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Rev | Author | Line No. | Line |
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164 | serge | 1 | ; |
2 | ; This file is part of the Infinity sound AC97 driver. |
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3 | ; (C) copyright Serge 2006 |
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4 | ; email: infinity_sound@mail.ru |
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5 | ; |
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6 | ; This program is free software; you can redistribute it and/or modify |
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7 | ; it under the terms of the GNU General Public License as published by |
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8 | ; the Free Software Foundation; either version 2 of the License, or |
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9 | ; (at your option) any later version. |
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10 | ; |
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11 | ; This program is distributed in the hope that it will be useful, |
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12 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | ; GNU General Public License for more details. |
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15 | |||
16 | align 4 |
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17 | proc attach_int_handler stdcall, irq:dword, handler:dword |
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18 | |||
19 | mov ebx, [irq] ;irq num |
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20 | test ebx, ebx |
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21 | jz .err |
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22 | mov eax, [handler] |
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23 | test eax, eax |
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24 | jz .err |
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25 | mov [irq_tab+ebx*4], eax |
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26 | stdcall enable_irq, [irq] |
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27 | ret |
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28 | .err: |
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29 | xor eax, eax |
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30 | ret |
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31 | endp |
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32 | |||
33 | align 4 |
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34 | proc detach_int_handler |
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35 | |||
36 | ret |
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37 | endp |
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38 | |||
39 | align 4 |
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40 | proc enable_irq stdcall, irq_line:dword |
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41 | mov ebx, [irq_line] |
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42 | mov edx, 0x21 |
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43 | cmp ebx, 8 |
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44 | jb @F |
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45 | mov edx, 0xA1 |
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46 | sub ebx,8 |
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47 | @@: |
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48 | in al,dx |
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49 | btr eax, ebx |
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50 | out dx, al |
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51 | ret |
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52 | endp |
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53 | |||
54 | align 16 |
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55 | ;; proc irq_serv |
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56 | |||
57 | irq_serv: |
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58 | |||
59 | .irq_1: |
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60 | push eax |
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61 | mov eax, 1 |
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62 | jmp .main |
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63 | align 4 |
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64 | .irq_2: |
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65 | push eax |
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66 | mov eax, 2 |
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67 | jmp .main |
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68 | align 4 |
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69 | .irq_3: |
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70 | push eax |
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71 | mov eax, 3 |
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72 | jmp .main |
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73 | align 4 |
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74 | .irq_4: |
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75 | push eax |
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76 | mov eax, 4 |
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77 | jmp .main |
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78 | align 4 |
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79 | .irq_5: |
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80 | push eax |
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81 | mov eax, 5 |
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82 | jmp .main |
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83 | align 4 |
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84 | .irq_6: |
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85 | push eax |
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86 | mov eax, 6 |
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87 | jmp .main |
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88 | align 4 |
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89 | .irq_7: |
