-
Notifications
You must be signed in to change notification settings - Fork 65
/
gen_configkernel.sh
executable file
·1073 lines (942 loc) · 44.1 KB
/
gen_configkernel.sh
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
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/bin/bash
# $Id$
# Fills variable KERNEL_CONFIG
determine_kernel_config_file() {
print_info 2 "Checking for suitable kernel configuration ..."
if [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" != "default" ]
then
KERNEL_CONFIG=$(expand_file "${CMD_KERNEL_CONFIG}")
if [ -z "${KERNEL_CONFIG}" ]
then
gen_die "--kernel-config value '${CMD_KERNEL_CONFIG}' failed to expand!"
elif [ ! -e "${KERNEL_CONFIG}" ]
then
gen_die "--kernel-config file '${KERNEL_CONFIG}' does not exist!"
fi
local confgrep_cmd=$(get_grep_cmd_for_file "${KERNEL_CONFIG}")
if ! "${confgrep_cmd}" -qE '^CONFIG_.*=' "${KERNEL_CONFIG}" &>/dev/null
then
gen_die "--kernel-config file '${KERNEL_CONFIG}' does not look like a valid kernel config: File does not contain any CONFIG_* value!"
fi
else
local -a kconfig_candidates
local -a gk_kconfig_candidates
gk_kconfig_candidates+=( "${GK_SHARE}/arch/${ARCH}/kernel-config-${KV}" )
gk_kconfig_candidates+=( "${GK_SHARE}/arch/${ARCH}/kernel-config-${VER}.${PAT}" )
gk_kconfig_candidates+=( "${GK_SHARE}/arch/${ARCH}/generated-config" )
gk_kconfig_candidates+=( "${GK_SHARE}/arch/${ARCH}/kernel-config" )
gk_kconfig_candidates+=( "${DEFAULT_KERNEL_CONFIG}" )
if [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" = "default" ]
then
print_info 1 "Default configuration was forced. Will ignore any user kernel configuration!"
kconfig_candidates=( ${gk_kconfig_candidates[@]} )
else
local -a user_kconfig_candidates
# Always prefer kernel config based on set --kernel-config-filename
user_kconfig_candidates+=( "/etc/kernels/${GK_FILENAME_CONFIG}" )
if [ -n "${KERNEL_LOCALVERSION}" -a "${KERNEL_LOCALVERSION}" != "UNSET" ]
then
# Look for kernel config based on KERNEL_LOCALVERSION
# which we are going to use, too.
# This will allow user to copy previous kernel config file
# which includes LOV by default to new version when doing
# kernel upgrade since we add $ARCH to $LOV by default.
local user_kconfig="/etc/kernels/kernel-config-${VER}.${PAT}.${SUB}${EXV}${KERNEL_LOCALVERSION}"
# Don't check same file twice
if [[ "${user_kconfig_candidates[@]} " != *"${user_kconfig} "* ]]
then
user_kconfig_candidates+=( ${user_kconfig} )
fi
fi
# Look for genkernel-3.x configs for backward compatibility, too
user_kconfig_candidates+=( "/etc/kernels/kernel-config-${ARCH}-${KV}" )
kconfig_candidates=(
${user_kconfig_candidates[@]}
${gk_kconfig_candidates[@]}
)
fi
local f
for f in "${kconfig_candidates[@]}"
do
[ -z "${f}" ] && continue
if [ -f "${f}" ]
then
if grep -sq THIS_CONFIG_IS_BROKEN "${f}"
then
print_info 2 "$(get_indent 1)- '${f}' is marked as broken; Skipping ..."
else
KERNEL_CONFIG="${f}" && break
fi
else
print_info 2 "$(get_indent 1)- '${f}' not found; Skipping ..."
fi
done
if [ -z "${KERNEL_CONFIG}" ]
then
gen_die 'No kernel .config specified, or file not found!'
fi
fi
KERNEL_CONFIG="$(readlink -f "${KERNEL_CONFIG}")"
# Validate the symlink result if any
if [ -z "${KERNEL_CONFIG}" -o ! -f "${KERNEL_CONFIG}" ]
then
if [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" != "default" ]
then
error_msg="No kernel .config: File '${CMD_KERNEL_CONFIG}' not found! "
error_msg+="Check --kernel-config value or unset "
error_msg+="to use default kernel config provided by genkernel."
gen_die "${error_msg}"
else
gen_die "No kernel .config: symlinked file '${KERNEL_CONFIG}' not found!"
fi
fi
}
set_initramfs_compression_method() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
local kernel_config=${1}
local -a KNOWN_INITRAMFS_COMPRESSION_TYPES=()
KNOWN_INITRAMFS_COMPRESSION_TYPES+=( NONE )
KNOWN_INITRAMFS_COMPRESSION_TYPES+=( $(get_initramfs_compression_method_by_compression) )
if [[ "${COMPRESS_INITRD_TYPE}" =~ ^(BEST|FASTEST)$ ]]
then
print_info 5 "Determining '${COMPRESS_INITRD_TYPE}' compression method for initramfs using kernel config '${kernel_config}' ..."
local ranked_methods
if [[ "${COMPRESS_INITRD_TYPE}" == "BEST" ]]
then
ranked_methods=( $(get_initramfs_compression_method_by_compression) )
else
ranked_methods=( $(get_initramfs_compression_method_by_speed) )
fi
local ranked_method
for ranked_method in "${ranked_methods[@]}"
do
print_info 5 "Checking if we can use '${ranked_method}' compression ..."
