Rev 9831 | Rev 9926 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
9715 | Doczom | 3 | ;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;; |
6793 | pathoswith | 4 | ;; Distributed under terms of the GNU General Public License. ;; |
2288 | clevermous | 5 | ;; ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
7 | |||
8 | $Revision: 9910 $ |
||
9 | |||
10 | align 4 ;3A08 |
||
11 | build_interrupt_table: |
||
12 | mov edi, idts |
||
13 | mov esi, sys_int |
||
14 | mov ecx, 0x40 |
||
15 | mov eax, (10001110b shl 24) + os_code |
||
16 | @@: |
||
8050 | rgimad | 17 | movsw ; low word of code-entry |
18 | stosd ; interrupt gate type : os_code selector |
||
19 | movsw ; high word of code-entry |
||
2288 | clevermous | 20 | loop @b |
8050 | rgimad | 21 | movsd ; copy low dword of trap gate for int 0x40 |
22 | movsd ; copy high dword of trap gate for int 0x40 |
||
7733 | dunkaist | 23 | mov ecx, 23 |
24 | mov eax, (10001110b shl 24) + os_code |
||
25 | @@: |
||
8050 | rgimad | 26 | movsw ; low word of code-entry |
27 | stosd ; interrupt gate type : os_code selector |
||
28 | movsw ; high word of code-entry |
||
7733 | dunkaist | 29 | loop @b |
2288 | clevermous | 30 | lidt [esi] |
31 | ret |
||
32 | |||
33 | iglobal |
||
34 | align 4 |
||
35 | sys_int: |
||
8050 | rgimad | 36 | ; exception handlers addresses (for interrupt gate construction) |
2288 | clevermous | 37 | dd e0,e1,e2,e3,e4,e5,e6,except_7 ; SEE: core/fpu.inc |
38 | dd e8,e9,e10,e11,e12,e13,page_fault_exc,e15 |
||
39 | dd e16, e17,e18, e19 |
||
40 | times 12 dd unknown_interrupt ;int_20..int_31 |
||
41 | |||
8050 | rgimad | 42 | ; interrupt handlers addresses (for interrupt gate construction) |
7733 | dunkaist | 43 | ; 0x20+ are IRQ handlers |
44 | dd irq0 |
||
45 | rept 12 irqn:1 \{dd irq_serv.irq_\#irqn\} |
||
46 | dd irqD |
||
47 | rept 18 irqn:14 \{dd irq_serv.irq_\#irqn\} |
||
2288 | clevermous | 48 | |
7733 | dunkaist | 49 | ; int_0x40 gate trap (for directly copied) |
50 | dw i40 and 0xFFFF, os_code, 11101111b shl 8, i40 shr 16 |
||
2288 | clevermous | 51 | |
7733 | dunkaist | 52 | rept 23 irqn:33 \{dd irq_serv.irq_\#irqn\} |
53 | |||
2288 | clevermous | 54 | idtreg: ; data for LIDT instruction (!!! must be immediately below sys_int data) |
55 | dw 2*($-sys_int-4)-1 |
||
8050 | rgimad | 56 | dd idts ; 0x8000B100 |
57 | dw 0 ; alignment |
||
2288 | clevermous | 58 | |
59 | msg_fault_sel dd msg_exc_8,msg_exc_u,msg_exc_a,msg_exc_b |
||
6817 | dunkaist | 60 | dd msg_exc_c,msg_exc_d,msg_exc_e,msg_exc_u |
61 | dd msg_exc_u,msg_exc_11 |
||
2288 | clevermous | 62 | |
63 | msg_exc_8 db "Double fault", 0 |
||
64 | msg_exc_u db "Undefined Exception", 0 |
||
65 | msg_exc_a db "Invalid TSS", 0 |
||
66 | msg_exc_b db "Segment not present", 0 |
||
67 | msg_exc_c db "Stack fault", 0 |
||
68 | msg_exc_d db "General protection fault", 0 |
||
69 | msg_exc_e db "Page fault", 0 |
||
6817 | dunkaist | 70 | msg_exc_11 db "Alignment Check", 0 |
2288 | clevermous | 71 | |
3342 | yogev_ezra | 72 | if lang eq sp |
3344 | yogev_ezra | 73 | include 'core/sys32-sp.inc' |
3342 | yogev_ezra | 74 | else |
75 | msg_sel_ker db "kernel", 0 |
||
76 | msg_sel_app db "application", 0 |
||
3309 | esevece | 77 | end if |
2288 | clevermous | 78 | |
79 | endg |
||
80 | |||
81 | macro save_ring3_context { |
||
82 | pushad |
||
83 | } |
||
84 | macro restore_ring3_context { |
||
85 | popad |
||
86 | } |
||
87 | macro exc_wo_code [num] { |
||
88 | e#num : |
||
89 | save_ring3_context |
||
90 | mov bl, num |
||
91 | jmp exc_c |
||
92 | } exc_wo_code 0,1,2,3,4,5,6,15,16,19 |
||
93 | |||
94 | macro exc_w_code [num] { |
||
95 | e#num : |
||
96 | add esp, 4 |
||
97 | save_ring3_context |
||
98 | mov bl, num |
||
99 | jmp exc_c |
||
100 | } exc_w_code 8,9,10,11,12,13,17,18 |
||
101 | |||
102 | |||
103 | uglobal |
||
104 | pf_err_code dd ? |
