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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 | |||
38 | app_code_l: |
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4 | poddubny | 39 | dw ((0x80000000-std_application_base_address) shr 12) and 0xffff |
40 | dw 0 |
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41 | db 0 |
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42 | dw 11010000b*256+11111010b+256*((0x80000000-std_application_base_address) shr 28) |
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43 | db std_application_base_address shr 24 |
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1 | ha | 44 | |
45 | app_data_l: |
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4 | poddubny | 46 | dw (0x80000000-std_application_base_address) shr 12 and 0xffff |
47 | dw 0 |
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48 | db 0 |
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49 | dw 11010000b*256+11110010b+256*((0x80000000-std_application_base_address) shr 28) |
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50 | db std_application_base_address shr 24 |
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1 | ha | 51 | |
8 | poddubny | 52 | graph_data_l: |
1 | ha | 53 | |
8 | poddubny | 54 | dw 0x3ff |
55 | dw 0x0000 |
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56 | db 0x00 |
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57 | dw 11010000b *256 +11110010b |
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58 | db 0x00 |
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59 | |||
60 | tss0_l: |
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61 | times (max_processes+10) dd 0,0 |
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62 | |||
1 | ha | 63 | gdte: |
64 | |||
65 | |||
66 | |||
67 | idtreg: |
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68 | dw 8*0x41-1 |
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69 | dd idts+8 |
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70 | label idts at 0xB100-8 |
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71 | |||
72 | |||
73 | |||
8 | poddubny | 74 | uglobal |
75 | tss_sceleton: |
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76 | l.back dw 0,0 |
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77 | l.esp0 dd 0 |
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78 | l.ss0 dw 0,0 |
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79 | l.esp1 dd 0 |
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80 | l.ss1 dw 0,0 |
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81 | l.esp2 dd 0 |
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82 | l.ss2 dw 0,0 |
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83 | l.cr3 dd 0 |
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84 | l.eip dd 0 |
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85 | l.eflags dd 0 |
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86 | l.eax dd 0 |
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87 | l.ecx dd 0 |
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88 | l.edx dd 0 |
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89 | l.ebx dd 0 |
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90 | l.esp dd 0 |
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91 | l.ebp dd 0 |
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92 | l.esi dd 0 |
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93 | l.edi dd 0 |
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94 | l.es dw 0,0 |
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95 | l.cs dw 0,0 |
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96 | l.ss dw 0,0 |
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97 | l.ds dw 0,0 |
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98 | l.fs dw 0,0 |
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99 | l.gs dw 0,0 |
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100 | l.ldt dw 0,0 |
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101 | l.trap dw 0 |
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102 | l.io dw 0 |
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103 | endg |
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104 | |||
105 | |||
1 | ha | 106 | build_process_gdt_tss_pointer: |
107 | |||
108 | mov ecx,tss_data |
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109 | mov edi,0 |
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110 | setgdtl2: |
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111 | mov [edi+gdts+ tss0 +0], word tss_step |
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112 | mov [edi+gdts+ tss0 +2], cx |
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113 | mov eax,ecx |
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114 | shr eax,16 |
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115 | mov [edi+gdts+ tss0 +4], al |
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116 | mov [edi+gdts+ tss0 +7], ah |
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117 | mov [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b |
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118 | add ecx,tss_step |
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119 | add edi,8 |
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120 | cmp edi,8*(max_processes+5) |
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121 | jbe setgdtl2 |
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122 | |||
123 | ret |
