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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: |
4 | poddubny | 57 | dw ((0x80000000-std_application_base_address) shr 12) and 0xffff |
58 | dw 0 |
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59 | db 0 |
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60 | dw 11010000b*256+11111010b+256*((0x80000000-std_application_base_address) shr 28) |
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61 | db std_application_base_address shr 24 |
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1 | ha | 62 | |
63 | app_data_l: |
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4 | poddubny | 64 | dw (0x80000000-std_application_base_address) shr 12 and 0xffff |
65 | dw 0 |
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66 | db 0 |
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67 | dw 11010000b*256+11110010b+256*((0x80000000-std_application_base_address) shr 28) |
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68 | db std_application_base_address shr 24 |
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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 | |||
85 | idtreg: |
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86 | dw 8*0x41-1 |
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87 | dd idts+8 |
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88 | label idts at 0xB100-8 |
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89 | |||
90 | |||
91 | |||
8 | poddubny | 92 | uglobal |
93 | tss_sceleton: |
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94 | l.back dw 0,0 |
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95 | l.esp0 dd 0 |
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96 | l.ss0 dw 0,0 |
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97 | l.esp1 dd 0 |
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98 | l.ss1 dw 0,0 |
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99 | l.esp2 dd 0 |
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100 | l.ss2 dw 0,0 |
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101 | l.cr3 dd 0 |
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102 | l.eip dd 0 |
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103 | l.eflags dd 0 |
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104 | l.eax dd 0 |
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105 | l.ecx dd 0 |
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106 | l.edx dd 0 |
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107 | l.ebx dd 0 |
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108 | l.esp dd 0 |
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109 | l.ebp dd 0 |
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110 | l.esi dd 0 |
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111 | l.edi dd 0 |
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112 | l.es dw 0,0 |
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113 | l.cs dw 0,0 |
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114 | l.ss dw 0,0 |
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115 | l.ds dw 0,0 |
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116 | l.fs dw 0,0 |
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117 | l.gs dw 0,0 |
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118 | l.ldt dw 0,0 |
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119 | l.trap dw 0 |
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120 | l.io dw 0 |
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121 | endg |
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122 | |||
123 | |||
1 | ha | 124 | build_process_gdt_tss_pointer: |
125 | |||
126 | mov ecx,tss_data |
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127 | mov edi,0 |
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128 | setgdtl2: |
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129 | mov [edi+gdts+ tss0 +0], word tss_step |
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130 | mov [edi+gdts+ tss0 +2], cx |
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131 | mov eax,ecx |
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132 | shr eax,16 |
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133 | mov [edi+gdts+ tss0 +4], al |
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134 | mov [edi+gdts+ tss0 +7], ah |
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135 | mov [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b |
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136 | add ecx,tss_step |
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137 | add edi,8 |
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138 | cmp edi,8*(max_processes+5) |
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139 | jbe setgdtl2 |
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140 | |||
141 | ret |
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142 | |||
143 | |||
144 | build_interrupt_table: |
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145 | |||
