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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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709 | diamond | 3 | ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
431 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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164 | serge | 7 | |
593 | mikedld | 8 | $Revision: 1018 $ |
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 |
797 | serge | 15 | PID_KERNEL equ 1 ;os_idle thread |
227 | serge | 16 | |
164 | serge | 17 | align 4 |
774 | Rus | 18 | proc attach_int_handler stdcall, irq:dword, handler:dword, access_rights:dword |
164 | serge | 19 | |
978 | serge | 20 | push ebx |
21 | |||
802 | serge | 22 | mov ebx, [irq] ;irq num |
924 | serge | 23 | test ebx, ebx |
24 | jz .err |
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802 | serge | 25 | cmp ebx, 15 ; hidnplayr says: we only have 16 IRQ's |
924 | serge | 26 | ja .err |
27 | mov eax, [handler] |
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28 | test eax, eax |
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29 | jz .err |
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30 | cmp [irq_owner + 4 * ebx], 0 |
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31 | je @f |
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774 | Rus | 32 | |
802 | serge | 33 | mov ecx, [irq_rights + 4 * ebx] ; Rights : 0 - full access, 1 - read only, 2 - forbidden |
924 | serge | 34 | test ecx, ecx |
35 | jnz .err |
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774 | Rus | 36 | |
802 | serge | 37 | @@: |
924 | serge | 38 | mov [irq_tab+ebx*4], eax |
769 | Rus | 39 | |
924 | serge | 40 | mov eax, [access_rights] |
41 | mov [irq_rights + 4 * ebx], eax |
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774 | Rus | 42 | |
802 | serge | 43 | mov [irq_owner + 4 * ebx], PID_KERNEL ; all handlers belong to a kernel |
769 | Rus | 44 | |
924 | serge | 45 | stdcall enable_irq, [irq] |
978 | serge | 46 | pop ebx |
802 | serge | 47 | mov eax, 1 |
924 | serge | 48 | ret |
164 | serge | 49 | .err: |
978 | serge | 50 | pop ebx |
924 | serge | 51 | xor eax, eax |
52 | ret |
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164 | serge | 53 | endp |
54 | |||
774 | Rus | 55 | uglobal |
56 | |||
57 | irq_rights rd 16 |
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58 | |||
59 | endg |
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60 | |||
61 | proc get_int_handler stdcall, irq:dword |
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62 | |||
63 | mov eax, [irq] |
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64 | |||
65 | cmp [irq_rights + 4 * eax], dword 1 |
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66 | ja .err |
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67 | |||
68 | mov eax, [irq_tab + 4 * eax] |
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69 | ret |
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70 | |||
71 | .err: |
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72 | xor eax, eax |
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73 | ret |
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74 | |||
75 | endp |
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76 | |||
164 | serge | 77 | align 4 |
78 | proc detach_int_handler |
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79 | |||
80 | ret |
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81 | endp |
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82 | |||
83 | align 4 |
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84 | proc enable_irq stdcall, irq_line:dword |
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672 | hidnplayr | 85 | mov ebx, [irq_line] |
86 | mov edx, 0x21 |
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87 | cmp ebx, 8 |
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88 | jb @F |
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89 | mov edx, 0xA1 |
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90 | sub ebx,8 |
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164 | serge | 91 | @@: |
672 | hidnplayr | 92 | in al,dx |
93 | btr eax, ebx |
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94 | out dx, al |
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95 | ret |
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164 | serge | 96 | endp |
97 | |||
98 | align 16 |
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99 | ;; proc irq_serv |
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100 | |||
101 | irq_serv: |
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102 | |||
103 | .irq_1: |
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769 | Rus | 104 | push 1 |
164 | serge | 105 | jmp .main |
106 | align 4 |
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107 | .irq_2: |
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769 | Rus | 108 | push 2 |
164 | serge | 109 | jmp .main |
110 | align 4 |
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111 | .irq_3: |
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769 | Rus | 112 | push 3 |
164 | serge | 113 | jmp .main |
114 | align 4 |
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115 | .irq_4: |
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769 | Rus | 116 | push 4 |
164 | serge | 117 | jmp .main |
118 | align 4 |
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119 | .irq_5: |
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769 | Rus | 120 | push 5 |
164 | serge | 121 | jmp .main |
972 | ghost | 122 | ; align 4 |
123 | ; .irq_6: |
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124 | ; push 6 |
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125 | ; jmp .main |
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164 | serge | 126 | align 4 |
127 | .irq_7: |
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769 | Rus | 128 | push 7 |
164 | serge | 129 | jmp .main |
130 | align 4 |
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131 | .irq_8: |
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769 | Rus | 132 | push 8 |
164 | serge | 133 | jmp .main |
134 | align 4 |
