- Remove old files.
- Port to NetBSD XXX: *untested*
This commit is contained in:
christos
parent
574892a487
commit
de3ce7e7b1
@ -1,9 +1,13 @@
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# $NetBSD: Makefile,v 1.2 1997/10/10 19:51:57 christos Exp $
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# Id: Makefile,v 1.3 1997/02/22 16:06:35 peter Exp
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#
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PROG=newfs_msdos
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MAN=newfs_msdos.8
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# $NetBSD: Makefile,v 1.3 2001/09/10 18:27:41 christos Exp $
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# From: $FreeBSD: src/sbin/newfs_msdos/Makefile,v 1.5 2001/03/26 14:33:18 ru Exp $
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CPPFLAGS+= -I${.CURDIR}/../../sys/msdosfs
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PROG= newfs_msdos
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MAN= newfs_msdos.8
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LDADD+= -lutil
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DPADD+= ${LIBUTIL}
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.if ${MACHINE} == "pc98"
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CFLAGS+= -DPC98
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.endif
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.include <bsd.prog.mk>
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@ -1,55 +0,0 @@
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# $NetBSD: Makefile.boot,v 1.2 1998/01/09 08:04:02 perry Exp $
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#
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###################################################################
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#
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# Everything below is solely intented for maintenance.
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# As you can see, it requires as86/ld86 from the ``bcc'' package.
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#
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# For this reason, the bootcode.h target puts the result into
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# ${.CURDIR}
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AS86= as86
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LD86= ld86
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AS86FLAGS= -0
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LD86FLAGS= -0 -s
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CLEANFILES+= *.obj *.bin *.com
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.SUFFIXES: .asm .obj .bin .com
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.asm.obj:
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${AS86} ${AS86FLAGS} -o ${.TARGET} ${.IMPSRC}
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.obj.bin:
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${LD86} ${LD86FLAGS} -T 0x7c00 -o ${.PREFIX}.tmp ${.IMPSRC}
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dd bs=32 skip=1 of=${.TARGET} if=${.PREFIX}.tmp
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rm -f ${.PREFIX}.tmp
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# .com file is just for testing
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.obj.com:
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${LD86} ${LD86FLAGS} -T 0x100 -o ${.PREFIX}.tmp ${.IMPSRC}
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dd bs=32 skip=1 of=${.TARGET} if=${.PREFIX}.tmp
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rm -f ${.PREFIX}.tmp
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## Do NOT depend this on bootcode.bin unless you've installed the
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## bcc package!
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bootcode.h: ## bootcode.bin
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@echo converting bootcode.bin into bootcode.h...
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@perl -e 'if(read(STDIN,$$buf,512)<512) { \
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die "Read error on .bin file\n"; \
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} \
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@arr = unpack("C*",$$buf); \
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print "#ifndef BOOTCODE_H\n"; \
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print "#define BOOTCODE_H 1\n\n"; \
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print "/*\n * This file has been generated\n"; \
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print " * automatically. Do not edit.\n */\n\n"; \
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print "static unsigned char bootcode[512] = {\n"; \
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for($$i=0; $$i<512; $$i++) { \
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printf "0x%02x, ",$$arr[$$i]; \
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if($$i % 12 == 11) {print "\n";} \
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} \
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print "};\n\n"; \
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print "#endif /* BOOTCODE_H */\n";' \
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< bootcode.bin > ${.CURDIR}/bootcode.h
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.include <bsd.prog.mk>
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@ -1,103 +0,0 @@
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;;; $NetBSD: bootcode.asm,v 1.1 1997/03/01 19:42:56 christos Exp $
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;;; Hello emacs, this looks like -*- asm -*- code, doesn't it?
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;;;
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;;; This forms a simple dummy boot program for use with a tool to
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;;; format DOS floppies. All it does is displaying a message, and
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;;; recover gracefully by re-initializing the CPU.
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;;;
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;;; Written by Joerg Wunsch, Dresden. Placed in the public domain.