# Do we have the user space tool?
local compression_tool=${GKICM_LOOKUP_TABLE_CMD[${ranked_method}]/%\ */}
if ! hash ${compression_tool} &>/dev/null
then
print_info 5 "Cannot use '${ranked_method}' compression, the tool '${compression_tool}' to compress initramfs was not found. Is ${GKICM_LOOKUP_TABLE_PKG[${ranked_method}]} installed?"
continue
fi
# Is the kernel able to decompress?
local koption="CONFIG_RD_${ranked_method}"
local value_koption=$(kconfig_get_opt "${kernel_config}" "${koption}")
if [[ "${value_koption}" != "y" ]]
then
print_info 5 "Cannot use '${ranked_method}' compression, kernel option '${koption}' is not set!"
continue
fi
print_info 5 "Will use '${ranked_method}' compression -- all requirements are met!"
COMPRESS_INITRD_TYPE=${ranked_method}
break
done
unset ranked_method ranked_methods koption value_koption
if [[ "${COMPRESS_INITRD_TYPE}" =~ ^(BEST|FASTEST)$ ]]
then
gen_die "None of the initramfs compression methods we tried are supported by your kernel (config file \"${kernel_config}\"), strange!?"
fi
fi
if ! isTrue "${BUILD_KERNEL}"
then
local cfg_DECOMPRESS_SUPPORT=$(kconfig_get_opt "${kernel_config}" "CONFIG_RD_${COMPRESS_INITRD_TYPE}")
if [[ "${cfg_DECOMPRESS_SUPPORT}" != "y" ]]
then
gen_die "The kernel config '${kernel_config}' this initramfs will be build for cannot decompress set --compress-initrd-type '${COMPRESS_INITRD_TYPE}'!"
fi
# If we are not building kernel, there is no point in
# changing kernel config file at all so exit function
# here.
return
fi
local KOPTION_PREFIX=CONFIG_RD_
[ ${KV_NUMERIC} -ge 4010 ] && KOPTION_PREFIX=CONFIG_INITRAMFS_COMPRESSION_
# CONFIG_INITRAMFS_<TYPE> options are only used when CONFIG_INITRAMFS_SOURCE
# is set. However, we cannot just check for INTEGRATED_INITRAMFS option here
# because on first run kernel will still get compiled without
# CONFIG_INITRAMFS_SOURCE set.
local has_initramfs_source=no
local cfg_CONFIG_INITRAMFS_SOURCE=$(kconfig_get_opt "${kernel_config}" "CONFIG_INITRAMFS_SOURCE")
[[ -n "${cfg_CONFIG_INITRAMFS_SOURCE}" && ${#cfg_CONFIG_INITRAMFS_SOURCE} -gt 2 ]] && has_initramfs_source=yes
local KNOWN_INITRAMFS_COMPRESSION_TYPE
local KOPTION_VALUE KOPTION_CURRENT_VALUE
for KNOWN_INITRAMFS_COMPRESSION_TYPE in "${KNOWN_INITRAMFS_COMPRESSION_TYPES[@]}"
do
KOPTION_VALUE=n
if [[ "${KNOWN_INITRAMFS_COMPRESSION_TYPE}" == "${COMPRESS_INITRD_TYPE}" ]]
then
KOPTION_VALUE=y
fi
if isTrue "${has_initramfs_source}"
then
KOPTION_CURRENT_VALUE=$(kconfig_get_opt "${kernel_config}" "${KOPTION_PREFIX}${KNOWN_INITRAMFS_COMPRESSION_TYPE}")
if [[ -n "${KOPTION_CURRENT_VALUE}" ]] \
&& [[ "${KOPTION_VALUE}" != "${KOPTION_CURRENT_VALUE}" ]]
then
# We have to ensure that only the initramfs compression
# we want to use is enabled or the last one listed in
# $KERNEL_DIR/usr/Makefile will be used
# However, no need to set =n value when option isn't set
# at all (this will save us one additional "make oldconfig"
# run due to changed kernel options).
kconfig_set_opt "${kernel_config}" "${KOPTION_PREFIX}${KNOWN_INITRAMFS_COMPRESSION_TYPE}" "${KOPTION_VALUE}"
fi
if [[ "${KOPTION_VALUE}" == "y" ]]
then
echo "${KOPTION_PREFIX}${KNOWN_INITRAMFS_COMPRESSION_TYPE}" >> "${KCONFIG_REQUIRED_OPTIONS}" \
|| gen_die "Failed to add '${KOPTION_PREFIX}${KNOWN_INITRAMFS_COMPRESSION_TYPE}' to '${KCONFIG_REQUIRED_OPTIONS}'!"
