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Rev | Author | Line No. | Line |
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1 | ha | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; MenuetOS process management, protected ring3 ;; |
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4 | ;; ;; |
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5 | ;; Distributed under GPL. See file COPYING for details. ;; |
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6 | ;; Copyright 2003 Ville Turjanmaa ;; |
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7 | ;; ;; |
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8 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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9 | |||
10 | idtreg: |
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11 | dw 8*0x41-1 |
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12 | dd idts+8 |
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164 | serge | 13 | ;label idts at 0xB100-8 |
1 | ha | 14 | |
15 | build_process_gdt_tss_pointer: |
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16 | |||
17 | mov ecx,tss_data |
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18 | mov edi,0 |
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19 | setgdtl2: |
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20 | mov [edi+gdts+ tss0 +0], word tss_step |
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21 | mov [edi+gdts+ tss0 +2], cx |
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22 | mov eax,ecx |
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23 | shr eax,16 |
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24 | mov [edi+gdts+ tss0 +4], al |
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25 | mov [edi+gdts+ tss0 +7], ah |
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26 | mov [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b |
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27 | add ecx,tss_step |
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28 | add edi,8 |
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29 | cmp edi,8*(max_processes+5) |
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30 | jbe setgdtl2 |
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31 | |||
32 | ret |
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33 | |||
34 | |||
35 | build_interrupt_table: |
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36 | |||
6 | poddubny | 37 | mov edi, idts+8 |
38 | mov esi, sys_int |
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8 | poddubny | 39 | mov ecx, 0x40 |
6 | poddubny | 40 | @@: |
41 | mov eax, [esi] |
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42 | mov [edi], ax ; lower part of offset |
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43 | mov [edi+2], word os_code ; segment selector |
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44 | shr eax, 16 |
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45 | mov [edi+4], word 10001110b shl 8 ; interrupt descriptor |
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46 | mov [edi+6], ax |
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47 | add esi, 4 |
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48 | add edi, 8 |
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49 | dec ecx |
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50 | jnz @b |
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164 | serge | 51 | |
8 | poddubny | 52 | ;mov edi,8*0x40+idts+8 |
3 | halyavin | 53 | mov [edi + 0], word (i40 and ((1 shl 16)-1)) |
54 | mov [edi + 2], word os_code |
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55 | mov [edi + 4], word 11101110b*256 |
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9 | halyavin | 56 | mov [edi + 6], word (i40 shr 16) |
1 | ha | 57 | |
58 | ret |
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59 | |||
60 | iglobal |
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61 | sys_int: |
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164 | serge | 62 | dd e0,debug_exc,e2,e3 |
63 | dd e4,e5,e6,e7 |
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64 | dd e8,e9,e10,e11 |
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65 | dd e12,e13,page_fault_handler,e15 |
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66 | |||
168 | serge | 67 | dd except_16, e17,e18, except_19 |
68 | times 12 dd unknown_interrupt |
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1 | ha | 69 | |
221 | serge | 70 | dd irq0 , irq_serv.irq_1, p_irq2 , p_irq3 ;irq_serv.irq_3 |
164 | serge | 71 | dd p_irq4 ,irq_serv.irq_5,p_irq6,irq_serv.irq_7 |
72 | dd irq_serv.irq_8, irq_serv.irq_9, irq_serv.irq_10 |
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73 | dd irq_serv.irq_11,p_irq12,irqD ,p_irq14,p_irq15 |
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1 | ha | 74 | |
75 | times 16 dd unknown_interrupt |
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76 | |||
77 | dd i40 |
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78 | endg |
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79 | |||
40 | halyavin | 80 | macro save_ring3_context |
