summaryrefslogtreecommitdiff
path: root/resources/scripts/build/boot/roms_helper
blob: 2d8dce785810cf1aff0e5a4bf08c8ea5d6b8ddfb (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
#!/usr/bin/env bash

#  helper script: create ROM images for a given mainboard
#
#	Copyright (C) 2020,2021 Leah Rowe <info@minifree.org>
#	Copyright (C) 2021 Vitali64 <vitali64pmemail@protonmail.com>
#
#	This program is free software: you can redistribute it and/or modify
#	it under the terms of the GNU General Public License as published by
#	the Free Software Foundation, either version 3 of the License, or
#	(at your option) any later version.
#
#	This program is distributed in the hope that it will be useful,
#	but WITHOUT ANY WARRANTY; without even the implied warranty of
#	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#	GNU General Public License for more details.
#
#	You should have received a copy of the GNU General Public License
#	along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# This script assumes that the working directory is the root
# of git or release archive

[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e

projectname="$(cat projectname)"

if (( $# != 1 )); then
	printf "Usage: ./build boot roms boardname\n"
	printf "Example: ./build boot roms x60\n"
	printf "Example: ./build boot roms x60 x200_8mb\n"
	printf "Example: ./build boot roms all\n"
	printf "You need to specify exactly 1 argument\n"
	exit 1
fi

board="${1}"

if [ ! -d "resources/coreboot/${board}" ]; then
	printf "build/roms: Target %s does not exist in the %s build system. Skipping build.\n" "${projectname}" "${board}"
	exit 1
fi

if [ ! -f "resources/coreboot/${board}/board.cfg" ]; then
	printf "build/roms: Target %s does not have a board.cfg. Skipping build.\n" "${board}"
	exit 1
fi


# Workaround to grub's slow boot
grub_scan_disk="undefined" # both: scan ata and ahci (slow), there is ata and ahci too
                      # as an option
cbtree="undefined"
romtype="normal" # optional parameter in board.cfg. "normal" is default
arch="undefined"
# Disable all payloads by default.
# board.cfg files have to specifically enable [a] payload(s)
payload_grub="n"
payload_grub_withseabios="n" # seabios chainloaded from grub
payload_seabios="n"
payload_seabios_withgrub="n" # i386-coreboot grub accessible from SeaBIOS boot menu
seabios_opromloadonly="0"
payload_memtest="n"
# Override the above defaults using board.cfg
source "resources/coreboot/${board}/board.cfg"

if [ "${grub_scan_disk}" = "undefined" ]; then
	printf "build/roms: Target %s does not define grub_scan_disk. Defaulting to 'both'.\n" "${board}"
	grub_scan_disk="both"
fi

if [ "${grub_scan_disk}" != "both" ] && \
	[ "${grub_scan_disk}" != "ata" ] && \
	[ "${grub_scan_disk}" != "ahci" ]; then
	printf "build/roms: Target %s defines an invalid grub_scan_disk setting. Defaulting to 'both'.\n" "${board}"
	grub_scan_disk="both"
	# erroring out would be silly. just use the default
fi

if [ "${cbtree}" = "undefined" ]; then
	printf "build/roms: Target %s does not define a coreboot tree. Skipping build.\n" "${board}"
	exit 1
fi
if [ "${arch}" = "undefined" ]; then
	printf "build/roms: Target %s does not define a CPU type. Skipping build.\n" "${board}"
	exit 1
fi

if [ "${seabios_opromloadonly}" != "0" ] && \
		[ "${seabios_opromloadonly}" != "1" ]; then
	seabios_opromloadonly="0"
fi
if [ "${payload_memtest}" != "n" ] && \
		[ "${payload_memtest}" != "y" ]; then
	payload_memtest="n"
fi
if [ "${payload_grub_withseabios}" = "y" ]; then
	payload_grub="y"
fi
if [ "${payload_grub_withseabios}" = "y" ]; then
	payload_seabios="y"
	payload_seabios_withgrub="y" # if grub-first works, then seabios-with-grub will also work
fi
if [ "${payload_seabios_withgrub}" = "y" ]; then
	payload_seabios="y" # if seabios-with-grub works, then SeaBIOS-alone should also work
fi
# NOTE: reverse logic must not be applied. If SeaBIOS-with-GRUB works, that doesn't
# necessarily mean GRUB-with-SeaBIOS will work nicely. for example, the board might
# only have an add-on GPU available, where it's recommended to boot SeaBIOS first
if [ "${payload_grub}" != "y" ] && [ "${payload_seabios}" != "y" ]; then
	while true; do
		for configfile in "resources/coreboot/${board}/config/"*; do
			if [ -f "${configfile}" ]; then
				printf "ERROR build/roms: Target '%s' does not define a payload. Exiting.\n" "${board}"
				exit 1
			fi
		done
		break
	done
fi

