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3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
4 | ;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;; |
4 | ;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;; |
5 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; Distributed under terms of the GNU General Public License ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
Line 7... | Line 7... | ||
7 | 7 | ||
Line 8... | Line 8... | ||
8 | $Revision: 3626 $ |
8 | $Revision: 5201 $ |
9 | 9 | ||
10 | 10 | ||
Line 27... | Line 27... | ||
27 | add [next_usage_update], 100 |
27 | add [next_usage_update], 100 |
28 | call updatecputimes |
28 | call updatecputimes |
29 | .nocounter: |
29 | .nocounter: |
30 | xor ecx, ecx ; send End Of Interrupt signal |
30 | xor ecx, ecx ; send End Of Interrupt signal |
31 | call irq_eoi |
31 | call irq_eoi |
32 | ; btr dword[DONT_SWITCH], 0 |
- | |
33 | ; jc .return |
- | |
- | 32 | ||
34 | mov bl, SCHEDULE_ANY_PRIORITY |
33 | mov bl, SCHEDULE_ANY_PRIORITY |
35 | call find_next_task |
34 | call find_next_task |
36 | jz .return ; if there is only one running process |
35 | jz .return ; if there is only one running process |
37 | call do_change_task |
36 | call do_change_task |
38 | .return: |
37 | .return: |
Line 42... | Line 41... | ||
42 | align 4 |
41 | align 4 |
43 | change_task: |
42 | change_task: |
44 | pushfd |
43 | pushfd |
45 | cli |
44 | cli |
46 | pushad |
45 | pushad |
47 | if 0 |
- | |
48 | ; \begin{Mario79} ; <- must be refractoried, if used... |
- | |
49 | cmp [dma_task_switched], 1 |
- | |
50 | jne .find_next_task |
- | |
51 | mov [dma_task_switched], 0 |
- | |
52 | mov ebx, [dma_process] |
- | |
53 | cmp [CURRENT_TASK], ebx |
- | |
54 | je .return |
- | |
55 | mov edi, [dma_slot_ptr] |
- | |
56 | mov [CURRENT_TASK], ebx |
- | |
57 | mov [TASK_BASE], edi |
- | |
58 | jmp @f |
- | |
59 | .find_next_task: |
- | |
60 | ; \end{Mario79} |
- | |
61 | end if |
- | |
62 | mov bl, SCHEDULE_ANY_PRIORITY |
46 | mov bl, SCHEDULE_ANY_PRIORITY |
63 | call find_next_task |
47 | call find_next_task |
64 | jz .return ; the same task -> skip switch |
48 | jz .return ; the same task -> skip switch |
65 | @@: |
49 | |
66 | ; mov byte[DONT_SWITCH], 1 |
- | |
67 | call do_change_task |
50 | call do_change_task |
68 | .return: |
51 | .return: |
69 | popad |
52 | popad |
70 | popfd |
53 | popfd |
71 | ret |
54 | ret |
Line 119... | Line 102... | ||
119 | mov esp, [ebx+APPDATA.saved_esp] |
102 | mov esp, [ebx+APPDATA.saved_esp] |
120 | ; set new thread io-map |
103 | ; set new thread io-map |
121 | Mov dword [page_tabs+((tss._io_map_0 and -4096) shr 10)],eax,[ebx+APPDATA.io_map] |
104 | Mov dword [page_tabs+((tss._io_map_0 and -4096) shr 10)],eax,[ebx+APPDATA.io_map] |
122 | Mov dword [page_tabs+((tss._io_map_1 and -4096) shr 10)],eax,[ebx+APPDATA.io_map+4] |
105 | Mov dword [page_tabs+((tss._io_map_1 and -4096) shr 10)],eax,[ebx+APPDATA.io_map+4] |
123 | ; set new thread memory-map |
106 | ; set new thread memory-map |
124 | mov ecx, APPDATA.dir_table |
107 | mov eax, [ebx+APPDATA.process] |
125 | mov eax, [ebx+ecx] ;offset>0x7F |
- | |
126 | cmp eax, [esi+ecx] ;offset>0x7F |
108 | cmp eax, [current_process] |
127 | je @f |
109 | je @f |
- | 110 | mov [current_process], eax |
|
- | 111 | mov eax, [eax+PROC.pdt_0_phys] |
|
128 | mov cr3, eax |
112 | mov cr3, eax |
129 | @@: |
113 | @@: |
130 | ; set tss.esp0 |
114 | ; set tss.esp0 |
Line 131... | Line 115... | ||
131 | 115 | ||
Line 157... | Line 141... | ||
157 | ; set debug-registers, if it's necessary |
141 | ; set debug-registers, if it's necessary |
158 | test byte[ebx+APPDATA.dbg_state], 1 |
142 | test byte[ebx+APPDATA.dbg_state], 1 |
159 | jz @f |
143 | jz @f |
160 | xor eax, eax |
144 | xor eax, eax |
161 | mov dr6, eax |
145 | mov dr6, eax |
162 | lea esi, [ebx+ecx+APPDATA.dbg_regs-APPDATA.dir_table];offset>0x7F |
146 | lea esi, [ebx+APPDATA.dbg_regs] |
163 | cld |
147 | cld |
164 | macro lodsReg [reg] { |
148 | macro lodsReg [reg] { |
165 | lodsd |
149 | lodsd |
166 | mov reg, eax |
150 | mov reg, eax |
167 | } lodsReg dr0, dr1, dr2, dr3, dr7 |
151 | } lodsReg dr0, dr1, dr2, dr3, dr7 |