6 | poddubny | 146 | mov edi, idts+8 |
147 | mov esi, sys_int |
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8 | poddubny | 148 | mov ecx, 0x40 |
6 | poddubny | 149 | @@: |
150 | mov eax, [esi] |
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151 | mov [edi], ax ; lower part of offset |
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152 | mov [edi+2], word os_code ; segment selector |
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153 | shr eax, 16 |
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154 | mov [edi+4], word 10001110b shl 8 ; interrupt descriptor |
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155 | mov [edi+6], ax |
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156 | add esi, 4 |
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157 | add edi, 8 |
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158 | dec ecx |
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159 | jnz @b |
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8 | poddubny | 160 | |
161 | ;mov edi,8*0x40+idts+8 |
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3 | halyavin | 162 | mov [edi + 0], word (i40 and ((1 shl 16)-1)) |
163 | mov [edi + 2], word os_code |
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164 | mov [edi + 4], word 11101110b*256 |
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9 | halyavin | 165 | mov [edi + 6], word (i40 shr 16) |
1 | ha | 166 | |
167 | ret |
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168 | |||
169 | |||
170 | |||
171 | iglobal |
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172 | sys_int: |
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66 | diamond | 173 | dd e0,debug_exc,e2,e3,e4,e5,e6,e7,e8,e9,e10,e11,e12,e13,e14,e15 |
8 | poddubny | 174 | dd e16,e17 |
1 | ha | 175 | times 14 dd unknown_interrupt |
176 | |||
177 | dd irq0 ,irq1 ,p_irq2 ,p_irq3 ,p_irq4 ,p_irq5,p_irq6 ,p_irq7 |
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178 | dd p_irq8,p_irq9,p_irq10,p_irq11,p_irq12,irqD ,p_irq14,p_irq15 |
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179 | |||
180 | times 16 dd unknown_interrupt |
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181 | |||
182 | dd i40 |
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183 | endg |
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184 | |||
40 | halyavin | 185 | macro save_ring3_context |
186 | { |
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58 | mario79 | 187 | push ds es |
188 | pushad |
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40 | halyavin | 189 | } |
190 | macro restore_ring3_context |
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191 | { |
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58 | mario79 | 192 | popad |
193 | pop es ds |
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40 | halyavin | 194 | } |
195 | |||
8 | poddubny | 196 | ; simply return control to interrupted process |
197 | unknown_interrupt: |
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198 | iret |
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1 | ha | 199 | |
22 | poddubny | 200 | macro exc_wo_code [num] |
8 | poddubny | 201 | { |
202 | forward |
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203 | e#num : |
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40 | halyavin | 204 | save_ring3_context |
20 | mario79 | 205 | mov bl, num |
206 | jmp exc_c |
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8 | poddubny | 207 | } |
1 | ha | 208 | |
22 | poddubny | 209 | macro exc_w_code [num] |
210 | { |
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211 | forward |
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212 | e#num : |
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213 | add esp, 4 |
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40 | halyavin | 214 | save_ring3_context |
22 | poddubny | 215 | mov bl, num |
216 | jmp exc_c |
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217 | } |
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218 | |||
219 | exc_wo_code 0, 1, 2, 3, 4, 5, 6, 9, 15, 16 ; 18, 19 |
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220 | exc_w_code 8, 10, 11, 12, 13, 14, 17 |
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221 | |||
8 | poddubny | 222 | exc_c: |
6 | poddubny | 223 | mov ax, os_data |
224 | mov ds, ax |
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225 | mov es, ax |
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1 | ha | 226 | |
40 | halyavin | 227 | ; test if debugging |
228 | cli |
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229 | mov eax, [0x3000] |
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230 | shl eax, 8 |
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115 | poddubny | 231 | mov eax, [0x80000+eax+APPDATA.debugger_slot] |
40 | halyavin | 232 | test eax, eax |
233 | jnz .debug |
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234 | sti |
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235 | ; not debuggee => say error and terminate |