||
105 | endg |
||
106 | |||
8050 | rgimad | 107 | page_fault_exc: ; foolproof: selectors are clobbered ... |
108 | pop [ss:pf_err_code] ; actually, until the next #PF |
||
2288 | clevermous | 109 | save_ring3_context |
110 | mov bl, 14 |
||
111 | |||
8050 | rgimad | 112 | exc_c: ; exceptions (all but 7th - #NM) |
113 | ; stack frame when exception/interrupt from ring3 + pushad (i.e right here) |
||
2288 | clevermous | 114 | reg_ss equ esp+0x30 |
115 | reg_esp3 equ esp+0x2C |
||
116 | reg_eflags equ esp+0x28 |
||
117 | reg_cs3 equ esp+0x24 |
||
118 | reg_eip equ esp+0x20 |
||
8050 | rgimad | 119 | ; this if frame from pushad |
2288 | clevermous | 120 | reg_eax equ esp+0x1C |
121 | reg_ecx equ esp+0x18 |
||
122 | reg_edx equ esp+0x14 |
||
123 | reg_ebx equ esp+0x10 |
||
124 | reg_esp0 equ esp+0x0C |
||
125 | reg_ebp equ esp+0x08 |
||
126 | reg_esi equ esp+0x04 |
||
127 | reg_edi equ esp+0x00 |
||
128 | |||
8050 | rgimad | 129 | mov ax, app_data ; exception |
130 | mov ds, ax ; load proper values |
||
131 | mov es, ax ; to registers |
||
8051 | rgimad | 132 | cld ; clear the direction flag |
2288 | clevermous | 133 | movzx ebx, bl |
134 | ; redirect to V86 manager? (EFLAGS & 0x20000) != 0? |
||
135 | test byte[reg_eflags+2], 2 |
||
136 | jnz v86_exc_c |
||
8050 | rgimad | 137 | cmp bl, 14 ; #PF |
2288 | clevermous | 138 | jne @f |
139 | call page_fault_handler ; SEE: core/memory.inc |
||
140 | @@: |
||
141 | mov esi, [current_slot] |
||
9715 | Doczom | 142 | btr [esi + APPDATA.except_mask], ebx |
2288 | clevermous | 143 | jnc @f |
9715 | Doczom | 144 | mov eax, [esi + APPDATA.exc_handler] |
2288 | clevermous | 145 | test eax, eax |
146 | jnz IRetToUserHook |
||
147 | @@: |
||
148 | cli |
||
9715 | Doczom | 149 | mov eax, [esi + APPDATA.debugger_slot] |
2288 | clevermous | 150 | test eax, eax |
151 | jnz .debug |
||
6793 | pathoswith | 152 | ; not debuggee => say error and terminate |
9709 | Doczom | 153 | call show_error_parameters ; this function output in edx = current_slot |
2288 | clevermous | 154 | sti |
9709 | Doczom | 155 | mov [edx + APPDATA.state], TSTATE_TERMINATING |
3534 | clevermous | 156 | call wakeup_osloop |
3615 | clevermous | 157 | call change_task |
158 | ; If we're here, then the main OS thread has crashed before initializing IDLE thread. |
||
159 | ; Or they both have crashed. Anyway, things are hopelessly broken. |
||
160 | hlt |
||
161 | jmp $-1 |
||
2288 | clevermous | 162 | .debug: |
163 | ; we are debugged process, notify debugger and suspend ourself |
||
164 | ; eax=debugger PID |
||
165 | mov ecx, 1 ; debug_message code=other_exception |
||
166 | cmp bl, 1 ; #DB |
||
167 | jne .notify ; notify debugger and suspend ourself |
||
168 | mov ebx, dr6 ; debug_message data=DR6_image |
||
169 | xor edx, edx |
||
170 | mov dr6, edx |
||
171 | mov edx, dr7 |
||
172 | mov cl, not 8 |
||
173 | .l1: |
||
174 | shl dl, 2 |
||
175 | jc @f |
||
176 | and bl, cl |
||
177 | @@: |
||
178 | sar cl, 1 |
||
179 | jc .l1 |
||
180 | mov cl, 3 ; debug_message code=debug_exception |
||
181 | .notify: |
||
182 | push ebx ; debug_message data |
||
9692 | Doczom | 183 | mov ebx, [current_slot] |
184 | push [ebx + APPDATA.tid] ; PID |
||
2288 | clevermous | 185 | push ecx ; debug_message code ((here: ecx==1/3)) |
186 | mov cl, 12 ; debug_message size |
||
187 | call debugger_notify ;; only ONE using, inline ??? SEE: core/debug.inc |
||
188 | add esp, 12 |
||
9709 | Doczom | 189 | mov edx, [current_slot] |
190 | mov [edx + APPDATA.state], TSTATE_RUN_SUSPENDED |
||
2288 | clevermous | 191 | call change_task ; SEE: core/shed.inc |
192 | restore_ring3_context |
||
193 | iretd |
||
194 | |||
195 | IRetToUserHook: |
||
196 | xchg eax, [reg_eip] |
||
197 | sub dword[reg_esp3], 8 |
||
198 | mov edi, [reg_esp3] |
||
199 | stosd |
||
200 | mov [edi], ebx |
||
