec ebx |
||
622 | shl ebx, 3 |
||
623 | lea ebx, [ebx+ebx*4] |
||
624 | add ebx, [sec] |
||
625 | |||
626 | mov eax, [ebx+CFS.VirtualAddress] |
||
627 | add [edi+CSYM.Value], eax |
||
628 | .next: |
||
629 | add edi, CSYM_SIZE |
||
630 | mov [symbols], edi |
||
631 | dec [sym_count] |
||
632 | jnz .fix |
||
633 | mov eax, [retval] |
||
634 | ret |
||
164 | serge | 635 | endp |
636 | |||
637 | align 4 |
||
188 | serge | 638 | proc fix_coff_relocs stdcall, coff:dword, sec:dword, sym:dword |
164 | serge | 639 | locals |
188 | serge | 640 | n_sec dd ? |
164 | serge | 641 | endl |
642 | |||
188 | serge | 643 | mov eax, [coff] |
644 | movzx ebx, [eax+CFH.nSections] |
||
645 | mov [n_sec], ebx |
||
646 | .fix_sec: |
||
647 | mov esi, [sec] |
||
164 | serge | 648 | mov edi, [esi+CFS.PtrReloc] |
188 | serge | 649 | add edi, [coff] |
164 | serge | 650 | |
188 | serge | 651 | movzx ecx, [esi+CFS.NumReloc] |
652 | test ecx, ecx |
||
653 | jz .next |
||
654 | .next_reloc: |
||
164 | serge | 655 | mov ebx, [edi+CRELOC.SymIndex] |
656 | add ebx,ebx |
||
657 | lea ebx,[ebx+ebx*8] |
||
188 | serge | 658 | add ebx, [sym] |
164 | serge | 659 | |
188 | serge | 660 | mov edx, [ebx+CSYM.Value] |
164 | serge | 661 | |
188 | serge | 662 | cmp [edi+CRELOC.Type], 6 |
663 | je .dir_32 |
||
164 | serge | 664 | |
188 | serge | 665 | cmp [edi+CRELOC.Type], 20 |
666 | jne .next_reloc |
||
667 | .rel_32: |
||
164 | serge | 668 | mov eax, [edi+CRELOC.VirtualAddress] |
188 | serge | 669 | add eax, [esi+CFS.VirtualAddress] |
670 | sub edx, eax |
||
671 | sub edx, 4 |
||
672 | jmp .fix |
||
673 | .dir_32: |
||
674 | mov eax, [edi+CRELOC.VirtualAddress] |
||
675 | add eax, [esi+CFS.VirtualAddress] |
||
676 | .fix: |
||
677 | add [eax], edx |
||
678 | add edi, 10 |
||
679 | dec ecx |
||
680 | jnz .next_reloc |
||
681 | .next: |
||
206 | serge | 682 | add [sec], COFF_SECTION_SIZE |
188 | serge | 683 | dec [n_sec] |
684 | jnz .fix_sec |
||
164 | serge | 685 | .exit: |
686 | ret |
||
687 | endp |
||
688 | |||
188 | serge | 689 | align 4 |
346 | diamond | 690 | proc load_driver stdcall, driver_name:dword |
188 | serge | 691 | locals |
692 | coff dd ? |
||
693 | sym dd ? |
||
694 | strings dd ? |
||
695 | img_size dd ? |
||
696 | img_base dd ? |
||
697 | start dd ? |
||
698 | |||
699 | exports dd ? ;fake exports table |
||
700 | dd ? |
||
525 | diamond | 701 | file_name rb 13+16+4+1 ; '/sys/drivers/ |
188 | serge | 702 | endl |
703 | |||
465 | serge | 704 | lea edx, [file_name] |
525 | diamond | 705 | mov dword [edx], '/sys' |
706 | mov dword [edx+4], '/dri' |
||
707 | mov dword [edx+8], 'vers' |
||
708 | mov byte [edx+12], '/' |
||
465 | serge | 709 | mov esi, [driver_name] |
525 | diamond | 710 | lea edi, [edx+13] |
