summaryrefslogtreecommitdiff
path: root/scripts/install.sh
blob: 0305ef8e48076a3cea476730f5ae82ecfd1421de (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
#!/usr/bin/env bash
#-
# Copyright © 2010-2022
#	Waldemar Brodkorb <wbx@openadk.org>
#	Thorsten Glaser <tg@mirbsd.org>
#
# Provided that these terms and disclaimer and all copyright notices
# are retained or reproduced in an accompanying document, permission
# is granted to deal in this work without restriction, including un‐
# limited rights to use, publicly perform, distribute, sell, modify,
# merge, give away, or sublicence.
#
# This work is provided “AS IS” and WITHOUT WARRANTY of any kind, to
# the utmost extent permitted by applicable law, neither express nor
# implied; without malicious intent or gross negligence. In no event
# may a licensor, author or contributor be held liable for indirect,
# direct, other damage, loss, or other issues arising in any way out
# of dealing in the work, even if advised of the possibility of such
# damage or existence of a defect, except proven that it results out
# of said person’s immediate fault when using the work as intended.
#
# Alternatively, this work may be distributed under the terms of the
# General Public License, any version, as published by the Free Soft-
# ware Foundation.
#-
# Prepare a USB stick or CF/SD/MMC card or hard disc for installation
# of OpenADK

ADK_TOPDIR=$(pwd)
HOST=$(gcc -dumpmachine)
me=$0

case :$PATH: in
(*:$ADK_TOPDIR/host_$HOST/usr/bin:*) ;;
(*) export PATH=$PATH:$ADK_TOPDIR/host_$HOST/usr/bin ;;
esac

test -n "$KSH_VERSION" || exec mksh "$me" "$@"
if test -z "$KSH_VERSION"; then
	echo >&2 Fatal error: could not run myself with mksh!
	exit 255
fi

### run with mksh from here onwards ###

me=${me##*/}

if (( USER_ID )); then
	print -u2 Installation is only possible as root!
	exit 1
fi

ADK_TOPDIR=$(realpath .)
ostype=$(uname -s)

fs=ext4
cfgfs=1
datafssz=0
noformat=0
quiet=0
serial=0
speed=115200
panicreboot=10
keep=0
grub=0
paragon_ext=0
datapartcontent=""

function usage {
cat >&2 <<EOF
Syntax: $me [-f filesystem] [-c cfgfssize] [-d datafssize] [-D datafscontent] [-k] [-n] [-g]
    [-p panictime] [±q] [-s serialspeed] [±t] <target> <device> <archive>
Partition sizes are in MiB. Filesystem type is currently ignored (ext4).
To keep filesystem on data partition use -k.
Use -n to not format boot/root partition.
Defaults: -c 1 -p 10 -s 115200; -t = enable serial console
EOF
	exit $1
}
while getopts "c:d:D:ef:ghknp:qs:tx:" ch; do
	case $ch {
	(c)	if (( (cfgfs = OPTARG) < 0 || cfgfs > 16 )); then
			print -u2 "$me: -c $OPTARG out of bounds"
			exit 1
		fi ;;
	(d)	if (( (datafssz = OPTARG) < 0 )); then
			print -u2 "$me: -d $OPTARG out of bounds"
			exit 1
		fi ;;
	(e)	paragon_ext=1 ;;
	(f)	if [[ $OPTARG != @(ext2|ext3|ext4|xfs) ]]; then
			print -u2 "$me: filesystem $OPTARG invalid"
			exit 1
		fi
		fs=$OPTARG ;;
	(h)	usage 0 ;;
	(k)	keep=1 ;;
	(g)	grub=1 ;;
	(p)	if (( (panicreboot = OPTARG) < 0 || panicreboot > 300 )); then
			print -u2 "$me: -p $OPTARG out of bounds"
			exit 1
		fi ;;
	(q)	quiet=1 ;;
	(+q)	quiet=0 ;;
	(s)	if [[ $OPTARG != @(96|192|384|576|1152)00 ]]; then
			print -u2 "$me: serial speed $OPTARG invalid"
			exit 1
		fi
		speed=$OPTARG ;;
	(n)	noformat=1 ;;
	(t)	serial=1 ;;
	(+t)	serial=0 ;;
        (D)	if [[ ! -d $OPTARG ]]; then
			print -u2 "$me: -D $OPTARG must be an existing directory"
			exit 1
		fi
                datapartcontent=$OPTARG;;
	(*)	usage 1 ;;
	}
done
shift $((OPTIND - 1))