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90 | push eax |
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91 | mov eax, 7 |
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92 | jmp .main |
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93 | align 4 |
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94 | .irq_8: |
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95 | push eax |
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96 | mov eax, 8 |
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97 | jmp .main |
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98 | align 4 |
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99 | .irq_9: |
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100 | push eax |
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101 | mov eax, 9 |
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102 | jmp .main |
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103 | align 4 |
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104 | .irq_10: |
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105 | push eax |
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106 | mov eax, 10 |
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107 | jmp .main |
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108 | align 4 |
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109 | .irq_11: |
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110 | push eax |
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111 | mov eax, 11 |
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112 | jmp .main |
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113 | align 4 |
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114 | .irq_12: |
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115 | push eax |
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116 | mov eax, 12 |
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117 | jmp .main |
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118 | align 4 |
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119 | .irq_13: |
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120 | push eax |
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121 | mov eax, 13 |
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122 | jmp .main |
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123 | align 4 |
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124 | .irq_14: |
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125 | push eax |
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126 | mov eax, 14 |
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127 | jmp .main |
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128 | align 4 |
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129 | .irq_15: |
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130 | push eax |
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131 | mov eax, 15 |
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132 | jmp .main |
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133 | |||
134 | align 16 |
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135 | .main: |
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136 | save_ring3_context |
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137 | mov bx, os_data |
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138 | mov ds, bx |
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139 | mov es, bx |
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140 | |||
141 | mov ebx, [irq_tab+eax*4] |
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142 | test ebx, ebx |
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143 | jz .exit |
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144 | |||
145 | call ebx |
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146 | |||
147 | .exit: |
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148 | restore_ring3_context |
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149 | |||
150 | cmp eax, 8 |
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151 | mov al, 0x20 |
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152 | jb @f |
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153 | out 0xa0, al |
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154 | @@: |
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155 | out 0x20, al |
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156 | |||
157 | pop eax |
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158 | iret |
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159 | |||
160 | align 4 |
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161 | proc get_notify stdcall, p_ev:dword |
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162 | |||
163 | .wait: |
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164 | mov ebx,[CURRENT_TASK] |
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165 | shl ebx,8 |
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166 | test dword [ebx+PROC_BASE+0xA8],EVENT_NOTIFY |
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167 | jz @f |
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168 | and dword [ebx+PROC_BASE+0xA8], not EVENT_NOTIFY |
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169 | mov edi, [p_ev] |
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170 | mov dword [edi], EV_INTR |
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171 | mov eax, [ebx+PROC_BASE+APPDATA.event] |
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172 | mov dword [edi+4], eax |
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173 | ret |
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174 | @@: |
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175 | call change_task |
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176 | jmp .wait |
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177 | endp |
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178 | |||
179 | align 4 |
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180 | proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword |
