WebSVN – Kolibri OS – Blame – /kernel/branches/flat_kernel/core/taskman.inc

Rev	Author	Line No.	Line
357	serge	1	GREEDY_KERNEL equ 0
164	serge	2
170	serge	3
164	serge	4	struc APP_HEADER_00
		5	{ .banner dq ?
		6	.version dd ? ;+8
		7	.start dd ? ;+12
		8	.i_end dd ? ;+16
		9	.mem_size dd ? ;+20
		10	.i_param dd ? ;+24
		11	}
		12
		13	struc APP_HEADER_01
		14	{ .banner dq ?
		15	.version dd ? ;+8
		16	.start dd ? ;+12
		17	.i_end dd ? ;+16
		18	.mem_size dd ? ;+20
		19	.stack_top dd ? ;+24
		20	.i_param dd ? ;+28
		21	.i_icon dd ? ;+32
		22	}
		23
237	serge	24	struc TSS
		25	{
		26	._back rw 2
		27	._esp0 rd 1
		28	._ss0 rw 2
		29	._esp1 rd 1
		30	._ss1 rw 2
		31	._esp2 rd 1
		32	._ss2 rw 2
		33	._cr3 rd 1
		34	._eip rd 1
		35	._eflags rd 1
		36	._eax rd 1
		37	._ecx rd 1
		38	._edx rd 1
		39	._ebx rd 1
		40	._esp rd 1
		41	._ebp rd 1
		42	._esi rd 1
		43	._edi rd 1
		44	._es rw 2
		45	._cs rw 2
		46	._ss rw 2
		47	._ds rw 2
		48	._fs rw 2
		49	._gs rw 2
		50	._ldt rw 2
		51	._trap rw 1
		52	._io rw 1
		53	}
		54
		55	virtual at 0
		56	TSS TSS
		57	end virtual
		58
		59	struc APP_PARAMS
		60	{ .app_cmdline ;0x00
		61	.app_path ;0x04
		62	.app_eip ;0x08
		63	.app_esp ;0x0C
		64	.app_mem ;0x10
		65	}
		66
		67	macro _clear_ op
		68	{ mov ecx, op/4
		69	xor eax, eax
		70	cld
		71	rep stosd
		72	}
		73
363	serge	74
164	serge	75	align 4
363	serge	76	proc fs_execute
		77
		78	;fn_read:dword, file_size:dword, cluster:dword
		79
		80	; ebx - cmdline
		81	; edx - flags
		82	; ebp - full filename
		83	; [esp+4] = procedure DoRead, [esp+8] = filesize & [esp+12]... - arguments for it
		84
237	serge	85	locals
363	serge	86	cmdline rd 64 ;256/4
		87	filename rd 256 ;1024/4
		88	flags dd ?
		89
237	serge	90	save_cr3 dd ?
		91	slot dd ?
		92	slot_base dd ?
		93	file_base dd ?
		94	file_size dd ?
363	serge	95	;app header data
		96	hdr_cmdline dd ? ;0x00
		97	hdr_path dd ? ;0x04
		98	hdr_eip dd ? ;0x08
		99	hdr_esp dd ? ;0x0C
		100	hdr_mem dd ? ;0x10
		101	hdr_i_end dd ? ;0x14
237	serge	102	endl
164	serge	103
363	serge	104	pushad
		105
		106	mov [cmdline], ebx
		107	mov [flags], edx
		108
		109	; [ebp] pointer to filename
		110
		111	lea eax, [filename]
		112	mov dword [eax+1020],0 ;force terminate
		113	;string
		114	stdcall k_strncpy, eax, [ebp], 1023
		115
		116	lea eax, [cmdline]
		117	mov dword [eax+252], 0
		118	stdcall k_strncpy, eax, [cmdline], 255
		119
		120	lea eax, [filename]
		121	stdcall load_file, eax
237	serge	122	mov ecx, -ERROR_FILE_NOT_FOUND
		123	test eax, eax
247	serge	124	jz .err_file
237	serge	125
		126	mov [file_base], eax
		127	mov [file_size], ebx
		128
363	serge	129	lea ebx, [hdr_cmdline]
237	serge	130	call test_app_header
		131	mov ecx, -0x1F
		132	test eax, eax
247	serge	133	jz .err_hdr
237	serge	134
		135	mov esi, new_process_loading
		136	call sys_msg_board_str ; write message to message board
		137
		138	.wait_lock:
		139	cmp [application_table_status],0
		140	je .get_lock
		141	call change_task
		142	jmp .wait_lock
		143
		144	.get_lock:
		145	mov eax, 1
		146	xchg eax, [application_table_status]
		147	cmp eax, 0
		148	jne .wait_lock
		149
363	serge	150	; pushfd
		151	; cli
269	serge	152
237	serge	153	call set_application_table_status
		154
		155	call get_new_process_place
		156	test eax, eax
		157	mov ecx, -0x20 ; too many processes
269	serge	158	jz .err
237	serge	159
		160	mov [slot], eax
		161	shl eax, 8
380	serge	162	add eax, SLOT_BASE
237	serge	163	mov [slot_base], eax
		164	mov edi, eax
		165	_clear_ 256 ;clean extended information about process
		166
		167	; write application name
363	serge	168	lea edi, [filename]
237	serge	169	mov al, '/'
		170	call k_strrchr ; now eax points to name without path
		171
		172	lea esi, [eax+1]
		173	test eax, eax
		174	jnz @F
363	serge	175	lea esi, [filename]
237	serge	176	@@:
		177	mov ecx, 8 ; 8 chars for name
		178	mov edi, [slot_base]
		179	.copy_process_name_loop:
		180	lodsb
		181	cmp al, '.'
