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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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231 | mov eax, [0x80000+eax+0xAC] |
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232 | test eax, eax |
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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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242 | mov [edx + 0xA], byte 4 |
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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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249 | movzx ecx, bl |
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250 | push ecx |
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251 | mov ecx, [0x3010] |
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58 | mario79 | 252 | push dword [ecx+4] ; PID of current process |
40 | halyavin | 253 | push 12 |
254 | pop ecx |
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58 | mario79 | 255 | push 1 ; 1=exception |
40 | halyavin | 256 | call debugger_notify |
257 | pop ecx |
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258 | pop ecx |
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259 | pop ecx |
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260 | mov edx, [0x3010] |
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58 | mario79 | 261 | mov byte [edx+0xA], 1 ; suspended |
40 | halyavin | 262 | call change_task |
263 | restore_ring3_context |
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264 | iretd |
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1 | ha | 265 | |
266 | ;;;;;;;;;;;;;;;;;;;;;;; |
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267 | ;; FPU ERROR HANDLER ;; |
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268 | ;;;;;;;;;;;;;;;;;;;;;;; |
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269 | |||
270 | align 4 |
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8 | poddubny | 271 | e7: |
40 | halyavin | 272 | save_ring3_context |
6 | poddubny | 273 | clts |
274 | mov ax, os_data |
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275 | mov ds, ax |
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276 | mov es, ax |
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277 | |||
278 | mov eax, [prev_user_of_fpu] |
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279 | shl eax, 8 |
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280 | add eax, 0x80000 + 0x10 |
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281 | fsave [eax] |
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282 | |||
283 | mov eax, [0x3000] |
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284 | mov [prev_user_of_fpu], eax |
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285 | shl eax, 8 |
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286 | add eax, 0x80000 |
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287 | cmp [eax + 0x7f], byte 0 |
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288 | je @f |
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289 | frstor [eax+0x10] |
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290 | @@: |
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291 | mov [eax + 0x7f], byte 1 |
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40 | halyavin | 292 | restore_ring3_context |
6 | poddubny | 293 | iret |
294 | |||
295 | iglobal |
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296 | prev_user_of_fpu dd 1 |
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297 | endg |
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1 | ha | 298 | |
299 | |||
300 | writehex: |
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301 | pusha |
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8 | poddubny | 302 | |
303 | mov edi, [write_error_to] |
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304 | mov esi, 8 |
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305 | @@: |
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306 | mov ecx, eax |
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307 | and ecx, 0xf |
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1 | ha | 308 | |
8 | poddubny | 309 | mov cl,[ecx+hexletters] |
1 | ha | 310 | mov [edi],cl |
8 | poddubny | 311 | dec edi |
1 | ha | 312 | |
8 | poddubny | 313 | shr eax,4 |
1 | ha | 314 | dec esi |
8 | poddubny | 315 | jnz @b |
1 | ha | 316 | |
317 | popa |
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318 | ret |