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181 | xor eax, eax |
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182 | xor ebx, ebx |
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183 | mov ah, byte [bus] |
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184 | mov al, 6 |
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185 | mov bh, byte [devfn] |
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186 | mov bl, byte [reg] |
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187 | call pci_read_reg |
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188 | ret |
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189 | endp |
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190 | |||
191 | align 4 |
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192 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
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193 | xor eax, eax |
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194 | xor ebx, ebx |
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195 | mov ah, byte [bus] |
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196 | mov al, 4 |
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197 | mov bh, byte [devfn] |
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198 | mov bl, byte [reg] |
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199 | call pci_read_reg |
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200 | ret |
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201 | endp |
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202 | |||
203 | align 4 |
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204 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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205 | xor eax, eax |
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206 | xor ebx, ebx |
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207 | mov ah, byte [bus] |
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208 | mov al, 8 |
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209 | mov bh, byte [devfn] |
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210 | mov bl, byte [reg] |
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211 | mov ecx, [val] |
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212 | call pci_write_reg |
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213 | ret |
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214 | endp |
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215 | |||
216 | handle equ IOCTL.handle |
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217 | io_code equ IOCTL.io_code |
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218 | input equ IOCTL.input |
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219 | inp_size equ IOCTL.inp_size |
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220 | output equ IOCTL.output |
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221 | out_size equ IOCTL.out_size |
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222 | |||
223 | |||
224 | align 4 |
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225 | proc srv_handler stdcall, ioctl:dword |
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226 | mov esi, [ioctl] |
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227 | test esi, esi |
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228 | jz .err |
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229 | |||
230 | mov edi, [esi+handle] |
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231 | cmp [edi+SRV.magic], ' SRV' |
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232 | jne .fail |
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233 | |||
234 | cmp [edi+SRV.size], SRV_SIZE |
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235 | jne .fail |
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236 | |||
237 | stdcall [edi+SRV.srv_proc], esi |
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238 | ret |
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239 | .fail: |
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240 | xor eax, eax |
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241 | not eax |
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242 | mov [esi+output], eax |
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243 | mov [esi+out_size], 4 |
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244 | ret |
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245 | .err: |
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246 | xor eax, eax |
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247 | not eax |
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248 | ret |
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249 | endp |
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250 | |||
251 | align 4 |
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252 | proc srv_handlerEx stdcall, ioctl:dword |
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253 | mov esi, [ioctl] |
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254 | test esi, esi |
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255 | jz .err |
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256 | add esi, new_app_base |
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257 | |||
258 | mov edi, [esi+handle] |
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259 | cmp [edi+SRV.magic], ' SRV' |
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260 | jne .fail |
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261 | |||
262 | cmp [edi+SRV.size], SRV_SIZE |
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263 | jne .fail |
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264 | |||
265 | add [esi+input], new_app_base |
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266 | add [esi+output], new_app_base |
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267 | |||
268 | stdcall [edi+SRV.srv_proc], esi |
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269 | ret |
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270 | .fail: |