201 | restore_ring3_context |
||
202 | ; simply return control to interrupted process |
||
203 | unknown_interrupt: |
||
204 | iretd |
||
205 | |||
206 | ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
||
207 | ; bl - error vector |
||
208 | show_error_parameters: |
||
209 | cmp bl, 0x06 |
||
210 | jnz .no_ud |
||
211 | push ebx |
||
212 | mov ebx, ud_user_message |
||
213 | mov ebp, notifyapp |
||
214 | call fs_execute_from_sysdir_param |
||
215 | pop ebx |
||
216 | .no_ud: |
||
9692 | Doczom | 217 | mov edx, [current_slot];not scratched below |
3309 | esevece | 218 | if lang eq sp |
9692 | Doczom | 219 | DEBUGF 1, "K : Proceso - terminado forzado PID: %x [%s]\n", [edx + APPDATA.tid], [current_slot] |
3309 | esevece | 220 | else |
9692 | Doczom | 221 | DEBUGF 1, "K : Process - forced terminate PID: %x [%s]\n", [edx + APPDATA.tid], [current_slot] |
3309 | esevece | 222 | end if |
2288 | clevermous | 223 | cmp bl, 0x08 |
224 | jb .l0 |
||
6817 | dunkaist | 225 | cmp bl, 0x11 |
2288 | clevermous | 226 | jbe .l1 |
227 | .l0: |
||
228 | mov bl, 0x09 |
||
229 | .l1: |
||
230 | mov eax, [msg_fault_sel+ebx*4 - 0x08*4] |
||
231 | DEBUGF 1, "K : %s\n", eax |
||
232 | mov eax, [reg_cs3+4] |
||
233 | mov edi, msg_sel_app |
||
234 | mov ebx, [reg_esp3+4] |
||
235 | cmp eax, app_code |
||
236 | je @f |
||
237 | mov edi, msg_sel_ker |
||
238 | mov ebx, [reg_esp0+4] |
||
239 | @@: |
||
240 | DEBUGF 1, "K : EAX : %x EBX : %x ECX : %x\n", [reg_eax+4], [reg_ebx+4], [reg_ecx+4] |
||
241 | DEBUGF 1, "K : EDX : %x ESI : %x EDI : %x\n", [reg_edx+4], [reg_esi+4], [reg_edi+4] |
||
242 | DEBUGF 1, "K : EBP : %x EIP : %x ESP : %x\n", [reg_ebp+4], [reg_eip+4], ebx |
||
243 | DEBUGF 1, "K : Flags : %x CS : %x (%s)\n", [reg_eflags+4], eax, edi |
||
3911 | mario79 | 244 | |
3909 | mario79 | 245 | DEBUGF 1, "K : Stack dump:\n" |
3911 | mario79 | 246 | push eax ebx ecx edx |
247 | call .check_ESP |
||
248 | test eax, eax |
||
249 | jnz .error_ESP |
||
250 | DEBUGF 1, "K : [ESP+00]: %x",[ebx] |
||
251 | add ebx, 4 |
||
252 | call .check_ESP |
||
253 | test eax, eax |
||
254 | jnz .error_ESP |
||
255 | DEBUGF 1, " [ESP+04]: %x",[ebx] |
||
256 | add ebx, 4 |
||
257 | call .check_ESP |
||
258 | test eax, eax |
||
259 | jnz .error_ESP |
||
5356 | serge | 260 | DEBUGF 1, " [ESP+08]: %x\n",[ebx] |
3911 | mario79 | 261 | add ebx, 4 |
262 | call .check_ESP |
||
263 | test eax, eax |
||
264 | jnz .error_ESP |
||
265 | DEBUGF 1, "K : [ESP+12]: %x",[ebx] |
||
266 | add ebx, 4 |
||
267 | call .check_ESP |
||
268 | test eax, eax |
||
269 | jnz .error_ESP |
||
270 | DEBUGF 1, " [ESP+16]: %x",[ebx] |
||
271 | add ebx, 4 |
||
272 | call .check_ESP |
||
273 | test eax, eax |
||
274 | jnz .error_ESP |
||
275 | DEBUGF 1, " [ESP+20]: %x\n",[ebx] |
||
276 | add ebx, 4 |
||
277 | call .check_ESP |
||
278 | test eax, eax |
||
279 | jnz .error_ESP |
||
280 | DEBUGF 1, "K : [ESP+24]: %x",[ebx] |
||
281 | add ebx, 4 |
||
282 | call .check_ESP |
||
283 | test eax, eax |
||
284 | jnz .error_ESP |
||
285 | DEBUGF 1, " [ESP+28]: %x",[ebx] |
||
286 | add ebx, 4 |
||
287 | call .check_ESP |
||
288 | test eax, eax |
||
289 | jnz .error_ESP |
||
5356 | serge | 290 | DEBUGF 1, " [ESP+32]: %x\n",[ebx] |
3911 | mario79 | 291 | pop edx ecx ebx eax |
2288 | clevermous | 292 | ret |
3911 | mario79 | 293 | .error_ESP: |
294 | pop edx ecx ebx eax |
||
295 | DEBUGF 1, "\n" |
||
296 | DEBUGF 1, "K : Unexpected end of the stack\n" |
||
297 | ret |
||
298 | ;-------------------------------------- |
||
299 | .check_ESP: |
||
300 | push ebx |
||
301 | shr ebx, 12 |
||
302 | mov ecx, ebx |
||
303 | shr ecx, 10 |
||
9715 | Doczom | 304 | mov edx, [master_tab + ecx*4] |
5356 | serge | 305 | test edx, PG_READ |
8050 | rgimad | 306 | jz .fail ; page table is not created |
307 | ; incorrect address in the program |
||
3911 | mario79 | 308 | |