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;;; This software is provided as is, neither kind of warranty applies.
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;;; Use at your own risk.
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;;;
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;;; (This is written in as86 syntax. as86 is part of Bruce Evans'
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;;; bcc package.)
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;;;
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;;; Id: bootcode.asm,v 1.3 1997/02/22 16:06:36 peter Exp
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;;;
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;;; This code must be linked to address 0x7c00 in order to function
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;;; correctly (the BIOS boot address).
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;;;
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;;; It's 16-bit code, and we don't care for a data segment.
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use16
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.text
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entry _begin
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_begin: jmp init ; jump to boot prog
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nop ; historical baggage ;-)
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;;;
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;;; Reserve space for the "BIOS parameter block".
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;;; This will be overwritten by the actual formatting routine.
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;;;
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bpb: .ascii "BSD 4.4" ; "OEM" name
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.word 512 ; sector size
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.byte 2 ; cluster size
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.word 1 ; reserved sectors (just the boot sector)
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.byte 2 ; FAT count
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.word 112 ; # of entries in root dir
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.word 1440 ; total number of sectors, MSDOS 3.3 or below
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.byte 0xf9 ; "media descriptor"
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.word 3 ; FAT size (sectors)
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.word 9 ; sectors per track
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.word 2 ; heads per cylinder
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.word 0 ; hidden sectors
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;; MSDOS 4.0++ -- only valid iff total number of sectors == 0
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.word 0 ; unused
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.long 0 ; total number of sectors
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.short 0 ; physical drive (0, 1, ..., 0x80) %-)
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.byte 0 ; "extented boot signature"
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.long 0 ; volume serial number (i.e., garbage :)
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.ascii " " ; label -- same as vol label in root dir
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.ascii "FAT12 " ; file system ID
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;;;
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;;; Executable code starts here.
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;;;
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init:
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;; First, display our message.
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mov si, *message
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lp1: seg cs
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movb al, [si]
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inc si
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testb al, al
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jz lp2 ; null-terminated string
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movb bl, *7 ; display with regular attribute
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movb ah, *0x0e ; int 0x10, fnc 0x0e -- emulate tty
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int 0x10
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jmp lp1
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lp2: xorb ah, ah ; int 0x16, fnc 0x00 -- wait for keystroke
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int 0x16
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mov ax, *0x40 ; write 0x1234 to address 0x472 --
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push ax ; tell the BIOS that this is a warm boot
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pop dx
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mov 0x72, *0x1234
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jmpf 0xfff0,0xf000 ; jump to CPU initialization code
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message:
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.byte 7
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.byte 0xc9
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.byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
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.byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
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.byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
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.byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
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.byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
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.byte 0xbb, 13, 10, 0xba
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.ascii " Sorry, this disc does actually not contain "
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.byte 0xba, 13, 10, 0xba
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.ascii " a bootable system. "
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.byte 0xba, 13, 10, 0xba
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.ascii " Press any key to reboot. "
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.byte 0xba, 13, 10, 0xc8
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.byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
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.byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
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.byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
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.byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
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.byte 0xcd,0xcd,0xcd,0xcd,0xcd,0xcd
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.byte 0xbc, 13,10
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.byte 0
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;; Adjust the value below after changing the length of
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;; the code above!
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.space 0x1fe-0x161 ; pad to 512 bytes
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.byte 0x55, 0xaa ; yes, we are bootable (cheating :)
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end
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@ -1,56 +0,0 @@
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/* $NetBSD: bootcode.h,v 1.2 1998/01/09 08:04:03 perry Exp $ */
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#ifndef BOOTCODE_H
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#define BOOTCODE_H 1
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/*
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* This file has been generated
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* automatically. Do not edit.