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271 | xor eax, eax |
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272 | not eax |
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273 | mov [esi+output], eax |
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274 | mov [esi+out_size], 4 |
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275 | ret |
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276 | .err: |
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277 | xor eax, eax |
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278 | not eax |
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279 | ret |
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280 | endp |
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281 | |||
282 | restore handle |
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283 | restore io_code |
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284 | restore input |
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285 | restore inp_size |
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286 | restore output |
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287 | restore out_size |
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288 | |||
289 | align 4 |
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290 | proc get_service stdcall, sz_name:dword |
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291 | locals |
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292 | srv_ptr dd ? |
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293 | counter dd ? |
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188 | serge | 294 | endl |
164 | serge | 295 | |
188 | serge | 296 | mov eax, [sz_name] |
297 | test eax, eax |
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298 | jnz @F |
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299 | ret |
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164 | serge | 300 | @@: |
188 | serge | 301 | mov [srv_ptr], srv_tab |
302 | mov [counter], 16 |
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303 | @@: |
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304 | stdcall strncmp, [srv_ptr], [sz_name], 16 |
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305 | test eax, eax |
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306 | je .ok |
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164 | serge | 307 | |
188 | serge | 308 | add [srv_ptr], SRV_SIZE |
309 | dec [counter] |
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310 | jnz @B |
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164 | serge | 311 | .not_load: |
312 | stdcall find_service, [sz_name] |
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313 | test eax, eax |
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188 | serge | 314 | jnz @F |
315 | ret |
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164 | serge | 316 | @@: |
188 | serge | 317 | stdcall load_driver, eax |
318 | ret |
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164 | serge | 319 | .ok: |
188 | serge | 320 | mov eax, [srv_ptr] |
321 | ret |
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164 | serge | 322 | endp |
323 | |||
324 | align 4 |
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325 | proc find_service stdcall ,sz_name:dword |
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326 | |||
327 | mov eax, [sz_name] |
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328 | test eax, eax |
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329 | jz .fail |
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330 | |||
331 | mov esi, services |
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332 | @@: |
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333 | mov eax, [esi] |
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334 | test eax, eax |
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335 | jz .fail |
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336 | push esi |
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337 | stdcall strncmp, eax, [sz_name], 16 |
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338 | pop esi |
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339 | test eax, eax |
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340 | je .ok |
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341 | |||
342 | add esi, 8 |
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343 | jmp @B |
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344 | .ok: |
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345 | mov eax, [esi+4] |
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346 | ret |
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347 | .fail: |
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348 | xor eax, eax |
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349 | ret |
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350 | endp |
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351 | |||
352 | align 4 |
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353 | proc reg_service stdcall, sz_name:dword, handler:dword |
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354 | locals |
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355 | srv dd ? |
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356 | endl |
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357 | |||
358 | mov eax, [sz_name] |
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359 | test eax, eax |
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360 | jz .fail |
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361 | |||
362 | mov ebx, [handler] |
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363 | test ebx, ebx |
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364 | jz .fail |
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365 | |||
366 | call alloc_service |
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367 | test eax, eax |
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368 | jz .fail |
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369 | |||