fi
fi
if [[ "${KOPTION_VALUE}" == "y" && "${KNOWN_INITRAMFS_COMPRESSION_TYPE}" != "NONE" ]]
then
# Make sure that the kernel can always decompress our initramfs
kconfig_set_opt "${kernel_config}" "CONFIG_RD_${KNOWN_INITRAMFS_COMPRESSION_TYPE}" "${KOPTION_VALUE}"
echo "CONFIG_RD_${KNOWN_INITRAMFS_COMPRESSION_TYPE}" >> "${KCONFIG_REQUIRED_OPTIONS}" \
|| gen_die "Failed to add 'CONFIG_RD_${KNOWN_INITRAMFS_COMPRESSION_TYPE}' to '${KCONFIG_REQUIRED_OPTIONS}'!"
fi
done
}
config_kernel() {
local diff_cmd="$(which zdiff 2>/dev/null)"
if [ -z "${diff_cmd}" ]
then
print_warning 5 "zdiff is not available."
diff_cmd="diff"
fi
cd "${KERNEL_DIR}" || gen_die "Failed to chdir to '${KERNEL_DIR}'!"
print_info 1 "kernel: >> Initializing ..."
if isTrue "${CLEAN}" && isTrue "${MRPROPER}"
then
print_info 2 "$(get_indent 1)>> --mrproper is set; Skipping 'make clean' ..."
elif isTrue "${CLEAN}" && ! isTrue "${MRPROPER}"
then
print_info 1 "$(get_indent 1)>> Running 'make clean' ..."
compile_generic clean kernel
else
print_info 1 "$(get_indent 1)>> --no-clean is set; Skipping 'make clean' ..."
fi
if isTrue "${MRPROPER}" || [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" = "default" ]
then
# Backup current kernel .config
if [ -f "${KERNEL_OUTPUTDIR}/.config" ]
then
# Current .config is different then one we are going to use
if [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" = "default" ] \
|| ! "${diff_cmd}" -q "${KERNEL_OUTPUTDIR}"/.config "${KERNEL_CONFIG}" >/dev/null
then
NOW=$(date +--%Y-%m-%d--%H-%M-%S)
cp "${KERNEL_OUTPUTDIR}/.config" "${KERNEL_OUTPUTDIR}/.config${NOW}.bak" \
|| gen_die "Could not backup kernel config (${KERNEL_OUTPUTDIR}/.config)"
print_info 1 "$(get_indent 1)>> Previous config backed up to .config${NOW}.bak"
if [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" = "default" ]
then
print_info 3 "$(get_indent 1)>> Default kernel config was forced; Deleting existing kernel config '${KERNEL_OUTPUTDIR}/.config' ..."
rm "${KERNEL_OUTPUTDIR}/.config" >/dev/null \
|| gen_die "Failed to delete '${KERNEL_OUTPUTDIR}/.config'!"
fi
fi
fi
fi
if isTrue "${MRPROPER}"
then
print_info 1 "$(get_indent 1)>> Running 'make mrproper' ..."
compile_generic mrproper kernel
else
print_info 1 "$(get_indent 1)>> --no-mrproper is set; Skipping 'make mrproper' ..."
fi
if [ ! -f "${KERNEL_OUTPUTDIR}/.config" ]
then
# We always need a kernel config file...
print_info 3 "$(get_indent 1)>> Copying '${KERNEL_CONFIG}' to '${KERNEL_OUTPUTDIR}/.config' ..."
local message="Failed to copy kernel config file '${KERNEL_CONFIG}' to '${KERNEL_OUTPUTDIR}/.config'!"
if isTrue "$(is_gzipped "${KERNEL_CONFIG}")"
then
# Support --kernel-config=/proc/config.gz, mainly
zcat "${KERNEL_CONFIG}" > "${KERNEL_OUTPUTDIR}/.config" || gen_die "${message}"
else
cp -aL "${KERNEL_CONFIG}" "${KERNEL_OUTPUTDIR}/.config" || gen_die "${message}"
fi
else
if ! "${diff_cmd}" -q "${KERNEL_OUTPUTDIR}"/.config "${KERNEL_CONFIG}" >/dev/null
then
print_warning 1 "$(get_indent 1)>> Will ignore kernel config from '${KERNEL_CONFIG}'"
print_warning 1 "$(get_indent 1) in favor of already existing but different kernel config"
print_warning 1 "$(get_indent 1) found in '${KERNEL_OUTPUTDIR}/.config' ..."