465 | serge | 711 | mov ecx, 16 |
346 | diamond | 712 | @@: |
465 | serge | 713 | lodsb |
714 | test al, al |
||
715 | jz @f |
||
716 | stosb |
||
717 | loop @b |
||
346 | diamond | 718 | @@: |
465 | serge | 719 | mov dword [edi], '.obj' |
720 | mov byte [edi+4], 0 |
||
346 | diamond | 721 | stdcall load_file, edx |
214 | serge | 722 | |
188 | serge | 723 | test eax, eax |
227 | serge | 724 | jz .exit |
188 | serge | 725 | |
726 | mov [coff], eax |
||
727 | |||
728 | movzx ecx, [eax+CFH.nSections] |
||
729 | xor ebx, ebx |
||
730 | |||
731 | lea edx, [eax+20] |
||
732 | @@: |
||
733 | add ebx, [edx+CFS.SizeOfRawData] |
||
734 | add ebx, 15 |
||
735 | and ebx, not 15 |
||
206 | serge | 736 | add edx, COFF_SECTION_SIZE |
188 | serge | 737 | dec ecx |
738 | jnz @B |
||
739 | mov [img_size], ebx |
||
740 | |||
741 | stdcall kernel_alloc, ebx |
||
742 | test eax, eax |
||
743 | jz .fail |
||
744 | mov [img_base], eax |
||
745 | |||
746 | mov edi, eax |
||
747 | xor eax, eax |
||
748 | mov ecx, [img_size] |
||
749 | add ecx, 4095 |
||
750 | and ecx, not 4095 |
||
751 | shr ecx, 2 |
||
752 | cld |
||
753 | rep stosd |
||
754 | |||
755 | mov edx, [coff] |
||
756 | movzx ebx, [edx+CFH.nSections] |
||
757 | mov edi, [img_base] |
||
758 | lea eax, [edx+20] |
||
759 | @@: |
||
760 | mov [eax+CFS.VirtualAddress], edi |
||
761 | mov esi, [eax+CFS.PtrRawData] |
||
762 | test esi, esi |
||
763 | jnz .copy |
||
764 | add edi, [eax+CFS.SizeOfRawData] |
||
765 | jmp .next |
||
766 | .copy: |
||
767 | add esi, edx |
||
768 | mov ecx, [eax+CFS.SizeOfRawData] |
||
769 | cld |
||
770 | rep movsb |
||
771 | .next: |
||
772 | add edi, 15 |
||
773 | and edi, not 15 |
||
206 | serge | 774 | add eax, COFF_SECTION_SIZE |
188 | serge | 775 | dec ebx |
776 | jnz @B |
||
777 | |||
778 | mov ebx, [edx+CFH.pSymTable] |
||
779 | add ebx, edx |
||
780 | mov [sym], ebx |
||
781 | mov ecx, [edx+CFH.nSymbols] |
||
782 | add ecx,ecx |
||
783 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
784 | add ecx, [sym] |
||
785 | mov [strings], ecx |
||
786 | |||
787 | lea ebx, [exports] |
||
788 | mov dword [ebx], kernel_export |
||
789 | mov dword [ebx+4], 0 |
||
790 | lea eax, [edx+20] |
||
791 | |||
792 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
793 | [strings], ebx |
||
794 | test eax, eax |
||
227 | serge | 795 | jz .link_fail |
188 | serge | 796 | |
797 | mov ebx, [coff] |
||
798 | add ebx, 20 |
||
799 | stdcall fix_coff_relocs, [coff], ebx, [sym] |
||
800 | |||
801 | mov ebx, [coff] |
||
227 | serge | 802 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szVersion |
803 | test eax, eax |
||
804 | jz .link_fail |
||
805 | |||
806 | mov eax, [eax] |
||
807 | shr eax, 16 |
