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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 | align 32 |
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11 | |||
12 | ; GDT TABLE |
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13 | |||
14 | gdts: |
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15 | |||
16 | dw gdte-$-1 |
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17 | dd gdts |
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18 | dw 0 |
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19 | |||
20 | int_code_l: |
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21 | os_code_l: |
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22 | |||
23 | dw 0xffff |
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24 | dw 0x0000 |
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25 | db 0x00 |
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26 | dw 11011111b *256 +10011010b |
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27 | db 0x00 |
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28 | |||
29 | int_data_l: |
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30 | os_data_l: |
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31 | |||
32 | dw 0xffff |
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33 | dw 0x0000 |
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34 | db 0x00 |
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35 | dw 11011111b *256 +10010010b |
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36 | db 0x00 |
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37 | |||
76 | mario79 | 38 | ; --------------- APM --------------------- |
39 | apm_code_32: |
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40 | dw 0x10 ; limit 64kb |
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41 | db 0, 0, 0 |
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42 | dw 11011111b *256 +10011010b |
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43 | db 0x00 |
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44 | apm_code_16: |
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45 | dw 0x10 |
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46 | db 0, 0, 0 |
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47 | dw 10011111b *256 +10011010b |
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48 | db 0x00 |
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49 | apm_data_16: |
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50 | dw 0x10 |
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51 | db 0, 0, 0 |
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52 | dw 10011111b *256 +10010010b |
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53 | db 0x00 |
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54 | ; ----------------------------------------- |
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55 | |||
1 | ha | 56 | app_code_l: |
164 | serge | 57 | dw 0xFFFF;((0x80000000-std_application_base_address) shr 12) and 0xffff |
4 | poddubny | 58 | dw 0 |
164 | serge | 59 | db 0x40 |
60 | db cpl3 |
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61 | dw G32+D32+0x6000+0x7; |
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1 | ha | 62 | |
63 | app_data_l: |
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164 | serge | 64 | dw 0xFFFF;(0x80000000-std_application_base_address) shr 12 and 0xffff |
4 | poddubny | 65 | dw 0 |
164 | serge | 66 | db 0x40 |
67 | db drw3 |
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68 | dw G32+D32+0x6000+0x7; |
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1 | ha | 69 | |
8 | poddubny | 70 | graph_data_l: |
1 | ha | 71 | |
8 | poddubny | 72 | dw 0x3ff |
73 | dw 0x0000 |
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74 | db 0x00 |
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75 | dw 11010000b *256 +11110010b |
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76 | db 0x00 |
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77 | |||
78 | tss0_l: |
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79 | times (max_processes+10) dd 0,0 |
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80 | |||
1 | ha | 81 | gdte: |
82 | |||
83 | |||
84 | idtreg: |
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85 | dw 8*0x41-1 |
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86 | dd idts+8 |
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164 | serge | 87 | ;label idts at 0xB100-8 |
1 | ha | 88 | |
89 | |||
90 | |||
8 | poddubny | 91 | uglobal |
92 | tss_sceleton: |
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93 | l.back dw 0,0 |
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94 | l.esp0 dd 0 |
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95 | l.ss0 dw 0,0 |
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96 | l.esp1 dd 0 |
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97 | l.ss1 dw 0,0 |
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98 | l.esp2 dd 0 |
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99 | l.ss2 dw 0,0 |
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100 | l.cr3 dd 0 |
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101 | l.eip dd 0 |
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102 | l.eflags dd 0 |
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103 | l.eax dd 0 |
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104 | l.ecx dd 0 |
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105 | l.edx dd 0 |
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106 | l.ebx dd 0 |
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107 | l.esp dd 0 |
