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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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164 | serge | 7 | |
593 | mikedld | 8 | $Revision: 662 $ |
9 | |||
10 | |||
465 | serge | 11 | DRV_COMPAT equ 5 ;minimal required drivers version |
12 | DRV_CURRENT equ 5 ;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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465 | serge | 137 | mov bx, app_data ;os_data |
164 | serge | 138 | mov ds, bx |
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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479 | kastigar | 146 | mov [check_idle_semaphore],5 |
164 | serge | 147 | |
148 | .exit: |
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149 | restore_ring3_context |
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150 | |||
151 | cmp eax, 8 |
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152 | mov al, 0x20 |
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153 | jb @f |
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154 | out 0xa0, al |
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155 | @@: |
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156 | out 0x20, al |
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157 | |||
158 | pop eax |
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159 | iret |
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160 | |||
161 | align 4 |
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162 | proc get_notify stdcall, p_ev:dword |
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163 | |||
164 | .wait: |
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465 | serge | 165 | mov ebx,[current_slot] |
166 | test dword [ebx+APPDATA.event_mask],EVENT_NOTIFY |
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164 | serge | 167 | jz @f |
465 | serge | 168 | and dword [ebx+APPDATA.event_mask], not EVENT_NOTIFY |
164 | serge | 169 | mov edi, [p_ev] |
170 | mov dword [edi], EV_INTR |
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465 | serge | 171 | mov eax, [ebx+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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557 | serge | 192 | proc pci_read16 stdcall, bus:dword, devfn:dword, reg:dword |
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, 5 |
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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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164 | serge | 204 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
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, 4 |
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209 | mov bh, byte [devfn] |
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210 | mov bl, byte [reg] |
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211 | call pci_read_reg |
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212 | ret |
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213 | endp |
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214 | |||
215 | align 4 |
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216 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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217 | xor eax, eax |
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218 | xor ebx, ebx |
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219 | mov ah, byte [bus] |
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220 | mov al, 8 |
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221 | mov bh, byte [devfn] |
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222 | mov bl, byte [reg] |
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223 | mov ecx, [val] |
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224 | call pci_write_reg |
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225 | ret |
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226 | endp |
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227 | |||
557 | serge | 228 | align 4 |
229 | proc pci_write16 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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230 | xor eax, eax |
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231 | xor ebx, ebx |
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232 | mov ah, byte [bus] |
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233 | mov al, 9 |
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234 | mov bh, byte [devfn] |
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235 | mov bl, byte [reg] |
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236 | mov ecx, [val] |
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237 | call pci_write_reg |
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238 | ret |
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239 | endp |
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240 | |||
164 | serge | 241 | handle equ IOCTL.handle |
242 | io_code equ IOCTL.io_code |
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243 | input equ IOCTL.input |
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244 | inp_size equ IOCTL.inp_size |
