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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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294 | endl |
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295 | |||
296 | mov eax, [sz_name] |
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297 | test eax, eax |
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298 | jz .fail |
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299 | |||
300 | mov [srv_ptr], srv_tab |
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301 | mov [counter], 16 |
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302 | @@: |
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303 | stdcall strncmp, [srv_ptr], [sz_name], 16 |
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304 | test eax, eax |
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305 | je .ok |
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306 | |||
307 | add [srv_ptr], SRV_SIZE |
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308 | dec [counter] |
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309 | jnz @B |
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310 | .not_load: |
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311 | |||
312 | stdcall find_service, [sz_name] |
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313 | test eax, eax |
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314 | jz .fail |
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315 | |||
316 | stdcall load_lib, eax |
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317 | test eax, eax |
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318 | jz .fail |
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319 | |||
320 | mov [srv_ptr], srv_tab |
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321 | mov [counter], 16 |
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322 | @@: |
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323 | stdcall strncmp, [srv_ptr], [sz_name], 16 |
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324 | test eax, eax |
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325 | je .ok |
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326 | |||
327 | add [srv_ptr], SRV_SIZE |
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328 | dec [counter] |
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329 | jnz @B |
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330 | .fail: |
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331 | xor eax, eax |
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332 | ret |
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333 | .ok: |
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334 | mov eax, [srv_ptr] |
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335 | ret |
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336 | endp |
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337 | |||
338 | align 4 |
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339 | proc find_service stdcall ,sz_name:dword |
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340 | |||
341 | mov eax, [sz_name] |
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342 | test eax, eax |
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343 | jz .fail |
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344 | |||
345 | mov esi, services |
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346 | @@: |
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347 | mov eax, [esi] |
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348 | test eax, eax |
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349 | jz .fail |
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350 | push esi |
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351 | stdcall strncmp, eax, [sz_name], 16 |
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352 | pop esi |
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353 | test eax, eax |
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354 | je .ok |
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355 | |||
356 | add esi, 8 |
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357 | jmp @B |
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358 | .ok: |
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359 | mov eax, [esi+4] |
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360 | ret |
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361 | .fail: |
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362 | xor eax, eax |
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363 | ret |
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364 | endp |
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365 | |||
366 | align 4 |
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367 | proc reg_service stdcall, sz_name:dword, handler:dword |
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368 | locals |
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369 | srv dd ? |
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370 | endl |
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371 | |||
372 | mov eax, [sz_name] |
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373 | test eax, eax |
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374 | jz .fail |
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375 | |||
376 | mov ebx, [handler] |
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377 | test ebx, ebx |
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378 | jz .fail |
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379 | |||
380 | call alloc_service |
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381 | test eax, eax |
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382 | jz .fail |
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383 | |||
384 | mov [srv], eax |
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385 | mov edi, eax |
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386 | mov esi, [sz_name] |
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387 | mov ecx, 16 |
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388 | rep movsb |
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389 | |||
390 | mov edi, eax |
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391 | mov [edi+SRV.magic], ' SRV' |
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392 | mov [edi+SRV.size], SRV_SIZE |
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393 | mov ebx, [handler] |
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394 | mov [edi+SRV.srv_proc], ebx |
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395 | mov eax, [srv] |
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396 | ret |
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397 | .fail: |
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398 | xor eax, eax |
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399 | ret |
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400 | endp |
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401 | |||
402 | align 4 |
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403 | proc get_proc stdcall, exp:dword, sz_name:dword |
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404 | |||
405 | mov edx, [exp] |
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406 | .next: |
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407 | mov eax, [edx] |
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408 | test eax, eax |
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409 | jz .end |
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410 | |||
411 | push edx |
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412 | stdcall strncmp, eax, [sz_name], 16 |
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413 | pop edx |
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414 | test eax, eax |
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415 | jz .ok |
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416 | |||
417 | add edx,8 |
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418 | jmp .next |
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419 | .ok: |
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420 | mov eax, [edx+4] |
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421 | .end: |
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422 | ret |
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423 | endp |
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424 | |||
425 | align 4 |
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426 | proc link_dll stdcall, exp:dword, imp:dword |
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427 | mov esi, [imp] |
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428 | .next: |
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429 | mov eax, [esi] |
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430 | test eax, eax |
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431 | jz .end |
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432 | |||
433 | push esi |
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434 | stdcall get_proc, [exp], eax |
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435 | pop esi |
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436 | |||
437 | test eax, eax |
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438 | jz @F |
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439 | |||
440 | mov [esi], eax |
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441 | @@: |
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442 | add esi, 4 |
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443 | jmp .next |
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444 | .end: |
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445 | ret |
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446 | endp |
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447 | |||
448 | align 4 |
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449 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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450 | |||
451 | @@: |
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452 | stdcall strncmp, [pSym], [sz_sym], 8 |
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453 | test eax,eax |
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454 | jz .ok |