if [ "${payload_memtest}" = "y" ]; then
	if [ ! -f "memtest86plus/memtest" ]; then
		./build module memtest86plus
	fi
fi

romdir="bin/${board}"
cbdir="coreboot/${board}"
if [ "${board}" != "${cbtree}" ]; then
	cbdir="coreboot/${cbtree}"
fi
cbfstool="${cbdir}/util/cbfstool/cbfstool"
corebootrom="${cbdir}/build/coreboot.rom"
seavgabiosrom="payload/seabios/seavgabios.bin"

if [ ! -d "${cbdir}" ]; then
	./download coreboot ${cbtree}
fi

if [ "${arch}" = "x86_32" ] || [ "${arch}" = "x86_64" ]; then
	if [ ! -d "${cbdir}/util/crossgcc/xgcc/i386-elf/" ]; then
		(
			cat version > "${cbdir}/.coreboot-version"
			cd "${cbdir}"
			make crossgcc-i386 CPUS=$(nproc) # even for 64-bit machines, coreboot builds
				# 32-bit ROM images, so we only need to worry about i386-elf
		)
	fi
elif [ "${arch}" = "ARMv7" ]; then
	cat version > "${cbdir}/.coreboot-version"
	cd "${cbdir}"
	make crossgcc-arm CPUS=$(nproc) # This is for armv7, doesn't apply to aarch64
elif [ "${arch}" = "AArch64" ]; then
	cat version > "${cbdir}/.coreboot-version"
	cd "${cbdir}"
	make crossgcc-aarch64 CPUS=$(nproc) # This is for aarch64, doesn't apply to armv7
fi

if [ ! -f "${cbfstool}" ]; then
	./build module cbutils ${cbtree}
fi

if [ ! -f "${seavgabiosrom}" ] \
		|| [ ! -f payload/seabios/seabios_libgfxinit.elf ] \
		|| [ ! -f payload/seabios/seabios_vgarom.elf ]; then
	if [ "${payload_seabios}" = "y" ]; then
		./build payload seabios
	elif [ "${payload_grub}" = "y" ] \
			&& [ "${payload_grub_withseabios}" = "y" ]; then
		./build payload seabios
	fi
fi

[ -d "${romdir}/" ] || mkdir -p "${romdir}/"
rm -f "${romdir}"/*

if [ "${payload_grub}" = "y" ] || [ "${payload_seabios_withgrub}" = "y" ]; then
	if [ -f "payload/grub/grub_usqwerty.cfg" ]; then
		grubrefchecksum="$(sha1sum resources/grub/config/grub.cfg)"
		grubrefchecksum="${grubrefchecksum%  resources/grub/config/grub.cfg}"
		grubbuildchecksum="$(sha1sum payload/grub/grub_usqwerty.cfg)"
		grubbuildchecksum="${grubbuildchecksum%  payload/grub/grub_usqwerty.cfg}"
		if [ "${grubrefchecksum}" != "${grubbuildchecksum}" ]; then
			rm -Rf payload/grub/
			printf "Changes detected to GRUB. Re-building now:\n"
		fi
	else
		printf "Required GRUB payloads not yet built. Building now:\n"
		rm -Rf payload/grub/ # just in case
	fi
	for keymapfile in resources/grub/keymap/*; do

		if [ ! -f "${keymapfile}" ]; then
			continue
		fi

		keymap="${keymapfile##*/}"
		keymap="${keymap%.gkb}"

		grubelf="payload/grub/grub_${keymap}.elf"
		grubcfg="payload/grub/grub_${keymap}.cfg"
		grubtestcfg="payload/grub/grub_${keymap}_test.cfg"

		if [ ! -f "${grubelf}" ] || [ ! -f "${grubcfg}" ] || \
				[ ! -f "${grubtestcfg}" ]; then
			./build payload grub
		fi
	done
fi