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319 | |||
320 | iglobal |
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321 | hexletters db '0123456789ABCDEF' |
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322 | |||
323 | error_interrupt dd -1 |
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324 | |||
325 | process_error db 'K : Process - forced terminate INT: 00000000',13,10,0 |
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326 | process_pid db 'K : Process - forced terminate PID: 00000000',13,10,0 |
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327 | process_eip db 'K : Process - forced terminate EIP: 00000000',13,10,0 |
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328 | system_error db 'K : Kernel error',13,10,0 |
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329 | endg |
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330 | |||
331 | uglobal |
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332 | write_error_to dd 0x0 |
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333 | endg |
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334 | |||
335 | show_error_parameters: |
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336 | |||
337 | mov [write_error_to],process_pid+43 |
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338 | mov eax,[0x3000] |
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339 | shl eax, 5 |
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340 | mov eax,[0x3000+4+eax] |
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341 | call writehex |
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342 | |||
343 | mov [write_error_to],process_error+43 |
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344 | mov eax,[error_interrupt] |
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345 | call writehex |
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16 | poddubny | 346 | |
347 | cmp dword [esp+4+4], os_code ; CS |
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348 | jnz @f |
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10 | poddubny | 349 | mov esi,system_error |
350 | call sys_msg_board_str |
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351 | @@: |
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16 | poddubny | 352 | mov eax, [esp+4] ; EIP |
10 | poddubny | 353 | |
1 | ha | 354 | mov [write_error_to],process_eip+43 |
355 | call writehex |
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356 | |||
357 | mov esi,process_error |
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358 | call sys_msg_board_str |
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359 | |||
360 | mov esi,process_pid |
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361 | call sys_msg_board_str |
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362 | |||
363 | mov esi,process_eip |
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364 | call sys_msg_board_str |
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365 | |||
366 | ret |
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367 | |||
368 | |||
369 | |||
6 | poddubny | 370 | ; irq1 -> hid/keyboard.inc |
1 | ha | 371 | |
372 | |||
10 | poddubny | 373 | macro irqh [num] |
8 | poddubny | 374 | { |
375 | forward |
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376 | p_irq#num : |
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40 | halyavin | 377 | save_ring3_context |
8 | poddubny | 378 | mov edi, num |
379 | jmp irq_c |
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380 | } |
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1 | ha | 381 | |
33 | mario79 | 382 | irqh 2,5,7,8,9,10,11,14,15 |
1 | ha | 383 | |
8 | poddubny | 384 | irq_c: |
385 | mov ax, os_data |
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386 | mov ds, ax |
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387 | mov es, ax |
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1 | ha | 388 | call irqhandler |
40 | halyavin | 389 | restore_ring3_context |
8 | poddubny | 390 | iret |
11 | poddubny | 391 | |
392 | p_irq6: |
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40 | halyavin | 393 | save_ring3_context |
11 | poddubny | 394 | mov ax, os_data |
395 | mov ds, ax |
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396 | mov es, ax |
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397 | call fdc_irq |
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33 | mario79 | 398 | call ready_for_next_irq |
