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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: 1275 $ |
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 | |||
1275 | serge | 318 | cmp [edi+SRV.size], SRV.sizeof |
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 | |||
1275 | serge | 350 | cmp [eax+SRV.size], SRV.sizeof |
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 | |
1275 | serge | 405 | mov eax, SRV.sizeof |
406 | call malloc |
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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] |
1275 | serge | 414 | movsd |
415 | movsd |
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416 | movsd |
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417 | movsd |
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769 | Rus | 418 | pop edi |
419 | pop esi |
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164 | serge | 420 | |
672 | hidnplayr | 421 | mov [eax+SRV.magic], ' SRV' |
1275 | serge | 422 | mov [eax+SRV.size], SRV.sizeof |
278 | serge | 423 | |
672 | hidnplayr | 424 | mov ebx, srv.fd-SRV_FD_OFFSET |
425 | mov edx, [ebx+SRV.fd] |
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426 | mov [eax+SRV.fd], edx |
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427 | mov [eax+SRV.bk], ebx |
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428 | mov [ebx+SRV.fd], eax |
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429 | mov [edx+SRV.bk], eax |
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278 | serge | 430 | |
769 | Rus | 431 | mov ecx, [handler] |
672 | hidnplayr | 432 | mov [eax+SRV.srv_proc], ecx |
769 | Rus | 433 | pop ebx |
434 | ret |
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164 | serge | 435 | .fail: |
436 | xor eax, eax |
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819 | serge | 437 | pop ebx |
769 | Rus | 438 | ret |
740 | serge | 439 | endp |
164 | serge | 440 | |
441 | align 4 |
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442 | proc get_proc stdcall, exp:dword, sz_name:dword |
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443 | |||
672 | hidnplayr | 444 | mov edx, [exp] |
164 | serge | 445 | .next: |
672 | hidnplayr | 446 | mov eax, [edx] |
447 | test eax, eax |
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448 | jz .end |
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164 | serge | 449 | |
672 | hidnplayr | 450 | push edx |
451 | stdcall strncmp, eax, [sz_name], 16 |
||
452 | pop edx |
||
453 | test eax, eax |
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454 | jz .ok |
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164 | serge | 455 | |
672 | hidnplayr | 456 | add edx,8 |
457 | jmp .next |
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164 | serge | 458 | .ok: |
672 | hidnplayr | 459 | mov eax, [edx+4] |
164 | serge | 460 | .end: |
672 | hidnplayr | 461 | ret |
164 | serge | 462 | endp |
463 | |||
464 | align 4 |
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465 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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466 | |||
467 | @@: |
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468 | stdcall strncmp, [pSym], [sz_sym], 8 |
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469 | test eax,eax |
||
470 | jz .ok |
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471 | add [pSym], 18 |
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472 | dec [count] |
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473 | jnz @b |
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474 | xor eax, eax |