(( $# == 3 )) || usage 1

f=0
case $ostype {
(Linux)
	tools="bc mkfs.ext4 mkfs.vfat tune2fs partprobe"
	;;
(Darwin)
	tools="bc diskutil"
	if [[ $paragon_ext == 0 ]]; then
	    export PATH=/usr/local/opt/e2fsprogs/sbin:/usr/local/opt/e2fsprogs/bin:$PATH
	    tools="$tools fuse-ext2 umount mkfs.ext4 tune2fs"
	fi
	;;
(*)
	print -u2 Sorry, not ported to the OS "'$ostype'" yet.
	exit 1
	;;
}
for tool in $tools; do
	print -n Checking if $tool is installed...
	if whence -p $tool >/dev/null; then
		print " okay"
	else
		print " failed"
		f=1
	fi
done
(( f )) && exit 1

target=$1
tgt=$2
src=$3

case $target {
(banana-pro|orange-pi0|pcengines-apu|phytec-imx6|phytec-wega|raspberry-pi|raspberry-pi0|raspberry-pi2|raspberry-pi3|raspberry-pi3-64|raspberry-pi4|raspberry-pi4-64|solidrun-imx6|solidrun-clearfog|imgtec-ci20|default) ;;
(*)
	print -u2 "Unknown target '$target', exiting"
	exit 1 ;;
}
if [[ ! -b $tgt ]]; then
	print -u2 "'$tgt' is not a block device, exiting"
	exit 1
fi
if [[ ! -f $src ]]; then
	print -u2 "'$src' is not a file, exiting"
	exit 1
fi
(( quiet )) || print "Installing $src on $tgt."

case $ostype {
(Darwin)
	R=/Volumes/ADKROOT; diskutil unmount $R || umount $R
	B=/Volumes/ADKBOOT; diskutil unmount $B || umount $B
	D=/Volumes/ADKDATA; diskutil unmount $D || umount $D
	basedev=$tgt
	rootpart=${basedev}s1
	datapart=${basedev}s2
	if [[ $target = raspberry-pi || $target = raspberry-pi0 || $target = raspberry-pi2 || $target = raspberry-pi3 || $target = raspberry-pi3-64 || $target = raspberry-pi4 || $target = raspberry-pi4-64 || $target = phytec-wega ]]; then
		bootpart=${basedev}s1
		rootpart=${basedev}s2
		datapart=${basedev}s3
	fi
	match=\'${basedev}\''?(s+([0-9]))'
	function mount_fs {
	    if [[ $paragon_ext == 0 && $3 = ext4 ]]; then
		mkdir -p $2
		fuse-ext2 "$1" "$2" -o rw+
	    fi
	}
	function umount_fs {
		(( quiet )) || print "Unmounting filesystem on ${1}..."
	    if [[ $paragon_ext == 0 ]]; then
		umount "$1" || diskutil unmount "$1" || true
		rmdir $2 || true
	    else
		diskutil unmount "$1"
	    fi
	}
	function create_fs {
		(( quiet )) || printf "Creating filesystem on ${1}"
	    if [[ $paragon_ext == 0 && $3 = ext4 ]]; then
			mkfs.ext4 -L "$2" "$1"
	    else
			if [[ $3 = ext4 ]]; then
				fstype=UFSD_EXTFS4
			fi
			if [[ $3 = vfat ]]; then
				fstype=fat32
			fi
			diskutil eraseVolume $fstype "$2" "$1"
	    fi
	}
	function tune_fs {
	    if [[ $paragon_ext == 0 && $3 = ext4 ]]; then
			tune2fs -c 0 -i 0 "$1"
	    fi
	}
	;;
(Linux)
	basedev=$tgt
	partitionsep=""
	if [[ $basedev = /dev/loop* ]]; then
		(( quiet )) || print "${tgt} is a loop device"
		partitionsep=p
	fi