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135 | .irq_9: |
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769 | Rus | 136 | push 9 |
164 | serge | 137 | jmp .main |
138 | align 4 |
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139 | .irq_10: |
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769 | Rus | 140 | push 10 |
164 | serge | 141 | jmp .main |
142 | align 4 |
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143 | .irq_11: |
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769 | Rus | 144 | push 11 |
164 | serge | 145 | jmp .main |
146 | align 4 |
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147 | .irq_12: |
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769 | Rus | 148 | push 12 |
164 | serge | 149 | jmp .main |
972 | ghost | 150 | ; align 4 |
151 | ; .irq_13: |
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152 | ; push 13 |
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153 | ; jmp .main |
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154 | ; align 4 |
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155 | ; .irq_14: |
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156 | ; push 14 |
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157 | ; jmp .main |
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158 | ; align 4 |
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159 | ; .irq_15: |
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160 | ; push 15 |
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161 | ; jmp .main |
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164 | serge | 162 | |
163 | align 16 |
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164 | .main: |
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165 | save_ring3_context |
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769 | Rus | 166 | mov eax, [esp + 32] |
672 | hidnplayr | 167 | mov bx, app_data ;os_data |
164 | serge | 168 | mov ds, bx |
169 | mov es, bx |
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170 | |||
769 | Rus | 171 | cmp [v86_irqhooks+eax*8], 0 |
172 | jnz v86_irq |
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709 | diamond | 173 | |
164 | serge | 174 | mov ebx, [irq_tab+eax*4] |
175 | test ebx, ebx |
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176 | jz .exit |
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177 | |||
672 | hidnplayr | 178 | call ebx |
179 | mov [check_idle_semaphore],5 |
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164 | serge | 180 | |
181 | .exit: |
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182 | |||
769 | Rus | 183 | cmp dword [esp + 32], 8 |
164 | serge | 184 | mov al, 0x20 |
672 | hidnplayr | 185 | jb @f |
164 | serge | 186 | out 0xa0, al |
187 | @@: |
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672 | hidnplayr | 188 | out 0x20, al |
164 | serge | 189 | |
769 | Rus | 190 | restore_ring3_context |
191 | add esp, 4 |
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192 | |||
164 | serge | 193 | iret |
194 | |||
195 | align 4 |
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196 | proc get_notify stdcall, p_ev:dword |
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197 | |||
198 | .wait: |
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672 | hidnplayr | 199 | mov ebx,[current_slot] |
200 | test dword [ebx+APPDATA.event_mask],EVENT_NOTIFY |
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164 | serge | 201 | jz @f |
672 | hidnplayr | 202 | and dword [ebx+APPDATA.event_mask], not EVENT_NOTIFY |
164 | serge | 203 | mov edi, [p_ev] |
204 | mov dword [edi], EV_INTR |
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672 | hidnplayr | 205 | mov eax, [ebx+APPDATA.event] |
164 | serge | 206 | mov dword [edi+4], eax |
207 | ret |
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208 | @@: |
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209 | call change_task |
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210 | jmp .wait |
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211 | endp |
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212 | |||
213 | align 4 |
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214 | proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword |
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769 | Rus | 215 | push ebx |
164 | serge | 216 | xor eax, eax |
217 | xor ebx, ebx |
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218 | mov ah, byte [bus] |
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672 | hidnplayr | 219 | mov al, 6 |
164 | serge | 220 | mov bh, byte [devfn] |
221 | mov bl, byte [reg] |
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222 | call pci_read_reg |
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769 | Rus | 223 | pop ebx |
164 | serge | 224 | ret |
225 | endp |
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226 | |||
227 | align 4 |
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557 | serge | 228 | proc pci_read16 stdcall, bus:dword, devfn:dword, reg:dword |
769 | Rus | 229 | push ebx |
557 | serge | 230 | xor eax, eax |
231 | xor ebx, ebx |
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232 | mov ah, byte [bus] |
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672 | hidnplayr | 233 | mov al, 5 |
557 | serge | 234 | mov bh, byte [devfn] |
235 | mov bl, byte [reg] |
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236 | call pci_read_reg |
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769 | Rus | 237 | pop ebx |
557 | serge | 238 | ret |
239 | endp |
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240 | |||
241 | align 4 |
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164 | serge | 242 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
769 | Rus | 243 | push ebx |
164 | serge | 244 | xor eax, eax |
245 | xor ebx, ebx |
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246 | mov ah, byte [bus] |
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672 | hidnplayr | 247 | mov al, 4 |
164 | serge | 248 | mov bh, byte [devfn] |
249 | mov bl, byte [reg] |
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250 | call pci_read_reg |