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475 | ret |
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476 | .ok: |
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477 | mov ebx, [pSym] |
||
478 | mov eax, [ebx+8] |
||
479 | ret |
||
480 | endp |
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481 | |||
482 | align 4 |
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188 | serge | 483 | proc get_curr_task |
672 | hidnplayr | 484 | mov eax,[CURRENT_TASK] |
485 | shl eax, 8 |
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486 | ret |
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188 | serge | 487 | endp |
164 | serge | 488 | |
188 | serge | 489 | align 4 |
490 | proc get_fileinfo stdcall, file_name:dword, info:dword |
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672 | hidnplayr | 491 | locals |
492 | cmd dd ? |
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493 | offset dd ? |
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494 | dd ? |
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495 | count dd ? |
||
496 | buff dd ? |
||
497 | db ? |
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498 | name dd ? |
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499 | endl |
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164 | serge | 500 | |
672 | hidnplayr | 501 | xor eax, eax |
502 | mov ebx, [file_name] |
||
503 | mov ecx, [info] |
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164 | serge | 504 | |
672 | hidnplayr | 505 | mov [cmd], 5 |
506 | mov [offset], eax |
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507 | mov [offset+4], eax |
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508 | mov [count], eax |
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509 | mov [buff], ecx |
||
510 | mov byte [buff+4], al |
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511 | mov [name], ebx |
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164 | serge | 512 | |
672 | hidnplayr | 513 | mov eax, 70 |
514 | lea ebx, [cmd] |
||
515 | int 0x40 |
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516 | ret |
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188 | serge | 517 | endp |
164 | serge | 518 | |
188 | serge | 519 | align 4 |
520 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
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672 | hidnplayr | 521 | bytes:dword |
522 | locals |
||
523 | cmd dd ? |
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524 | offset dd ? |
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525 | dd ? |
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526 | count dd ? |
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527 | buff dd ? |
||
528 | db ? |
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529 | name dd ? |
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530 | endl |
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164 | serge | 531 | |
672 | hidnplayr | 532 | xor eax, eax |
533 | mov ebx, [file_name] |
||
534 | mov ecx, [off] |
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535 | mov edx, [bytes] |
||
536 | mov esi, [buffer] |
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164 | serge | 537 | |
672 | hidnplayr | 538 | mov [cmd], eax |
539 | mov [offset], ecx |
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540 | mov [offset+4], eax |
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541 | mov [count], edx |
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542 | mov [buff], esi |
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543 | mov byte [buff+4], al |
