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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 | |||
377 | serge | 270 | add [ebx+input], new_app_base |
271 | add [ebx+output], new_app_base |
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164 | serge | 272 | |
377 | serge | 273 | stdcall [eax+SRV.srv_proc], ebx |
164 | serge | 274 | ret |
275 | .fail: |
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377 | serge | 276 | or eax, -1 |
164 | serge | 277 | ret |
278 | |||
279 | restore handle |
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280 | restore io_code |
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281 | restore input |
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282 | restore inp_size |
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283 | restore output |
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284 | restore out_size |
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285 | |||
286 | align 4 |
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287 | proc get_service stdcall, sz_name:dword |
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188 | serge | 288 | mov eax, [sz_name] |
289 | test eax, eax |
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290 | jnz @F |
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291 | ret |
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164 | serge | 292 | @@: |
278 | serge | 293 | mov edx, [srv.fd] |
188 | serge | 294 | @@: |
278 | serge | 295 | cmp edx, srv.fd-SRV_FD_OFFSET |
296 | je .not_load |
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297 | |||
298 | stdcall strncmp, edx, [sz_name], 16 |
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188 | serge | 299 | test eax, eax |
300 | je .ok |
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164 | serge | 301 | |
278 | serge | 302 | mov edx, [edx+SRV.fd] |
303 | jmp @B |
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164 | serge | 304 | .not_load: |
346 | diamond | 305 | pop ebp |
306 | jmp load_driver |
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164 | serge | 307 | .ok: |
278 | serge | 308 | mov eax, edx |
188 | serge | 309 | ret |
164 | serge | 310 | endp |
311 | |||
312 | align 4 |
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278 | serge | 313 | reg_service: |
314 | .sz_name equ esp+4 |
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315 | .handler equ esp+8 |
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316 | mov eax, [.sz_name] |
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164 | serge | 317 | test eax, eax |
318 | jz .fail |
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319 | |||
278 | serge | 320 | mov ebx, [.handler] |
164 | serge | 321 | test ebx, ebx |
322 | jz .fail |
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323 | |||
278 | serge | 324 | mov eax, SRV_SIZE |
325 | call malloc ;call alloc_service |
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164 | serge | 326 | test eax, eax |
327 | jz .fail |
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328 | |||
329 | mov edi, eax |
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278 | serge | 330 | mov esi, [.sz_name] |
331 | mov ecx, 16/4 |
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332 | rep movsd |
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164 | serge | 333 | |
278 | serge | 334 | mov [eax+SRV.magic], ' SRV' |
335 | mov [eax+SRV.size], SRV_SIZE |
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336 | |||
337 | mov ebx, srv.fd-SRV_FD_OFFSET |
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338 | mov edx, [ebx+SRV.fd] |
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339 | mov [eax+SRV.fd], edx |
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340 | mov [eax+SRV.bk], ebx |
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341 | mov [ebx+SRV.fd], eax |
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342 | mov [edx+SRV.bk], eax |
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343 | |||
344 | mov ecx, [.handler] |
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345 | mov [eax+SRV.srv_proc], ecx |