		182	jz .copy_process_name_done
		183	test al, al
		184	jz .copy_process_name_done
		185	stosb
		186	loop .copy_process_name_loop
		187	.copy_process_name_done:
		188
		189	mov ebx, cr3
		190	mov [save_cr3], ebx
269	serge	191
363	serge	192	stdcall create_app_space,[hdr_mem],[file_base],[file_size]
364	diamond	193	mov ecx, -30 ; no memory
237	serge	194	test eax, eax
		195	jz .failed
		196
		197	mov ebx,[slot_base]
		198	mov [ebx+APPDATA.dir_table],eax
363	serge	199	mov eax,[hdr_mem]
237	serge	200	mov [ebx+APPDATA.mem_size],eax
		201
357	serge	202	if GREEDY_KERNEL
		203	else
363	serge	204	mov ecx, [hdr_mem]
269	serge	205	mov edi, [file_size]
		206	add edi, 4095
		207	and edi, not 4095
		208	sub ecx, edi
		209	jna @F
		210
		211	xor eax, eax
		212	add edi, new_app_base
237	serge	213	cld
269	serge	214	rep stosb
247	serge	215	@@:
269	serge	216	end if
		217
		218	; release only virtual space, not phisical memory
		219
		220	stdcall free_kernel_space, [file_base]
363	serge	221	lea eax, [hdr_cmdline]
		222	lea ebx, [cmdline]
		223	lea ecx, [filename]
		224	stdcall set_app_params ,[slot],eax,ebx,ecx,[flags]
237	serge	225
		226	mov eax, [save_cr3]
		227	call set_cr3
		228
247	serge	229	xor ebx, ebx
		230	mov [application_table_status],ebx ;unlock application_table_status mutex
		231	mov eax,[process_number] ;set result
164	serge	232	ret
237	serge	233	.failed:
		234	mov eax, [save_cr3]
		235	call set_cr3
269	serge	236	.err:
247	serge	237	.err_hdr:
		238	stdcall kernel_free,[file_base]
		239	.err_file:
237	serge	240	xor eax, eax
		241	mov [application_table_status],eax
321	diamond	242	mov eax, ecx
237	serge	243	ret
		244	endp
164	serge	245
237	serge	246	align 4
		247	test_app_header:
		248	virtual at eax
		249	APP_HEADER_00 APP_HEADER_00
		250	end virtual
		251	virtual at eax
164	serge	252	APP_HEADER_01 APP_HEADER_01
		253	end virtual
		254
237	serge	255	cmp dword [eax], 'MENU'
		256	jne .fail
		257	cmp word [eax+4],'ET'
		258	jne .fail
164	serge	259
237	serge	260	cmp [eax+6], word '00'
		261	jne .check_01_header
164	serge	262
237	serge	263	mov ecx,[APP_HEADER_00.start]
		264	mov [ebx+0x08], ecx ;app_eip
		265	mov edx,[APP_HEADER_00.mem_size]
		266	mov [ebx+0x10], edx ;app_mem
		267	shr edx,1
		268	sub edx,0x10
		269	mov [ebx+0x0C], edx ;app_esp
		270	mov ecx,[APP_HEADER_00.i_param]
		271	mov [ebx], ecx ;app_cmdline
		272	mov [ebx+4], dword 0 ;app_path
269	serge	273	mov edx, [APP_HEADER_00.i_end]
		274	mov [ebx+0x14], edx
164	serge	275	ret
		276
237	serge	277	.check_01_header:
164	serge	278
237	serge	279	cmp [eax+6],word '01'
		280	jne .fail
		281
		282	mov ecx,[APP_HEADER_01.start]
		283	mov [ebx+0x08], ecx ;app_eip
		284	mov edx,[APP_HEADER_01.mem_size]
381	serge	285
		286	; \begin{diamond}[20.08.2006]
		287	; sanity check (functions 19,58 load app_i_end bytes and that must
		288	; fit in allocated memory to prevent kernel faults)
		289	cmp edx,[APP_HEADER_01.i_end]
		290	jb .fail
		291	; \end{diamond}[20.08.2006]
		292
237	serge	293	mov [ebx+0x10], edx ;app_mem
		294	mov ecx,[APP_HEADER_01.stack_top]
		295	mov [ebx+0x0C], ecx ;app_esp
		296	mov edx,[APP_HEADER_01.i_param]
		297	mov [ebx], edx ;app_cmdline
		298	mov ecx,[APP_HEADER_01.i_icon]
		299	mov [ebx+4], ecx ;app_path
269	serge	300	mov edx, [APP_HEADER_01.i_end]
		301	mov [ebx+0x14], edx
237	serge	302	ret
		303	.fail:
164	serge	304	xor eax, eax
		305	ret
		306
		307	align 4
		308	proc get_new_process_place
		309	;input:
		310	; none
		311	;result:
		312	; eax=[new_process_place]<>0 - ok
		313	; 0 - failed.