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769 | Rus | 251 | pop ebx |
164 | serge | 252 | ret |
253 | endp |
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254 | |||
255 | align 4 |
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256 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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769 | Rus | 257 | push ebx |
164 | serge | 258 | xor eax, eax |
259 | xor ebx, ebx |
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260 | mov ah, byte [bus] |
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672 | hidnplayr | 261 | mov al, 8 |
164 | serge | 262 | mov bh, byte [devfn] |
263 | mov bl, byte [reg] |
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672 | hidnplayr | 264 | mov ecx, [val] |
265 | call pci_write_reg |
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769 | Rus | 266 | pop ebx |
164 | serge | 267 | ret |
268 | endp |
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269 | |||
557 | serge | 270 | align 4 |
271 | proc pci_write16 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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769 | Rus | 272 | push ebx |
557 | serge | 273 | xor eax, eax |
274 | xor ebx, ebx |
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275 | mov ah, byte [bus] |
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672 | hidnplayr | 276 | mov al, 9 |
557 | serge | 277 | mov bh, byte [devfn] |
278 | mov bl, byte [reg] |
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672 | hidnplayr | 279 | mov ecx, [val] |
280 | call pci_write_reg |
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769 | Rus | 281 | pop ebx |
557 | serge | 282 | ret |
283 | endp |
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284 | |||
672 | hidnplayr | 285 | align 4 |
286 | proc pci_write32 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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769 | Rus | 287 | push ebx |
672 | hidnplayr | 288 | xor eax, eax |
289 | xor ebx, ebx |
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290 | mov ah, byte [bus] |
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291 | mov al, 10 |
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292 | mov bh, byte [devfn] |
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293 | mov bl, byte [reg] |
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294 | mov ecx, [val] |
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295 | call pci_write_reg |
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769 | Rus | 296 | pop ebx |
672 | hidnplayr | 297 | ret |
298 | endp |
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164 | serge | 299 | |
672 | hidnplayr | 300 | handle equ IOCTL.handle |
301 | io_code equ IOCTL.io_code |
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302 | input equ IOCTL.input |
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303 | inp_size equ IOCTL.inp_size |
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304 | output equ IOCTL.output |
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305 | out_size equ IOCTL.out_size |
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164 | serge | 306 | |
672 | hidnplayr | 307 | |
164 | serge | 308 | align 4 |
309 | proc srv_handler stdcall, ioctl:dword |
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672 | hidnplayr | 310 | mov esi, [ioctl] |
311 | test esi, esi |
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312 | jz .err |
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164 | serge | 313 | |
672 | hidnplayr | 314 | mov edi, [esi+handle] |
315 | cmp [edi+SRV.magic], ' SRV' |
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164 | serge | 316 | jne .fail |
317 | |||
672 | hidnplayr | 318 | cmp [edi+SRV.size], SRV_SIZE |
164 | serge | 319 | jne .fail |
320 | |||
672 | hidnplayr | 321 | stdcall [edi+SRV.srv_proc], esi |
322 | ret |
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164 | serge | 323 | .fail: |
672 | hidnplayr | 324 | xor eax, eax |
325 | not eax |
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326 | mov [esi+output], eax |
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327 | mov [esi+out_size], 4 |
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328 | ret |
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164 | serge | 329 | .err: |
672 | hidnplayr | 330 | xor eax, eax |
331 | not eax |
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332 | ret |
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164 | serge | 333 | endp |
334 | |||
377 | serge | 335 | ; param |
336 | ; ebx= io_control |
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337 | ; |
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338 | ; retval |
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339 | ; eax= error code |
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340 | |||
164 | serge | 341 | align 4 |
377 | serge | 342 | srv_handlerEx: |
672 | hidnplayr | 343 | cmp ebx, OS_BASE |
344 | jae .fail |
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164 | serge | 345 | |
672 | hidnplayr | 346 | mov eax, [ebx+handle] |
347 | cmp [eax+SRV.magic], ' SRV' |
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164 | serge | 348 | jne .fail |
349 | |||
672 | hidnplayr | 350 | cmp [eax+SRV.size], SRV_SIZE |
164 | serge | 351 | jne .fail |
352 | |||
672 | hidnplayr | 353 | stdcall [eax+SRV.srv_proc], ebx |
354 | ret |
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164 | serge | 355 | .fail: |
672 | hidnplayr | 356 | or eax, -1 |
357 | ret |
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164 | serge | 358 | |
359 | restore handle |
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360 | restore io_code |
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361 | restore input |
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362 | restore inp_size |
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363 | restore output |
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364 | restore out_size |
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365 | |||
366 | align 4 |