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281 | serge | 346 | ret 8 |
164 | serge | 347 | .fail: |
348 | xor eax, eax |
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281 | serge | 349 | ret 8 |
164 | serge | 350 | |
351 | align 4 |
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352 | proc get_proc stdcall, exp:dword, sz_name:dword |
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353 | |||
354 | mov edx, [exp] |
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355 | .next: |
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356 | mov eax, [edx] |
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357 | test eax, eax |
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358 | jz .end |
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359 | |||
360 | push edx |
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361 | stdcall strncmp, eax, [sz_name], 16 |
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362 | pop edx |
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363 | test eax, eax |
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364 | jz .ok |
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365 | |||
366 | add edx,8 |
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367 | jmp .next |
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368 | .ok: |
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369 | mov eax, [edx+4] |
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370 | .end: |
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371 | ret |
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372 | endp |
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373 | |||
374 | align 4 |
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375 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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376 | |||
377 | @@: |
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378 | stdcall strncmp, [pSym], [sz_sym], 8 |
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379 | test eax,eax |
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380 | jz .ok |
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381 | add [pSym], 18 |
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382 | dec [count] |
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383 | jnz @b |
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384 | xor eax, eax |
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385 | ret |
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386 | .ok: |
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387 | mov ebx, [pSym] |
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388 | mov eax, [ebx+8] |
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389 | ret |
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390 | endp |
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391 | |||
392 | align 4 |
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188 | serge | 393 | proc get_curr_task |
394 | mov eax,[CURRENT_TASK] |
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395 | shl eax, 8 |
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396 | ret |
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397 | endp |
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164 | serge | 398 | |
188 | serge | 399 | align 4 |
400 | proc get_fileinfo stdcall, file_name:dword, info:dword |
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401 | locals |
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402 | cmd dd ? |
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403 | offset dd ? |
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404 | dd ? |
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405 | count dd ? |
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406 | buff dd ? |
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407 | db ? |
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408 | name dd ? |
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409 | endl |
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164 | serge | 410 | |
188 | serge | 411 | xor eax, eax |
412 | mov ebx, [file_name] |
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413 | sub ebx, new_app_base |
