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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 | |||
8 | poddubny | 16 | uglobal |
17 | tss_sceleton: |
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18 | l.back dw 0,0 |
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19 | l.esp0 dd 0 |
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20 | l.ss0 dw 0,0 |
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21 | l.esp1 dd 0 |
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22 | l.ss1 dw 0,0 |
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23 | l.esp2 dd 0 |
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24 | l.ss2 dw 0,0 |
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25 | l.cr3 dd 0 |
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26 | l.eip dd 0 |
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27 | l.eflags dd 0 |
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28 | l.eax dd 0 |
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29 | l.ecx dd 0 |
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30 | l.edx dd 0 |
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31 | l.ebx dd 0 |
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32 | l.esp dd 0 |
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33 | l.ebp dd 0 |
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34 | l.esi dd 0 |
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35 | l.edi dd 0 |
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36 | l.es dw 0,0 |
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37 | l.cs dw 0,0 |
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38 | l.ss dw 0,0 |
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39 | l.ds dw 0,0 |
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40 | l.fs dw 0,0 |
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41 | l.gs dw 0,0 |
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42 | l.ldt dw 0,0 |
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43 | l.trap dw 0 |
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44 | l.io dw 0 |
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45 | endg |
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46 | |||
47 | |||
1 | ha | 48 | build_process_gdt_tss_pointer: |
49 | |||
50 | mov ecx,tss_data |
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51 | mov edi,0 |
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52 | setgdtl2: |
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53 | mov [edi+gdts+ tss0 +0], word tss_step |
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54 | mov [edi+gdts+ tss0 +2], cx |
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55 | mov eax,ecx |
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56 | shr eax,16 |
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57 | mov [edi+gdts+ tss0 +4], al |
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58 | mov [edi+gdts+ tss0 +7], ah |
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59 | mov [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b |
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60 | add ecx,tss_step |
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61 | add edi,8 |
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62 | cmp edi,8*(max_processes+5) |
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63 | jbe setgdtl2 |
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64 | |||
65 | ret |
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66 | |||
67 | |||
68 | build_interrupt_table: |
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69 | |||
6 | poddubny | 70 | mov edi, idts+8 |
71 | mov esi, sys_int |
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8 | poddubny | 72 | mov ecx, 0x40 |
6 | poddubny | 73 | @@: |
74 | mov eax, [esi] |
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75 | mov [edi], ax ; lower part of offset |
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76 | mov [edi+2], word os_code ; segment selector |
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77 | shr eax, 16 |
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78 | mov [edi+4], word 10001110b shl 8 ; interrupt descriptor |
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79 | mov [edi+6], ax |
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80 | add esi, 4 |
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81 | add edi, 8 |
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82 | dec ecx |
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83 | jnz @b |
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164 | serge | 84 | |
8 | poddubny | 85 | ;mov edi,8*0x40+idts+8 |
3 | halyavin | 86 | mov [edi + 0], word (i40 and ((1 shl 16)-1)) |
87 | mov [edi + 2], word os_code |
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88 | mov [edi + 4], word 11101110b*256 |
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9 | halyavin | 89 | mov [edi + 6], word (i40 shr 16) |
1 | ha | 90 | |
91 | ret |
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92 | |||
93 | iglobal |
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94 | sys_int: |
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164 | serge | 95 | dd e0,debug_exc,e2,e3 |
96 | dd e4,e5,e6,e7 |
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97 | dd e8,e9,e10,e11 |