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367 | proc get_service stdcall, sz_name:dword |
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672 | hidnplayr | 368 | mov eax, [sz_name] |
369 | test eax, eax |
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370 | jnz @F |
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371 | ret |
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164 | serge | 372 | @@: |
672 | hidnplayr | 373 | mov edx, [srv.fd] |
188 | serge | 374 | @@: |
672 | hidnplayr | 375 | cmp edx, srv.fd-SRV_FD_OFFSET |
376 | je .not_load |
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278 | serge | 377 | |
672 | hidnplayr | 378 | stdcall strncmp, edx, [sz_name], 16 |
379 | test eax, eax |
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380 | je .ok |
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164 | serge | 381 | |
672 | hidnplayr | 382 | mov edx, [edx+SRV.fd] |
383 | jmp @B |
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164 | serge | 384 | .not_load: |
672 | hidnplayr | 385 | pop ebp |
386 | jmp load_driver |
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164 | serge | 387 | .ok: |
672 | hidnplayr | 388 | mov eax, edx |
389 | ret |
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164 | serge | 390 | endp |
391 | |||
392 | align 4 |
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740 | serge | 393 | proc reg_service stdcall, name:dword, handler:dword |
164 | serge | 394 | |
819 | serge | 395 | push ebx |
164 | serge | 396 | |
819 | serge | 397 | xor eax, eax |
398 | |||
769 | Rus | 399 | cmp [name], eax |
400 | je .fail |
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740 | serge | 401 | |
769 | Rus | 402 | cmp [handler], eax |
403 | je .fail |
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740 | serge | 404 | |
672 | hidnplayr | 405 | mov eax, SRV_SIZE |
406 | call malloc ;call alloc_service |
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164 | serge | 407 | test eax, eax |
408 | jz .fail |
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409 | |||
769 | Rus | 410 | push esi |
411 | push edi |
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164 | serge | 412 | mov edi, eax |
769 | Rus | 413 | mov esi, [name] |
672 | hidnplayr | 414 | mov ecx, 16/4 |
415 | rep movsd |
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769 | Rus | 416 | pop edi |
417 | pop esi |
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164 | serge | 418 | |
672 | hidnplayr | 419 | mov [eax+SRV.magic], ' SRV' |
420 | mov [eax+SRV.size], SRV_SIZE |
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278 | serge | 421 | |
672 | hidnplayr | 422 | mov ebx, srv.fd-SRV_FD_OFFSET |
423 | mov edx, [ebx+SRV.fd] |
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424 | mov [eax+SRV.fd], edx |
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425 | mov [eax+SRV.bk], ebx |
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426 | mov [ebx+SRV.fd], eax |
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427 | mov [edx+SRV.bk], eax |
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278 | serge | 428 | |
769 | Rus | 429 | mov ecx, [handler] |
672 | hidnplayr | 430 | mov [eax+SRV.srv_proc], ecx |
769 | Rus | 431 | pop ebx |
432 | ret |
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164 | serge | 433 | .fail: |
434 | xor eax, eax |
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819 | serge | 435 | pop ebx |
769 | Rus | 436 | ret |
740 | serge | 437 | endp |
164 | serge | 438 | |
439 | align 4 |
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440 | proc get_proc stdcall, exp:dword, sz_name:dword |
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441 | |||
672 | hidnplayr | 442 | mov edx, [exp] |
164 | serge | 443 | .next: |
672 | hidnplayr | 444 | mov eax, [edx] |
445 | test eax, eax |
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446 | jz .end |
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164 | serge | 447 | |
672 | hidnplayr | 448 | push edx |
449 | stdcall strncmp, eax, [sz_name], 16 |
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450 | pop edx |
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451 | test eax, eax |
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452 | jz .ok |
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164 | serge | 453 | |
672 | hidnplayr | 454 | add edx,8 |
455 | jmp .next |
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164 | serge | 456 | .ok: |
672 | hidnplayr | 457 | mov eax, [edx+4] |
164 | serge | 458 | .end: |
672 | hidnplayr | 459 | ret |
164 | serge | 460 | endp |
461 | |||
462 | align 4 |
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463 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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464 | |||
465 | @@: |
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466 | stdcall strncmp, [pSym], [sz_sym], 8 |
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467 | test eax,eax |
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468 | jz .ok |
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469 | add [pSym], 18 |
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470 | dec [count] |
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471 | jnz @b |
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472 | xor eax, eax |
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473 | ret |
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474 | .ok: |
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475 | mov ebx, [pSym] |
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476 | mov eax, [ebx+8] |
||
477 | ret |
||
478 | endp |
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479 | |||
480 | align 4 |
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188 | serge | 481 | proc get_curr_task |
672 | hidnplayr | 482 | mov eax,[CURRENT_TASK] |
483 | shl eax, 8 |
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484 | ret |
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188 | serge | 485 | endp |
164 | serge | 486 | |
188 | serge | 487 | align 4 |
488 | proc get_fileinfo stdcall, file_name:dword, info:dword |