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*/
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static unsigned char bootcode[512] = {
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0xeb, 0x3c, 0x90, 0x42, 0x53, 0x44, 0x20, 0x20, 0x34, 0x2e, 0x34, 0x00,
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0x02, 0x02, 0x01, 0x00, 0x02, 0x70, 0x00, 0xa0, 0x05, 0xf9, 0x03, 0x00,
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0x09, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x46, 0x41, 0x54, 0x31, 0x32, 0x20,
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0x20, 0x20, 0xbe, 0x65, 0x7c, 0x2e, 0x8a, 0x04, 0x46, 0x84, 0xc0, 0x74,
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0x08, 0xb3, 0x07, 0xb4, 0x0e, 0xcd, 0x10, 0xeb, 0xf0, 0x30, 0xe4, 0xcd,
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0x16, 0xb8, 0x40, 0x00, 0x50, 0x5a, 0xc7, 0x06, 0x72, 0x00, 0x34, 0x12,
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0xea, 0xf0, 0xff, 0x00, 0xf0, 0x07, 0xc9, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
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0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
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0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
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0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
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0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xbb, 0x0d, 0x0a, 0xba, 0x20, 0x20, 0x53,
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0x6f, 0x72, 0x72, 0x79, 0x2c, 0x20, 0x74, 0x68, 0x69, 0x73, 0x20, 0x64,
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0x69, 0x73, 0x63, 0x20, 0x64, 0x6f, 0x65, 0x73, 0x20, 0x61, 0x63, 0x74,
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0x75, 0x61, 0x6c, 0x6c, 0x79, 0x20, 0x6e, 0x6f, 0x74, 0x20, 0x63, 0x6f,
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0x6e, 0x74, 0x61, 0x69, 0x6e, 0x20, 0x20, 0xba, 0x0d, 0x0a, 0xba, 0x20,
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0x20, 0x61, 0x20, 0x62, 0x6f, 0x6f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x20,
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0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x2e, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0xba, 0x0d, 0x0a,
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0xba, 0x20, 0x20, 0x50, 0x72, 0x65, 0x73, 0x73, 0x20, 0x61, 0x6e, 0x79,
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0x20, 0x6b, 0x65, 0x79, 0x20, 0x74, 0x6f, 0x20, 0x72, 0x65, 0x62, 0x6f,
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0x6f, 0x74, 0x2e, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0xba,
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0x0d, 0x0a, 0xc8, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
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0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
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0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
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0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
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0xcd, 0xbc, 0x0d, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0xaa, };
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#endif /* BOOTCODE_H */
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@ -1,137 +1,185 @@
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.\" $NetBSD: newfs_msdos.8,v 1.6 1999/03/10 05:17:27 erh Exp $
|
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.\"
|
||||
.\" Copyright (c) 1997 Christos Zoulas
|
||||
.\" Copyright (c) 1995, 1996 Joerg Wunsch
|
||||
.\"
|
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.\" $NetBSD: newfs_msdos.8,v 1.7 2001/09/10 18:27:42 christos Exp $
|
||||
.\" Copyright (c) 1998 Robert Nordier
|
||||
.\" All rights reserved.
|
||||
.\"
|
||||
.\" This program is free software.
|
||||
.\"
|
||||
.\" Redistribution and use in source and binary forms, with or without
|
||||
.\" modification, are permitted provided that the following conditions
|
||||
.\" are met:
|
||||
.\" 1. Redistributions of source code must retain the above copyright
|
||||
.\" notice, this list of conditions and the following disclaimer.
|
||||
.\" 2. Redistributions in binary form must reproduce the above copyright
|
||||
.\" notice, this list of conditions and the following disclaimer in the
|
||||
.\" documentation and/or other materials provided with the distribution.
|
||||
.\" notice, this list of conditions and the following disclaimer in
|
||||
.\" the documentation and/or other materials provided with the
|
||||
.\" distribution.