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414 | mov ecx, [info] |
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415 | sub ecx, new_app_base |
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164 | serge | 416 | |
188 | serge | 417 | mov [cmd], 5 |
418 | mov [offset], eax |
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419 | mov [offset+4], eax |
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420 | mov [count], eax |
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421 | mov [buff], ecx |
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422 | mov byte [buff+4], al |
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423 | mov [name], ebx |
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164 | serge | 424 | |
188 | serge | 425 | mov eax, 70 |
426 | lea ebx, [cmd] |
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427 | sub ebx, new_app_base |
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428 | int 0x40 |
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429 | ret |
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430 | endp |
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164 | serge | 431 | |
188 | serge | 432 | align 4 |
433 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
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434 | bytes:dword |
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435 | locals |
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436 | cmd dd ? |
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437 | offset dd ? |
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438 | dd ? |
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439 | count dd ? |
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440 | buff dd ? |
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441 | db ? |
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442 | name dd ? |
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443 | endl |
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164 | serge | 444 | |
188 | serge | 445 | xor eax, eax |
446 | mov ebx, [file_name] |
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447 | mov ecx, [off] |
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448 | mov edx, [bytes] |
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449 | mov esi, [buffer] |
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450 | sub ebx, new_app_base |
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451 | sub esi, new_app_base |
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164 | serge | 452 | |
188 | serge | 453 | mov [cmd], eax |
454 | mov [offset], ecx |
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455 | mov [offset+4], eax |
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456 | mov [count], edx |
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457 | mov [buff], esi |
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458 | mov byte [buff+4], al |
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459 | mov [name], ebx |
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460 | |||
429 | serge | 461 | pushad |
462 | push eax |
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463 | lea eax, [cmd] |
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464 | sub eax, new_app_base |
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465 | call file_system_lfn |
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466 | pop eax |
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467 | popad |
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188 | serge | 468 | ret |
469 | endp |
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470 | |||
363 | serge | 471 | ; description |
472 | ; allocate kernel memory and loads the specified file |
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473 | ; |
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474 | ; param |
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475 | ; file_name= full path to file |
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476 | ; |
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477 | ; retval |