9715 | Doczom | 309 | mov eax, [page_tabs + ebx*4] |
3911 | mario79 | 310 | test eax, 2 |
8050 | rgimad | 311 | jz .fail ; address not reserved for use. error |
5356 | serge | 312 | |
313 | pop ebx |
||
3911 | mario79 | 314 | xor eax, eax |
5356 | serge | 315 | ret |
316 | |||
3911 | mario79 | 317 | .fail: |
318 | pop ebx |
||
319 | xor eax, eax |
||
320 | dec eax |
||
321 | ret |
||
2288 | clevermous | 322 | ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
323 | |||
324 | restore reg_ss |
||
325 | restore reg_esp3 |
||
326 | restore reg_eflags |
||
327 | restore reg_cs |
||
328 | restore reg_eip |
||
329 | restore reg_eax |
||
330 | restore reg_ecx |
||
331 | restore reg_edx |
||
332 | restore reg_ebx |
||
333 | restore reg_esp0 |
||
334 | restore reg_ebp |
||
335 | restore reg_esi |
||
336 | restore reg_edi |
||
337 | |||
338 | |||
339 | align 4 |
||
3534 | clevermous | 340 | lock_application_table: |
341 | push eax ecx edx |
||
342 | mov ecx, application_table_mutex |
||
343 | call mutex_lock |
||
2288 | clevermous | 344 | |
9828 | Doczom | 345 | mov eax, [current_slot] |
346 | mov eax, [eax + APPDATA.tid] |
||
2288 | clevermous | 347 | |
3534 | clevermous | 348 | mov [application_table_owner], eax |
2288 | clevermous | 349 | |
3534 | clevermous | 350 | pop edx ecx eax |
2288 | clevermous | 351 | |
352 | ret |
||
353 | |||
354 | align 4 |
||
3534 | clevermous | 355 | unlock_application_table: |
356 | push eax ecx edx |
||
2288 | clevermous | 357 | |
3534 | clevermous | 358 | mov [application_table_owner], 0 |
359 | mov ecx, application_table_mutex |
||
360 | call mutex_unlock |
||
2288 | clevermous | 361 | |
3534 | clevermous | 362 | pop edx ecx eax |
2288 | clevermous | 363 | |
364 | ret |
||
365 | |||
8050 | rgimad | 366 | ; sysfn 64 implementation |
2288 | clevermous | 367 | align 4 |
368 | sys_resize_app_memory: |
||
8050 | rgimad | 369 | ; in: eax = 64 - function number |
370 | ; ebx = 1 - number of its only subfunction |
||
371 | ; ecx = new amount of memory |
||
372 | ; out: |
||
373 | ; eax = 0 - success |
||
374 | ; eax = 1 - out of memory |
||
2288 | clevermous | 375 | |
376 | ; cmp eax,1 |
||
377 | dec ebx |
||
378 | jnz .no_application_mem_resize |
||
4313 | mario79 | 379 | |
380 | mov eax, [pg_data.pages_free] |
||
381 | shl eax, 12 |
||
382 | cmp eax, ecx |
||
383 | jae @f |
||
384 | |||
385 | xor eax, eax |
||
386 | inc eax |
||
387 | jmp .store_result |
||
388 | @@: |
||
2288 | clevermous | 389 | stdcall new_mem_resize, ecx |
4313 | mario79 | 390 | .store_result: |
9831 | dunkaist | 391 | mov [esp + SYSCALL_STACK.eax], eax |
2288 | clevermous | 392 | .no_application_mem_resize: |
393 | ret |
||
394 | |||
395 | iglobal |
||
396 | ; process_terminating db 'K : Process - terminating',13,10,0 |
||
397 | ; process_terminated db 'K : Process - done',13,10,0 |
||
398 | msg_obj_destroy db 'K : destroy app object',13,10,0 |
||
399 | endg |
||
400 | |||
401 | ; param |
||
402 | ; esi= slot |
||
403 | |||
404 | align 4 |
||
405 | terminate: ; terminate application |
||
5130 | serge | 406 | destroy_thread: |
2288 | clevermous | 407 | |
5130 | serge | 408 | .slot equ esp+4 ;locals |
409 | .process equ esp ;ptr to parent process |
||
2288 | clevermous | 410 | |
5130 | serge | 411 | |
2288 | clevermous | 412 | push esi ;save .slot |
413 | |||
9709 | Doczom | 414 | shl esi, BSF sizeof.APPDATA |
9715 | Doczom | 415 | mov edx, [SLOT_BASE + esi + APPDATA.process] |
5130 | serge | 416 | test edx, edx |
417 | jnz @F |
||
9709 | Doczom | 418 | mov [SLOT_BASE + esi + APPDATA.state], TSTATE_FREE |
2288 | clevermous | 419 | pop esi |
420 | ret |
||
421 | @@: |
||
5130 | serge | 422 | push edx ;save .process |
9715 | Doczom | 423 | lea edx, [SLOT_BASE + esi] |
3534 | clevermous | 424 | call scheduler_remove_thread |
425 | call lock_application_table |
||
2288 | clevermous | 426 | |