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245 | output equ IOCTL.output |
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246 | out_size equ IOCTL.out_size |
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247 | |||
248 | |||
249 | align 4 |
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250 | proc srv_handler stdcall, ioctl:dword |
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251 | mov esi, [ioctl] |
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252 | test esi, esi |
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253 | jz .err |
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254 | |||
255 | mov edi, [esi+handle] |
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256 | cmp [edi+SRV.magic], ' SRV' |
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257 | jne .fail |
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258 | |||
259 | cmp [edi+SRV.size], SRV_SIZE |
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260 | jne .fail |
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261 | |||
262 | stdcall [edi+SRV.srv_proc], esi |
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263 | ret |
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264 | .fail: |
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265 | xor eax, eax |
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266 | not eax |
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267 | mov [esi+output], eax |
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268 | mov [esi+out_size], 4 |
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269 | ret |
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270 | .err: |
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271 | xor eax, eax |
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272 | not eax |
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273 | ret |
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274 | endp |
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275 | |||
377 | serge | 276 | ; param |
277 | ; ebx= io_control |
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278 | ; |
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279 | ; retval |
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280 | ; eax= error code |
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281 | |||
164 | serge | 282 | align 4 |
377 | serge | 283 | srv_handlerEx: |
465 | serge | 284 | cmp ebx, OS_BASE |
285 | jae .fail |
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164 | serge | 286 | |
377 | serge | 287 | mov eax, [ebx+handle] |
288 | cmp [eax+SRV.magic], ' SRV' |
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164 | serge | 289 | jne .fail |
290 | |||
377 | serge | 291 | cmp [eax+SRV.size], SRV_SIZE |
164 | serge | 292 | jne .fail |
293 | |||
377 | serge | 294 | stdcall [eax+SRV.srv_proc], ebx |
164 | serge | 295 | ret |
296 | .fail: |
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377 | serge | 297 | or eax, -1 |
164 | serge | 298 | ret |
299 | |||
300 | restore handle |
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301 | restore io_code |
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302 | restore input |
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303 | restore inp_size |
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304 | restore output |
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305 | restore out_size |
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306 | |||
307 | align 4 |
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308 | proc get_service stdcall, sz_name:dword |
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188 | serge | 309 | mov eax, [sz_name] |
310 | test eax, eax |
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311 | jnz @F |
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312 | ret |
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164 | serge | 313 | @@: |
278 | serge | 314 | mov edx, [srv.fd] |
188 | serge | 315 | @@: |
278 | serge | 316 | cmp edx, srv.fd-SRV_FD_OFFSET |
317 | je .not_load |
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318 | |||
319 | stdcall strncmp, edx, [sz_name], 16 |
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188 | serge | 320 | test eax, eax |
321 | je .ok |
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164 | serge | 322 | |
278 | serge | 323 | mov edx, [edx+SRV.fd] |
324 | jmp @B |
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164 | serge | 325 | .not_load: |
346 | diamond | 326 | pop ebp |
327 | jmp load_driver |
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164 | serge | 328 | .ok: |
278 | serge | 329 | mov eax, edx |
188 | serge | 330 | ret |
164 | serge | 331 | endp |
332 | |||
333 | align 4 |
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278 | serge | 334 | reg_service: |
335 | .sz_name equ esp+4 |
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336 | .handler equ esp+8 |
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337 | mov eax, [.sz_name] |
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164 | serge | 338 | test eax, eax |
339 | jz .fail |
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340 | |||