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478 | ; eax= file image in kernel memory |
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479 | ; ebx= size of file |
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480 | ; |
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481 | ; warging |
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482 | ; You mast call kernel_free() to delete each file |
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483 | ; loaded by the load_file() function |
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484 | |||
188 | serge | 485 | align 4 |
486 | proc load_file stdcall, file_name:dword |
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487 | locals |
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488 | attr dd ? |
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489 | flags dd ? |
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490 | cr_time dd ? |
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491 | cr_date dd ? |
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492 | acc_time dd ? |
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493 | acc_date dd ? |
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494 | mod_time dd ? |
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495 | mod_date dd ? |
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496 | file_size dd ? |
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497 | |||
498 | file dd ? |
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211 | serge | 499 | file2 dd ? |
188 | serge | 500 | endl |
501 | |||
502 | lea eax, [attr] |
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503 | stdcall get_fileinfo, [file_name], eax |
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164 | serge | 504 | test eax, eax |
188 | serge | 505 | jnz .fail |
164 | serge | 506 | |
206 | serge | 507 | mov eax, [file_size] |
237 | serge | 508 | cmp eax, 1024*1024*16 |
509 | ja .fail |
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206 | serge | 510 | |
188 | serge | 511 | stdcall kernel_alloc, [file_size] |
512 | mov [file], eax |
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164 | serge | 513 | |
188 | serge | 514 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
515 | cmp ebx, [file_size] |
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516 | jne .cleanup |
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211 | serge | 517 | |
188 | serge | 518 | mov eax, [file] |
211 | serge | 519 | cmp dword [eax], 0x4B43504B |
520 | jne .exit |
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237 | serge | 521 | mov ebx, [eax+4] |
522 | mov [file_size], ebx |
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523 | stdcall kernel_alloc, ebx |
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211 | serge | 524 | |
525 | test eax, eax |
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526 | jz .cleanup |
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527 | |||
528 | mov [file2], eax |
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529 | stdcall unpack, [file], eax |
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530 | stdcall kernel_free, [file] |
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531 | mov eax, [file2] |
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237 | serge | 532 | mov ebx, [file_size] |
211 | serge | 533 | .exit: |
269 | serge | 534 | push eax |
535 | lea edi, [eax+ebx] ;cleanup remain space |
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357 | serge | 536 | mov ecx, 4096 ;from file end |
537 | and ebx, 4095 |
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269 | serge | 538 | sub ecx, ebx |
539 | xor eax, eax |
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540 | cld |
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541 | rep stosb |
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357 | serge | 542 | mov ebx, [file_size] |
269 | serge | 543 | pop eax |
188 | serge | 544 | ret |
545 | .cleanup: |
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546 | stdcall kernel_free, [file] |
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547 | .fail: |