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124 | |||
125 | |||
126 | build_interrupt_table: |
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127 | |||
6 | poddubny | 128 | mov edi, idts+8 |
129 | mov esi, sys_int |
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8 | poddubny | 130 | mov ecx, 0x40 |
6 | poddubny | 131 | @@: |
132 | mov eax, [esi] |
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133 | mov [edi], ax ; lower part of offset |
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134 | mov [edi+2], word os_code ; segment selector |
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135 | shr eax, 16 |
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136 | mov [edi+4], word 10001110b shl 8 ; interrupt descriptor |
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137 | mov [edi+6], ax |
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138 | add esi, 4 |
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139 | add edi, 8 |
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140 | dec ecx |
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141 | jnz @b |
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8 | poddubny | 142 | |
143 | ;mov edi,8*0x40+idts+8 |
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3 | halyavin | 144 | mov [edi + 0], word (i40 and ((1 shl 16)-1)) |
145 | mov [edi + 2], word os_code |
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146 | mov [edi + 4], word 11101110b*256 |
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9 | halyavin | 147 | mov [edi + 6], word (i40 shr 16) |
1 | ha | 148 | |
149 | ret |
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150 | |||
151 | |||
152 | |||
153 | iglobal |
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154 | sys_int: |
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8 | poddubny | 155 | dd e0,e1,e2,e3,e4,e5,e6,e7,e8,e9,e10,e11,e12,e13,e14,e15 |
156 | dd e16,e17 |
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1 | ha | 157 | times 14 dd unknown_interrupt |
158 | |||
159 | dd irq0 ,irq1 ,p_irq2 ,p_irq3 ,p_irq4 ,p_irq5,p_irq6 ,p_irq7 |
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160 | dd p_irq8,p_irq9,p_irq10,p_irq11,p_irq12,irqD ,p_irq14,p_irq15 |
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161 | |||
162 | times 16 dd unknown_interrupt |
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163 | |||
164 | dd i40 |
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165 | endg |
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166 | |||
8 | poddubny | 167 | ; simply return control to interrupted process |
168 | unknown_interrupt: |
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169 | iret |
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1 | ha | 170 | |
8 | poddubny | 171 | macro exceptions [num] |
172 | { |
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173 | forward |
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174 | e#num : |
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175 | mov bl, num |
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176 | jmp exc_c |
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177 | } |
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1 | ha | 178 | |
8 | poddubny | 179 | exceptions 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 |
180 | exc_c: |
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6 | poddubny | 181 | mov ax, os_data |
182 | mov ds, ax |
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183 | mov es, ax |
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1 | ha | 184 | |
8 | poddubny | 185 | movzx eax, bl |
186 | mov [error_interrupt], eax |
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1 | ha | 187 | call show_error_parameters |
8 | poddubny | 188 | |
189 | mov edx, [0x3010] |
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190 | mov [edx + 0xA], byte 4 |
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191 | |||
1 | ha | 192 | jmp change_task |
193 | |||
194 | |||
195 | ;;;;;;;;;;;;;;;;;;;;;;; |
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196 | ;; FPU ERROR HANDLER ;; |
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197 | ;;;;;;;;;;;;;;;;;;;;;;; |
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198 | |||
199 | align 4 |
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8 | poddubny | 200 | e7: |
6 | poddubny | 201 | clts |
202 | |||
203 | push eax |
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204 | push ds es |
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205 | |||
206 | mov ax, os_data |
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207 | mov ds, ax |
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208 | mov es, ax |
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209 | |||
210 | mov eax, [prev_user_of_fpu] |
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211 | shl eax, 8 |
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212 | add eax, 0x80000 + 0x10 |
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213 | fsave [eax] |
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214 | |||
215 | mov eax, [0x3000] |
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216 | mov [prev_user_of_fpu], eax |
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217 | shl eax, 8 |
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218 | add eax, 0x80000 |
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219 | cmp [eax + 0x7f], byte 0 |
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220 | je @f |