40 | halyavin | 399 | restore_ring3_context |
33 | mario79 | 400 | iret |
15 | poddubny | 401 | |
33 | mario79 | 402 | p_irq3: |
40 | halyavin | 403 | save_ring3_context |
33 | mario79 | 404 | mov ax, os_data |
405 | mov ds, ax |
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406 | mov es, ax |
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58 | mario79 | 407 | cmp [com2_mouse_detected],0 |
408 | je old_irq3_handler |
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33 | mario79 | 409 | call check_mouse_data_com2 |
58 | mario79 | 410 | jmp p_irq3_1 |
411 | old_irq3_handler: |
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412 | mov edi,3 |
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413 | call irqhandler |
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414 | p_irq3_1: |
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40 | halyavin | 415 | restore_ring3_context |
33 | mario79 | 416 | iret |
15 | poddubny | 417 | |
33 | mario79 | 418 | p_irq4: |
40 | halyavin | 419 | save_ring3_context |
33 | mario79 | 420 | mov ax, os_data |
421 | mov ds, ax |
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422 | mov es, ax |
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58 | mario79 | 423 | cmp [com1_mouse_detected],0 |
424 | je old_irq4_handler |
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33 | mario79 | 425 | call check_mouse_data_com1 |
58 | mario79 | 426 | jmp p_irq4_1 |
427 | old_irq4_handler: |
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428 | mov edi,4 |
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429 | call irqhandler |
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430 | p_irq4_1: |
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40 | halyavin | 431 | restore_ring3_context |
11 | poddubny | 432 | iret |
433 | |||
33 | mario79 | 434 | p_irq12: |
40 | halyavin | 435 | save_ring3_context |
33 | mario79 | 436 | mov ax, os_data |
437 | mov ds, ax |
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438 | mov es, ax |
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439 | call check_mouse_data_ps2 |
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40 | halyavin | 440 | restore_ring3_context |
33 | mario79 | 441 | iret |
442 | |||
443 | ready_for_next_irq: |
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444 | mov [check_idle_semaphore],5 |
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445 | mov al, 0x20 |
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446 | out 0x20, al |
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447 | ret |
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448 | |||
449 | ready_for_next_irq_1: |
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450 | mov [check_idle_semaphore],5 |
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451 | mov al, 0x20 |
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452 | out 0xa0,al |
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453 | out 0x20, al |
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454 | ret |
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455 | |||
6 | poddubny | 456 | irqD: |
40 | halyavin | 457 | save_ring3_context |
8 | poddubny | 458 | mov ax, os_data |
459 | mov ds, ax |
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460 | mov es, ax |
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461 | |||
6 | poddubny | 462 | mov dx,0xf0 |
463 | mov al,0 |
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464 | out dx,al |
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1 | ha | 465 | |
6 | poddubny | 466 | mov dx,0xa0 |
467 | mov al,0x20 |
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468 | out dx,al |
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469 | mov dx,0x20 |
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40 | halyavin | 470 | out dx,al |
471 | |||
472 | restore_ring3_context |
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6 | poddubny | 473 | |
8 | poddubny | 474 | iret |
1 | ha | 475 | |
476 | |||
477 | irqhandler: |
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478 | |||
479 | push edi |
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480 | |||
481 | mov esi,edi ; 1 |
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482 | shl esi,6 ; 1 |
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483 | add esi,irq00read ; 1 |
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484 | shl edi,12 ; 1 |
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485 | add edi,0x2E0000 |