||
544 | mov [name], ebx |
||
188 | serge | 545 | |
672 | hidnplayr | 546 | pushad |
547 | push eax |
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548 | lea eax, [cmd] |
||
549 | call file_system_lfn |
||
550 | pop eax |
||
551 | popad |
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552 | ret |
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188 | serge | 553 | endp |
554 | |||
363 | serge | 555 | ; description |
556 | ; allocate kernel memory and loads the specified file |
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557 | ; |
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558 | ; param |
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559 | ; file_name= full path to file |
||
560 | ; |
||
561 | ; retval |
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562 | ; eax= file image in kernel memory |
||
563 | ; ebx= size of file |
||
564 | ; |
||
565 | ; warging |
||
566 | ; You mast call kernel_free() to delete each file |
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567 | ; loaded by the load_file() function |
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568 | |||
188 | serge | 569 | align 4 |
570 | proc load_file stdcall, file_name:dword |
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672 | hidnplayr | 571 | locals |
572 | attr dd ? |
||
573 | flags dd ? |
||
574 | cr_time dd ? |
||
575 | cr_date dd ? |
||
576 | acc_time dd ? |
||
577 | acc_date dd ? |
||
578 | mod_time dd ? |
||
579 | mod_date dd ? |
||
580 | file_size dd ? |
||
188 | serge | 581 | |
672 | hidnplayr | 582 | file dd ? |
583 | file2 dd ? |
||
584 | endl |
||
188 | serge | 585 | |
672 | hidnplayr | 586 | push esi |
587 | push edi |
||
662 | serge | 588 | |
672 | hidnplayr | 589 | lea eax, [attr] |
590 | stdcall get_fileinfo, [file_name], eax |
||
591 | test eax, eax |
||
592 | jnz .fail |
||
164 | serge | 593 | |
672 | hidnplayr | 594 | mov eax, [file_size] |
595 | cmp eax, 1024*1024*16 |
||
596 | ja .fail |
||
206 | serge | 597 | |
672 | hidnplayr | 598 | stdcall kernel_alloc, [file_size] |
599 | mov [file], eax |
||
164 | serge | 600 | |
672 | hidnplayr | 601 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
602 | cmp ebx, [file_size] |
||
603 | jne .cleanup |
||
211 | serge | 604 | |
672 | hidnplayr | 605 | mov eax, [file] |
606 | cmp dword [eax], 0x4B43504B |
||
607 | jne .exit |
||
608 | mov ebx, [eax+4] |
||
609 | mov [file_size], ebx |
||
610 | stdcall kernel_alloc, ebx |
||
211 | serge | 611 | |
672 | hidnplayr | 612 | test eax, eax |
613 | jz .cleanup |
||
211 | serge | 614 | |
672 | hidnplayr | 615 | mov [file2], eax |
1275 | serge | 616 | pushfd |
617 | cli |
||
672 | hidnplayr | 618 | stdcall unpack, [file], eax |
1275 | serge | 619 | popfd |
672 | hidnplayr | 620 | stdcall kernel_free, [file] |
621 | mov eax, [file2] |
||
622 | mov ebx, [file_size] |
||
211 | serge | 623 | .exit: |
672 | hidnplayr | 624 | push eax |
625 | lea edi, [eax+ebx] ;cleanup remain space |
||
626 | mov ecx, 4096 ;from file end |
||
627 | and ebx, 4095 |
||
628 | jz @f |
||
629 | sub ecx, ebx |
||
630 | xor eax, eax |
||
631 | cld |
||
632 | rep stosb |
||
521 | diamond | 633 | @@: |
672 | hidnplayr | 634 | mov ebx, [file_size] |
635 | pop eax |
||
636 | pop edi |
||
637 | pop esi |
||
638 | ret |
||
188 | serge | 639 | .cleanup: |
672 | hidnplayr | 640 | stdcall kernel_free, [file] |
188 | serge | 641 | .fail: |
672 | hidnplayr | 642 | xor eax, eax |
643 | xor ebx, ebx |
||
644 | pop edi |
||
645 | pop esi |
||
646 | ret |
||
188 | serge | 647 | endp |
164 | serge | 648 | |
188 | serge | 649 | align 4 |
