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Rev | Author | Line No. | Line |
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129 | mikedld | 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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13 | |||
14 | build_process_gdt_tss_pointer: |
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15 | |||
16 | mov ecx,tss_data |
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17 | mov edi,0 |
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18 | setgdtl2: |
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19 | mov [edi+gdts+ tss0 +0], word tss_step |
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20 | mov [edi+gdts+ tss0 +2], cx |
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21 | mov eax,ecx |
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22 | shr eax,16 |
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23 | mov [edi+gdts+ tss0 +4], al |
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24 | mov [edi+gdts+ tss0 +7], ah |
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25 | mov [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b |
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26 | add ecx,tss_step |
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27 | add edi,8 |
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28 | cmp edi,8*(max_processes+5) |
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29 | jbe setgdtl2 |
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30 | |||
31 | ret |
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32 | |||
33 | build_interrupt_table: |
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34 | |||
35 | mov edi, idts+8 |
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36 | mov esi, sys_int |
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37 | mov ecx, 0x40 |
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38 | @@: |
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39 | mov eax, [esi] |
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40 | mov [edi], ax ; lower part of offset |
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41 | mov [edi+2], word os_code ; segment selector |
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42 | shr eax, 16 |
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43 | mov [edi+4], word 10001110b shl 8 ; interrupt descriptor |
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44 | mov [edi+6], ax |
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45 | add esi, 4 |
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46 | add edi, 8 |
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47 | dec ecx |
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48 | jnz @b |
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384 | mikedld | 49 | |
129 | mikedld | 50 | ;mov edi,8*0x40+idts+8 |
51 | mov [edi + 0], word (i40 and ((1 shl 16)-1)) |
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52 | mov [edi + 2], word os_code |
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53 | mov [edi + 4], word 11101110b*256 |
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54 | mov [edi + 6], word (i40 shr 16) |
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55 | |||
56 | ret |
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57 | |||
58 | iglobal |
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59 | sys_int: |
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384 | mikedld | 60 | dd e0,debug_exc,e2,e3 |
61 | dd e4,e5,e6,e7 |
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62 | dd e8,e9,e10,e11 |
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63 | dd e12,e13,page_fault_handler,e15 |
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129 | mikedld | 64 | |
384 | mikedld | 65 | dd except_16, e17,e18, except_19 |
66 | times 12 dd unknown_interrupt |
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129 | mikedld | 67 | |
384 | mikedld | 68 | dd irq0 , irq_serv.irq_1, p_irq2 , p_irq3 ;irq_serv.irq_3 |
69 | dd p_irq4 ,irq_serv.irq_5,p_irq6,irq_serv.irq_7 |
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70 | dd irq_serv.irq_8, irq_serv.irq_9, irq_serv.irq_10 |
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71 | dd irq_serv.irq_11,p_irq12,irqD ,p_irq14,p_irq15 |
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72 | |||
129 | mikedld | 73 | times 16 dd unknown_interrupt |
74 | |||
75 | dd i40 |
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76 | endg |
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77 | |||
78 | macro save_ring3_context |
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79 | { |
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80 | push ds es |
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81 | pushad |
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82 | } |
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83 | macro restore_ring3_context |
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84 | { |
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85 | popad |
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86 | pop es ds |
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87 | } |
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88 | |||
89 | ; simply return control to interrupted process |
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90 | unknown_interrupt: |