278 | serge | 341 | mov ebx, [.handler] |
164 | serge | 342 | test ebx, ebx |
343 | jz .fail |
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344 | |||
278 | serge | 345 | mov eax, SRV_SIZE |
346 | call malloc ;call alloc_service |
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164 | serge | 347 | test eax, eax |
348 | jz .fail |
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349 | |||
350 | mov edi, eax |
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278 | serge | 351 | mov esi, [.sz_name] |
352 | mov ecx, 16/4 |
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353 | rep movsd |
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164 | serge | 354 | |
278 | serge | 355 | mov [eax+SRV.magic], ' SRV' |
356 | mov [eax+SRV.size], SRV_SIZE |
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357 | |||
358 | mov ebx, srv.fd-SRV_FD_OFFSET |
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359 | mov edx, [ebx+SRV.fd] |
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360 | mov [eax+SRV.fd], edx |
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361 | mov [eax+SRV.bk], ebx |
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362 | mov [ebx+SRV.fd], eax |
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363 | mov [edx+SRV.bk], eax |
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364 | |||
365 | mov ecx, [.handler] |
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366 | mov [eax+SRV.srv_proc], ecx |
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281 | serge | 367 | ret 8 |
164 | serge | 368 | .fail: |
369 | xor eax, eax |
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281 | serge | 370 | ret 8 |
164 | serge | 371 | |
372 | align 4 |
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373 | proc get_proc stdcall, exp:dword, sz_name:dword |
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374 | |||
375 | mov edx, [exp] |
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376 | .next: |
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377 | mov eax, [edx] |
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378 | test eax, eax |
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379 | jz .end |
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380 | |||
381 | push edx |
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382 | stdcall strncmp, eax, [sz_name], 16 |
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383 | pop edx |
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384 | test eax, eax |
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385 | jz .ok |
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386 | |||
387 | add edx,8 |
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388 | jmp .next |
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389 | .ok: |
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390 | mov eax, [edx+4] |
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391 | .end: |
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392 | ret |
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393 | endp |
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394 | |||
395 | align 4 |
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396 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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397 | |||
398 | @@: |
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399 | stdcall strncmp, [pSym], [sz_sym], 8 |
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400 | test eax,eax |
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401 | jz .ok |
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402 | add [pSym], 18 |
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403 | dec [count] |
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404 | jnz @b |
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405 | xor eax, eax |
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406 | ret |
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407 | .ok: |
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408 | mov ebx, [pSym] |
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409 | mov eax, [ebx+8] |
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410 | ret |
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411 | endp |
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412 | |||
413 | align 4 |
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188 | serge | 414 | proc get_curr_task |
415 | mov eax,[CURRENT_TASK] |
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416 | shl eax, 8 |
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417 | ret |
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418 | endp |
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164 | serge | 419 | |
188 | serge | 420 | align 4 |
421 | proc get_fileinfo stdcall, file_name:dword, info:dword |
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422 | locals |
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423 | cmd dd ? |
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424 | offset dd ? |
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425 | dd ? |