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108 | l.ebp dd 0 |
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109 | l.esi dd 0 |
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110 | l.edi dd 0 |
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111 | l.es dw 0,0 |
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112 | l.cs dw 0,0 |
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113 | l.ss dw 0,0 |
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114 | l.ds dw 0,0 |
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115 | l.fs dw 0,0 |
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116 | l.gs dw 0,0 |
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117 | l.ldt dw 0,0 |
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118 | l.trap dw 0 |
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119 | l.io dw 0 |
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120 | endg |
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121 | |||
122 | |||
1 | ha | 123 | build_process_gdt_tss_pointer: |
124 | |||
125 | mov ecx,tss_data |
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126 | mov edi,0 |
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127 | setgdtl2: |
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128 | mov [edi+gdts+ tss0 +0], word tss_step |
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129 | mov [edi+gdts+ tss0 +2], cx |
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130 | mov eax,ecx |
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131 | shr eax,16 |
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132 | mov [edi+gdts+ tss0 +4], al |
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133 | mov [edi+gdts+ tss0 +7], ah |
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134 | mov [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b |
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135 | add ecx,tss_step |
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136 | add edi,8 |
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137 | cmp edi,8*(max_processes+5) |
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138 | jbe setgdtl2 |
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139 | |||
140 | ret |
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141 | |||
142 | |||
143 | build_interrupt_table: |
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144 | |||
6 | poddubny | 145 | mov edi, idts+8 |
146 | mov esi, sys_int |
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8 | poddubny | 147 | mov ecx, 0x40 |
6 | poddubny | 148 | @@: |
149 | mov eax, [esi] |
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150 | mov [edi], ax ; lower part of offset |
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151 | mov [edi+2], word os_code ; segment selector |
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152 | shr eax, 16 |
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153 | mov [edi+4], word 10001110b shl 8 ; interrupt descriptor |
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154 | mov [edi+6], ax |
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155 | add esi, 4 |
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156 | add edi, 8 |
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157 | dec ecx |
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158 | jnz @b |
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164 | serge | 159 | |
8 | poddubny | 160 | ;mov edi,8*0x40+idts+8 |
3 | halyavin | 161 | mov [edi + 0], word (i40 and ((1 shl 16)-1)) |
162 | mov [edi + 2], word os_code |
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163 | mov [edi + 4], word 11101110b*256 |
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9 | halyavin | 164 | mov [edi + 6], word (i40 shr 16) |
1 | ha | 165 | |
166 | ret |
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167 | |||
168 | iglobal |
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169 | sys_int: |
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164 | serge | 170 | dd e0,debug_exc,e2,e3 |
171 | dd e4,e5,e6,e7 |
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172 | dd e8,e9,e10,e11 |
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173 | dd e12,e13,page_fault_handler,e15 |
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174 | |||
175 | dd except_16, e17 |
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1 | ha | 176 | times 14 dd unknown_interrupt |
177 | |||
164 | serge | 178 | dd irq0 , irq_serv.irq_1, p_irq2 ,irq_serv.irq_3 |
179 | dd p_irq4 ,irq_serv.irq_5,p_irq6,irq_serv.irq_7 |
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180 | dd irq_serv.irq_8, irq_serv.irq_9, irq_serv.irq_10 |
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181 | dd irq_serv.irq_11,p_irq12,irqD ,p_irq14,p_irq15 |
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1 | ha | 182 | |
183 | times 16 dd unknown_interrupt |
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184 | |||
185 | dd i40 |
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186 | endg |
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187 | |||
40 | halyavin | 188 | macro save_ring3_context |
189 | { |
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58 | mario79 | 190 | push ds es |
191 | pushad |
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40 | halyavin | 192 | } |
193 | macro restore_ring3_context |
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194 | { |
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58 | mario79 | 195 | popad |
196 | pop es ds |
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40 | halyavin | 197 | } |
198 | |||