650 | proc get_proc_ex stdcall, proc_name:dword, imports:dword |
||
651 | |||
652 | .look_up: |
||
672 | hidnplayr | 653 | mov edx, [imports] |
654 | test edx, edx |
||
655 | jz .end |
||
656 | mov edx, [edx] |
||
657 | test edx, edx |
||
658 | jz .end |
||
188 | serge | 659 | .next: |
672 | hidnplayr | 660 | mov eax, [edx] |
661 | test eax, eax |
||
662 | jz .next_table |
||
164 | serge | 663 | |
672 | hidnplayr | 664 | push edx |
916 | serge | 665 | stdcall strncmp, eax, [proc_name], 256 |
672 | hidnplayr | 666 | pop edx |
667 | test eax, eax |
||
668 | jz .ok |
||
164 | serge | 669 | |
672 | hidnplayr | 670 | add edx,8 |
671 | jmp .next |
||
188 | serge | 672 | .next_table: |
672 | hidnplayr | 673 | add [imports], 4 |
674 | jmp .look_up |
||
188 | serge | 675 | .ok: |
672 | hidnplayr | 676 | mov eax, [edx+4] |
677 | ret |
||
188 | serge | 678 | .end: |
672 | hidnplayr | 679 | xor eax, eax |
680 | ret |
||
188 | serge | 681 | endp |
164 | serge | 682 | |
188 | serge | 683 | align 4 |
684 | proc fix_coff_symbols stdcall, sec:dword, symbols:dword,\ |
||
672 | hidnplayr | 685 | sym_count:dword, strings:dword, imports:dword |
686 | locals |
||
687 | retval dd ? |
||
688 | endl |
||
164 | serge | 689 | |
672 | hidnplayr | 690 | mov edi, [symbols] |
691 | mov [retval], 1 |
||
188 | serge | 692 | .fix: |
672 | hidnplayr | 693 | movzx ebx, [edi+CSYM.SectionNumber] |
694 | test ebx, ebx |
||
695 | jnz .internal |
||
696 | mov eax, dword [edi+CSYM.Name] |
||
697 | test eax, eax |
||
698 | jnz @F |
||
164 | serge | 699 | |
672 | hidnplayr | 700 | mov edi, [edi+4] |
701 | add edi, [strings] |
||
188 | serge | 702 | @@: |
672 | hidnplayr | 703 | push edi |
704 | stdcall get_proc_ex, edi,[imports] |
||
705 | pop edi |
||
164 | serge | 706 | |
672 | hidnplayr | 707 | xor ebx, ebx |
708 | test eax, eax |
||
709 | jnz @F |
||
164 | serge | 710 | |
672 | hidnplayr | 711 | mov esi, msg_unresolved |
712 | call sys_msg_board_str |
||
713 | mov esi, edi |
||
714 | call sys_msg_board_str |
||
715 | mov esi, msg_CR |
||
716 | call sys_msg_board_str |
||
164 | serge | 717 | |
672 | hidnplayr | 718 | mov [retval],0 |
188 | serge | 719 | @@: |
672 | hidnplayr | 720 | mov edi, [symbols] |
721 | mov [edi+CSYM.Value], eax |
||
722 | jmp .next |
||
188 | serge | 723 | .internal: |
672 | hidnplayr | 724 | cmp bx, -1 |
725 | je .next |
||
726 | cmp bx, -2 |
||
727 | je .next |
||
541 | serge | 728 | |
672 | hidnplayr | 729 | dec ebx |
730 | shl ebx, 3 |
||
731 | lea ebx, [ebx+ebx*4] |
||
732 | add ebx, [sec] |
||
188 | serge | 733 | |
672 | hidnplayr | 734 | mov eax, [ebx+CFS.VirtualAddress] |
735 | add [edi+CSYM.Value], eax |
||
188 | serge | 736 | .next: |
672 | hidnplayr | 737 | add edi, CSYM_SIZE |
738 | mov [symbols], edi |
||
739 | dec [sym_count] |
||
740 | jnz .fix |
||
741 | mov eax, [retval] |
||
742 | ret |
||
164 | serge | 743 | endp |
744 | |||
745 | align 4 |
||
188 | serge | 746 | proc fix_coff_relocs stdcall, coff:dword, sec:dword, sym:dword |
164 | serge | 747 | locals |
672 | hidnplayr | 748 | n_sec dd ? |
164 | serge | 749 | endl |
750 | |||
672 | hidnplayr | 751 | mov eax, [coff] |
752 | movzx ebx, [eax+CFH.nSections] |
||
753 | mov [n_sec], ebx |
||
188 | serge | 754 | .fix_sec: |
672 | hidnplayr | 755 | mov esi, [sec] |
164 | serge | 756 | mov edi, [esi+CFS.PtrReloc] |
672 | hidnplayr | 757 | add edi, [coff] |
164 | serge | 758 | |
672 | hidnplayr | 759 | movzx ecx, [esi+CFS.NumReloc] |
760 | test ecx, ecx |
||
761 | jz .next |
||
188 | serge | 762 | .next_reloc: |
164 | serge | 763 | mov ebx, [edi+CRELOC.SymIndex] |
764 | add ebx,ebx |
||
765 | lea ebx,[ebx+ebx*8] |
||