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548 | xor eax, eax |
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237 | serge | 549 | xor ebx, ebx |
188 | serge | 550 | ret |
551 | endp |
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164 | serge | 552 | |
188 | serge | 553 | align 4 |
554 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
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555 | |||
556 | .look_up: |
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557 | mov edx, [imports] |
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198 | serge | 558 | test edx, edx |
559 | jz .end |
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188 | serge | 560 | mov edx, [edx] |
561 | test edx, edx |
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562 | jz .end |
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563 | .next: |
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564 | mov eax, [edx] |
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164 | serge | 565 | test eax, eax |
188 | serge | 566 | jz .next_table |
164 | serge | 567 | |
188 | serge | 568 | push edx |
569 | stdcall strncmp, eax, [proc_name], 16 |
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570 | pop edx |
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571 | test eax, eax |
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572 | jz .ok |
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164 | serge | 573 | |
188 | serge | 574 | add edx,8 |
575 | jmp .next |
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576 | .next_table: |
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577 | add [imports], 4 |
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578 | jmp .look_up |
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579 | .ok: |
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580 | mov eax, [edx+4] |
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581 | ret |
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582 | .end: |
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583 | xor eax, eax |
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584 | ret |
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585 | endp |
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164 | serge | 586 | |
188 | serge | 587 | align 4 |
588 | proc fix_coff_symbols stdcall, sec:dword, symbols:dword,\ |
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589 | sym_count:dword, strings:dword, imports:dword |
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590 | locals |
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591 | retval dd ? |
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592 | endl |
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164 | serge | 593 | |
188 | serge | 594 | mov edi, [symbols] |
595 | mov [retval], 1 |
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596 | .fix: |
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597 | movzx ebx, [edi+CSYM.SectionNumber] |
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598 | test ebx, ebx |
||
599 | jnz .internal |
||
600 | mov eax, dword [edi+CSYM.Name] |
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601 | test eax, eax |
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602 | jnz @F |
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164 | serge | 603 | |
188 | serge | 604 | mov edi, [edi+4] |
605 | add edi, [strings] |
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606 | @@: |
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607 | push edi |
||
608 | stdcall get_proc_ex, edi,[imports] |
||
609 | pop edi |
||
164 | serge | 610 | |
188 | serge | 611 | xor ebx, ebx |
612 | test eax, eax |
||
613 | jnz @F |
||
164 | serge | 614 | |
188 | serge | 615 | mov esi, msg_unresolved |
616 | call sys_msg_board_str |
||
617 | mov esi, edi |
||
618 | call sys_msg_board_str |
||
619 | mov esi, msg_CR |
||
620 | call sys_msg_board_str |
||
164 | serge | 621 | |
188 | serge | 622 | mov [retval],0 |
623 | @@: |
||
624 | mov edi, [symbols] |
||
625 | mov [edi+CSYM.Value], eax |
||
626 | jmp .next |
||
627 | .internal: |
||
628 | dec ebx |
||
629 | shl ebx, 3 |
||
630 | lea ebx, [ebx+ebx*4] |