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672 | hidnplayr | 489 | locals |
490 | cmd dd ? |
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491 | offset dd ? |
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492 | dd ? |
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493 | count dd ? |
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494 | buff dd ? |
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495 | db ? |
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496 | name dd ? |
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497 | endl |
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164 | serge | 498 | |
672 | hidnplayr | 499 | xor eax, eax |
500 | mov ebx, [file_name] |
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501 | mov ecx, [info] |
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164 | serge | 502 | |
672 | hidnplayr | 503 | mov [cmd], 5 |
504 | mov [offset], eax |
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505 | mov [offset+4], eax |
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506 | mov [count], eax |
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507 | mov [buff], ecx |
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508 | mov byte [buff+4], al |
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509 | mov [name], ebx |
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164 | serge | 510 | |
672 | hidnplayr | 511 | mov eax, 70 |
512 | lea ebx, [cmd] |
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513 | int 0x40 |
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514 | ret |
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188 | serge | 515 | endp |
164 | serge | 516 | |
188 | serge | 517 | align 4 |
518 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
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672 | hidnplayr | 519 | bytes:dword |
520 | locals |
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521 | cmd dd ? |
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522 | offset dd ? |
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523 | dd ? |
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524 | count dd ? |
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525 | buff dd ? |
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526 | db ? |
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527 | name dd ? |
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528 | endl |
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164 | serge | 529 | |
672 | hidnplayr | 530 | xor eax, eax |
531 | mov ebx, [file_name] |
||
532 | mov ecx, [off] |
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533 | mov edx, [bytes] |
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534 | mov esi, [buffer] |
||
164 | serge | 535 | |
672 | hidnplayr | 536 | mov [cmd], eax |
537 | mov [offset], ecx |
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538 | mov [offset+4], eax |
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539 | mov [count], edx |
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540 | mov [buff], esi |
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541 | mov byte [buff+4], al |
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542 | mov [name], ebx |
||
188 | serge | 543 | |
672 | hidnplayr | 544 | pushad |
545 | push eax |
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546 | lea eax, [cmd] |
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547 | call file_system_lfn |
||
548 | pop eax |
||
549 | popad |
||
550 | ret |
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188 | serge | 551 | endp |
552 | |||
363 | serge | 553 | ; description |
554 | ; allocate kernel memory and loads the specified file |
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555 | ; |
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556 | ; param |
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557 | ; file_name= full path to file |
||
558 | ; |
||
559 | ; retval |
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560 | ; eax= file image in kernel memory |
||
561 | ; ebx= size of file |
||
562 | ; |
||
563 | ; warging |
||
564 | ; You mast call kernel_free() to delete each file |
||
565 | ; loaded by the load_file() function |
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566 | |||
188 | serge | 567 | align 4 |
568 | proc load_file stdcall, file_name:dword |
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672 | hidnplayr | 569 | locals |
570 | attr dd ? |
||
571 | flags dd ? |
||
572 | cr_time dd ? |
||
573 | cr_date dd ? |
||
574 | acc_time dd ? |
||
575 | acc_date dd ? |
||
576 | mod_time dd ? |
||
577 | mod_date dd ? |
||
578 | file_size dd ? |
||
188 | serge | 579 | |
672 | hidnplayr | 580 | file dd ? |
581 | file2 dd ? |
||
582 | endl |
||
188 | serge | 583 | |
672 | hidnplayr | 584 | push esi |
585 | push edi |
||
662 | serge | 586 | |
672 | hidnplayr | 587 | lea eax, [attr] |
588 | stdcall get_fileinfo, [file_name], eax |
||
589 | test eax, eax |
||
590 | jnz .fail |
||
164 | serge | 591 | |
672 | hidnplayr | 592 | mov eax, [file_size] |
593 | cmp eax, 1024*1024*16 |
||
594 | ja .fail |
||
206 | serge | 595 | |
672 | hidnplayr | 596 | stdcall kernel_alloc, [file_size] |
597 | mov [file], eax |
||
164 | serge | 598 | |
672 | hidnplayr | 599 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
600 | cmp ebx, [file_size] |
||
601 | jne .cleanup |
||
211 | serge | 602 | |
672 | hidnplayr | 603 | mov eax, [file] |
604 | cmp dword [eax], 0x4B43504B |
||
605 | jne .exit |
||
606 | mov ebx, [eax+4] |
||
607 | mov [file_size], ebx |
||
608 | stdcall kernel_alloc, ebx |
||
211 | serge | 609 | |
672 | hidnplayr | 610 | test eax, eax |
611 | jz .cleanup |
||
211 | serge | 612 | |
672 | hidnplayr | 613 | mov [file2], eax |
614 | stdcall unpack, [file], eax |
||
615 | stdcall kernel_free, [file] |
||
616 | mov eax, [file2] |
||
617 | mov ebx, [file_size] |
||
211 | serge | 618 | .exit: |
672 | hidnplayr | 619 | push eax |
620 | lea edi, [eax+ebx] ;cleanup remain space |
||
621 | mov ecx, 4096 ;from file end |
||
622 | and ebx, 4095 |
||
623 | jz @f |
||
624 | sub ecx, ebx |
||
625 | xor eax, eax |
||
626 | cld |