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75 | diamond | 486 | mov ecx,16 |
1 | ha | 487 | |
488 | mov [check_idle_semaphore],5 |
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489 | |||
490 | irqnewread: |
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75 | diamond | 491 | dec ecx |
492 | js irqover |
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1 | ha | 493 | |
494 | mov dx,[esi] ; 2+ |
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495 | |||
496 | cmp dx,0 ; 1 |
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497 | jz irqover |
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498 | cmp [esi+3],byte 1 ; 2 ; byte read |
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499 | jne noirqbyte ; 4-11 |
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500 | |||
501 | in al,dx |
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502 | |||
503 | mov edx,[edi] |
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504 | cmp edx,4000 |
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505 | je irqfull |
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506 | mov ebx,edi |
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507 | add ebx,0x10 |
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508 | add ebx,edx |
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509 | mov [ebx],al |
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510 | inc edx |
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511 | mov [edi],edx |
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512 | |||
513 | add esi,4 |
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514 | jmp irqnewread |
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515 | |||
516 | noirqbyte: |
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517 | |||
518 | |||
519 | cmp [esi+3],byte 2 ; word read |
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520 | jne noirqword |
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521 | |||
522 | in ax,dx |
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523 | |||
524 | mov edx,[edi] |
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525 | cmp edx,4000 |
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526 | je irqfull |
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527 | mov ebx,edi |
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528 | add ebx,0x10 |
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529 | add ebx,edx |
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530 | mov [ebx],ax |
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531 | add edx,2 |
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532 | mov [edi],edx |
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533 | add esi,4 |
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534 | jmp irqnewread |
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535 | |||
536 | noirqword: |
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537 | irqfull: |
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538 | irqover: |
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539 | |||
540 | mov al,0x20 ; ready for next irq |
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541 | out 0x20,al |
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542 | |||
543 | pop ebx |
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544 | cmp ebx,7 |
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545 | jbe noa0 |
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546 | out 0xa0,al |
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547 | noa0: |
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548 | |||
549 | ret |
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550 | |||
551 | |||
552 | |||
553 | set_application_table_status: |
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554 | push eax |
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555 | |||
556 | mov eax,[0x3000] |
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557 | shl eax, 5 |
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558 | add eax,0x3000+4 |
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559 | mov eax,[eax] |
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560 | |||
561 | mov [application_table_status],eax |
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562 | |||
563 | pop eax |
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564 | |||
565 | ret |
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566 | |||