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426 | count dd ? |
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427 | buff dd ? |
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428 | db ? |
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429 | name dd ? |
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430 | endl |
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164 | serge | 431 | |
188 | serge | 432 | xor eax, eax |
433 | mov ebx, [file_name] |
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434 | mov ecx, [info] |
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164 | serge | 435 | |
188 | serge | 436 | mov [cmd], 5 |
437 | mov [offset], eax |
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438 | mov [offset+4], eax |
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439 | mov [count], eax |
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440 | mov [buff], ecx |
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441 | mov byte [buff+4], al |
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442 | mov [name], ebx |
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164 | serge | 443 | |
188 | serge | 444 | mov eax, 70 |
445 | lea ebx, [cmd] |
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446 | int 0x40 |
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447 | ret |
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448 | endp |
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164 | serge | 449 | |
188 | serge | 450 | align 4 |
451 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
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452 | bytes:dword |
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453 | locals |
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454 | cmd dd ? |
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455 | offset dd ? |
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456 | dd ? |
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457 | count dd ? |
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458 | buff dd ? |
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459 | db ? |
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460 | name dd ? |
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461 | endl |
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164 | serge | 462 | |
188 | serge | 463 | xor eax, eax |
464 | mov ebx, [file_name] |
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465 | mov ecx, [off] |
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466 | mov edx, [bytes] |
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467 | mov esi, [buffer] |
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164 | serge | 468 | |
188 | serge | 469 | mov [cmd], eax |
470 | mov [offset], ecx |
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471 | mov [offset+4], eax |
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472 | mov [count], edx |
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473 | mov [buff], esi |
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474 | mov byte [buff+4], al |
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475 | mov [name], ebx |
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476 | |||
429 | serge | 477 | pushad |
478 | push eax |
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479 | lea eax, [cmd] |
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480 | call file_system_lfn |
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481 | pop eax |
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482 | popad |
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188 | serge | 483 | ret |
484 | endp |
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485 | |||
363 | serge | 486 | ; description |
487 | ; allocate kernel memory and loads the specified file |
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488 | ; |
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489 | ; param |
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490 | ; file_name= full path to file |
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491 | ; |
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492 | ; retval |
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493 | ; eax= file image in kernel memory |
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494 | ; ebx= size of file |
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495 | ; |
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496 | ; warging |
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497 | ; You mast call kernel_free() to delete each file |
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498 | ; loaded by the load_file() function |
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499 | |||
188 | serge | 500 | align 4 |
501 | proc load_file stdcall, file_name:dword |
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502 | locals |
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503 | attr dd ? |
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504 | flags dd ? |
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505 | cr_time dd ? |
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506 | cr_date dd ? |