8 | poddubny | 199 | ; simply return control to interrupted process |
200 | unknown_interrupt: |
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201 | iret |
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1 | ha | 202 | |
22 | poddubny | 203 | macro exc_wo_code [num] |
8 | poddubny | 204 | { |
205 | forward |
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206 | e#num : |
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40 | halyavin | 207 | save_ring3_context |
20 | mario79 | 208 | mov bl, num |
209 | jmp exc_c |
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8 | poddubny | 210 | } |
1 | ha | 211 | |
22 | poddubny | 212 | macro exc_w_code [num] |
213 | { |
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214 | forward |
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215 | e#num : |
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216 | add esp, 4 |
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40 | halyavin | 217 | save_ring3_context |
22 | poddubny | 218 | mov bl, num |
219 | jmp exc_c |
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220 | } |
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221 | |||
164 | serge | 222 | exc_wo_code 0, 1, 2, 3, 4, 5, 6, 9, 15 ; 18, 19 |
22 | poddubny | 223 | exc_w_code 8, 10, 11, 12, 13, 14, 17 |
224 | |||
8 | poddubny | 225 | exc_c: |
6 | poddubny | 226 | mov ax, os_data |
227 | mov ds, ax |
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228 | mov es, ax |
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1 | ha | 229 | |
40 | halyavin | 230 | ; test if debugging |
231 | cli |
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232 | mov eax, [0x3000] |
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233 | shl eax, 8 |
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115 | poddubny | 234 | mov eax, [0x80000+eax+APPDATA.debugger_slot] |
40 | halyavin | 235 | test eax, eax |
236 | jnz .debug |
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237 | sti |
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238 | ; not debuggee => say error and terminate |
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239 | add esp, 28h |
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164 | serge | 240 | movzx eax, bl |
8 | poddubny | 241 | mov [error_interrupt], eax |
1 | ha | 242 | call show_error_parameters |
164 | serge | 243 | |
8 | poddubny | 244 | mov edx, [0x3010] |
115 | poddubny | 245 | mov [edx + TASKDATA.state], byte 4 |
164 | serge | 246 | |
1 | ha | 247 | jmp change_task |
248 | |||
40 | halyavin | 249 | .debug: |
250 | ; we are debugged process, notify debugger and suspend ourself |
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251 | ; eax=debugger PID |
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113 | diamond | 252 | cld |
40 | halyavin | 253 | movzx ecx, bl |
254 | push ecx |
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255 | mov ecx, [0x3010] |
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115 | poddubny | 256 | push dword [ecx+TASKDATA.pid] ; PID of current process |
40 | halyavin | 257 | push 12 |
258 | pop ecx |
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58 | mario79 | 259 | push 1 ; 1=exception |
40 | halyavin | 260 | call debugger_notify |
261 | pop ecx |
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262 | pop ecx |
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263 | pop ecx |
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264 | mov edx, [0x3010] |
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115 | poddubny | 265 | mov byte [edx+TASKDATA.state], 1 ; suspended |
40 | halyavin | 266 | call change_task |
267 | restore_ring3_context |
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268 | iretd |
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1 | ha | 269 | |
270 | ;;;;;;;;;;;;;;;;;;;;;;; |
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271 | ;; FPU ERROR HANDLER ;; |
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272 | ;;;;;;;;;;;;;;;;;;;;;;; |
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273 | |||
274 | align 4 |
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8 | poddubny | 275 | e7: |
40 | halyavin | 276 | save_ring3_context |
6 | poddubny | 277 | clts |
164 | serge | 278 | mov ax, os_data |
279 | mov ds, ax |
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280 | mov es, ax |
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281 | |||
282 | mov ebx, [fpu_owner] |
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283 | cmp ebx, [CURRENT_TASK] |
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284 | je .exit |
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285 | |||
286 | shl ebx, 8 |
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287 | mov eax, [ebx+PROC_BASE+APPDATA.fpu_state] |
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288 | bt [cpu_caps], CAPS_FXSR |
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289 | jnc .no_SSE |
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290 | |||
291 | fxsave [eax] |
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292 | mov ebx, [CURRENT_TASK] |
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293 | mov [fpu_owner], ebx |
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294 | shl ebx, 8 |
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295 | cmp dword [ebx+PROC_BASE+APPDATA.fpu_init], 0 |
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296 | je .init |
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297 | mov eax, [ebx+PROC_BASE+APPDATA.fpu_state] |
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298 | fxrstor [eax] |