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236 | add esp, 28h |
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8 | poddubny | 237 | movzx eax, bl |
238 | mov [error_interrupt], eax |
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1 | ha | 239 | call show_error_parameters |
8 | poddubny | 240 | |
241 | mov edx, [0x3010] |
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115 | poddubny | 242 | mov [edx + TASKDATA.state], byte 4 |
8 | poddubny | 243 | |
1 | ha | 244 | jmp change_task |
245 | |||
40 | halyavin | 246 | .debug: |
247 | ; we are debugged process, notify debugger and suspend ourself |
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248 | ; eax=debugger PID |
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113 | diamond | 249 | cld |
40 | halyavin | 250 | movzx ecx, bl |
251 | push ecx |
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252 | mov ecx, [0x3010] |
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115 | poddubny | 253 | push dword [ecx+TASKDATA.pid] ; PID of current process |
40 | halyavin | 254 | push 12 |
255 | pop ecx |
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58 | mario79 | 256 | push 1 ; 1=exception |
40 | halyavin | 257 | call debugger_notify |
258 | pop ecx |
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259 | pop ecx |
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260 | pop ecx |
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261 | mov edx, [0x3010] |
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115 | poddubny | 262 | mov byte [edx+TASKDATA.state], 1 ; suspended |
40 | halyavin | 263 | call change_task |
264 | restore_ring3_context |
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265 | iretd |
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1 | ha | 266 | |
267 | ;;;;;;;;;;;;;;;;;;;;;;; |
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268 | ;; FPU ERROR HANDLER ;; |
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269 | ;;;;;;;;;;;;;;;;;;;;;;; |
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270 | |||
271 | align 4 |
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8 | poddubny | 272 | e7: |
40 | halyavin | 273 | save_ring3_context |
6 | poddubny | 274 | clts |
275 | mov ax, os_data |
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276 | mov ds, ax |
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277 | mov es, ax |
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278 | |||
279 | mov eax, [prev_user_of_fpu] |
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280 | shl eax, 8 |
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115 | poddubny | 281 | add eax, 0x80000 + APPDATA.fpu_save_area |
6 | poddubny | 282 | fsave [eax] |
283 | |||
284 | mov eax, [0x3000] |
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285 | mov [prev_user_of_fpu], eax |
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286 | shl eax, 8 |
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287 | add eax, 0x80000 |
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115 | poddubny | 288 | cmp [eax + APPDATA.is_fpu_saved], 0 |
6 | poddubny | 289 | je @f |
115 | poddubny | 290 | frstor [eax+APPDATA.fpu_save_area] |
6 | poddubny | 291 | @@: |
115 | poddubny | 292 | mov [eax + APPDATA.is_fpu_saved], 1 |
40 | halyavin | 293 | restore_ring3_context |
6 | poddubny | 294 | iret |
295 | |||
296 | iglobal |
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297 | prev_user_of_fpu dd 1 |
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298 | endg |
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1 | ha | 299 | |
300 | |||
301 | writehex: |
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302 | pusha |
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8 | poddubny | 303 | |
304 | mov edi, [write_error_to] |
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305 | mov esi, 8 |
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306 | @@: |
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307 | mov ecx, eax |
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308 | and ecx, 0xf |
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1 | ha | 309 | |
8 | poddubny | 310 | mov cl,[ecx+hexletters] |
1 | ha | 311 | mov [edi],cl |
8 | poddubny | 312 | dec edi |
1 | ha | 313 | |
8 | poddubny | 314 | shr eax,4 |
1 | ha | 315 | dec esi |
8 | poddubny | 316 | jnz @b |
1 | ha | 317 | |
318 | popa |
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319 | ret |
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320 | |||
321 | iglobal |
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322 | hexletters db '0123456789ABCDEF' |
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323 | |||
324 | error_interrupt dd -1 |
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325 | |||
326 | process_error db 'K : Process - forced terminate INT: 00000000',13,10,0 |
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327 | process_pid db 'K : Process - forced terminate PID: 00000000',13,10,0 |