427 | ; if the process is in V86 mode... |
||
428 | mov eax, [.slot] |
||
9709 | Doczom | 429 | shl eax, BSF sizeof.APPDATA |
9715 | Doczom | 430 | mov esi, [SLOT_BASE + eax + APPDATA.pl0_stack] |
2288 | clevermous | 431 | add esi, RING0_STACK_SIZE |
9715 | Doczom | 432 | cmp [SLOT_BASE + eax + APPDATA.saved_esp0], esi |
2288 | clevermous | 433 | jz .nov86 |
434 | ; ...it has page directory for V86 mode |
||
9715 | Doczom | 435 | mov esi, [SLOT_BASE + eax + APPDATA.saved_esp0] |
2288 | clevermous | 436 | mov ecx, [esi+4] |
9715 | Doczom | 437 | mov [SLOT_BASE + eax + APPDATA.process], ecx |
2288 | clevermous | 438 | ; ...and I/O permission map for V86 mode |
439 | mov ecx, [esi+12] |
||
9715 | Doczom | 440 | mov [SLOT_BASE + eax + APPDATA.io_map], ecx |
2288 | clevermous | 441 | mov ecx, [esi+8] |
9715 | Doczom | 442 | mov [SLOT_BASE + eax + APPDATA.io_map+4], ecx |
2288 | clevermous | 443 | .nov86: |
8050 | rgimad | 444 | ; destroy per-thread kernel objects |
2288 | clevermous | 445 | mov esi, [.slot] |
9709 | Doczom | 446 | shl esi, BSF sizeof.APPDATA |
9715 | Doczom | 447 | add esi, SLOT_BASE + APP_OBJ_OFFSET |
2288 | clevermous | 448 | @@: |
9715 | Doczom | 449 | mov eax, [esi + APPOBJ.fd] |
2288 | clevermous | 450 | test eax, eax |
451 | jz @F |
||
452 | |||
453 | cmp eax, esi |
||
454 | je @F |
||
455 | |||
456 | push esi |
||
9715 | Doczom | 457 | call [eax + APPOBJ.destroy] |
2288 | clevermous | 458 | DEBUGF 1,"%s",msg_obj_destroy |
459 | pop esi |
||
460 | jmp @B |
||
461 | @@: |
||
462 | mov esi, [.slot] |
||
3534 | clevermous | 463 | cmp [fpu_owner], esi ; if user fpu last -> fpu user = 2 |
2288 | clevermous | 464 | jne @F |
465 | |||
3534 | clevermous | 466 | mov [fpu_owner], 2 |
9715 | Doczom | 467 | mov eax, [SLOT_BASE + sizeof.APPDATA*2 + APPDATA.fpu_state] |
2288 | clevermous | 468 | clts |
469 | bt [cpu_caps], CAPS_SSE |
||
470 | jnc .no_SSE |
||
471 | fxrstor [eax] |
||
472 | jmp @F |
||
473 | .no_SSE: |
||
474 | fnclex |
||
475 | frstor [eax] |
||
476 | @@: |
||
477 | |||
478 | mov [KEY_COUNT], byte 0 ; empty keyboard buffer |
||
479 | mov [BTN_COUNT], byte 0 ; empty button buffer |
||
480 | |||
481 | |||
482 | ; remove defined hotkeys |
||
483 | mov eax, hotkey_list |
||
484 | .loop: |
||
485 | cmp [eax+8], esi |
||
486 | jnz .cont |
||
487 | mov ecx, [eax] |
||
488 | jecxz @f |
||
489 | push dword [eax+12] |
||
490 | pop dword [ecx+12] |
||
491 | @@: |
||
492 | mov ecx, [eax+12] |
||
493 | push dword [eax] |
||
494 | pop dword [ecx] |
||
495 | xor ecx, ecx |
||
496 | mov [eax], ecx |
||
497 | mov [eax+4], ecx |
||
498 | mov [eax+8], ecx |
||
499 | mov [eax+12], ecx |
||
500 | .cont: |
||
501 | add eax, 16 |
||
502 | cmp eax, hotkey_list+256*16 |
||
503 | jb .loop |
||
2709 | mario79 | 504 | ; get process PID |
505 | mov eax, esi |
||
9692 | Doczom | 506 | shl eax, BSF sizeof.APPDATA |
507 | mov eax, [eax + SLOT_BASE + APPDATA.tid] |
||
2709 | mario79 | 508 | ; compare current lock input with process PID |
509 | cmp eax, [PID_lock_input] |
||
510 | jne @f |
||
511 | |||
512 | xor eax, eax |
||
513 | mov [PID_lock_input], eax |
||
514 | @@: |
||
2288 | clevermous | 515 | ; remove hotkeys in buffer |
516 | mov eax, hotkey_buffer |
||
517 | .loop2: |
||
518 | cmp [eax], esi |
||
519 | jnz .cont2 |
||
520 | and dword [eax+4], 0 |
||
521 | and dword [eax], 0 |
||
522 | .cont2: |
||
523 | add eax, 8 |
||
524 | cmp eax, hotkey_buffer+120*8 |
||
525 | jb .loop2 |
||
526 | |||
527 | mov ecx, esi ; remove buttons |
||
9910 | Doczom | 528 | .bnewba2: |
2288 | clevermous | 529 | mov edi, [BTN_ADDR] |
530 | mov eax, edi |
||
531 | cld |
||
532 | movzx ebx, word [edi] |
||
533 | inc bx |
||
9910 | Doczom | 534 | .bnewba: |
2288 | clevermous | 535 | dec bx |
9910 | Doczom | 536 | jz .bnmba |
2288 | clevermous | 537 | add eax, 0x10 |
538 | cmp cx, [eax] |