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40 | halyavin | 299 | restore_ring3_context |
6 | poddubny | 300 | iret |
164 | serge | 301 | .init: |
302 | fninit ; ¬ ¥ ã¦ë ¥¬ ᪨஢ ë¥ ¨áª«î票ï |
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303 | mov dword [ebx+PROC_BASE+APPDATA.fpu_init], 1 |
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304 | .exit: |
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305 | restore_ring3_context |
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306 | iret |
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307 | .no_SSE: |
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308 | fnsave [eax] |
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309 | mov ebx, [CURRENT_TASK] |
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310 | mov [fpu_owner], ebx |
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311 | shl ebx, 8 |
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312 | cmp dword [ebx+PROC_BASE+APPDATA.fpu_init], 0 |
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313 | je .init |
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314 | |||
315 | mov eax, [ebx+PROC_BASE+APPDATA.fpu_state] |
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316 | frstor [eax] |
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317 | restore_ring3_context |
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318 | iret |
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319 | |||
6 | poddubny | 320 | iglobal |
164 | serge | 321 | fpu_owner dd 1 |
322 | endg |
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1 | ha | 323 | |
324 | |||
325 | writehex: |
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326 | pusha |
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164 | serge | 327 | |
8 | poddubny | 328 | mov edi, [write_error_to] |
329 | mov esi, 8 |
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330 | @@: |
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331 | mov ecx, eax |
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332 | and ecx, 0xf |
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1 | ha | 333 | |
8 | poddubny | 334 | mov cl,[ecx+hexletters] |
1 | ha | 335 | mov [edi],cl |
8 | poddubny | 336 | dec edi |
1 | ha | 337 | |
8 | poddubny | 338 | shr eax,4 |
1 | ha | 339 | dec esi |
8 | poddubny | 340 | jnz @b |
1 | ha | 341 | |
342 | popa |
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343 | ret |
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344 | |||
345 | iglobal |
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346 | hexletters db '0123456789ABCDEF' |
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347 | |||
348 | error_interrupt dd -1 |
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349 | |||
350 | process_error db 'K : Process - forced terminate INT: 00000000',13,10,0 |
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351 | process_pid db 'K : Process - forced terminate PID: 00000000',13,10,0 |
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352 | process_eip db 'K : Process - forced terminate EIP: 00000000',13,10,0 |
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353 | system_error db 'K : Kernel error',13,10,0 |
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354 | endg |
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355 | |||
356 | uglobal |
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357 | write_error_to dd 0x0 |
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358 | endg |
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359 | |||
360 | show_error_parameters: |
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164 | serge | 361 | |
1 | ha | 362 | mov [write_error_to],process_pid+43 |
363 | mov eax,[0x3000] |
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364 | shl eax, 5 |
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115 | poddubny | 365 | mov eax,[0x3000+TASKDATA.pid+eax] |
1 | ha | 366 | call writehex |
164 | serge | 367 | |
1 | ha | 368 | mov [write_error_to],process_error+43 |
369 | mov eax,[error_interrupt] |
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370 | call writehex |
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16 | poddubny | 371 | |
372 | cmp dword [esp+4+4], os_code ; CS |
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373 | jnz @f |
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10 | poddubny | 374 | mov esi,system_error |
375 | call sys_msg_board_str |
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376 | @@: |
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16 | poddubny | 377 | mov eax, [esp+4] ; EIP |
10 | poddubny | 378 | |
1 | ha | 379 | mov [write_error_to],process_eip+43 |
380 | call writehex |
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381 | |||
382 | mov esi,process_error |
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383 | call sys_msg_board_str |
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384 | |||
385 | mov esi,process_pid |
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386 | call sys_msg_board_str |
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387 | |||
388 | mov esi,process_eip |
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389 | call sys_msg_board_str |
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390 | |||
391 | ret |
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392 | |||
393 | |||
394 | |||
6 | poddubny | 395 | ; irq1 -> hid/keyboard.inc |
1 | ha | 396 | |
397 | |||
10 | poddubny | 398 | macro irqh [num] |
8 | poddubny | 399 | { |
400 | forward |
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401 | p_irq#num : |