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221 | frstor [eax+0x10] |
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222 | @@: |
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223 | mov [eax + 0x7f], byte 1 |
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224 | |||
225 | pop es ds |
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226 | pop eax |
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227 | |||
228 | iret |
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229 | |||
230 | iglobal |
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231 | prev_user_of_fpu dd 1 |
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232 | endg |
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1 | ha | 233 | |
234 | |||
235 | writehex: |
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236 | pusha |
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8 | poddubny | 237 | |
238 | mov edi, [write_error_to] |
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239 | mov esi, 8 |
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240 | @@: |
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241 | mov ecx, eax |
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242 | and ecx, 0xf |
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1 | ha | 243 | |
8 | poddubny | 244 | mov cl,[ecx+hexletters] |
1 | ha | 245 | mov [edi],cl |
8 | poddubny | 246 | dec edi |
1 | ha | 247 | |
8 | poddubny | 248 | shr eax,4 |
1 | ha | 249 | dec esi |
8 | poddubny | 250 | jnz @b |
1 | ha | 251 | |
252 | popa |
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253 | ret |
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254 | |||
255 | iglobal |
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256 | hexletters db '0123456789ABCDEF' |
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257 | |||
258 | error_interrupt dd -1 |
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259 | |||
260 | process_error db 'K : Process - forced terminate INT: 00000000',13,10,0 |
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261 | process_pid db 'K : Process - forced terminate PID: 00000000',13,10,0 |
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262 | process_eip db 'K : Process - forced terminate EIP: 00000000',13,10,0 |
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263 | system_error db 'K : Kernel error',13,10,0 |
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264 | endg |
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265 | |||
266 | uglobal |
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267 | write_error_to dd 0x0 |
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268 | endg |
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269 | |||
270 | show_error_parameters: |
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271 | |||
272 | mov [write_error_to],process_pid+43 |
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273 | mov eax,[0x3000] |
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274 | shl eax, 5 |
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275 | mov eax,[0x3000+4+eax] |
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276 | call writehex |
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277 | |||
278 | mov [write_error_to],process_error+43 |
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279 | mov eax,[error_interrupt] |
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280 | call writehex |
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281 | |||
282 | mov eax,[0x3000] |
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15 | poddubny | 283 | imul eax,tss_step |
284 | cmp [eax+tss_data+l.cs-tss_sceleton], os_code |
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10 | poddubny | 285 | jz @f |
286 | mov esi,system_error |
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287 | call sys_msg_board_str |
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288 | @@: |
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1 | ha | 289 | mov eax,[eax+tss_data+l.eip-tss_sceleton] |
10 | poddubny | 290 | |
1 | ha | 291 | mov [write_error_to],process_eip+43 |
292 | call writehex |
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293 | |||
294 | mov esi,process_error |
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295 | call sys_msg_board_str |
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296 | |||
297 | mov esi,process_pid |
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298 | call sys_msg_board_str |
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299 | |||
300 | mov esi,process_eip |
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301 | call sys_msg_board_str |
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302 | |||
303 | ret |
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304 | |||
305 | |||
306 | |||
6 | poddubny | 307 | ; irq1 -> hid/keyboard.inc |
1 | ha | 308 | |
309 | |||
10 | poddubny | 310 | macro irqh [num] |
8 | poddubny | 311 | { |
312 | forward |
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313 | p_irq#num : |
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314 | pushad |
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315 | mov edi, num |
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316 | jmp irq_c |
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317 | } |
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1 | ha | 318 | |
11 | poddubny | 319 | irqh 2,3,4,5,7,8,9,10,11,12,14,15 |
1 | ha | 320 | |