||
9910 | Doczom | 539 | jnz .bnewba |
2288 | clevermous | 540 | pusha |
541 | mov ecx, ebx |
||
542 | inc ecx |
||
543 | shl ecx, 4 |
||
544 | mov ebx, eax |
||
545 | add eax, 0x10 |
||
546 | call memmove |
||
547 | dec dword [edi] |
||
548 | popa |
||
9910 | Doczom | 549 | jmp .bnewba2 |
550 | .bnmba: |
||
2288 | clevermous | 551 | |
552 | pusha ; save window coordinates for window restoring |
||
553 | cld |
||
8858 | rgimad | 554 | shl esi, BSF sizeof.WDATA |
2288 | clevermous | 555 | add esi, window_data |
9715 | Doczom | 556 | mov eax, [esi + WDATA.box.left] |
2288 | clevermous | 557 | mov [draw_limits.left], eax |
9715 | Doczom | 558 | add eax, [esi + WDATA.box.width] |
2288 | clevermous | 559 | mov [draw_limits.right], eax |
9715 | Doczom | 560 | mov eax, [esi + WDATA.box.top] |
2288 | clevermous | 561 | mov [draw_limits.top], eax |
9715 | Doczom | 562 | add eax, [esi + WDATA.box.height] |
2288 | clevermous | 563 | mov [draw_limits.bottom], eax |
564 | |||
565 | xor eax, eax |
||
8858 | rgimad | 566 | mov edi, esi |
567 | mov ecx, sizeof.WDATA/4 |
||
568 | rep stosd |
||
569 | |||
9715 | Doczom | 570 | lea edi, [esi - window_data + draw_data] |
8858 | rgimad | 571 | mov ecx, sizeof.WDATA/4 |
2288 | clevermous | 572 | rep stosd |
573 | popa |
||
574 | |||
575 | ; debuggee test |
||
576 | pushad |
||
577 | mov edi, esi |
||
9692 | Doczom | 578 | shl edi, BSF sizeof.APPDATA |
579 | mov eax, [SLOT_BASE + edi + APPDATA.debugger_slot] |
||
2288 | clevermous | 580 | test eax, eax |
581 | jz .nodebug |
||
3598 | clevermous | 582 | movi ecx, 8 |
9692 | Doczom | 583 | push dword [SLOT_BASE + edi + APPDATA.tid]; PID |
2288 | clevermous | 584 | push 2 |
585 | call debugger_notify |
||
586 | pop ecx |
||
587 | pop ecx |
||
588 | .nodebug: |
||
589 | popad |
||
590 | |||
591 | mov ebx, [.slot] |
||
9709 | Doczom | 592 | shl ebx, BSF sizeof.APPDATA |
2288 | clevermous | 593 | push ebx |
9715 | Doczom | 594 | mov ebx, [SLOT_BASE + ebx + APPDATA.pl0_stack] |
2288 | clevermous | 595 | |
596 | stdcall kernel_free, ebx |
||
597 | |||
598 | pop ebx |
||
9715 | Doczom | 599 | mov ebx, [SLOT_BASE + ebx + APPDATA.cur_dir] |
2288 | clevermous | 600 | stdcall kernel_free, ebx |
601 | |||
602 | mov edi, [.slot] |
||
9709 | Doczom | 603 | shl edi, BSF sizeof.APPDATA |
2288 | clevermous | 604 | add edi, SLOT_BASE |
605 | |||
9715 | Doczom | 606 | mov eax, [edi + APPDATA.io_map] |
607 | cmp eax, [SLOT_BASE + sizeof.APPDATA+APPDATA.io_map] |
||
2288 | clevermous | 608 | je @F |
609 | call free_page |
||
610 | @@: |
||
611 | mov eax, [edi+APPDATA.io_map+4] |
||
8093 | dunkaist | 612 | cmp eax, [SLOT_BASE+sizeof.APPDATA+APPDATA.io_map+4] |
2288 | clevermous | 613 | je @F |
614 | call free_page |
||
615 | @@: |
||
9715 | Doczom | 616 | lea ebx, [edi + APPDATA.list] |
5130 | serge | 617 | list_del ebx ;destroys edx, ecx |
618 | |||
2288 | clevermous | 619 | ; activate window |
620 | movzx eax, word [WIN_STACK + esi*2] |
||
8866 | rgimad | 621 | cmp eax, [thread_count] |
2288 | clevermous | 622 | jne .dont_activate |
623 | pushad |
||
624 | .check_next_window: |
||
625 | dec eax |
||
626 | cmp eax, 1 |
||
627 | jbe .nothing_to_activate |
||
9715 | Doczom | 628 | lea esi, [WIN_POS + eax*2] |
2288 | clevermous | 629 | movzx edi, word [esi] ; edi = process |
9709 | Doczom | 630 | shl edi, BSF sizeof.APPDATA |
631 | cmp [SLOT_BASE + edi + APPDATA.state], TSTATE_FREE ; skip free slots |
||
2288 | clevermous | 632 | je .check_next_window |
9709 | Doczom | 633 | shr edi, 3 |
2288 | clevermous | 634 | add edi, window_data |
635 | ; \begin{diamond}[19.09.2006] |
||
636 | ; skip minimized windows |
||
637 | test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED |
||
638 | jnz .check_next_window |
||
639 | ; \end{diamond} |
||
640 | call waredraw |
||
641 | .nothing_to_activate: |
||
642 | popad |