||
627 | rep stosb |
||
521 | diamond | 628 | @@: |
672 | hidnplayr | 629 | mov ebx, [file_size] |
630 | pop eax |
||
631 | pop edi |
||
632 | pop esi |
||
633 | ret |
||
188 | serge | 634 | .cleanup: |
672 | hidnplayr | 635 | stdcall kernel_free, [file] |
188 | serge | 636 | .fail: |
672 | hidnplayr | 637 | xor eax, eax |
638 | xor ebx, ebx |
||
639 | pop edi |
||
640 | pop esi |
||
641 | ret |
||
188 | serge | 642 | endp |
164 | serge | 643 | |
188 | serge | 644 | align 4 |
645 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
||
646 | |||
647 | .look_up: |
||
672 | hidnplayr | 648 | mov edx, [imports] |
649 | test edx, edx |
||
650 | jz .end |
||
651 | mov edx, [edx] |
||
652 | test edx, edx |
||
653 | jz .end |
||
188 | serge | 654 | .next: |
672 | hidnplayr | 655 | mov eax, [edx] |
656 | test eax, eax |
||
657 | jz .next_table |
||
164 | serge | 658 | |
672 | hidnplayr | 659 | push edx |
916 | serge | 660 | stdcall strncmp, eax, [proc_name], 256 |
672 | hidnplayr | 661 | pop edx |
662 | test eax, eax |
||
663 | jz .ok |
||
164 | serge | 664 | |
672 | hidnplayr | 665 | add edx,8 |
666 | jmp .next |
||
188 | serge | 667 | .next_table: |
672 | hidnplayr | 668 | add [imports], 4 |
669 | jmp .look_up |
||
188 | serge | 670 | .ok: |
672 | hidnplayr | 671 | mov eax, [edx+4] |
672 | ret |
||
188 | serge | 673 | .end: |
672 | hidnplayr | 674 | xor eax, eax |
675 | ret |
||
188 | serge | 676 | endp |
164 | serge | 677 | |
188 | serge | 678 | align 4 |
679 | proc fix_coff_symbols stdcall, sec:dword, symbols:dword,\ |
||
672 | hidnplayr | 680 | sym_count:dword, strings:dword, imports:dword |
681 | locals |
||
682 | retval dd ? |
||
683 | endl |
||
164 | serge | 684 | |
672 | hidnplayr | 685 | mov edi, [symbols] |
686 | mov [retval], 1 |
||
188 | serge | 687 | .fix: |
672 | hidnplayr | 688 | movzx ebx, [edi+CSYM.SectionNumber] |
689 | test ebx, ebx |
||
690 | jnz .internal |
||
691 | mov eax, dword [edi+CSYM.Name] |
||
692 | test eax, eax |
||
693 | jnz @F |
||
164 | serge | 694 | |
672 | hidnplayr | 695 | mov edi, [edi+4] |
696 | add edi, [strings] |
||
188 | serge | 697 | @@: |
672 | hidnplayr | 698 | push edi |
699 | stdcall get_proc_ex, edi,[imports] |
||
700 | pop edi |
||
164 | serge | 701 | |
672 | hidnplayr | 702 | xor ebx, ebx |
703 | test eax, eax |
||
704 | jnz @F |
||
164 | serge | 705 | |
672 | hidnplayr | 706 | mov esi, msg_unresolved |
707 | call sys_msg_board_str |
||
708 | mov esi, edi |
||
709 | call sys_msg_board_str |
||
710 | mov esi, msg_CR |
||
711 | call sys_msg_board_str |
||
164 | serge | 712 | |
672 | hidnplayr | 713 | mov [retval],0 |
188 | serge | 714 | @@: |
672 | hidnplayr | 715 | mov edi, [symbols] |
716 | mov [edi+CSYM.Value], eax |
||
717 | jmp .next |
||
188 | serge | 718 | .internal: |
672 | hidnplayr | 719 | cmp bx, -1 |
720 | je .next |
||
721 | cmp bx, -2 |
||
722 | je .next |
||
541 | serge | 723 | |
672 | hidnplayr | 724 | dec ebx |
725 | shl ebx, 3 |
||
726 | lea ebx, [ebx+ebx*4] |
||
727 | add ebx, [sec] |
||
188 | serge | 728 | |
672 | hidnplayr | 729 | mov eax, [ebx+CFS.VirtualAddress] |
730 | add [edi+CSYM.Value], eax |
||
188 | serge | 731 | .next: |
672 | hidnplayr | 732 | add edi, CSYM_SIZE |
733 | mov [symbols], edi |
||
734 | dec [sym_count] |
||
735 | jnz .fix |
||
736 | mov eax, [retval] |
||
737 | ret |
||
164 | serge | 738 | endp |
739 | |||
740 | align 4 |
||
188 | serge | 741 | proc fix_coff_relocs stdcall, coff:dword, sec:dword, sym:dword |
164 | serge | 742 | locals |
672 | hidnplayr | 743 | n_sec dd ? |
164 | serge | 744 | endl |
745 | |||
672 | hidnplayr | 746 | mov eax, [coff] |
747 | movzx ebx, [eax+CFH.nSections] |
||
748 | mov [n_sec], ebx |
||
188 | serge | 749 | .fix_sec: |
672 | hidnplayr | 750 | mov esi, [sec] |
164 | serge | 751 | mov edi, [esi+CFS.PtrReloc] |
672 | hidnplayr | 752 | add edi, [coff] |
164 | serge | 753 | |
672 | hidnplayr | 754 | movzx ecx, [esi+CFS.NumReloc] |
755 | test ecx, ecx |
||
756 | jz .next |
||
188 | serge | 757 | .next_reloc: |
164 | serge | 758 | mov ebx, [edi+CRELOC.SymIndex] |
759 | add ebx,ebx |
||
760 | lea ebx,[ebx+ebx*8] |
||
672 | hidnplayr | 761 | add ebx, [sym] |
164 | serge | 762 | |
672 | hidnplayr | 763 | mov edx, [ebx+CSYM.Value] |
164 | serge | 764 | |
672 | hidnplayr | 765 | cmp [edi+CRELOC.Type], 6 |
766 | je .dir_32 |
||
164 | serge | 767 | |
672 | hidnplayr | 768 | cmp [edi+CRELOC.Type], 20 |
769 | jne .next_reloc |
||
188 | serge | 770 | .rel_32: |
164 | serge | 771 | mov eax, [edi+CRELOC.VirtualAddress] |
672 | hidnplayr | 772 | add eax, [esi+CFS.VirtualAddress] |
773 | sub edx, eax |
||
774 | sub edx, 4 |
||
775 | jmp .fix |
||
188 | serge | 776 | .dir_32: |
777 | mov eax, [edi+CRELOC.VirtualAddress] |
||
672 | hidnplayr | 778 | add eax, [esi+CFS.VirtualAddress] |
188 | serge | 779 | .fix: |
672 | hidnplayr | 780 | add [eax], edx |
781 | add edi, 10 |
||
782 | dec ecx |
||
783 | jnz .next_reloc |
||
188 | serge | 784 | .next: |
672 | hidnplayr | 785 | add [sec], COFF_SECTION_SIZE |
786 | dec [n_sec] |
||
787 | jnz .fix_sec |
||
164 | serge | 788 | .exit: |
789 | ret |
||
790 | endp |
||
791 | |||
188 | serge | 792 | align 4 |
346 | diamond | 793 | proc load_driver stdcall, driver_name:dword |
672 | hidnplayr | 794 | locals |
795 | coff dd ? |
||
796 | sym dd ? |
||
797 | strings dd ? |
||
798 | img_size dd ? |
||
799 | img_base dd ? |
||
800 | start dd ? |
||
188 | serge | 801 | |
672 | hidnplayr | 802 | exports dd ? ;fake exports table |
803 | dd ? |
||
804 | file_name rb 13+16+4+1 ; '/sys/drivers/ |
||
805 | endl |
||
188 | serge | 806 | |
672 | hidnplayr | 807 | lea edx, [file_name] |
808 | mov dword [edx], '/sys' |
||
809 | mov dword [edx+4], '/dri' |
||
810 | mov dword [edx+8], 'vers' |
||
811 | mov byte [edx+12], '/' |
||
812 | mov esi, [driver_name] |
||
1018 | diamond | 813 | .redo: |
814 | lea edx, [file_name] |
||
672 | hidnplayr | 815 | lea edi, [edx+13] |
816 | mov ecx, 16 |
||
346 | diamond | 817 | @@: |
672 | hidnplayr | 818 | lodsb |
819 | test al, al |
||
820 | jz @f |
||
821 | stosb |
||
822 | loop @b |
||
346 | diamond | 823 | @@: |
672 | hidnplayr | 824 | mov dword [edi], '.obj' |
825 | mov byte [edi+4], 0 |
||
826 | stdcall load_file, edx |