||
631 | add ebx, [sec] |
||
632 | |||
633 | mov eax, [ebx+CFS.VirtualAddress] |
||
634 | add [edi+CSYM.Value], eax |
||
635 | .next: |
||
636 | add edi, CSYM_SIZE |
||
637 | mov [symbols], edi |
||
638 | dec [sym_count] |
||
639 | jnz .fix |
||
640 | mov eax, [retval] |
||
641 | ret |
||
164 | serge | 642 | endp |
643 | |||
644 | align 4 |
||
188 | serge | 645 | proc fix_coff_relocs stdcall, coff:dword, sec:dword, sym:dword |
164 | serge | 646 | locals |
188 | serge | 647 | n_sec dd ? |
164 | serge | 648 | endl |
649 | |||
188 | serge | 650 | mov eax, [coff] |
651 | movzx ebx, [eax+CFH.nSections] |
||
652 | mov [n_sec], ebx |
||
653 | .fix_sec: |
||
654 | mov esi, [sec] |
||
164 | serge | 655 | mov edi, [esi+CFS.PtrReloc] |
188 | serge | 656 | add edi, [coff] |
164 | serge | 657 | |
188 | serge | 658 | movzx ecx, [esi+CFS.NumReloc] |
659 | test ecx, ecx |
||
660 | jz .next |
||
661 | .next_reloc: |
||
164 | serge | 662 | mov ebx, [edi+CRELOC.SymIndex] |
663 | add ebx,ebx |
||
664 | lea ebx,[ebx+ebx*8] |
||
188 | serge | 665 | add ebx, [sym] |
164 | serge | 666 | |
188 | serge | 667 | mov edx, [ebx+CSYM.Value] |
164 | serge | 668 | |
188 | serge | 669 | cmp [edi+CRELOC.Type], 6 |
670 | je .dir_32 |
||
164 | serge | 671 | |
188 | serge | 672 | cmp [edi+CRELOC.Type], 20 |
673 | jne .next_reloc |
||
674 | .rel_32: |
||
164 | serge | 675 | mov eax, [edi+CRELOC.VirtualAddress] |
188 | serge | 676 | add eax, [esi+CFS.VirtualAddress] |
677 | sub edx, eax |
||
678 | sub edx, 4 |
||
679 | jmp .fix |
||
680 | .dir_32: |
||
681 | mov eax, [edi+CRELOC.VirtualAddress] |
||
682 | add eax, [esi+CFS.VirtualAddress] |
||
683 | .fix: |
||
684 | add [eax], edx |
||
685 | add edi, 10 |
||
686 | dec ecx |
||
687 | jnz .next_reloc |
||
688 | .next: |
||
206 | serge | 689 | add [sec], COFF_SECTION_SIZE |
188 | serge | 690 | dec [n_sec] |
691 | jnz .fix_sec |
||
164 | serge | 692 | .exit: |
693 | ret |
||
694 | endp |
||
695 | |||
188 | serge | 696 | align 4 |
346 | diamond | 697 | proc load_driver stdcall, driver_name:dword |
188 | serge | 698 | locals |
699 | coff dd ? |
||
700 | sym dd ? |
||
701 | strings dd ? |
||
702 | img_size dd ? |
||
703 | img_base dd ? |
||
704 | start dd ? |
||
705 | |||
706 | exports dd ? ;fake exports table |
||
707 | dd ? |
||
346 | diamond | 708 | file_name rb 14+16+4+1 ; '/rd/1/drivers/ |
188 | serge | 709 | endl |
710 | |||
346 | diamond | 711 | lea edx, [file_name] |
712 | mov dword [edx], '/rd/' |
||
713 | mov dword [edx+4], '1/dr' |
||
714 | mov dword [edx+8], 'iver' |
||
715 | mov word [edx+12], 's/' |
||
716 | mov esi, [driver_name] |
||
717 | lea edi, [edx+14] |
||
718 | mov ecx, 16 |
||
719 | @@: |
||
720 | lodsb |
||
721 | test al, al |
||
722 | jz @f |
||
723 | stosb |
||
724 | loop @b |
||
725 | @@: |
||
726 | mov dword [edi], '.obj' |
||
727 | mov byte [edi+4], 0 |
||
728 | stdcall load_file, edx |
||
214 | serge | 729 | |
188 | serge | 730 | test eax, eax |
227 | serge | 731 | jz .exit |
188 | serge | 732 | |
733 | mov [coff], eax |
||
734 | |||
735 | movzx ecx, [eax+CFH.nSections] |
||
736 | xor ebx, ebx |
||
737 | |||
738 | lea edx, [eax+20] |
||
739 | @@: |
||
740 | add ebx, [edx+CFS.SizeOfRawData] |
||
741 | add ebx, 15 |
||
742 | and ebx, not 15 |
||
206 | serge | 743 | add edx, COFF_SECTION_SIZE |
188 | serge | 744 | dec ecx |
745 | jnz @B |
||
746 | mov [img_size], ebx |
||
747 | |||
748 | stdcall kernel_alloc, ebx |
||
749 | test eax, eax |
||
750 | jz .fail |
||
751 | mov [img_base], eax |
||
752 | |||
753 | mov edi, eax |
||
754 | xor eax, eax |
||
755 | mov ecx, [img_size] |
||
756 | add ecx, 4095 |
||
757 | and ecx, not 4095 |
||
758 | shr ecx, 2 |
||
759 | cld |
||
760 | rep stosd |
||
761 | |||
762 | mov edx, [coff] |
||
763 | movzx ebx, [edx+CFH.nSections] |
||
764 | mov edi, [img_base] |
||
765 | lea eax, [edx+20] |
||
766 | @@: |
||
767 | mov [eax+CFS.VirtualAddress], edi |
||
768 | mov esi, [eax+CFS.PtrRawData] |
||
769 | test esi, esi |
||
770 | jnz .copy |
||
771 | add edi, [eax+CFS.SizeOfRawData] |
||
772 | jmp .next |
||
773 | .copy: |
||
774 | add esi, edx |
||
775 | mov ecx, [eax+CFS.SizeOfRawData] |
||
776 | cld |
||
777 | rep movsb |
||
778 | .next: |
||