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328 | process_eip db 'K : Process - forced terminate EIP: 00000000',13,10,0 |
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329 | system_error db 'K : Kernel error',13,10,0 |
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330 | endg |
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331 | |||
332 | uglobal |
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333 | write_error_to dd 0x0 |
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334 | endg |
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335 | |||
336 | show_error_parameters: |
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337 | |||
338 | mov [write_error_to],process_pid+43 |
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339 | mov eax,[0x3000] |
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340 | shl eax, 5 |
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115 | poddubny | 341 | mov eax,[0x3000+TASKDATA.pid+eax] |
1 | ha | 342 | call writehex |
343 | |||
344 | mov [write_error_to],process_error+43 |
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345 | mov eax,[error_interrupt] |
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346 | call writehex |
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16 | poddubny | 347 | |
348 | cmp dword [esp+4+4], os_code ; CS |
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349 | jnz @f |
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10 | poddubny | 350 | mov esi,system_error |
351 | call sys_msg_board_str |
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352 | @@: |
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16 | poddubny | 353 | mov eax, [esp+4] ; EIP |
10 | poddubny | 354 | |
1 | ha | 355 | mov [write_error_to],process_eip+43 |
356 | call writehex |
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357 | |||
358 | mov esi,process_error |
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359 | call sys_msg_board_str |
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360 | |||
361 | mov esi,process_pid |
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362 | call sys_msg_board_str |
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363 | |||
364 | mov esi,process_eip |
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365 | call sys_msg_board_str |
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366 | |||
367 | ret |
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368 | |||
369 | |||
370 | |||
6 | poddubny | 371 | ; irq1 -> hid/keyboard.inc |
1 | ha | 372 | |
373 | |||
10 | poddubny | 374 | macro irqh [num] |
8 | poddubny | 375 | { |
376 | forward |
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377 | p_irq#num : |
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40 | halyavin | 378 | save_ring3_context |
8 | poddubny | 379 | mov edi, num |
380 | jmp irq_c |
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381 | } |
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1 | ha | 382 | |
33 | mario79 | 383 | irqh 2,5,7,8,9,10,11,14,15 |
1 | ha | 384 | |
8 | poddubny | 385 | irq_c: |
386 | mov ax, os_data |
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387 | mov ds, ax |
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388 | mov es, ax |
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1 | ha | 389 | call irqhandler |
40 | halyavin | 390 | restore_ring3_context |
8 | poddubny | 391 | iret |
11 | poddubny | 392 | |
393 | p_irq6: |
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40 | halyavin | 394 | save_ring3_context |
11 | poddubny | 395 | mov ax, os_data |
396 | mov ds, ax |
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397 | mov es, ax |
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398 | call fdc_irq |
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33 | mario79 | 399 | call ready_for_next_irq |
40 | halyavin | 400 | restore_ring3_context |
33 | mario79 | 401 | iret |
15 | poddubny | 402 | |
33 | mario79 | 403 | p_irq3: |
40 | halyavin | 404 | save_ring3_context |
33 | mario79 | 405 | mov ax, os_data |
406 | mov ds, ax |
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407 | mov es, ax |
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58 | mario79 | 408 | cmp [com2_mouse_detected],0 |
409 | je old_irq3_handler |
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33 | mario79 | 410 | call check_mouse_data_com2 |
58 | mario79 | 411 | jmp p_irq3_1 |
412 | old_irq3_handler: |
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413 | mov edi,3 |
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414 | call irqhandler |
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415 | p_irq3_1: |
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40 | halyavin | 416 | restore_ring3_context |
33 | mario79 | 417 | iret |
15 | poddubny | 418 | |
33 | mario79 | 419 | p_irq4: |
40 | halyavin | 420 | save_ring3_context |
33 | mario79 | 421 | mov ax, os_data |
422 | mov ds, ax |
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423 | mov es, ax |