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91 | iret |
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92 | |||
93 | macro exc_wo_code [num] |
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94 | { |
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95 | forward |
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96 | e#num : |
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97 | save_ring3_context |
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98 | mov bl, num |
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99 | jmp exc_c |
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100 | } |
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101 | |||
102 | macro exc_w_code [num] |
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103 | { |
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104 | forward |
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105 | e#num : |
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106 | add esp, 4 |
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107 | save_ring3_context |
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108 | mov bl, num |
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109 | jmp exc_c |
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110 | } |
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111 | |||
384 | mikedld | 112 | exc_wo_code 0, 1, 2, 3, 4, 5, 6, 9, 15, 18 |
129 | mikedld | 113 | exc_w_code 8, 10, 11, 12, 13, 14, 17 |
114 | |||
115 | exc_c: |
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116 | mov ax, os_data |
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117 | mov ds, ax |
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118 | mov es, ax |
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119 | |||
120 | ; test if debugging |
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121 | cli |
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384 | mikedld | 122 | mov eax, [CURRENT_TASK] |
129 | mikedld | 123 | shl eax, 8 |
384 | mikedld | 124 | mov eax, [SLOT_BASE+eax+APPDATA.debugger_slot] |
129 | mikedld | 125 | test eax, eax |
126 | jnz .debug |
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127 | sti |
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128 | ; not debuggee => say error and terminate |
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129 | add esp, 28h |
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384 | mikedld | 130 | movzx eax, bl |
129 | mikedld | 131 | mov [error_interrupt], eax |
132 | call show_error_parameters |
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384 | mikedld | 133 | |
134 | mov edx, [TASK_BASE] |
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129 | mikedld | 135 | mov [edx + TASKDATA.state], byte 4 |
384 | mikedld | 136 | |
129 | mikedld | 137 | jmp change_task |
138 | |||
139 | .debug: |
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140 | ; we are debugged process, notify debugger and suspend ourself |
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141 | ; eax=debugger PID |
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142 | cld |
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143 | movzx ecx, bl |
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144 | push ecx |
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384 | mikedld | 145 | mov ecx, [TASK_BASE] |
129 | mikedld | 146 | push dword [ecx+TASKDATA.pid] ; PID of current process |
147 | push 12 |
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148 | pop ecx |
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149 | push 1 ; 1=exception |
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150 | call debugger_notify |
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151 | pop ecx |
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152 | pop ecx |
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153 | pop ecx |
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384 | mikedld | 154 | mov edx, [TASK_BASE] |
129 | mikedld | 155 | mov byte [edx+TASKDATA.state], 1 ; suspended |
156 | call change_task |
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157 | restore_ring3_context |
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158 | iretd |
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159 | |||
160 | writehex: |
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161 | pusha |
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384 | mikedld | 162 | |
129 | mikedld | 163 | mov edi, [write_error_to] |
164 | mov esi, 8 |
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165 | @@: |
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166 | mov ecx, eax |
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167 | and ecx, 0xf |
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168 | |||
169 | mov cl,[ecx+hexletters] |
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170 | mov [edi],cl |
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171 | dec edi |
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172 | |||
173 | shr eax,4 |
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174 | dec esi |
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175 | jnz @b |
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176 | |||
177 | popa |
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178 | ret |
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179 | |||
180 | iglobal |