|
||||
.\"
|
||||
.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
|
||||
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
|
||||
.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY
|
||||
.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
||||
.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
|
||||
.\" IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
||||
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
||||
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
.\"
|
||||
.\" Id: mkdosfs.1,v 1.5 1997/02/22 16:06:38 peter Exp
|
||||
.\" From: $FreeBSD: src/sbin/newfs_msdos/newfs_msdos.8,v 1.13 2001/08/14 10:01:48 ru Exp $
|
||||
.\"
|
||||
.Dd February 25, 1997
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||||
.Os
|
||||
.Dd July 6, 1998
|
||||
.Dt NEWFS_MSDOS 8
|
||||
.Os
|
||||
.Sh NAME
|
||||
.Nm newfs_msdos
|
||||
.Nd create an MS-DOS (FAT) file system
|
||||
.Nd construct a new MS-DOS (FAT) file system
|
||||
.Sh SYNOPSIS
|
||||
.Nm
|
||||
.Bq Fl f Ar capacity
|
||||
.Bq Fl L Ar vollabel
|
||||
.Ar device
|
||||
.Op Fl N
|
||||
.Op Fl B Ar boot
|
||||
.Op Fl F Ar FAT-type
|
||||
.Op Fl I Ar volid
|
||||
.Op Fl L Ar label
|
||||
.Op Fl O Ar OEM
|
||||
.Op Fl S Ar sector-size
|
||||
.Op Fl a Ar FAT-size
|
||||
.Op Fl b Ar block-size
|
||||
.Op Fl c Ar cluster-size
|
||||
.Op Fl e Ar dirents
|
||||
.Op Fl f Ar format
|
||||
.Op Fl h Ar heads
|
||||
.Op Fl i Ar info
|
||||
.Op Fl k Ar backup
|
||||
.Op Fl m Ar media
|
||||
.Op Fl n Ar FATs
|
||||
.Op Fl o Ar hidden
|
||||
.Op Fl r Ar reserved
|
||||
.Op Fl s Ar total
|
||||
.Op Fl u Ar track-size
|
||||
.Ar special
|
||||
.Op Ar disktype
|
||||
.Sh DESCRIPTION
|
||||
The
|
||||
.Nm
|
||||
establishes a file system structure on
|
||||
.Ar device
|
||||
that is understood by
|
||||
.Xr mount_msdos 8
|
||||
and some ancient program loader.
|
||||
.Ar Device
|
||||
will typically be the character device node for a floppy disk drive,
|
||||
.Pq e.\ g. Pa /dev/rfd0 ,
|
||||
although any existing writable file or device is acceptable.
|
||||
In case of a regular file it is treated as a dumped image of an
|
||||
.Tn MS-DOS
|
||||
file system; only the file system structure will be written to it,
|
||||
and it won't be truncated.
|
||||
utility creates a FAT12, FAT16, or FAT32 file system on device
|
||||
.Ar special ,
|
||||
using
|
||||
.Xr disktab 5
|
||||
entry
|
||||
.Ar disktype
|
||||
to determine geometry, if required.
|
||||
.Pp
|
||||
The options are as follows:
|
||||
.Bl -tag -width 10n -offset indent
|
||||
.It Fl f Ar capacity
|
||||
Use defaults for a typical file system with
|
||||
.Ar capacity
|
||||
kilobytes.
|
||||
Currently, the values 360, 720, 1200, and 1440 are recognized.
|
||||
.Pp
|
||||
If this option is not specified,
|
||||
.Nm
|
||||
attempts to determine the size of the
|
||||
.Ar device .
|
||||
This is not reliably possible in all cases, but is believed to work
|
||||
for the more common situations.
|
||||
.It Fl L Ar vollabel
|
||||
Use
|
||||
.Ar vollabel
|
||||
to describe the file system, instead of the default
|
||||
.Ql 4.4BSD .
|
||||
The options are as follow:
|
||||
.Bl -tag -width indent
|
||||
.It Fl N
|
||||
Don't create a file system: just print out parameters.
|
||||
.It Fl B Ar boot
|
||||
Get bootstrap from file.
|
||||
.It Fl F Ar FAT-type
|
||||
FAT type (one of 12, 16, or 32).
