WebSVN – Kolibri OS – Blame – /kernel/branches/kolibri_pe/boot/start.asm

Rev	Author	Line No.	Line
854	serge	1
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928	serge	12	extrn __os_stack
854	serge	13	extrn _boot_mbi
		14	extrn _sys_pdbr
		15
		16
		17	extrn __edata
		18
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		25
		26	dd 0x1BADB002
		27	dd 0x00010003
		28	dd -(0x1BADB002 + 0x00010003)
		29	dd mboot
		30	dd 0x100000
		31	dd __edata; - OS_BASE
		32	dd LAST_PAGE
		33	dd __start
		34
		35
		36	__start:
		37	cld
		38
		39
		40	push 0
		41	popf
		42
		43
		44	mov ecx, sz_invboot
		45	jne .fault
		46
		47
		48	mov ecx, sz_nomods
		49	jnc .fault
		50
		51
		52	mov ecx, sz_nommap
		53	jnc .fault
		54
		55
		56
		57
		58	cpuid
		59	cmp eax, 0
		60	mov ecx, sz_nopse
		61	jbe .fault
		62
		63
		64	cpuid
		65	bt edx, 3
		66	mov ecx, sz_nopse
		67	jnc .fault
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859	serge	72	mov eax, PG_LARGE+PG_SW
928	serge	73	mov edi, _sys_pdbr+(OS_BASE shr 20)+(0x100000000-OS_BASE)
854	serge	74	mov [edi-4], dword (PG_LARGE+PG_USER)
928	serge	75	@@:
854	serge	76	stosd
		77	add eax, 410241024
		78	loop @B
		79
		80
		81	mov dword [_sys_pdbr+(0x100000000-OS_BASE)+4], PG_LARGE+PG_SW+410241024
		82	mov dword [_sys_pdbr+(0x100000000-OS_BASE)+(page_tabs shr 20)], _sys_pdbr+PG_SW+(0x100000000-OS_BASE)
		83
		84
		85	or ebx, CR4_PSE
		86	and ebx, not CR4_PAE
		87	mov cr4, ebx
		88
		89
		90	mov ebx, cr0
		91	or ebx,CR0_PG+CR0_WP
		92
		93
		94	mov cr0, ebx
		95
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		98
		99	mov esi, [ebx+24]
		100	mov ecx, LAST_PAGE
		101	test edx, edx
		102	jz .no_mods
		103	.scan_mod:
		104	mov ecx, [esi+4]
		105	add esi, 16
		106	dec edx
		107	jnz .scan_mod
		108
		109
		110	add ecx, 4095
		111	and ecx, not 4095
		112
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928	serge	114	jmp pword 0x10:high_code
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854	serge	116
		117
		118	; push ecx
		119	; call _lcls
		120	; call __bprintf
		121	_hlt:
		122	hlt
		123	jmp _hlt
		124
		125
		126	db 'Halted',0
		127
		128
		129	db 'Halted',0
		130
		131
		132	db 'Halted',0
		133
		134
		135	db 'Halted',0
		136

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