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507 | acc_time dd ? |
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508 | acc_date dd ? |
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509 | mod_time dd ? |
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510 | mod_date dd ? |
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511 | file_size dd ? |
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512 | |||
513 | file dd ? |
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211 | serge | 514 | file2 dd ? |
188 | serge | 515 | endl |
516 | |||
662 | serge | 517 | push ebx |
518 | push esi |
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519 | push edi |
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520 | |||
188 | serge | 521 | lea eax, [attr] |
522 | stdcall get_fileinfo, [file_name], eax |
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164 | serge | 523 | test eax, eax |
188 | serge | 524 | jnz .fail |
164 | serge | 525 | |
206 | serge | 526 | mov eax, [file_size] |
237 | serge | 527 | cmp eax, 1024*1024*16 |
528 | ja .fail |
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206 | serge | 529 | |
188 | serge | 530 | stdcall kernel_alloc, [file_size] |
531 | mov [file], eax |
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164 | serge | 532 | |
188 | serge | 533 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
534 | cmp ebx, [file_size] |
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535 | jne .cleanup |
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211 | serge | 536 | |
188 | serge | 537 | mov eax, [file] |
211 | serge | 538 | cmp dword [eax], 0x4B43504B |
539 | jne .exit |
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237 | serge | 540 | mov ebx, [eax+4] |
541 | mov [file_size], ebx |
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542 | stdcall kernel_alloc, ebx |
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211 | serge | 543 | |
544 | test eax, eax |
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545 | jz .cleanup |
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546 | |||
547 | mov [file2], eax |
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548 | stdcall unpack, [file], eax |
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549 | stdcall kernel_free, [file] |
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550 | mov eax, [file2] |
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237 | serge | 551 | mov ebx, [file_size] |
211 | serge | 552 | .exit: |
269 | serge | 553 | push eax |
554 | lea edi, [eax+ebx] ;cleanup remain space |
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357 | serge | 555 | mov ecx, 4096 ;from file end |
556 | and ebx, 4095 |
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521 | diamond | 557 | jz @f |
269 | serge | 558 | sub ecx, ebx |
559 | xor eax, eax |
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560 | cld |
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561 | rep stosb |
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521 | diamond | 562 | @@: |
357 | serge | 563 | mov ebx, [file_size] |
269 | serge | 564 | pop eax |
662 | serge | 565 | pop edi |
566 | pop esi |
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567 | pop ebx |
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188 | serge | 568 | ret |
569 | .cleanup: |
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570 | stdcall kernel_free, [file] |
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571 | .fail: |
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572 | xor eax, eax |
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237 | serge | 573 | xor ebx, ebx |
662 | serge | 574 | pop edi |
575 | pop esi |
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576 | pop ebx |
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188 | serge | 577 | ret |
578 | endp |
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164 | serge | 579 | |
188 | serge | 580 | align 4 |
581 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
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582 | |||
583 | .look_up: |
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584 | mov edx, [imports] |
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198 | serge | 585 | test edx, edx |
586 | jz .end |
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188 | serge | 587 | mov edx, [edx] |
588 | test edx, edx |
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589 | jz .end |
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590 | .next: |
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591 | mov eax, [edx] |
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164 | serge | 592 | test eax, eax |
188 | serge | 593 | jz .next_table |
164 | serge | 594 | |
188 | serge | 595 | push edx |
596 | stdcall strncmp, eax, [proc_name], 16 |
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597 | pop edx |
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598 | test eax, eax |
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599 | jz .ok |
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164 | serge | 600 | |
188 | serge | 601 | add edx,8 |