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58 | mario79 | 424 | cmp [com1_mouse_detected],0 |
425 | je old_irq4_handler |
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33 | mario79 | 426 | call check_mouse_data_com1 |
58 | mario79 | 427 | jmp p_irq4_1 |
428 | old_irq4_handler: |
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429 | mov edi,4 |
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430 | call irqhandler |
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431 | p_irq4_1: |
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40 | halyavin | 432 | restore_ring3_context |
11 | poddubny | 433 | iret |
434 | |||
33 | mario79 | 435 | p_irq12: |
40 | halyavin | 436 | save_ring3_context |
33 | mario79 | 437 | mov ax, os_data |
438 | mov ds, ax |
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439 | mov es, ax |
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440 | call check_mouse_data_ps2 |
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40 | halyavin | 441 | restore_ring3_context |
33 | mario79 | 442 | iret |
443 | |||
444 | ready_for_next_irq: |
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445 | mov [check_idle_semaphore],5 |
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446 | mov al, 0x20 |
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447 | out 0x20, al |
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448 | ret |
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449 | |||
450 | ready_for_next_irq_1: |
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451 | mov [check_idle_semaphore],5 |
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452 | mov al, 0x20 |
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453 | out 0xa0,al |
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454 | out 0x20, al |
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455 | ret |
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456 | |||
6 | poddubny | 457 | irqD: |
40 | halyavin | 458 | save_ring3_context |
8 | poddubny | 459 | mov ax, os_data |
460 | mov ds, ax |
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461 | mov es, ax |
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462 | |||
6 | poddubny | 463 | mov dx,0xf0 |
464 | mov al,0 |
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465 | out dx,al |
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1 | ha | 466 | |
6 | poddubny | 467 | mov dx,0xa0 |
468 | mov al,0x20 |
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469 | out dx,al |
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470 | mov dx,0x20 |
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40 | halyavin | 471 | out dx,al |
472 | |||
473 | restore_ring3_context |
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6 | poddubny | 474 | |
8 | poddubny | 475 | iret |
1 | ha | 476 | |
477 | |||
478 | irqhandler: |
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479 | |||
480 | push edi |
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481 | |||
482 | mov esi,edi ; 1 |
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483 | shl esi,6 ; 1 |
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484 | add esi,irq00read ; 1 |
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485 | shl edi,12 ; 1 |
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486 | add edi,0x2E0000 |
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75 | diamond | 487 | mov ecx,16 |
1 | ha | 488 | |
489 | mov [check_idle_semaphore],5 |
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490 | |||
491 | irqnewread: |
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75 | diamond | 492 | dec ecx |
493 | js irqover |
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1 | ha | 494 | |
495 | mov dx,[esi] ; 2+ |
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496 | |||
497 | cmp dx,0 ; 1 |
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498 | jz irqover |
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499 | cmp [esi+3],byte 1 ; 2 ; byte read |
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500 | jne noirqbyte ; 4-11 |
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501 | |||
502 | in al,dx |
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503 | |||
504 | mov edx,[edi] |
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505 | cmp edx,4000 |
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506 | je irqfull |
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507 | mov ebx,edi |
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508 | add ebx,0x10 |
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509 | add ebx,edx |
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510 | mov [ebx],al |
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511 | inc edx |
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512 | mov [edi],edx |
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513 | |||
514 | add esi,4 |
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515 | jmp irqnewread |
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516 | |||