81 | { |
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58 | mario79 | 82 | push ds es |
83 | pushad |
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40 | halyavin | 84 | } |
85 | macro restore_ring3_context |
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86 | { |
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58 | mario79 | 87 | popad |
88 | pop es ds |
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40 | halyavin | 89 | } |
90 | |||
8 | poddubny | 91 | ; simply return control to interrupted process |
92 | unknown_interrupt: |
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93 | iret |
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1 | ha | 94 | |
22 | poddubny | 95 | macro exc_wo_code [num] |
8 | poddubny | 96 | { |
97 | forward |
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98 | e#num : |
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40 | halyavin | 99 | save_ring3_context |
20 | mario79 | 100 | mov bl, num |
101 | jmp exc_c |
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8 | poddubny | 102 | } |
1 | ha | 103 | |
22 | poddubny | 104 | macro exc_w_code [num] |
105 | { |
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106 | forward |
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107 | e#num : |
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108 | add esp, 4 |
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40 | halyavin | 109 | save_ring3_context |
22 | poddubny | 110 | mov bl, num |
111 | jmp exc_c |
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112 | } |
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113 | |||
168 | serge | 114 | exc_wo_code 0, 1, 2, 3, 4, 5, 6, 9, 15, 18 |
22 | poddubny | 115 | exc_w_code 8, 10, 11, 12, 13, 14, 17 |
116 | |||
8 | poddubny | 117 | exc_c: |
6 | poddubny | 118 | mov ax, os_data |
119 | mov ds, ax |
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120 | mov es, ax |
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1 | ha | 121 | |
40 | halyavin | 122 | ; test if debugging |
123 | cli |
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124 | mov eax, [0x3000] |
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125 | shl eax, 8 |
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115 | poddubny | 126 | mov eax, [0x80000+eax+APPDATA.debugger_slot] |
40 | halyavin | 127 | test eax, eax |
128 | jnz .debug |
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129 | sti |
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130 | ; not debuggee => say error and terminate |
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131 | add esp, 28h |
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164 | serge | 132 | movzx eax, bl |
8 | poddubny | 133 | mov [error_interrupt], eax |
1 | ha | 134 | call show_error_parameters |
164 | serge | 135 | |
8 | poddubny | 136 | mov edx, [0x3010] |
115 | poddubny | 137 | mov [edx + TASKDATA.state], byte 4 |
164 | serge | 138 | |
1 | ha | 139 | jmp change_task |
140 | |||
40 | halyavin | 141 | .debug: |
142 | ; we are debugged process, notify debugger and suspend ourself |
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143 | ; eax=debugger PID |
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113 | diamond | 144 | cld |
40 | halyavin | 145 | movzx ecx, bl |
146 | push ecx |
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147 | mov ecx, [0x3010] |
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115 | poddubny | 148 | push dword [ecx+TASKDATA.pid] ; PID of current process |
40 | halyavin | 149 | push 12 |
150 | pop ecx |
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58 | mario79 | 151 | push 1 ; 1=exception |
40 | halyavin | 152 | call debugger_notify |
153 | pop ecx |
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154 | pop ecx |
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155 | pop ecx |
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156 | mov edx, [0x3010] |
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115 | poddubny | 157 | mov byte [edx+TASKDATA.state], 1 ; suspended |
40 | halyavin | 158 | call change_task |
159 | restore_ring3_context |
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160 | iretd |
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1 | ha | 161 | |
162 | writehex: |
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163 | pusha |
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164 | serge | 164 | |
8 | poddubny | 165 | mov edi, [write_error_to] |
166 | mov esi, 8 |
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167 | @@: |
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168 | mov ecx, eax |
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169 | and ecx, 0xf |
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1 | ha | 170 | |
8 | poddubny | 171 | mov cl,[ecx+hexletters] |
1 | ha | 172 | mov [edi],cl |
8 | poddubny | 173 | dec edi |
1 | ha | 174 | |
8 | poddubny | 175 | shr eax,4 |
1 | ha | 176 | dec esi |
8 | poddubny | 177 | jnz @b |
1 | ha | 178 | |
179 | popa |
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180 | ret |
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181 | |||
182 | iglobal |