	rootpart=${basedev}${partitionsep}1
	datapart=${basedev}${partitionsep}2
	if [[ $target = raspberry-pi || $target = raspberry-pi0 || $target = raspberry-pi2 || $target = raspberry-pi3 || $target = raspberry-pi3-64 || $target = raspberry-pi4 || $target = raspberry-pi4-64 ]]; then
		bootpart=${basedev}${partitionsep}1
		rootpart=${basedev}${partitionsep}2
		datapart=${basedev}${partitionsep}3
	fi

	match=\'${basedev}${partitionsep}\''+([0-9])'
	function mount_fs {
		(( quiet )) || print "Mounting filesystem on ${1}..."
		mount -t "$3" "$1" "$2"
	}
	function umount_fs {
		(( quiet )) || print "Unmounting filesystem on ${1}..."
		umount "$1"
	}
	function create_fs {
		(( quiet )) || print "Creating filesystem on ${1}..."
		mkfs.$3 "$1"
	}
	function tune_fs {
		tune2fs -c 0 -i 0 "$1"
	}
	;;
}

mount |&
while read -p dev rest; do
	eval [[ \$dev = $match ]] || continue
	print -u2 "Block device $tgt is in use, please umount first."
	exit 1
done

if (( !quiet )); then
	print "WARNING: This will overwrite $basedev - type Yes to continue!"
	read x
	[[ $x = Yes ]] || exit 0
fi

if ! T=$(mktemp -d /tmp/openadk.XXXXXXXXXX); then
	print -u2 Error creating temporary directory.
	exit 1
fi
if [[ $ostype != Darwin ]]; then
	R=$T/rootmnt
	B=$T/bootmnt
	D=$T/datamnt
	mkdir -p "$R" "$B" "$D"
fi

# get disk size
dksz=$(dkgetsz "$tgt")

# partition layouts:
# n̲a̲m̲e̲		p̲a̲r̲t̲#̲0̲		p̲̲a̲r̲t̲#̲1̲		p̲̲a̲r̲t̲#̲2̲		p̲̲a̲r̲t̲#̲3̲
# default:	0x83(system)	0x83(?data)	-(unused)	0x88(cfgfs)
# raspberry:	0x0B(boot)	0x83(system)	0x83(?data)	0x88(cfgfs)

syspartno=0

# sizes:
# boot(raspberry) - fixed (100 MiB)
# cfgfs - fixed (parameter, max. 16 MiB)
# data - flexible (parameter)
# system - everything else

if [[ $target = raspberry-pi || $target = raspberry-pi0 || $target = raspberry-pi2 || $target = raspberry-pi3 || $target = raspberry-pi3-64 || $target = raspberry-pi4 || $target = raspberry-pi4-64 || $target = phytec-wega ]]; then
	syspartno=1
	bootfssz=100
	if (( grub )); then
		print -u2 "Cannot combine GRUB with $target"
		rm -rf "$T"
		exit 1
	fi
else
	bootfssz=0
fi

heads=64
secs=32
(( cyls = dksz / heads / secs ))
if (( cyls < (bootfssz + cfgfs + datafssz + 2) )); then
	print -u2 "Size of $tgt is $dksz, this looks fishy?"
	rm -rf "$T"
	exit 1
fi

if stat -qs .>/dev/null 2>&1; then
	statcmd='stat -f %z'	# BSD stat (or so we assume)
else
	statcmd='stat -c %s'	# GNU stat
fi