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98 | dd e12,e13,page_fault_handler,e15 |
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99 | |||
168 | serge | 100 | dd except_16, e17,e18, except_19 |
101 | times 12 dd unknown_interrupt |
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1 | ha | 102 | |
164 | serge | 103 | dd irq0 , irq_serv.irq_1, p_irq2 ,irq_serv.irq_3 |
104 | dd p_irq4 ,irq_serv.irq_5,p_irq6,irq_serv.irq_7 |
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105 | dd irq_serv.irq_8, irq_serv.irq_9, irq_serv.irq_10 |
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106 | dd irq_serv.irq_11,p_irq12,irqD ,p_irq14,p_irq15 |
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1 | ha | 107 | |
108 | times 16 dd unknown_interrupt |
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109 | |||
110 | dd i40 |
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111 | endg |
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112 | |||
40 | halyavin | 113 | macro save_ring3_context |
114 | { |
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58 | mario79 | 115 | push ds es |
116 | pushad |
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40 | halyavin | 117 | } |
118 | macro restore_ring3_context |
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119 | { |
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58 | mario79 | 120 | popad |
121 | pop es ds |
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40 | halyavin | 122 | } |
123 | |||
8 | poddubny | 124 | ; simply return control to interrupted process |
125 | unknown_interrupt: |
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126 | iret |
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1 | ha | 127 | |
22 | poddubny | 128 | macro exc_wo_code [num] |
8 | poddubny | 129 | { |
130 | forward |
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131 | e#num : |
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40 | halyavin | 132 | save_ring3_context |
20 | mario79 | 133 | mov bl, num |
134 | jmp exc_c |
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8 | poddubny | 135 | } |
1 | ha | 136 | |
22 | poddubny | 137 | macro exc_w_code [num] |
138 | { |
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139 | forward |
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140 | e#num : |
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141 | add esp, 4 |
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40 | halyavin | 142 | save_ring3_context |
22 | poddubny | 143 | mov bl, num |
144 | jmp exc_c |
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145 | } |
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146 | |||
168 | serge | 147 | exc_wo_code 0, 1, 2, 3, 4, 5, 6, 9, 15, 18 |
22 | poddubny | 148 | exc_w_code 8, 10, 11, 12, 13, 14, 17 |
149 | |||
8 | poddubny | 150 | exc_c: |
6 | poddubny | 151 | mov ax, os_data |
152 | mov ds, ax |
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153 | mov es, ax |
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1 | ha | 154 | |
40 | halyavin | 155 | ; test if debugging |
156 | cli |
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157 | mov eax, [0x3000] |
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158 | shl eax, 8 |
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115 | poddubny | 159 | mov eax, [0x80000+eax+APPDATA.debugger_slot] |
40 | halyavin | 160 | test eax, eax |
161 | jnz .debug |
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162 | sti |
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163 | ; not debuggee => say error and terminate |
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164 | add esp, 28h |
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164 | serge | 165 | movzx eax, bl |
8 | poddubny | 166 | mov [error_interrupt], eax |
1 | ha | 167 | call show_error_parameters |
164 | serge | 168 | |
8 | poddubny | 169 | mov edx, [0x3010] |
115 | poddubny | 170 | mov [edx + TASKDATA.state], byte 4 |
164 | serge | 171 | |
1 | ha | 172 | jmp change_task |
173 | |||
40 | halyavin | 174 | .debug: |
175 | ; we are debugged process, notify debugger and suspend ourself |
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176 | ; eax=debugger PID |
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113 | diamond | 177 | cld |
40 | halyavin | 178 | movzx ecx, bl |
179 | push ecx |
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180 | mov ecx, [0x3010] |
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115 | poddubny | 181 | push dword [ecx+TASKDATA.pid] ; PID of current process |
40 | halyavin | 182 | push 12 |
183 | pop ecx |
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58 | mario79 | 184 | push 1 ; 1=exception |
40 | halyavin | 185 | call debugger_notify |
186 | pop ecx |
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187 | pop ecx |
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188 | pop ecx |
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189 | mov edx, [0x3010] |
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115 | poddubny | 190 | mov byte [edx+TASKDATA.state], 1 ; suspended |
40 | halyavin | 191 | call change_task |
192 | restore_ring3_context |
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193 | iretd |
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1 | ha | 194 | |
195 | ;;;;;;;;;;;;;;;;;;;;;;; |
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196 | ;; FPU ERROR HANDLER ;; |