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181 | hexletters db '0123456789ABCDEF' |
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182 | |||
183 | error_interrupt dd -1 |
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184 | |||
185 | process_error db 'K : Process - forced terminate INT: 00000000',13,10,0 |
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186 | process_pid db 'K : Process - forced terminate PID: 00000000',13,10,0 |
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187 | process_eip db 'K : Process - forced terminate EIP: 00000000',13,10,0 |
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188 | system_error db 'K : Kernel error',13,10,0 |
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189 | endg |
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190 | |||
191 | uglobal |
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192 | write_error_to dd 0x0 |
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193 | endg |
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194 | |||
195 | show_error_parameters: |
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384 | mikedld | 196 | |
129 | mikedld | 197 | mov [write_error_to],process_pid+43 |
384 | mikedld | 198 | mov eax,[CURRENT_TASK] |
129 | mikedld | 199 | shl eax, 5 |
384 | mikedld | 200 | mov eax,[CURRENT_TASK+TASKDATA.pid+eax] |
129 | mikedld | 201 | call writehex |
384 | mikedld | 202 | |
129 | mikedld | 203 | mov [write_error_to],process_error+43 |
204 | mov eax,[error_interrupt] |
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205 | call writehex |
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206 | |||
207 | cmp dword [esp+4+4], os_code ; CS |
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208 | jnz @f |
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209 | mov esi,system_error |
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210 | call sys_msg_board_str |
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211 | @@: |
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212 | mov eax, [esp+4] ; EIP |
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213 | |||
214 | mov [write_error_to],process_eip+43 |
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215 | call writehex |
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216 | |||
217 | mov esi,process_error |
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218 | call sys_msg_board_str |
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219 | |||
220 | mov esi,process_pid |
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221 | call sys_msg_board_str |
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222 | |||
223 | mov esi,process_eip |
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224 | call sys_msg_board_str |
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225 | |||
226 | ret |
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227 | |||
228 | |||
229 | |||
230 | ; irq1 -> hid/keyboard.inc |
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231 | |||
232 | |||
233 | macro irqh [num] |
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234 | { |
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235 | forward |
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236 | p_irq#num : |
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237 | save_ring3_context |
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238 | mov edi, num |
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239 | jmp irq_c |
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240 | } |
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241 | |||
384 | mikedld | 242 | irqh 2,5,7,8,9,10,11 |
129 | mikedld | 243 | |
244 | irq_c: |
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245 | mov ax, os_data |
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246 | mov ds, ax |
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247 | mov es, ax |
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248 | call irqhandler |
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249 | restore_ring3_context |
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250 | iret |
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251 | |||
252 | p_irq6: |
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253 | save_ring3_context |
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254 | mov ax, os_data |
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255 | mov ds, ax |
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256 | mov es, ax |
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257 | call fdc_irq |
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258 | call ready_for_next_irq |
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259 | restore_ring3_context |
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260 | iret |
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261 | |||
262 | p_irq3: |
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263 | save_ring3_context |
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264 | mov ax, os_data |
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265 | mov ds, ax |
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266 | mov es, ax |
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267 | cmp [com2_mouse_detected],0 |
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268 | je old_irq3_handler |