if (( grub )); then
	tar -xOf "$src" boot/grub/core.img >"$T/core.img"
	integer coreimgsz=$($statcmd "$T/core.img")
else
	coreimgsz=65024
fi
if (( coreimgsz < 1024 )); then
	print -u2 core.img is probably too small: $coreimgsz
	rm -rf "$T"
	exit 1
fi
if (( coreimgsz > 65024 )); then
	print -u2 core.img is larger than 64K-512: $coreimgsz
	rm -rf "$T"
	exit 1
fi
(( coreendsec = (coreimgsz + 511) / 512 ))
if [[ $basedev = /dev/svnd+([0-9]) ]]; then
	# BSD svnd0 mode: protect sector #1
	corestartsec=2
	(( ++coreendsec ))
	corepatchofs=$((0x614))
else
	corestartsec=1
	corepatchofs=$((0x414))
fi
# partition offset: at least coreendsec+1 but aligned on a multiple of secs
#(( partofs = ((coreendsec / secs) + 1) * secs ))
# we just use 2048 all the time, since some loaders are longer
partofs=2048
if [[ $target = raspberry-pi || $target = raspberry-pi0 || $target = raspberry-pi2 || $target = raspberry-pi3 || $target = raspberry-pi3-64 || $target = raspberry-pi4 || $target = raspberry-pi4-64 || $target = phytec-wega ]]; then
	(( spartofs = partofs + (100 * 2048) ))
else
	spartofs=$partofs
fi

(( quiet )) || if (( grub )); then
	print Preparing MBR and GRUB2...
else
	print Preparing MBR...
fi
dd if=/dev/zero of="$T/firsttrack" count=$partofs 2>/dev/null
# add another MiB to clear the first partition
dd if=/dev/zero bs=1048576 count=1 >>"$T/firsttrack" 2>/dev/null
echo $corestartsec $coreendsec | mksh "$ADK_TOPDIR/scripts/bootgrub.mksh" \
    -A -g $((cyls - bootfssz - cfgfs - datafssz)):$heads:$secs -M 1:0x83 \
    -O $spartofs | dd of="$T/firsttrack" conv=notrunc 2>/dev/null
(( grub )) && dd if="$T/core.img" of="$T/firsttrack" conv=notrunc \
    seek=$corestartsec 2>/dev/null
# set partition where it can find /boot/grub
(( grub )) && print -n '\0\0\0\0' | \
    dd of="$T/firsttrack" conv=notrunc bs=1 seek=$corepatchofs 2>/dev/null

# create cfgfs partition (mostly taken from bootgrub.mksh)
set -A thecode
typeset -Uui8 thecode
mbrpno=0
set -A g_code $cyls $heads $secs
(( psz = g_code[0] * g_code[1] * g_code[2] ))
(( pofs = (cyls - cfgfs) * g_code[1] * g_code[2] ))
set -A o_code	# g_code equivalent for partition offset
(( o_code[2] = pofs % g_code[2] + 1 ))
(( o_code[1] = pofs / g_code[2] ))
(( o_code[0] = o_code[1] / g_code[1] + 1 ))
(( o_code[1] = o_code[1] % g_code[1] + 1 ))
# boot flag; C/H/S offset
thecode[mbrpno++]=0x00
(( thecode[mbrpno++] = o_code[1] - 1 ))
(( cylno = o_code[0] > 1024 ? 1023 : o_code[0] - 1 ))
(( thecode[mbrpno++] = o_code[2] | ((cylno & 0x0300) >> 2) ))
(( thecode[mbrpno++] = cylno & 0x00FF ))
# partition type; C/H/S end
(( thecode[mbrpno++] = 0x88 ))
(( thecode[mbrpno++] = g_code[1] - 1 ))
(( cylno = g_code[0] > 1024 ? 1023 : g_code[0] - 1 ))
(( thecode[mbrpno++] = g_code[2] | ((cylno & 0x0300) >> 2) ))
(( thecode[mbrpno++] = cylno & 0x00FF ))
# partition offset, size (LBA)
(( thecode[mbrpno++] = pofs & 0xFF ))
(( thecode[mbrpno++] = (pofs >> 8) & 0xFF ))
(( thecode[mbrpno++] = (pofs >> 16) & 0xFF ))
(( thecode[mbrpno++] = (pofs >> 24) & 0xFF ))
(( pssz = psz - pofs ))
(( thecode[mbrpno++] = pssz & 0xFF ))
(( thecode[mbrpno++] = (pssz >> 8) & 0xFF ))
(( thecode[mbrpno++] = (pssz >> 16) & 0xFF ))
(( thecode[mbrpno++] = (pssz >> 24) & 0xFF ))
# write partition table entry
ostr=
curptr=0
while (( curptr < 16 )); do
	ostr=$ostr\\0${thecode[curptr++]#8#}
done
print -n "$ostr" | \
    dd of="$T/firsttrack" conv=notrunc bs=1 seek=$((0x1EE)) 2>/dev/null