672 | hidnplayr | 766 | add ebx, [sym] |
164 | serge | 767 | |
672 | hidnplayr | 768 | mov edx, [ebx+CSYM.Value] |
164 | serge | 769 | |
672 | hidnplayr | 770 | cmp [edi+CRELOC.Type], 6 |
771 | je .dir_32 |
||
164 | serge | 772 | |
672 | hidnplayr | 773 | cmp [edi+CRELOC.Type], 20 |
774 | jne .next_reloc |
||
188 | serge | 775 | .rel_32: |
164 | serge | 776 | mov eax, [edi+CRELOC.VirtualAddress] |
672 | hidnplayr | 777 | add eax, [esi+CFS.VirtualAddress] |
778 | sub edx, eax |
||
779 | sub edx, 4 |
||
780 | jmp .fix |
||
188 | serge | 781 | .dir_32: |
782 | mov eax, [edi+CRELOC.VirtualAddress] |
||
672 | hidnplayr | 783 | add eax, [esi+CFS.VirtualAddress] |
188 | serge | 784 | .fix: |
672 | hidnplayr | 785 | add [eax], edx |
786 | add edi, 10 |
||
787 | dec ecx |
||
788 | jnz .next_reloc |
||
188 | serge | 789 | .next: |
672 | hidnplayr | 790 | add [sec], COFF_SECTION_SIZE |
791 | dec [n_sec] |
||
792 | jnz .fix_sec |
||
164 | serge | 793 | .exit: |
794 | ret |
||
795 | endp |
||
796 | |||
188 | serge | 797 | align 4 |
346 | diamond | 798 | proc load_driver stdcall, driver_name:dword |
672 | hidnplayr | 799 | locals |
800 | coff dd ? |
||
801 | sym dd ? |
||
802 | strings dd ? |
||
803 | img_size dd ? |
||
804 | img_base dd ? |
||
805 | start dd ? |
||
188 | serge | 806 | |
672 | hidnplayr | 807 | exports dd ? ;fake exports table |
808 | dd ? |
||
809 | file_name rb 13+16+4+1 ; '/sys/drivers/ |
||
810 | endl |
||
188 | serge | 811 | |
672 | hidnplayr | 812 | lea edx, [file_name] |
813 | mov dword [edx], '/sys' |
||
814 | mov dword [edx+4], '/dri' |
||
815 | mov dword [edx+8], 'vers' |
||
816 | mov byte [edx+12], '/' |
||
817 | mov esi, [driver_name] |
||
1018 | diamond | 818 | .redo: |
819 | lea edx, [file_name] |
||
672 | hidnplayr | 820 | lea edi, [edx+13] |
821 | mov ecx, 16 |
||
346 | diamond | 822 | @@: |
672 | hidnplayr | 823 | lodsb |
824 | test al, al |
||
825 | jz @f |
||
826 | stosb |
||
827 | loop @b |
||
346 | diamond | 828 | @@: |
672 | hidnplayr | 829 | mov dword [edi], '.obj' |
830 | mov byte [edi+4], 0 |
||
831 | stdcall load_file, edx |
||
214 | serge | 832 | |
672 | hidnplayr | 833 | test eax, eax |
834 | jz .exit |
||
188 | serge | 835 | |
672 | hidnplayr | 836 | mov [coff], eax |
188 | serge | 837 | |
672 | hidnplayr | 838 | movzx ecx, [eax+CFH.nSections] |
839 | xor ebx, ebx |
||
188 | serge | 840 | |
672 | hidnplayr | 841 | lea edx, [eax+20] |
188 | serge | 842 | @@: |
672 | hidnplayr | 843 | add ebx, [edx+CFS.SizeOfRawData] |
844 | add ebx, 15 |
||
845 | and ebx, not 15 |
||
846 | add edx, COFF_SECTION_SIZE |
||
847 | dec ecx |
||
848 | jnz @B |
||
849 | mov [img_size], ebx |
||
188 | serge | 850 | |
672 | hidnplayr | 851 | stdcall kernel_alloc, ebx |
852 | test eax, eax |
||
853 | jz .fail |
||
854 | mov [img_base], eax |
||
188 | serge | 855 | |
672 | hidnplayr | 856 | mov edi, eax |
857 | xor eax, eax |
||
858 | mov ecx, [img_size] |
||
859 | add ecx, 4095 |
||
860 | and ecx, not 4095 |
||
861 | shr ecx, 2 |
||
862 | cld |
||
863 | rep stosd |
||
188 | serge | 864 | |
672 | hidnplayr | 865 | mov edx, [coff] |
866 | movzx ebx, [edx+CFH.nSections] |
||
867 | mov edi, [img_base] |
||
868 | lea eax, [edx+20] |
||
188 | serge | 869 | @@: |
672 | hidnplayr | 870 | mov [eax+CFS.VirtualAddress], edi |
871 | mov esi, [eax+CFS.PtrRawData] |
||
872 | test esi, esi |
||
873 | jnz .copy |
||
874 | add edi, [eax+CFS.SizeOfRawData] |
||
875 | jmp .next |
||
188 | serge | 876 | .copy: |
672 | hidnplayr | 877 | add esi, edx |
878 | mov ecx, [eax+CFS.SizeOfRawData] |
||
879 | cld |
||
880 | rep movsb |
||
188 | serge | 881 | .next: |
672 | hidnplayr | 882 | add edi, 15 |