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40 | halyavin | 402 | save_ring3_context |
8 | poddubny | 403 | mov edi, num |
404 | jmp irq_c |
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405 | } |
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1 | ha | 406 | |
160 | diamond | 407 | irqh 2,5,7,8,9,10,11 |
1 | ha | 408 | |
8 | poddubny | 409 | irq_c: |
410 | mov ax, os_data |
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411 | mov ds, ax |
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412 | mov es, ax |
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1 | ha | 413 | call irqhandler |
40 | halyavin | 414 | restore_ring3_context |
8 | poddubny | 415 | iret |
11 | poddubny | 416 | |
417 | p_irq6: |
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40 | halyavin | 418 | save_ring3_context |
11 | poddubny | 419 | mov ax, os_data |
420 | mov ds, ax |
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421 | mov es, ax |
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422 | call fdc_irq |
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33 | mario79 | 423 | call ready_for_next_irq |
40 | halyavin | 424 | restore_ring3_context |
33 | mario79 | 425 | iret |
15 | poddubny | 426 | |
33 | mario79 | 427 | p_irq3: |
40 | halyavin | 428 | save_ring3_context |
33 | mario79 | 429 | mov ax, os_data |
430 | mov ds, ax |
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431 | mov es, ax |
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58 | mario79 | 432 | cmp [com2_mouse_detected],0 |
433 | je old_irq3_handler |
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33 | mario79 | 434 | call check_mouse_data_com2 |
58 | mario79 | 435 | jmp p_irq3_1 |
436 | old_irq3_handler: |
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437 | mov edi,3 |
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438 | call irqhandler |
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164 | serge | 439 | p_irq3_1: |
40 | halyavin | 440 | restore_ring3_context |
33 | mario79 | 441 | iret |
15 | poddubny | 442 | |
33 | mario79 | 443 | p_irq4: |
40 | halyavin | 444 | save_ring3_context |
33 | mario79 | 445 | mov ax, os_data |
446 | mov ds, ax |
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447 | mov es, ax |
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58 | mario79 | 448 | cmp [com1_mouse_detected],0 |
449 | je old_irq4_handler |
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33 | mario79 | 450 | call check_mouse_data_com1 |
58 | mario79 | 451 | jmp p_irq4_1 |
452 | old_irq4_handler: |
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453 | mov edi,4 |
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454 | call irqhandler |
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164 | serge | 455 | p_irq4_1: |
40 | halyavin | 456 | restore_ring3_context |
11 | poddubny | 457 | iret |
458 | |||
33 | mario79 | 459 | p_irq12: |
40 | halyavin | 460 | save_ring3_context |
33 | mario79 | 461 | mov ax, os_data |
462 | mov ds, ax |
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463 | mov es, ax |
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464 | call check_mouse_data_ps2 |
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40 | halyavin | 465 | restore_ring3_context |
33 | mario79 | 466 | iret |
467 | |||
160 | diamond | 468 | p_irq14: |
469 | save_ring3_context |
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470 | mov ax, os_data |
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471 | mov ds, ax |
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472 | mov es, ax |
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473 | call [irq14_func] |
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474 | call ready_for_next_irq_1 |
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475 | restore_ring3_context |
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476 | iret |
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477 | p_irq15: |
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478 | save_ring3_context |
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479 | mov ax, os_data |
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480 | mov ds, ax |
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481 | mov es, ax |
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482 | call [irq15_func] |
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483 | call ready_for_next_irq_1 |
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484 | restore_ring3_context |
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485 | iret |
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486 | |||
33 | mario79 | 487 | ready_for_next_irq: |
488 | mov [check_idle_semaphore],5 |
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489 | mov al, 0x20 |
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490 | out 0x20, al |
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491 | ret |
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492 | |||
493 | ready_for_next_irq_1: |
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494 | mov [check_idle_semaphore],5 |
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495 | mov al, 0x20 |
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496 | out 0xa0,al |
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497 | out 0x20, al |
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498 | ret |
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499 | |||
6 | poddubny | 500 | irqD: |
40 | halyavin | 501 | save_ring3_context |
8 | poddubny | 502 | mov ax, os_data |
503 | mov ds, ax |