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183 | hexletters db '0123456789ABCDEF' |
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184 | |||
185 | error_interrupt dd -1 |
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186 | |||
187 | process_error db 'K : Process - forced terminate INT: 00000000',13,10,0 |
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188 | process_pid db 'K : Process - forced terminate PID: 00000000',13,10,0 |
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189 | process_eip db 'K : Process - forced terminate EIP: 00000000',13,10,0 |
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190 | system_error db 'K : Kernel error',13,10,0 |
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191 | endg |
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192 | |||
193 | uglobal |
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194 | write_error_to dd 0x0 |
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195 | endg |
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196 | |||
197 | show_error_parameters: |
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164 | serge | 198 | |
1 | ha | 199 | mov [write_error_to],process_pid+43 |
200 | mov eax,[0x3000] |
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201 | shl eax, 5 |
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115 | poddubny | 202 | mov eax,[0x3000+TASKDATA.pid+eax] |
1 | ha | 203 | call writehex |
164 | serge | 204 | |
1 | ha | 205 | mov [write_error_to],process_error+43 |
206 | mov eax,[error_interrupt] |
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207 | call writehex |
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16 | poddubny | 208 | |
209 | cmp dword [esp+4+4], os_code ; CS |
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210 | jnz @f |
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10 | poddubny | 211 | mov esi,system_error |
212 | call sys_msg_board_str |
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213 | @@: |
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16 | poddubny | 214 | mov eax, [esp+4] ; EIP |
10 | poddubny | 215 | |
1 | ha | 216 | mov [write_error_to],process_eip+43 |
217 | call writehex |
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218 | |||
219 | mov esi,process_error |
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220 | call sys_msg_board_str |
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221 | |||
222 | mov esi,process_pid |
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223 | call sys_msg_board_str |
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224 | |||
225 | mov esi,process_eip |
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226 | call sys_msg_board_str |
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227 | |||
228 | ret |
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229 | |||
230 | |||
231 | |||
6 | poddubny | 232 | ; irq1 -> hid/keyboard.inc |
1 | ha | 233 | |
234 | |||
10 | poddubny | 235 | macro irqh [num] |
8 | poddubny | 236 | { |
237 | forward |
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238 | p_irq#num : |
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40 | halyavin | 239 | save_ring3_context |
8 | poddubny | 240 | mov edi, num |
241 | jmp irq_c |
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242 | } |
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1 | ha | 243 | |
160 | diamond | 244 | irqh 2,5,7,8,9,10,11 |
1 | ha | 245 | |
8 | poddubny | 246 | irq_c: |
247 | mov ax, os_data |
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248 | mov ds, ax |
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249 | mov es, ax |
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1 | ha | 250 | call irqhandler |
40 | halyavin | 251 | restore_ring3_context |
8 | poddubny | 252 | iret |
11 | poddubny | 253 | |
254 | p_irq6: |
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40 | halyavin | 255 | save_ring3_context |
11 | poddubny | 256 | mov ax, os_data |
257 | mov ds, ax |
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258 | mov es, ax |
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259 | call fdc_irq |
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33 | mario79 | 260 | call ready_for_next_irq |
40 | halyavin | 261 | restore_ring3_context |
33 | mario79 | 262 | iret |
15 | poddubny | 263 | |
33 | mario79 | 264 | p_irq3: |
40 | halyavin | 265 | save_ring3_context |
33 | mario79 | 266 | mov ax, os_data |
267 | mov ds, ax |
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268 | mov es, ax |
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58 | mario79 | 269 | cmp [com2_mouse_detected],0 |
270 | je old_irq3_handler |
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33 | mario79 | 271 | call check_mouse_data_com2 |
58 | mario79 | 272 | jmp p_irq3_1 |
273 | old_irq3_handler: |
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274 | mov edi,3 |
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275 | call irqhandler |
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164 | serge | 276 | p_irq3_1: |
40 | halyavin | 277 | restore_ring3_context |
33 | mario79 | 278 | iret |
15 | poddubny | 279 | |
