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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
- | 2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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- | 3 | ;; ;; |
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- | 4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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- | 5 | ;; Distributed under terms of the GNU General Public License ;; |
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- | 6 | ;; ;; |
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2 | ;; ;; |
7 | ;; ;; |
3 | ;; MenuetOS process management, protected ring3 ;; |
8 | ;; MenuetOS process management, protected ring3 ;; |
4 | ;; ;; |
9 | ;; ;; |
5 | ;; Distributed under GPL. See file COPYING for details. ;; |
10 | ;; Distributed under GPL. See file COPYING for details. ;; |
6 | ;; Copyright 2003 Ville Turjanmaa ;; |
11 | ;; Copyright 2003 Ville Turjanmaa ;; |
7 | ;; ;; |
12 | ;; ;; |
8 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
13 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
Line 9... | Line 14... | ||
9 | 14 | ||
10 | align 4 |
15 | align 4 |
11 | idtreg: |
16 | idtreg: |
12 | dw 8*0x41-1 |
17 | dw 8*0x41-1 |
Line 16... | Line 21... | ||
16 | 21 | ||
17 | mov edi, idts+8 |
22 | mov edi, idts+8 |
18 | mov esi, sys_int |
23 | mov esi, sys_int |
19 | mov ecx, 0x40 |
24 | mov ecx, 0x40 |
20 | @@: |
25 | @@: |
21 | mov eax, [esi] |
26 | lodsd |
22 | mov [edi], ax ; lower part of offset |
27 | mov [edi], ax ; lower part of offset |
23 | mov [edi+2], word os_code ; segment selector |
- | |
24 | shr eax, 16 |
28 | mov [edi+2], word os_code ; segment selector |
25 | mov [edi+4], word 10001110b shl 8 ; interrupt descriptor |
29 | mov ax, word 10001110b shl 8 ; type: interrupt gate |
26 | mov [edi+6], ax |
- | |
27 | add esi, 4 |
30 | mov [edi+4], eax |
28 | add edi, 8 |
- | |
29 | dec ecx |
31 | add edi, 8 |
Line 30... | Line 32... | ||
30 | jnz @b |
32 | loop @b |
31 | 33 | ||
32 | ;mov edi,8*0x40+idts+8 |
- | |
33 | mov [edi + 0], word (i40 and ((1 shl 16)-1)) |
34 | ;mov edi,8*0x40+idts+8 |
34 | mov [edi + 2], word os_code |
35 | mov dword [edi], (i40 and 0xFFFF) or (os_code shl 16) |
35 | mov [edi + 4], word 11101110b*256 |
- | |
36 | mov [edi + 6], word (i40 shr 16) |
36 | mov dword [edi+4], (11101111b shl 8) or (i40 and 0xFFFF0000) |
Line 37... | Line 37... | ||
37 | 37 | ; type: trap gate |
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38 | ret |
38 | ret |
39 | 39 |