8 | poddubny | 321 | irq_c: |
322 | push ds es |
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323 | mov ax, os_data |
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324 | mov ds, ax |
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325 | mov es, ax |
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1 | ha | 326 | call irqhandler |
8 | poddubny | 327 | pop es ds |
328 | popad |
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329 | iret |
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11 | poddubny | 330 | |
331 | p_irq6: |
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332 | pushad |
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333 | push ds es |
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334 | mov ax, os_data |
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335 | mov ds, ax |
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336 | mov es, ax |
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337 | call fdc_irq |
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15 | poddubny | 338 | |
339 | mov al,0x20 ; ready for next irq |
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340 | out 0x20,al |
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341 | |||
11 | poddubny | 342 | pop es ds |
343 | popad |
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344 | iret |
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345 | |||
6 | poddubny | 346 | irqD: |
8 | poddubny | 347 | pushad |
348 | push ds es |
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349 | mov ax, os_data |
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350 | mov ds, ax |
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351 | mov es, ax |
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352 | |||
6 | poddubny | 353 | mov dx,0xf0 |
354 | mov al,0 |
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355 | out dx,al |
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1 | ha | 356 | |
6 | poddubny | 357 | mov dx,0xa0 |
358 | mov al,0x20 |
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359 | out dx,al |
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360 | mov dx,0x20 |
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8 | poddubny | 361 | out dx,al |
6 | poddubny | 362 | |
8 | poddubny | 363 | pop es ds |
364 | popad |
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365 | iret |
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1 | ha | 366 | |
367 | |||
368 | irqhandler: |
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369 | |||
370 | push edi |
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371 | |||
372 | mov esi,edi ; 1 |
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373 | shl esi,6 ; 1 |
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374 | add esi,irq00read ; 1 |
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375 | shl edi,12 ; 1 |
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376 | add edi,0x2E0000 |
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377 | |||
378 | mov [check_idle_semaphore],5 |
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379 | |||
380 | irqnewread: |
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381 | |||
382 | mov dx,[esi] ; 2+ |
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383 | |||
384 | cmp dx,0 ; 1 |
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385 | jz irqover |
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386 | cmp [esi+3],byte 1 ; 2 ; byte read |
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387 | jne noirqbyte ; 4-11 |
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388 | |||
389 | in al,dx |
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390 | |||
391 | mov edx,[edi] |
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392 | cmp edx,4000 |
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393 | je irqfull |
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394 | mov ebx,edi |
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395 | add ebx,0x10 |
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396 | add ebx,edx |
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397 | mov [ebx],al |
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398 | inc edx |
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399 | mov [edi],edx |
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400 | |||
401 | add esi,4 |
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402 | jmp irqnewread |
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403 | |||
404 | noirqbyte: |
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405 | |||
406 | |||
407 | cmp [esi+3],byte 2 ; word read |
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408 | jne noirqword |
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409 | |||
410 | in ax,dx |
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411 | |||
412 | mov edx,[edi] |
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413 | cmp edx,4000 |
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414 | je irqfull |
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415 | mov ebx,edi |
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416 | add ebx,0x10 |
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417 | add ebx,edx |
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418 | mov [ebx],ax |
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419 | add edx,2 |
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420 | mov [edi],edx |