370 | mov [srv], eax |
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371 | mov edi, eax |
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372 | mov esi, [sz_name] |
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373 | mov ecx, 16 |
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374 | rep movsb |
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375 | |||
376 | mov edi, eax |
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377 | mov [edi+SRV.magic], ' SRV' |
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378 | mov [edi+SRV.size], SRV_SIZE |
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379 | mov ebx, [handler] |
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380 | mov [edi+SRV.srv_proc], ebx |
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381 | mov eax, [srv] |
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382 | ret |
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383 | .fail: |
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384 | xor eax, eax |
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385 | ret |
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386 | endp |
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387 | |||
388 | align 4 |
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389 | proc get_proc stdcall, exp:dword, sz_name:dword |
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390 | |||
391 | mov edx, [exp] |
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392 | .next: |
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393 | mov eax, [edx] |
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394 | test eax, eax |
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395 | jz .end |
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396 | |||
397 | push edx |
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398 | stdcall strncmp, eax, [sz_name], 16 |
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399 | pop edx |
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400 | test eax, eax |
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401 | jz .ok |
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402 | |||
403 | add edx,8 |
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404 | jmp .next |
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405 | .ok: |
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406 | mov eax, [edx+4] |
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407 | .end: |
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408 | ret |
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409 | endp |
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410 | |||
411 | align 4 |
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412 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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413 | |||
414 | @@: |
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415 | stdcall strncmp, [pSym], [sz_sym], 8 |
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416 | test eax,eax |
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417 | jz .ok |
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418 | add [pSym], 18 |
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419 | dec [count] |
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420 | jnz @b |
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421 | xor eax, eax |
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422 | ret |
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423 | .ok: |
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424 | mov ebx, [pSym] |
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425 | mov eax, [ebx+8] |
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426 | ret |
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427 | endp |
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428 | |||
429 | align 4 |
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188 | serge | 430 | proc get_curr_task |
431 | mov eax,[CURRENT_TASK] |
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432 | shl eax, 8 |
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433 | ret |
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434 | endp |
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164 | serge | 435 | |
188 | serge | 436 | align 4 |
437 | proc get_fileinfo stdcall, file_name:dword, info:dword |
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438 | locals |
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439 | cmd dd ? |
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440 | offset dd ? |
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441 | dd ? |
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442 | count dd ? |
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443 | buff dd ? |
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444 | db ? |
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445 | name dd ? |
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446 | endl |
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164 | serge | 447 | |
188 | serge | 448 | xor eax, eax |
449 | mov ebx, [file_name] |
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450 | sub ebx, new_app_base |
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451 | mov ecx, [info] |
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452 | sub ecx, new_app_base |
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164 | serge | 453 | |
188 | serge | 454 | mov [cmd], 5 |
455 | mov [offset], eax |
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456 | mov [offset+4], eax |
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457 | mov [count], eax |
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458 | mov [buff], ecx |
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459 | mov byte [buff+4], al |
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460 | mov [name], ebx |
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164 | serge | 461 | |
188 | serge | 462 | mov eax, 70 |
463 | lea ebx, [cmd] |
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464 | sub ebx, new_app_base |
