WebSVN – Kolibri OS – Blame – /kernel/branches/kolibri_pe/core/mm.asm

Rev	Author	Line No.	Line
846	serge	1	DWORD equ dword
		2	WORD equ word
		3	BYTE equ byte
		4
		5	PTR equ
		6
		7	_mem_counter equ (BOOT_VAR + 0x9100)
		8	_mem_table equ (BOOT_VAR + 0x9104)
		9
		10	_spinlock_initialize:
		11	mov eax, DWORD PTR [esp+4]
		12	mov DWORD PTR [eax], 0
		13	ret
		14
		15	_buddy_find_block:
		16	push ebx
		17	mov eax, DWORD PTR [eax+12]
		18	mov ebx, ecx
		19	sub edx, eax
		20	sar edx, 2
		21	imul ecx, edx, -858993459
		22	lea eax, [eax+edx*4]
		23	.L4:
		24	cmp DWORD PTR [eax+12], ebx
		25	jne .L7
		26	sub ecx, 1
		27	sub eax, 20
		28	cmp ecx, -1
		29	jne .L4
		30	xor eax, eax
		31	.L7:
		32	pop ebx
		33	ret
		34
		35	@buddy_system_free@8:
		36	push ebp
		37	mov ebp, edx
		38	push edi
		39	push esi
		40	mov esi, edx
		41	push ebx
		42	sub esp, 8
		43	mov ebx, DWORD PTR [edx+12]
		44	mov DWORD PTR [esp+4], ecx
		45	cmp BYTE PTR [ecx+24], bl
		46	mov edi, ebx
		47	je .L17
		48	mov edx, DWORD PTR [ecx+12]
		49	mov DWORD PTR [esp], edx
		50	jmp .L15
		51	.L30:
		52	mov eax, 1
		53	sal eax, cl
		54	add edx, eax
		55	mov eax, DWORD PTR [esp+4]
		56	cmp edx, DWORD PTR [eax+8]
		57	jae .L17
		58	.L31:
		59	lea eax, [edx+edx*4]
		60	mov edx, DWORD PTR [esp]
		61	lea ecx, [edx+eax*4]
		62	cmp ebx, DWORD PTR [ecx+12]
		63	jne .L17
		64	mov eax, DWORD PTR [ecx+8]
		65	test eax, eax
		66	jne .L17
		67	mov eax, DWORD PTR [ecx+4]
		68	cmp esi, ecx
		69	mov edx, DWORD PTR [ecx]
		70	mov DWORD PTR [esi+12], 255
		71	mov DWORD PTR [ecx+12], 255
		72	mov DWORD PTR [eax], edx
		73	mov edx, DWORD PTR [ecx]
		74	mov DWORD PTR [ecx], 0
		75	mov DWORD PTR [edx+4], eax
		76	mov edx, ebp
		77	mov DWORD PTR [ecx+4], 0
		78	jb .L26
		79	mov edx, ecx
		80	.L26:
		81	mov ecx, edi
		82	mov esi, edx
		83	movzx eax, cl
		84	mov ebp, edx
		85	lea ebx, [eax+1]
		86	mov eax, DWORD PTR [esp+4]
		87	mov DWORD PTR [edx+12], ebx
		88	movzx edi, BYTE PTR [eax+24]
		89	mov edx, edi
		90	cmp dl, bl
		91	je .L17
		92	mov edi, ebx
		93	.L15:
		94	mov eax, esi
		95	mov ecx, ebx
		96	sub eax, DWORD PTR [esp]
		97	sar eax, 2
		98	imul edx, eax, -858993459
		99	mov eax, edx
		100	shr eax, cl
		101	test al, 1
		102	je .L30
		103	mov eax, 1
		104	mov ecx, ebx
		105	sal eax, cl
		106	sub edx, eax
		107	mov eax, DWORD PTR [esp+4]
		108	cmp edx, DWORD PTR [eax+8]
		109	jb .L31
		110	.L17:
		111	mov ecx, edi
		112	movzx edx, cl
		113	mov ecx, DWORD PTR [esp+4]
		114	mov eax, DWORD PTR [ecx+28+edx*8]
		115	mov DWORD PTR [ebp], eax
		116	lea eax, [ecx+28+edx*8]
		117	mov DWORD PTR [ebp+4], eax
		118	mov eax, DWORD PTR [ecx+28+edx*8]
		119	mov DWORD PTR [ecx+28+edx*8], ebp
		120	mov DWORD PTR [eax+4], ebp
		121	add esp, 8
		122	pop ebx
		123	pop esi
		124	pop edi
		125	pop ebp
		126	ret
		127
		128	@buddy_system_alloc_block@8:
		129	push ebp
		130	mov ebp, ecx
		131	push edi
		132	mov ecx, 255
		133	push esi
		134	mov eax, ebp
		135	push ebx