567 | |||
568 | clear_application_table_status: |
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569 | push eax |
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570 | |||
571 | mov eax,[0x3000] |
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572 | shl eax, 5 |
||
573 | add eax,0x3000+4 |
||
574 | mov eax,[eax] |
||
575 | |||
576 | cmp eax,[application_table_status] |
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577 | jne apptsl1 |
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578 | mov [application_table_status],0 |
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579 | apptsl1: |
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580 | |||
581 | pop eax |
||
582 | |||
583 | ret |
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584 | |||
585 | |||
586 | |||
587 | sys_resize_app_memory: |
||
588 | ; eax = 1 - resize |
||
589 | ; ebx = new amount of memory |
||
590 | |||
591 | cmp eax,1 |
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4 | poddubny | 592 | jne .no_application_mem_resize |
1 | ha | 593 | |
4 | poddubny | 594 | jmp new_mem_resize ;resize for new type of processes |
1 | ha | 595 | |
596 | |||
4 | poddubny | 597 | .no_application_mem_resize: |
1 | ha | 598 | |
599 | ret |
||
600 | |||
601 | |||
602 | |||
603 | get_app_params: |
||
604 | |||
605 | push eax |
||
606 | |||
607 | cmp [0x90000+6],word '00' |
||
608 | jne no_00_header |
||
609 | |||
610 | mov eax,[0x90000+12] |
||
611 | mov [app_start],eax |
||
612 | mov eax,[0x90000+16] |
||
613 | mov [app_i_end],eax |
||
614 | mov eax,[0x90000+20] |
||
615 | mov [app_mem],eax |
||
616 | shr eax,1 |
||
617 | sub eax,0x10 |
||
618 | mov [app_esp],eax |
||
619 | mov eax,[0x90000+24] |
||
620 | mov [app_i_param],eax |
||
621 | mov [app_i_icon],dword 0 |
||
622 | |||
623 | pop eax |
||
624 | mov esi,1 |
||
625 | ret |
||
626 | |||
627 | no_00_header: |
||
628 | |||
629 | |||
630 | cmp [0x90000+6],word '01' |
||
631 | jne no_01_header |
||
632 | |||
633 | mov eax,[0x90000+12] |
||
634 | mov [app_start],eax |
||
635 | mov eax,[0x90000+16] |
||
636 | mov [app_i_end],eax |
||
637 | mov eax,[0x90000+20] |
||
638 | mov [app_mem],eax |
||
639 | mov eax,[0x90000+24] |
||
640 | mov [app_esp],eax |
||
641 | mov eax,[0x90000+28] |
||
642 | mov [app_i_param],eax |
||
643 | mov eax,[0x90000+32] |
||
644 | mov [app_i_icon],eax |
||
645 | |||
646 | pop eax |
||
647 | mov esi,1 |
||
648 | ret |
||
649 | |||
650 | no_01_header: |
||
651 | |||
652 | pop eax |
||
653 | mov esi,0 |
||
654 | ret |
||
655 | |||
656 | |||
657 | start_application_fl: |
||
658 | jmp new_start_application_fl |
||
659 | |||
660 | ;************************************************************************ |
||
661 | |||
662 | start_application_floppy: |
||
663 | jmp new_start_application_floppy |
||
664 | |||
665 | ;******************************************************************** |
||
666 | |||
667 | start_application_hd: |
||
668 | jmp new_start_application_hd |
||
669 | |||
670 | uglobal |
||
671 | new_process_place dd 0x0 |
||
672 | app_start dd 0x0 |
||
673 | app_i_end dd 0x0 |
||
674 | app_mem dd 0x0 |
||
675 | app_esp dd 0x0 |
||
676 | app_i_param dd 0x0 |
||
677 | app_i_icon dd 0x0 |
||
678 | app_mem_pos dd 0x0 |
||
5 | halyavin | 679 | appl_path dd 0x0 |
680 | appl_path_size dd 0x0 |
||
1 | ha | 681 | endg |
682 | |||
683 | iglobal |
||
684 | hd_app_string db 'HDAPP ' |
||
685 | process_loading db 'K : Process - loading ',13,10,0 |
||
686 | process_running db 'K : Process - done',13,10,0 |
||
687 | first_gdt_search dd 0x2 |
||
688 | endg |
||
689 | |||
690 | |||
691 | sys_threads: |
||
692 | |||
693 | ; eax=1 create thread |
||
694 | ; |
||
695 | ; ebx=thread start |
||
696 | ; ecx=thread stack value |
||
697 | ; |
||
698 | ; on return : eax = pid |
||
699 | jmp new_sys_threads |
||
700 | |||
701 | iglobal |
||
702 | process_terminating db 'K : Process - terminating',13,10,0 |
||
703 | process_terminated db 'K : Process - done',13,10,0 |
||
704 | endg |
||
705 | |||
706 | |||
707 | terminate: ; terminate application |
||
708 | push esi |
||
709 | mov esi,process_terminating |
||
710 | call sys_msg_board_str |
||
711 | pop esi |
||
712 | |||
40 | halyavin | 713 | @@: |
1 | ha | 714 | cli |
715 | cmp [application_table_status],0 |
||
716 | je term9 |
||
717 | sti |
||
718 | call change_task |
||
40 | halyavin | 719 | jmp @b |
1 | ha | 720 | term9: |
721 | |||
722 | call set_application_table_status |
||
723 | |||
724 | mov eax,esi |
||