883 | and edi, not 15 |
||
884 | add eax, COFF_SECTION_SIZE |
||
885 | dec ebx |
||
886 | jnz @B |
||
188 | serge | 887 | |
672 | hidnplayr | 888 | mov ebx, [edx+CFH.pSymTable] |
889 | add ebx, edx |
||
890 | mov [sym], ebx |
||
891 | mov ecx, [edx+CFH.nSymbols] |
||
892 | add ecx,ecx |
||
893 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
894 | add ecx, [sym] |
||
895 | mov [strings], ecx |
||
188 | serge | 896 | |
672 | hidnplayr | 897 | lea ebx, [exports] |
898 | mov dword [ebx], kernel_export |
||
899 | mov dword [ebx+4], 0 |
||
900 | lea eax, [edx+20] |
||
188 | serge | 901 | |
672 | hidnplayr | 902 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
903 | [strings], ebx |
||
904 | test eax, eax |
||
905 | jz .link_fail |
||
188 | serge | 906 | |
672 | hidnplayr | 907 | mov ebx, [coff] |
908 | add ebx, 20 |
||
909 | stdcall fix_coff_relocs, [coff], ebx, [sym] |
||
188 | serge | 910 | |
672 | hidnplayr | 911 | mov ebx, [coff] |
912 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szVersion |
||
913 | test eax, eax |
||
914 | jz .link_fail |
||
227 | serge | 915 | |
672 | hidnplayr | 916 | mov eax, [eax] |
917 | shr eax, 16 |
||
918 | cmp eax, DRV_COMPAT |
||
919 | jb .ver_fail |
||
227 | serge | 920 | |
672 | hidnplayr | 921 | cmp eax, DRV_CURRENT |
922 | ja .ver_fail |
||
227 | serge | 923 | |
672 | hidnplayr | 924 | mov ebx, [coff] |
925 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szSTART |
||
926 | mov [start], eax |
||
188 | serge | 927 | |
672 | hidnplayr | 928 | stdcall kernel_free, [coff] |
188 | serge | 929 | |
672 | hidnplayr | 930 | mov ebx, [start] |
931 | stdcall ebx, DRV_ENTRY |
||
932 | test eax, eax |
||
933 | jnz .ok |
||
188 | serge | 934 | |
672 | hidnplayr | 935 | stdcall kernel_free, [img_base] |
1018 | diamond | 936 | cmp dword [file_name+13], 'SOUN' |
937 | jnz @f |
||
938 | cmp dword [file_name+17], 'D.ob' |
||
939 | jnz @f |
||
940 | cmp word [file_name+21], 'j' |
||
941 | jnz @f |
||
942 | mov esi, aSis |
||
943 | jmp .redo |
||
944 | @@: |
||
672 | hidnplayr | 945 | xor eax, eax |
946 | ret |
||
188 | serge | 947 | .ok: |
672 | hidnplayr | 948 | mov ebx, [img_base] |
949 | mov [eax+SRV.base], ebx |
||
950 | mov ecx, [start] |
||
951 | mov [eax+SRV.entry], ecx |
||
952 | ret |
||
227 | serge | 953 | |
954 | .ver_fail: |
||
672 | hidnplayr | 955 | mov esi, msg_CR |
956 | call sys_msg_board_str |
||
957 | mov esi, [driver_name] |
||
958 | call sys_msg_board_str |
||
959 | mov esi, msg_CR |
||
960 | call sys_msg_board_str |
||
961 | mov esi, msg_version |
||
962 | call sys_msg_board_str |
||
963 | mov esi, msg_www |
||
964 | call sys_msg_board_str |
||
965 | jmp .cleanup |
||
227 | serge | 966 | |
967 | .link_fail: |
||
672 | hidnplayr | 968 | mov esi, msg_module |
969 | call sys_msg_board_str |
||
970 | mov esi, [driver_name] |
||
971 | call sys_msg_board_str |
||
972 | mov esi, msg_CR |
||
973 | call sys_msg_board_str |
||
227 | serge | 974 | .cleanup: |
672 | hidnplayr | 975 | stdcall kernel_free,[img_base] |
188 | serge | 976 | .fail: |
672 | hidnplayr | 977 | stdcall kernel_free, [coff] |
227 | serge | 978 | .exit: |
672 | hidnplayr | 979 | xor eax, eax |
980 | ret |
||
164 | serge | 981 | endp |
982 | |||
198 | serge | 983 | align 4 |
984 | proc load_library stdcall, file_name:dword |
||
672 | hidnplayr | 985 | locals |
986 | coff dd ? |
||
987 | sym dd ? |
||
988 | strings dd ? |
||
989 | img_size dd ? |
||
990 | img_base dd ? |
||
991 | exports dd ? |
||
992 | endl |
||
198 | serge | 993 | |
672 | hidnplayr | 994 | cli |
198 | serge | 995 | |
672 | hidnplayr | 996 | stdcall load_file, [file_name] |