||
643 | .dont_activate: |
||
644 | |||
645 | push esi ; remove hd1 & cd & flp reservation |
||
9692 | Doczom | 646 | shl esi, BSF sizeof.APPDATA |
9715 | Doczom | 647 | mov esi, [SLOT_BASE + esi + APPDATA.tid] |
2288 | clevermous | 648 | cmp [cd_status], esi |
649 | jnz @f |
||
650 | call free_cd_channel |
||
651 | and [cd_status], 0 |
||
652 | @@: |
||
653 | pop esi |
||
654 | cmp [bgrlockpid], esi |
||
655 | jnz @f |
||
656 | and [bgrlockpid], 0 |
||
657 | and [bgrlock], 0 |
||
658 | @@: |
||
659 | |||
660 | pusha ; remove all port reservations |
||
661 | mov edx, esi |
||
9692 | Doczom | 662 | shl edx, BSF sizeof.APPDATA |
9715 | Doczom | 663 | mov edx, [SLOT_BASE + edx + APPDATA.tid] |
2288 | clevermous | 664 | |
9910 | Doczom | 665 | .rmpr0: |
2288 | clevermous | 666 | mov esi, [RESERVED_PORTS] |
667 | |||
668 | test esi, esi |
||
9910 | Doczom | 669 | jz .rmpr9 |
2288 | clevermous | 670 | |
9910 | Doczom | 671 | .rmpr3: |
2288 | clevermous | 672 | |
673 | mov edi, esi |
||
674 | shl edi, 4 |
||
675 | add edi, RESERVED_PORTS |
||
676 | |||
677 | cmp edx, [edi] |
||
9910 | Doczom | 678 | je .rmpr4 |
2288 | clevermous | 679 | |
680 | dec esi |
||
9910 | Doczom | 681 | jnz .rmpr3 |
2288 | clevermous | 682 | |
9910 | Doczom | 683 | jmp .rmpr9 |
2288 | clevermous | 684 | |
9910 | Doczom | 685 | .rmpr4: |
2288 | clevermous | 686 | |
687 | mov ecx, 256 |
||
688 | sub ecx, esi |
||
689 | shl ecx, 4 |
||
690 | |||
691 | mov esi, edi |
||
692 | add esi, 16 |
||
693 | cld |
||
694 | rep movsb |
||
695 | |||
696 | dec dword [RESERVED_PORTS] |
||
697 | |||
9910 | Doczom | 698 | jmp .rmpr0 |
2288 | clevermous | 699 | |
9910 | Doczom | 700 | .rmpr9: |
9743 | Doczom | 701 | popa |
2288 | clevermous | 702 | |
9743 | Doczom | 703 | ; clearing APPDATA structure this thread |
704 | pushad |
||
705 | mov edi, esi |
||
706 | shl edi, BSF sizeof.APPDATA |
||
707 | add edi, SLOT_BASE |
||
708 | mov eax, 0x20202020 |
||
709 | stosd |
||
710 | stosd |
||
711 | stosd |
||
712 | mov ecx, 244/4 |
||
713 | xor eax, eax |
||
714 | rep stosd |
||
715 | popad |
||
716 | |||
2288 | clevermous | 717 | mov edi, esi ; do not run this process slot |
9709 | Doczom | 718 | shl edi, BSF sizeof.APPDATA |
9715 | Doczom | 719 | mov [SLOT_BASE + edi + APPDATA.state], TSTATE_FREE |
2288 | clevermous | 720 | ; debugger test - terminate all debuggees |
721 | mov eax, 2 |
||
9715 | Doczom | 722 | mov ecx, SLOT_BASE + 2*sizeof.APPDATA + APPDATA.debugger_slot |
2288 | clevermous | 723 | .xd0: |
8866 | rgimad | 724 | cmp eax, [thread_count] |
2288 | clevermous | 725 | ja .xd1 |
726 | cmp dword [ecx], esi |
||
727 | jnz @f |
||
728 | and dword [ecx], 0 |
||
729 | pushad |
||
730 | xchg eax, ecx |
||
731 | mov ebx, 2 |
||
732 | call sys_system |
||
733 | popad |
||
734 | @@: |
||
735 | inc eax |
||
9692 | Doczom | 736 | add ecx, sizeof.APPDATA |
2288 | clevermous | 737 | jmp .xd0 |
738 | .xd1: |
||
5130 | serge | 739 | ;release slot |
740 | |||
741 | bts [thr_slot_map], esi |
||
742 | |||
743 | mov ecx, [.process] |
||
9715 | Doczom | 744 | lea eax, [ecx + PROC.thr_list] |
745 | cmp eax, [eax + LHEAD.next] |
||
5130 | serge | 746 | jne @F |
747 | |||
748 | call destroy_process.internal |
||
749 | @@: |
||
2288 | clevermous | 750 | sti ; .. and life goes on |
751 | |||
752 | mov eax, [draw_limits.left] |
||
753 | mov ebx, [draw_limits.top] |
||
754 | mov ecx, [draw_limits.right] |
||
755 | mov edx, [draw_limits.bottom] |
||
756 | call calculatescreen |
||
757 | xor eax, eax |
||
758 | xor esi, esi |
||
759 | call redrawscreen |
||
760 | |||
3534 | clevermous | 761 | call unlock_application_table |
2288 | clevermous | 762 | ;mov esi,process_terminated |
763 | ;call sys_msg_board_str |
||
5130 | serge | 764 | add esp, 8 |
2288 | clevermous | 765 | ret |
766 | restore .slot |
||
5130 | serge | 767 | restore .process |