		314	;This function find least empty slot.
		315	;It doesn't increase [TASK_COUNT]!
		316	mov eax,CURRENT_TASK
		317	mov ebx,[TASK_COUNT]
		318	inc ebx
		319	shl ebx,5
		320	add ebx,eax ;ebx - address of process information for (last+1) slot
		321	.newprocessplace:
		322	;eax = address of process information for current slot
		323	cmp eax,ebx
		324	jz .endnewprocessplace ;empty slot after high boundary
		325	add eax,0x20
		326	cmp word [eax+0xa],9 ;check process state, 9 means that process slot is empty
		327	jnz .newprocessplace
		328	.endnewprocessplace:
		329	mov ebx,eax
		330	sub eax,CURRENT_TASK
		331	shr eax,5 ;calculate slot index
		332	cmp eax,256
		333	jge .failed ;it should be <256
		334	mov word [ebx+0xa],9 ;set process state to 9 (for slot after hight boundary)
		335	ret
		336	.failed:
		337	xor eax,eax
		338	ret
		339	endp
		340
		341	align 4
269	serge	342	proc create_app_space stdcall, app_size:dword,img_base:dword,img_size:dword
164	serge	343	locals
		344	app_pages dd ?
		345	img_pages dd ?
		346	dir_addr dd ?
		347	app_tabs dd ?
		348	endl
		349
276	serge	350	mov ebx, pg_data.pg_mutex
		351	call wait_mutex ;ebx
164	serge	352
		353	xor eax, eax
		354	mov [dir_addr], eax
		355
		356	mov eax, [app_size]
172	serge	357	add eax, 4095
164	serge	358	and eax, NOT(4095)
		359	mov [app_size], eax
		360	mov ebx, eax
		361	shr eax, 12
		362	mov [app_pages], eax
170	serge	363
164	serge	364	add ebx, 0x3FFFFF
		365	and ebx, NOT(0x3FFFFF)
		366	shr ebx, 22
		367	mov [app_tabs], ebx
		368
170	serge	369	mov ecx, [img_size]
		370	add ecx, 4095
		371	and ecx, NOT(4095)
164	serge	372
170	serge	373	mov [img_size], ecx
		374	shr ecx, 12
		375	mov [img_pages], ecx
164	serge	376
170	serge	377	if GREEDY_KERNEL
		378	lea eax, [ecx+ebx+2] ;only image size
		379	else
		380	lea eax, [eax+ebx+2] ;all requested memory
		381	end if
		382	cmp eax, [pg_data.pages_free]
		383	ja .fail
		384
164	serge	385	call alloc_page
		386	test eax, eax
		387	jz .fail
		388	mov [dir_addr], eax
		389	stdcall map_page,[tmp_task_pdir],eax,dword PG_SW
		390
		391	mov edi, [tmp_task_pdir]
400	serge	392	mov ecx, (page_tabs shr 20)/4
394	serge	393	xor eax, eax
		394	rep stosd
		395
400	serge	396	mov eax, [dir_addr]
		397	or eax, PG_SW
		398	stosd
		399
		400	mov esi, sys_pgdir+(OS_BASE shr 20)
394	serge	401	mov ecx, (OS_BASE shr 20)/4
164	serge	402	cld
		403	rep movsd
		404
378	serge	405	mov eax, [dir_addr]
164	serge	406	call set_cr3
		407
		408	mov edx, [app_tabs]
		409	mov edi, new_app_base
		410	@@:
		411	call alloc_page
		412	test eax, eax
		413	jz .fail
		414
188	serge	415	stdcall map_page_table, edi, eax
164	serge	416	add edi, 0x00400000
		417	dec edx
		418	jnz @B
		419
		420	mov edi, new_app_base
		421	shr edi, 10
365	serge	422	add edi, page_tabs
269	serge	423
164	serge	424	mov ecx, [app_tabs]
		425	shl ecx, 10
		426	xor eax, eax
		427	rep stosd
		428
269	serge	429	mov ecx, [img_pages]
		430	mov ebx, PG_UW
164	serge	431	mov edx, new_app_base
269	serge	432	mov esi, [img_base]
		433	mov edi, new_app_base
		434	shr esi, 10
		435	shr edi, 10
365	serge	436	add esi, page_tabs
		437	add edi, page_tabs
269	serge	438	.remap:
		439	lodsd
		440	or eax, ebx ; force user level r/w access