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269 | call check_mouse_data_com2 |
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270 | jmp p_irq3_1 |
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271 | old_irq3_handler: |
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272 | mov edi,3 |
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273 | call irqhandler |
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384 | mikedld | 274 | p_irq3_1: |
129 | mikedld | 275 | restore_ring3_context |
276 | iret |
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277 | |||
278 | p_irq4: |
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279 | save_ring3_context |
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280 | mov ax, os_data |
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281 | mov ds, ax |
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282 | mov es, ax |
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283 | cmp [com1_mouse_detected],0 |
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284 | je old_irq4_handler |
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285 | call check_mouse_data_com1 |
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286 | jmp p_irq4_1 |
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287 | old_irq4_handler: |
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288 | mov edi,4 |
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289 | call irqhandler |
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384 | mikedld | 290 | p_irq4_1: |
129 | mikedld | 291 | restore_ring3_context |
292 | iret |
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293 | |||
294 | p_irq12: |
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295 | save_ring3_context |
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296 | mov ax, os_data |
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297 | mov ds, ax |
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298 | mov es, ax |
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299 | call check_mouse_data_ps2 |
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300 | restore_ring3_context |
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301 | iret |
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302 | |||
384 | mikedld | 303 | p_irq14: |
304 | save_ring3_context |
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305 | mov ax, os_data |
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306 | mov ds, ax |
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307 | mov es, ax |
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308 | call [irq14_func] |
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309 | call ready_for_next_irq_1 |
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310 | restore_ring3_context |
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311 | iret |
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312 | p_irq15: |
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313 | save_ring3_context |
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314 | mov ax, os_data |
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315 | mov ds, ax |
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316 | mov es, ax |
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317 | call [irq15_func] |
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318 | call ready_for_next_irq_1 |
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319 | restore_ring3_context |
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320 | iret |
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321 | |||
129 | mikedld | 322 | ready_for_next_irq: |
323 | mov [check_idle_semaphore],5 |
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324 | mov al, 0x20 |
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325 | out 0x20, al |
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326 | ret |
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327 | |||
328 | ready_for_next_irq_1: |
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329 | mov [check_idle_semaphore],5 |
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330 | mov al, 0x20 |
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331 | out 0xa0,al |
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332 | out 0x20, al |
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333 | ret |
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334 | |||
335 | irqD: |
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336 | save_ring3_context |
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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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384 | mikedld | 340 | |
129 | mikedld | 341 | mov dx,0xf0 |
342 | mov al,0 |
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343 | out dx,al |
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344 | |||
345 | mov dx,0xa0 |
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346 | mov al,0x20 |
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347 | out dx,al |
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348 | mov dx,0x20 |
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349 | out dx,al |
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350 | |||
351 | restore_ring3_context |
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384 | mikedld | 352 | |
129 | mikedld | 353 | iret |
354 | |||
355 | |||