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421 | add esi,4 |
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422 | jmp irqnewread |
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423 | |||
424 | noirqword: |
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425 | irqfull: |
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426 | irqover: |
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427 | |||
428 | mov al,0x20 ; ready for next irq |
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429 | out 0x20,al |
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430 | |||
431 | pop ebx |
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432 | cmp ebx,7 |
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433 | jbe noa0 |
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434 | out 0xa0,al |
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435 | noa0: |
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436 | |||
437 | ret |
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438 | |||
439 | |||
440 | |||
441 | set_application_table_status: |
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442 | push eax |
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443 | |||
444 | mov eax,[0x3000] |
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445 | shl eax, 5 |
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446 | add eax,0x3000+4 |
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447 | mov eax,[eax] |
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448 | |||
449 | mov [application_table_status],eax |
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450 | |||
451 | pop eax |
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452 | |||
453 | ret |
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454 | |||
455 | |||
456 | clear_application_table_status: |
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457 | push eax |
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458 | |||
459 | mov eax,[0x3000] |
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460 | shl eax, 5 |
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461 | add eax,0x3000+4 |
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462 | mov eax,[eax] |
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463 | |||
464 | cmp eax,[application_table_status] |
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465 | jne apptsl1 |
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466 | mov [application_table_status],0 |
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467 | apptsl1: |
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468 | |||
469 | pop eax |
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470 | |||
471 | ret |
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472 | |||
473 | |||
474 | |||
475 | sys_resize_app_memory: |
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476 | ; eax = 1 - resize |
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477 | ; ebx = new amount of memory |
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478 | |||
479 | cmp eax,1 |
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4 | poddubny | 480 | jne .no_application_mem_resize |
1 | ha | 481 | |
4 | poddubny | 482 | jmp new_mem_resize ;resize for new type of processes |
1 | ha | 483 | |
484 | |||
4 | poddubny | 485 | .no_application_mem_resize: |
1 | ha | 486 | |
487 | ret |
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488 | |||
489 | |||
490 | |||
491 | get_app_params: |
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492 | |||
493 | push eax |
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494 | |||
495 | cmp [0x90000+6],word '00' |
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496 | jne no_00_header |
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497 | |||
498 | mov eax,[0x90000+12] |
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499 | mov [app_start],eax |
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500 | mov eax,[0x90000+16] |
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501 | mov [app_i_end],eax |
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502 | mov eax,[0x90000+20] |
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503 | mov [app_mem],eax |
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504 | shr eax,1 |
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505 | sub eax,0x10 |
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506 | mov [app_esp],eax |
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507 | mov eax,[0x90000+24] |
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508 | mov [app_i_param],eax |
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509 | mov [app_i_icon],dword 0 |
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510 | |||
511 | pop eax |
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512 | mov esi,1 |
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513 | ret |
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514 | |||
515 | no_00_header: |
||
516 | |||
517 | |||
518 | cmp [0x90000+6],word '01' |
||
519 | jne no_01_header |
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520 | |||
521 | mov eax,[0x90000+12] |
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522 | mov [app_start],eax |
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523 | mov eax,[0x90000+16] |
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524 | mov [app_i_end],eax |
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525 | mov eax,[0x90000+20] |