517 | noirqbyte: |
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518 | |||
519 | |||
520 | cmp [esi+3],byte 2 ; word read |
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521 | jne noirqword |
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522 | |||
523 | in ax,dx |
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524 | |||
525 | mov edx,[edi] |
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526 | cmp edx,4000 |
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527 | je irqfull |
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528 | mov ebx,edi |
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529 | add ebx,0x10 |
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530 | add ebx,edx |
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531 | mov [ebx],ax |
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532 | add edx,2 |
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533 | mov [edi],edx |
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534 | add esi,4 |
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535 | jmp irqnewread |
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536 | |||
537 | noirqword: |
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538 | irqfull: |
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539 | irqover: |
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540 | |||
541 | mov al,0x20 ; ready for next irq |
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542 | out 0x20,al |
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543 | |||
544 | pop ebx |
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545 | cmp ebx,7 |
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546 | jbe noa0 |
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547 | out 0xa0,al |
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548 | noa0: |
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549 | |||
550 | ret |
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551 | |||
552 | |||
553 | |||
554 | set_application_table_status: |
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555 | push eax |
||
556 | |||
557 | mov eax,[0x3000] |
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558 | shl eax, 5 |
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115 | poddubny | 559 | add eax,0x3000+TASKDATA.pid |
1 | ha | 560 | mov eax,[eax] |
561 | |||
562 | mov [application_table_status],eax |
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563 | |||
564 | pop eax |
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565 | |||
566 | ret |
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567 | |||
568 | |||
569 | clear_application_table_status: |
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570 | push eax |
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571 | |||
572 | mov eax,[0x3000] |
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573 | shl eax, 5 |
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115 | poddubny | 574 | add eax,0x3000+TASKDATA.pid |
1 | ha | 575 | mov eax,[eax] |
576 | |||
577 | cmp eax,[application_table_status] |
||
578 | jne apptsl1 |
||
579 | mov [application_table_status],0 |
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580 | apptsl1: |
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581 | |||
582 | pop eax |
||
583 | |||
584 | ret |
||
585 | |||
586 | |||
587 | |||
588 | sys_resize_app_memory: |
||
589 | ; eax = 1 - resize |
||
590 | ; ebx = new amount of memory |
||
591 | |||
592 | cmp eax,1 |
||
4 | poddubny | 593 | jne .no_application_mem_resize |
1 | ha | 594 | |
4 | poddubny | 595 | jmp new_mem_resize ;resize for new type of processes |
1 | ha | 596 | |
597 | |||
4 | poddubny | 598 | .no_application_mem_resize: |
1 | ha | 599 | |
600 | ret |
||
601 | |||
602 | |||
603 | |||
604 | get_app_params: |
||
605 | |||
606 | push eax |
||
607 | |||
608 | cmp [0x90000+6],word '00' |
||
609 | jne no_00_header |
||
610 | |||
611 | mov eax,[0x90000+12] |
||
612 | mov [app_start],eax |
||
613 | mov eax,[0x90000+16] |
||
614 | mov [app_i_end],eax |
||
615 | mov eax,[0x90000+20] |
||
616 | mov [app_mem],eax |
||
133 | diamond | 617 | ; \begin{diamond}[20.08.2006] |
618 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
||
619 | ; fit in allocated memory to prevent kernel faults) |
||
620 | cmp eax,[app_i_end] |
||
621 | jb no_01_header |
||
622 | ; \end{diamond}[20.08.2006] |
||
1 | ha | 623 | shr eax,1 |
624 | sub eax,0x10 |
||
625 | mov [app_esp],eax |
||
626 | mov eax,[0x90000+24] |
||
627 | mov [app_i_param],eax |
||
628 | mov [app_i_icon],dword 0 |
||
629 | |||
630 | pop eax |
||
133 | diamond | 631 | clc |
1 | ha | 632 | ret |
633 | |||
634 | no_00_header: |
||
635 | |||
636 | |||
637 | cmp [0x90000+6],word '01' |
||
638 | jne no_01_header |
||
639 | |||
640 | mov eax,[0x90000+12] |
||
641 | mov [app_start],eax |
||
642 | mov eax,[0x90000+16] |
||
643 | mov [app_i_end],eax |
||
644 | mov eax,[0x90000+20] |
||
645 | mov [app_mem],eax |
||
133 | diamond | 646 | ; \begin{diamond}[20.08.2006] |