725 | call dispose_app_cr3_table |
||
726 | |||
727 | cmp [prev_user_of_fpu],esi ; if user fpu last -> fpu user = 1 |
||
728 | jne fpu_ok_1 |
||
729 | mov [prev_user_of_fpu],1 |
||
730 | fpu_ok_1: |
||
731 | |||
732 | mov [0xf400],byte 0 ; empty keyboard buffer |
||
733 | mov [0xf500],byte 0 ; empty button buffer |
||
734 | |||
735 | |||
92 | diamond | 736 | ; remove defined hotkeys |
737 | mov eax, hotkey_list |
||
738 | .loop: |
||
739 | cmp [eax+8], esi |
||
740 | jnz .cont |
||
741 | mov ecx, [eax] |
||
742 | jecxz @f |
||
743 | push dword [eax+12] |
||
744 | pop dword [ecx+12] |
||
745 | @@: |
||
746 | mov ecx, [eax+12] |
||
747 | push dword [eax] |
||
748 | pop dword [ecx] |
||
749 | xor ecx, ecx |
||
750 | mov [eax], ecx |
||
751 | mov [eax+4], ecx |
||
752 | mov [eax+8], ecx |
||
753 | mov [eax+12], ecx |
||
754 | .cont: |
||
755 | add eax, 16 |
||
756 | cmp eax, hotkey_list+256*16 |
||
757 | jb .loop |
||
758 | ; remove hotkeys in buffer |
||
759 | mov eax, hotkey_buffer |
||
760 | .loop2: |
||
761 | cmp [eax], esi |
||
762 | jnz .cont2 |
||
763 | and dword [eax+4], 0 |
||
764 | and dword [eax], 0 |
||
765 | .cont2: |
||
766 | add eax, 8 |
||
767 | cmp eax, hotkey_buffer+120*8 |
||
768 | jb .loop2 |
||
769 | |||
1 | ha | 770 | mov ecx,esi ; remove buttons |
771 | bnewba2: |
||
772 | mov edi,[0xfe88] |
||
773 | mov eax,edi |
||
774 | cld |
||
775 | movzx ebx,word [edi] |
||
776 | inc bx |
||
777 | bnewba: |
||
778 | dec bx |
||
779 | jz bnmba |
||
780 | add eax,0x10 |
||
781 | cmp cx,[eax] |
||
782 | jnz bnewba |
||
783 | pusha |
||
784 | mov ecx,ebx |
||
785 | inc ecx |
||
786 | shl ecx,4 |
||
787 | mov ebx,eax |
||
788 | add eax,0x10 |
||
789 | call memmove |
||
790 | dec dword [edi] |
||
791 | popa |
||
792 | jmp bnewba2 |
||
793 | bnmba: |
||
794 | |||
795 | pusha ; save window coordinates for window restoring |
||
796 | cld |
||
797 | shl esi,5 |
||
798 | add esi,window_data |
||
799 | mov ax,[esi+0] |
||
800 | mov word [dlx],ax |
||
92 | diamond | 801 | add ax,[esi+8] |
1 | ha | 802 | mov word [dlxe],ax |
803 | mov ax,[esi+4] |
||
804 | mov word [dly],ax |
||
92 | diamond | 805 | add ax,[esi+12] |
1 | ha | 806 | mov word [dlye],ax |
807 | mov [esi+0],word 0 |
||
808 | mov [esi+8],word 5 |
||
809 | mov ax,[0xFE04] |
||
810 | mov [esi+4],ax |
||
811 | mov [esi+12],word 5 |
||
812 | xor eax, eax |
||
813 | mov [esi+16],eax;dword 0 |
||
814 | mov [esi+20],eax;dword 0 |
||
815 | mov [esi+24],eax;dword 0 |
||
816 | mov [esi+28],eax;dword 0 |
||
817 | popa |
||
818 | |||
819 | pusha |
||
820 | mov edi,esi |
||
821 | shl edi,5 |
||
822 | add edi,window_data |
||
823 | mov ecx,32/4 |
||
824 | xor eax, eax |
||
825 | ; cld |
||
826 | rep stosd |
||
827 | |||
828 | mov eax,[0xFE04] ; set window to start from maxy+1 |
||
829 | add eax,2 |
||
830 | |||
831 | mov edi,esi |
||
832 | shl edi,5 |
||
92 | diamond | 833 | mov [edi+4+window_data],eax |
1 | ha | 834 | |
835 | add edi,draw_data |
||
836 | mov ecx,32/4 |
||
837 | xor eax, eax |
||
838 | rep stosd |
||
839 | popa |
||
840 | |||
40 | halyavin | 841 | ; debuggee test |
842 | pushad |
||
843 | mov edi, esi |
||
844 | shl edi, 5 |
||
845 | mov eax, [0x80000+edi*8+0xAC] |
||
846 | test eax, eax |
||
847 | jz .nodebug |
||
848 | push 8 |
||
849 | pop ecx |
||
850 | push dword [0x3000+edi+0x4] ; PID |
||
851 | push 2 |
||
852 | call debugger_notify |
||
853 | pop ecx |
||
854 | pop ecx |
||
855 | .nodebug: |
||
856 | popad |
||
857 | |||
1 | ha | 858 | pusha ; at 0x80000+ |
859 | mov edi,esi |
||
860 | shl edi,8 |
||
861 | add edi,0x80000 |
||
862 | mov ecx,256/4 |
||
863 | xor eax, eax |
||
864 | ; cld |
||
865 | rep stosd |
||
866 | popa |
||
867 | |||
868 | pusha ; name to spaces |
||
869 | mov edi,esi |
||
870 | shl edi,8 |
||
871 | add edi,0x80000 |
||
872 | mov ecx,11 |
||
873 | mov eax,' ' |
||
874 | ; cld |
||
875 | rep stosb |
||
876 | popa |
||
877 | |||
878 | pusha ; C000 --> C400 |
||
879 | mov eax, 0xc000 |
||
880 | mov esi, 0 |
||
881 | nlc40: |
||
882 | add eax, 2 |
||
883 | inc esi |
||
884 | cmp esi, [0x3004] |
||
885 | jae nlc41 |
||
886 | movzx ecx, word [eax] |
||
887 | mov [0xC400 + ecx*2], si |
||
888 | jmp nlc40 |
||
889 | nlc41: |
||
890 | popa |
||
891 | |||
92 | diamond | 892 | push esi ; remove hd1 & cd & flp reservation |
893 | shl esi, 5 |
||
894 | mov esi, [esi+0x3004] |
||
895 | cmp [hd1_status], esi |
||
896 | jnz @f |
||
897 | mov [hd1_status], 0 |
||
898 | @@: |
||
899 | cmp [cd_status], esi |
||
900 | jnz @f |
||
901 | mov [cd_status], 0 |
||