if (( datafssz )); then
	# create data partition (copy of the above :)
	set -A thecode
	typeset -Uui8 thecode
	mbrpno=0
	set -A g_code $cyls $heads $secs
	(( psz = (cyls - cfgfs) * g_code[1] * g_code[2] ))
	(( pofs = (cyls - cfgfs - datafssz) * g_code[1] * g_code[2] ))
	set -A o_code	# g_code equivalent for partition offset
	(( o_code[2] = pofs % g_code[2] + 1 ))
	(( o_code[1] = pofs / g_code[2] ))
	(( o_code[0] = o_code[1] / g_code[1] + 1 ))
	(( o_code[1] = o_code[1] % g_code[1] + 1 ))
	# boot flag; C/H/S offset
	thecode[mbrpno++]=0x00
	(( thecode[mbrpno++] = o_code[1] - 1 ))
	(( cylno = o_code[0] > 1024 ? 1023 : o_code[0] - 1 ))
	(( thecode[mbrpno++] = o_code[2] | ((cylno & 0x0300) >> 2) ))
	(( thecode[mbrpno++] = cylno & 0x00FF ))
	# partition type; C/H/S end
	(( thecode[mbrpno++] = 0x83 ))
	(( thecode[mbrpno++] = g_code[1] - 1 ))
	(( cylno = (g_code[0] - cfgfs) > 1024 ? 1023 : g_code[0] - cfgfs - 1 ))
	(( thecode[mbrpno++] = g_code[2] | ((cylno & 0x0300) >> 2) ))
	(( thecode[mbrpno++] = cylno & 0x00FF ))
	# partition offset, size (LBA)
	(( thecode[mbrpno++] = pofs & 0xFF ))
	(( thecode[mbrpno++] = (pofs >> 8) & 0xFF ))
	(( thecode[mbrpno++] = (pofs >> 16) & 0xFF ))
	(( thecode[mbrpno++] = (pofs >> 24) & 0xFF ))
	(( pssz = psz - pofs ))
	(( thecode[mbrpno++] = pssz & 0xFF ))
	(( thecode[mbrpno++] = (pssz >> 8) & 0xFF ))
	(( thecode[mbrpno++] = (pssz >> 16) & 0xFF ))
	(( thecode[mbrpno++] = (pssz >> 24) & 0xFF ))
	# write partition table entry
	ostr=
	curptr=0
	while (( curptr < 16 )); do
		ostr=$ostr\\0${thecode[curptr++]#8#}
	done
	print -n "$ostr" | \
	    dd of="$T/firsttrack" conv=notrunc bs=1 seek=$((0x1CE)) 2>/dev/null
fi