else
print_info 3 "$(get_indent 1)>> Can keep using already existing '${KERNEL_OUTPUTDIR}/.config' which is identical to --kernel-config file ..."
fi
fi
if isTrue "${OLDCONFIG}"
then
print_info 1 "$(get_indent 1)>> Running 'make oldconfig' ..."
yes '' 2>/dev/null | compile_generic oldconfig kernel 2>/dev/null
else
print_info 1 "$(get_indent 1)>> --no-oldconfig is set; Skipping 'make oldconfig' ..."
fi
local add_config
if isTrue "${MENUCONFIG}"
then
add_config=menuconfig
elif isTrue "${CMD_NCONFIG}"
then
add_config=nconfig
elif isTrue "${CMD_GCONFIG}"
then
add_config=gconfig
elif isTrue "${CMD_XCONFIG}"
then
add_config=xconfig
fi
if [ -n "${add_config}" ]
then
local kconfig_md5sum_old="$(md5sum < "${KERNEL_OUTPUTDIR}/.config")"
print_info 1 "$(get_indent 1)>> Invoking ${add_config} ..."
compile_generic ${add_config} kernelruntask
local kconfig_md5sum_new="$(md5sum < "${KERNEL_OUTPUTDIR}/.config")"
if [[ "${kconfig_md5sum_old}" == "${kconfig_md5sum_new}" ]]
then
print_warning 1 "$(get_indent 1)>> Kernel config was not modified!"
fi
unset kconfig_md5sum_old kconfig_md5sum_new
fi
# Check for suitable kmod
determine_KEXT
if ! isTrue "$(is_kext_supported_by_kmod "${KEXT}")"
then
gen_die "${KMOD_CMD} does not support chosen module compression algorithm. Please re-emerge sys-apps/kmod with USE=$(get_kext_kmod_use_flag "${KEXT}") enabled or adjust CONFIG_MODULE_COMPRESS_* kernel option!"
fi
local -a required_kernel_options
[ -f "${KCONFIG_MODIFIED_MARKER}" ] && rm "${KCONFIG_MODIFIED_MARKER}"
if isTrue "${BUILD_RAMDISK}"
then
# We really need this or we will fail to boot
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for genkernel's initramfs usage are set ..."
# Ensure kernel supports initramfs
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_INITRD" "y"
# Stuff required by init script
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MMU" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SHMEM" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_TMPFS" "y" \
&& required_kernel_options+=( 'CONFIG_TMPFS' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_TTY" "y" \
&& required_kernel_options+=( 'CONFIG_TTY' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_UNIX98_PTYS" "y" \
&& required_kernel_options+=( 'CONFIG_UNIX98_PTYS' )
# Make sure that CONFIG_INITRAMFS_SOURCE is unset so we don't clash
# with any other genkernel functionality.
local cfg_CONFIG_INITRAMFS_SOURCE=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INITRAMFS_SOURCE")
if [[ -n "${cfg_CONFIG_INITRAMFS_SOURCE}" && ${#cfg_CONFIG_INITRAMFS_SOURCE} -gt 2 ]]
then
# Checking value length to allow 'CONFIG_INITRAMFS_SOURCE=' and 'CONFIG_INITRAMFS_SOURCE=""'
print_info 2 "$(get_indent 1)>> CONFIG_INITRAMFS_SOURCE is set; Unsetting to avoid problems ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INITRAMFS_SOURCE" ""
fi
if isTrue "${COMPRESS_INITRD}"
then
set_initramfs_compression_method "${KERNEL_OUTPUTDIR}/.config"
fi
fi
# Force this on if we are using --genzimage
if isTrue "${CMD_GENZIMAGE}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for --genzimage are set ..."
# Make sure Ext2 support is on...
local cfg_CONFIG_EXT2_FS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_EXT2_FS")
if ! isTrue "${cfg_CONFIG_EXT2_FS}"
then
local cfg_CONFIG_EXT4_USE_FOR_EXT2=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_EXT4_USE_FOR_EXT2")
if ! isTrue "${cfg_CONFIG_EXT4_USE_FOR_EXT2}"
then
local cfg_CONFIG_EXT4_FS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_EXT4_FS")
if isTrue "${cfg_CONFIG_EXT4_FS}"
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_EXT4_USE_FOR_EXT2" "y" \
&& required_kernel_options+=( 'CONFIG_EXT4_USE_FOR_EXT2' )
else
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_EXT2_FS" "y" \
&& required_kernel_options+=( 'CONFIG_EXT2_FS' )
fi
fi
fi
fi
# --kernel-localversion handling
if [ -n "${KERNEL_LOCALVERSION}" ]
then
local cfg_CONFIG_LOCALVERSION=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_LOCALVERSION")
case "${KERNEL_LOCALVERSION}" in
UNSET)
print_info 2 "$(get_indent 1)>> Ensure that CONFIG_LOCALVERSION is unset ..."