# it is assumed that no other work will be done on the ROM
# after calling this function. therefore this function is "final"
moverom() {
	rompath="$1"
	newrompath="$2"
	cuttype="$3"

	printf "\nCreating new ROM image: %s\n" "${newrompath}"

	if [ "${cuttype}" = "4MiB IFD BIOS region" ]; then
		dd if=${rompath} of=${newrompath} bs=1 skip=$[$(stat -c %s ${rompath}) - 0x400000] count=4194304
	else
		cp ${rompath} ${newrompath}
	fi

	# pike2008 cards cause a system hang when loading the option rom in seabios
	# if there is an empty option rom in cbfs, no option rom will be loaded
	if [ "${cuttype}" = "d8d16sas" ]; then
		emptyrom=$(mktemp -t coreboot_rom.XXXXXXXXXX)
		rm -f "${emptyrom}"
		touch "${emptyrom}"
		for deviceID in "0072" "3050"; do
			"${cbfstool}" "${newrompath}" add -f "${emptyrom}" -n pci1000,${deviceID}.rom -t raw
		done
		rm -f "${emptyrom}"
	fi

	for romsize in 4 8 16; do
		if [ "${cuttype}" = "${romsize}MiB ICH9 IFD NOR flash" ]; then
			if [ ! -f "descriptors/ich9m/ich9fdgbe_${romsize}m.bin" ]; then
				./build descriptors ich9m
			fi
			dd if=descriptors/ich9m/ich9fdgbe_${romsize}m.bin of=${newrompath} bs=1 count=12k conv=notrunc
		fi
		if [ "${cuttype}" = "${romsize}MiB ICH9 IFD NOGBE NOR flash" ]; then
			if [ ! -f "descriptors/ich9m/ich9fdnogbe_${romsize}m.bin" ]; then
				./build descriptors ich9m
			fi
			dd if=descriptors/ich9m/ich9fdnogbe_${romsize}m.bin of=${newrompath} bs=1 count=4k conv=notrunc
		fi
	done

	if [ "${cuttype}" = "i945 laptop" ]; then
		dd if=${newrompath} of=top64k.bin bs=1 skip=$[$(stat -c %s ${newrompath}) - 0x10000] count=64k
		dd if=top64k.bin of=${newrompath} bs=1 seek=$[$(stat -c %s ${newrompath}) - 0x20000] count=64k conv=notrunc
		rm -f top64k.bin
	fi
}

# expected: configs must not specify a payload
mkCoreboot() {
	cbdir="${1}" # e.g. coreboot/default
	cbcfgpath="${2}" # e.g. resources/coreboot/x200_8mb/config/libgfxinit_txtmode
	if [ ! -f "${cbcfgpath}" ]; then
		printf "\nmkCoreboot: Coreboot config '%s' does not exist. Skipping build.\n" \
			"${cbcfgpath}"
		return 0
	fi
	printf "%s-%s\n" "$(cat projectname)" "$(cat version)" > "${cbdir}/.coreboot-version"
	(
		cd "${cbdir}"
		make distclean		
	)
	cp "${cbcfgpath}" "${cbdir}"/.config
	(
		cd "${cbdir}"
		make -j$(nproc)
	)
}

# make a rom in /tmp/ and then print the path of that ROM
make_seabios_rom() {
	target_cbrom="${1}" # rom to insert seabios in. this rom won't be touched
		# a tmpfile will be made instead
	target_seabios_cbfs_path="${2}" # e.g. fallback/payload
	target_opromloadonly="${3}" # 0 or 1. if 1, only load but don't execute oproms
	target_initmode="${4}" # e.g. libgfxinit
	cbfstool_path="${5}"

	if [ "${target_initmode}" = "normal" ]; then
		target_seabioself="payload/seabios/seabios_vgarom.elf"
		# if normal, etc/pci-optionrom-exec will be set to 2
	else
		target_seabioself="payload/seabios/seabios_${target_initmode}.elf"
		# if libgfxinit, etc/pci-optionrom-exec will be set to 2
		# if vgarom, etc/pci-optionrom-exec will be set to 0
	fi
	target_seavgabios_rom="payload/seabios/seavgabios.bin"