		136	sub esp, 4
		137	mov DWORD PTR [esp], edx
		138	call _buddy_find_block
		139	mov ebx, eax
		140	mov eax, DWORD PTR [eax+4]
		141	mov edx, DWORD PTR [ebx]
		142	mov DWORD PTR [eax], edx
		143	mov edx, DWORD PTR [ebx]
		144	mov DWORD PTR [ebx], 0
		145	mov DWORD PTR [edx+4], eax
		146	mov eax, DWORD PTR [ebx+12]
		147	mov DWORD PTR [ebx+4], 0
		148	test eax, eax
		149	jne .L38
		150	jmp .L34
		151	.L35:
		152	mov DWORD PTR [ebx+8], 1
		153	mov edx, esi
		154	mov ecx, ebp
		155	call @buddy_system_free@8
		156	mov eax, DWORD PTR [ebx+12]
		157	mov DWORD PTR [ebx+8], 0
		158	test eax, eax
		159	je .L34
		160	.L38:
		161	lea ecx, [eax-1]
		162	mov edx, DWORD PTR [esp]
		163	mov eax, 20
		164	sal eax, cl
		165	lea edi, [ebx+eax]
		166	mov eax, ebp
		167	mov DWORD PTR [ebx+12], ecx
		168	mov esi, edi
		169	mov DWORD PTR [edi+12], ecx
		170	mov ecx, 255
		171	call _buddy_find_block
		172	cmp edi, eax
		173	jne .L35
		174	mov esi, ebx
		175	mov ebx, edi
		176	jmp .L35
		177	.L34:
		178	mov DWORD PTR [ebx+8], 1
		179	mov eax, ebx
		180	add esp, 4
		181	pop ebx
		182	pop esi
		183	pop edi
		184	pop ebp
		185	ret
		186
		187	_zone_release:
		188	push edi
		189	push esi
		190	push ebx
		191	mov esi, DWORD PTR [esp+16]
		192	mov eax, DWORD PTR [esp+20]
		193	mov edi, DWORD PTR [esp+24]
		194	mov edx, DWORD PTR [esi+4]
		195	add edi, eax
		196	cmp edi, edx
		197	jb .L48
		198	mov ebx, edx
		199	add ebx, DWORD PTR [esi+8]
		200	cmp eax, ebx
		201	ja .L48
		202	cmp eax, edx
		203	mov ecx, eax
		204	jae .L44
		205	mov ecx, edx
		206	.L44:
		207	cmp edi, ebx
		208	jbe .L45
		209	mov edi, ebx
		210	.L45:
		211	cmp ecx, edi
		212	jae .L48
		213	mov ebx, ecx
		214	.L47:
		215	mov edx, DWORD PTR [esi+12]
		216	mov eax, ecx
		217	add ebx, 1
		218	sub eax, DWORD PTR [esi+4]
		219	lea eax, [eax+eax*4]
		220	mov DWORD PTR [edx+8+eax*4], 0
		221	sub ecx, DWORD PTR [esi+4]
		222	lea edx, [ecx+ecx*4]
		223	mov ecx, esi
		224	sal edx, 2
		225	add edx, DWORD PTR [esi+12]
		226	call @buddy_system_free@8
		227	cmp edi, ebx
		228	mov ecx, ebx
		229	ja .L47
		230	.L48:
		231	pop ebx
		232	pop esi
		233	pop edi
		234	ret
		235
		236	_zone_reserve:
		237	push edi
		238	push esi
		239	push ebx
		240	mov esi, DWORD PTR [esp+16]
		241	mov eax, DWORD PTR [esp+20]
		242	mov ebx, DWORD PTR [esp+24]
		243	mov edx, DWORD PTR [esi+4]
		244	add ebx, eax
		245	cmp ebx, edx
		246	jb .L61
		247	mov ecx, edx
		248	add ecx, DWORD PTR [esi+8]
		249	cmp eax, ecx
		250	ja .L61
		251	cmp eax, edx
		252	jae .L54
		253	mov eax, edx
		254	.L54:
		255	cmp ebx, ecx
		256	mov edi, ebx
		257	jbe .L55
		258	mov edi, ecx
		259	.L55:
		260	cmp eax, edi
		261	jae .L61
		262	mov ebx, eax
		263	jmp .L57
		264	.L58:
		265	add ebx, 1
		266	cmp edi, ebx
		267	mov eax, ebx
		268	jbe .L61
		269	.L62:
		270	mov edx, DWORD PTR [esi+4]
		271	.L57:
		272	sub eax, edx
		273	lea eax, [eax+eax*4]
		274	lea edx, [0+eax*4]
		275	add edx, DWORD PTR [esi+12]