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197 | ;;;;;;;;;;;;;;;;;;;;;;; |
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198 | |||
199 | align 4 |
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8 | poddubny | 200 | e7: |
40 | halyavin | 201 | save_ring3_context |
6 | poddubny | 202 | clts |
164 | serge | 203 | mov ax, os_data |
204 | mov ds, ax |
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205 | mov es, ax |
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206 | |||
207 | mov ebx, [fpu_owner] |
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208 | cmp ebx, [CURRENT_TASK] |
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209 | je .exit |
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210 | |||
211 | shl ebx, 8 |
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212 | mov eax, [ebx+PROC_BASE+APPDATA.fpu_state] |
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213 | bt [cpu_caps], CAPS_FXSR |
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214 | jnc .no_SSE |
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215 | |||
216 | fxsave [eax] |
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217 | mov ebx, [CURRENT_TASK] |
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218 | mov [fpu_owner], ebx |
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219 | shl ebx, 8 |
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220 | cmp dword [ebx+PROC_BASE+APPDATA.fpu_init], 0 |
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221 | je .init |
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222 | mov eax, [ebx+PROC_BASE+APPDATA.fpu_state] |
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223 | fxrstor [eax] |
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40 | halyavin | 224 | restore_ring3_context |
6 | poddubny | 225 | iret |
170 | serge | 226 | |
164 | serge | 227 | .no_SSE: |
228 | fnsave [eax] |
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229 | mov ebx, [CURRENT_TASK] |
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230 | mov [fpu_owner], ebx |
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231 | shl ebx, 8 |
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232 | cmp dword [ebx+PROC_BASE+APPDATA.fpu_init], 0 |
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170 | serge | 233 | je .ready |
164 | serge | 234 | |
235 | mov eax, [ebx+PROC_BASE+APPDATA.fpu_state] |
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236 | frstor [eax] |
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237 | restore_ring3_context |
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238 | iret |
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170 | serge | 239 | .init: |
240 | fninit ;нам не нужны немаскированные исключения |
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241 | .ready: |
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242 | mov dword [ebx+PROC_BASE+APPDATA.fpu_init], 1 |
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243 | .exit: |
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244 | restore_ring3_context |
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245 | iret |
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246 | |||
6 | poddubny | 247 | iglobal |
164 | serge | 248 | fpu_owner dd 1 |
249 | endg |
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1 | ha | 250 | |
251 | |||
252 | writehex: |
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253 | pusha |
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164 | serge | 254 | |
8 | poddubny | 255 | mov edi, [write_error_to] |
256 | mov esi, 8 |
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257 | @@: |
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258 | mov ecx, eax |
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259 | and ecx, 0xf |
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1 | ha | 260 | |
8 | poddubny | 261 | mov cl,[ecx+hexletters] |
1 | ha | 262 | mov [edi],cl |
8 | poddubny | 263 | dec edi |
1 | ha | 264 | |
8 | poddubny | 265 | shr eax,4 |
1 | ha | 266 | dec esi |
8 | poddubny | 267 | jnz @b |
1 | ha | 268 | |
269 | popa |
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270 | ret |
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271 | |||
272 | iglobal |
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273 | hexletters db '0123456789ABCDEF' |
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274 | |||
275 | error_interrupt dd -1 |
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276 | |||
277 | process_error db 'K : Process - forced terminate INT: 00000000',13,10,0 |
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278 | process_pid db 'K : Process - forced terminate PID: 00000000',13,10,0 |
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279 | process_eip db 'K : Process - forced terminate EIP: 00000000',13,10,0 |
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280 | system_error db 'K : Kernel error',13,10,0 |
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281 | endg |
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282 | |||
283 | uglobal |
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284 | write_error_to dd 0x0 |
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285 | endg |
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286 | |||
287 | show_error_parameters: |