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504 | mov es, ax |
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164 | serge | 505 | |
6 | poddubny | 506 | mov dx,0xf0 |
507 | mov al,0 |
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508 | out dx,al |
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1 | ha | 509 | |
6 | poddubny | 510 | mov dx,0xa0 |
511 | mov al,0x20 |
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512 | out dx,al |
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513 | mov dx,0x20 |
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40 | halyavin | 514 | out dx,al |
515 | |||
516 | restore_ring3_context |
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164 | serge | 517 | |
8 | poddubny | 518 | iret |
1 | ha | 519 | |
520 | |||
521 | irqhandler: |
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522 | |||
523 | push edi |
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524 | |||
525 | mov esi,edi ; 1 |
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526 | shl esi,6 ; 1 |
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527 | add esi,irq00read ; 1 |
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528 | shl edi,12 ; 1 |
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529 | add edi,0x2E0000 |
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75 | diamond | 530 | mov ecx,16 |
1 | ha | 531 | |
532 | mov [check_idle_semaphore],5 |
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533 | |||
534 | irqnewread: |
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75 | diamond | 535 | dec ecx |
536 | js irqover |
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1 | ha | 537 | |
538 | mov dx,[esi] ; 2+ |
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539 | |||
540 | cmp dx,0 ; 1 |
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541 | jz irqover |
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542 | cmp [esi+3],byte 1 ; 2 ; byte read |
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543 | jne noirqbyte ; 4-11 |
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544 | |||
545 | in al,dx |
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546 | |||
547 | mov edx,[edi] |
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548 | cmp edx,4000 |
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549 | je irqfull |
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550 | mov ebx,edi |
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551 | add ebx,0x10 |
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552 | add ebx,edx |
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553 | mov [ebx],al |
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554 | inc edx |
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555 | mov [edi],edx |
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556 | |||
557 | add esi,4 |
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558 | jmp irqnewread |
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559 | |||
560 | noirqbyte: |
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561 | |||
562 | |||
563 | cmp [esi+3],byte 2 ; word read |
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564 | jne noirqword |
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565 | |||
566 | in ax,dx |
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567 | |||
568 | mov edx,[edi] |
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569 | cmp edx,4000 |
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570 | je irqfull |
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571 | mov ebx,edi |
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572 | add ebx,0x10 |
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573 | add ebx,edx |
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574 | mov [ebx],ax |
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575 | add edx,2 |
||
576 | mov [edi],edx |
||
577 | add esi,4 |
||
578 | jmp irqnewread |
||
579 | |||
580 | noirqword: |
||
581 | irqfull: |
||
582 | irqover: |
||
583 | |||
584 | mov al,0x20 ; ready for next irq |
||
585 | out 0x20,al |
||
586 | |||
587 | pop ebx |
||
588 | cmp ebx,7 |
||
589 | jbe noa0 |
||
590 | out 0xa0,al |
||
591 | noa0: |
||
592 | |||
593 | ret |
||
594 | |||
595 | |||
596 | |||
597 | set_application_table_status: |
||
598 | push eax |
||
599 | |||
600 | mov eax,[0x3000] |
||
601 | shl eax, 5 |
||
115 | poddubny | 602 | add eax,0x3000+TASKDATA.pid |
1 | ha | 603 | mov eax,[eax] |
604 | |||
605 | mov [application_table_status],eax |
||
606 | |||
607 | pop eax |
||
608 | |||
609 | ret |
||
610 | |||
611 | |||
612 | clear_application_table_status: |
||
613 | push eax |
||
614 | |||
615 | mov eax,[0x3000] |
||
616 | shl eax, 5 |
||
115 | poddubny | 617 | add eax,0x3000+TASKDATA.pid |
1 | ha | 618 | mov eax,[eax] |
619 | |||
620 | cmp eax,[application_table_status] |
||
621 | jne apptsl1 |
||
622 | mov [application_table_status],0 |
||
623 | apptsl1: |
||
624 | |||
625 | pop eax |
||
626 | |||
627 | ret |
||
628 | |||
629 | |||
630 | |||
631 | sys_resize_app_memory: |
||
632 | ; eax = 1 - resize |
||
633 | ; ebx = new amount of memory |
||
634 | |||
635 | cmp eax,1 |
||
4 | poddubny | 636 | jne .no_application_mem_resize |
1 | ha | 637 | |
164 | serge | 638 | stdcall new_mem_resize, ebx |
639 | mov [esp+36], eax |
||
640 | ret |
||
1 | ha | 641 | |
164 | serge | 642 | .no_application_mem_resize: |
1 | ha | 643 | ret |
644 | |||
645 | |||
646 | |||
647 | get_app_params: |
||
648 | |||
649 | push eax |
||
650 | |||
651 | cmp [0x90000+6],word '00' |
||
652 | jne no_00_header |
||
653 | |||
654 | mov eax,[0x90000+12] |
||
655 | mov [app_start],eax |
||