if [[ $target = raspberry-pi || $target = raspberry-pi0 || $target = raspberry-pi2 || $target = raspberry-pi3 || $target = raspberry-pi3-64 || $target = raspberry-pi4 || $target = raspberry-pi4-64 || $target = phytec-wega ]]; then
	# move system and data partition from #0/#1 to #1/#2
	dd if="$T/firsttrack" bs=1 skip=$((0x1BE)) count=32 of="$T/x" 2>/dev/null
	dd of="$T/firsttrack" conv=notrunc bs=1 seek=$((0x1CE)) if="$T/x" 2>/dev/null
	# create boot partition (copy of the above :)
	set -A thecode
	typeset -Uui8 thecode
	mbrpno=0
	set -A g_code $cyls $heads $secs
	psz=$spartofs
	pofs=$partofs
	set -A o_code	# g_code equivalent for partition offset
	(( o_code[2] = pofs % g_code[2] + 1 ))
	(( o_code[1] = pofs / g_code[2] ))
	(( o_code[0] = o_code[1] / g_code[1] + 1 ))
	(( o_code[1] = o_code[1] % g_code[1] + 1 ))
	# boot flag; C/H/S offset
	thecode[mbrpno++]=0x00
	(( thecode[mbrpno++] = o_code[1] - 1 ))
	(( cylno = o_code[0] > 1024 ? 1023 : o_code[0] - 1 ))
	(( thecode[mbrpno++] = o_code[2] | ((cylno & 0x0300) >> 2) ))
	(( thecode[mbrpno++] = cylno & 0x00FF ))
	# partition type; C/H/S end
	(( thecode[mbrpno++] = 0x0B ))
	(( thecode[mbrpno++] = g_code[1] - 1 ))
	(( cylno = (spartofs / 2048) > 1024 ? 1023 : (spartofs / 2048) - 1 ))
	(( thecode[mbrpno++] = g_code[2] | ((cylno & 0x0300) >> 2) ))
	(( thecode[mbrpno++] = cylno & 0x00FF ))
	# partition offset, size (LBA)
	(( thecode[mbrpno++] = pofs & 0xFF ))
	(( thecode[mbrpno++] = (pofs >> 8) & 0xFF ))
	(( thecode[mbrpno++] = (pofs >> 16) & 0xFF ))
	(( thecode[mbrpno++] = (pofs >> 24) & 0xFF ))
	(( pssz = psz - pofs ))
	(( thecode[mbrpno++] = pssz & 0xFF ))
	(( thecode[mbrpno++] = (pssz >> 8) & 0xFF ))
	(( thecode[mbrpno++] = (pssz >> 16) & 0xFF ))
	(( thecode[mbrpno++] = (pssz >> 24) & 0xFF ))
	# write partition table entry
	ostr=
	curptr=0
	while (( curptr < 16 )); do
		ostr=$ostr\\0${thecode[curptr++]#8#}
	done
	print -n "$ostr" | \
	    dd of="$T/firsttrack" conv=notrunc bs=1 seek=$((0x1BE)) 2>/dev/null
fi

# disk signature
rnddev=/dev/urandom
[[ -c /dev/arandom ]] && rnddev=/dev/arandom
dd if=$rnddev bs=4 count=1 2>/dev/null | \
    dd of="$T/firsttrack" conv=notrunc bs=1 seek=$((0x1B8)) 2>/dev/null
print -n '\0\0' | \
    dd of="$T/firsttrack" conv=notrunc bs=1 seek=$((0x1BC)) 2>/dev/null
partuuid=$(dd if="$T/firsttrack" bs=1 count=4 skip=$((0x1B8)) 2>/dev/null | \
    hexdump -e '1/4 "%08x"')-0$((syspartno+1))

((keep)) || if (( datafssz )); then
	(( quiet )) || print Cleaning out data partition...
	dd if=/dev/zero of="$tgt" bs=1048576 count=1 seek=$((cyls - cfgfs - datafssz)) > /dev/null 2>&1
fi
(( quiet )) || print Cleaning out root partition...
dd if=/dev/zero bs=1048576 of="$tgt" count=1 seek=$((spartofs / 2048)) > /dev/null 2>&1