	tmprom=$(mktemp -t coreboot_rom.XXXXXXXXXX)

	cp "${target_cbrom}" "${tmprom}"
	"${cbfstool}" "${tmprom}" add-payload -f "${target_seabioself}" -n ${target_seabios_cbfs_path} -c lzma
	"${cbfstool}" "${tmprom}" add-int -i 3000 -n etc/ps2-keyboard-spinup
	if [ "${target_initmode}" = "normal" ] || [ "${target_initmode}" = "libgfxinit" ]; then
		"${cbfstool}" "${tmprom}" add-int -i 2 -n etc/pci-optionrom-exec
	elif [ "${target_initmode}" = "vgarom" ]; then
		"${cbfstool}" "${tmprom}" add-int -i 0 -n etc/pci-optionrom-exec
	fi # for undefined modes, don't add this integer. rely on SeaBIOS defaults
	"${cbfstool}" "${tmprom}" add-int -i 0 -n etc/optionroms-checksum
	"${cbfstool}" "${tmprom}" add-int -i ${target_opromloadonly} -n etc/only-load-option-roms

	if [ "${target_initmode}" = "libgfxinit" ]; then
		"${cbfstool_path}" "${tmprom}" add -f "${target_seavgabios_rom}" -n vgaroms/seavgabios.bin -t raw
	fi

	printf "%s\n" "${tmprom}"
}

# make a rom in /tmp/ and then print the path of that ROM
make_grubrom_from_keymap() {
	target_keymap="${1}"
	target_cbrom="${2}"
	cbfstool_path="${3}"
	target_grubelf_cbfs_path="${4}" # e.g. fallback/payload

	grubelf="payload/grub/grub_${target_keymap}.elf"
	grubcfg="payload/grub/grub_${target_keymap}.cfg"
	grubtestcfg="payload/grub/grub_${target_keymap}_test.cfg"

	tmprom=$(mktemp -t coreboot_rom.XXXXXXXXXX)
	cp "${target_cbrom}" "${tmprom}"

	"${cbfstool_path}" "${tmprom}" add-payload -f "${grubelf}" -n ${target_grubelf_cbfs_path} -c lzma
	if [ "${grub_scan_disk}" = "ahci" ]; then
		sed 's/search_grub ata//' "${grubcfg}" > "${grubcfg}"
	elif [ "${grub_scan_disk}" = "ata" ]; then
		sed 's/search_grub ahci//' "${grubcfg}" > "${grubcfg}"
	fi

	"${cbfstool_path}" "${tmprom}" add -f "${grubcfg}" -n grub.cfg -t raw
	"${cbfstool_path}" "${tmprom}" add -f "${grubtestcfg}" -n grubtest.cfg -t raw

	backgroundfile="background1280x800.png"
	if [ "${board}" = "x60" ] || [ "${board}" = "t60_intelgpu" ]; then
		# TODO: don't hardcode this check. do it in board.cfg per board
		backgroundfile="background1024x768.png"
	fi
	backgroundfile="resources/grub/background/${backgroundfile}"
	"${cbfstool_path}" "${tmprom}" add -f ${backgroundfile} -n background.png -t raw

	printf "%s\n" "${tmprom}"
}

# Make separate ROM images with GRUB payload, for each supported keymap
mkRomsWithGrub() {
	tmprompath="${1}"
	initmode="${2}"
	displaymode="${3}"
	firstpayloadname="${4}" # allow values: grub, seabios, seabios_withgrub, seabios_grubfirst

	if [ "${payload_grub_withseabios}" = "y" ] && [ "${firstpayloadname}" = "grub" ]; then
		mv "$(make_seabios_rom "${tmprompath}" "seabios.elf" "${seabios_opromloadonly}" "${initmode}" "${cbfstool}")" "${tmprompath}"
	elif [ "${payload_seabios_withgrub}" ] && [ "${firstpayloadname}" != "grub" ]; then
		mv "$(make_seabios_rom "${tmprompath}" "fallback/payload" "${seabios_opromloadonly}" "${initmode}" "${cbfstool}")" "${tmprompath}"
		if [ "${firstpayloadname}" = "seabios_grubfirst" ]; then
			tmpbootorder=$(mktemp -t coreboot_rom.XXXXXXXXXX)
			printf "/rom@img/grub2\n" > "${tmpbootorder}"
			"${cbfstool}" "${tmprompath}" add -f "${tmpbootorder}" -n bootorder -t raw
			rm -f "${tmpbootorder}"
			"${cbfstool}" "${tmprompath}" add-int -i 0 -n etc/show-boot-menu
		fi
	fi