656 | mov eax,[0x90000+16] |
||
657 | mov [app_i_end],eax |
||
658 | mov eax,[0x90000+20] |
||
659 | mov [app_mem],eax |
||
133 | diamond | 660 | ; \begin{diamond}[20.08.2006] |
661 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
||
662 | ; fit in allocated memory to prevent kernel faults) |
||
663 | cmp eax,[app_i_end] |
||
664 | jb no_01_header |
||
665 | ; \end{diamond}[20.08.2006] |
||
1 | ha | 666 | shr eax,1 |
667 | sub eax,0x10 |
||
668 | mov [app_esp],eax |
||
669 | mov eax,[0x90000+24] |
||
670 | mov [app_i_param],eax |
||
671 | mov [app_i_icon],dword 0 |
||
672 | |||
673 | pop eax |
||
133 | diamond | 674 | clc |
1 | ha | 675 | ret |
676 | |||
677 | no_00_header: |
||
678 | |||
679 | |||
680 | cmp [0x90000+6],word '01' |
||
681 | jne no_01_header |
||
682 | |||
683 | mov eax,[0x90000+12] |
||
684 | mov [app_start],eax |
||
685 | mov eax,[0x90000+16] |
||
686 | mov [app_i_end],eax |
||
687 | mov eax,[0x90000+20] |
||
688 | mov [app_mem],eax |
||
133 | diamond | 689 | ; \begin{diamond}[20.08.2006] |
690 | cmp eax,[app_i_end] |
||
691 | jb no_01_header |
||
692 | ; \end{diamond}[20.08.2006] |
||
1 | ha | 693 | mov eax,[0x90000+24] |
694 | mov [app_esp],eax |
||
695 | mov eax,[0x90000+28] |
||
696 | mov [app_i_param],eax |
||
697 | mov eax,[0x90000+32] |
||
698 | mov [app_i_icon],eax |
||
699 | |||
700 | pop eax |
||
133 | diamond | 701 | clc |
1 | ha | 702 | ret |
703 | |||
704 | no_01_header: |
||
705 | |||
706 | pop eax |
||
133 | diamond | 707 | stc |
1 | ha | 708 | ret |
709 | |||
710 | |||
711 | uglobal |
||
712 | new_process_place dd 0x0 |
||
713 | app_start dd 0x0 |
||
714 | app_i_end dd 0x0 |
||
715 | app_mem dd 0x0 |
||
716 | app_esp dd 0x0 |
||
717 | app_i_param dd 0x0 |
||
718 | app_i_icon dd 0x0 |
||
164 | serge | 719 | ; app_mem_pos dd 0x0 |
5 | halyavin | 720 | appl_path dd 0x0 |
164 | serge | 721 | appl_path_size dd 0x0 |
1 | ha | 722 | endg |
723 | |||
724 | |||
725 | sys_threads: |
||
726 | |||
727 | ; eax=1 create thread |
||
728 | ; |
||
729 | ; ebx=thread start |
||
730 | ; ecx=thread stack value |
||
731 | ; |
||
732 | ; on return : eax = pid |
||
733 | jmp new_sys_threads |
||
734 | |||
735 | iglobal |
||
736 | process_terminating db 'K : Process - terminating',13,10,0 |
||
737 | process_terminated db 'K : Process - done',13,10,0 |
||
738 | endg |
||
739 | |||
740 | |||
741 | terminate: ; terminate application |
||
742 | push esi |
||
743 | mov esi,process_terminating |
||
744 | call sys_msg_board_str |
||
745 | pop esi |
||
746 | |||
40 | halyavin | 747 | @@: |
1 | ha | 748 | cli |
749 | cmp [application_table_status],0 |
||
750 | je term9 |
||
751 | sti |
||
752 | call change_task |
||
40 | halyavin | 753 | jmp @b |
1 | ha | 754 | term9: |
755 | |||
756 | call set_application_table_status |
||
164 | serge | 757 | |
1 | ha | 758 | mov eax,esi |
759 | |||
164 | serge | 760 | pushad |
761 | shl eax,8 |
||
762 | mov eax,[PROC_BASE+eax+0xB8] |
||
763 | stdcall destroy_app_space, eax |
||
764 | popad |
||
765 | |||
766 | cmp [fpu_owner],esi ; if user fpu last -> fpu user = 1 |
||
1 | ha | 767 | jne fpu_ok_1 |
164 | serge | 768 | mov [fpu_owner],1 |
1 | ha | 769 | fpu_ok_1: |
770 | |||
771 | mov [0xf400],byte 0 ; empty keyboard buffer |
||
772 | mov [0xf500],byte 0 ; empty button buffer |
||
773 | |||
774 | |||
92 | diamond | 775 | ; remove defined hotkeys |
776 | mov eax, hotkey_list |
||
777 | .loop: |
||
778 | cmp [eax+8], esi |
||
779 | jnz .cont |
||
780 | mov ecx, [eax] |
||
781 | jecxz @f |
||
782 | push dword [eax+12] |
||
783 | pop dword [ecx+12] |
||
784 | @@: |
||
785 | mov ecx, [eax+12] |
||
786 | push dword [eax] |
||
787 | pop dword [ecx] |
||
788 | xor ecx, ecx |
||
789 | mov [eax], ecx |
||
790 | mov [eax+4], ecx |
||
791 | mov [eax+8], ecx |
||
792 | mov [eax+12], ecx |
||
793 | .cont: |
||
794 | add eax, 16 |
||
795 | cmp eax, hotkey_list+256*16 |
||
796 | jb .loop |
||
797 | ; remove hotkeys in buffer |
||
798 | mov eax, hotkey_buffer |
||
799 | .loop2: |
||
800 | cmp [eax], esi |
||
801 | jnz .cont2 |
||
802 | and dword [eax+4], 0 |
||
803 | and dword [eax], 0 |
||
804 | .cont2: |
||
805 | add eax, 8 |
||
806 | cmp eax, hotkey_buffer+120*8 |
||
807 | jb .loop2 |
||
808 | |||
1 | ha | 809 | mov ecx,esi ; remove buttons |
810 | bnewba2: |
||
811 | mov edi,[0xfe88] |
||
812 | mov eax,edi |
||
813 | cld |
||
814 | movzx ebx,word [edi] |
||
815 | inc bx |
||
816 | bnewba: |
||
817 | dec bx |
||
818 | jz bnmba |
||
819 | add eax,0x10 |
||
820 | cmp cx,[eax] |
||
821 | jnz bnewba |
||
822 | pusha |
||
823 | mov ecx,ebx |
||
824 | inc ecx |
||
825 | shl ecx,4 |
||
826 | mov ebx,eax |
||
827 | add eax,0x10 |
||
828 | call memmove |
||
829 | dec dword [edi] |
||
830 | popa |
||
831 | jmp bnewba2 |
||
832 | bnmba: |
||
833 | |||
834 | pusha ; save window coordinates for window restoring |
||
835 | cld |
||
836 | shl esi,5 |
||
837 | add esi,window_data |
||
114 | mikedld | 838 | mov eax,[esi+WDATA.box.left] |
102 | poddubny | 839 | mov [dlx],eax |
114 | mikedld | 840 | add eax,[esi+WDATA.box.width] |
102 | poddubny | 841 | mov [dlxe],eax |
114 | mikedld | 842 | mov eax,[esi+WDATA.box.top] |
102 | poddubny | 843 | mov [dly],eax |
114 | mikedld | 844 | add eax,[esi+WDATA.box.height] |
102 | poddubny | 845 | mov [dlye],eax |
1 | ha | 846 | |
142 | diamond | 847 | xor eax, eax |
848 | mov [esi+WDATA.box.left],eax |
||
849 | mov [esi+WDATA.box.width],eax |
||
114 | mikedld | 850 | mov [esi+WDATA.box.top],eax |
142 | diamond | 851 | mov [esi+WDATA.box.height],eax |
115 | poddubny | 852 | mov [esi+WDATA.cl_workarea],eax |
853 | mov [esi+WDATA.cl_titlebar],eax |
||
854 | mov [esi+WDATA.cl_frames],eax |
||