|
||||
.It Fl I Ar volid
|
||||
Volume ID.
|
||||
.It Fl L Ar label
|
||||
Volume label (up to 11 characters). The label should consist of
|
||||
only those characters permitted in regular DOS (8+3) filenames.
|
||||
.It Fl O Ar OEM
|
||||
OEM string (up to 8 characters). The default is
|
||||
.Qq Li "BSD 4.4" .
|
||||
.It Fl S Ar sector-size
|
||||
Number of bytes per sector. Acceptable values are powers of 2
|
||||
in the range 128 through 32768.
|
||||
.It Fl a Ar FAT-size
|
||||
Number of sectors per FAT.
|
||||
.It Fl b Ar block-size
|
||||
File system block size (bytes per cluster). This should resolve to an
|
||||
acceptable number of sectors per cluster (see below).
|
||||
.It Fl c Ar cluster-size
|
||||
Sectors per cluster. Acceptable values are powers of 2 in the range
|
||||
1 through 128.
|
||||
.It Fl e Ar dirents
|
||||
Number of root directory entries (FAT12 and FAT16 only).
|
||||
.It Fl f Ar format
|
||||
Specify a standard (floppy disk) format. The standard formats
|
||||
are (capacities in kilobytes): 160, 180, 320, 360, 640, 720, 1200,
|
||||
1232, 1440, 2880.
|
||||
.It Fl h Ar heads
|
||||
Number of drive heads.
|
||||
.It Fl i Ar info
|
||||
Location of the file system info sector (FAT32 only).
|
||||
A value of 0xffff signifies no info sector.
|
||||
.It Fl k Ar backup
|
||||
Location of the backup boot sector (FAT32 only). A value
|
||||
of 0xffff signifies no backup sector.
|
||||
.It Fl m Ar media
|
||||
Media descriptor (acceptable range 0xf0 to 0xff).
|
||||
.It Fl n Ar FATs
|
||||
Number of FATs. Acceptable values are 1 to 16 inclusive.
|
||||
The default
|
||||
is 2.
|
||||
.It Fl o Ar hidden
|
||||
Number of hidden sectors.
|
||||
.It Fl r Ar reserved
|
||||
Number of reserved sectors.
|
||||
.It Fl s Ar total
|
||||
File system size.
|
||||
.It Fl u Ar track-size
|
||||
Number of sectors per track.
|
||||
.El
|
||||
.Sh NOTES
|
||||
FAT file system parameters occupy a "Boot Sector BPB (BIOS Parameter
|
||||
Block)" in the first of the "reserved" sectors which precede the actual
|
||||
file system. For reference purposes, this structure is presented
|
||||
below.
|
||||
.Bd -literal
|
||||
struct bsbpb {
|
||||
u_int16_t bps; /* [-S] bytes per sector */
|
||||
u_int8_t spc; /* [-c] sectors per cluster */
|
||||
u_int16_t res; /* [-r] reserved sectors */
|
||||
u_int8_t nft; /* [-n] number of FATs */
|
||||
u_int16_t rde; /* [-e] root directory entries */
|
||||
u_int16_t sec; /* [-s] total sectors */
|
||||
u_int8_t mid; /* [-m] media descriptor */
|
||||
u_int16_t spf; /* [-a] sectors per FAT */
|
||||
u_int16_t spt; /* [-u] sectors per track */
|
||||
u_int16_t hds; /* [-h] drive heads */
|
||||
u_int32_t hid; /* [-o] hidden sectors */
|
||||
u_int32_t bsec; /* [-s] big total sectors */
|
||||
};
|
||||
/* FAT32 extensions */
|
||||
struct bsxbpb {
|
||||
u_int32_t bspf; /* [-a] big sectors per FAT */
|
||||
u_int16_t xflg; /* control flags */
|
||||
u_int16_t vers; /* file system version */
|
||||
u_int32_t rdcl; /* root directory start cluster */
|
||||
u_int16_t infs; /* [-i] file system info sector */
|
||||
u_int16_t bkbs; /* [-k] backup boot sector */
|
||||
};
|
||||
.Ed
|
||||
.Sh EXAMPLES
|
||||
.Bd -literal -offset indent
|
||||
newfs_msdos /dev/ad0s1
|
||||
.Ed
|
||||
.Pp
|
||||
The file system structure consists of three major areas:
|
||||
.Bl -tag -width 10n -offset indent
|
||||
.It Em The bootsector
|
||||
This is the very first (512-byte) sector.