997 | test eax, eax |
||
998 | jz .fail |
||
198 | serge | 999 | |
672 | hidnplayr | 1000 | mov [coff], eax |
1001 | movzx ecx, [eax+CFH.nSections] |
||
1002 | xor ebx, ebx |
||
198 | serge | 1003 | |
672 | hidnplayr | 1004 | lea edx, [eax+20] |
198 | serge | 1005 | @@: |
672 | hidnplayr | 1006 | add ebx, [edx+CFS.SizeOfRawData] |
1007 | add ebx, 15 |
||
1008 | and ebx, not 15 |
||
1009 | add edx, COFF_SECTION_SIZE |
||
1010 | dec ecx |
||
1011 | jnz @B |
||
1012 | mov [img_size], ebx |
||
198 | serge | 1013 | |
672 | hidnplayr | 1014 | call init_heap |
1015 | stdcall user_alloc, [img_size] |
||
198 | serge | 1016 | |
672 | hidnplayr | 1017 | test eax, eax |
1018 | jz .fail |
||
1019 | mov [img_base], eax |
||
198 | serge | 1020 | |
672 | hidnplayr | 1021 | mov edx, [coff] |
1022 | movzx ebx, [edx+CFH.nSections] |
||
1023 | mov edi, [img_base] |
||
1024 | lea eax, [edx+20] |
||
198 | serge | 1025 | @@: |
672 | hidnplayr | 1026 | mov [eax+CFS.VirtualAddress], edi |
1027 | mov esi, [eax+CFS.PtrRawData] |
||
1028 | test esi, esi |
||
1029 | jnz .copy |
||
1030 | add edi, [eax+CFS.SizeOfRawData] |
||
1031 | jmp .next |
||
198 | serge | 1032 | .copy: |
672 | hidnplayr | 1033 | add esi, edx |
1034 | mov ecx, [eax+CFS.SizeOfRawData] |
||
1035 | cld |
||
1036 | rep movsb |
||
198 | serge | 1037 | .next: |
672 | hidnplayr | 1038 | add edi, 15 ;-new_app_base |
1039 | and edi, -16 |
||
1040 | add eax, COFF_SECTION_SIZE |
||
1041 | dec ebx |
||
1042 | jnz @B |
||
198 | serge | 1043 | |
672 | hidnplayr | 1044 | mov ebx, [edx+CFH.pSymTable] |
1045 | add ebx, edx |
||
1046 | mov [sym], ebx |
||
1047 | mov ecx, [edx+CFH.nSymbols] |
||
1048 | add ecx,ecx |
||
1049 | lea ecx,[ecx+ecx*8] ;ecx*=18 = nSymbols*CSYM_SIZE |
||
1050 | add ecx, [sym] |
||
1051 | mov [strings], ecx |
||
198 | serge | 1052 | |
672 | hidnplayr | 1053 | lea eax, [edx+20] |
198 | serge | 1054 | |
672 | hidnplayr | 1055 | stdcall fix_coff_symbols, eax, [sym], [edx+CFH.nSymbols],\ |
1056 | [strings], dword 0 |
||
1057 | test eax, eax |
||
1058 | jnz @F |
||
198 | serge | 1059 | |
1060 | @@: |
||
672 | hidnplayr | 1061 | mov edx, [coff] |
1062 | movzx ebx, [edx+CFH.nSections] |
||
1063 | mov edi, new_app_base |
||
1064 | lea eax, [edx+20] |
||
198 | serge | 1065 | @@: |
672 | hidnplayr | 1066 | add [eax+CFS.VirtualAddress], edi ;patch user space offset |
1067 | add eax, COFF_SECTION_SIZE |
||
1068 | dec ebx |
||
1069 | jnz @B |
||
198 | serge | 1070 | |
672 | hidnplayr | 1071 | add edx, 20 |
1072 | stdcall fix_coff_relocs, [coff], edx, [sym] |
||
198 | serge | 1073 | |
672 | hidnplayr | 1074 | mov ebx, [coff] |
1075 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],szEXPORTS |
||
916 | serge | 1076 | test eax, eax |
1077 | jnz @F |
||
1078 | |||
924 | serge | 1079 | mov ebx, [coff] |
916 | serge | 1080 | stdcall get_coff_sym,[sym],[ebx+CFH.nSymbols],sz_EXPORTS |
917 | diamond | 1081 | @@: |
924 | serge | 1082 | mov [exports], eax |
672 | hidnplayr | 1083 | stdcall kernel_free, [coff] |
1084 | mov eax, [exports] |
||
1085 | ret |
||
198 | serge | 1086 | .fail: |
672 | hidnplayr | 1087 | xor eax, eax |
1088 | ret |
||
198 | serge | 1089 | endp |
1090 | |||
214 | serge | 1091 | align 4 |
1275 | serge | 1092 | stop_all_services: |
1093 | push ebp |
||
672 | hidnplayr | 1094 | mov edx, [srv.fd] |
214 | serge | 1095 | .next: |
672 | hidnplayr | 1096 | cmp edx, srv.fd-SRV_FD_OFFSET |
1097 | je .done |
||
1098 | cmp [edx+SRV.magic], ' SRV' |
||
1099 | jne .next |
||
1275 | serge | 1100 | cmp [edx+SRV.size], SRV.sizeof |
672 | hidnplayr | 1101 | jne .next |
732 | serge | 1102 | |
769 | Rus | 1103 | mov ebx, [edx+SRV.entry] |