33 | mario79 | 280 | p_irq4: |
40 | halyavin | 281 | save_ring3_context |
33 | mario79 | 282 | mov ax, os_data |
283 | mov ds, ax |
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284 | mov es, ax |
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58 | mario79 | 285 | cmp [com1_mouse_detected],0 |
286 | je old_irq4_handler |
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33 | mario79 | 287 | call check_mouse_data_com1 |
58 | mario79 | 288 | jmp p_irq4_1 |
289 | old_irq4_handler: |
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290 | mov edi,4 |
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291 | call irqhandler |
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164 | serge | 292 | p_irq4_1: |
40 | halyavin | 293 | restore_ring3_context |
11 | poddubny | 294 | iret |
295 | |||
33 | mario79 | 296 | p_irq12: |
40 | halyavin | 297 | save_ring3_context |
33 | mario79 | 298 | mov ax, os_data |
299 | mov ds, ax |
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300 | mov es, ax |
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301 | call check_mouse_data_ps2 |
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40 | halyavin | 302 | restore_ring3_context |
33 | mario79 | 303 | iret |
304 | |||
160 | diamond | 305 | p_irq14: |
306 | save_ring3_context |
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307 | mov ax, os_data |
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308 | mov ds, ax |
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309 | mov es, ax |
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310 | call [irq14_func] |
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311 | call ready_for_next_irq_1 |
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312 | restore_ring3_context |
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313 | iret |
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314 | p_irq15: |
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315 | save_ring3_context |
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316 | mov ax, os_data |
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317 | mov ds, ax |
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318 | mov es, ax |
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319 | call [irq15_func] |
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320 | call ready_for_next_irq_1 |
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321 | restore_ring3_context |
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322 | iret |
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323 | |||
33 | mario79 | 324 | ready_for_next_irq: |
325 | mov [check_idle_semaphore],5 |
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326 | mov al, 0x20 |
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327 | out 0x20, al |
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328 | ret |
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329 | |||
330 | ready_for_next_irq_1: |
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331 | mov [check_idle_semaphore],5 |
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332 | mov al, 0x20 |
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333 | out 0xa0,al |
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334 | out 0x20, al |
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335 | ret |
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336 | |||
6 | poddubny | 337 | irqD: |
40 | halyavin | 338 | save_ring3_context |
8 | poddubny | 339 | mov ax, os_data |
340 | mov ds, ax |
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341 | mov es, ax |
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164 | serge | 342 | |
6 | poddubny | 343 | mov dx,0xf0 |
344 | mov al,0 |
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345 | out dx,al |
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1 | ha | 346 | |
6 | poddubny | 347 | mov dx,0xa0 |
348 | mov al,0x20 |
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349 | out dx,al |
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350 | mov dx,0x20 |
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40 | halyavin | 351 | out dx,al |
352 | |||
353 | restore_ring3_context |
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164 | serge | 354 | |
8 | poddubny | 355 | iret |
1 | ha | 356 | |
357 | |||
358 | irqhandler: |
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359 | |||
360 | push edi |
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361 | |||
362 | mov esi,edi ; 1 |
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363 | shl esi,6 ; 1 |
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364 | add esi,irq00read ; 1 |
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365 | shl edi,12 ; 1 |
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366 | add edi,0x2E0000 |
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75 | diamond | 367 | mov ecx,16 |
1 | ha | 368 | |
369 | mov [check_idle_semaphore],5 |
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370 | |||
371 | irqnewread: |
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75 | diamond | 372 | dec ecx |
373 | js irqover |