||
214 | serge | 827 | |
672 | hidnplayr | 828 | test eax, eax |
829 | jz .exit |
||
188 | serge | 830 | |
672 | hidnplayr | 831 | mov [coff], eax |
188 | serge | 832 | |
672 | hidnplayr | 833 | movzx ecx, [eax+CFH.nSections] |
834 | xor ebx, ebx |
||
188 | serge | 835 | |
672 | hidnplayr | 836 | lea edx, [eax+20] |
188 | serge | 837 | @@: |
672 | hidnplayr | 838 | add ebx, [edx+CFS.SizeOfRawData] |
839 | add ebx, 15 |
||
840 | and ebx, not 15 |
||
841 | add edx, COFF_SECTION_SIZE |
||
842 | dec ecx |
||
843 | jnz @B |
||
844 | mov [img_size], ebx |
||
188 | serge | 845 | |
672 | hidnplayr | 846 | stdcall kernel_alloc, ebx |
847 | test eax, eax |
||
848 | jz .fail |
||
849 | mov [img_base], eax |
||
188 | serge | 850 | |
672 | hidnplayr | 851 | mov edi, eax |
852 | xor eax, eax |
||
853 | mov ecx, [img_size] |
||
854 | add ecx, 4095 |
||
855 | and ecx, not 4095 |
||
856 | shr ecx, 2 |
||
857 | cld |
||
858 | rep stosd |
||
188 | serge | 859 | |
672 | hidnplayr | 860 | mov edx, [coff] |
861 | movzx ebx, [edx+CFH.nSections] |
||
862 | mov edi, [img_base] |
||
863 | lea eax, [edx+20] |
||
188 | serge | 864 | @@: |
672 | hidnplayr | 865 | mov [eax+CFS.VirtualAddress], edi |
866 | mov esi, [eax+CFS.PtrRawData] |
||
867 | test esi, esi |
||
868 | jnz .copy |
||
869 | add edi, [eax+CFS.SizeOfRawData] |
||
870 | jmp .next |
||
188 | serge | 871 | .copy: |
672 | hidnplayr | 872 | add esi, edx |
873 | mov ecx, [eax+CFS.SizeOfRawData] |
||
874 | cld |
||
875 | rep movsb |
||
188 | serge | 876 | .next: |
672 | hidnplayr | 877 | add edi, 15 |
878 | and edi, not 15 |
||
879 | add eax, COFF_SECTION_SIZE |
||
880 | dec ebx |
||
881 | jnz @B |
||
188 | serge | 882 | |
672 | hidnplayr | 883 | mov ebx, [edx+CFH.pSymTable] |
884 | add ebx, edx |
||
885 | mov [sym], ebx |
||
886 | mov ecx, [edx+CFH.nSymbols] |
||
887 | add ecx,ecx |
||
888 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
889 | add ecx, [sym] |
||
890 | mov [strings], ecx |
||
188 | serge | 891 | |
672 | hidnplayr | 892 | lea ebx, [exports] |
893 | mov dword [ebx], kernel_export |
||
894 | mov dword [ebx+4], 0 |
||
895 | lea eax, [edx+20] |
||
188 | serge | 896 | |
672 | hidnplayr | 897 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
898 | [strings], ebx |
||
899 | test eax, eax |
||
900 | jz .link_fail |
||
188 | serge | 901 | |
672 | hidnplayr | 902 | mov ebx, [coff] |
903 | add ebx, 20 |
||
904 | stdcall fix_coff_relocs, [coff], ebx, [sym] |
||
188 | serge | 905 | |
672 | hidnplayr | 906 | mov ebx, [coff] |
907 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szVersion |
||
908 | test eax, eax |
||
909 | jz .link_fail |
||
227 | serge | 910 | |
672 | hidnplayr | 911 | mov eax, [eax] |
912 | shr eax, 16 |
||
913 | cmp eax, DRV_COMPAT |
||
914 | jb .ver_fail |
||
227 | serge | 915 | |
672 | hidnplayr | 916 | cmp eax, DRV_CURRENT |
917 | ja .ver_fail |
||
227 | serge | 918 | |
672 | hidnplayr | 919 | mov ebx, [coff] |
920 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szSTART |
||
921 | mov [start], eax |
||
188 | serge | 922 | |
672 | hidnplayr | 923 | stdcall kernel_free, [coff] |
188 | serge | 924 | |
672 | hidnplayr | 925 | mov ebx, [start] |
926 | stdcall ebx, DRV_ENTRY |
||
927 | test eax, eax |
||
928 | jnz .ok |
||
188 | serge | 929 | |
672 | hidnplayr | 930 | stdcall kernel_free, [img_base] |
1018 | diamond | 931 | cmp dword [file_name+13], 'SOUN' |
932 | jnz @f |
||
933 | cmp dword [file_name+17], 'D.ob' |
||
934 | jnz @f |
||
935 | cmp word [file_name+21], 'j' |
||
936 | jnz @f |
||
937 | mov esi, aSis |
||
938 | jmp .redo |
||
939 | @@: |
||
672 | hidnplayr | 940 | xor eax, eax |
941 | ret |
||
188 | serge | 942 | .ok: |
672 | hidnplayr | 943 | mov ebx, [img_base] |
944 | mov [eax+SRV.base], ebx |
||
945 | mov ecx, [start] |
||
946 | mov [eax+SRV.entry], ecx |
||
947 | ret |
||
227 | serge | 948 | |
949 | .ver_fail: |
||
672 | hidnplayr | 950 | mov esi, msg_CR |
951 | call sys_msg_board_str |
||
952 | mov esi, [driver_name] |
||
953 | call sys_msg_board_str |
||
954 | mov esi, msg_CR |
||
955 | call sys_msg_board_str |
||
956 | mov esi, msg_version |
||
957 | call sys_msg_board_str |
||
958 | mov esi, msg_www |
||
959 | call sys_msg_board_str |
||
960 | jmp .cleanup |
||
227 | serge | 961 | |
962 | .link_fail: |
||
672 | hidnplayr | 963 | mov esi, msg_module |
964 | call sys_msg_board_str |
||
965 | mov esi, [driver_name] |
||
966 | call sys_msg_board_str |
||
967 | mov esi, msg_CR |
||
968 | call sys_msg_board_str |
||
227 | serge | 969 | .cleanup: |
672 | hidnplayr | 970 | stdcall kernel_free,[img_base] |
188 | serge | 971 | .fail: |
672 | hidnplayr | 972 | stdcall kernel_free, [coff] |
227 | serge | 973 | .exit: |
672 | hidnplayr | 974 | xor eax, eax |
975 | ret |
||
164 | serge | 976 | endp |
977 | |||
198 | serge | 978 | align 4 |
979 | proc load_library stdcall, file_name:dword |
||
672 | hidnplayr | 980 | locals |
981 | coff dd ? |
||
982 | sym dd ? |
||
983 | strings dd ? |
||
984 | img_size dd ? |
||
985 | img_base dd ? |
||
986 | exports dd ? |
||
987 | endl |
||
198 | serge | 988 | |
672 | hidnplayr | 989 | cli |
198 | serge | 990 | |
672 | hidnplayr | 991 | stdcall load_file, [file_name] |
992 | test eax, eax |
||
993 | jz .fail |
||
198 | serge | 994 | |
672 | hidnplayr | 995 | mov [coff], eax |
996 | movzx ecx, [eax+CFH.nSections] |
||
997 | xor ebx, ebx |
||
198 | serge | 998 | |
672 | hidnplayr | 999 | lea edx, [eax+20] |
198 | serge | 1000 | @@: |
672 | hidnplayr | 1001 | add ebx, [edx+CFS.SizeOfRawData] |
1002 | add ebx, 15 |
||
1003 | and ebx, not 15 |
||
1004 | add edx, COFF_SECTION_SIZE |
||
1005 | dec ecx |
||
1006 | jnz @B |
||
1007 | mov [img_size], ebx |
||
198 | serge | 1008 | |
672 | hidnplayr | 1009 | call init_heap |
1010 | stdcall user_alloc, [img_size] |
||
198 | serge | 1011 | |
672 | hidnplayr | 1012 | test eax, eax |
1013 | jz .fail |
||
1014 | mov [img_base], eax |
||
198 | serge | 1015 | |
672 | hidnplayr | 1016 | mov edx, [coff] |
1017 | movzx ebx, [edx+CFH.nSections] |
||
1018 | mov edi, [img_base] |
||
1019 | lea eax, [edx+20] |
||
198 | serge | 1020 | @@: |
672 | hidnplayr | 1021 | mov [eax+CFS.VirtualAddress], edi |
1022 | mov esi, [eax+CFS.PtrRawData] |