902 | @@: |
||
903 | cmp [flp_status], esi |
||
904 | jnz @f |
||
905 | mov [flp_status], 0 |
||
906 | @@: |
||
907 | pop esi |
||
1 | ha | 908 | |
909 | pusha ; remove all irq reservations |
||
92 | diamond | 910 | mov eax,esi |
911 | shl eax, 5 ;imul edx,0x20 |
||
912 | mov eax,[edx+0x3000+4] |
||
1 | ha | 913 | mov edi,irq_owner |
914 | mov ecx,16 |
||
915 | newirqfree: |
||
92 | diamond | 916 | scasd |
1 | ha | 917 | jne nofreeirq |
92 | diamond | 918 | mov [edi-4],dword 0 |
1 | ha | 919 | nofreeirq: |
920 | loop newirqfree |
||
921 | popa |
||
922 | |||
923 | |||
924 | pusha ; remove all port reservations |
||
33 | mario79 | 925 | mov [deleted_process],esi |
1 | ha | 926 | mov edx,esi |
927 | shl edx, 5 ;imul edx,0x20 |
||
928 | add edx,0x3000 |
||
929 | mov edx,[edx+4] |
||
930 | |||
931 | rmpr0: |
||
932 | |||
933 | mov esi,[0x2d0000] |
||
934 | |||
935 | cmp esi,0 |
||
936 | je rmpr9 |
||
937 | |||
938 | rmpr3: |
||
939 | |||
940 | mov edi,esi |
||
941 | shl edi,4 |
||
942 | add edi,0x2d0000 |
||
943 | |||
944 | cmp edx,[edi] |
||
945 | je rmpr4 |
||
946 | |||
947 | dec esi |
||
948 | jnz rmpr3 |
||
949 | |||
950 | jmp rmpr9 |
||
951 | |||
952 | rmpr4: |
||
953 | |||
954 | mov ecx,256 |
||
955 | sub ecx,esi |
||
956 | shl ecx,4 |
||
957 | |||
958 | mov esi,edi |
||
959 | add esi,16 |
||
960 | cld |
||
961 | rep movsb |
||
962 | |||
963 | dec dword [0x2d0000] |
||
964 | |||
965 | jmp rmpr0 |
||
966 | |||
967 | rmpr9: |
||
968 | |||
969 | popa |
||
970 | mov edi,esi ; do not run this process slot |
||
6 | poddubny | 971 | shl edi, 5 |
1 | ha | 972 | mov [edi+0x300A],byte 9 |
40 | halyavin | 973 | ; debugger test - terminate all debuggees |
974 | mov eax, 2 |
||
975 | mov ecx, 0x80000+2*0x100+0xAC |
||
976 | .xd0: |
||
977 | cmp eax, [0x3004] |
||
978 | ja .xd1 |
||
979 | cmp dword [ecx], esi |
||
980 | jnz @f |
||
981 | and dword [ecx], 0 |
||
982 | pushad |
||
983 | xchg eax, ebx |
||
984 | mov eax, 2 |
||
985 | call sys_system |
||
986 | popad |
||
987 | @@: |
||
988 | inc eax |
||
989 | add ecx, 0x100 |
||
990 | jmp .xd0 |
||
991 | .xd1: |
||
1 | ha | 992 | ; call systest |
993 | sti ; .. and life goes on |
||
994 | |||
995 | ; movzx eax,word [dlx] |
||
996 | ; movzx ebx,word [dly] |
||
997 | ; movzx ecx,word [dlxe] |
||
998 | ; movzx edx,word [dlye] |
||
999 | call calculatescreen |
||
33 | mario79 | 1000 | cli |
1001 | mov eax,[deleted_process] |
||
1002 | cmp eax,[active_process] |
||
1003 | jne no_activate_process |
||
1004 | call read_active_process_stack |
||
1005 | no_activate_process: |
||
1006 | sti |
||
1 | ha | 1007 | xor eax, eax |
1008 | xor esi, esi |
||
1009 | call redrawscreen |
||
1010 | |||
1011 | mov [0xfff4],byte 0 ; no mouse background |
||
1012 | mov [0xfff5],byte 0 ; draw mouse |
||
1013 | |||
1014 | mov [application_table_status],0 |
||
1015 | mov esi,process_terminated |
||
1016 | call sys_msg_board_str |
||
33 | mario79 | 1017 | ret |
1 | ha | 1018 | |
33 | mario79 | 1019 | save_active_process_stack: |
1020 | cmp [active_proc_stack_coun],0xa400+0x400-4 |
||
1021 | jne @f |
||
1022 | mov [active_proc_stack_coun],0xa400-4 |
||
1023 | @@: |
||
1024 | push eax |
||
1025 | push ebx |
||
1026 | mov eax,[active_process] |
||
1027 | shl eax,5 |
||
1028 | add eax,0x3000 |
||
1029 | mov [eax-twdw+31],byte 1 |
||
1030 | add [active_proc_stack_coun],4 |
||
1031 | mov eax,[active_process] |
||
1032 | mov ebx,[active_proc_stack_coun] |
||
1033 | mov [ebx],eax |
||
1034 | pop ebx |
||
1035 | pop eax |
||
1 | ha | 1036 | ret |
1037 | |||
33 | mario79 | 1038 | read_active_process_stack: |
1039 | cmp [active_proc_stack_coun],0xa400-4 |
||
1040 | jne @f |
||
1041 | mov [active_proc_stack_coun],0xa400+0x400-4 |
||
1042 | @@: |
||
1043 | push eax |
||
1044 | push ebx |
||
1045 | mov ebx,[active_proc_stack_coun] |
||
1046 | mov eax,[ebx] |
||
1047 | mov [0xff01],eax ; activate |
||
1048 | sub [active_proc_stack_coun],4 |
||
1049 | mov [active_process_flag],1 |
||
1050 | pop ebx |
||
1051 | pop eax |
||
1052 | ret |
||
1053 | |||
1 | ha | 1054 | iglobal |
1055 | boot_sched_1 db 'Building gdt tss pointer',0 |
||
8 | poddubny | 1056 | boot_sched_2 db 'Building IDT table',0 |
1 | ha | 1057 | endg |
1058 | |||
1059 | |||
1060 | build_scheduler: |
||
1061 | |||
1062 | mov esi,boot_sched_1 |
||
1063 | call boot_log |
||
1064 | call build_process_gdt_tss_pointer |
||
1065 | |||
8 | poddubny | 1066 | mov esi,boot_sched_2 |
1 | ha | 1067 | call boot_log |
1068 | call build_interrupt_table |
||
1069 | |||
1070 | ret |
||
1071 |