		441	stosd
		442	add edx, 0x1000
		443	dec [app_pages]
		444	dec ecx
		445	jnz .remap
		446
		447	mov ecx, [app_pages]
		448	test ecx, ecx
		449	jz .done
		450
		451	if GREEDY_KERNEL
		452	mov eax, 0x02
		453	.reserve:
		454	stosd
		455	invlpg [edx]
		456	add edx, 4096
		457	dec ecx
		458	jnz .reserve
		459	else
		460
164	serge	461	.alloc:
		462	call alloc_page
		463	test eax, eax
		464	jz .fail
		465
		466	stdcall map_page,edx,eax,dword PG_UW
		467	add edx, 0x1000
269	serge	468	dec [app_pages]
164	serge	469	jnz .alloc
269	serge	470	end if
164	serge	471
269	serge	472	.done:
164	serge	473	stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP
		474
		475	dec [pg_data.pg_mutex]
		476	mov eax, [dir_addr]
		477	ret
		478	.fail:
		479	dec [pg_data.pg_mutex]
		480	cmp [dir_addr], 0
357	serge	481	je @f
164	serge	482	stdcall destroy_app_space, [dir_addr]
		483	@@:
		484	xor eax, eax
		485	ret
		486	endp
		487
		488	align 4
		489	set_cr3:
		490	mov esi, [CURRENT_TASK]
		491	mov ebx, esi
		492	shl esi,8
380	serge	493	mov [SLOT_BASE+esi+0xB8],eax
164	serge	494	imul ebx,tss_step
		495	add ebx,tss_data
		496	mov [ebx+28], eax
		497	mov cr3, eax
		498	ret
		499
		500	align 4
		501	proc destroy_page_table stdcall, pg_tab:dword
		502
		503	push esi
		504
		505	mov esi, [pg_tab]
		506	mov ecx, 1024
		507	.free:
		508	mov eax, [esi]
		509	test eax, 1
		510	jz .next
		511	call free_page
		512	.next:
		513	add esi, 4
		514	dec ecx
		515	jnz .free
		516	pop esi
		517	ret
		518	endp
		519
		520	align 4
		521	proc destroy_app_space stdcall, pg_dir:dword
		522
276	serge	523	mov ebx, pg_data.pg_mutex
		524	call wait_mutex ;ebx
164	serge	525
		526	xor edx,edx
		527	mov eax,0x2
		528	mov ebx, [pg_dir]
		529	.loop:
		530	;eax = current slot of process
		531	mov ecx,eax
		532	shl ecx,5
		533	cmp byte [CURRENT_TASK+ecx+0xa],9 ;if process running?
		534	jz @f ;skip empty slots
		535	shl ecx,3
380	serge	536	cmp [SLOT_BASE+ecx+0xB8],ebx ;compare page directory addresses
164	serge	537	jnz @f
		538	inc edx ;thread found
		539	@@:
		540	inc eax
		541	cmp eax,[TASK_COUNT] ;exit loop if we look through all processes
		542	jle .loop
		543
		544	;edx = number of threads
		545	;our process is zombi so it isn't counted
		546	cmp edx,1
		547	jg .exit
		548	;if there isn't threads then clear memory.
		549
		550	mov eax, [pg_dir]
		551	and eax, not 0xFFF
		552	stdcall map_page,[tmp_task_pdir],eax,dword PG_SW
		553	mov esi, [tmp_task_pdir]
400	serge	554	mov edi, (page_tabs shr 20)/4
164	serge	555	.destroy:
		556	mov eax, [esi]
		557	test eax, 1
		558	jz .next
		559	and eax, not 0xFFF
		560	stdcall map_page,[tmp_task_ptab],eax,dword PG_SW
		561	stdcall destroy_page_table, [tmp_task_ptab]
		562	mov eax, [esi]
		563	call free_page
		564	.next:
		565	add esi, 4
		566	dec edi
		567	jnz .destroy
		568
		569	mov eax, [pg_dir]
		570	call free_page
		571	.exit:
		572	stdcall map_page,[tmp_task_ptab],dword 0,dword PG_UNMAP
		573	stdcall map_page,[tmp_task_pdir],dword 0,dword PG_UNMAP
		574	dec [pg_data.pg_mutex]
		575	ret
		576	endp
		577
		578	pid_to_slot:
		579	;Input:
		580	; eax - pid of process
		581	;Output:
		582	; eax - slot of process or 0 if process don't exists
		583	;Search process by PID.
