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📄 FlashDevice.sub(5.73 KB)
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Editing: FlashDevice.sub

#!/bin/sh
#
# Copyright (c) 2005 Poul-Henning Kamp.
# All rights reserved.
#
# 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.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
#
# $FreeBSD$
#
# Convenience function for commonly used Flash devices.
#
# There is a hook over in nanobsd.sh which allows you to call into
# this function simply with a line like:
#
#	FlashDevice Sandisk 256
#
# This file will then set NANO_MEDIASIZE, NANO_HEADS and NANO_SECTS for you.
#

sub_FlashDevice () {

a1=`echo $1 | tr '[:upper:]' '[:lower:]'`
	a2=`echo $2 | tr '[:upper:]' '[:lower:]'`
	case $a1 in
	hitachi)
		case $a2 in
		256|256mb)
			NANO_MEDIASIZE=`expr 256204800 / 512`
			NANO_HEADS=15
			NANO_SECTS=48
			;;
		*)
			echo "Unknown Hitachi Flash capacity"
			exit 2
			;;
		esac
		;;
	integral)
		# Source: mich@FreeBSD.org
		case $a2 in
		256|256mb)
			NANO_MEDIASIZE=`expr 259596288 / 512`
			NANO_HEADS=16
			NANO_SECTS=63
			;;
		*)
			echo "Unknown Integral i-Pro Flash capacity"
			exit 2
			;;
		esac
		;;
	kodak)
		# Source: mwlucas@FreeBSD.org
		case $a2 in
		64|64mb)
			NANO_MEDIASIZE=`expr 64487424 / 512`
			NANO_HEADS=4
			NANO_SECTS=32
			;;
		*)
			echo "Unknown Kodak Flash capacity"
			exit 2
			;;
		esac
		;;
	memorycorp)
		# Source: simon@FreeBSD.org
		case $a2 in
		512|512mb)
			# MC512CFLS2
			NANO_MEDIASIZE=`expr 519192576 / 512`
			NANO_HEADS=16
			NANO_SECTS=63
			;;
		*)
			echo "Unknown Memory Corp Flash capacity"
			exit 2
			;;
		esac
		;;
	sandisk)
		# Source:
		#	SanDisk CompactFlash Memory Card
		#	Product Manual
		#	Version 10.9
		#	Document No. 20-10-00038
		#	April 2005
		# Table 2-7 
		# NB: notice math error in SDCFJ-4096-388 line.
		#
		case $a2 in
		32|32mb)
			NANO_MEDIASIZE=`expr 32112640 / 512`
			NANO_HEADS=4
			NANO_SECTS=32
			;;
		64|64mb)
			NANO_MEDIASIZE=`expr 64225280 / 512`
			NANO_HEADS=8
			NANO_SECTS=32
			;;
		128|128mb)
			NANO_MEDIASIZE=`expr 128450560 / 512`
			NANO_HEADS=8
			NANO_SECTS=32
			;;
		256|256mb)
			NANO_MEDIASIZE=`expr 256901120 / 512`
			NANO_HEADS=16
			NANO_SECTS=32
			;;
		512|512mb)
			NANO_MEDIASIZE=`expr 512483328 / 512`
			NANO_HEADS=16
			NANO_SECTS=63
			;;
		1024|1024mb|1g)
			NANO_MEDIASIZE=`expr 1024966656 / 512`
			NANO_HEADS=16
			NANO_SECTS=63
			;;
		2048|2048mb|2g)
			NANO_MEDIASIZE=`expr 2048901120 / 512`
			NANO_HEADS=16
			NANO_SECTS=63
			;;
		4096|4096mb|4g)
			NANO_MEDIASIZE=`expr -e 4097802240 / 512`
			NANO_HEADS=16
			NANO_SECTS=63
			;;
		*)
			echo "Unknown Sandisk Flash capacity"
			exit 2
			;;
		esac
		;;
	siliconsystems)
		case $a2 in
 		256|256mb)
 			NANO_MEDIASIZE=`expr 260571136 / 512`
 			NANO_HEADS=16
 			NANO_SECTS=32
 			;;
		4096|4g)
			NANO_MEDIASIZE=`expr -e 4224761856 / 512`
			NANO_HEADS=16
			NANO_SECTS=63
			;;
		*)
			echo "Unknown SiliconSystems Flash capacity"
			exit 2
			;;
		esac
		;;
	soekris)
		case $a2 in
		net4526 | 4526 | net4826 | 4826 | 64 | 64mb)
			NANO_MEDIASIZE=125056
			NANO_HEADS=4
			NANO_SECTS=32
			;;
		*)
			echo "Unknown Soekris Flash capacity"
			exit 2
			;;
		esac
		;;
	transcend)
		case $a2 in
		dom064m)
			NANO_MEDIASIZE=125184
			NANO_HEADS=4
			NANO_SECTS=32
			;;
		2048|2g)
			NANO_MEDIASIZE=4061232
			NANO_HEADS=16
			NANO_SECTS=32
			;;
		*)
			echo "Unknown Transcend Flash capacity"
			exit 2
			;;
		esac
		;;
	# Generic flash media.  It assumes that we're booting using packet
	# mode so the HEADS and SECTS don't matter.  The truncation of the
	# size to a slightly lower number is intentional to be conservative
	# (eg, 1 sector smaller than N GB is always smaller than any flash
	# claiming to be N GB, but wastes a little space sometimes when 1GB
	# really means 1GiB).  This is intended to be used when producing
	# generic images for anybody to boot.  Media sizes are specified 'Xg'
	# for X GB (10^9 bytes) flash or Xm for X MB (10^6 bytes) flash.
	# Power of 2 variants can be specified with gi or mi for GiB and MiB
	# sizeed flash and don't try to be conservative (use with caution).
	generic)
		case $a2 in
		*.*)	# Catch unsupported 1.5g case, since expr can't
			# cope with floats.
			echo "Unsupported generic size $a2"
			exit 2
			;;
		*m)
			NANO_HEADS=16
			NANO_SECTS=63
			NANO_MEDIASIZE=`expr -e ${a2%m} \* 1000000 / 512`
			;;
		*g)
			NANO_HEADS=16
			NANO_SECTS=63
			NANO_MEDIASIZE=`expr -e ${a2%g} \* 1000000000 / 512`
			;;
		*mi)
			NANO_HEADS=16
			NANO_SECTS=63
			NANO_MEDIASIZE=`expr -e ${a2%mi} \* 1024 \* 1024 / 512`
			;;
		*gi)
			NANO_HEADS=16
			NANO_SECTS=63
			NANO_MEDIASIZE=`expr -e ${a2%gi} \* 1024 \* 1024 \* 1024 / 512`
			;;
		*)
			echo "Unsupported generic size $a2"
			exit 2
			;;
		esac
		;;
	*)
		echo "Unknown Flash manufacturer"
		exit 2
		;;
	esac
}

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Editing: FlashDevice.sub

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