356 | irqhandler: |
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357 | |||
358 | push edi |
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359 | |||
360 | mov esi,edi ; 1 |
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361 | shl esi,6 ; 1 |
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362 | add esi,irq00read ; 1 |
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363 | shl edi,12 ; 1 |
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384 | mikedld | 364 | add edi,IRQ_SAVE |
129 | mikedld | 365 | mov ecx,16 |
366 | |||
367 | mov [check_idle_semaphore],5 |
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368 | |||
369 | irqnewread: |
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370 | dec ecx |
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371 | js irqover |
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372 | |||
373 | mov dx,[esi] ; 2+ |
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374 | |||
375 | cmp dx,0 ; 1 |
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376 | jz irqover |
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377 | cmp [esi+3],byte 1 ; 2 ; byte read |
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378 | jne noirqbyte ; 4-11 |
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379 | |||
380 | in al,dx |
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381 | |||
382 | mov edx,[edi] |
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383 | cmp edx,4000 |
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384 | je irqfull |
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385 | mov ebx,edi |
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386 | add ebx,0x10 |
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387 | add ebx,edx |
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388 | mov [ebx],al |
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389 | inc edx |
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390 | mov [edi],edx |
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391 | |||
392 | add esi,4 |
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393 | jmp irqnewread |
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394 | |||
395 | noirqbyte: |
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396 | |||
397 | |||
398 | cmp [esi+3],byte 2 ; word read |
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399 | jne noirqword |
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400 | |||
401 | in ax,dx |
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402 | |||
403 | mov edx,[edi] |
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404 | cmp edx,4000 |
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405 | je irqfull |
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406 | mov ebx,edi |
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407 | add ebx,0x10 |
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408 | add ebx,edx |
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409 | mov [ebx],ax |
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410 | add edx,2 |
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411 | mov [edi],edx |
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412 | add esi,4 |
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413 | jmp irqnewread |
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414 | |||
415 | noirqword: |
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416 | irqfull: |
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417 | irqover: |
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418 | |||
419 | mov al,0x20 ; ready for next irq |
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420 | out 0x20,al |
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421 | |||
422 | pop ebx |
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423 | cmp ebx,7 |
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424 | jbe noa0 |
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425 | out 0xa0,al |
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426 | noa0: |
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427 | |||
428 | ret |
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429 | |||
430 | |||
431 | |||
432 | set_application_table_status: |
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433 | push eax |
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434 | |||
384 | mikedld | 435 | mov eax,[CURRENT_TASK] |
129 | mikedld | 436 | shl eax, 5 |
384 | mikedld | 437 | add eax,CURRENT_TASK+TASKDATA.pid |
129 | mikedld | 438 | mov eax,[eax] |
439 | |||
440 | mov [application_table_status],eax |
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441 | |||
442 | pop eax |
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443 | |||
444 | ret |
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445 | |||
446 | |||
447 | clear_application_table_status: |
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448 | push eax |
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449 | |||
384 | mikedld | 450 | mov eax,[CURRENT_TASK] |
129 | mikedld | 451 | shl eax, 5 |
384 | mikedld | 452 | add eax,CURRENT_TASK+TASKDATA.pid |
129 | mikedld | 453 | mov eax,[eax] |
454 | |||
455 | cmp eax,[application_table_status] |
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456 | jne apptsl1 |
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457 | mov [application_table_status],0 |