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164 | serge | 288 | |
1 | ha | 289 | mov [write_error_to],process_pid+43 |
290 | mov eax,[0x3000] |
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291 | shl eax, 5 |
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115 | poddubny | 292 | mov eax,[0x3000+TASKDATA.pid+eax] |
1 | ha | 293 | call writehex |
164 | serge | 294 | |
1 | ha | 295 | mov [write_error_to],process_error+43 |
296 | mov eax,[error_interrupt] |
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297 | call writehex |
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16 | poddubny | 298 | |
299 | cmp dword [esp+4+4], os_code ; CS |
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300 | jnz @f |
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10 | poddubny | 301 | mov esi,system_error |
302 | call sys_msg_board_str |
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303 | @@: |
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16 | poddubny | 304 | mov eax, [esp+4] ; EIP |
10 | poddubny | 305 | |
1 | ha | 306 | mov [write_error_to],process_eip+43 |
307 | call writehex |
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308 | |||
309 | mov esi,process_error |
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310 | call sys_msg_board_str |
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311 | |||
312 | mov esi,process_pid |
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313 | call sys_msg_board_str |
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314 | |||
315 | mov esi,process_eip |
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316 | call sys_msg_board_str |
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317 | |||
318 | ret |
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319 | |||
320 | |||
321 | |||
6 | poddubny | 322 | ; irq1 -> hid/keyboard.inc |
1 | ha | 323 | |
324 | |||
10 | poddubny | 325 | macro irqh [num] |
8 | poddubny | 326 | { |
327 | forward |
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328 | p_irq#num : |
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40 | halyavin | 329 | save_ring3_context |
8 | poddubny | 330 | mov edi, num |
331 | jmp irq_c |
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332 | } |
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1 | ha | 333 | |
160 | diamond | 334 | irqh 2,5,7,8,9,10,11 |
1 | ha | 335 | |
8 | poddubny | 336 | irq_c: |
337 | mov ax, os_data |
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338 | mov ds, ax |
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339 | mov es, ax |
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1 | ha | 340 | call irqhandler |
40 | halyavin | 341 | restore_ring3_context |
8 | poddubny | 342 | iret |
11 | poddubny | 343 | |
344 | p_irq6: |
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40 | halyavin | 345 | save_ring3_context |
11 | poddubny | 346 | mov ax, os_data |
347 | mov ds, ax |
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348 | mov es, ax |
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349 | call fdc_irq |
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33 | mario79 | 350 | call ready_for_next_irq |
40 | halyavin | 351 | restore_ring3_context |
33 | mario79 | 352 | iret |
15 | poddubny | 353 | |
33 | mario79 | 354 | p_irq3: |
40 | halyavin | 355 | save_ring3_context |
33 | mario79 | 356 | mov ax, os_data |
357 | mov ds, ax |
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358 | mov es, ax |
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58 | mario79 | 359 | cmp [com2_mouse_detected],0 |
360 | je old_irq3_handler |
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33 | mario79 | 361 | call check_mouse_data_com2 |
58 | mario79 | 362 | jmp p_irq3_1 |
363 | old_irq3_handler: |
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364 | mov edi,3 |
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365 | call irqhandler |
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164 | serge | 366 | p_irq3_1: |
40 | halyavin | 367 | restore_ring3_context |
33 | mario79 | 368 | iret |
15 | poddubny | 369 | |
33 | mario79 | 370 | p_irq4: |
40 | halyavin | 371 | save_ring3_context |
33 | mario79 | 372 | mov ax, os_data |
373 | mov ds, ax |
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374 | mov es, ax |
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58 | mario79 | 375 | cmp [com1_mouse_detected],0 |
376 | je old_irq4_handler |
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33 | mario79 | 377 | call check_mouse_data_com1 |
58 | mario79 | 378 | jmp p_irq4_1 |
379 | old_irq4_handler: |
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380 | mov edi,4 |
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381 | call irqhandler |
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164 | serge | 382 | p_irq4_1: |
40 | halyavin | 383 | restore_ring3_context |
11 | poddubny | 384 | iret |
385 | |||
33 | mario79 | 386 | p_irq12: |
40 | halyavin | 387 | save_ring3_context |
33 | mario79 | 388 | mov ax, os_data |
389 | mov ds, ax |
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390 | mov es, ax |
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391 | call check_mouse_data_ps2 |
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40 | halyavin | 392 | restore_ring3_context |
33 | mario79 | 393 | iret |
394 | |||
160 | diamond | 395 | p_irq14: |