855 | mov dword [esi+WDATA.reserved],eax ; clear all flags: wstate, redraw, wdrawn |
||
102 | poddubny | 856 | lea edi, [esi-window_data+draw_data] |
1 | ha | 857 | mov ecx,32/4 |
858 | rep stosd |
||
859 | popa |
||
860 | |||
40 | halyavin | 861 | ; debuggee test |
862 | pushad |
||
863 | mov edi, esi |
||
864 | shl edi, 5 |
||
115 | poddubny | 865 | mov eax, [0x80000+edi*8+APPDATA.debugger_slot] |
40 | halyavin | 866 | test eax, eax |
867 | jz .nodebug |
||
868 | push 8 |
||
869 | pop ecx |
||
115 | poddubny | 870 | push dword [0x3000+edi+TASKDATA.pid] ; PID |
40 | halyavin | 871 | push 2 |
872 | call debugger_notify |
||
873 | pop ecx |
||
874 | pop ecx |
||
875 | .nodebug: |
||
876 | popad |
||
877 | |||
1 | ha | 878 | pusha ; at 0x80000+ |
879 | mov edi,esi |
||
880 | shl edi,8 |
||
881 | add edi,0x80000 |
||
882 | mov ecx,256/4 |
||
883 | xor eax, eax |
||
884 | rep stosd |
||
885 | popa |
||
886 | |||
887 | pusha ; name to spaces |
||
888 | mov edi,esi |
||
889 | shl edi,8 |
||
115 | poddubny | 890 | add edi,0x80000+APPDATA.app_name |
1 | ha | 891 | mov ecx,11 |
892 | mov eax,' ' |
||
893 | rep stosb |
||
894 | popa |
||
895 | |||
896 | |||
102 | poddubny | 897 | ; activate window |
898 | movzx eax, word [0xC000 + esi*2] |
||
899 | cmp eax, [0x3004] |
||
900 | jne .dont_activate |
||
901 | pushad |
||
902 | .check_next_window: |
||
903 | dec eax |
||
904 | cmp eax, 1 |
||
905 | jbe .nothing_to_activate |
||
906 | lea esi, [0xc400+eax*2] |
||
907 | movzx edi, word [esi] ; edi = process |
||
908 | shl edi, 5 |
||
115 | poddubny | 909 | cmp [0x3000 + edi + TASKDATA.state], byte 9 ; skip dead slots |
102 | poddubny | 910 | je .check_next_window |
911 | add edi, window_data |
||
154 | diamond | 912 | ; \begin{diamond}[19.09.2006] |
913 | ; skip minimized windows |
||
164 | serge | 914 | test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED |
915 | jnz .check_next_window |
||
154 | diamond | 916 | ; \end{diamond} |
102 | poddubny | 917 | call waredraw |
918 | .nothing_to_activate: |
||
919 | popad |
||
920 | .dont_activate: |
||
921 | |||
92 | diamond | 922 | push esi ; remove hd1 & cd & flp reservation |
923 | shl esi, 5 |
||
118 | diamond | 924 | mov esi, [esi+0x3000+TASKDATA.pid] |
92 | diamond | 925 | cmp [hd1_status], esi |
926 | jnz @f |
||
927 | mov [hd1_status], 0 |
||
928 | @@: |
||
929 | cmp [cd_status], esi |
||
930 | jnz @f |
||
931 | mov [cd_status], 0 |
||
932 | @@: |
||
933 | cmp [flp_status], esi |
||
934 | jnz @f |
||
935 | mov [flp_status], 0 |
||
936 | @@: |
||
937 | pop esi |
||
1 | ha | 938 | |
939 | pusha ; remove all irq reservations |
||
92 | diamond | 940 | mov eax,esi |
115 | poddubny | 941 | shl eax, 5 |
118 | diamond | 942 | mov eax,[eax+0x3000+TASKDATA.pid] |
1 | ha | 943 | mov edi,irq_owner |
944 | mov ecx,16 |
||
945 | newirqfree: |
||
92 | diamond | 946 | scasd |
1 | ha | 947 | jne nofreeirq |
92 | diamond | 948 | mov [edi-4],dword 0 |
1 | ha | 949 | nofreeirq: |
950 | loop newirqfree |
||
951 | popa |
||
952 | |||
953 | |||
954 | pusha ; remove all port reservations |
||
955 | mov edx,esi |
||
115 | poddubny | 956 | shl edx, 5 |
1 | ha | 957 | add edx,0x3000 |
115 | poddubny | 958 | mov edx,[edx+TASKDATA.pid] |
1 | ha | 959 | |
960 | rmpr0: |
||
961 | |||
962 | mov esi,[0x2d0000] |
||
963 | |||
964 | cmp esi,0 |
||
965 | je rmpr9 |
||
966 | |||
967 | rmpr3: |
||
968 | |||
969 | mov edi,esi |
||
970 | shl edi,4 |
||
971 | add edi,0x2d0000 |
||
972 | |||
973 | cmp edx,[edi] |
||
974 | je rmpr4 |
||
975 | |||
976 | dec esi |
||
977 | jnz rmpr3 |
||
978 | |||
979 | jmp rmpr9 |
||
980 | |||
981 | rmpr4: |
||
982 | |||
983 | mov ecx,256 |
||
984 | sub ecx,esi |
||
985 | shl ecx,4 |
||
986 | |||
987 | mov esi,edi |
||
988 | add esi,16 |
||
989 | cld |
||
990 | rep movsb |
||
991 | |||
992 | dec dword [0x2d0000] |
||
993 | |||
994 | jmp rmpr0 |
||
995 | |||
996 | rmpr9: |
||
997 | |||
998 | popa |
||
999 | mov edi,esi ; do not run this process slot |
||
6 | poddubny | 1000 | shl edi, 5 |
115 | poddubny | 1001 | mov [edi+0x3000 + TASKDATA.state],byte 9 |
40 | halyavin | 1002 | ; debugger test - terminate all debuggees |
1003 | mov eax, 2 |
||
115 | poddubny | 1004 | mov ecx, 0x80000+2*0x100+APPDATA.debugger_slot |
40 | halyavin | 1005 | .xd0: |
1006 | cmp eax, [0x3004] |
||
1007 | ja .xd1 |
||
1008 | cmp dword [ecx], esi |
||
1009 | jnz @f |
||
1010 | and dword [ecx], 0 |
||
1011 | pushad |
||
1012 | xchg eax, ebx |
||
1013 | mov eax, 2 |
||
1014 | call sys_system |
||
1015 | popad |
||
1016 | @@: |
||
1017 | inc eax |
||
1018 | add ecx, 0x100 |
||
1019 | jmp .xd0 |
||
1020 | .xd1: |
||
1 | ha | 1021 | ; call systest |
1022 | sti ; .. and life goes on |
||
1023 | |||
112 | poddubny | 1024 | mov eax, [dlx] |
1025 | mov ebx, [dly] |
||
1026 | mov ecx, [dlxe] |
||
1027 | mov edx, [dlye] |
||
1 | ha | 1028 | call calculatescreen |
1029 | xor eax, eax |
||
1030 | xor esi, esi |
||
1031 | call redrawscreen |
||
1032 | |||
1033 | mov [0xfff4],byte 0 ; no mouse background |
||
1034 | mov [0xfff5],byte 0 ; draw mouse |
||
1035 | |||
1036 | mov [application_table_status],0 |
||
1037 | mov esi,process_terminated |
||
1038 | call sys_msg_board_str |
||
1039 | |||
1040 | ret |
||
1041 | |||
1042 | iglobal |
||
1043 | boot_sched_1 db 'Building gdt tss pointer',0 |
||
8 | poddubny | 1044 | boot_sched_2 db 'Building IDT table',0 |
1 | ha | 1045 | endg |
1046 | |||
1047 | |||
1048 | build_scheduler: |
||
1049 | |||
1050 | mov esi,boot_sched_1 |
||
1051 | call boot_log |
||
1052 | call build_process_gdt_tss_pointer |
||
1053 | |||
8 | poddubny | 1054 | mov esi,boot_sched_2 |
1 | ha | 1055 | call boot_log |
1056 | call build_interrupt_table |
||
1057 | |||
1058 | ret |
||
1059 |