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458 | apptsl1: |
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459 | |||
460 | pop eax |
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461 | |||
462 | ret |
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463 | |||
464 | sys_resize_app_memory: |
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465 | ; eax = 1 - resize |
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466 | ; ebx = new amount of memory |
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467 | |||
468 | cmp eax,1 |
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469 | jne .no_application_mem_resize |
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470 | |||
384 | mikedld | 471 | stdcall new_mem_resize, ebx |
472 | mov [esp+36], eax |
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473 | ret |
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129 | mikedld | 474 | |
384 | mikedld | 475 | .no_application_mem_resize: |
129 | mikedld | 476 | ret |
477 | |||
478 | sys_threads: |
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479 | |||
480 | ; eax=1 create thread |
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481 | ; |
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482 | ; ebx=thread start |
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483 | ; ecx=thread stack value |
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484 | ; |
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485 | ; on return : eax = pid |
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486 | jmp new_sys_threads |
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487 | |||
488 | iglobal |
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489 | process_terminating db 'K : Process - terminating',13,10,0 |
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490 | process_terminated db 'K : Process - done',13,10,0 |
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384 | mikedld | 491 | msg_obj_destroy db 'K : destroy app object',13,10,0 |
129 | mikedld | 492 | endg |
493 | |||
384 | mikedld | 494 | ; param |
495 | ; esi= slot |
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129 | mikedld | 496 | |
497 | terminate: ; terminate application |
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498 | |||
384 | mikedld | 499 | .slot equ esp ;locals |
500 | |||
501 | push esi ;save .slot |
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502 | |||
503 | shl esi, 8 |
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504 | cmp [SLOT_BASE+esi+APPDATA.dir_table], 0 |
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505 | jne @F |
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506 | add esp, 4 |
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507 | ret |
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129 | mikedld | 508 | @@: |
384 | mikedld | 509 | mov esi,process_terminating |
510 | call sys_msg_board_str |
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511 | @@: |
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512 | cli |
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513 | cmp [application_table_status],0 |
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514 | je term9 |
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515 | sti |
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516 | call change_task |
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517 | jmp @b |
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518 | term9: |
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519 | call set_application_table_status |
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129 | mikedld | 520 | |
384 | mikedld | 521 | mov esi, [.slot] |
522 | shl esi,8 |
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523 | add esi, SLOT_BASE+APP_OBJ_OFFSET |
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524 | @@: |
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525 | mov eax, [esi+APPOBJ.fd] |
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526 | test eax, eax |
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527 | jz @F |
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129 | mikedld | 528 | |
384 | mikedld | 529 | cmp eax, esi |
530 | je @F |
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129 | mikedld | 531 | |
384 | mikedld | 532 | push esi |
533 | call [eax+APPOBJ.destroy] |
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534 | mov esi, msg_obj_destroy |
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535 | call sys_msg_board_str |
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536 | pop esi |
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537 | jmp @B |
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538 | @@: |
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539 | mov eax, [.slot] |
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540 | shl eax, 8 |
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541 | mov eax,[SLOT_BASE+eax+APPDATA.dir_table] |
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542 | stdcall destroy_app_space, eax |
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129 | mikedld | 543 | |
384 | mikedld | 544 | mov esi, [.slot] |
545 | cmp [fpu_owner],esi ; if user fpu last -> fpu user = 1 |
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546 | jne @F |
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129 | mikedld | 547 | |