779 | add edi, 15 |
||
780 | and edi, not 15 |
||
206 | serge | 781 | add eax, COFF_SECTION_SIZE |
188 | serge | 782 | dec ebx |
783 | jnz @B |
||
784 | |||
785 | mov ebx, [edx+CFH.pSymTable] |
||
786 | add ebx, edx |
||
787 | mov [sym], ebx |
||
788 | mov ecx, [edx+CFH.nSymbols] |
||
789 | add ecx,ecx |
||
790 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
791 | add ecx, [sym] |
||
792 | mov [strings], ecx |
||
793 | |||
794 | lea ebx, [exports] |
||
795 | mov dword [ebx], kernel_export |
||
796 | mov dword [ebx+4], 0 |
||
797 | lea eax, [edx+20] |
||
798 | |||
799 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
800 | [strings], ebx |
||
801 | test eax, eax |
||
227 | serge | 802 | jz .link_fail |
188 | serge | 803 | |
804 | mov ebx, [coff] |
||
805 | add ebx, 20 |
||
806 | stdcall fix_coff_relocs, [coff], ebx, [sym] |
||
807 | |||
808 | mov ebx, [coff] |
||
227 | serge | 809 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szVersion |
810 | test eax, eax |
||
811 | jz .link_fail |
||
812 | |||
813 | mov eax, [eax] |
||
814 | shr eax, 16 |
||
815 | cmp eax, DRV_COMPAT |
||
816 | jb .ver_fail |
||
817 | |||
818 | cmp eax, DRV_CURRENT |
||
819 | ja .ver_fail |
||
820 | |||
821 | mov ebx, [coff] |
||
188 | serge | 822 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szSTART |
823 | mov [start], eax |
||
824 | |||
825 | stdcall kernel_free, [coff] |
||
826 | |||
827 | mov ebx, [start] |
||
214 | serge | 828 | stdcall ebx, DRV_ENTRY |
188 | serge | 829 | test eax, eax |
830 | jnz .ok |
||
831 | |||
832 | stdcall kernel_free, [img_base] |
||
833 | xor eax, eax |
||
834 | ret |
||
835 | .ok: |
||
836 | mov ebx, [img_base] |
||
837 | mov [eax+SRV.base], ebx |
||
214 | serge | 838 | mov ecx, [start] |
839 | mov [eax+SRV.entry], ecx |
||
188 | serge | 840 | ret |
227 | serge | 841 | |
842 | .ver_fail: |
||
843 | mov esi, msg_CR |
||
844 | call sys_msg_board_str |
||
346 | diamond | 845 | mov esi, [driver_name] |
227 | serge | 846 | call sys_msg_board_str |
847 | mov esi, msg_CR |
||
848 | call sys_msg_board_str |
||
849 | mov esi, msg_version |
||
850 | call sys_msg_board_str |
||
851 | mov esi, msg_www |
||
852 | call sys_msg_board_str |
||
853 | jmp .cleanup |
||
854 | |||
855 | .link_fail: |
||
856 | mov esi, msg_module |
||
857 | call sys_msg_board_str |
||
346 | diamond | 858 | mov esi, [driver_name] |
227 | serge | 859 | call sys_msg_board_str |
860 | mov esi, msg_CR |
||
861 | call sys_msg_board_str |
||
862 | .cleanup: |
||
863 | stdcall kernel_free,[img_base] |
||
188 | serge | 864 | .fail: |
227 | serge | 865 | stdcall kernel_free, [coff] |
866 | .exit: |
||
188 | serge | 867 | xor eax, eax |
868 | ret |
||
164 | serge | 869 | endp |
870 | |||
198 | serge | 871 | align 4 |
872 | proc load_library stdcall, file_name:dword |
||
873 | locals |
||
874 | coff dd ? |
||
875 | sym dd ? |
||
876 | strings dd ? |
||
877 | img_size dd ? |
||
878 | img_base dd ? |
||
879 | exports dd ? |
||
880 | endl |
||
881 | |||
882 | cli |
||
883 | |||
884 | stdcall load_file, [file_name] |
||
885 | test eax, eax |
||
886 | jz .fail |
||
887 | |||
888 | mov [coff], eax |
||
889 | movzx ecx, [eax+CFH.nSections] |
||
890 | xor ebx, ebx |
||
891 | |||
892 | lea edx, [eax+20] |
||
893 | @@: |
||
894 | add ebx, [edx+CFS.SizeOfRawData] |
||
895 | add ebx, 15 |
||
896 | and ebx, not 15 |
||
206 | serge | 897 | add edx, COFF_SECTION_SIZE |
198 | serge | 898 | dec ecx |
899 | jnz @B |
||
900 | mov [img_size], ebx |
||
901 | |||
902 | call init_heap |
||
903 | stdcall user_alloc, [img_size] |
||
904 | |||
905 | test eax, eax |
||
906 | jz .fail |
||
907 | mov [img_base], eax |
||
908 | |||
909 | mov edx, [coff] |
||
910 | movzx ebx, [edx+CFH.nSections] |
||
911 | mov edi, [img_base] |
||
912 | lea eax, [edx+20] |
||
913 | @@: |
||
914 | mov [eax+CFS.VirtualAddress], edi |
||
915 | mov esi, [eax+CFS.PtrRawData] |
||
916 | test esi, esi |
||
917 | jnz .copy |
||
918 | add edi, [eax+CFS.SizeOfRawData] |
||
919 | jmp .next |
||
920 | .copy: |
||
921 | add esi, edx |
||
922 | add edi, new_app_base |
||
923 | mov ecx, [eax+CFS.SizeOfRawData] |
||
924 | cld |
||
925 | rep movsb |
||
926 | .next: |
||
927 | add edi, 15-new_app_base |