		584	push ebx
		585	push ecx
		586	mov ebx,[TASK_COUNT]
		587	shl ebx,5
		588	mov ecx,2*32
		589
		590	.loop:
		591	;ecx=offset of current process info entry
		592	;ebx=maximum permitted offset
		593	cmp byte [CURRENT_TASK+ecx+0xa],9
		594	jz .endloop ;skip empty slots
		595	cmp [CURRENT_TASK+ecx+0x4],eax ;check PID
		596	jz .pid_found
		597	.endloop:
		598	add ecx,32
		599	cmp ecx,ebx
		600	jle .loop
		601
		602	pop ecx
		603	pop ebx
		604	xor eax,eax
		605	ret
		606
		607	.pid_found:
		608	shr ecx,5
		609	mov eax,ecx ;convert offset to index of slot
		610	pop ecx
		611	pop ebx
		612	ret
		613
		614	check_region:
		615	;input:
		616	; ebx - start of buffer
		617	; ecx - size of buffer
		618	;result:
		619	; eax = 1 region lays in app memory
		620	; eax = 0 region don't lays in app memory
		621	mov eax,[CURRENT_TASK]
		622	jmp check_process_region
		623	;-----------------------------------------------------------------------------
		624	check_process_region:
		625	;input:
		626	; eax - slot
		627	; ebx - start of buffer
		628	; ecx - size of buffer
		629	;result:
		630	; eax = 1 region lays in app memory
		631	; eax = 0 region don't lays in app memory
		632
		633	test ecx,ecx
		634	jle .ok
		635	shl eax,5
		636	cmp word [CURRENT_TASK+eax+0xa],0
		637	jnz .failed
		638	shl eax,3
380	serge	639	mov eax,[SLOT_BASE+eax+0xb8]
164	serge	640	test eax,eax
		641	jz .failed
		642
		643	mov eax,1
		644	ret
		645
		646
		647	; call MEM_Get_Linear_Address
		648	; push ebx
		649	; push ecx
		650	; push edx
		651	; mov edx,ebx
		652	; and edx,not (4096-1)
		653	; sub ebx,edx
		654	; add ecx,ebx
		655	; mov ebx,edx
		656	; add ecx,(4096-1)
		657	; and ecx,not (4096-1)
		658	;.loop:
		659	;;eax - linear address of page directory
		660	;;ebx - current page
		661	;;ecx - current size
		662	; mov edx,ebx
		663	; shr edx,22
		664	; mov edx,[eax+4*edx]
		665	; and edx,not (4096-1)
		666	; test edx,edx
		667	; jz .failed1
		668	; push eax
		669	; mov eax,edx
		670	; call MEM_Get_Linear_Address
		671	; mov edx,ebx
		672	; shr edx,12
		673	; and edx,(1024-1)
		674	; mov eax,[eax+4*edx]
		675	; and eax,not (4096-1)
		676	; test eax,eax
		677	; pop eax
		678	; jz .failed1
		679	; add ebx,4096
		680	; sub ecx,4096
		681	; jg .loop
		682	; pop edx
		683	; pop ecx
		684	; pop ebx
		685	.ok:
		686	mov eax,1
		687	ret
		688	;
		689	;.failed1:
		690	; pop edx
		691	; pop ecx
		692	; pop ebx
		693	.failed:
		694	xor eax,eax
		695	ret
		696
		697	align 4
		698	proc read_process_memory
		699	;Input:
		700	; eax - process slot
		701	; ebx - buffer address
		702	; ecx - buffer size
		703	; edx - start address in other process
		704	;Output:
		705	; eax - number of bytes read.
		706	locals
		707	slot dd ?
		708	buff dd ?
		709	r_count dd ?
		710	offset dd ?
		711	tmp_r_cnt dd ?