if [ -n "${cfg_CONFIG_LOCALVERSION}" ]
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_LOCALVERSION" ""
fi
;;
*)
print_info 2 "$(get_indent 1)>> Ensure that CONFIG_LOCALVERSION is set ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_LOCALVERSION" "\"${KERNEL_LOCALVERSION}\""
;;
esac
fi
# Do we support modules at all?
local cfg_CONFIG_MODULES=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MODULES")
if isTrue "${cfg_CONFIG_MODULES}"
then
# yes, we support modules, set 'm' for new stuff.
local newcfg_setting='m'
# Compare the kernel module compression vs the depmod module compression support
# WARNING: if the buildhost has +XZ but the target machine has -XZ, you will get failures!
local cfg_CONFIG_MODULE_COMPRESS_GZIP=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MODULE_COMPRESS_GZIP")
local cfg_CONFIG_MODULE_COMPRESS_XZ=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MODULE_COMPRESS_XZ")
if isTrue "${cfg_CONFIG_MODULE_COMPRESS_GZIP}"
then
depmod_GZIP=$(/sbin/depmod -V | tr ' ' '\n' | awk '/ZLIB/{print $1; exit}')
if [[ "${depmod_GZIP}" != "+ZLIB" ]]
then
gen_die 'depmod does not support ZLIB/GZIP, cannot build with CONFIG_MODULE_COMPRESS_GZIP'
fi
elif isTrue "${cfg_CONFIG_MODULE_COMPRESS_XZ}"
then
depmod_XZ=$(/sbin/depmod -V | tr ' ' '\n' | awk '/XZ/{print $1; exit}')
if [[ "${depmod_XZ}" != "+XZ" ]]
then
gen_die 'depmod does not support XZ, cannot build with CONFIG_MODULE_COMPRESS_XZ'
fi
fi
else
# no, we do NOT support modules, set 'y' for new stuff.
newcfg_setting='y'
if ! isTrue "${BUILD_STATIC}"
then
local _no_modules_support_warning="$(get_indent 1)>> Forcing --static"
if isTrue "${BUILD_RAMDISK}" && isTrue "${RAMDISKMODULES}"
then
_no_modules_support_warning+=" and --no-ramdisk-modules"
RAMDISKMODULES="no"
fi
_no_modules_support_warning+=" to avoid genkernel failures because kernel does NOT support modules ..."
print_warning 1 "${_no_modules_support_warning}"
BUILD_STATIC="yes"
fi
fi
# If the user has configured DM as built-in, we need to respect that.
local cfg_CONFIG_BLK_DEV_DM=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM")
case "${cfg_CONFIG_BLK_DEV_DM}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_BLK_DEV_DM=${newcfg_setting}
esac
# Make sure all modules required bcache are enabled in the kernel, if --bcache
if isTrue "${CMD_BCACHE}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for bcache support are set ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BCACHE" "${newcfg_setting}" \
&& required_kernel_options+=( 'CONFIG_BCACHE' )
fi
# Make sure all modues required for MD raid are enabled in the kernel, if --mdadm
if isTrue "${CMD_MDADM}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for MDADM support are set ..."
local cfg_CONFIG_BLK_DEV_MD=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_MD")
case "${cfg_CONFIG_BLK_DEV_MD}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_BLK_DEV_MD=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_DM' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_MD" "${cfg_CONFIG_BLK_DEV_MD}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_MD' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD_LINEAR" "${cfg_CONFIG_BLK_DEV_MD}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD_RAID0" "${cfg_CONFIG_BLK_DEV_MD}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD_RAID1" "${cfg_CONFIG_BLK_DEV_MD}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD_RAID10" "${cfg_CONFIG_BLK_DEV_MD}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD_RAID456" "${cfg_CONFIG_BLK_DEV_MD}"
fi
# Make sure lvm modules are enabled in the kernel, if --lvm
if isTrue "${CMD_LVM}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for LVM support are set ..."