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1 | ha | 374 | |
375 | mov dx,[esi] ; 2+ |
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376 | |||
377 | cmp dx,0 ; 1 |
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378 | jz irqover |
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379 | cmp [esi+3],byte 1 ; 2 ; byte read |
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380 | jne noirqbyte ; 4-11 |
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381 | |||
382 | in al,dx |
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383 | |||
384 | mov edx,[edi] |
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385 | cmp edx,4000 |
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386 | je irqfull |
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387 | mov ebx,edi |
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388 | add ebx,0x10 |
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389 | add ebx,edx |
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390 | mov [ebx],al |
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391 | inc edx |
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392 | mov [edi],edx |
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393 | |||
394 | add esi,4 |
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395 | jmp irqnewread |
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396 | |||
397 | noirqbyte: |
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398 | |||
399 | |||
400 | cmp [esi+3],byte 2 ; word read |
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401 | jne noirqword |
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402 | |||
403 | in ax,dx |
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404 | |||
405 | mov edx,[edi] |
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406 | cmp edx,4000 |
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407 | je irqfull |
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408 | mov ebx,edi |
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409 | add ebx,0x10 |
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410 | add ebx,edx |
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411 | mov [ebx],ax |
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412 | add edx,2 |
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413 | mov [edi],edx |
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414 | add esi,4 |
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415 | jmp irqnewread |
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416 | |||
417 | noirqword: |
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418 | irqfull: |
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419 | irqover: |
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420 | |||
421 | mov al,0x20 ; ready for next irq |
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422 | out 0x20,al |
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423 | |||
424 | pop ebx |
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425 | cmp ebx,7 |
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426 | jbe noa0 |
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427 | out 0xa0,al |
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428 | noa0: |
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429 | |||
430 | ret |
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431 | |||
432 | |||
433 | |||
434 | set_application_table_status: |
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435 | push eax |
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436 | |||
437 | mov eax,[0x3000] |
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438 | shl eax, 5 |
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115 | poddubny | 439 | add eax,0x3000+TASKDATA.pid |
1 | ha | 440 | mov eax,[eax] |
441 | |||
442 | mov [application_table_status],eax |
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443 | |||
444 | pop eax |
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445 | |||
446 | ret |
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447 | |||
448 | |||
449 | clear_application_table_status: |
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450 | push eax |
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451 | |||
452 | mov eax,[0x3000] |
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453 | shl eax, 5 |
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115 | poddubny | 454 | add eax,0x3000+TASKDATA.pid |
1 | ha | 455 | mov eax,[eax] |
456 | |||
457 | cmp eax,[application_table_status] |
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458 | jne apptsl1 |
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459 | mov [application_table_status],0 |
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460 | apptsl1: |
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461 | |||
462 | pop eax |
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463 | |||
464 | ret |
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465 | |||
466 | |||
467 | |||
468 | sys_resize_app_memory: |
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469 | ; eax = 1 - resize |
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470 | ; ebx = new amount of memory |