384 | mikedld | 548 | mov [fpu_owner],1 |
549 | mov eax, [256+SLOT_BASE+APPDATA.fpu_state] |
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550 | clts |
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551 | bt [cpu_caps], CAPS_SSE |
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552 | jnc .no_SSE |
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553 | fxrstor [eax] |
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554 | jmp @F |
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555 | .no_SSE: |
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556 | fnclex |
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557 | frstor [eax] |
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558 | @@: |
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559 | |||
560 | mov [KEY_COUNT],byte 0 ; empty keyboard buffer |
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561 | mov [BTN_COUNT],byte 0 ; empty button buffer |
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562 | |||
563 | |||
129 | mikedld | 564 | ; remove defined hotkeys |
565 | mov eax, hotkey_list |
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566 | .loop: |
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567 | cmp [eax+8], esi |
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568 | jnz .cont |
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569 | mov ecx, [eax] |
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570 | jecxz @f |
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571 | push dword [eax+12] |
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572 | pop dword [ecx+12] |
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573 | @@: |
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574 | mov ecx, [eax+12] |
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575 | push dword [eax] |
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576 | pop dword [ecx] |
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577 | xor ecx, ecx |
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578 | mov [eax], ecx |
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579 | mov [eax+4], ecx |
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580 | mov [eax+8], ecx |
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581 | mov [eax+12], ecx |
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582 | .cont: |
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583 | add eax, 16 |
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584 | cmp eax, hotkey_list+256*16 |
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585 | jb .loop |
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586 | ; remove hotkeys in buffer |
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587 | mov eax, hotkey_buffer |
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588 | .loop2: |
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589 | cmp [eax], esi |
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590 | jnz .cont2 |
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591 | and dword [eax+4], 0 |
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592 | and dword [eax], 0 |
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593 | .cont2: |
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594 | add eax, 8 |
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595 | cmp eax, hotkey_buffer+120*8 |
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596 | jb .loop2 |
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597 | |||
598 | mov ecx,esi ; remove buttons |
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599 | bnewba2: |
||
384 | mikedld | 600 | mov edi,[BTN_ADDR] |
129 | mikedld | 601 | mov eax,edi |
602 | cld |
||
603 | movzx ebx,word [edi] |
||
604 | inc bx |
||
605 | bnewba: |
||
606 | dec bx |
||
607 | jz bnmba |
||
608 | add eax,0x10 |
||
609 | cmp cx,[eax] |
||
610 | jnz bnewba |
||
611 | pusha |
||
612 | mov ecx,ebx |
||
613 | inc ecx |
||
614 | shl ecx,4 |
||
615 | mov ebx,eax |
||
616 | add eax,0x10 |
||
617 | call memmove |
||
618 | dec dword [edi] |
||
619 | popa |
||
620 | jmp bnewba2 |
||
621 | bnmba: |
||
622 | |||
623 | pusha ; save window coordinates for window restoring |
||
624 | cld |
||
625 | shl esi,5 |
||
626 | add esi,window_data |
||
627 | mov eax,[esi+WDATA.box.left] |
||
628 | mov [dlx],eax |
||
629 | add eax,[esi+WDATA.box.width] |
||
630 | mov [dlxe],eax |
||
631 | mov eax,[esi+WDATA.box.top] |
||
632 | mov [dly],eax |
||
633 | add eax,[esi+WDATA.box.height] |
||
634 | mov [dlye],eax |
||
635 | |||
384 | mikedld | 636 | xor eax, eax |
637 | mov [esi+WDATA.box.left],eax |
||
638 | mov [esi+WDATA.box.width],eax |
||
129 | mikedld | 639 | mov [esi+WDATA.box.top],eax |
384 | mikedld | 640 | mov [esi+WDATA.box.height],eax |
129 | mikedld | 641 | mov [esi+WDATA.cl_workarea],eax |
642 | mov [esi+WDATA.cl_titlebar],eax |
||
643 | mov [esi+WDATA.cl_frames],eax |
||
644 | mov dword [esi+WDATA.reserved],eax ; clear all flags: wstate, redraw, wdrawn |
||
645 | lea edi, [esi-window_data+draw_data] |
||
646 | mov ecx,32/4 |
||
647 | rep stosd |
||
648 | popa |
||
649 | |||
650 | ; debuggee test |
||
651 | pushad |
||
652 | mov edi, esi |
||
653 | shl edi, 5 |
||
384 | mikedld | 654 | mov eax, [SLOT_BASE+edi*8+APPDATA.debugger_slot] |
129 | mikedld | 655 | test eax, eax |
656 | jz .nodebug |
||
657 | push 8 |
||
658 | pop ecx |
||