local cfg_CONFIG_DM_SNAPSHOT=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_SNAPSHOT")
case "${cfg_CONFIG_DM_SNAPSHOT}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_DM_SNAPSHOT=${newcfg_setting}
esac
local cfg_CONFIG_DM_MIRROR=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MIRROR")
case "${cfg_CONFIG_DM_MIRROR}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_DM_MIRROR=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_DM' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_SNAPSHOT" "${cfg_CONFIG_DM_SNAPSHOT}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MIRROR" "${cfg_CONFIG_DM_MIRROR}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FILE_LOCKING" "y" \
&& required_kernel_options+=( 'CONFIG_FILE_LOCKING' )
fi
# Make sure all modules required for cryptsetup/LUKS are enabled in the kernel, if --luks
if isTrue "${CMD_LUKS}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for LUKS support are set ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_DM' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_CRYPT" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_DM_CRYPT' )
local cfg_CONFIG_CRYPTO_AES=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_AES")
case "${cfg_CONFIG_CRYPTO_AES}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_CRYPTO_AES=${newcfg_setting}
esac
local cfg_CONFIG_CRYPTO_SERPENT=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT")
case "${cfg_CONFIG_CRYPTO_SERPENT}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_CRYPTO_SERPENT=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_XTS" "${cfg_CONFIG_CRYPTO_AES}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_XTS' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SHA256" "${cfg_CONFIG_CRYPTO_AES}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_SHA256' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_AES" "${cfg_CONFIG_CRYPTO_AES}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_AES' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT" "${cfg_CONFIG_CRYPTO_SERPENT}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_SERPENT' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_USER_API_HASH" "${cfg_CONFIG_CRYPTO_AES}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_USER_API_HASH' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_USER_API_SKCIPHER" "${cfg_CONFIG_CRYPTO_AES}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_USER_API_SKCIPHER' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_USER_API_AEAD" "${cfg_CONFIG_CRYPTO_AES}"
local cfg_CONFIG_X86=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_X86")
case "${cfg_CONFIG_X86}" in
y|m)
cfg_CONFIG_X86=yes
;;
*)
cfg_CONFIG_X86=no
;;
esac
local cfg_CONFIG_64BIT=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_64BIT")
case "${cfg_CONFIG_64BIT}" in
y|m)
cfg_CONFIG_64BIT=yes
;;
*)
cfg_CONFIG_64BIT=no
;;
esac
if isTrue "${cfg_CONFIG_X86}"
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_AES_NI_INTEL" "${cfg_CONFIG_CRYPTO_AES}"
if isTrue "${cfg_CONFIG_64BIT}"
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SHA1_SSSE3" "${cfg_CONFIG_CRYPTO_AES}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SHA256_SSSE3" "${cfg_CONFIG_CRYPTO_AES}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT_SSE2_X86_64" "${cfg_CONFIG_CRYPTO_SERPENT}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT_AVX_X86_64" "${cfg_CONFIG_CRYPTO_SERPENT}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT_AVX2_X86_64" "${cfg_CONFIG_CRYPTO_SERPENT}"
if [ ${KV_NUMERIC} -lt 5004 ]
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_AES_X86_64" "${cfg_CONFIG_CRYPTO_AES}"
fi
else
if [ ${KV_NUMERIC} -lt 5004 ]
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_AES_586" "${cfg_CONFIG_CRYPTO_AES}"
fi
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT_SSE2_586" "${cfg_CONFIG_CRYPTO_SERPENT}"
fi
fi
fi
# Make sure multipath modules are enabled in the kernel, if --multipath
if isTrue "${CMD_MULTIPATH}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for multipath support are set ..."
local cfg_CONFIG_DM_MULTIPATH=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MULTIPATH")
case "${cfg_CONFIG_DM_MULTIPATH}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_DM_MULTIPATH=${newcfg_setting}
esac
local cfg_CONFIG_DM_MULTIPATH_RDAC=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MULTIPATH_RDAC")
case "${cfg_CONFIG_DM_MULTIPATH_RDAC}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_DM_MULTIPATH_RDAC=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_DM' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MULTIPATH" "${cfg_CONFIG_DM_MULTIPATH}" \
&& required_kernel_options+=( 'CONFIG_DM_MULTIPATH' )
fi
# Make sure dmraid modules are enabled in the kernel, if --dmraid
if isTrue "${CMD_DMRAID}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for DMRAID support are set ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_DM' )
fi
# Make sure iSCSI modules are enabled in the kernel, if --iscsi
if isTrue "${CMD_ISCSI}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for iSCSI support are set ..."
local cfg_CONFIG_ISCSI_BOOT_SYSFS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ISCSI_BOOT_SYSFS")
case "${cfg_CONFIG_ISCSI_BOOT_SYSFS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_ISCSI_BOOT_SYSFS=${newcfg_setting}
esac
local cfg_CONFIG_ISCSI_TCP=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ISCSI_TCP")
case "${cfg_CONFIG_ISCSI_TCP}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_ISCSI_TCP=${newcfg_setting}
esac
local cfg_CONFIG_SCSI_ISCSI_ATTRS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_ISCSI_ATTRS")
case "${cfg_CONFIG_SCSI_ISCSI_ATTRS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SCSI_ISCSI_ATTRS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INET" "y"
local cfg_CONFIG_SCSI=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI")
case "${cfg_CONFIG_SCSI}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SCSI=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI" "${cfg_CONFIG_SCSI}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_LOWLEVEL" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ISCSI_BOOT_SYSFS" "${cfg_CONFIG_ISCSI_BOOT_SYSFS}" \
&& required_kernel_options+=( 'CONFIG_ISCSI_BOOT_SYSFS' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ISCSI_TCP" "${cfg_CONFIG_ISCSI_TCP}" \
&& required_kernel_options+=( 'CONFIG_ISCSI_TCP' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_ISCSI_ATTRS" "${cfg_CONFIG_SCSI_ISCSI_ATTRS}" \
&& required_kernel_options+=( 'CONFIG_SCSI_ISCSI_ATTRS' )
fi
# Make sure Hyper-V modules are enabled in the kernel, if --hyperv
if isTrue "${CMD_HYPERV}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for Hyper-V support are set ..."