396 | save_ring3_context |
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397 | mov ax, os_data |
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398 | mov ds, ax |
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399 | mov es, ax |
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400 | call [irq14_func] |
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401 | call ready_for_next_irq_1 |
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402 | restore_ring3_context |
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403 | iret |
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404 | p_irq15: |
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405 | save_ring3_context |
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406 | mov ax, os_data |
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407 | mov ds, ax |
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408 | mov es, ax |
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409 | call [irq15_func] |
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410 | call ready_for_next_irq_1 |
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411 | restore_ring3_context |
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412 | iret |
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413 | |||
33 | mario79 | 414 | ready_for_next_irq: |
415 | mov [check_idle_semaphore],5 |
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416 | mov al, 0x20 |
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417 | out 0x20, al |
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418 | ret |
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419 | |||
420 | ready_for_next_irq_1: |
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421 | mov [check_idle_semaphore],5 |
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422 | mov al, 0x20 |
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423 | out 0xa0,al |
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424 | out 0x20, al |
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425 | ret |
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426 | |||
6 | poddubny | 427 | irqD: |
40 | halyavin | 428 | save_ring3_context |
8 | poddubny | 429 | mov ax, os_data |
430 | mov ds, ax |
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431 | mov es, ax |
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164 | serge | 432 | |
6 | poddubny | 433 | mov dx,0xf0 |
434 | mov al,0 |
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435 | out dx,al |
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1 | ha | 436 | |
6 | poddubny | 437 | mov dx,0xa0 |
438 | mov al,0x20 |
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439 | out dx,al |
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440 | mov dx,0x20 |
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40 | halyavin | 441 | out dx,al |
442 | |||
443 | restore_ring3_context |
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164 | serge | 444 | |
8 | poddubny | 445 | iret |
1 | ha | 446 | |
447 | |||
448 | irqhandler: |
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449 | |||
450 | push edi |
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451 | |||
452 | mov esi,edi ; 1 |
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453 | shl esi,6 ; 1 |
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454 | add esi,irq00read ; 1 |
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455 | shl edi,12 ; 1 |
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456 | add edi,0x2E0000 |
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75 | diamond | 457 | mov ecx,16 |
1 | ha | 458 | |
459 | mov [check_idle_semaphore],5 |
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460 | |||
461 | irqnewread: |
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75 | diamond | 462 | dec ecx |
463 | js irqover |
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1 | ha | 464 | |
465 | mov dx,[esi] ; 2+ |
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466 | |||
467 | cmp dx,0 ; 1 |
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468 | jz irqover |
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469 | cmp [esi+3],byte 1 ; 2 ; byte read |
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470 | jne noirqbyte ; 4-11 |
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471 | |||
472 | in al,dx |
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473 | |||
474 | mov edx,[edi] |
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475 | cmp edx,4000 |
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476 | je irqfull |
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477 | mov ebx,edi |
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478 | add ebx,0x10 |
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479 | add ebx,edx |
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480 | mov [ebx],al |
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481 | inc edx |
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482 | mov [edi],edx |
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483 | |||
484 | add esi,4 |
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485 | jmp irqnewread |
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486 | |||
487 | noirqbyte: |
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488 | |||
489 | |||