647 | cmp eax,[app_i_end] |
||
648 | jb no_01_header |
||
649 | ; \end{diamond}[20.08.2006] |
||
1 | ha | 650 | mov eax,[0x90000+24] |
651 | mov [app_esp],eax |
||
652 | mov eax,[0x90000+28] |
||
653 | mov [app_i_param],eax |
||
654 | mov eax,[0x90000+32] |
||
655 | mov [app_i_icon],eax |
||
656 | |||
657 | pop eax |
||
133 | diamond | 658 | clc |
1 | ha | 659 | ret |
660 | |||
661 | no_01_header: |
||
662 | |||
663 | pop eax |
||
133 | diamond | 664 | stc |
1 | ha | 665 | ret |
666 | |||
667 | |||
668 | uglobal |
||
669 | new_process_place dd 0x0 |
||
670 | app_start dd 0x0 |
||
671 | app_i_end dd 0x0 |
||
672 | app_mem dd 0x0 |
||
673 | app_esp dd 0x0 |
||
674 | app_i_param dd 0x0 |
||
675 | app_i_icon dd 0x0 |
||
115 | poddubny | 676 | ;app_mem_pos dd 0x0 |
5 | halyavin | 677 | appl_path dd 0x0 |
678 | appl_path_size dd 0x0 |
||
1 | ha | 679 | endg |
680 | |||
681 | |||
682 | sys_threads: |
||
683 | |||
684 | ; eax=1 create thread |
||
685 | ; |
||
686 | ; ebx=thread start |
||
687 | ; ecx=thread stack value |
||
688 | ; |
||
689 | ; on return : eax = pid |
||
690 | jmp new_sys_threads |
||
691 | |||
692 | iglobal |
||
693 | process_terminating db 'K : Process - terminating',13,10,0 |
||
694 | process_terminated db 'K : Process - done',13,10,0 |
||
695 | endg |
||
696 | |||
697 | |||
698 | terminate: ; terminate application |
||
699 | push esi |
||
700 | mov esi,process_terminating |
||
701 | call sys_msg_board_str |
||
702 | pop esi |
||
703 | |||
40 | halyavin | 704 | @@: |
1 | ha | 705 | cli |
706 | cmp [application_table_status],0 |
||
707 | je term9 |
||
708 | sti |
||
709 | call change_task |
||
40 | halyavin | 710 | jmp @b |
1 | ha | 711 | term9: |
712 | |||
713 | call set_application_table_status |
||
714 | |||
715 | mov eax,esi |
||
716 | call dispose_app_cr3_table |
||
717 | |||
718 | cmp [prev_user_of_fpu],esi ; if user fpu last -> fpu user = 1 |
||
719 | jne fpu_ok_1 |
||
720 | mov [prev_user_of_fpu],1 |
||
721 | fpu_ok_1: |
||
722 | |||
723 | mov [0xf400],byte 0 ; empty keyboard buffer |
||
724 | mov [0xf500],byte 0 ; empty button buffer |
||
725 | |||
726 | |||
92 | diamond | 727 | ; remove defined hotkeys |
728 | mov eax, hotkey_list |
||
729 | .loop: |
||
730 | cmp [eax+8], esi |
||
731 | jnz .cont |
||
732 | mov ecx, [eax] |
||
733 | jecxz @f |
||
734 | push dword [eax+12] |
||
735 | pop dword [ecx+12] |
||
736 | @@: |
||
737 | mov ecx, [eax+12] |
||
738 | push dword [eax] |
||
739 | pop dword [ecx] |
||
740 | xor ecx, ecx |
||
741 | mov [eax], ecx |
||
742 | mov [eax+4], ecx |
||
743 | mov [eax+8], ecx |
||
744 | mov [eax+12], ecx |
||
745 | .cont: |
||
746 | add eax, 16 |
||
747 | cmp eax, hotkey_list+256*16 |
||
748 | jb .loop |
||
749 | ; remove hotkeys in buffer |
||
750 | mov eax, hotkey_buffer |
||
751 | .loop2: |
||
752 | cmp [eax], esi |
||
753 | jnz .cont2 |
||
754 | and dword [eax+4], 0 |
||
755 | and dword [eax], 0 |
||
756 | .cont2: |
||
757 | add eax, 8 |
||
758 | cmp eax, hotkey_buffer+120*8 |
||
759 | jb .loop2 |
||
760 | |||
1 | ha | 761 | mov ecx,esi ; remove buttons |
762 | bnewba2: |
||
763 | mov edi,[0xfe88] |
||
764 | mov eax,edi |
||
765 | cld |
||
766 | movzx ebx,word [edi] |
||
767 | inc bx |
||
768 | bnewba: |
||
769 | dec bx |
||
770 | jz bnmba |
||
771 | add eax,0x10 |
||
772 | cmp cx,[eax] |
||
773 | jnz bnewba |
||
774 | pusha |
||
775 | mov ecx,ebx |
||
776 | inc ecx |
||
777 | shl ecx,4 |
||
778 | mov ebx,eax |
||
779 | add eax,0x10 |
||
780 | call memmove |
||
781 | dec dword [edi] |
||
782 | popa |
||
783 | jmp bnewba2 |
||
784 | bnmba: |
||
785 | |||
786 | pusha ; save window coordinates for window restoring |
||
787 | cld |
||
788 | shl esi,5 |
||
789 | add esi,window_data |
||
114 | mikedld | 790 | mov eax,[esi+WDATA.box.left] |
102 | poddubny | 791 | mov [dlx],eax |
114 | mikedld | 792 | add eax,[esi+WDATA.box.width] |
102 | poddubny | 793 | mov [dlxe],eax |
114 | mikedld | 794 | mov eax,[esi+WDATA.box.top] |
102 | poddubny | 795 | mov [dly],eax |
114 | mikedld | 796 | add eax,[esi+WDATA.box.height] |
102 | poddubny | 797 | mov [dlye],eax |
1 | ha | 798 | |
142 | diamond | 799 | xor eax, eax |
800 | mov [esi+WDATA.box.left],eax |
||
801 | mov [esi+WDATA.box.width],eax |
||
114 | mikedld | 802 | mov [esi+WDATA.box.top],eax |
142 | diamond | 803 | mov [esi+WDATA.box.height],eax |
115 | poddubny | 804 | mov [esi+WDATA.cl_workarea],eax |
805 | mov [esi+WDATA.cl_titlebar],eax |
||
806 | mov [esi+WDATA.cl_frames],eax |
||
807 | mov dword [esi+WDATA.reserved],eax ; clear all flags: wstate, redraw, wdrawn |
||
102 | poddubny | 808 | lea edi, [esi-window_data+draw_data] |
1 | ha | 809 | mov ecx,32/4 |
810 | rep stosd |
||
811 | popa |
||
812 | |||
40 | halyavin | 813 | ; debuggee test |
814 | pushad |
||
815 | mov edi, esi |
||
816 | shl edi, 5 |
||
115 | poddubny | 817 | mov eax, [0x80000+edi*8+APPDATA.debugger_slot] |
40 | halyavin | 818 | test eax, eax |
819 | jz .nodebug |
||
820 | push 8 |
||
821 | pop ecx |
||
115 | poddubny | 822 | push dword [0x3000+edi+TASKDATA.pid] ; PID |