384 | mikedld | 659 | push dword [CURRENT_TASK+edi+TASKDATA.pid] ; PID |
129 | mikedld | 660 | push 2 |
661 | call debugger_notify |
||
662 | pop ecx |
||
663 | pop ecx |
||
664 | .nodebug: |
||
665 | popad |
||
666 | |||
384 | mikedld | 667 | mov ebx, [.slot] |
668 | shl ebx, 8 |
||
669 | mov ebx,[SLOT_BASE+ebx+APPDATA.pl0_stack] |
||
129 | mikedld | 670 | |
384 | mikedld | 671 | stdcall kernel_free, ebx |
129 | mikedld | 672 | |
384 | mikedld | 673 | mov edi, [.slot] |
674 | shl edi,8 |
||
675 | add edi,SLOT_BASE |
||
676 | mov eax, 0x20202020 |
||
677 | stosd |
||
678 | stosd |
||
679 | stosd |
||
680 | mov ecx,244/4 |
||
681 | xor eax, eax |
||
682 | rep stosd |
||
129 | mikedld | 683 | |
684 | ; activate window |
||
384 | mikedld | 685 | movzx eax, word [WIN_STACK + esi*2] |
686 | cmp eax, [TASK_COUNT] |
||
129 | mikedld | 687 | jne .dont_activate |
688 | pushad |
||
689 | .check_next_window: |
||
690 | dec eax |
||
691 | cmp eax, 1 |
||
692 | jbe .nothing_to_activate |
||
384 | mikedld | 693 | lea esi, [WIN_POS+eax*2] |
129 | mikedld | 694 | movzx edi, word [esi] ; edi = process |
695 | shl edi, 5 |
||
384 | mikedld | 696 | cmp [CURRENT_TASK + edi + TASKDATA.state], byte 9 ; skip dead slots |
129 | mikedld | 697 | je .check_next_window |
698 | add edi, window_data |
||
384 | mikedld | 699 | ; \begin{diamond}[19.09.2006] |
700 | ; skip minimized windows |
||
701 | test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED |
||
702 | jnz .check_next_window |
||
703 | ; \end{diamond} |
||
129 | mikedld | 704 | call waredraw |
705 | .nothing_to_activate: |
||
706 | popad |
||
707 | .dont_activate: |
||
708 | |||
709 | push esi ; remove hd1 & cd & flp reservation |
||
710 | shl esi, 5 |
||
384 | mikedld | 711 | mov esi, [esi+CURRENT_TASK+TASKDATA.pid] |
129 | mikedld | 712 | cmp [hd1_status], esi |
713 | jnz @f |
||
384 | mikedld | 714 | call free_hd_channel |
129 | mikedld | 715 | mov [hd1_status], 0 |
716 | @@: |
||
717 | cmp [cd_status], esi |
||
718 | jnz @f |
||
384 | mikedld | 719 | call free_cd_channel |
129 | mikedld | 720 | mov [cd_status], 0 |
721 | @@: |
||
722 | cmp [flp_status], esi |
||
723 | jnz @f |
||
724 | mov [flp_status], 0 |
||
725 | @@: |
||
726 | pop esi |
||
727 | |||
728 | pusha ; remove all irq reservations |
||
729 | mov eax,esi |
||
730 | shl eax, 5 |
||
384 | mikedld | 731 | mov eax,[eax+CURRENT_TASK+TASKDATA.pid] |
129 | mikedld | 732 | mov edi,irq_owner |
733 | mov ecx,16 |
||
734 | newirqfree: |
||
735 | scasd |
||
736 | jne nofreeirq |
||
737 | mov [edi-4],dword 0 |
||
738 | nofreeirq: |
||
739 | loop newirqfree |
||
740 | popa |
||
741 | |||
742 | pusha ; remove all port reservations |
||
743 | mov edx,esi |
||
744 | shl edx, 5 |
||
384 | mikedld | 745 | add edx,CURRENT_TASK |
129 | mikedld | 746 | mov edx,[edx+TASKDATA.pid] |
747 | |||
748 | rmpr0: |
||
749 | |||
384 | mikedld | 750 | mov esi,[RESERVED_PORTS] |
129 | mikedld | 751 | |
752 | cmp esi,0 |
||
753 | je rmpr9 |
||
754 | |||
755 | rmpr3: |
||
756 | |||
757 | mov edi,esi |
||
758 | shl edi,4 |
||
384 | mikedld | 759 | add edi,RESERVED_PORTS |
129 | mikedld | 760 | |
761 | cmp edx,[edi] |
||
762 | je rmpr4 |
||
763 | |||
764 | dec esi |
||
765 | jnz rmpr3 |
||
766 | |||
767 | jmp rmpr9 |
||
768 | |||
769 | rmpr4: |
||
770 | |||
771 | mov ecx,256 |
||
772 | sub ecx,esi |
||
773 | shl ecx,4 |
||
774 | |||
775 | mov esi,edi |
||
776 | add esi,16 |
||
777 | cld |
||
778 | rep movsb |
||
779 | |||
384 | mikedld | 780 | dec dword [RESERVED_PORTS] |
129 | mikedld | 781 | |
782 | jmp rmpr0 |
||
783 | |||
784 | rmpr9: |
||
785 | |||
786 | popa |
||
787 | mov edi,esi ; do not run this process slot |
||
788 | shl edi, 5 |
||
384 | mikedld | 789 | mov [edi+CURRENT_TASK + TASKDATA.state],byte 9 |
129 | mikedld | 790 | ; debugger test - terminate all debuggees |
791 | mov eax, 2 |
||
384 | mikedld | 792 | mov ecx, SLOT_BASE+2*0x100+APPDATA.debugger_slot |
129 | mikedld | 793 | .xd0: |
384 | mikedld | 794 | cmp eax, [TASK_COUNT] |
129 | mikedld | 795 | ja .xd1 |
796 | cmp dword [ecx], esi |
||
797 | jnz @f |
||
798 | and dword [ecx], 0 |
||
799 | pushad |
||
800 | xchg eax, ebx |
||
801 | mov eax, 2 |
||
802 | call sys_system |
||
803 | popad |
||
804 | @@: |
||
805 | inc eax |
||
806 | add ecx, 0x100 |
||
807 | jmp .xd0 |
||
808 | .xd1: |
||
809 | ; call systest |
||
810 | sti ; .. and life goes on |
||
811 | |||
812 | mov eax, [dlx] |
||
813 | mov ebx, [dly] |
||
814 | mov ecx, [dlxe] |
||
815 | mov edx, [dlye] |
||
816 | call [calculatescreen] |
||
817 | xor eax, eax |
||
818 | xor esi, esi |
||
819 | call redrawscreen |
||
820 | |||
384 | mikedld | 821 | mov [MOUSE_BACKGROUND],byte 0 ; no mouse background |
822 | mov [DONT_DRAW_MOUSE],byte 0 ; draw mouse |
||
129 | mikedld | 823 | |
824 | mov [application_table_status],0 |
||
825 | mov esi,process_terminated |
||
826 | call sys_msg_board_str |
||
384 | mikedld | 827 | add esp, 4 |
129 | mikedld | 828 | ret |
384 | mikedld | 829 | restore .slot |
129 | mikedld | 830 | |
831 | iglobal |
||
832 | boot_sched_1 db 'Building gdt tss pointer',0 |
||
833 | boot_sched_2 db 'Building IDT table',0 |
||
834 | endg |
||
835 | |||
836 | |||
837 | build_scheduler: |
||
838 | |||
839 | mov esi,boot_sched_1 |
||
840 | call boot_log |
||
841 | call build_process_gdt_tss_pointer |
||
842 | |||
843 | mov esi,boot_sched_2 |
||
844 | call boot_log |
||
845 | call build_interrupt_table |
||
846 | |||
847 | ret |
||
848 |