		712	endl
		713
		714	mov [slot], eax
		715	mov [buff], ebx
		716	mov [r_count], ecx
		717	mov [tmp_r_cnt], ecx
		718	mov [offset], edx
		719
		720	pushad
		721	.read_mem:
		722	mov edx, [offset]
		723	mov ebx, [tmp_r_cnt]
		724
		725	mov ecx, 0x400000
		726	and edx, 0x3FFFFF
		727	sub ecx, edx
		728	cmp ecx, ebx
		729	jbe @f
		730	mov ecx, ebx
		731	@@:
		732	cmp ecx, 0x8000
		733	jna @F
		734	mov ecx, 0x8000
		735	@@:
		736	mov eax, [slot]
		737	shl eax,8
		738	mov ebx, [offset]
		739	add ebx, new_app_base
		740	push ecx
		741	stdcall map_memEx, [proc_mem_map],\
380	serge	742	[SLOT_BASE+eax+0xB8],\
164	serge	743	ebx, ecx
		744	pop ecx
		745
		746	mov esi, [offset]
		747	and esi, 0xfff
		748	add esi, [proc_mem_map]
		749	mov edi, [buff]
		750	mov edx, ecx
		751	rep movsb
		752
		753	add [offset], edx
		754	sub [tmp_r_cnt], edx
		755	jnz .read_mem
		756
		757	popad
		758	mov eax, [r_count]
		759	ret
		760	endp
		761
		762	align 4
		763	proc write_process_memory
		764	;Input:
		765	; eax - process slot
		766	; ebx - buffer address
		767	; ecx - buffer size
		768	; edx - start address in other process
		769	;Output:
		770	; eax - number of bytes written
		771
		772	locals
		773	slot dd ?
		774	buff dd ?
		775	w_count dd ?
		776	offset dd ?
		777	tmp_w_cnt dd ?
		778	endl
		779
		780	mov [slot], eax
		781	mov [buff], ebx
		782	mov [w_count], ecx
		783	mov [tmp_w_cnt], ecx
		784	mov [offset], edx
		785
		786	pushad
		787	.read_mem:
		788	mov edx, [offset]
		789	mov ebx, [tmp_w_cnt]
		790
		791	mov ecx, 0x400000
		792	and edx, 0x3FFFFF
		793	sub ecx, edx
		794	cmp ecx, ebx
		795	jbe @f
		796	mov ecx, ebx
		797	@@:
		798	cmp ecx, 0x8000
		799	jna @F
		800	mov ecx, 0x8000
		801	@@:
		802	mov eax, [slot]
		803	shl eax,8
		804	mov ebx, [offset]
		805	add ebx, new_app_base
		806	push ecx
		807	stdcall map_memEx, [proc_mem_map],\
380	serge	808	[SLOT_BASE+eax+0xB8],\
164	serge	809	ebx, ecx
		810	pop ecx
		811
		812	mov edi, [offset]
		813	and edi, 0xfff
		814	add edi, [proc_mem_map]
		815	mov esi, [buff]
		816	mov edx, ecx
		817	rep movsb
		818
		819	add [offset], edx
		820	sub [tmp_w_cnt], edx
		821	jnz .read_mem
		822
		823	popad
		824	mov eax, [w_count]
		825	ret
		826	endp
		827
		828	align 4
		829	proc new_sys_threads
		830	locals
		831	slot dd ?
237	serge	832	app_cmdline dd ? ;0x00
		833	app_path dd ? ;0x04
		834	app_eip dd ? ;0x08
		835	app_esp dd ? ;0x0C
		836	app_mem dd ? ;0x10
164	serge	837	endl
		838
237	serge	839	cmp eax,1
		840	jne .failed ;other subfunctions
164	serge	841
237	serge	842	xor eax,eax
		843	mov [app_cmdline], eax
		844	mov [app_path], eax
		845	mov [app_eip], ebx
		846	mov [app_esp], ecx
164	serge	847
		848	mov esi,new_process_loading
		849	call sys_msg_board_str
		850	.wait_lock:
		851	cmp [application_table_status],0
		852	je .get_lock
		853	call change_task
		854	jmp .wait_lock
		855
		856	.get_lock:
		857	mov eax, 1
		858	xchg eax, [application_table_status]
		859	cmp eax, 0
		860	jne .wait_lock
		861
		862	call set_application_table_status
		863
		864	call get_new_process_place
		865	test eax, eax
		866	jz .failed
		867
		868	mov [slot], eax
		869
		870	mov esi,[CURRENT_TASK]
		871	shl esi,8
380	serge	872	add esi,SLOT_BASE
237	serge	873	mov ebx,esi ;ebx=esi - pointer to extended information about current thread
164	serge	874
237	serge	875	mov edi, eax
164	serge	876	shl edi,8
380	serge	877	add edi,SLOT_BASE
237	serge	878	mov edx,edi ;edx=edi - pointer to extended infomation about new thread
164	serge	879	mov ecx,256/4
237	serge	880	xor eax, eax
		881	cld
		882	rep stosd ;clean extended information about new thread
