head 1.2; access; symbols perseant-exfatfs-base-20250801:1.2 perseant-exfatfs-base-20240630:1.2 perseant-exfatfs:1.2.0.48 perseant-exfatfs-base:1.2 cjep_sun2x:1.2.0.46 cjep_sun2x-base:1.2 cjep_staticlib_x-base1:1.2 cjep_staticlib_x:1.2.0.44 cjep_staticlib_x-base:1.2 phil-wifi-20200421:1.2 phil-wifi-20200411:1.2 phil-wifi-20200406:1.2 pgoyette-compat-merge-20190127:1.2 pgoyette-compat-20190127:1.2 pgoyette-compat-20190118:1.2 pgoyette-compat-1226:1.2 pgoyette-compat-1126:1.2 pgoyette-compat-1020:1.2 pgoyette-compat-0930:1.2 pgoyette-compat-0906:1.2 pgoyette-compat-0728:1.2 pgoyette-compat-0625:1.2 pgoyette-compat-0521:1.2 pgoyette-compat-0502:1.2 pgoyette-compat-0422:1.2 pgoyette-compat-0415:1.2 pgoyette-compat-0407:1.2 pgoyette-compat-0330:1.2 pgoyette-compat-0322:1.2 pgoyette-compat-0315:1.2 pgoyette-compat:1.2.0.42 pgoyette-compat-base:1.2 perseant-stdc-iso10646:1.2.0.40 perseant-stdc-iso10646-base:1.2 prg-localcount2-base3:1.2 prg-localcount2-base2:1.2 prg-localcount2-base1:1.2 prg-localcount2:1.2.0.38 prg-localcount2-base:1.2 pgoyette-localcount-20170426:1.2 bouyer-socketcan-base1:1.2 pgoyette-localcount-20170320:1.2 bouyer-socketcan:1.2.0.36 bouyer-socketcan-base:1.2 pgoyette-localcount-20170107:1.2 pgoyette-localcount-20161104:1.2 localcount-20160914:1.2 pgoyette-localcount-20160806:1.2 pgoyette-localcount-20160726:1.2 pgoyette-localcount:1.2.0.34 pgoyette-localcount-base:1.2 netbsd-5-2-3-RELEASE:1.2 netbsd-5-1-5-RELEASE:1.2 yamt-pagecache-base9:1.2 yamt-pagecache-tag8:1.2 tls-earlyentropy:1.2.0.30 tls-earlyentropy-base:1.2 riastradh-xf86-video-intel-2-7-1-pre-2-21-15:1.2 riastradh-drm2-base3:1.2 netbsd-5-2-2-RELEASE:1.2 netbsd-5-1-4-RELEASE:1.2 netbsd-5-2-1-RELEASE:1.2 netbsd-5-1-3-RELEASE:1.2 agc-symver:1.2.0.32 agc-symver-base:1.2 tls-maxphys-base:1.2 yamt-pagecache-base8:1.2 netbsd-5-2:1.2.0.28 yamt-pagecache-base7:1.2 netbsd-5-2-RELEASE:1.2 netbsd-5-2-RC1:1.2 yamt-pagecache-base6:1.2 yamt-pagecache-base5:1.2 yamt-pagecache-base4:1.2 netbsd-5-1-2-RELEASE:1.2 netbsd-5-1-1-RELEASE:1.2 yamt-pagecache-base3:1.2 yamt-pagecache-base2:1.2 yamt-pagecache:1.2.0.26 yamt-pagecache-base:1.2 bouyer-quota2-nbase:1.2 bouyer-quota2:1.2.0.24 bouyer-quota2-base:1.2 matt-nb5-pq3:1.2.0.22 matt-nb5-pq3-base:1.2 netbsd-5-1:1.2.0.20 netbsd-5-1-RELEASE:1.2 netbsd-5-1-RC4:1.2 netbsd-5-1-RC3:1.2 netbsd-5-1-RC2:1.2 netbsd-5-1-RC1:1.2 netbsd-5-0-2-RELEASE:1.2 netbsd-5-0-1-RELEASE:1.2 jym-xensuspend-nbase:1.2 netbsd-5-0:1.2.0.18 netbsd-5-0-RELEASE:1.2 netbsd-5-0-RC4:1.2 netbsd-5-0-RC3:1.2 netbsd-5-0-RC2:1.2 jym-xensuspend:1.2.0.16 jym-xensuspend-base:1.2 netbsd-5-0-RC1:1.2 netbsd-5:1.2.0.14 netbsd-5-base:1.2 yamt-pf42-base4:1.2 yamt-pf42-base3:1.2 hpcarm-cleanup-nbase:1.2 yamt-pf42-base2:1.2 yamt-pf42:1.2.0.12 yamt-pf42-base:1.2 mjf-devfs2:1.2.0.10 mjf-devfs2-base:1.2 keiichi-mipv6:1.2.0.8 keiichi-mipv6-base:1.2 cube-autoconf:1.2.0.6 cube-autoconf-base:1.2 mjf-devfs:1.2.0.4 mjf-devfs-base:1.2 hpcarm-cleanup:1.2.0.2 hpcarm-cleanup-base:1.2 netbsd-1-5-PATCH003:1.1 netbsd-1-5-PATCH002:1.1 netbsd-1-5-PATCH001:1.1 netbsd-1-5-RELEASE:1.1 netbsd-1-5-BETA2:1.1 netbsd-1-5-BETA:1.1 netbsd-1-4-PATCH003:1.1 netbsd-1-5-ALPHA2:1.1 netbsd-1-5:1.1.0.12 netbsd-1-5-base:1.1 minoura-xpg4dl:1.1.0.10 minoura-xpg4dl-base:1.1 netbsd-1-4-PATCH002:1.1 wrstuden-devbsize-19991221:1.1 wrstuden-devbsize:1.1.0.8 wrstuden-devbsize-base:1.1 comdex-fall-1999:1.1.0.6 comdex-fall-1999-base:1.1 netbsd-1-4-PATCH001:1.1 netbsd-1-4-RELEASE:1.1 netbsd-1-4:1.1.0.4 netbsd-1-4-base:1.1 netbsd-1-3-PATCH003:1.1 netbsd-1-3-PATCH003-CANDIDATE2:1.1 netbsd-1-3-PATCH003-CANDIDATE1:1.1 netbsd-1-3-PATCH003-CANDIDATE0:1.1 netbsd-1-3-PATCH002:1.1 netbsd-1-3-PATCH001:1.1 netbsd-1-3-RELEASE:1.1 netbsd-1-3-BETA:1.1 netbsd-1-3:1.1.0.2 netbsd-1-3-base:1.1; locks; strict; comment @;; @; 1.2 date 2001.09.10.18.27.42; author christos; state