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455 | add [pSym], 18 |
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456 | dec [count] |
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457 | jnz @b |
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458 | xor eax, eax |
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459 | ret |
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460 | .ok: |
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461 | mov ebx, [pSym] |
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462 | mov eax, [ebx+8] |
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463 | ret |
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464 | endp |
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465 | |||
466 | align 4 |
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467 | proc load_lib stdcall, name:dword |
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468 | locals |
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469 | lib dd ? |
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470 | base dd ? |
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471 | pSym dd ? |
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472 | endl |
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473 | |||
474 | mov eax, [name] |
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475 | mov ebx, 1 ;index of first block |
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476 | mov ecx, 32 ;number of blocks |
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477 | mov edx, TMP_BUFF ;temp area |
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478 | mov esi, 12 ;file name length |
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479 | |||
480 | call fileread ;read file from RD |
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481 | |||
482 | cmp eax,0 |
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483 | jne .err |
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484 | |||
485 | ; mov eax, [TMP_BUFF+CFH.pSymTable] |
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486 | ; add eax, TMP_BUFF |
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487 | ; mov [pSym], eax |
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488 | |||
489 | ; mov [TMP_BUFF+20+CFS.VirtualAddress], eax |
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490 | |||
491 | stdcall kernel_alloc, [TMP_BUFF+20+CFS.SizeOfRawData] |
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492 | mov [base], eax |
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493 | |||
494 | test eax, eax |
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495 | jnz @f |
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496 | @@: |
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497 | mov [TMP_BUFF+20+CFS.VirtualAddress], eax |
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498 | mov ebx, [TMP_BUFF+CFH.pSymTable] |
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499 | add ebx, TMP_BUFF |
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500 | mov [pSym], ebx |
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501 | |||
502 | stdcall LinkSection, TMP_BUFF, TMP_BUFF+20, ebx |
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503 | |||
504 | mov edi, [base] |
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505 | test edi, edi |
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506 | jnz @f |
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507 | @@: |
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508 | mov esi, [TMP_BUFF+20+CFS.PtrRawData] |
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509 | add esi, TMP_BUFF |
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510 | mov ecx, [TMP_BUFF+20+CFS.SizeOfRawData] |
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511 | rep movsb |
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512 | |||
513 | call alloc_dll |
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514 | test eax, eax |
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515 | jnz @f |
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516 | @@: |
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517 | mov [lib], eax |
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518 | |||
519 | mov edi, eax |
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520 | mov esi, [name] |
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521 | mov ecx, 16 |
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522 | rep movsb |
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523 | |||
524 | stdcall get_coff_sym,[pSym],[TMP_BUFF+CFH.nSymbols],szSTART |
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525 | mov edi, [lib] |
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526 | add eax, [base] |
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527 | mov [edi+LIB.lib_start], eax |
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528 | mov ebx, [base] |
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529 | mov [edi+LIB.lib_base], ebx |
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530 | |||
531 | stdcall get_coff_sym,[pSym],[TMP_BUFF+CFH.nSymbols], szEXPORTS |
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532 | mov edi, [lib] |
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533 | add eax, [base] |
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534 | mov [edi+LIB.export], eax |
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535 | |||
536 | stdcall get_coff_sym,[pSym],[TMP_BUFF+CFH.nSymbols], szIMPORTS |
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537 | mov edi, [lib] |
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538 | add eax, [base] |
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539 | mov [edi+LIB.import], eax |
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540 | |||
541 | stdcall link_dll, kernel_export, eax |
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542 | |||
543 | mov edi, [lib] |
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544 | call [edi+LIB.lib_start] |
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545 | |||
546 | mov eax, [lib] |
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547 | ret |
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548 | .err: |
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549 | xor eax, eax |
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550 | ret |
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551 | |||
552 | endp |
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553 | |||
554 | align 4 |
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555 | proc LinkSection stdcall, pCoff:dword, pSec:dword, pSym:dword |
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556 | locals |
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557 | pCode dd ? |
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558 | endl |
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559 | |||
560 | mov esi, [pSec] |
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561 | mov eax, [esi+CFS.PtrRawData] |
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562 | add eax, [pCoff] |
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563 | mov [pCode], eax |
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564 | |||
565 | mov edi, [esi+CFS.PtrReloc] |
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566 | add edi, [pCoff] |
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567 | |||
568 | movzx edx, [esi+CFS.NumReloc] |
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569 | mov eax, edx |
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570 | lea edx, [edx+edx*8] |
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571 | add edx, eax |
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572 | add edx, edi |
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573 | .l_0: |
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574 | cmp edi, edx |
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575 | jae .exit |
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576 | |||
577 | mov ebx, [edi+CRELOC.SymIndex] |
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578 | add ebx,ebx |
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579 | lea ebx,[ebx+ebx*8] |
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580 | |||
581 | add ebx, [pSym] |
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582 | |||
583 | mov ecx, [ebx+CSYM.Value] |
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584 | add ecx, [esi+CFS.VirtualAddress] |
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585 | |||
586 | mov eax, [edi+CRELOC.VirtualAddress] |
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587 | add eax, [pCode] |
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588 | add [eax], ecx |
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589 | add edi, 10 |
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590 | jmp .l_0 |
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591 | |||
592 | .exit: |
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593 | ret |
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594 | endp |
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595 | |||
596 | proc get_curr_task |
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597 | mov eax,[CURRENT_TASK] |
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598 | shl eax, 8 |
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599 | ret |
||
600 | endp |
||
601 | |||
602 | drv_sound db 'UNISOUNDOBJ', 0 |
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603 | drv_infinity db 'INFINITYOBJ', 0 |
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604 | |||
605 | szSound db 'SOUND',0 |
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606 | szInfinity db 'INFINITY',0 |
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607 | |||
608 | szSTART db 'START',0 |
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609 | szEXPORTS db 'EXPORTS',0 |
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610 | szIMPORTS db 'IMPORTS',0 |
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611 | |||
612 | align 16 |
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613 | services: |
||
614 | dd szSound, drv_sound |
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615 | dd szInfinity, drv_infinity |
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616 | dd 0 |