

HD  boot ˡ
=====================

							version 1.0
							1997/11/18
							ƣ δ




0. B-Free OS 򥤥󥹥ȡ뤹ѡƥݤޤ
   fdisk ޥɤȤäơB-Free OS 򥤥󥹥ȡ뤹ѡƥ
   ݤޤݤѡƥϡ1MB ٤ξʥѡƥ
   (boot ץबޤ) 20MB Υѡƥ(B-Free Υե
   륷ƥȤʤޤ)ǤB-Free Υե륷ƥϡ
   ȾƤפǤʤȤ 1MB ʾϳݤ褦ˤƤ
   


1. B-Free OS ΥȤޤ
   URL: ftp://www.sccs.chukyo-u.ac.jp/pub4/B-Free/pub/IBM-PC/
   βˡb-free-pc.xx.yy.zz.tar.gz Ȥ̾äƤޤ
   (xx.yy.zz ϥСǤͤ礭ΤСǤ)


2. Ȥե (tar + gzip ե) Ŭʥǥ쥯ȥŸ
   ޤ

	tar xvzf <ȤƤե>


3. ֡ȥץѹޤ

3.1 1st boot Υե 1stboot_hd.s ˵ҤƤѡƥγ
    ѹޤ

	! HD ξ (ѡƥ 0)
	s_cylinder:	.byte 0
	s_head:		.byte 1
	s_sector:	.byte 1

    ǤϡѡƥȤ 0 (ǽΥѡƥ)ꤷ
    ޤ

    * ѡƥˤĤƤϡBIOS Υѥ᡼򻲹ͤˤƤ

3.2 1st boot Υե 1stboot_hd.s ˵ҤƤ HD Υȥ
    ѹޤ

	! HD  GEOMETORY 
	! 㡧Cylinder 255, Head 10, Sector 55
	n_cylinder:	.byte 255
	n_head:		.byte 16
	n_sector:	.byte 64	! ϡ + 1 ˤ롣

    BIOS ϥ 1 褦ˤʤäƤΤǡ + 1 
    ꤷƤ

    * HD ΥȥˤĤƤϡBIOS Υѥ᡼򻲹ͤˤƤ


4. Make ޤ
   boot ǥ쥯ȥꡢmake ¹Ԥޤ

	cd boot
	make hd_image

   boot ǥ쥯ȥ bootimage_hd Ȥե뤬Ǥޤ


5. boot ץ  HD ˽񤭹ߤޤ
   4. Ǻ boot ץ򡢤餫ݤƤ boot Ѥ
   ѡƥ˽񤭹ߤޤ

	dd if=bootimage_hd of=/dev/<HD Υѡƥ>


6. kernel  make ޤ
   kernel/BTRON/make ǥ쥯ȥ˰ưmake ޥɤ¹Ԥޤ

	cd kernel/BTRON/make
	make

   kernel/BTRON/make ǥ쥯ȥβ btron Ȥե뤬Ǥޤ


7. ե륷ƥѤΥġ make
   kernel/POSIX/mkfs ˤե륷ƥѤΥġ make 
   

	cd kernel/POSIX/mkfs
	make

   kernel/POSIX/mkfs ǥ쥯ȥ mkfs  statfs Ȥե뤬
   ޤ

8. ե륷ƥκ
   餫Ƥ B-Free OS Υե륷ƥѤΥѡƥ
    B-Free OS Υե륷ƥۤޤ

8.1 mkfs ¹Ԥޤ
    kernel/POSIX/mkfs ¹ԤơѡƥեޥåȤޤ

	mkfs /dev/<HD Υѡƥ> <֥å> <֥å> <I-node >

	<֥å>		ѡƥΥ֥åǤ
				1 ֥å 512 ХȤȤƷ׻Ƥ
	<֥å>	HD 򥢥ñ̤Хȿˤƻꤷޤ
				512 ꤷƤ
	<I-node >		եδ I-node οꤷޤ
				ŬʿꤷƤ

    mkfs ¹Ԥȡ/lost+found Ȥǥ쥯ȥե
    륷ƥबǤޤ

8.2 mkfs ǧޤ
    statfs ¹Ԥƥե륷ƥƤߤޤ

	statfs /dev/<HD Υѡƥ> dir /

    ե륷ƥΥȥåץǥ쥯ȥȤɽޤ

8.3 B-Free OS ե륷ƥޤ
    6. Ǻ B-Free OS 򿷤äե륷ƥ˥ԡ
    ޤ/system/btron386 Ȥ̾ǥԡɬפޤ

	cd kernel/BTRON/make
	statfs /dev/<HD Υѡƥ> mkdir /system
	statfs /dev/<HD Υѡƥ> write /system/btron386 btron

   ǡ/system ǥ쥯ȥβ btron386 Ȥե뤬
   ޤ

   statfs ޥ

	statfs /dev/<HD Υѡƥ> dir /system 

    ¹Ԥơbtron386 Ȥե뤬Ǥ


9. boot ѡƥ󤫤鵯ư뤿νԤޤ
   lilo ץʤɤȤäơBTRON  boot ѡƥ󤫤 boot 
   褦ѹޤ


10. boot ޤ

   ޥƵưޤ

   BTRON Υ֡ȥѡƥꤷơBTRON Υ֡ȥץ
   ¹Ԥޤ

   ֡ȥץबưȡboot> ȤץץȤɽޤ
   ǡB-Free OS äƤѡƥꤷ OS Ω
   ޤ

	boot hd 0 <ѡƥֹ>

   ѡƥֹˤϡB-Free OS äƤѡƥֹ
   ꤷޤ(ѡƥֹ 1 Ϥޤ뤳ȤդƤ
   )


11. BTRON OS ưǤ