		883	mov esi,ebx
164	serge	884	mov edi,edx
		885	mov ecx,11
237	serge	886	rep movsb ;copy process name
164	serge	887
237	serge	888	mov eax,[ebx+APPDATA.heap_base]
		889	mov [edx+APPDATA.heap_base], eax
164	serge	890
237	serge	891	mov ecx,[ebx+APPDATA.heap_top]
		892	mov [edx+APPDATA.heap_top], ecx
		893
		894	mov eax,[ebx+APPDATA.mem_size]
		895	mov [edx+APPDATA.mem_size], eax
		896
		897	mov ecx,[ebx+APPDATA.dir_table]
		898	mov [edx+APPDATA.dir_table],ecx ;copy page directory
		899
		900	lea eax, [app_cmdline]
		901	stdcall set_app_params ,[slot],eax,dword 0,\
		902	dword 0,dword 0
		903
164	serge	904	mov esi,new_process_running
		905	call sys_msg_board_str ;output information about succefull startup
		906
		907	mov [application_table_status],0 ;unlock application_table_status mutex
		908	mov eax,[process_number] ;set result
		909	ret
		910	.failed:
		911	mov [application_table_status],0
		912	mov eax,-1
		913	ret
		914	endp
		915
276	serge	916	; param
		917	; ebx=mutex
		918
164	serge	919	align 4
276	serge	920	wait_mutex:
		921	push eax
		922	push ebx
321	diamond	923	.do_wait:
164	serge	924	cmp dword [ebx],0
		925	je .get_lock
		926	call change_task
321	diamond	927	jmp .do_wait
164	serge	928	.get_lock:
		929	mov eax, 1
		930	xchg eax, [ebx]
		931	test eax, eax
321	diamond	932	jnz .do_wait
276	serge	933	pop ebx
		934	pop eax
164	serge	935	ret
		936
237	serge	937	align 4
		938	proc set_app_params stdcall,slot:dword, params:dword,\
		939	cmd_line:dword, app_path:dword, flags:dword
164	serge	940
357	serge	941	locals
		942	pl0_stack dd ?
		943	endl
237	serge	944
357	serge	945	stdcall kernel_alloc, 0x2000
		946	mov [pl0_stack], eax
		947
		948	lea edi, [eax+0x2000-512]
		949
		950	mov eax, [slot]
		951	mov ebx, eax
		952
		953	shl eax, 8
380	serge	954	mov [eax+SLOT_BASE+APPDATA.fpu_state], edi
		955	mov [eax+SLOT_BASE+APPDATA.fpu_handler], 0
		956	mov [eax+SLOT_BASE+APPDATA.sse_handler], 0
357	serge	957
		958	mov esi, fpu_data
237	serge	959	mov ecx, 512/4
		960	rep movsd
		961
357	serge	962	cmp ebx,[TASK_COUNT]
		963	jle .noinc
		964	inc dword [TASK_COUNT] ;update number of processes
237	serge	965	.noinc:
281	serge	966	shl ebx,8
380	serge	967	lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET]
		968	mov [SLOT_BASE+APPDATA.fd_ev+ebx],edx
		969	mov [SLOT_BASE+APPDATA.bk_ev+ebx],edx
354	serge	970
		971	add edx, APP_OBJ_OFFSET-APP_EV_OFFSET
380	serge	972	mov [SLOT_BASE+APPDATA.fd_obj+ebx],edx
		973	mov [SLOT_BASE+APPDATA.bk_obj+ebx],edx
237	serge	974
281	serge	975	mov ecx, [def_cursor]
380	serge	976	mov [SLOT_BASE+APPDATA.cursor+ebx],ecx
357	serge	977	mov eax, [pl0_stack]
380	serge	978	mov [SLOT_BASE+APPDATA.pl0_stack+ebx],eax
281	serge	979
		980	shr ebx,3
237	serge	981	mov eax, new_app_base
		982	mov dword [CURRENT_TASK+ebx+0x10],eax
		983
		984	.add_command_line:
		985	mov edx,[params]
		986	mov edx,[edx] ;app_cmdline
		987	test edx,edx
		988	jz @F ;application don't need parameters
281	serge	989
		990	mov eax, edx
		991	add eax, 256
		992	jc @f
		993
380	serge	994	cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8]
281	serge	995	ja @f
		996
237	serge	997	add edx, new_app_base
262	diamond	998	stdcall k_strncpy, edx, [cmd_line], 256
237	serge	999	@@:
		1000	mov edx,[params]
		1001	mov edx, [edx+4] ;app_path
		1002	test edx,edx
		1003	jz @F ;application don't need path of file
262	diamond	1004	mov eax, edx
		1005	add eax, 1024
		1006	jc @f
380	serge	1007	cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8]
262	diamond	1008	ja @f
237	serge	1009	add edx, new_app_base
262	diamond	1010	stdcall k_strncpy, edx, [app_path], 1024