40 | halyavin | 823 | push 2 |
824 | call debugger_notify |
||
825 | pop ecx |
||
826 | pop ecx |
||
827 | .nodebug: |
||
828 | popad |
||
829 | |||
1 | ha | 830 | pusha ; at 0x80000+ |
831 | mov edi,esi |
||
832 | shl edi,8 |
||
833 | add edi,0x80000 |
||
834 | mov ecx,256/4 |
||
835 | xor eax, eax |
||
836 | rep stosd |
||
837 | popa |
||
838 | |||
839 | pusha ; name to spaces |
||
840 | mov edi,esi |
||
841 | shl edi,8 |
||
115 | poddubny | 842 | add edi,0x80000+APPDATA.app_name |
1 | ha | 843 | mov ecx,11 |
844 | mov eax,' ' |
||
845 | rep stosb |
||
846 | popa |
||
847 | |||
848 | |||
102 | poddubny | 849 | ; activate window |
850 | movzx eax, word [0xC000 + esi*2] |
||
851 | cmp eax, [0x3004] |
||
852 | jne .dont_activate |
||
853 | pushad |
||
854 | .check_next_window: |
||
855 | dec eax |
||
856 | cmp eax, 1 |
||
857 | jbe .nothing_to_activate |
||
858 | lea esi, [0xc400+eax*2] |
||
859 | movzx edi, word [esi] ; edi = process |
||
860 | shl edi, 5 |
||
115 | poddubny | 861 | cmp [0x3000 + edi + TASKDATA.state], byte 9 ; skip dead slots |
102 | poddubny | 862 | je .check_next_window |
863 | add edi, window_data |
||
154 | diamond | 864 | ; \begin{diamond}[19.09.2006] |
865 | ; skip minimized windows |
||
866 | test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED |
||
867 | jnz .check_next_window |
||
868 | ; \end{diamond} |
||
102 | poddubny | 869 | call waredraw |
870 | .nothing_to_activate: |
||
871 | popad |
||
872 | .dont_activate: |
||
873 | |||
92 | diamond | 874 | push esi ; remove hd1 & cd & flp reservation |
875 | shl esi, 5 |
||
118 | diamond | 876 | mov esi, [esi+0x3000+TASKDATA.pid] |
92 | diamond | 877 | cmp [hd1_status], esi |
878 | jnz @f |
||
879 | mov [hd1_status], 0 |
||
880 | @@: |
||
881 | cmp [cd_status], esi |
||
882 | jnz @f |
||
883 | mov [cd_status], 0 |
||
884 | @@: |
||
885 | cmp [flp_status], esi |
||
886 | jnz @f |
||
887 | mov [flp_status], 0 |
||
888 | @@: |
||
889 | pop esi |
||
1 | ha | 890 | |
891 | pusha ; remove all irq reservations |
||
92 | diamond | 892 | mov eax,esi |
115 | poddubny | 893 | shl eax, 5 |
118 | diamond | 894 | mov eax,[eax+0x3000+TASKDATA.pid] |
1 | ha | 895 | mov edi,irq_owner |
896 | mov ecx,16 |
||
897 | newirqfree: |
||
92 | diamond | 898 | scasd |
1 | ha | 899 | jne nofreeirq |
92 | diamond | 900 | mov [edi-4],dword 0 |
1 | ha | 901 | nofreeirq: |
902 | loop newirqfree |
||
903 | popa |
||
904 | |||
905 | |||
906 | pusha ; remove all port reservations |
||
907 | mov edx,esi |
||
115 | poddubny | 908 | shl edx, 5 |
1 | ha | 909 | add edx,0x3000 |
115 | poddubny | 910 | mov edx,[edx+TASKDATA.pid] |
1 | ha | 911 | |
912 | rmpr0: |
||
913 | |||
914 | mov esi,[0x2d0000] |
||
915 | |||
916 | cmp esi,0 |
||
917 | je rmpr9 |
||
918 | |||
919 | rmpr3: |
||
920 | |||
921 | mov edi,esi |
||
922 | shl edi,4 |
||
923 | add edi,0x2d0000 |
||
924 | |||
925 | cmp edx,[edi] |
||
926 | je rmpr4 |
||
927 | |||
928 | dec esi |
||
929 | jnz rmpr3 |
||
930 | |||
931 | jmp rmpr9 |
||
932 | |||
933 | rmpr4: |
||
934 | |||
935 | mov ecx,256 |
||
936 | sub ecx,esi |
||
937 | shl ecx,4 |
||
938 | |||
939 | mov esi,edi |
||
940 | add esi,16 |
||
941 | cld |
||
942 | rep movsb |
||
943 | |||
944 | dec dword [0x2d0000] |
||
945 | |||
946 | jmp rmpr0 |
||
947 | |||
948 | rmpr9: |
||
949 | |||
950 | popa |
||
951 | mov edi,esi ; do not run this process slot |
||
6 | poddubny | 952 | shl edi, 5 |
115 | poddubny | 953 | mov [edi+0x3000 + TASKDATA.state],byte 9 |
40 | halyavin | 954 | ; debugger test - terminate all debuggees |
955 | mov eax, 2 |
||
115 | poddubny | 956 | mov ecx, 0x80000+2*0x100+APPDATA.debugger_slot |
40 | halyavin | 957 | .xd0: |
958 | cmp eax, [0x3004] |
||
959 | ja .xd1 |
||
960 | cmp dword [ecx], esi |
||
961 | jnz @f |
||
962 | and dword [ecx], 0 |
||
963 | pushad |
||
964 | xchg eax, ebx |
||
965 | mov eax, 2 |
||
966 | call sys_system |
||
967 | popad |
||
968 | @@: |
||
969 | inc eax |
||
970 | add ecx, 0x100 |
||
971 | jmp .xd0 |
||
972 | .xd1: |
||
1 | ha | 973 | ; call systest |
974 | sti ; .. and life goes on |
||
975 | |||
112 | poddubny | 976 | mov eax, [dlx] |
977 | mov ebx, [dly] |
||
978 | mov ecx, [dlxe] |
||
979 | mov edx, [dlye] |
||
1 | ha | 980 | call calculatescreen |
981 | xor eax, eax |
||
982 | xor esi, esi |
||
983 | call redrawscreen |
||
984 | |||
985 | mov [0xfff4],byte 0 ; no mouse background |
||
986 | mov [0xfff5],byte 0 ; draw mouse |
||
987 | |||
988 | mov [application_table_status],0 |
||
989 | mov esi,process_terminated |
||
990 | call sys_msg_board_str |
||
991 | |||
992 | ret |
||
993 | |||
994 | iglobal |
||
995 | boot_sched_1 db 'Building gdt tss pointer',0 |
||
8 | poddubny | 996 | boot_sched_2 db 'Building IDT table',0 |
1 | ha | 997 | endg |
998 | |||
999 | |||
1000 | build_scheduler: |
||
1001 | |||
1002 | mov esi,boot_sched_1 |
||
1003 | call boot_log |
||
1004 | call build_process_gdt_tss_pointer |
||
1005 | |||
8 | poddubny | 1006 | mov esi,boot_sched_2 |
1 | ha | 1007 | call boot_log |
1008 | call build_interrupt_table |
||
1009 | |||
1010 | ret |
||
1011 |