602 | jmp .next |
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603 | .next_table: |
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604 | add [imports], 4 |
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605 | jmp .look_up |
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606 | .ok: |
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607 | mov eax, [edx+4] |
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608 | ret |
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609 | .end: |
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610 | xor eax, eax |
||
611 | ret |
||
612 | endp |
||
164 | serge | 613 | |
188 | serge | 614 | align 4 |
615 | proc fix_coff_symbols stdcall, sec:dword, symbols:dword,\ |
||
616 | sym_count:dword, strings:dword, imports:dword |
||
617 | locals |
||
618 | retval dd ? |
||
619 | endl |
||
164 | serge | 620 | |
188 | serge | 621 | mov edi, [symbols] |
622 | mov [retval], 1 |
||
623 | .fix: |
||
624 | movzx ebx, [edi+CSYM.SectionNumber] |
||
625 | test ebx, ebx |
||
626 | jnz .internal |
||
627 | mov eax, dword [edi+CSYM.Name] |
||
628 | test eax, eax |
||
629 | jnz @F |
||
164 | serge | 630 | |
188 | serge | 631 | mov edi, [edi+4] |
632 | add edi, [strings] |
||
633 | @@: |
||
634 | push edi |
||
635 | stdcall get_proc_ex, edi,[imports] |
||
636 | pop edi |
||
164 | serge | 637 | |
188 | serge | 638 | xor ebx, ebx |
639 | test eax, eax |
||
640 | jnz @F |
||
164 | serge | 641 | |
188 | serge | 642 | mov esi, msg_unresolved |
643 | call sys_msg_board_str |
||
644 | mov esi, edi |
||
645 | call sys_msg_board_str |
||
646 | mov esi, msg_CR |
||
647 | call sys_msg_board_str |
||
164 | serge | 648 | |
188 | serge | 649 | mov [retval],0 |
650 | @@: |
||
651 | mov edi, [symbols] |
||
652 | mov [edi+CSYM.Value], eax |
||
653 | jmp .next |
||
654 | .internal: |
||
541 | serge | 655 | cmp bx, -1 |
656 | je .next |
||
657 | cmp bx, -2 |
||
658 | je .next |
||
659 | |||
188 | serge | 660 | dec ebx |
661 | shl ebx, 3 |
||
662 | lea ebx, [ebx+ebx*4] |
||
663 | add ebx, [sec] |
||
664 | |||
665 | mov eax, [ebx+CFS.VirtualAddress] |
||
666 | add [edi+CSYM.Value], eax |
||
667 | .next: |
||
668 | add edi, CSYM_SIZE |
||
669 | mov [symbols], edi |
||
670 | dec [sym_count] |
||
671 | jnz .fix |
||
672 | mov eax, [retval] |
||
673 | ret |
||
164 | serge | 674 | endp |
675 | |||
676 | align 4 |
||
188 | serge | 677 | proc fix_coff_relocs stdcall, coff:dword, sec:dword, sym:dword |
164 | serge | 678 | locals |
188 | serge | 679 | n_sec dd ? |
164 | serge | 680 | endl |
681 | |||
188 | serge | 682 | mov eax, [coff] |
683 | movzx ebx, [eax+CFH.nSections] |
||
684 | mov [n_sec], ebx |
||
685 | .fix_sec: |
||
686 | mov esi, [sec] |
||
164 | serge | 687 | mov edi, [esi+CFS.PtrReloc] |
188 | serge | 688 | add edi, [coff] |
164 | serge | 689 | |
188 | serge | 690 | movzx ecx, [esi+CFS.NumReloc] |
691 | test ecx, ecx |
||
692 | jz .next |
||
693 | .next_reloc: |
||
164 | serge | 694 | mov ebx, [edi+CRELOC.SymIndex] |
695 | add ebx,ebx |
||
696 | lea ebx,[ebx+ebx*8] |
||
188 | serge | 697 | add ebx, [sym] |
164 | serge | 698 | |
188 | serge | 699 | mov edx, [ebx+CSYM.Value] |
164 | serge | 700 | |
188 | serge | 701 | cmp [edi+CRELOC.Type], 6 |
702 | je .dir_32 |
||
164 | serge | 703 | |
188 | serge | 704 | cmp [edi+CRELOC.Type], 20 |
705 | jne .next_reloc |
||
706 | .rel_32: |
||
164 | serge | 707 | mov eax, [edi+CRELOC.VirtualAddress] |
188 | serge | 708 | add eax, [esi+CFS.VirtualAddress] |
709 | sub edx, eax |
||
710 | sub edx, 4 |
||
711 | jmp .fix |
||
712 | .dir_32: |
||
713 | mov eax, [edi+CRELOC.VirtualAddress] |
||
714 | add eax, [esi+CFS.VirtualAddress] |
||
715 | .fix: |
||
716 | add [eax], edx |
||
717 | add edi, 10 |
||
718 | dec ecx |
||
719 | jnz .next_reloc |
||
720 | .next: |
||
206 | serge | 721 | add [sec], COFF_SECTION_SIZE |
188 | serge | 722 | dec [n_sec] |
723 | jnz .fix_sec |
||
164 | serge | 724 | .exit: |
725 | ret |
||
726 | endp |
||
727 | |||
188 | serge | 728 | align 4 |
346 | diamond | 729 | proc load_driver stdcall, driver_name:dword |
188 | serge | 730 | locals |
731 | coff dd ? |
||
732 | sym dd ? |
||
733 | strings dd ? |
||
734 | img_size dd ? |
||
735 | img_base dd ? |
||
736 | start dd ? |
||
737 | |||
738 | exports dd ? ;fake exports table |
||
739 | dd ? |
||
525 | diamond | 740 | file_name rb 13+16+4+1 ; '/sys/drivers/ |
188 | serge | 741 | endl |
742 | |||
465 | serge | 743 | lea edx, [file_name] |
525 | diamond | 744 | mov dword [edx], '/sys' |
745 | mov dword [edx+4], '/dri' |
||
746 | mov dword [edx+8], 'vers' |
||
747 | mov byte [edx+12], '/' |
||
465 | serge | 748 | mov esi, [driver_name] |
525 | diamond | 749 | lea edi, [edx+13] |
465 | serge | 750 | mov ecx, 16 |
346 | diamond | 751 | @@: |
465 | serge | 752 | lodsb |
753 | test al, al |
||
754 | jz @f |
||
755 | stosb |
||
756 | loop @b |
||
346 | diamond | 757 | @@: |
465 | serge | 758 | mov dword [edi], '.obj' |
759 | mov byte [edi+4], 0 |
||
346 | diamond | 760 | stdcall load_file, edx |
214 | serge | 761 | |
188 | serge | 762 | test eax, eax |
227 | serge | 763 | jz .exit |
188 | serge | 764 | |
765 | mov [coff], eax |
||
766 | |||
767 | movzx ecx, [eax+CFH.nSections] |