	for keymapfile in resources/grub/keymap/*; do

		if [ ! -f "${keymapfile}" ]; then
			continue
		fi

		keymap="${keymapfile##*/}"
		keymap="${keymap%.gkb}"

		grub_path_in_cbfs="fallback/payload"
		if [ "${firstpayloadname}" != "grub" ]; then
			grub_path_in_cbfs="img/grub2"
		fi

		tmpgrubrom="$(make_grubrom_from_keymap "${keymap}" "${tmprompath}" "${cbfstool}" "${grub_path_in_cbfs}")"
		if [ "${initmode}" = "normal" ]; then
			newrompath="${romdir}/${firstpayloadname}_${board}_${initmode}_${keymap}.rom"
		else
			newrompath="${romdir}/${firstpayloadname}_${board}_${initmode}_${displaymode}_${keymap}.rom"
		fi
		moverom "${tmpgrubrom}" "${newrompath}" "${romtype}"
		rm -f "${tmpgrubrom}"
	done
}

# Main ROM building function. This calls all other functions
mkRoms() {
	cbcfgpath="${1}"
	displaymode="${2}"
	initmode="${3}"

	if [ ! -f "${cbcfgpath}" ]; then
		printf "'%s' does not exist. Skipping build for %s %s %s\n" \
			"${cbcfgpath}" "${board}" "${displaymode}" "${initmode}"
		return 0
	fi

	mkCoreboot "${cbdir}" "${cbcfgpath}"

	if [ "${displaymode}" = "txtmode" ] && [ "${payload_memtest}" = "y" ]; then
		"${cbfstool}" "${corebootrom}" add-payload -f memtest86plus/memtest -n img/memtest -c lzma
	fi

	if [ "${payload_seabios}" = "y" ]; then
		if [ "${payload_seabios_withgrub}" = "n" ]; then
			tmpseabiosrom="$(make_seabios_rom "${corebootrom}" "fallback/payload" "${seabios_opromloadonly}" "${initmode}" "${cbfstool}")"
			if [ "${initmode}" = "normal" ]; then
				newrompath="${romdir}/seabios_${board}_${initmode}.rom"
			else
				newrompath="${romdir}/seabios_${board}_${initmode}_${displaymode}.rom"
			fi

			moverom "${tmpseabiosrom}" "${newrompath}" "${romtype}"
			rm -f "${tmpseabiosrom}"
		else
			tmprom=$(mktemp -t coreboot_rom.XXXXXXXXXX)
			cp "${corebootrom}" "${tmprom}"
			mkRomsWithGrub "${tmprom}" "${initmode}" "${displaymode}" "seabios_withgrub"
			cp "${corebootrom}" "${tmprom}"
			mkRomsWithGrub "${tmprom}" "${initmode}" "${displaymode}" "seabios_grubfirst"
			rm -f "${tmprom}"
		fi
	fi

	if [ "${payload_grub}" = "y" ]; then
		mkRomsWithGrub "${corebootrom}" "${initmode}" "${displaymode}" "grub"
	fi
}

initmode="libgfxinit"
for displaymode in corebootfb txtmode; do
	cbcfgpath="resources/coreboot/${board}/config/${initmode}_${displaymode}"
	mkRoms "${cbcfgpath}" "${displaymode}" "${initmode}"
done

initmode="vgarom"
for displaymode in vesafb txtmode; do	
	cbcfgpath="resources/coreboot/${board}/config/${initmode}_${displaymode}"
	mkRoms "${cbcfgpath}" "${displaymode}" "${initmode}"
done

initmode="normal"
displaymode="txtmode"
cbcfgpath="resources/coreboot/${board}/config/${initmode}"
mkRoms "${cbcfgpath}" "${displaymode}" "${initmode}"

(
cd "${cbdir}"
make distclean
)