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471 | |||
472 | cmp eax,1 |
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4 | poddubny | 473 | jne .no_application_mem_resize |
1 | ha | 474 | |
164 | serge | 475 | stdcall new_mem_resize, ebx |
476 | mov [esp+36], eax |
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477 | ret |
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1 | ha | 478 | |
164 | serge | 479 | .no_application_mem_resize: |
1 | ha | 480 | ret |
481 | |||
237 | serge | 482 | if 0 |
1 | ha | 483 | get_app_params: |
484 | |||
485 | push eax |
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486 | |||
487 | cmp [0x90000+6],word '00' |
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488 | jne no_00_header |
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489 | |||
490 | mov eax,[0x90000+12] |
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491 | mov [app_start],eax |
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492 | mov eax,[0x90000+16] |
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493 | mov [app_i_end],eax |
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494 | mov eax,[0x90000+20] |
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495 | mov [app_mem],eax |
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133 | diamond | 496 | ; \begin{diamond}[20.08.2006] |
497 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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498 | ; fit in allocated memory to prevent kernel faults) |
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499 | cmp eax,[app_i_end] |
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500 | jb no_01_header |
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501 | ; \end{diamond}[20.08.2006] |
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1 | ha | 502 | shr eax,1 |
503 | sub eax,0x10 |
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504 | mov [app_esp],eax |
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505 | mov eax,[0x90000+24] |
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506 | mov [app_i_param],eax |
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507 | mov [app_i_icon],dword 0 |
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508 | |||
509 | pop eax |
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133 | diamond | 510 | clc |
1 | ha | 511 | ret |
512 | |||
513 | no_00_header: |
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514 | |||
515 | |||
516 | cmp [0x90000+6],word '01' |
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517 | jne no_01_header |
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518 | |||
519 | mov eax,[0x90000+12] |
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520 | mov [app_start],eax |
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521 | mov eax,[0x90000+16] |
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522 | mov [app_i_end],eax |
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523 | mov eax,[0x90000+20] |
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524 | mov [app_mem],eax |
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133 | diamond | 525 | ; \begin{diamond}[20.08.2006] |
526 | cmp eax,[app_i_end] |
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527 | jb no_01_header |
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528 | ; \end{diamond}[20.08.2006] |
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1 | ha | 529 | mov eax,[0x90000+24] |
530 | mov [app_esp],eax |
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531 | mov eax,[0x90000+28] |
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532 | mov [app_i_param],eax |
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533 | mov eax,[0x90000+32] |
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534 | mov [app_i_icon],eax |
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535 | |||
536 | pop eax |
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133 | diamond | 537 | clc |
1 | ha | 538 | ret |
539 | |||
540 | no_01_header: |
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541 | |||
542 | pop eax |
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133 | diamond | 543 | stc |
1 | ha | 544 | ret |
545 | |||
237 | serge | 546 | end if |
1 | ha | 547 | |
237 | serge | 548 | |
549 | ;uglobal |
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550 | ; new_process_place dd 0x0 |
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551 | ; app_start dd 0x0 |
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552 | ; app_i_end dd 0x0 |
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553 | ; app_mem dd 0x0 |
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554 | ; app_esp dd 0x0 |
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555 | ; app_i_param dd 0x0 |
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556 | ; app_i_icon dd 0x0 |
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164 | serge | 557 | ; app_mem_pos dd 0x0 |
237 | serge | 558 | ;endg |
1 | ha | 559 | |
560 | sys_threads: |
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561 | |||
562 | ; eax=1 create thread |