||
768 | xor ebx, ebx |
||
769 | |||
770 | lea edx, [eax+20] |
||
771 | @@: |
||
772 | add ebx, [edx+CFS.SizeOfRawData] |
||
773 | add ebx, 15 |
||
774 | and ebx, not 15 |
||
206 | serge | 775 | add edx, COFF_SECTION_SIZE |
188 | serge | 776 | dec ecx |
777 | jnz @B |
||
778 | mov [img_size], ebx |
||
779 | |||
780 | stdcall kernel_alloc, ebx |
||
781 | test eax, eax |
||
782 | jz .fail |
||
783 | mov [img_base], eax |
||
784 | |||
785 | mov edi, eax |
||
786 | xor eax, eax |
||
787 | mov ecx, [img_size] |
||
788 | add ecx, 4095 |
||
789 | and ecx, not 4095 |
||
790 | shr ecx, 2 |
||
791 | cld |
||
792 | rep stosd |
||
793 | |||
794 | mov edx, [coff] |
||
795 | movzx ebx, [edx+CFH.nSections] |
||
796 | mov edi, [img_base] |
||
797 | lea eax, [edx+20] |
||
798 | @@: |
||
799 | mov [eax+CFS.VirtualAddress], edi |
||
800 | mov esi, [eax+CFS.PtrRawData] |
||
801 | test esi, esi |
||
802 | jnz .copy |
||
803 | add edi, [eax+CFS.SizeOfRawData] |
||
804 | jmp .next |
||
805 | .copy: |
||
806 | add esi, edx |
||
807 | mov ecx, [eax+CFS.SizeOfRawData] |
||
808 | cld |
||
809 | rep movsb |
||
810 | .next: |
||
811 | add edi, 15 |
||
812 | and edi, not 15 |
||
206 | serge | 813 | add eax, COFF_SECTION_SIZE |
188 | serge | 814 | dec ebx |
815 | jnz @B |
||
816 | |||
817 | mov ebx, [edx+CFH.pSymTable] |
||
818 | add ebx, edx |
||
819 | mov [sym], ebx |
||
820 | mov ecx, [edx+CFH.nSymbols] |
||
821 | add ecx,ecx |
||
822 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
823 | add ecx, [sym] |
||
824 | mov [strings], ecx |
||
825 | |||
826 | lea ebx, [exports] |
||
827 | mov dword [ebx], kernel_export |
||
828 | mov dword [ebx+4], 0 |
||
829 | lea eax, [edx+20] |
||
830 | |||
831 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
832 | [strings], ebx |
||
833 | test eax, eax |
||
227 | serge | 834 | jz .link_fail |
188 | serge | 835 | |
836 | mov ebx, [coff] |
||
837 | add ebx, 20 |
||
838 | stdcall fix_coff_relocs, [coff], ebx, [sym] |
||
839 | |||
840 | mov ebx, [coff] |
||
227 | serge | 841 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szVersion |
842 | test eax, eax |
||
843 | jz .link_fail |
||
844 | |||
845 | mov eax, [eax] |
||
846 | shr eax, 16 |
||
847 | cmp eax, DRV_COMPAT |
||
848 | jb .ver_fail |
||
849 | |||
850 | cmp eax, DRV_CURRENT |
||
851 | ja .ver_fail |
||
852 | |||
853 | mov ebx, [coff] |
||
188 | serge | 854 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szSTART |
855 | mov [start], eax |
||
856 | |||
857 | stdcall kernel_free, [coff] |
||
858 | |||
859 | mov ebx, [start] |
||
214 | serge | 860 | stdcall ebx, DRV_ENTRY |
188 | serge | 861 | test eax, eax |
862 | jnz .ok |
||
863 | |||
864 | stdcall kernel_free, [img_base] |
||
865 | xor eax, eax |
||
866 | ret |
||
867 | .ok: |
||
868 | mov ebx, [img_base] |
||
869 | mov [eax+SRV.base], ebx |
||
214 | serge | 870 | mov ecx, [start] |
871 | mov [eax+SRV.entry], ecx |
||
188 | serge | 872 | ret |
227 | serge | 873 | |
874 | .ver_fail: |
||
875 | mov esi, msg_CR |
||
876 | call sys_msg_board_str |
||
346 | diamond | 877 | mov esi, [driver_name] |
227 | serge | 878 | call sys_msg_board_str |
879 | mov esi, msg_CR |
||
880 | call sys_msg_board_str |
||
881 | mov esi, msg_version |
||
882 | call sys_msg_board_str |
||
883 | mov esi, msg_www |
||
884 | call sys_msg_board_str |
||
885 | jmp .cleanup |
||
886 | |||
887 | .link_fail: |
||
888 | mov esi, msg_module |
||
889 | call sys_msg_board_str |
||
346 | diamond | 890 | mov esi, [driver_name] |
227 | serge | 891 | call sys_msg_board_str |
892 | mov esi, msg_CR |
||
893 | call sys_msg_board_str |
||
894 | .cleanup: |
||
895 | stdcall kernel_free,[img_base] |
||
188 | serge | 896 | .fail: |
227 | serge | 897 | stdcall kernel_free, [coff] |
898 | .exit: |
||
188 | serge | 899 | xor eax, eax |
900 | ret |
||
164 | serge | 901 | endp |
902 | |||
198 | serge | 903 | align 4 |
904 | proc load_library stdcall, file_name:dword |
||
905 | locals |
||
906 | coff dd ? |
||
907 | sym dd ? |
||
908 | strings dd ? |
||
909 | img_size dd ? |
||
910 | img_base dd ? |
||
911 | exports dd ? |
||
912 | endl |
||
913 | |||
914 | cli |
||
915 | |||
916 | stdcall load_file, [file_name] |
||
917 | test eax, eax |
||
918 | jz .fail |
||
919 | |||
920 | mov [coff], eax |
||
921 | movzx ecx, [eax+CFH.nSections] |
||
922 | xor ebx, ebx |
||
923 | |||
924 | lea edx, [eax+20] |
||
925 | @@: |
||
926 | add ebx, [edx+CFS.SizeOfRawData] |
||
927 | add ebx, 15 |
||
928 | and ebx, not 15 |
||
206 | serge | 929 | add edx, COFF_SECTION_SIZE |
198 | serge | 930 | dec ecx |
931 | jnz @B |
||
932 | mov [img_size], ebx |
||
933 | |||
934 | call init_heap |
||
935 | stdcall user_alloc, [img_size] |
||
936 | |||
937 | test eax, eax |
||
938 | jz .fail |
||
939 | mov [img_base], eax |
||
940 | |||
941 | mov edx, [coff] |
||
942 | movzx ebx, [edx+CFH.nSections] |
||
943 | mov edi, [img_base] |
||
944 | lea eax, [edx+20] |
||
945 | @@: |
||
946 | mov [eax+CFS.VirtualAddress], edi |
||
947 | mov esi, [eax+CFS.PtrRawData] |
||
948 | test esi, esi |
||
949 | jnz .copy |
||
950 | add edi, [eax+CFS.SizeOfRawData] |
||
951 | jmp .next |
||
952 | .copy: |
||
953 | add esi, edx |
||
465 | serge | 954 | ; add edi, new_app_base |