(( quiet )) || if (( grub )); then
	print Writing MBR and GRUB2 to target device... system PARTUUID=$partuuid
else
	print Writing MBR to target device... system PARTUUID=$partuuid
fi
dd if="$T/firsttrack" of="$tgt" > /dev/null 2>&1

if [[ $ostype = Linux ]]; then
  echo partprobe $tgt
  partprobe -s $tgt
  sync
  fdisk -l $tgt
  ls -la ${tgt}*
fi

fwdir=$(dirname "$src")

case $target {
(imgtec-ci20)
	dd if="$fwdir/u-boot-spl.bin" of="$tgt" obs=512 seek=1 > /dev/null 2>&1
	dd if="$fwdir/u-boot-dtb.img" of="$tgt" obs=1k seek=14 > /dev/null 2>&1
	;;
(banana-pro|orange-pi0)
	dd if="$fwdir/u-boot-sunxi-with-spl.bin" of="$tgt" bs=1024 seek=8 > /dev/null 2>&1
	;;
(solidrun-clearfog)
	dd if="$fwdir/u-boot-spl.kwb" of="$tgt" bs=512 seek=1 > /dev/null 2>&1
	;;
(solidrun-imx6|phytec-imx6)
	dd if="$fwdir/SPL" of="$tgt" bs=1024 seek=1 > /dev/null 2>&1
	dd if="$fwdir/u-boot.img" of="$tgt" bs=1024 seek=69 > /dev/null 2>&1
	;;
(raspberry-pi|raspberry-pi0|raspberry-pi2|raspberry-pi3|raspberry-pi3-64|raspberry-pi4|raspberry-pi4-64)
	(( noformat )) || create_fs "$bootpart" ADKBOOT vfat
	;;
(phytec-wega)
	(( noformat )) || create_fs "$bootpart" ADKBOOT ext4
	;;
}

(( noformat )) || create_fs "$rootpart" ADKROOT ext4
(( noformat )) || tune_fs "$rootpart"

(( quiet )) || print Extracting installation archive...
mount_fs "$rootpart" "$R" ext4
xz -dc "$src" | (cd "$R"; tar -xpf -)

if (( datafssz )); then
	mkdir -m0755 "$R"/data
	((keep)) || create_fs "$datapart" ADKDATA ext4
	((keep)) || tune_fs "$datapart"
	case $target {
	(raspberry-pi|raspberry-pi0|raspberry-pi2|raspberry-pi3|raspberry-pi3-64|raspberry-pi4|raspberry-pi4-64|phytec-wega)
		echo "/dev/mmcblk0p3	/data	ext4	rw	0	0" >> "$R"/etc/fstab 
	;;
	(banana-pro|orange-pi0|solidrun-clearfog)
		echo "/dev/mmcblk0p2	/data	ext4	rw	0	0" >> "$R"/etc/fstab
	;;
	(solidrun-imx6|phytec-imx6)
		echo "/dev/mmcblk1p2	/data	ext4	rw	0	0" >> "$R"/etc/fstab
	;;
	}
        if [[ -d $datapartcontent ]]; then
            mount_fs "$datapart" "$D" ext4
            # strip trailing slash
            case $datapartcontent in
                *[!/]*/) datapartcontent=${datapartcontent%"${x##*[!/]}"};;
            esac
            cp -R $datapartcontent/* "$D"
        fi
fi