		276	mov ecx, DWORD PTR [edx+8]
		277	test ecx, ecx
		278	jne .L58
		279	add ebx, 1
		280	mov ecx, esi
		281	call @buddy_system_alloc_block@8
		282	mov eax, ebx
		283	sub DWORD PTR [esi+16], 1
		284	cmp edi, ebx
		285	ja .L62
		286	.L61:
		287	pop ebx
		288	pop esi
		289	pop edi
		290	ret
		291
		292	@buddy_system_alloc@8:
		293	sub esp, 12
		294	mov DWORD PTR [esp], ebx
		295	lea eax, [ecx+28+edx*8]
		296	mov ebx, edx
		297	mov DWORD PTR [esp+4], esi
		298	mov esi, ecx
		299	mov DWORD PTR [esp+8], edi
		300	cmp DWORD PTR [ecx+32+edx*8], eax
		301	je .L64
		302	mov ecx, DWORD PTR [ecx+32+edx*8]
		303	mov eax, DWORD PTR [ecx+4]
		304	mov edx, DWORD PTR [ecx]
		305	mov DWORD PTR [ecx+8], 1
		306	mov DWORD PTR [eax], edx
		307	mov edx, DWORD PTR [ecx]
		308	mov DWORD PTR [ecx], 0
		309	mov DWORD PTR [edx+4], eax
		310	mov DWORD PTR [ecx+4], 0
		311	.L66:
		312	mov ebx, DWORD PTR [esp]
		313	mov eax, ecx
		314	mov esi, DWORD PTR [esp+4]
		315	mov edi, DWORD PTR [esp+8]
		316	add esp, 12
		317	ret
		318	.L64:
		319	movzx eax, BYTE PTR [ecx+24]
		320	cmp eax, edx
		321	jne .L71
		322	.L67:
		323	xor ecx, ecx
		324	jmp .L66
		325	.L71:
		326	lea edx, [edx+1]
		327	call @buddy_system_alloc@8
		328	test eax, eax
		329	mov edi, eax
		330	je .L67
		331	mov ecx, DWORD PTR [eax+12]
		332	mov edx, 20
		333	mov DWORD PTR [eax+12], ebx
		334	mov DWORD PTR [eax+8], 1
		335	sub ecx, 1
		336	sal edx, cl
		337	mov ecx, esi
		338	add edx, eax
		339	mov DWORD PTR [edx+12], ebx
		340	call @buddy_system_free@8
		341	mov ecx, edi
		342	jmp .L66
		343
		344	_zone_frame_alloc:
		345	sub esp, 8
		346	mov ecx, eax
		347	mov DWORD PTR [esp], ebx
		348	mov ebx, eax
		349	mov DWORD PTR [esp+4], esi
		350	mov esi, edx
		351	call @buddy_system_alloc@8
		352	mov ecx, esi
		353	mov edx, 1
		354	sal edx, cl
		355	mov esi, DWORD PTR [esp+4]
		356	sub DWORD PTR [ebx+16], edx
		357	sub eax, DWORD PTR [ebx+12]
		358	add DWORD PTR [ebx+20], edx
		359	mov ebx, DWORD PTR [esp]
		360	add esp, 8
		361	sar eax, 2
		362	imul eax, eax, -858993459
		363	ret
		364
		365	_frame_set_parent:
		366	mov eax, DWORD PTR [esp+4]
		367	sub eax, DWORD PTR [_z_core+4]
		368	mov ecx, DWORD PTR [esp+8]
		369	mov edx, DWORD PTR [_z_core+12]
		370	lea eax, [eax+eax*4]
		371	mov DWORD PTR [edx+16+eax*4], ecx
		372	ret
		373
		374	@zone_free@8:
		375	sub esp, 8
		376	lea edx, [edx+edx*4]
		377	mov DWORD PTR [esp], ebx
		378	sal edx, 2
		379	mov ebx, ecx
		380	mov DWORD PTR [esp+4], esi
		381	add edx, DWORD PTR [ecx+12]
		382	mov eax, DWORD PTR [edx+8]
		383	mov esi, DWORD PTR [edx+12]
		384	sub eax, 1
		385	test eax, eax
		386	mov DWORD PTR [edx+8], eax
		387	jne .L79
		388	call @buddy_system_free@8
		389	mov eax, 1
		390	mov ecx, esi
		391	sal eax, cl
		392	add DWORD PTR [ebx+16], eax
		393	sub DWORD PTR [ebx+20], eax
		394	.L79:
		395	mov ebx, DWORD PTR [esp]
		396	mov esi, DWORD PTR [esp+4]
		397	add esp, 8
		398	ret
		399
		400
		401	@zone_alloc@8:
		402	sub esp, 8
		403	mov DWORD PTR [esp], ebx
		404	mov ebx, ecx
		405	mov DWORD PTR [esp+4], esi
		406
		407	pushf
		408	pop esi
		409	cli
		410
		411	@@:
		412	pause
		413	mov eax, [_z_core]
		414	test eax, eax
		415	jnz @b
		416	inc eax
		417	xchg [_z_core], eax
		418	test eax, eax
		419	jnz @b
		420
		421	mov eax, ecx
		422	call _zone_frame_alloc
		423	mov edx, DWORD PTR [ebx+4]
		424	mov DWORD PTR [ebx], 0
		425
		426	push esi
		427	popf
		428
		429	mov ebx, DWORD PTR [esp]
		430	add eax, edx
		431	mov esi, DWORD PTR [esp+4]
		432	sal eax, 12
		433	add esp, 8
		434	ret
		435
		436	alloc_page:
		437	_alloc_page:
		438	push ebx
		439
		440	pushf
		441	pop ebx
		442	cli
		443	@@:
		444	pause
		445	mov eax, [_z_core]
		446	test eax, eax
		447	jnz @b
		448	inc eax
		449	xchg [_z_core], eax
		450	test eax, eax
		451	jnz @b
		452
		453	push edx
		454	xor edx, edx
		455	mov eax, _z_core
		456	call _zone_frame_alloc
		457	pop edx
		458	mov [_z_core], 0
		459
		460	push ebx
		461	popf
		462
		463	pop ebx
		464	sal eax, 12
		465	ret
		466
		467	alloc_pages:
		468	_alloc_pages@4:
		469	push ebx
		470
		471	pushf
		472	pop ebx
		473	cli
		474	@@:
		475	pause
		476	mov eax, [_z_core]
		477	test eax, eax
		478	jnz @b
		479	inc eax
		480	xchg [_z_core], eax
		481	test eax, eax
		482	jnz @b
		483
		484	mov eax, DWORD PTR [esp+8]
		485	add eax, 7
		486	and eax, -8
		487
		488	xor ecx, ecx
		489	bsr ecx, eax
		490	inc ecx
		491
		492	push edx
		493
		494	mov edx, ecx
		495	mov eax, _z_core
		496	call _zone_frame_alloc
		497	pop edx
		498
		499	mov [_z_core], 0
		500	push ebx
		501	popf
		502
		503	pop ebx
		504	sal eax, 12
		505	ret 4
		506
		507	_zone_create:
		508	push esi
		509	push ebx
		510	sub esp, 4
		511	mov ebx, DWORD PTR [esp+16]
		512	mov esi, DWORD PTR [esp+24]
		513	mov DWORD PTR [esp], ebx
		514	call _spinlock_initialize
		515	mov eax, DWORD PTR [esp+20]
		516	mov DWORD PTR [ebx+8], esi
		517	mov DWORD PTR [ebx+16], esi
		518	mov DWORD PTR [ebx+20], 0
		519	mov DWORD PTR [ebx+4], eax
		520
		521	xor eax, eax
		522	bsr eax, esi
		523
		524	xor edx, edx
		525	mov BYTE PTR [ebx+24], al
		526	.L81:
		527	lea eax, [ebx+28+edx*8]
		528	mov DWORD PTR [ebx+28+edx*8], eax
		529	mov DWORD PTR [ebx+32+edx*8], eax
		530	movzx eax, BYTE PTR [ebx+24]
		531	add edx, 1
		532	cmp eax, edx
		533	jae .L81
		534	lea ecx, [esi+esi*4]
		535	sal ecx, 2
		536	call @balloc@4
		537	test esi, esi
		538	mov DWORD PTR [ebx+12], eax
		539	je .L83
		540	xor ecx, ecx
		541	xor edx, edx
		542	.L85:
		543	mov eax, edx
		544	add ecx, 1
		545	add eax, DWORD PTR [ebx+12]
		546	add edx, 20
		547	cmp ecx, esi
		548	mov DWORD PTR [eax+8], 1
		549	mov DWORD PTR [eax+12], 0
		550	jne .L85
		551	.L83:
		552	add esp, 4
		553	mov eax, 1
		554	pop ebx
		555	pop esi
		556	ret
		557
		558	_init_mm:
		559	push esi
		560	xor eax, eax
		561	push ebx
		562	xor esi, esi
		563	sub esp, 20
		564	mov ebx, DWORD PTR [_mem_counter]