||
928 | and edi, not 15 |
||
206 | serge | 929 | add eax, COFF_SECTION_SIZE |
198 | serge | 930 | dec ebx |
931 | jnz @B |
||
932 | |||
933 | mov ebx, [edx+CFH.pSymTable] |
||
934 | add ebx, edx |
||
935 | mov [sym], ebx |
||
936 | mov ecx, [edx+CFH.nSymbols] |
||
937 | add ecx,ecx |
||
938 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
939 | add ecx, [sym] |
||
940 | mov [strings], ecx |
||
941 | |||
942 | lea eax, [edx+20] |
||
943 | |||
944 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
945 | [strings], dword 0 |
||
946 | test eax, eax |
||
947 | jnz @F |
||
948 | |||
949 | @@: |
||
950 | mov edx, [coff] |
||
951 | movzx ebx, [edx+CFH.nSections] |
||
952 | mov edi, new_app_base |
||
953 | lea eax, [edx+20] |
||
954 | @@: |
||
955 | add [eax+CFS.VirtualAddress], edi ;patch user space offset |
||
206 | serge | 956 | add eax, COFF_SECTION_SIZE |
198 | serge | 957 | dec ebx |
958 | jnz @B |
||
959 | |||
960 | add edx, 20 |
||
961 | stdcall fix_coff_relocs, [coff], edx, [sym] |
||
962 | |||
963 | mov ebx, [coff] |
||
964 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szEXPORTS |
||
965 | mov [exports], eax |
||
966 | |||
967 | stdcall kernel_free, [coff] |
||
968 | mov eax, [exports] |
||
969 | ret |
||
970 | .fail: |
||
971 | xor eax, eax |
||
972 | ret |
||
973 | endp |
||
974 | |||
214 | serge | 975 | align 4 |
976 | proc stop_all_services |
||
278 | serge | 977 | |
978 | mov edx, [srv.fd] |
||
214 | serge | 979 | .next: |
278 | serge | 980 | cmp edx, srv.fd-SRV_FD_OFFSET |
981 | je .done |
||
982 | cmp [edx+SRV.magic], ' SRV' |
||
227 | serge | 983 | jne .next |
278 | serge | 984 | cmp [edx+SRV.size], SRV_SIZE |
227 | serge | 985 | jne .next |
278 | serge | 986 | mov ebx, [edx+SRV.entry] |
987 | mov edx, [edx+SRV.fd] |
||
988 | push edx |
||
214 | serge | 989 | stdcall ebx, dword -1 |
278 | serge | 990 | pop edx |
214 | serge | 991 | jmp .next |
278 | serge | 992 | .done: |
993 | ret |
||
214 | serge | 994 | endp |
198 | serge | 995 | |
281 | serge | 996 | ; param |
291 | serge | 997 | ; eax= size |
998 | ; ebx= pid |
||
214 | serge | 999 | |
281 | serge | 1000 | align 4 |
1001 | create_kernel_object: |
||
1002 | |||
1003 | push ebx |
||
1004 | call malloc |
||
1005 | pop ebx |
||
1006 | test eax, eax |
||
1007 | jz .fail |
||
1008 | |||
1009 | mov ecx,[CURRENT_TASK] |
||
1010 | shl ecx,8 |
||
380 | serge | 1011 | add ecx, SLOT_BASE+APP_OBJ_OFFSET |
281 | serge | 1012 | |
345 | serge | 1013 | pushfd |
1014 | cli |
||
281 | serge | 1015 | mov edx, [ecx+APPOBJ.fd] |
1016 | mov [eax+APPOBJ.fd], edx |
||
1017 | mov [eax+APPOBJ.bk], ecx |
||
1018 | mov [eax+APPOBJ.pid], ebx |
||
1019 | |||
1020 | mov [ecx+APPOBJ.fd], eax |
||
1021 | mov [edx+APPOBJ.bk], eax |
||
345 | serge | 1022 | popfd |
281 | serge | 1023 | .fail: |
1024 | ret |
||
1025 | |||
1026 | ; param |
||
1027 | ; eax= object |
||
1028 | |||
1029 | align 4 |
||
1030 | destroy_kernel_object: |
||
1031 | |||
345 | serge | 1032 | pushfd |
1033 | cli |
||
281 | serge | 1034 | mov ebx, [eax+APPOBJ.fd] |
1035 | mov ecx, [eax+APPOBJ.bk] |
||
1036 | mov [ebx+APPOBJ.bk], ecx |
||
1037 | mov [ecx+APPOBJ.fd], ebx |
||
345 | serge | 1038 | popfd |
281 | serge | 1039 | |
1040 | xor edx, edx ;clear common header |
||
1041 | mov [eax], edx |
||
1042 | mov [eax+4], edx |
||
1043 | mov [eax+8], edx |
||
1044 | mov [eax+12], edx |
||
1045 | mov [eax+16], edx |
||
1046 | |||
1047 | call free ;release object memory |
||
1048 | ret |
||
1049 | |||
1050 | |||
346 | diamond | 1051 | ;szSound db 'SOUND',0 |
1052 | ;szInfinity db 'INFINITY',0 |
||
1053 | szHwMouse db 'ATI2D',0 |
||
164 | serge | 1054 | |
1055 | szSTART db 'START',0 |
||
1056 | szEXPORTS db 'EXPORTS',0 |
||
1057 | szIMPORTS db 'IMPORTS',0 |
||
1058 | |||
188 | serge | 1059 | msg_unresolved db 'unresolved ',0 |
1060 | msg_module db 'in module ',0 |
||
227 | serge | 1061 | msg_version db 'incompatible driver version',13,10,0 |
1062 | msg_www db 'please visit www.kolibrios.org',13,10,0 |
||
188 | serge | 1063 | msg_CR db 13,10,0 |
1064 | |||
214 | serge | 1065 | align 4 |
227 | serge | 1066 | create_cursor dd 0 |
214 | serge | 1067 | set_hw_cursor dd 0 |
221 | serge | 1068 | hw_restore dd 0 |