(( quiet )) || print Finishing up with bootloader and kernel ...
case $target {
(raspberry-pi|raspberry-pi0|raspberry-pi2|raspberry-pi3|raspberry-pi3-64|raspberry-pi4|raspberry-pi4-64)
	mount_fs "$bootpart" "$B" vfat
	for x in "$R"/boot/*; do
		[[ -e "$x" ]] && mv -f "$R"/boot/* "$B/"
		break
	done
	for x in "$fwdir"/*.dtb; do
		[[ -e "$x" ]] && cp "$fwdir"/*.dtb "$B/"
		break
	done
        # use static dtoverlay, rename to *.dtb
	mkdir "$B/"overlays
	for x in "$fwdir"/overlays/*.dtbo; do
		y=$(basename ${x} .dtbo)
		[[ -e "$x" ]] && cp "$fwdir"/overlays/${y}.dtbo "$B/"overlays/${y}.dtb
	done
	umount_fs "$B"
	;;
(phytec-wega)
	mount_fs "$bootpart" "$B" ext4
	for x in "$R"/boot/*; do
		[[ -e "$x" ]] && mv -f "$R"/boot/* "$B/"
		break
	done
	for x in "$fwdir"/*.dtb; do
		[[ -e "$x" ]] && cp "$fwdir"/*.dtb "$B/"
		break
	done
	umount_fs "$B"
	;;
(solidrun-clearfog)
	for x in "$fwdir"/*.dtb; do
		[[ -e "$x" ]] && cp "$fwdir"/*.dtb "$R/boot/"
		break
	done
	mkimage -A arm -O linux -T script -C none -a 0 -e 0 \
		-n "SolidrunClearfog" \
		-d $fwdir/boot.script.clearfog $R/boot/boot.scr.uimg
	;;
(solidrun-imx6)
	for x in "$fwdir"/*.dtb; do
		[[ -e "$x" ]] && cp "$fwdir"/*.dtb "$R/boot/"
		break
	done
	mkimage -A arm -O linux -T script -C none -a 0 -e 0 \
		-n "SolidrunImx6" \
		-d $fwdir/boot.script.imx6 $R/boot/boot.scr.uimg
	;;
(phytec-imx6)
	for x in "$fwdir"/*.dtb; do
		[[ -e "$x" ]] && cp "$fwdir"/*.dtb "$R/boot/"
		break
	done
	mkimage -A arm -O linux -T script -C none -a 0 -e 0 \
		-n "PhytecImx6" \
		-d $fwdir/boot.script.phytec $R/boot/boot.scr.uimg
	;;
(orange-pi0)
	for x in "$fwdir"/*.dtb; do
		[[ -e "$x" ]] && cp "$fwdir"/*.dtb "$R/boot/"
		break
	done
	mkimage -A arm -O linux -T script -C none -a 0 -e 0 \
		-n "OrangePI Zero" \
		-d $fwdir/boot.script.opi $R/boot/boot.scr.uimg
	;;
(banana-pro)
	for x in "$fwdir"/*.dtb; do
		[[ -e "$x" ]] && cp "$fwdir"/*.dtb "$R/boot/"
		break
	done
	mkimage -A arm -O linux -T script -C none -a 0 -e 0 \
		-n "BananaPro" \
		-d $fwdir/boot.script.bpi $R/boot/boot.scr.uimg
	;;
}

cd "$R"
dd if=$rnddev bs=16 count=1 >>etc/.rnd 2>/dev/null
(( quiet )) || print Fixing up permissions...
chown 0:0 tmp
chmod 1777 tmp
[[ -f usr/bin/sudo ]] && chmod 4755 usr/bin/sudo

if (( grub )); then
	(( quiet )) || print Configuring GRUB2 bootloader...
	mkdir -p boot/grub
	(
		print set default=0
		print set timeout=1
		if (( serial )); then
			print serial --unit=0 --speed=$speed
			print terminal_output serial
			print terminal_input serial
			consargs="console=ttyS0,$speed console=tty0"
		else
			print terminal_output console
			print terminal_input console
			consargs="console=tty0"
		fi
		print
		print 'menuentry "GNU/Linux (OpenADK)" {'
		linuxargs="root=PARTUUID=$partuuid $consargs rootwait"
		(( panicreboot )) && linuxargs="$linuxargs panic=$panicreboot"
		print "\tlinux /boot/kernel $linuxargs"
		print '}'
	) >boot/grub/grub.cfg
fi

(( quiet )) || print Finishing up...
cd "$ADK_TOPDIR"
umount_fs "$R"
if (( datafssz )); then
    umount_fs $datapart
fi
rm -rf "$T"
exit 0