		565	test ebx, ebx
		566	jle .L93
		567	xor ecx, ecx
		568	xor edx, edx
		569	jmp .L94
		570	.L95:
		571	add ecx, 1
		572	add edx, 20
		573	cmp ecx, ebx
		574	je .L103
		575	.L94:
		576	cmp DWORD PTR [_mem_table+edx+16], 1
		577	jne .L95
		578	mov eax, DWORD PTR [_mem_table+edx]
		579	add eax, DWORD PTR [_mem_table+edx+8]
		580	and eax, -4096
		581	cmp esi, eax
		582	jae .L95
		583	add ecx, 1
		584	add edx, 20
		585	cmp ecx, ebx
		586	mov esi, eax
		587	jne .L94
		588	.L103:
		589	cmp esi, 268435456
		590	mov eax, esi
		591	ja .L104
		592	mov esi, eax
		593	shr esi, 12
		594	.L93:
		595	mov DWORD PTR [_mem_amount], eax
		596	mov [pg_data.mem_amount], eax
		597	mov [pg_data.pages_count], esi
		598
		599	mov DWORD PTR [esp+8], esi
		600	mov DWORD PTR [esp+4], eax
		601	mov DWORD PTR [esp], .LC1
		602	call _printf
		603
		604	mov DWORD PTR [esp+8], esi
		605	mov DWORD PTR [esp+4], 0
		606	mov DWORD PTR [esp], _z_core
		607
		608	call _zone_create
		609	mov DWORD PTR [esp+8], esi
		610	mov DWORD PTR [esp+4], 0
		611	mov DWORD PTR [esp], _z_core
		612	call _zone_release
		613	mov eax, DWORD PTR [_pg_balloc]
		614	mov DWORD PTR [esp+4], 0
		615	mov DWORD PTR [esp], _z_core
		616	shr eax, 12
		617	mov DWORD PTR [esp+8], eax
		618	call _zone_reserve
		619	add esp, 20
		620	pop ebx
		621	pop esi
		622	ret
		623	.L104:
		624	mov eax, 268435456
		625	mov esi, eax
		626	shr esi, 12
		627	jmp .L93
		628	.LC1:
		629	db 'memory size = %x total pages = %x',10,0
		630
		631	_frame_free:
		632	push ebx
		633	mov edx, DWORD PTR [esp+8]
		634
		635	pushf
		636	pop ebx
		637	cli
		638	@@:
		639	pause
		640	mov eax, [_z_core]
		641	test eax, eax
		642	jnz @b
		643	inc eax
		644	xchg [_z_core], eax
		645	test eax, eax
		646	jnz @b
		647
		648	mov ecx, _z_core
		649	shr edx, 12
		650	call @zone_free@8
		651	mov [_z_core], 0
		652
		653	push ebx
		654	popf
		655
		656	pop ebx
		657	ret
		658
		659	_core_free:
		660	push ebx
		661	mov edx, DWORD PTR [esp+8]
		662
		663	pushf
		664	pop ebx
		665	cli
		666	@@:
		667	pause
		668	mov eax, [_z_core]
		669	test eax, eax
		670	jnz @b
		671	inc eax
		672	xchg [_z_core], eax
		673	test eax, eax
		674	jnz @b
		675
		676	mov ecx, _z_core
		677	shr edx, 12
		678	call @zone_free@8
		679	mov [_z_core], 0
		680
		681	push ebx
		682	popf
		683
		684	pop ebx
		685	ret
		686
		687	_core_alloc:
		688	push ebx
		689	pushf
		690	pop ebx
		691	cli
		692	@@:
		693	pause
		694	mov eax, [_z_core]
		695	test eax, eax
		696	jnz @b
		697	inc eax
		698	xchg [_z_core], eax
		699	test eax, eax
		700	jnz @b
		701
		702	mov edx, DWORD PTR [esp+8]
		703	mov eax, _z_core
		704	call _zone_frame_alloc
		705	mov [_z_core], 0
		706
		707	push ebx
		708	popf
		709
		710	pop ebx
		711	sal eax, 12
		712	ret
		713
		714
		715	restore DWORD
		716	restore WORD
		717	restore BYTE
		718
		719	restore PTR
		720

Subversion Repositories Kolibri OS

(root)/kernel/branches/kolibri_pe/core/mm.asm – Rev 846