490 | cmp [esi+3],byte 2 ; word read |
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491 | jne noirqword |
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492 | |||
493 | in ax,dx |
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494 | |||
495 | mov edx,[edi] |
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496 | cmp edx,4000 |
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497 | je irqfull |
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498 | mov ebx,edi |
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499 | add ebx,0x10 |
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500 | add ebx,edx |
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501 | mov [ebx],ax |
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502 | add edx,2 |
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503 | mov [edi],edx |
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504 | add esi,4 |
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505 | jmp irqnewread |
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506 | |||
507 | noirqword: |
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508 | irqfull: |
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509 | irqover: |
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510 | |||
511 | mov al,0x20 ; ready for next irq |
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512 | out 0x20,al |
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513 | |||
514 | pop ebx |
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515 | cmp ebx,7 |
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516 | jbe noa0 |
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517 | out 0xa0,al |
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518 | noa0: |
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519 | |||
520 | ret |
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521 | |||
522 | |||
523 | |||
524 | set_application_table_status: |
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525 | push eax |
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526 | |||
527 | mov eax,[0x3000] |
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528 | shl eax, 5 |
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115 | poddubny | 529 | add eax,0x3000+TASKDATA.pid |
1 | ha | 530 | mov eax,[eax] |
531 | |||
532 | mov [application_table_status],eax |
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533 | |||
534 | pop eax |
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535 | |||
536 | ret |
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537 | |||
538 | |||
539 | clear_application_table_status: |
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540 | push eax |
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541 | |||
542 | mov eax,[0x3000] |
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543 | shl eax, 5 |
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115 | poddubny | 544 | add eax,0x3000+TASKDATA.pid |
1 | ha | 545 | mov eax,[eax] |
546 | |||
547 | cmp eax,[application_table_status] |
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548 | jne apptsl1 |
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549 | mov [application_table_status],0 |
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550 | apptsl1: |
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551 | |||
552 | pop eax |
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553 | |||
554 | ret |
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555 | |||
556 | |||
557 | |||
558 | sys_resize_app_memory: |
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559 | ; eax = 1 - resize |
||
560 | ; ebx = new amount of memory |
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561 | |||
562 | cmp eax,1 |
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4 | poddubny | 563 | jne .no_application_mem_resize |
1 | ha | 564 | |
164 | serge | 565 | stdcall new_mem_resize, ebx |
566 | mov [esp+36], eax |
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567 | ret |
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1 | ha | 568 | |
164 | serge | 569 | .no_application_mem_resize: |
1 | ha | 570 | ret |
571 | |||
572 | |||
573 | |||
574 | get_app_params: |
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575 | |||
576 | push eax |
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577 | |||
578 | cmp [0x90000+6],word '00' |
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579 | jne no_00_header |
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580 | |||
581 | mov eax,[0x90000+12] |
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582 | mov [app_start],eax |
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583 | mov eax,[0x90000+16] |
||
584 | mov [app_i_end],eax |
||
585 | mov eax,[0x90000+20] |
||
586 | mov [app_mem],eax |
||
133 | diamond | 587 | ; \begin{diamond}[20.08.2006] |
588 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
||
589 | ; fit in allocated memory to prevent kernel faults) |
||
590 | cmp eax,[app_i_end] |
||
591 | jb no_01_header |
||
592 | ; \end{diamond}[20.08.2006] |
||
1 | ha | 593 | shr eax,1 |
594 | sub eax,0x10 |
||
595 | mov [app_esp],eax |
||
596 | mov eax,[0x90000+24] |
||
597 | mov [app_i_param],eax |
||
598 | mov [app_i_icon],dword 0 |
||
599 | |||
600 | pop eax |
||
133 | diamond | 601 | clc |
1 | ha | 602 | ret |
603 | |||
604 | no_00_header: |
||