2288 | clevermous | 768 | |
3296 | clevermous | 769 | ; Three following procedures are used to guarantee that |
770 | ; some part of kernel code will not be terminated from outside |
||
771 | ; while it is running. |
||
772 | ; Note: they do not protect a thread from terminating due to errors inside |
||
773 | ; the thread; accessing a nonexisting memory would still terminate it. |
||
774 | |||
775 | ; First two procedures must be used in pair by thread-to-be-protected |
||
776 | ; to signal the beginning and the end of an important part. |
||
777 | ; It is OK to have nested areas. |
||
778 | |||
779 | ; The last procedure must be used by outside wanna-be-terminators; |
||
780 | ; if it is safe to terminate the given thread immediately, it returns eax=1; |
||
781 | ; otherwise, it returns eax=0 and notifies the target thread that it should |
||
782 | ; terminate itself when leaving a critical area (the last critical area if |
||
783 | ; they are nested). |
||
784 | |||
785 | ; Implementation. Those procedures use one dword in APPDATA for the thread, |
||
786 | ; APPDATA.terminate_protection. |
||
787 | ; * The upper bit is 1 during normal operations and 0 when terminate is requested. |
||
788 | ; * Other bits form a number = depth of critical regions, |
||
789 | ; plus 1 if the upper bit is 1. |
||
790 | ; * When this dword goes to zero, the thread should be destructed, |
||
791 | ; and the procedure in which it happened becomes responsible for destruction. |
||
792 | |||
793 | ; Enter critical area. Called by thread which wants to be protected. |
||
794 | proc protect_from_terminate |
||
795 | mov edx, [current_slot] |
||
796 | ; Atomically increment depth of critical areas and get the old value. |
||
797 | mov eax, 1 |
||
9715 | Doczom | 798 | lock xadd [edx + APPDATA.terminate_protection], eax |
3296 | clevermous | 799 | ; If the old value was zero, somebody has started to terminate us, |
800 | ; so we are destructing and cannot do anything protected. |
||
801 | ; Otherwise, return to the caller. |
||
802 | test eax, eax |
||
803 | jz @f |
||
804 | ret |
||
805 | @@: |
||
806 | ; Wait for somebody to finish us. |
||
807 | call change_task |
||
808 | jmp @b |
||
809 | endp |
||
810 | |||
811 | ; Leave critical area. Called by thread which wants to be protected. |
||
812 | proc unprotect_from_terminate |
||
813 | mov edx, [current_slot] |
||
814 | ; Atomically decrement depth of critical areas. |
||
9715 | Doczom | 815 | lock dec [edx + APPDATA.terminate_protection] |
3296 | clevermous | 816 | ; If the result of decrement is zero, somebody has requested termination, |
817 | ; but at that moment we were inside a critical area; terminate now. |
||
818 | jz sys_end |
||
819 | ; Otherwise, return to the caller. |
||
820 | ret |
||
821 | endp |
||
822 | |||
8093 | dunkaist | 823 | ; Request termination of thread identified by edx = SLOT_BASE + slot*sizeof.APPDATA. |
3296 | clevermous | 824 | ; Called by anyone. |
825 | proc request_terminate |
||
826 | xor eax, eax ; set return value |
||
827 | ; Atomically clear the upper bit. If it was already zero, then |
||
828 | ; somebody has requested termination before us, so just exit. |
||
9715 | Doczom | 829 | lock btr [edx + APPDATA.terminate_protection], 31 |
3296 | clevermous | 830 | jnc .unsafe |
831 | ; Atomically decrement depth of critical areas. |
||
9715 | Doczom | 832 | lock dec [edx + APPDATA.terminate_protection] |
3296 | clevermous | 833 | ; If the result of decrement is nonzero, the target thread is inside a |
834 | ; critical area; leave termination to leaving that area. |
||
835 | jnz .unsafe |
||
836 | ; Otherwise, it is safe to kill the target now and the caller is responsible |
||
837 | ; for this. Return eax=1. |
||
838 | inc eax |
||
839 | .unsafe: |
||
840 | ret |
||
841 | endp |
||
842 |