# Hyper-V deps
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_X86" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PCI" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ACPI" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_X86_LOCAL_APIC" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERVISOR_GUEST" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET" "y"
local cfg_CONFIG_CONNECTOR=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CONNECTOR")
case "${cfg_CONFIG_CONNECTOR}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_CONNECTOR=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CONNECTOR" "${cfg_CONFIG_CONNECTOR}"
local cfg_CONFIG_NLS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NLS")
case "${cfg_CONFIG_NLS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_NLS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NLS" "${cfg_CONFIG_NLS}"
local cfg_CONFIG_SCSI=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI")
case "${cfg_CONFIG_SCSI}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SCSI=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI" "${cfg_CONFIG_SCSI}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_LOWLEVEL" "y"
local cfg_CONFIG_SCSI_FC_ATTRS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_FC_ATTRS")
case "${cfg_CONFIG_SCSI_FC_ATTRS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SCSI_FC_ATTRS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_FC_ATTRS" "${cfg_CONFIG_SCSI_FC_ATTRS}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NETDEVICES" "y"
local cfg_CONFIG_SERIO=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SERIO")
case "${cfg_CONFIG_SERIO}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SERIO=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SERIO" "${cfg_CONFIG_SERIO}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PCI_MSI" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PCI_MSI_IRQ_DOMAIN" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_X86_64" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HAS_IOMEM" "y"
local cfg_CONFIG_FB=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB")
case "${cfg_CONFIG_FB}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_FB=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB" "${cfg_CONFIG_FB}"
local cfg_CONFIG_INPUT=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INPUT")
case "${cfg_CONFIG_INPUT}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_INPUT=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INPUT" "${cfg_CONFIG_INPUT}"
local cfg_CONFIG_HID=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HID")
case "${cfg_CONFIG_HID}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_HID=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HID" "${cfg_CONFIG_HID}"
local cfg_CONFIG_UIO=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_UIO")
case "${cfg_CONFIG_UIO}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_UIO=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_UIO" "${cfg_CONFIG_UIO}"
# Hyper-V modules, activate in order!
local cfg_CONFIG_HYPERV=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV")
case "${cfg_CONFIG_HYPERV}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_HYPERV=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV" "${cfg_CONFIG_HYPERV}" \
&& required_kernel_options+=( 'CONFIG_HYPERV' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_UTILS" "${cfg_CONFIG_HYPERV}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_BALLOON" "${cfg_CONFIG_HYPERV}" \
&& required_kernel_options+=( 'CONFIG_HYPERV_BALLOON' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_STORAGE" "${cfg_CONFIG_HYPERV}" \
&& required_kernel_options+=( 'CONFIG_HYPERV_STORAGE' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_NET" "${cfg_CONFIG_HYPERV}" \
&& required_kernel_options+=( 'CONFIG_HYPERV_NET' )
if [ ${KV_NUMERIC} -ge 4014 ]
then
local cfg_CONFIG_VSOCKETS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VSOCKETS")
case "${cfg_CONFIG_VSOCKETS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_VSOCKETS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VSOCKETS" "${cfg_CONFIG_VSOCKETS}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_VSOCKETS" "${cfg_CONFIG_HYPERV}"
fi
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_KEYBOARD" "${cfg_CONFIG_HYPERV}"
[ ${KV_NUMERIC} -ge 4006 ] &&
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PCI_HYPERV" "${cfg_CONFIG_HYPERV}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB_HYPERV" "${cfg_CONFIG_HYPERV}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HID_HYPERV_MOUSE" "${cfg_CONFIG_HYPERV}"
[ ${KV_NUMERIC} -ge 4010 ] &&
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_UIO_HV_GENERIC" "${cfg_CONFIG_HYPERV}"
[ ${KV_NUMERIC} -ge 4012 ] &&
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_TSCPAGE" "y"
fi
# Make sure kernel supports Splash, if --splash
if isTrue "${SPLASH}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for Splash support are set ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB_SPLASH" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VT" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_TTY" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FRAMEBUFFER_CONSOLE" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB_CON_DECOR" "y"
fi
# Make sure VirtIO modules are enabled in the kernel, if --virtio
if isTrue "${CMD_VIRTIO}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for VirtIO support are set ..."