605 | |||
606 | |||
607 | cmp [0x90000+6],word '01' |
||
608 | jne no_01_header |
||
609 | |||
610 | mov eax,[0x90000+12] |
||
611 | mov [app_start],eax |
||
612 | mov eax,[0x90000+16] |
||
613 | mov [app_i_end],eax |
||
614 | mov eax,[0x90000+20] |
||
615 | mov [app_mem],eax |
||
133 | diamond | 616 | ; \begin{diamond}[20.08.2006] |
617 | cmp eax,[app_i_end] |
||
618 | jb no_01_header |
||
619 | ; \end{diamond}[20.08.2006] |
||
1 | ha | 620 | mov eax,[0x90000+24] |
621 | mov [app_esp],eax |
||
622 | mov eax,[0x90000+28] |
||
623 | mov [app_i_param],eax |
||
624 | mov eax,[0x90000+32] |
||
625 | mov [app_i_icon],eax |
||
626 | |||
627 | pop eax |
||
133 | diamond | 628 | clc |
1 | ha | 629 | ret |
630 | |||
631 | no_01_header: |
||
632 | |||
633 | pop eax |
||
133 | diamond | 634 | stc |
1 | ha | 635 | ret |
636 | |||
637 | |||
638 | uglobal |
||
639 | new_process_place dd 0x0 |
||
640 | app_start dd 0x0 |
||
641 | app_i_end dd 0x0 |
||
642 | app_mem dd 0x0 |
||
643 | app_esp dd 0x0 |
||
644 | app_i_param dd 0x0 |
||
645 | app_i_icon dd 0x0 |
||
164 | serge | 646 | ; app_mem_pos dd 0x0 |
5 | halyavin | 647 | appl_path dd 0x0 |
164 | serge | 648 | appl_path_size dd 0x0 |
1 | ha | 649 | endg |
650 | |||
651 | |||
652 | sys_threads: |
||
653 | |||
654 | ; eax=1 create thread |
||
655 | ; |
||
656 | ; ebx=thread start |
||
657 | ; ecx=thread stack value |
||
658 | ; |
||
659 | ; on return : eax = pid |
||
660 | jmp new_sys_threads |
||
661 | |||
662 | iglobal |
||
663 | process_terminating db 'K : Process - terminating',13,10,0 |
||
664 | process_terminated db 'K : Process - done',13,10,0 |
||
665 | endg |
||
666 | |||
667 | |||
668 | terminate: ; terminate application |
||
669 | push esi |
||
670 | mov esi,process_terminating |
||
671 | call sys_msg_board_str |
||
672 | pop esi |
||
673 | |||
40 | halyavin | 674 | @@: |
1 | ha | 675 | cli |
676 | cmp [application_table_status],0 |
||
677 | je term9 |
||
678 | sti |
||
679 | call change_task |
||
40 | halyavin | 680 | jmp @b |
1 | ha | 681 | term9: |
682 | |||
683 | call set_application_table_status |
||
164 | serge | 684 | |
1 | ha | 685 | mov eax,esi |
686 | |||
164 | serge | 687 | pushad |
688 | shl eax,8 |
||
689 | mov eax,[PROC_BASE+eax+0xB8] |
||
690 | stdcall destroy_app_space, eax |
||
691 | popad |
||
692 | |||
693 | cmp [fpu_owner],esi ; if user fpu last -> fpu user = 1 |
||
1 | ha | 694 | jne fpu_ok_1 |
695 | |||
203 | serge | 696 | mov [fpu_owner],1 |
697 | mov eax, [256+PROC_BASE+0x10] |
||
698 | bt [cpu_caps], CAPS_FXSR |
||
699 | jnc .no_SSE |
||
700 | fxrstor [eax] |
||
701 | jmp fpu_ok_1 |
||
702 | .no_SSE: |
||
703 | fnclex |
||
704 | frstor [eax] |
||
705 | fpu_ok_1: |
||
706 | |||
1 | ha | 707 | mov [0xf400],byte 0 ; empty keyboard buffer |
708 | mov [0xf500],byte 0 ; empty button buffer |
||
709 | |||
710 | |||
92 | diamond | 711 | ; remove defined hotkeys |
712 | mov eax, hotkey_list |
||
713 | .loop: |
||
714 | cmp [eax+8], esi |
||
715 | jnz .cont |
||
716 | mov ecx, [eax] |
||
717 | jecxz @f |
||
718 | push dword [eax+12] |
||
719 | pop dword [ecx+12] |
||
720 | @@: |
||
721 | mov ecx, [eax+12] |
||
722 | push dword [eax] |
||
723 | pop dword [ecx] |
||
724 | xor ecx, ecx |
||
725 | mov [eax], ecx |
||
726 | mov [eax+4], ecx |
||
727 | mov [eax+8], ecx |
||
728 | mov [eax+12], ecx |
||
729 | .cont: |
||
730 | add eax, 16 |
||
731 | cmp eax, hotkey_list+256*16 |
||
732 | jb .loop |
||
733 | ; remove hotkeys in buffer |
||
734 | mov eax, hotkey_buffer |
||
735 | .loop2: |
||
736 | cmp [eax], esi |
||
737 | jnz .cont2 |
||
738 | and dword [eax+4], 0 |
||
739 | and dword [eax], 0 |
||
740 | .cont2: |
||
741 | add eax, 8 |
||
742 | cmp eax, hotkey_buffer+120*8 |
||
743 | jb .loop2 |
||
744 | |||
1 | ha | 745 | mov ecx,esi ; remove buttons |
746 | bnewba2: |
||
747 | mov edi,[0xfe88] |
||
748 | mov eax,edi |
||
749 | cld |
||
750 | movzx ebx,word [edi] |
||
751 | inc bx |
||
752 | bnewba: |
||
753 | dec bx |
||
754 | jz bnmba |
||
755 | add eax,0x10 |
||
756 | cmp cx,[eax] |
||
757 | jnz bnewba |
||
758 | pusha |
||
759 | mov ecx,ebx |
||
760 | inc ecx |
||
761 | shl ecx,4 |
||
762 | mov ebx,eax |
||
763 | add eax,0x10 |
||
764 | call memmove |
||
765 | dec dword [edi] |
||
766 | popa |
||
767 | jmp bnewba2 |
||
768 | bnmba: |
||
769 | |||
770 | pusha ; save window coordinates for window restoring |
||
771 | cld |
||
772 | shl esi,5 |
||
773 | add esi,window_data |
||
114 | mikedld | 774 | mov eax,[esi+WDATA.box.left] |
102 | poddubny | 775 | mov [dlx],eax |
114 | mikedld | 776 | add eax,[esi+WDATA.box.width] |
102 | poddubny | 777 | mov [dlxe],eax |
114 | mikedld | 778 | mov eax,[esi+WDATA.box.top] |
102 | poddubny | 779 | mov [dly],eax |
114 | mikedld | 780 | add eax,[esi+WDATA.box.height] |
102 | poddubny | 781 | mov [dlye],eax |
1 | ha | 782 | |
142 | diamond | 783 | xor eax, eax |
784 | mov [esi+WDATA.box.left],eax |
||
785 | mov [esi+WDATA.box.width],eax |
||
114 | mikedld | 786 | mov [esi+WDATA.box.top],eax |
142 | diamond | 787 | mov [esi+WDATA.box.height],eax |
115 | poddubny | 788 | mov [esi+WDATA.cl_workarea],eax |
789 | mov [esi+WDATA.cl_titlebar],eax |
||
790 | mov [esi+WDATA.cl_frames],eax |
||
791 | mov dword [esi+WDATA.reserved],eax ; clear all flags: wstate, redraw, wdrawn |
||
102 | poddubny | 792 | lea edi, [esi-window_data+draw_data] |
1 | ha | 793 | mov ecx,32/4 |
794 | rep stosd |
||
795 | popa |
||
796 | |||