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465 | int 0x40 |
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466 | ret |
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467 | endp |
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164 | serge | 468 | |
188 | serge | 469 | align 4 |
470 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
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471 | bytes:dword |
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472 | locals |
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473 | cmd dd ? |
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474 | offset dd ? |
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475 | dd ? |
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476 | count dd ? |
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477 | buff dd ? |
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478 | db ? |
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479 | name dd ? |
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480 | endl |
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164 | serge | 481 | |
188 | serge | 482 | xor eax, eax |
483 | mov ebx, [file_name] |
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484 | mov ecx, [off] |
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485 | mov edx, [bytes] |
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486 | mov esi, [buffer] |
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487 | sub ebx, new_app_base |
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488 | sub esi, new_app_base |
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164 | serge | 489 | |
188 | serge | 490 | mov [cmd], eax |
491 | mov [offset], ecx |
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492 | mov [offset+4], eax |
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493 | mov [count], edx |
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494 | mov [buff], esi |
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495 | mov byte [buff+4], al |
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496 | mov [name], ebx |
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497 | |||
498 | mov eax, 70 |
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499 | lea ebx, [cmd] |
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500 | sub ebx, new_app_base |
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501 | int 0x40 |
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502 | ret |
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503 | endp |
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504 | |||
505 | align 4 |
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506 | proc load_file stdcall, file_name:dword |
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507 | locals |
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508 | attr dd ? |
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509 | flags dd ? |
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510 | cr_time dd ? |
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511 | cr_date dd ? |
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512 | acc_time dd ? |
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513 | acc_date dd ? |
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514 | mod_time dd ? |
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515 | mod_date dd ? |
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516 | file_size dd ? |
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517 | |||
518 | file dd ? |
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519 | endl |
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520 | |||
521 | lea eax, [attr] |
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522 | stdcall get_fileinfo, [file_name], eax |
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164 | serge | 523 | test eax, eax |
188 | serge | 524 | jnz .fail |
164 | serge | 525 | |
188 | serge | 526 | stdcall kernel_alloc, [file_size] |
527 | mov [file], eax |
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164 | serge | 528 | |
188 | serge | 529 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
530 | cmp ebx, [file_size] |
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531 | jne .cleanup |
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532 | mov eax, [file] |
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533 | ret |
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534 | .cleanup: |
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535 | stdcall kernel_free, [file] |
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536 | .fail: |
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537 | xor eax, eax |
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538 | ret |
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539 | endp |
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164 | serge | 540 | |
188 | serge | 541 | align 4 |
542 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
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543 | |||
544 | .look_up: |
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545 | mov edx, [imports] |
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198 | serge | 546 | test edx, edx |
547 | jz .end |
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188 | serge | 548 | mov edx, [edx] |
549 | test edx, edx |
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550 | jz .end |
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551 | .next: |
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552 | mov eax, [edx] |
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164 | serge | 553 | test eax, eax |
188 | serge | 554 | jz .next_table |
164 | serge | 555 | |
188 | serge | 556 | push edx |
557 | stdcall strncmp, eax, [proc_name], 16 |
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558 | pop edx |
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559 | test eax, eax |
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560 | jz .ok |
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164 | serge | 561 | |