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526 | mov [app_mem],eax |
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527 | mov eax,[0x90000+24] |
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528 | mov [app_esp],eax |
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529 | mov eax,[0x90000+28] |
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530 | mov [app_i_param],eax |
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531 | mov eax,[0x90000+32] |
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532 | mov [app_i_icon],eax |
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533 | |||
534 | pop eax |
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535 | mov esi,1 |
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536 | ret |
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537 | |||
538 | no_01_header: |
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539 | |||
540 | pop eax |
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541 | mov esi,0 |
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542 | ret |
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543 | |||
544 | |||
545 | start_application_fl: |
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546 | jmp new_start_application_fl |
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547 | |||
548 | ;************************************************************************ |
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549 | |||
550 | start_application_floppy: |
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551 | jmp new_start_application_floppy |
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552 | |||
553 | ;******************************************************************** |
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554 | |||
555 | start_application_hd: |
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556 | jmp new_start_application_hd |
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557 | |||
558 | uglobal |
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559 | new_process_place dd 0x0 |
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560 | app_start dd 0x0 |
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561 | app_i_end dd 0x0 |
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562 | app_mem dd 0x0 |
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563 | app_esp dd 0x0 |
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564 | app_i_param dd 0x0 |
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565 | app_i_icon dd 0x0 |
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566 | app_mem_pos dd 0x0 |
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5 | halyavin | 567 | appl_path dd 0x0 |
568 | appl_path_size dd 0x0 |
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1 | ha | 569 | endg |
570 | |||
571 | iglobal |
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572 | hd_app_string db 'HDAPP ' |
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573 | process_loading db 'K : Process - loading ',13,10,0 |
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574 | process_running db 'K : Process - done',13,10,0 |
||
575 | first_gdt_search dd 0x2 |
||
576 | endg |
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577 | |||
578 | |||
579 | sys_threads: |
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580 | |||
581 | ; eax=1 create thread |
||
582 | ; |
||
583 | ; ebx=thread start |
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584 | ; ecx=thread stack value |
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585 | ; |
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586 | ; on return : eax = pid |
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587 | jmp new_sys_threads |
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588 | |||
589 | iglobal |
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590 | process_terminating db 'K : Process - terminating',13,10,0 |
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591 | process_terminated db 'K : Process - done',13,10,0 |
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592 | endg |
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593 | |||
594 | |||
595 | terminate: ; terminate application |
||
596 | push esi |
||
597 | mov esi,process_terminating |
||
598 | call sys_msg_board_str |
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599 | pop esi |
||
600 | |||
601 | cli |
||
602 | cmp [application_table_status],0 |
||
603 | je term9 |
||
604 | sti |
||
605 | call change_task |
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606 | jmp terminate |
||
607 | term9: |
||
608 | |||
609 | call set_application_table_status |
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610 | |||
611 | mov eax,esi |
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612 | call dispose_app_cr3_table |
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613 | |||
614 | cmp [prev_user_of_fpu],esi ; if user fpu last -> fpu user = 1 |
||
615 | jne fpu_ok_1 |
||
616 | mov [prev_user_of_fpu],1 |
||
617 | fpu_ok_1: |
||
618 | |||
619 | mov [0xf400],byte 0 ; empty keyboard buffer |
||
620 | mov [0xf500],byte 0 ; empty button buffer |
||
621 | |||
622 | |||
623 | mov ecx,esi ; remove buttons |
||
624 | bnewba2: |
||
625 | mov edi,[0xfe88] |
||
626 | mov eax,edi |
||
627 | cld |
||
628 | movzx ebx,word [edi] |
||
629 | inc bx |
||
630 | bnewba: |
||
631 | dec bx |
||
632 | jz bnmba |
||
633 | add eax,0x10 |
||
634 | cmp cx,[eax] |