dead; branches; next 1.1; 1.1 date 97.03.01.19.42.56; author christos; state Exp; branches; next ; desc @@ 1.2 log @- Remove old files. - Port to NetBSD XXX: *untested* @ text @;;; $NetBSD: bootcode.asm,v 1.1 1997/03/01 19:42:56 christos Exp $ ;;; Hello emacs, this looks like -*- asm -*- code, doesn't it? ;;; ;;; This forms a simple dummy boot program for use with a tool to ;;; format DOS floppies. All it does is displaying a message, and ;;; recover gracefully by re-initializing the CPU. ;;; ;;; Written by Joerg Wunsch, Dresden. Placed in the public domain. ;;; This software is provided as is, neither kind of warranty applies. ;;; Use at your own risk. ;;; ;;; (This is written in as86 syntax. as86 is part of Bruce Evans' ;;; bcc package.) ;;; ;;; Id: bootcode.asm,v 1.3 1997/02/22 16:06:36 peter Exp ;;; ;;; This code must be linked to address 0x7c00 in order to function ;;; correctly (the BIOS boot address). ;;; ;;; It's 16-bit code, and we don't care for a data segment. use16 .text entry _begin _begin: jmp init ; jump to boot prog nop ; historical baggage ;-) ;;; ;;; Reserve space for the "BIOS parameter block". ;;; This will be overwritten by the actual formatting routine. ;;; bpb: .ascii "BSD 4.4" ; "OEM" name .word 512 ; sector size .byte 2 ; cluster size .word 1 ; reserved sectors (just the boot sector) .byte 2 ; FAT count .word 112 ; # of entries in root dir .word 1440 ; total number of sectors, MSDOS 3.3 or below .byte 0xf9 ; "media descriptor" .word 3 ; FAT size (sectors) .word 9 ; sectors per track .word 2 ; heads per cylinder .word 0 ; hidden sectors ;; MSDOS 4.0++ -- only valid iff total number of sectors == 0 .word 0 ; unused .long 0 ; total number of sectors .short 0 ; physical drive (0, 1, ..., 0x80) %-) .byte 0 ; "extented boot signature" .long 0 ; volume serial number (i.e., garbage :) .ascii " " ; label -- same as vol label in root dir .ascii "FAT12 " ; file system ID ;;; ;;; Executable code starts here. ;;; init: ;; First, display our message. mov si, *message lp1: seg cs movb al, [si] inc si testb al, al jz lp2 ; null-terminated string movb bl, *7 ; display with regular attribute movb ah, *0x0e ; int 0x10, fnc 0x0e -- emulate tty int 0x10 jmp lp1 lp2: xorb ah, ah ; int 0x16, fnc 0x00 -- wait for keystroke int 0x16 mov ax, *0x40 ; write 0x1234 to address 0x472 -- push ax ; tell the BIOS that this is a warm boot pop dx mov 0x72, *0x1234 jmpf 0xfff0,0xf000 ; jump to CPU initialization code message: .byte 7 .byte 0xc9 .byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd .byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd .byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd .byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd .byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd .byte 0xbb, 13, 10, 0xba .ascii " Sorry, this disc does actually not contain " .byte 0xba, 13, 10, 0xba .ascii " a bootable system. " .byte 0xba, 13, 10, 0xba .ascii " Press any key to reboot. " .byte 0xba, 13, 10, 0xc8 .byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd .byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd .byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd .byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd .byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd .byte 0xbc, 13,10 .byte 0 ;; Adjust the value below after changing the length of ;; the code above! .space 0x1fe-0x161 ; pad to 512 bytes .byte 0x55, 0xaa ; yes, we are bootable (cheating :) end @ 1.1 log @From FreeBSD's mkdosfs: - KNF - cleaned up a few typos. - use the msdosfs header files. - separated Makefile and Makefile.boot, since we cannot build bootcode.h (yet) ToDo: - Make it work on hard disks; only works on floppies - Make it accept an msdos.sys io.sys and a command.com, to make a real dos bootable disk. @ text @d1 1 a1 1 ;;; $NetBSD$ @