||
1023 | test esi, esi |
||
1024 | jnz .copy |
||
1025 | add edi, [eax+CFS.SizeOfRawData] |
||
1026 | jmp .next |
||
198 | serge | 1027 | .copy: |
672 | hidnplayr | 1028 | add esi, edx |
1029 | mov ecx, [eax+CFS.SizeOfRawData] |
||
1030 | cld |
||
1031 | rep movsb |
||
198 | serge | 1032 | .next: |
672 | hidnplayr | 1033 | add edi, 15 ;-new_app_base |
1034 | and edi, -16 |
||
1035 | add eax, COFF_SECTION_SIZE |
||
1036 | dec ebx |
||
1037 | jnz @B |
||
198 | serge | 1038 | |
672 | hidnplayr | 1039 | mov ebx, [edx+CFH.pSymTable] |
1040 | add ebx, edx |
||
1041 | mov [sym], ebx |
||
1042 | mov ecx, [edx+CFH.nSymbols] |
||
1043 | add ecx,ecx |
||
1044 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
1045 | add ecx, [sym] |
||
1046 | mov [strings], ecx |
||
198 | serge | 1047 | |
672 | hidnplayr | 1048 | lea eax, [edx+20] |
198 | serge | 1049 | |
672 | hidnplayr | 1050 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
1051 | [strings], dword 0 |
||
1052 | test eax, eax |
||
1053 | jnz @F |
||
198 | serge | 1054 | |
1055 | @@: |
||
672 | hidnplayr | 1056 | mov edx, [coff] |
1057 | movzx ebx, [edx+CFH.nSections] |
||
1058 | mov edi, new_app_base |
||
1059 | lea eax, [edx+20] |
||
198 | serge | 1060 | @@: |
672 | hidnplayr | 1061 | add [eax+CFS.VirtualAddress], edi ;patch user space offset |
1062 | add eax, COFF_SECTION_SIZE |
||
1063 | dec ebx |
||
1064 | jnz @B |
||
198 | serge | 1065 | |
672 | hidnplayr | 1066 | add edx, 20 |
1067 | stdcall fix_coff_relocs, [coff], edx, [sym] |
||
198 | serge | 1068 | |
672 | hidnplayr | 1069 | mov ebx, [coff] |
1070 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szEXPORTS |
||
916 | serge | 1071 | test eax, eax |
1072 | jnz @F |
||
1073 | |||
924 | serge | 1074 | mov ebx, [coff] |
916 | serge | 1075 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],sz_EXPORTS |
917 | diamond | 1076 | @@: |
924 | serge | 1077 | mov [exports], eax |
672 | hidnplayr | 1078 | stdcall kernel_free, [coff] |
1079 | mov eax, [exports] |
||
1080 | ret |
||
198 | serge | 1081 | .fail: |
672 | hidnplayr | 1082 | xor eax, eax |
1083 | ret |
||
198 | serge | 1084 | endp |
1085 | |||
214 | serge | 1086 | align 4 |
1087 | proc stop_all_services |
||
278 | serge | 1088 | |
672 | hidnplayr | 1089 | mov edx, [srv.fd] |
214 | serge | 1090 | .next: |
672 | hidnplayr | 1091 | cmp edx, srv.fd-SRV_FD_OFFSET |
1092 | je .done |
||
1093 | cmp [edx+SRV.magic], ' SRV' |
||
1094 | jne .next |
||
1095 | cmp [edx+SRV.size], SRV_SIZE |
||
1096 | jne .next |
||
732 | serge | 1097 | |
769 | Rus | 1098 | mov ebx, [edx+SRV.entry] |
672 | hidnplayr | 1099 | mov edx, [edx+SRV.fd] |
769 | Rus | 1100 | test ebx, ebx |
1101 | jz .next |
||
732 | serge | 1102 | |
769 | Rus | 1103 | push edx |
672 | hidnplayr | 1104 | stdcall ebx, dword -1 |
1105 | pop edx |
||
1106 | jmp .next |
||
278 | serge | 1107 | .done: |
672 | hidnplayr | 1108 | ret |
214 | serge | 1109 | endp |
198 | serge | 1110 | |
281 | serge | 1111 | ; param |
291 | serge | 1112 | ; eax= size |
1113 | ; ebx= pid |
||
214 | serge | 1114 | |
281 | serge | 1115 | align 4 |
1116 | create_kernel_object: |
||
1117 | |||
672 | hidnplayr | 1118 | push ebx |
1119 | call malloc |
||
1120 | pop ebx |
||
1121 | test eax, eax |
||
1122 | jz .fail |
||
281 | serge | 1123 | |
672 | hidnplayr | 1124 | mov ecx,[current_slot] |
1125 | add ecx, APP_OBJ_OFFSET |
||
281 | serge | 1126 | |
672 | hidnplayr | 1127 | pushfd |
1128 | cli |
||
1129 | mov edx, [ecx+APPOBJ.fd] |
||
1130 | mov [eax+APPOBJ.fd], edx |
||
1131 | mov [eax+APPOBJ.bk], ecx |
||
1132 | mov [eax+APPOBJ.pid], ebx |
||
281 | serge | 1133 | |
672 | hidnplayr | 1134 | mov [ecx+APPOBJ.fd], eax |
1135 | mov [edx+APPOBJ.bk], eax |
||
1136 | popfd |
||
281 | serge | 1137 | .fail: |
672 | hidnplayr | 1138 | ret |
281 | serge | 1139 | |
1140 | ; param |
||
1141 | ; eax= object |
||
1142 | |||
1143 | align 4 |
||
1144 | destroy_kernel_object: |
||
1145 | |||
672 | hidnplayr | 1146 | pushfd |
1147 | cli |
||
1148 | mov ebx, [eax+APPOBJ.fd] |
||
1149 | mov ecx, [eax+APPOBJ.bk] |
||
1150 | mov [ebx+APPOBJ.bk], ecx |
||
1151 | mov [ecx+APPOBJ.fd], ebx |
||
1152 | popfd |
||
281 | serge | 1153 | |
672 | hidnplayr | 1154 | xor edx, edx ;clear common header |
1155 | mov [eax], edx |
||
1156 | mov [eax+4], edx |
||
1157 | mov [eax+8], edx |
||
1158 | mov [eax+12], edx |
||
1159 | mov [eax+16], edx |
||
281 | serge | 1160 | |
672 | hidnplayr | 1161 | call free ;release object memory |
1162 | ret |
||
281 | serge | 1163 | |
1164 | |||
164 | serge | 1165 | |
465 | serge | 1166 | if 0 |
164 | serge | 1167 | |
465 | serge | 1168 | irq: |
188 | serge | 1169 | |
465 | serge | 1170 | .irq0: |
672 | hidnplayr | 1171 | pusfd |
1172 | pushad |
||
1173 | push IRQ_0 |
||
1174 | jmp .master |
||
465 | serge | 1175 | .irq_1: |
672 | hidnplayr | 1176 | pusfd |
1177 | pushad |
||
1178 | push IRQ_1 |
||
1179 | jmp .master |
||
465 | serge | 1180 | |
1181 | .master: |
||
672 | hidnplayr | 1182 | mov ax, app_data |
1183 | mov ds, eax |
||
1184 | mov es, eax |
||
1185 | mov ebx, [esp+4] ;IRQ_xx |
||
1186 | mov eax, [irq_handlers+ebx+4] |
||
1187 | call intr_handler |
||
1188 | mov ecx, [esp+4] |
||
1189 | cmp [irq_actids+ecx*4], 0 |
||
1190 | je @F |
||
1191 | in al, 0x21 |
||
1192 | bts eax, ecx |
||
1193 | out 0x21, al |
||
1194 | mov al, 0x20 |
||
1195 | out 0x20, al |
||
1196 | jmp .restart |
||
465 | serge | 1197 | |
1198 | .slave: |
||
672 | hidnplayr | 1199 | mov ax, app_data |
1200 | mov ds, eax |
||
1201 | mov es, eax |
||
1202 | mov ebx, [esp+4] ;IRQ_xx |
||
1203 | mov eax, [irq_handlers+ebx+4] |
||
1204 | call intr_handler |
||
1205 | mov ecx, [esp+4] |
||
1206 | sub ecx, 8 |
||
1207 | cmp [irq_actids+ecx*4], 0 |
||
1208 | je @F |
||
1209 | in al, 0xA1 |
||
1210 | bts eax, ecx |
||
1211 | out 0xA1, al |
||
1212 | mov al, 0x20 |
||
1213 | out 0xA0, al |
||
1214 | out 0x20, al |
||
465 | serge | 1215 | .restart: |
672 | hidnplayr | 1216 | mov ebx, [next_slot] |
1217 | test ebx, ebx |
||
1218 | jz @F |
||
1219 | mov [next_task],0 |
||
1220 | mov esi, [prev_slot] |
||
1221 | call do_change_task |
||
1222 | add esp, 4 |
||
1223 | iretd |
||
465 | serge | 1224 | |
1225 | end if |
||
1226 |