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Rev | Author | Line No. | Line |
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425 | victor | 1 | $Revision: 431 $ |
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 | |
227 | serge | 9 | DRV_ENTRY equ 1 |
10 | DRV_EXIT equ -1 |
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378 | serge | 11 | DRV_COMPAT equ 4 ;minimal required drivers version |
12 | DRV_CURRENT equ 4 ;current drivers model version |
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214 | serge | 13 | |
227 | serge | 14 | DRV_VERSION equ (DRV_COMPAT shl 16) or DRV_CURRENT |
15 | |||
164 | serge | 16 | align 4 |
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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380 | serge | 166 | test dword [ebx+SLOT_BASE+0xA8],EVENT_NOTIFY |
164 | serge | 167 | jz @f |
380 | serge | 168 | and dword [ebx+SLOT_BASE+0xA8], not EVENT_NOTIFY |
164 | serge | 169 | mov edi, [p_ev] |
170 | mov dword [edi], EV_INTR |
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380 | serge | 171 | mov eax, [ebx+SLOT_BASE+APPDATA.event] |
164 | serge | 172 | mov dword [edi+4], eax |
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 | |||
377 | serge | 251 | ; param |
252 | ; ebx= io_control |
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253 | ; |
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254 | ; retval |
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255 | ; eax= error code |
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256 | |||
164 | serge | 257 | align 4 |
377 | serge | 258 | srv_handlerEx: |
259 | test ebx, ebx |
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260 | jz .fail |
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261 | add ebx, new_app_base |
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164 | serge | 262 | |
377 | serge | 263 | mov eax, [ebx+handle] |
264 | cmp [eax+SRV.magic], ' SRV' |
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164 | serge | 265 | jne .fail |
266 | |||
377 | serge | 267 | cmp [eax+SRV.size], SRV_SIZE |
164 | serge | 268 | jne .fail |
269 |