672 | hidnplayr | 1104 | mov edx, [edx+SRV.fd] |
769 | Rus | 1105 | test ebx, ebx |
1106 | jz .next |
||
732 | serge | 1107 | |
769 | Rus | 1108 | push edx |
672 | hidnplayr | 1109 | stdcall ebx, dword -1 |
1110 | pop edx |
||
1111 | jmp .next |
||
278 | serge | 1112 | .done: |
1275 | serge | 1113 | pop ebp |
672 | hidnplayr | 1114 | ret |
198 | serge | 1115 | |
281 | serge | 1116 | ; param |
291 | serge | 1117 | ; eax= size |
1118 | ; ebx= pid |
||
214 | serge | 1119 | |
281 | serge | 1120 | align 4 |
1121 | create_kernel_object: |
||
1122 | |||
672 | hidnplayr | 1123 | push ebx |
1124 | call malloc |
||
1125 | pop ebx |
||
1126 | test eax, eax |
||
1127 | jz .fail |
||
281 | serge | 1128 | |
672 | hidnplayr | 1129 | mov ecx,[current_slot] |
1130 | add ecx, APP_OBJ_OFFSET |
||
281 | serge | 1131 | |
672 | hidnplayr | 1132 | pushfd |
1133 | cli |
||
1134 | mov edx, [ecx+APPOBJ.fd] |
||
1135 | mov [eax+APPOBJ.fd], edx |
||
1136 | mov [eax+APPOBJ.bk], ecx |
||
1137 | mov [eax+APPOBJ.pid], ebx |
||
281 | serge | 1138 | |
672 | hidnplayr | 1139 | mov [ecx+APPOBJ.fd], eax |
1140 | mov [edx+APPOBJ.bk], eax |
||
1141 | popfd |
||
281 | serge | 1142 | .fail: |
672 | hidnplayr | 1143 | ret |
281 | serge | 1144 | |
1145 | ; param |
||
1146 | ; eax= object |
||
1147 | |||
1148 | align 4 |
||
1149 | destroy_kernel_object: |
||
1150 | |||
672 | hidnplayr | 1151 | pushfd |
1152 | cli |
||
1153 | mov ebx, [eax+APPOBJ.fd] |
||
1154 | mov ecx, [eax+APPOBJ.bk] |
||
1155 | mov [ebx+APPOBJ.bk], ecx |
||
1156 | mov [ecx+APPOBJ.fd], ebx |
||
1157 | popfd |
||
281 | serge | 1158 | |
672 | hidnplayr | 1159 | xor edx, edx ;clear common header |
1160 | mov [eax], edx |
||
1161 | mov [eax+4], edx |
||
1162 | mov [eax+8], edx |
||
1163 | mov [eax+12], edx |
||
1164 | mov [eax+16], edx |
||
281 | serge | 1165 | |
672 | hidnplayr | 1166 | call free ;release object memory |
1167 | ret |
||
281 | serge | 1168 | |
1169 | |||
164 | serge | 1170 | |
465 | serge | 1171 | if 0 |
164 | serge | 1172 | |
465 | serge | 1173 | irq: |
188 | serge | 1174 | |
465 | serge | 1175 | .irq0: |
672 | hidnplayr | 1176 | pusfd |
1177 | pushad |
||
1178 | push IRQ_0 |
||
1179 | jmp .master |
||
465 | serge | 1180 | .irq_1: |
672 | hidnplayr | 1181 | pusfd |
1182 | pushad |
||
1183 | push IRQ_1 |
||
1184 | jmp .master |
||
465 | serge | 1185 | |
1186 | .master: |
||
672 | hidnplayr | 1187 | mov ax, app_data |
1188 | mov ds, eax |
||
1189 | mov es, eax |
||
1190 | mov ebx, [esp+4] ;IRQ_xx |
||
1191 | mov eax, [irq_handlers+ebx+4] |
||
1192 | call intr_handler |
||
1193 | mov ecx, [esp+4] |
||
1194 | cmp [irq_actids+ecx*4], 0 |
||
1195 | je @F |
||
1196 | in al, 0x21 |
||
1197 | bts eax, ecx |
||
1198 | out 0x21, al |
||
1199 | mov al, 0x20 |
||
1200 | out 0x20, al |
||
1201 | jmp .restart |
||
465 | serge | 1202 | |
1203 | .slave: |
||
672 | hidnplayr | 1204 | mov ax, app_data |
1205 | mov ds, eax |
||
1206 | mov es, eax |
||
1207 | mov ebx, [esp+4] ;IRQ_xx |
||
1208 | mov eax, [irq_handlers+ebx+4] |
||
1209 | call intr_handler |
||
1210 | mov ecx, [esp+4] |
||
1211 | sub ecx, 8 |
||
1212 | cmp [irq_actids+ecx*4], 0 |
||
1213 | je @F |
||
1214 | in al, 0xA1 |
||
1215 | bts eax, ecx |
||
1216 | out 0xA1, al |
||
1217 | mov al, 0x20 |
||
1218 | out 0xA0, al |
||
1219 | out 0x20, al |
||
465 | serge | 1220 | .restart: |
672 | hidnplayr | 1221 | mov ebx, [next_slot] |
1222 | test ebx, ebx |
||
1223 | jz @F |
||
1224 | mov [next_task],0 |
||
1225 | mov esi, [prev_slot] |
||
1226 | call do_change_task |
||
1227 | add esp, 4 |
||
1228 | iretd |
||
465 | serge | 1229 | |
1230 | end if |
||
1231 |