realview: create sd card image for qemu
enables a real rootfs with custom size use qemu with: qemu-system-arm -M realview-pbx-a9 \ -kernel openwrt-realview-vmlinux.elf \ -nographic -m 1024M \ -sd openwrt-realview-sdcard.img \ --append "console=ttyAMA0 root=/dev/mmcblk0p1" modified script from brcm2708 target Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de> SVN-Revision: 46924v19.07.3_mercusys_ac12_duma
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#!/usr/bin/env bash
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set -x
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[ $# -eq 3 ] || {
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echo "SYNTAX: $0 <file> <rootfs image> <rootfs size>"
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exit 1
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}
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OUTPUT="$1"
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ROOTFS="$2"
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ROOTFSSIZE="$3"
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head=4
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sect=63
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set `ptgen -o $OUTPUT -h $head -s $sect -l 4096 -t 83 -p ${ROOTFSSIZE}M`
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ROOTFSOFFSET="$(($1 / 512))"
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ROOTFSSIZE="$(($2 / 512))"
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dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
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