||
808 | cmp eax, DRV_COMPAT |
||
809 | jb .ver_fail |
||
810 | |||
811 | cmp eax, DRV_CURRENT |
||
812 | ja .ver_fail |
||
813 | |||
814 | mov ebx, [coff] |
||
188 | serge | 815 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szSTART |
816 | mov [start], eax |
||
817 | |||
818 | stdcall kernel_free, [coff] |
||
819 | |||
820 | mov ebx, [start] |
||
214 | serge | 821 | stdcall ebx, DRV_ENTRY |
188 | serge | 822 | test eax, eax |
823 | jnz .ok |
||
824 | |||
825 | stdcall kernel_free, [img_base] |
||
826 | xor eax, eax |
||
827 | ret |
||
828 | .ok: |
||
829 | mov ebx, [img_base] |
||
830 | mov [eax+SRV.base], ebx |
||
214 | serge | 831 | mov ecx, [start] |
832 | mov [eax+SRV.entry], ecx |
||
188 | serge | 833 | ret |
227 | serge | 834 | |
835 | .ver_fail: |
||
836 | mov esi, msg_CR |
||
837 | call sys_msg_board_str |
||
346 | diamond | 838 | mov esi, [driver_name] |
227 | serge | 839 | call sys_msg_board_str |
840 | mov esi, msg_CR |
||
841 | call sys_msg_board_str |
||
842 | mov esi, msg_version |
||
843 | call sys_msg_board_str |
||
844 | mov esi, msg_www |
||
845 | call sys_msg_board_str |
||
846 | jmp .cleanup |
||
847 | |||
848 | .link_fail: |
||
849 | mov esi, msg_module |
||
850 | call sys_msg_board_str |
||
346 | diamond | 851 | mov esi, [driver_name] |
227 | serge | 852 | call sys_msg_board_str |
853 | mov esi, msg_CR |
||
854 | call sys_msg_board_str |
||
855 | .cleanup: |
||
856 | stdcall kernel_free,[img_base] |
||
188 | serge | 857 | .fail: |
227 | serge | 858 | stdcall kernel_free, [coff] |
859 | .exit: |
||
188 | serge | 860 | xor eax, eax |
861 | ret |
||
164 | serge | 862 | endp |
863 | |||
198 | serge | 864 | align 4 |
865 | proc load_library stdcall, file_name:dword |
||
866 | locals |
||
867 | coff dd ? |
||
868 | sym dd ? |
||
869 | strings dd ? |
||
870 | img_size dd ? |
||
871 | img_base dd ? |
||
872 | exports dd ? |
||
873 | endl |
||
874 | |||
875 | cli |
||
876 | |||
877 | stdcall load_file, [file_name] |
||
878 | test eax, eax |
||
879 | jz .fail |
||
880 | |||
881 | mov [coff], eax |
||
882 | movzx ecx, [eax+CFH.nSections] |
||
883 | xor ebx, ebx |
||
884 | |||
885 | lea edx, [eax+20] |
||
886 | @@: |
||
887 | add ebx, [edx+CFS.SizeOfRawData] |
||
888 | add ebx, 15 |
||
889 | and ebx, not 15 |
||
206 | serge | 890 | add edx, COFF_SECTION_SIZE |
198 | serge | 891 | dec ecx |
892 | jnz @B |
||
893 | mov [img_size], ebx |
||
894 | |||
895 | call init_heap |
||
896 | stdcall user_alloc, [img_size] |
||
897 | |||
898 | test eax, eax |
||
899 | jz .fail |
||
900 | mov [img_base], eax |
||
901 | |||
902 | mov edx, [coff] |
||
903 | movzx ebx, [edx+CFH.nSections] |
||
904 | mov edi, [img_base] |
||
905 | lea eax, [edx+20] |
||
906 | @@: |