237	serge	1011	@@:
		1012	mov ebx,[slot]
		1013	mov eax,ebx
		1014	shl ebx,5
		1015	; set window state to 'normal' (non-minimized/maximized/rolled-up) state
		1016	mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL
		1017	mov [ebx+window_data+WDATA.fl_redraw], 1
		1018	add ebx,CURRENT_TASK ;ebx - pointer to information about process
		1019	mov [ebx+TASKDATA.wnd_number],al;set window number on screen = process slot
		1020
		1021	mov [ebx+TASKDATA.event_mask],dword 1+2+4 ;set default event flags (see 40 function)
		1022
		1023	inc dword [process_number]
		1024	mov eax,[process_number]
		1025	mov [ebx+4],eax ;set PID
		1026
		1027	mov ecx,ebx
		1028	add ecx,(draw_data-CURRENT_TASK) ;ecx - pointer to draw data
		1029	;set draw data to full screen
		1030
		1031	mov [ecx+0],dword 0
		1032	mov [ecx+4],dword 0
381	serge	1033	mov eax,[ScreenWidth]
237	serge	1034	mov [ecx+8],eax
381	serge	1035	mov eax,[ScreenHeight]
237	serge	1036	mov [ecx+12],eax
		1037
		1038	mov edi,[slot]
		1039	imul edi,tss_step
		1040	add edi,tss_data
		1041	mov ecx,128/4
		1042	xor eax, eax
		1043	cld
		1044	rep stosd
		1045	;Add IO access table - bit array of permitted ports
		1046	not eax
		1047	mov ecx,2048
		1048	rep stosd ; access to 4096*8=65536 ports
		1049	sub edi, tss_step
		1050
		1051	;set cr3 register in TSS of application
		1052	mov ecx, [slot]
		1053	shl ecx, 8
380	serge	1054	mov eax,[SLOT_BASE+ecx+APPDATA.dir_table]
237	serge	1055	mov [edi+TSS._cr3],eax
		1056
		1057	mov esi,[params]
		1058	mov eax, [esi+0x08] ;app_eip
		1059	mov [edi+TSS._eip],eax ;set eip in TSS
		1060	mov eax, [esi+0x0C] ;app_esp
		1061	mov [edi+TSS._esp],eax ;set stack in TSS
273	diamond	1062	mov [edi+TSS._eflags],dword 0x1202
237	serge	1063
		1064	mov [edi+TSS._cs],app_code ;selector of code segment
		1065	mov [edi+TSS._ss],app_data
		1066	mov [edi+TSS._ds],app_data
		1067	mov [edi+TSS._es],app_data
		1068	mov [edi+TSS._fs],app_data
		1069	mov [edi+TSS._gs],graph_data ;selector of graphic segment
		1070	mov [edi+TSS._io],word 128
		1071	mov [edi+TSS._ss0], os_data
357	serge	1072	mov ebx, [pl0_stack]
		1073	add ebx, 0x2000-512
237	serge	1074	mov [edi+TSS._esp0],ebx
		1075
		1076	mov ecx, edi ;ecx - address of application TSS
		1077	mov ebx,[slot]
		1078	shl ebx,3
		1079	;set TSS descriptor
		1080	mov [ebx+gdts+tss0+0],word tss_step ;limit (size)
		1081	mov [ebx+gdts+tss0+2],cx ;part of offset
		1082	shr ecx,16
		1083	mov [ebx+gdts+tss0+4],cl ;part of offset
		1084	mov [ebx+gdts+tss0+7],ch ;part of offset
		1085	mov [ebx+gdts+tss0+5],word 01010000b*256+11101001b ;system flags
		1086
		1087	;flush keyboard and buttons queue
		1088	mov [KEY_COUNT],byte 0
		1089	mov [BTN_COUNT],byte 0
		1090
		1091	mov edi,[slot]
		1092	shl edi,5
		1093	add edi,window_data
		1094	mov ebx,[slot]
		1095	movzx esi,word [WIN_STACK+ebx*2]
		1096	lea esi,[WIN_POS+esi*2]
		1097	call windowactivate ;gui initialization
		1098
		1099	mov ebx,[slot]
		1100	shl ebx,5
		1101	mov [CURRENT_TASK+ebx+0xa],byte 0 ;set process state - running
		1102	; set if debuggee
		1103	mov eax, [flags]
		1104	test byte [flags], 1
		1105	jz .no_debug
		1106	mov [CURRENT_TASK+ebx+0xa],byte 1 ;set process state - suspended
		1107	mov eax,[CURRENT_TASK]
380	serge	1108	mov [SLOT_BASE+ebx*8+0xac],eax ;set debugger PID - current
237	serge	1109	.no_debug:
		1110	mov esi,new_process_running
		1111	call sys_msg_board_str ;output information about succefull startup
		1112	ret
		1113	endp
		1114
164	serge	1115	include "debug.inc"
		1116

Subversion Repositories Kolibri OS

(root)/kernel/branches/flat_kernel/core/taskman.inc @ 445 – Rev 400