# VirtIO deps
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_HW" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MMU" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PCI" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NETDEVICES" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET_CORE" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HAS_IOMEM" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HAS_DMA" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_TTY" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PARAVIRT_GUEST" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SYSFS" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HAS_IOPORT_MAP" "y"
local cfg_CONFIG_SCSI=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI")
case "${cfg_CONFIG_SCSI}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SCSI=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI" "${cfg_CONFIG_SCSI}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_LOWLEVEL" "y"
local cfg_CONFIG_DRM=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DRM")
case "${cfg_CONFIG_DRM}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_DRM=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DRM" "${cfg_CONFIG_DRM}"
local cfg_CONFIG_HW_RANDOM=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HW_RANDOM")
case "${cfg_CONFIG_HW_RANDOM}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_HW_RANDOM=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HW_RANDOM" "${cfg_CONFIG_HW_RANDOM}"
local cfg_CONFIG_INPUT=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INPUT")
case "${cfg_CONFIG_INPUT}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_INPUT=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INPUT" "${cfg_CONFIG_INPUT}"
local cfg_CONFIG_VHOST_NET=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VHOST_NET")
case "${cfg_CONFIG_VHOST_NET}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_VHOST_NET=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VHOST_NET" "${cfg_CONFIG_VHOST_NET}"
if [ ${KV_NUMERIC} -ge 4006 ]
then
local cfg_CONFIG_FW_CFG_SYSFS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FW_CFG_SYSFS")
case "${cfg_CONFIG_FW_CFG_SYSFS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_FW_CFG_SYSFS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FW_CFG_SYSFS" "${cfg_CONFIG_FW_CFG_SYSFS}"
fi
local cfg_CONFIG_VIRTIO=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO")
local cfg_CONFIG_SCSI_VIRTIO=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_VIRTIO")
local cfg_CONFIG_VIRTIO_BLK=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_BLK")
local cfg_CONFIG_VIRTIO_NET=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_NET")
local cfg_CONFIG_VIRTIO_PCI=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_PCI")
if \
isTrue "${cfg_CONFIG_VIRTIO}" || \
isTrue "${cfg_CONFIG_SCSI_VIRTIO}" || \
isTrue "${cfg_CONFIG_VIRTIO_BLK}" || \
isTrue "${cfg_CONFIG_VIRTIO_NET}" || \
isTrue "${cfg_CONFIG_VIRTIO_PCI}"
then
# If the user has configured VirtIO as built-in, we need to respect that.
local newvirtio_setting="y"
else
local newvirtio_setting=${newcfg_setting}
fi
# VirtIO modules, activate in order!
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO" "${newvirtio_setting}" \
&& required_kernel_options+=( 'CONFIG_VIRTIO' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_MENU" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_VIRTIO" "${newvirtio_setting}" \
&& required_kernel_options+=( 'CONFIG_SCSI_VIRTIO' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_BLK" "${newvirtio_setting}" \
&& required_kernel_options+=( 'CONFIG_VIRTIO_BLK' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_NET" "${newvirtio_setting}" \
&& required_kernel_options+=( 'CONFIG_VIRTIO_NET' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_PCI" "${newvirtio_setting}"
if [ ${KV_NUMERIC} -ge 4011 ]
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_BLK_SCSI" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_MQ_VIRTIO" "y"
fi
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_BALLOON" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_CONSOLE" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_INPUT" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DRM_VIRTIO_GPU" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HW_RANDOM_VIRTIO" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_MMIO" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET_9P" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET_9P_VIRTIO" "${newvirtio_setting}"
if [ ${KV_NUMERIC} -ge 4008 ]
then
local cfg_CONFIG_VSOCKETS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VSOCKETS")
case "${cfg_CONFIG_VSOCKETS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_VSOCKETS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VSOCKETS" "${cfg_CONFIG_VSOCKETS}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_VSOCKETS" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_VSOCKETS_COMMON" "${newvirtio_setting}"
fi
[ ${KV_NUMERIC} -ge 4010 ] &&
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_DEV_VIRTIO" "${newvirtio_setting}"
if [ ${KV_NUMERIC} -ge 5004 ]
then
local cfg_CONFIG_FUSE_FS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FUSE_FS")
case "${cfg_CONFIG_FUSE_FS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_FUSE_FS=${newvirtio_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FUSE_FS" "${cfg_CONFIG_FUSE_FS}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_FS" "${cfg_CONFIG_FUSE_FS}"
fi
fi
# Microcode setting, intended for early microcode loading, if --microcode
if [[ -n "${MICROCODE}" ]]
then
if isTrue "${KERNEL_SUPPORT_MICROCODE}"
then
local -a kconfigs_microcode
local -a kconfigs_microcode_amd
local -a kconfigs_microcode_intel
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for early microcode loading support are set ..."
kconfigs_microcode+=( 'CONFIG_MICROCODE' )
[ ${KV_NUMERIC} -le 4003 ] && kconfigs_microcode+=( 'CONFIG_MICROCODE_OLD_INTERFACE' )
[ ${KV_NUMERIC} -le 4003 ] && kconfigs_microcode+=( 'CONFIG_MICROCODE_EARLY' )
# Intel