198 | serge | 955 | mov ecx, [eax+CFS.SizeOfRawData] |
956 | cld |
||
957 | rep movsb |
||
958 | .next: |
||
465 | serge | 959 | add edi, 15 ;-new_app_base |
960 | and edi, -16 |
||
206 | serge | 961 | add eax, COFF_SECTION_SIZE |
198 | serge | 962 | dec ebx |
963 | jnz @B |
||
964 | |||
965 | mov ebx, [edx+CFH.pSymTable] |
||
966 | add ebx, edx |
||
967 | mov [sym], ebx |
||
968 | mov ecx, [edx+CFH.nSymbols] |
||
969 | add ecx,ecx |
||
970 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
971 | add ecx, [sym] |
||
972 | mov [strings], ecx |
||
973 | |||
974 | lea eax, [edx+20] |
||
975 | |||
976 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
||
977 | [strings], dword 0 |
||
978 | test eax, eax |
||
979 | jnz @F |
||
980 | |||
981 | @@: |
||
982 | mov edx, [coff] |
||
983 | movzx ebx, [edx+CFH.nSections] |
||
984 | mov edi, new_app_base |
||
985 | lea eax, [edx+20] |
||
986 | @@: |
||
987 | add [eax+CFS.VirtualAddress], edi ;patch user space offset |
||
206 | serge | 988 | add eax, COFF_SECTION_SIZE |
198 | serge | 989 | dec ebx |
990 | jnz @B |
||
991 | |||
992 | add edx, 20 |
||
993 | stdcall fix_coff_relocs, [coff], edx, [sym] |
||
994 | |||
995 | mov ebx, [coff] |
||
996 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szEXPORTS |
||
997 | mov [exports], eax |
||
998 | |||
999 | stdcall kernel_free, [coff] |
||
1000 | mov eax, [exports] |
||
1001 | ret |
||
1002 | .fail: |
||
1003 | xor eax, eax |
||
1004 | ret |
||
1005 | endp |
||
1006 | |||
214 | serge | 1007 | align 4 |
1008 | proc stop_all_services |
||
278 | serge | 1009 | |
1010 | mov edx, [srv.fd] |
||
214 | serge | 1011 | .next: |
278 | serge | 1012 | cmp edx, srv.fd-SRV_FD_OFFSET |
1013 | je .done |
||
1014 | cmp [edx+SRV.magic], ' SRV' |
||
227 | serge | 1015 | jne .next |
278 | serge | 1016 | cmp [edx+SRV.size], SRV_SIZE |
227 | serge | 1017 | jne .next |
278 | serge | 1018 | mov ebx, [edx+SRV.entry] |
1019 | mov edx, [edx+SRV.fd] |
||
1020 | push edx |
||
214 | serge | 1021 | stdcall ebx, dword -1 |
278 | serge | 1022 | pop edx |
214 | serge | 1023 | jmp .next |
278 | serge | 1024 | .done: |
1025 | ret |
||
214 | serge | 1026 | endp |
198 | serge | 1027 | |
281 | serge | 1028 | ; param |
291 | serge | 1029 | ; eax= size |
1030 | ; ebx= pid |
||
214 | serge | 1031 | |
281 | serge | 1032 | align 4 |
1033 | create_kernel_object: |
||
1034 | |||
1035 | push ebx |
||
1036 | call malloc |
||
1037 | pop ebx |
||
1038 | test eax, eax |
||
1039 | jz .fail |
||
1040 | |||
465 | serge | 1041 | mov ecx,[current_slot] |
1042 | add ecx, APP_OBJ_OFFSET |
||
281 | serge | 1043 | |
345 | serge | 1044 | pushfd |
1045 | cli |
||
281 | serge | 1046 | mov edx, [ecx+APPOBJ.fd] |
1047 | mov [eax+APPOBJ.fd], edx |
||
1048 | mov [eax+APPOBJ.bk], ecx |
||
1049 | mov [eax+APPOBJ.pid], ebx |
||
1050 | |||
1051 | mov [ecx+APPOBJ.fd], eax |
||
1052 | mov [edx+APPOBJ.bk], eax |
||
345 | serge | 1053 | popfd |
281 | serge | 1054 | .fail: |
1055 | ret |
||
1056 | |||
1057 | ; param |
||
1058 | ; eax= object |
||
1059 | |||
1060 | align 4 |
||
1061 | destroy_kernel_object: |
||
1062 | |||
345 | serge | 1063 | pushfd |
1064 | cli |
||
281 | serge | 1065 | mov ebx, [eax+APPOBJ.fd] |
1066 | mov ecx, [eax+APPOBJ.bk] |
||
1067 | mov [ebx+APPOBJ.bk], ecx |
||
1068 | mov [ecx+APPOBJ.fd], ebx |
||
345 | serge | 1069 | popfd |
281 | serge | 1070 | |
1071 | xor edx, edx ;clear common header |
||
1072 | mov [eax], edx |
||
1073 | mov [eax+4], edx |
||
1074 | mov [eax+8], edx |
||
1075 | mov [eax+12], edx |
||
1076 | mov [eax+16], edx |
||
1077 | |||
1078 | call free ;release object memory |
||
1079 | ret |
||
1080 | |||
1081 | |||
164 | serge | 1082 | |
465 | serge | 1083 | if 0 |
164 | serge | 1084 | |
465 | serge | 1085 | irq: |
188 | serge | 1086 | |
465 | serge | 1087 | .irq0: |
1088 | pusfd |
||
1089 | pushad |
||
1090 | push IRQ_0 |
||
1091 | jmp .master |
||
1092 | .irq_1: |
||
1093 | pusfd |
||
1094 | pushad |
||
1095 | push IRQ_1 |
||
1096 | jmp .master |
||
1097 | |||
1098 | .master: |
||
1099 | mov ax, app_data |
||
1100 | mov ds, eax |
||
1101 | mov es, eax |
||
1102 | mov ebx, [esp+4] ;IRQ_xx |
||
1103 | mov eax, [irq_handlers+ebx+4] |
||
1104 | call intr_handler |
||
1105 | mov ecx, [esp+4] |
||
1106 | cmp [irq_actids+ecx*4], 0 |
||
1107 | je @F |
||
1108 | in al, 0x21 |
||
1109 | bts eax, ecx |
||
1110 | out 0x21, al |
||
1111 | mov al, 0x20 |
||
1112 | out 0x20, al |
||
1113 | jmp .restart |
||
1114 | |||
1115 | .slave: |
||
1116 | mov ax, app_data |
||
1117 | mov ds, eax |
||
1118 | mov es, eax |
||
1119 | mov ebx, [esp+4] ;IRQ_xx |
||
1120 | mov eax, [irq_handlers+ebx+4] |
||
1121 | call intr_handler |
||
1122 | mov ecx, [esp+4] |
||
1123 | sub ecx, 8 |
||
1124 | cmp [irq_actids+ecx*4], 0 |
||
1125 | je @F |
||
1126 | in al, 0xA1 |
||
1127 | bts eax, ecx |
||
1128 | out 0xA1, al |
||
1129 | mov al, 0x20 |
||
1130 | out 0xA0, al |
||
1131 | out 0x20, al |
||
1132 | .restart: |
||
1133 | mov ebx, [next_slot] |
||
1134 | test ebx, ebx |
||
1135 | jz @F |
||
1136 | mov [next_task],0 |
||
1137 | mov esi, [prev_slot] |
||
1138 | call do_change_task |
||
1139 | add esp, 4 |
||
1140 | iretd |
||
1141 | |||
1142 | end if |
||
1143 |