40 | halyavin | 797 | ; debuggee test |
798 | pushad |
||
799 | mov edi, esi |
||
800 | shl edi, 5 |
||
115 | poddubny | 801 | mov eax, [0x80000+edi*8+APPDATA.debugger_slot] |
40 | halyavin | 802 | test eax, eax |
803 | jz .nodebug |
||
804 | push 8 |
||
805 | pop ecx |
||
115 | poddubny | 806 | push dword [0x3000+edi+TASKDATA.pid] ; PID |
40 | halyavin | 807 | push 2 |
808 | call debugger_notify |
||
809 | pop ecx |
||
810 | pop ecx |
||
811 | .nodebug: |
||
812 | popad |
||
813 | |||
1 | ha | 814 | pusha ; at 0x80000+ |
815 | mov edi,esi |
||
816 | shl edi,8 |
||
817 | add edi,0x80000 |
||
818 | mov ecx,256/4 |
||
819 | xor eax, eax |
||
820 | rep stosd |
||
821 | popa |
||
822 | |||
823 | pusha ; name to spaces |
||
824 | mov edi,esi |
||
825 | shl edi,8 |
||
115 | poddubny | 826 | add edi,0x80000+APPDATA.app_name |
1 | ha | 827 | mov ecx,11 |
828 | mov eax,' ' |
||
829 | rep stosb |
||
830 | popa |
||
831 | |||
832 | |||
102 | poddubny | 833 | ; activate window |
834 | movzx eax, word [0xC000 + esi*2] |
||
835 | cmp eax, [0x3004] |
||
836 | jne .dont_activate |
||
837 | pushad |
||
838 | .check_next_window: |
||
839 | dec eax |
||
840 | cmp eax, 1 |
||
841 | jbe .nothing_to_activate |
||
842 | lea esi, [0xc400+eax*2] |
||
843 | movzx edi, word [esi] ; edi = process |
||
844 | shl edi, 5 |
||
115 | poddubny | 845 | cmp [0x3000 + edi + TASKDATA.state], byte 9 ; skip dead slots |
102 | poddubny | 846 | je .check_next_window |
847 | add edi, window_data |
||
154 | diamond | 848 | ; \begin{diamond}[19.09.2006] |
849 | ; skip minimized windows |
||
164 | serge | 850 | test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED |
851 | jnz .check_next_window |
||
154 | diamond | 852 | ; \end{diamond} |
102 | poddubny | 853 | call waredraw |
854 | .nothing_to_activate: |
||
855 | popad |
||
856 | .dont_activate: |
||
857 | |||
92 | diamond | 858 | push esi ; remove hd1 & cd & flp reservation |
859 | shl esi, 5 |
||
118 | diamond | 860 | mov esi, [esi+0x3000+TASKDATA.pid] |
92 | diamond | 861 | cmp [hd1_status], esi |
862 | jnz @f |
||
863 | mov [hd1_status], 0 |
||
864 | @@: |
||
865 | cmp [cd_status], esi |
||
866 | jnz @f |
||
867 | mov [cd_status], 0 |
||
868 | @@: |
||
869 | cmp [flp_status], esi |
||
870 | jnz @f |
||
871 | mov [flp_status], 0 |
||
872 | @@: |
||
873 | pop esi |
||
1 | ha | 874 | |
875 | pusha ; remove all irq reservations |
||
92 | diamond | 876 | mov eax,esi |
115 | poddubny | 877 | shl eax, 5 |
118 | diamond | 878 | mov eax,[eax+0x3000+TASKDATA.pid] |
1 | ha | 879 | mov edi,irq_owner |
880 | mov ecx,16 |
||
881 | newirqfree: |
||
92 | diamond | 882 | scasd |
1 | ha | 883 | jne nofreeirq |
92 | diamond | 884 | mov [edi-4],dword 0 |
1 | ha | 885 | nofreeirq: |
886 | loop newirqfree |
||
887 | popa |
||
888 | |||
889 | |||
890 | pusha ; remove all port reservations |
||
891 | mov edx,esi |
||
115 | poddubny | 892 | shl edx, 5 |
1 | ha | 893 | add edx,0x3000 |
115 | poddubny | 894 | mov edx,[edx+TASKDATA.pid] |
1 | ha | 895 | |
896 | rmpr0: |
||
897 | |||
898 | mov esi,[0x2d0000] |
||
899 | |||
900 | cmp esi,0 |
||
901 | je rmpr9 |
||
902 | |||
903 | rmpr3: |
||
904 | |||
905 | mov edi,esi |
||
906 | shl edi,4 |
||
907 | add edi,0x2d0000 |
||
908 | |||
909 | cmp edx,[edi] |
||
910 | je rmpr4 |
||
911 | |||
912 | dec esi |
||
913 | jnz rmpr3 |
||
914 | |||
915 | jmp rmpr9 |
||
916 | |||
917 | rmpr4: |
||
918 | |||
919 | mov ecx,256 |
||
920 | sub ecx,esi |
||
921 | shl ecx,4 |
||
922 | |||
923 | mov esi,edi |
||
924 | add esi,16 |
||
925 | cld |
||
926 | rep movsb |
||
927 | |||
928 | dec dword [0x2d0000] |
||
929 | |||
930 | jmp rmpr0 |
||
931 | |||
932 | rmpr9: |
||
933 | |||
934 | popa |
||
935 | mov edi,esi ; do not run this process slot |
||
6 | poddubny | 936 | shl edi, 5 |
115 | poddubny | 937 | mov [edi+0x3000 + TASKDATA.state],byte 9 |
40 | halyavin | 938 | ; debugger test - terminate all debuggees |
939 | mov eax, 2 |
||
115 | poddubny | 940 | mov ecx, 0x80000+2*0x100+APPDATA.debugger_slot |
40 | halyavin | 941 | .xd0: |
942 | cmp eax, [0x3004] |
||
943 | ja .xd1 |
||
944 | cmp dword [ecx], esi |
||
945 | jnz @f |
||
946 | and dword [ecx], 0 |
||
947 | pushad |
||
948 | xchg eax, ebx |
||
949 | mov eax, 2 |
||
950 | call sys_system |
||
951 | popad |
||
952 | @@: |
||
953 | inc eax |
||
954 | add ecx, 0x100 |
||
955 | jmp .xd0 |
||
956 | .xd1: |
||
1 | ha | 957 | ; call systest |
958 | sti ; .. and life goes on |
||
959 | |||
112 | poddubny | 960 | mov eax, [dlx] |
961 | mov ebx, [dly] |
||
962 | mov ecx, [dlxe] |
||
963 | mov edx, [dlye] |
||
1 | ha | 964 | call calculatescreen |
965 | xor eax, eax |
||
966 | xor esi, esi |
||
967 | call redrawscreen |
||
968 | |||
969 | mov [0xfff4],byte 0 ; no mouse background |
||
970 | mov [0xfff5],byte 0 ; draw mouse |
||
971 | |||
972 | mov [application_table_status],0 |
||
973 | mov esi,process_terminated |
||
974 | call sys_msg_board_str |
||
975 | |||
976 | ret |
||
977 | |||
978 | iglobal |
||
979 | boot_sched_1 db 'Building gdt tss pointer',0 |
||
8 | poddubny | 980 | boot_sched_2 db 'Building IDT table',0 |
1 | ha | 981 | endg |
982 | |||
983 | |||
984 | build_scheduler: |
||
985 | |||
986 | mov esi,boot_sched_1 |
||
987 | call boot_log |
||
988 | call build_process_gdt_tss_pointer |
||
989 | |||
8 | poddubny | 990 | mov esi,boot_sched_2 |
1 | ha | 991 | call boot_log |
992 | call build_interrupt_table |
||
993 | |||
994 | ret |
||
995 |