||
635 | jnz bnewba |
||
636 | pusha |
||
637 | mov ecx,ebx |
||
638 | inc ecx |
||
639 | shl ecx,4 |
||
640 | mov ebx,eax |
||
641 | add eax,0x10 |
||
642 | call memmove |
||
643 | dec dword [edi] |
||
644 | popa |
||
645 | jmp bnewba2 |
||
646 | bnmba: |
||
647 | |||
648 | pusha ; save window coordinates for window restoring |
||
649 | cld |
||
650 | shl esi,5 |
||
651 | add esi,window_data |
||
652 | mov ax,[esi+0] |
||
653 | mov word [dlx],ax |
||
654 | mov bx,[esi+8] |
||
655 | add ax,bx |
||
656 | mov word [dlxe],ax |
||
657 | mov ax,[esi+4] |
||
658 | mov word [dly],ax |
||
659 | mov bx,[esi+12] |
||
660 | add ax,bx |
||
661 | mov word [dlye],ax |
||
662 | mov [esi+0],word 0 |
||
663 | mov [esi+8],word 5 |
||
664 | mov ax,[0xFE04] |
||
665 | mov [esi+4],ax |
||
666 | mov [esi+12],word 5 |
||
667 | xor eax, eax |
||
668 | mov [esi+16],eax;dword 0 |
||
669 | mov [esi+20],eax;dword 0 |
||
670 | mov [esi+24],eax;dword 0 |
||
671 | mov [esi+28],eax;dword 0 |
||
672 | popa |
||
673 | |||
674 | pusha |
||
675 | mov edi,esi |
||
676 | shl edi,5 |
||
677 | add edi,window_data |
||
678 | mov ecx,32/4 |
||
679 | xor eax, eax |
||
680 | ; cld |
||
681 | rep stosd |
||
682 | |||
683 | mov eax,[0xFE04] ; set window to start from maxy+1 |
||
684 | add eax,2 |
||
685 | |||
686 | mov edi,esi |
||
687 | shl edi,5 |
||
688 | add edi,window_data |
||
689 | mov [edi+4],eax |
||
690 | |||
691 | popa |
||
692 | |||
693 | pusha |
||
694 | mov edi,esi |
||
695 | shl edi,5 |
||
696 | add edi,draw_data |
||
697 | mov ecx,32/4 |
||
698 | xor eax, eax |
||
699 | ; cld |
||
700 | rep stosd |
||
701 | popa |
||
702 | |||
703 | pusha ; at 0x80000+ |
||
704 | mov edi,esi |
||
705 | shl edi,8 |
||
706 | add edi,0x80000 |
||
707 | mov ecx,256/4 |
||
708 | xor eax, eax |
||
709 | ; cld |
||
710 | rep stosd |
||
711 | popa |
||
712 | |||
713 | pusha ; name to spaces |
||
714 | mov edi,esi |
||
715 | shl edi,8 |
||
716 | add edi,0x80000 |
||
717 | mov ecx,11 |
||
718 | mov eax,' ' |
||
719 | ; cld |
||
720 | rep stosb |
||
721 | popa |
||
722 | |||
723 | pusha ; C000 --> C400 |
||
724 | mov eax, 0xc000 |
||
725 | mov esi, 0 |
||
726 | nlc40: |
||
727 | add eax, 2 |
||
728 | inc esi |
||
729 | cmp esi, [0x3004] |
||
730 | jae nlc41 |
||
731 | movzx ecx, word [eax] |
||
732 | mov [0xC400 + ecx*2], si |
||
733 | jmp nlc40 |
||
734 | nlc41: |
||
735 | popa |
||
736 | |||
737 | pusha ; remove hd1 reservation |
||
738 | mov edx,esi |
||
739 | shl edx, 5 ;imul edx,0x20 |
||
740 | add edx,0x3000 |
||
741 | mov edx,[edx+4] |
||
742 | cmp [hd1_status],edx |
||
743 | jne no_hd1_s_remove |
||
744 | mov [hd1_status],0 |
||
745 | no_hd1_s_remove: |
||
746 | popa |
||
747 | |||
748 | pusha ; remove all irq reservations |
||
749 | mov edx,esi |
||
750 | shl edx, 5 ;imul edx,0x20 |
||
751 | add edx,0x3000 |
||
752 | mov edx,[edx+4] |
||
753 | mov edi,irq_owner |
||
754 | mov ecx,16 |
||
755 | newirqfree: |
||
756 | cmp [edi],edx |
||
757 | jne nofreeirq |
||
758 | mov [edi],dword 0 |
||
759 | nofreeirq: |
||
760 | add edi,4 |
||
761 | loop newirqfree |
||
762 | popa |
||
763 | |||
764 | |||
765 | pusha ; remove all port reservations |
||
766 | |||
767 | mov edx,esi |
||
768 | shl edx, 5 ;imul edx,0x20 |
||
769 | add edx,0x3000 |
||
770 | mov edx,[edx+4] |
||
771 | |||
772 | rmpr0: |
||
773 | |||
774 | mov esi,[0x2d0000] |
||
775 | |||
776 | cmp esi,0 |
||
777 | je rmpr9 |
||
778 | |||
779 | rmpr3: |
||
780 | |||
781 | mov edi,esi |
||
782 | shl edi,4 |
||
783 | add edi,0x2d0000 |
||
784 | |||
785 | cmp edx,[edi] |
||
786 | je rmpr4 |
||
787 | |||
788 | dec esi |
||
789 | jnz rmpr3 |
||
790 | |||
791 | jmp rmpr9 |
||
792 | |||
793 | rmpr4: |
||
794 | |||
795 | mov ecx,256 |
||
796 | sub ecx,esi |
||
797 | shl ecx,4 |
||
798 | |||
799 | mov esi,edi |
||
800 | add esi,16 |
||
801 | cld |
||
802 | rep movsb |
||
803 | |||
804 | dec dword [0x2d0000] |
||
805 | |||
806 | jmp rmpr0 |
||
807 | |||
808 | rmpr9: |
||
809 | |||
810 | popa |
||
811 | mov edi,esi ; do not run this process slot |
||
6 | poddubny | 812 | shl edi, 5 |
1 | ha | 813 | mov [edi+0x300A],byte 9 |
814 | ; call systest |
||
815 | sti ; .. and life goes on |
||
816 | |||
817 | ; movzx eax,word [dlx] |
||
818 | ; movzx ebx,word [dly] |
||
819 | ; movzx ecx,word [dlxe] |
||
820 | ; movzx edx,word [dlye] |
||
821 | call calculatescreen |
||
822 | |||
823 | xor eax, eax |
||
824 | xor esi, esi |
||
825 | call redrawscreen |
||
826 | |||
827 | mov [0xfff4],byte 0 ; no mouse background |
||
828 | mov [0xfff5],byte 0 ; draw mouse |
||
829 | |||
830 | mov [application_table_status],0 |
||
831 | |||
832 | mov esi,process_terminated |
||
833 | call sys_msg_board_str |
||
834 | |||
835 | ;* start code - fix error redraw for terminate (2) - Mario79 |
||
836 | ; cmp [draw_present],1 |
||
837 | ; je no_draw_background_temp |
||
838 | ; mov [0xfff0],byte 1 |
||
839 | ;no_draw_background_temp: |
||
840 | ; mov [draw_present],0 |
||
841 | ret |
||
842 | ;draw_present db 0 |
||
843 | ;* end code - fix error redraw for terminate (2) - Mario79 |
||
844 | |||
845 | iglobal |
||
846 | boot_sched_1 db 'Building gdt tss pointer',0 |
||
8 | poddubny | 847 | boot_sched_2 db 'Building IDT table',0 |
1 | ha | 848 | endg |
849 | |||
850 | |||
851 | build_scheduler: |
||
852 | |||
853 | mov esi,boot_sched_1 |
||
854 | call boot_log |
||
855 | call build_process_gdt_tss_pointer |
||
856 | |||
8 | poddubny | 857 | mov esi,boot_sched_2 |
1 | ha | 858 | call boot_log |
859 | call build_interrupt_table |
||
860 | |||
861 | ret |
||
862 |