||
907 | mov [eax+CFS.VirtualAddress], edi |
||
908 | mov esi, [eax+CFS.PtrRawData] |
||
909 | test esi, esi |
||
910 | jnz .copy |
||
911 | add edi, [eax+CFS.SizeOfRawData] |
||
912 | jmp .next |
||
913 | .copy: |
||
914 | add esi, edx |
||
465 | serge | 915 | ; add edi, new_app_base |
198 | serge | 916 | mov ecx, [eax+CFS.SizeOfRawData] |
917 | cld |
||
918 | rep movsb |
||
919 | .next: |
||
465 | serge | 920 | add edi, 15 ;-new_app_base |
921 | and edi, -16 |
||
206 | serge | 922 | add eax, COFF_SECTION_SIZE |
198 | serge | 923 | dec ebx |
924 | jnz @B |
||
925 | |||
926 | mov ebx, [edx+CFH.pSymTable] |
||
927 | add ebx, edx |
||
928 | mov [sym], ebx |
||
929 | mov ecx, [edx+CFH.nSymbols] |
||
930 | add ecx,ecx |
||
931 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
932 | add ecx, [sym] |
||
933 | mov [strings], ecx |
||
934 | |||
935 | lea eax, [edx+20] |
||
936 | |||
937 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
938 | [strings], dword 0 |
||
939 | test eax, eax |
||
940 | jnz @F |
||
941 | |||
942 | @@: |
||
943 | mov edx, [coff] |
||
944 | movzx ebx, [edx+CFH.nSections] |
||
945 | mov edi, new_app_base |
||
946 | lea eax, [edx+20] |
||
947 | @@: |
||
948 | add [eax+CFS.VirtualAddress], edi ;patch user space offset |
||
206 | serge | 949 | add eax, COFF_SECTION_SIZE |
198 | serge | 950 | dec ebx |
951 | jnz @B |
||
952 | |||
953 | add edx, 20 |
||
954 | stdcall fix_coff_relocs, [coff], edx, [sym] |
||
955 | |||
956 | mov ebx, [coff] |
||
957 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szEXPORTS |
||
958 | mov [exports], eax |
||
959 | |||
960 | stdcall kernel_free, [coff] |
||
961 | mov eax, [exports] |
||
962 | ret |
||
963 | .fail: |
||
964 | xor eax, eax |
||
965 | ret |
||
966 | endp |
||
967 | |||
214 | serge | 968 | align 4 |
969 | proc stop_all_services |
||
278 | serge | 970 | |
971 | mov edx, [srv.fd] |
||
214 | serge | 972 | .next: |
278 | serge | 973 | cmp edx, srv.fd-SRV_FD_OFFSET |
974 | je .done |
||
975 | cmp [edx+SRV.magic], ' SRV' |
||
227 | serge | 976 | jne .next |
278 | serge | 977 | cmp [edx+SRV.size], SRV_SIZE |
227 | serge | 978 | jne .next |
278 | serge | 979 | mov ebx, [edx+SRV.entry] |
980 | mov edx, [edx+SRV.fd] |
||
981 | push edx |
||
214 | serge | 982 | stdcall ebx, dword -1 |
278 | serge | 983 | pop edx |
214 | serge | 984 | jmp .next |
278 | serge | 985 | .done: |
986 | ret |
||
214 | serge | 987 | endp |
198 | serge | 988 | |
281 | serge | 989 | ; param |
291 | serge | 990 | ; eax= size |
991 | ; ebx= pid |
||
214 | serge | 992 | |
281 | serge | 993 | align 4 |
994 | create_kernel_object: |
||
995 | |||
996 | push ebx |
||
997 | call malloc |
||
998 | pop ebx |
||
999 | test eax, eax |
||