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563 | ; |
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564 | ; ebx=thread start |
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565 | ; ecx=thread stack value |
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566 | ; |
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567 | ; on return : eax = pid |
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568 | jmp new_sys_threads |
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569 | |||
570 | iglobal |
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571 | process_terminating db 'K : Process - terminating',13,10,0 |
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572 | process_terminated db 'K : Process - done',13,10,0 |
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573 | endg |
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574 | |||
575 | |||
576 | terminate: ; terminate application |
||
577 | push esi |
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578 | mov esi,process_terminating |
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579 | call sys_msg_board_str |
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580 | pop esi |
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581 | |||
40 | halyavin | 582 | @@: |
1 | ha | 583 | cli |
584 | cmp [application_table_status],0 |
||
585 | je term9 |
||
586 | sti |
||
587 | call change_task |
||
40 | halyavin | 588 | jmp @b |
1 | ha | 589 | term9: |
590 | |||
591 | call set_application_table_status |
||
164 | serge | 592 | |
1 | ha | 593 | mov eax,esi |
594 | |||
164 | serge | 595 | pushad |
596 | shl eax,8 |
||
597 | mov eax,[PROC_BASE+eax+0xB8] |
||
598 | stdcall destroy_app_space, eax |
||
599 | popad |
||
600 | |||
601 | cmp [fpu_owner],esi ; if user fpu last -> fpu user = 1 |
||
1 | ha | 602 | jne fpu_ok_1 |
603 | |||
203 | serge | 604 | mov [fpu_owner],1 |
605 | mov eax, [256+PROC_BASE+0x10] |
||
221 | serge | 606 | bt [cpu_caps], CAPS_SSE |
203 | serge | 607 | jnc .no_SSE |
608 | fxrstor [eax] |
||
609 | jmp fpu_ok_1 |
||
610 | .no_SSE: |
||
611 | fnclex |
||
612 | frstor [eax] |
||
613 | fpu_ok_1: |
||
614 | |||
1 | ha | 615 | mov [0xf400],byte 0 ; empty keyboard buffer |
616 | mov [0xf500],byte 0 ; empty button buffer |
||
617 | |||
618 | |||
92 | diamond | 619 | ; remove defined hotkeys |
620 | mov eax, hotkey_list |
||
621 | .loop: |
||
622 | cmp [eax+8], esi |
||
623 | jnz .cont |
||
624 | mov ecx, [eax] |
||
625 | jecxz @f |
||
626 | push dword [eax+12] |
||
627 | pop dword [ecx+12] |
||
628 | @@: |
||
629 | mov ecx, [eax+12] |
||
630 | push dword [eax] |
||
631 | pop dword [ecx] |
||
632 | xor ecx, ecx |
||
633 | mov [eax], ecx |
||
634 | mov [eax+4], ecx |
||
635 | mov [eax+8], ecx |
||
636 | mov [eax+12], ecx |
||
637 | .cont: |
||
638 | add eax, 16 |
||
639 | cmp eax, hotkey_list+256*16 |
||
640 | jb .loop |
||
641 | ; remove hotkeys in buffer |
||
642 | mov eax, hotkey_buffer |
||
643 | .loop2: |
||
644 | cmp [eax], esi |
||
645 | jnz .cont2 |
||
646 | and dword [eax+4], 0 |
||
647 | and dword [eax], 0 |
||
648 | .cont2: |
||
649 | add eax, 8 |
||
650 | cmp eax, hotkey_buffer+120*8 |
||
651 | jb .loop2 |
||
652 | |||
1 | ha | 653 | mov ecx,esi ; remove buttons |
654 | bnewba2: |
||
655 | mov edi,[0xfe88] |
||
656 | mov eax,edi |
||
657 | cld |
||
658 | movzx ebx,word [edi] |
||
659 | inc bx |
||
660 | bnewba: |
||
661 | dec bx |
||
662 | jz bnmba |
||
663 | add eax,0x10 |
||
664 | cmp cx,[eax] |
||
665 | jnz bnewba |
||
666 | pusha |
||
667 | mov ecx,ebx |
||
668 | inc ecx |
||
669 | shl ecx,4 |
||
670 | mov ebx,eax |
||
671 | add eax,0x10 |
||
672 | call memmove |
||
673 | dec dword [edi] |
||
674 | popa |
||
675 | jmp bnewba2 |
||
676 | bnmba: |
||
677 | |||
678 | pusha ; save window coordinates for window restoring |
||
679 | cld |
||
680 | shl esi,5 |
||
681 | add esi,window_data |
||
114 | mikedld | 682 | mov eax,[esi+WDATA.box.left] |
102 | poddubny | 683 | mov [dlx],eax |
114 | mikedld | 684 | add eax,[esi+WDATA.box.width] |
102 | poddubny | 685 | mov [dlxe],eax |
114 | mikedld | 686 | mov eax,[esi+WDATA.box.top] |
102 | poddubny | 687 | mov [dly],eax |
114 | mikedld | 688 | add eax,[esi+WDATA.box.height] |
102 | poddubny | 689 | mov [dlye],eax |
1 | ha | 690 | |
142 | diamond | 691 | xor eax, eax |
692 | mov [esi+WDATA.box.left],eax |
||
693 | mov [esi+WDATA.box.width],eax |
||
114 | mikedld | 694 | mov [esi+WDATA.box.top],eax |
142 | diamond | 695 | mov [esi+WDATA.box.height],eax |
115 | poddubny | 696 | mov [esi+WDATA.cl_workarea],eax |
697 | mov [esi+WDATA.cl_titlebar],eax |
||
698 | mov [esi+WDATA.cl_frames],eax |
||
699 | mov dword [esi+WDATA.reserved],eax ; clear all flags: wstate, redraw, wdrawn |
||
102 | poddubny | 700 | lea edi, [esi-window_data+draw_data] |
1 | ha | 701 | mov ecx,32/4 |
702 | rep stosd |
||
703 | popa |
||
704 | |||
40 | halyavin | 705 | ; debuggee test |
706 | pushad |
||
707 | mov edi, esi |
||
708 | shl edi, 5 |
||
115 | poddubny | 709 | mov eax, [0x80000+edi*8+APPDATA.debugger_slot] |
40 | halyavin | 710 | test eax, eax |
711 | jz .nodebug |
||
712 | push 8 |
||
713 | pop ecx |
||
115 | poddubny | 714 | push dword [0x3000+edi+TASKDATA.pid] ; PID |