|
||||
It contains executable
|
||||
code that normally would bootstrap an operating system when loaded.
|
||||
Since it's beyond the scope of
|
||||
.Nm
|
||||
to install an operating system on the medium, this boot code will only
|
||||
print a message that the disk does not contain a bootable system.
|
||||
Inside the
|
||||
.Em bootsector
|
||||
is the
|
||||
.Em BIOS parameter block (BPB) ,
|
||||
where several statistical parameters of the file system are being
|
||||
held.
|
||||
.It Em The File Allocation Table(s) (FAT)
|
||||
Sectors next to the
|
||||
.Em bootsector
|
||||
hold the FAT, which is used to register file system allocation, as
|
||||
well as keeping pointer chains for the chunks constituting one file.
|
||||
There are usually two identical copies of the FAT.
|
||||
.It Em The root directory
|
||||
The final structure is the root directory for this medium.
|
||||
It is merely a space reservation, padded with 0's, and unfortunately fixed
|
||||
in its size.
|
||||
.Nm
|
||||
initializes it to empty, and enters a volume label record into the
|
||||
very first directory slot.
|
||||
.El
|
||||
.Sh DIAGNOSTICS
|
||||
An exit status of 0 is returned upon successful operation.
|
||||
Exit status 1 is returned on any errors during file system creation,
|
||||
and an exit status of 2 reflects invalid arguments given to the
|
||||
program (along with an appropriate information written to diagnostic
|
||||
output).
|
||||
Create a file system, using default parameters, on
|
||||
.Pa /dev/ad0s1 .
|
||||
.Bd -literal -offset indent
|
||||
newfs_msdos -f 1440 -L foo fd0
|
||||
.Ed
|
||||
.Pp
|
||||
Create a standard 1.44M file system, with volume label
|
||||
.Ar foo ,
|
||||
on
|
||||
.Pa /dev/fd0 .
|
||||
.Sh SEE ALSO
|
||||
.Xr fdformat 1 ,
|
||||
.Xr fsck_msdos 8 ,
|
||||
.Xr mount_msdos 8 ,
|
||||
.Xr disktab 5 ,
|
||||
.Xr disklabel 8 ,
|
||||
.Xr fdisk 8 ,
|
||||
.Xr newfs 8
|
||||
.Sh BUGS
|
||||
There is currently no way to specify obscure file system parameters.
|
||||
Thus, only media with one of the supported capacity values can be formatted.
|
||||
For the same reason, it's not possible to handle hard disk partitions.
|
||||
More options should be added to allow this.
|
||||
More entries should be added to the table of known formats, too.
|
||||
.Pp
|
||||
No attempt is made to handle media defects.
|
||||
.Sh DIAGNOSTICS
|
||||
Exit status is 0 on success and 1 on error.
|
||||
.Sh HISTORY
|
||||
The
|
||||
.Nm
|
||||
appeared in
|
||||
.Fx 2.2 .
|
||||
.Sh AUTHOR
|
||||
The program has been contributed by
|
||||
.if n Joerg Wunsch,
|
||||
.if t J\(:org Wunsch,
|
||||
Dresden.
|
||||
command first appeared in
|
||||
.Fx 3.0 .
|
||||
.Sh AUTHORS
|
||||
.An Robert Nordier Aq rnordier@FreeBSD.org .
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
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Reference in New Issue
Block a user