1000 | jz .fail |
||
1001 | |||
465 | serge | 1002 | mov ecx,[current_slot] |
1003 | add ecx, APP_OBJ_OFFSET |
||
281 | serge | 1004 | |
345 | serge | 1005 | pushfd |
1006 | cli |
||
281 | serge | 1007 | mov edx, [ecx+APPOBJ.fd] |
1008 | mov [eax+APPOBJ.fd], edx |
||
1009 | mov [eax+APPOBJ.bk], ecx |
||
1010 | mov [eax+APPOBJ.pid], ebx |
||
1011 | |||
1012 | mov [ecx+APPOBJ.fd], eax |
||
1013 | mov [edx+APPOBJ.bk], eax |
||
345 | serge | 1014 | popfd |
281 | serge | 1015 | .fail: |
1016 | ret |
||
1017 | |||
1018 | ; param |
||
1019 | ; eax= object |
||
1020 | |||
1021 | align 4 |
||
1022 | destroy_kernel_object: |
||
1023 | |||
345 | serge | 1024 | pushfd |
1025 | cli |
||
281 | serge | 1026 | mov ebx, [eax+APPOBJ.fd] |
1027 | mov ecx, [eax+APPOBJ.bk] |
||
1028 | mov [ebx+APPOBJ.bk], ecx |
||
1029 | mov [ecx+APPOBJ.fd], ebx |
||
345 | serge | 1030 | popfd |
281 | serge | 1031 | |
1032 | xor edx, edx ;clear common header |
||
1033 | mov [eax], edx |
||
1034 | mov [eax+4], edx |
||
1035 | mov [eax+8], edx |
||
1036 | mov [eax+12], edx |
||
1037 | mov [eax+16], edx |
||
1038 | |||
1039 | call free ;release object memory |
||
1040 | ret |
||
1041 | |||
1042 | |||
164 | serge | 1043 | |
465 | serge | 1044 | if 0 |
164 | serge | 1045 | |
465 | serge | 1046 | irq: |
188 | serge | 1047 | |
465 | serge | 1048 | .irq0: |
1049 | pusfd |
||
1050 | pushad |
||
1051 | push IRQ_0 |
||
1052 | jmp .master |
||
1053 | .irq_1: |
||
1054 | pusfd |
||
1055 | pushad |
||
1056 | push IRQ_1 |
||
1057 | jmp .master |
||
1058 | |||
1059 | .master: |
||
1060 | mov ax, app_data |
||
1061 | mov ds, eax |
||
1062 | mov es, eax |
||
1063 | mov ebx, [esp+4] ;IRQ_xx |
||
1064 | mov eax, [irq_handlers+ebx+4] |
||
1065 | call intr_handler |
||
1066 | mov ecx, [esp+4] |
||
1067 | cmp [irq_actids+ecx*4], 0 |
||
1068 | je @F |
||
1069 | in al, 0x21 |
||
1070 | bts eax, ecx |
||
1071 | out 0x21, al |
||
1072 | mov al, 0x20 |
||
1073 | out 0x20, al |
||
1074 | jmp .restart |
||
1075 | |||
1076 | .slave: |
||
1077 | mov ax, app_data |
||
1078 | mov ds, eax |
||
1079 | mov es, eax |
||
1080 | mov ebx, [esp+4] ;IRQ_xx |
||
1081 | mov eax, [irq_handlers+ebx+4] |
||
1082 | call intr_handler |
||
1083 | mov ecx, [esp+4] |
||
1084 | sub ecx, 8 |
||
1085 | cmp [irq_actids+ecx*4], 0 |
||
1086 | je @F |
||
1087 | in al, 0xA1 |
||
1088 | bts eax, ecx |
||
1089 | out 0xA1, al |
||
1090 | mov al, 0x20 |
||
1091 | out 0xA0, al |
||
1092 | out 0x20, al |
||
1093 | .restart: |
||
1094 | mov ebx, [next_slot] |
||
1095 | test ebx, ebx |
||
1096 | jz @F |
||
1097 | mov [next_task],0 |
||
1098 | mov esi, [prev_slot] |
||
1099 | call do_change_task |
||
1100 | add esp, 4 |
||
1101 | iretd |
||
1102 | |||
1103 | end if |
||
1104 |