188 | serge | 562 | add edx,8 |
563 | jmp .next |
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564 | .next_table: |
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565 | add [imports], 4 |
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566 | jmp .look_up |
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567 | .ok: |
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568 | mov eax, [edx+4] |
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569 | ret |
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570 | .end: |
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571 | xor eax, eax |
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572 | ret |
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573 | endp |
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164 | serge | 574 | |
188 | serge | 575 | align 4 |
576 | proc fix_coff_symbols stdcall, sec:dword, symbols:dword,\ |
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577 | sym_count:dword, strings:dword, imports:dword |
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578 | locals |
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579 | retval dd ? |
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580 | endl |
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164 | serge | 581 | |
188 | serge | 582 | mov edi, [symbols] |
583 | mov [retval], 1 |
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584 | .fix: |
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585 | movzx ebx, [edi+CSYM.SectionNumber] |
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586 | test ebx, ebx |
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587 | jnz .internal |
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588 | mov eax, dword [edi+CSYM.Name] |
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589 | test eax, eax |
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590 | jnz @F |
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164 | serge | 591 | |
188 | serge | 592 | mov edi, [edi+4] |
593 | add edi, [strings] |
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594 | @@: |
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595 | push edi |
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596 | stdcall get_proc_ex, edi,[imports] |
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597 | pop edi |
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164 | serge | 598 | |
188 | serge | 599 | xor ebx, ebx |
600 | test eax, eax |
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601 | jnz @F |
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164 | serge | 602 | |
188 | serge | 603 | mov esi, msg_unresolved |
604 | call sys_msg_board_str |
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605 | mov esi, edi |
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606 | call sys_msg_board_str |
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607 | mov esi, msg_CR |
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608 | call sys_msg_board_str |
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164 | serge | 609 | |
188 | serge | 610 | mov [retval],0 |
611 | @@: |
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612 | mov edi, [symbols] |
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613 | mov [edi+CSYM.Value], eax |
||
614 | jmp .next |
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615 | .internal: |
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616 | dec ebx |
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617 | shl ebx, 3 |
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618 | lea ebx, [ebx+ebx*4] |
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619 | add ebx, [sec] |
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620 | |||
621 | mov eax, [ebx+CFS.VirtualAddress] |
||
622 | add [edi+CSYM.Value], eax |
||
623 | .next: |
||
624 | add edi, CSYM_SIZE |
||
625 | mov [symbols], edi |
||
626 | dec [sym_count] |
||
627 | jnz .fix |
||
628 | mov eax, [retval] |
||
629 | ret |
||
164 | serge | 630 | endp |
631 | |||
632 | align 4 |
||
188 | serge | 633 | proc fix_coff_relocs stdcall, coff:dword, sec:dword, sym:dword |
164 | serge | 634 | locals |
188 | serge | 635 | n_sec dd ? |
164 | serge | 636 | endl |
637 | |||
188 | serge | 638 | mov eax, [coff] |
639 | movzx ebx, [eax+CFH.nSections] |
||
640 | mov [n_sec], ebx |
||
641 | .fix_sec: |
||
642 | mov esi, [sec] |
||
164 | serge | 643 | mov edi, [esi+CFS.PtrReloc] |
188 | serge | 644 | add edi, [coff] |
164 | serge | 645 | |
188 | serge | 646 | movzx ecx, [esi+CFS.NumReloc] |
647 | test ecx, ecx |
||
648 | jz .next |
||
649 | .next_reloc: |
||
164 | serge | 650 | mov ebx, [edi+CRELOC.SymIndex] |
651 | add ebx,ebx |
||
652 | lea ebx,[ebx+ebx*8] |
||
188 | serge | 653 | add ebx, [sym] |
164 | serge | 654 | |
188 | serge | 655 | mov edx, [ebx+CSYM.Value] |
164 | serge | 656 | |
188 | serge | 657 | cmp [edi+CRELOC.Type], 6 |
658 | je .dir_32 |
||
164 | serge | 659 | |
188 | serge | 660 | cmp [edi+CRELOC.Type], 20 |
661 | jne .next_reloc |
||
662 | .rel_32: |
||
164 | serge | 663 | mov eax, [edi+CRELOC.VirtualAddress] |
188 | serge | 664 | add eax, [esi+CFS.VirtualAddress] |
665 | sub edx, eax |
||
666 | sub edx, 4 |
||
667 | jmp .fix |
||
668 | .dir_32: |
||
669 | mov eax, [edi+CRELOC.VirtualAddress] |
||
670 | add eax, [esi+CFS.VirtualAddress] |
||
671 | .fix: |
||
672 | add [eax], edx |
||
673 | add edi, 10 |
||
674 | dec ecx |
||
675 | jnz .next_reloc |
||
676 | .next: |
||
677 | add [sec], 40 |
||
678 | dec [n_sec] |
||
679 | jnz .fix_sec |
||
164 | serge | 680 | .exit: |
681 | ret |
||
682 | endp |
||
683 | |||
188 | serge | 684 | align 4 |
685 | proc load_driver stdcall, file_name:dword |
||
686 | locals |
||
687 | coff dd ? |
||
688 | sym dd ? |
||
689 | strings dd ? |
||
690 | img_size dd ? |
||
691 | img_base dd ? |
||
692 | start dd ? |
||
693 | |||
694 | exports dd ? ;fake exports table |
||
695 | dd ? |
||
696 | endl |
||
697 | |||
698 | stdcall load_file, [file_name] |
||
699 | test eax, eax |
||
700 | jz .fail |
||
701 | |||