40 | halyavin | 715 | push 2 |
716 | call debugger_notify |
||
717 | pop ecx |
||
718 | pop ecx |
||
719 | .nodebug: |
||
720 | popad |
||
721 | |||
1 | ha | 722 | pusha ; at 0x80000+ |
723 | mov edi,esi |
||
724 | shl edi,8 |
||
725 | add edi,0x80000 |
||
726 | mov ecx,256/4 |
||
727 | xor eax, eax |
||
728 | rep stosd |
||
729 | popa |
||
730 | |||
731 | pusha ; name to spaces |
||
732 | mov edi,esi |
||
733 | shl edi,8 |
||
115 | poddubny | 734 | add edi,0x80000+APPDATA.app_name |
1 | ha | 735 | mov ecx,11 |
736 | mov eax,' ' |
||
737 | rep stosb |
||
738 | popa |
||
739 | |||
740 | |||
102 | poddubny | 741 | ; activate window |
742 | movzx eax, word [0xC000 + esi*2] |
||
743 | cmp eax, [0x3004] |
||
744 | jne .dont_activate |
||
745 | pushad |
||
746 | .check_next_window: |
||
747 | dec eax |
||
748 | cmp eax, 1 |
||
749 | jbe .nothing_to_activate |
||
750 | lea esi, [0xc400+eax*2] |
||
751 | movzx edi, word [esi] ; edi = process |
||
752 | shl edi, 5 |
||
115 | poddubny | 753 | cmp [0x3000 + edi + TASKDATA.state], byte 9 ; skip dead slots |
102 | poddubny | 754 | je .check_next_window |
755 | add edi, window_data |
||
154 | diamond | 756 | ; \begin{diamond}[19.09.2006] |
757 | ; skip minimized windows |
||
164 | serge | 758 | test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED |
759 | jnz .check_next_window |
||
154 | diamond | 760 | ; \end{diamond} |
102 | poddubny | 761 | call waredraw |
762 | .nothing_to_activate: |
||
763 | popad |
||
764 | .dont_activate: |
||
765 | |||
92 | diamond | 766 | push esi ; remove hd1 & cd & flp reservation |
767 | shl esi, 5 |
||
118 | diamond | 768 | mov esi, [esi+0x3000+TASKDATA.pid] |
92 | diamond | 769 | cmp [hd1_status], esi |
770 | jnz @f |
||
321 | diamond | 771 | call free_hd_channel |
92 | diamond | 772 | mov [hd1_status], 0 |
773 | @@: |
||
774 | cmp [cd_status], esi |
||
775 | jnz @f |
||
321 | diamond | 776 | call free_cd_channel |
92 | diamond | 777 | mov [cd_status], 0 |
778 | @@: |
||
779 | cmp [flp_status], esi |
||
780 | jnz @f |
||
781 | mov [flp_status], 0 |
||
782 | @@: |
||
783 | pop esi |
||
1 | ha | 784 | |
785 | pusha ; remove all irq reservations |
||
92 | diamond | 786 | mov eax,esi |
115 | poddubny | 787 | shl eax, 5 |
118 | diamond | 788 | mov eax,[eax+0x3000+TASKDATA.pid] |
1 | ha | 789 | mov edi,irq_owner |
790 | mov ecx,16 |
||
791 | newirqfree: |
||
92 | diamond | 792 | scasd |
1 | ha | 793 | jne nofreeirq |
92 | diamond | 794 | mov [edi-4],dword 0 |
1 | ha | 795 | nofreeirq: |
796 | loop newirqfree |
||
797 | popa |
||
798 | |||
799 | |||
800 | pusha ; remove all port reservations |
||
801 | mov edx,esi |
||
115 | poddubny | 802 | shl edx, 5 |
1 | ha | 803 | add edx,0x3000 |
115 | poddubny | 804 | mov edx,[edx+TASKDATA.pid] |
1 | ha | 805 | |
806 | rmpr0: |
||
807 | |||
808 | mov esi,[0x2d0000] |
||
809 | |||
810 | cmp esi,0 |
||
811 | je rmpr9 |
||
812 | |||
813 | rmpr3: |
||
814 | |||
815 | mov edi,esi |
||
816 | shl edi,4 |
||
817 | add edi,0x2d0000 |
||
818 | |||
819 | cmp edx,[edi] |
||
820 | je rmpr4 |
||
821 | |||
822 | dec esi |
||
823 | jnz rmpr3 |
||
824 | |||
825 | jmp rmpr9 |
||
826 | |||
827 | rmpr4: |
||
828 | |||
829 | mov ecx,256 |
||
830 | sub ecx,esi |
||
831 | shl ecx,4 |
||
832 | |||
833 | mov esi,edi |
||
834 | add esi,16 |
||
835 | cld |
||
836 | rep movsb |
||
837 | |||
838 | dec dword [0x2d0000] |
||
839 | |||
840 | jmp rmpr0 |
||
841 | |||
842 | rmpr9: |
||
843 | |||
844 | popa |
||
845 | mov edi,esi ; do not run this process slot |
||
6 | poddubny | 846 | shl edi, 5 |
115 | poddubny | 847 | mov [edi+0x3000 + TASKDATA.state],byte 9 |
40 | halyavin | 848 | ; debugger test - terminate all debuggees |
849 | mov eax, 2 |
||
115 | poddubny | 850 | mov ecx, 0x80000+2*0x100+APPDATA.debugger_slot |
40 | halyavin | 851 | .xd0: |
852 | cmp eax, [0x3004] |
||
853 | ja .xd1 |
||
854 | cmp dword [ecx], esi |
||
855 | jnz @f |
||
856 | and dword [ecx], 0 |
||
857 | pushad |
||
858 | xchg eax, ebx |
||
859 | mov eax, 2 |
||
860 | call sys_system |
||
861 | popad |
||
862 | @@: |
||
863 | inc eax |
||
864 | add ecx, 0x100 |
||
865 | jmp .xd0 |
||
866 | .xd1: |
||
1 | ha | 867 | ; call systest |
868 | sti ; .. and life goes on |
||
869 | |||
112 | poddubny | 870 | mov eax, [dlx] |
871 | mov ebx, [dly] |
||
872 | mov ecx, [dlxe] |
||
873 | mov edx, [dlye] |
||
1 | ha | 874 | call calculatescreen |
875 | xor eax, eax |
||
876 | xor esi, esi |
||
877 | call redrawscreen |
||
878 | |||
879 | mov [0xfff4],byte 0 ; no mouse background |
||
880 | mov [0xfff5],byte 0 ; draw mouse |
||
881 | |||
882 | mov [application_table_status],0 |
||
883 | mov esi,process_terminated |
||
884 | call sys_msg_board_str |
||
885 | |||
886 | ret |
||
887 | |||
888 | iglobal |
||
889 | boot_sched_1 db 'Building gdt tss pointer',0 |
||
8 | poddubny | 890 | boot_sched_2 db 'Building IDT table',0 |
1 | ha | 891 | endg |
892 | |||
893 | |||
894 | build_scheduler: |
||
895 | |||
896 | mov esi,boot_sched_1 |
||
897 | call boot_log |
||
898 | call build_process_gdt_tss_pointer |
||
899 | |||
8 | poddubny | 900 | mov esi,boot_sched_2 |
1 | ha | 901 | call boot_log |
902 | call build_interrupt_table |
||
903 | |||
904 | ret |
||
905 |