702 | mov [coff], eax |
||
703 | |||
704 | movzx ecx, [eax+CFH.nSections] |
||
705 | xor ebx, ebx |
||
706 | |||
707 | lea edx, [eax+20] |
||
708 | @@: |
||
709 | add ebx, [edx+CFS.SizeOfRawData] |
||
710 | add ebx, 15 |
||
711 | and ebx, not 15 |
||
712 | add edx, 18 |
||
713 | dec ecx |
||
714 | jnz @B |
||
715 | mov [img_size], ebx |
||
716 | |||
717 | stdcall kernel_alloc, ebx |
||
718 | test eax, eax |
||
719 | jz .fail |
||
720 | mov [img_base], eax |
||
721 | |||
722 | mov edi, eax |
||
723 | xor eax, eax |
||
724 | mov ecx, [img_size] |
||
725 | add ecx, 4095 |
||
726 | and ecx, not 4095 |
||
727 | shr ecx, 2 |
||
728 | cld |
||
729 | rep stosd |
||
730 | |||
731 | mov edx, [coff] |
||
732 | movzx ebx, [edx+CFH.nSections] |
||
733 | mov edi, [img_base] |
||
734 | lea eax, [edx+20] |
||
735 | @@: |
||
736 | mov [eax+CFS.VirtualAddress], edi |
||
737 | mov esi, [eax+CFS.PtrRawData] |
||
738 | test esi, esi |
||
739 | jnz .copy |
||
740 | add edi, [eax+CFS.SizeOfRawData] |
||
741 | jmp .next |
||
742 | .copy: |
||
743 | add esi, edx |
||
744 | mov ecx, [eax+CFS.SizeOfRawData] |
||
745 | cld |
||
746 | rep movsb |
||
747 | .next: |
||
748 | add edi, 15 |
||
749 | and edi, not 15 |
||
750 | add eax, 40 |
||
751 | dec ebx |
||
752 | jnz @B |
||
753 | |||
754 | mov ebx, [edx+CFH.pSymTable] |
||
755 | add ebx, edx |
||
756 | mov [sym], ebx |
||
757 | mov ecx, [edx+CFH.nSymbols] |
||
758 | add ecx,ecx |
||
759 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
760 | add ecx, [sym] |
||
761 | mov [strings], ecx |
||
762 | |||
763 | lea ebx, [exports] |
||
764 | mov dword [ebx], kernel_export |
||
765 | mov dword [ebx+4], 0 |
||
766 | lea eax, [edx+20] |
||
767 | |||
768 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
769 | [strings], ebx |
||
770 | test eax, eax |
||
771 | jnz @F |
||
772 | |||
773 | mov esi, msg_module |
||
774 | call sys_msg_board_str |
||
775 | mov esi, [file_name] |
||
776 | call sys_msg_board_str |
||
777 | mov esi, msg_CR |
||
778 | call sys_msg_board_str |
||
779 | |||
780 | stdcall kernel_free,[coff] |
||
781 | xor eax, eax |
||
164 | serge | 782 | ret |
188 | serge | 783 | @@: |
784 | mov ebx, [coff] |
||
785 | add ebx, 20 |
||
786 | stdcall fix_coff_relocs, [coff], ebx, [sym] |
||
787 | |||
788 | mov ebx, [coff] |
||
789 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szSTART |
||
790 | mov [start], eax |
||
791 | |||
792 | stdcall kernel_free, [coff] |
||
793 | |||
794 | mov ebx, [start] |
||
795 | call ebx |
||
796 | test eax, eax |
||
797 | jnz .ok |
||
798 | |||
799 | stdcall kernel_free, [img_base] |
||
800 | xor eax, eax |
||
801 | ret |
||
802 | .ok: |
||
803 | mov ebx, [img_base] |
||
804 | mov [eax+SRV.base], ebx |
||
805 | ret |
||
806 | .fail: |
||
807 | xor eax, eax |
||
808 | ret |
||
164 | serge | 809 | endp |
810 | |||
198 | serge | 811 | align 4 |
812 | proc load_library stdcall, file_name:dword |
||
813 | locals |
||
814 | coff dd ? |
||
815 | sym dd ? |
||
816 | strings dd ? |
||
817 | img_size dd ? |
||
818 | img_base dd ? |
||
819 | exports dd ? |
||
820 | endl |
||
821 | |||
822 | cli |
||
823 | |||
824 | stdcall load_file, [file_name] |
||
825 | |||
826 | test eax, eax |
||
827 | jz .fail |
||
828 | |||
829 | mov [coff], eax |
||
830 | movzx ecx, [eax+CFH.nSections] |
||
831 | xor ebx, ebx |
||
832 | |||
833 | lea edx, [eax+20] |
||
834 | @@: |
||
835 | add ebx, [edx+CFS.SizeOfRawData] |
||
836 | add ebx, 15 |
||
837 | and ebx, not 15 |
||
838 | add edx, 18 |
||
839 | dec ecx |
||
840 | jnz @B |
||
841 | mov [img_size], ebx |
||
842 | |||
843 | call init_heap |
||
844 | stdcall user_alloc, [img_size] |
||
845 | |||
846 | test eax, eax |
||
847 | jz .fail |
||
848 | mov [img_base], eax |
||
849 | |||
850 | mov edx, [coff] |
||
851 | movzx ebx, [edx+CFH.nSections] |
||
852 | mov edi, [img_base] |
||
853 | lea eax, [edx+20] |
||
854 | @@: |
||
855 | mov [eax+CFS.VirtualAddress], edi |
||
856 | mov esi, [eax+CFS.PtrRawData] |
||
857 | test esi, esi |
||
858 | jnz .copy |
||
859 | add edi, [eax+CFS.SizeOfRawData] |
||
860 | jmp .next |
||
861 | .copy: |
||
862 | add esi, edx |
||
863 | add edi, new_app_base |
||
864 | mov ecx, [eax+CFS.SizeOfRawData] |
||
865 | cld |
||
866 | rep movsb |
||
867 | .next: |
||
868 | add edi, 15-new_app_base |
||
869 | and edi, not 15 |
||
870 | add eax, 40 |
||
871 | dec ebx |
||
872 | jnz @B |
||
873 | |||
874 | mov ebx, [edx+CFH.pSymTable] |
||
875 | add ebx, edx |
||
876 | mov [sym], ebx |
||
877 | mov ecx, [edx+CFH.nSymbols] |
||
878 | add ecx,ecx |
||
879 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
880 | add ecx, [sym] |
||
881 | mov [strings], ecx |
||
882 | |||
883 | lea eax, [edx+20] |
||
884 | |||
885 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
886 | [strings], dword 0 |
||
887 | test eax, eax |
||
888 | jnz @F |
||
889 | |||
890 | @@: |
||
891 | mov edx, [coff] |
||
892 | movzx ebx, [edx+CFH.nSections] |
||
893 | mov edi, new_app_base |
||
894 | lea eax, [edx+20] |
||
895 | @@: |
||
896 | add [eax+CFS.VirtualAddress], edi ;patch user space offset |
||
897 | add eax, 40 |
||
898 | dec ebx |
||
899 | jnz @B |
||
900 | |||
901 | add edx, 20 |
||
902 | stdcall fix_coff_relocs, [coff], edx, [sym] |
||
903 | |||
904 | mov ebx, [coff] |
||
905 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szEXPORTS |
||
906 | mov [exports], eax |
||
907 | |||
908 | stdcall kernel_free, [coff] |
||
909 | mov eax, [exports] |
||
910 | ret |
||
911 | .fail: |
||
912 | xor eax, eax |
||
913 | ret |
||
914 | endp |
||
915 | |||
916 | |||
188 | serge | 917 | drv_sound db '/rd/1/unisound.obj', 0 |
918 | drv_infinity db '/rd/1/infinity.obj', 0 |
||
164 | serge | 919 | |
920 | szSound db 'SOUND',0 |
||
921 | szInfinity db 'INFINITY',0 |
||
922 | |||
923 | szSTART db 'START',0 |
||
924 | szEXPORTS db 'EXPORTS',0 |
||
925 | szIMPORTS db 'IMPORTS',0 |
||
926 | |||
188 | serge | 927 | msg_unresolved db 'unresolved ',0 |
928 | msg_module db 'in module ',0 |
||
929 | msg_CR db 13,10,0 |
||
930 | |||
164 | serge | 931 | align 16 |
932 | services: |
||
933 | dd szSound, drv_sound |
||
934 | dd szInfinity, drv_infinity |
||
935 | dd 0 |