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modified post 28f by Anonymous on Thu 10th Mar 2022 12:23
original post f84c4b8d by Anonymous on Thu 10th Mar 2022 11:51
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#!/usr/bin/ksh93

1	1		#!/usr/bin/ksh93
2	2
3	3		#
4	4		# Build Debian RT kernel from source,
5	5		# and retain the kernel build including source and *.o
6	6		# files so we can build custom kernel modules from
7	7		# that
8	8		#
9	9
10		-	set -o xtrace
	10	+	compound bconfig=(
11		-	set -o errexit
	11	+	# config
	12	+	typeset kernel_maj_min='5.10'
12	13
13		-	integer num_cpus=$(getconf '_NPROCESSORS_CONF')
	14	+	# calculated values
	15	+	typeset kernel_build_path
14	17
15		-	# mkdir try5 && cd try5/
	18	+	function build_debian_kernel_from_src
	19	+	{
16	23
17		-	tar xf /usr/src/linux-source-5.10.tar.xz
	24	+	integer res
	25	+	integer num_cpus=$(getconf '_NPROCESSORS_CONF')
18	26
19		-	cd linux-source-5.10
	27	+	tar xf "/usr/src/linux-source-${bconfig.kernel_maj_min}.tar.xz"
20	28
21		-	unxz </usr/src/linux-patch-5.10-rt.patch.xz \| patch -p1
	29	+	cd "linux-source-${bconfig.kernel_maj_min}"
22	30
23		-	cp /usr/src/linux-config-5.10/config.amd64_rt_amd64.xz .
	31	+	unxz <"/usr/src/linux-patch-${bconfig.kernel_maj_min}-rt.patch.xz" \| patch -p1
25	32
	33	+	cp "/usr/src/linux-config-${bconfig.kernel_maj_min}/config.amd64_rt_amd64.xz" .
26	36		# copy config and make kernel build accept it without
27	37		# jumping to the $ make menu # menu
28		-	cp config.amd64_rt_amd64 .config
	38	+	cp 'config.amd64_rt_amd64' '.config'
29	39		make oldconfig <'/dev/null'
30	40
	41	+	# show any modifications $ make oldconfig # did to the kernel config
32	45
	46	+	make clean
33	47		time nice -n 19 make -j$((num_cpus*2)) deb-pkg 2>&1 \| tee -a buildlog.log
	48	+	(( res=$? ))
34	49
35		-	print '#### Finished!!'
	50	+	printf '#### Finished, return code = %d\n' res
37	51
38		-
	52	+	if (( res == 0 )) ; then
39		-
	53	+	# remember the path to the kernel build, but only if we were successful
40		-
	54	+	bconfig.kernel_build_path="$PWD"
41		-
	55	+	fi
42	56
43		-
	57	+	return $res
44		-
	58	+	}
45	59
46		-
	60	+	function build_simatic_kernel_modules
47		-
	61	+	{
48		-
	62	+	set -o xtrace
49		-
	63	+	set -o errexit
50		-
	64	+	set -o nounset
51	65
52		-
	66	+	cd "${bconfig.kernel_build_path}"
53	67
54		-
	68	+	# dummy for now
55		-
	69	+	#simatic-ipc-modules-lsp-v1.2.0RC1$ make -C /home/test001/work/kernel_test001/linux-5.10.52/ M=$PWD
56		-
	70	+	return 1
57		-
	71	+	}
58	72
59	73
60		-
	74	+	function build_igb_avb_kernel_module
61		-
	75	+	{
62		-
	76	+	set -o xtrace
63		-
	77	+	set -o errexit
64		-
	78	+	set -o nounset
65	79
66		-
	80	+	cd "${bconfig.kernel_build_path}"
67	81
68		-
	82	+	# dummy for now
69	83
70		-
	84	+	return 1
71		-
	85	+	}
72	86
73		-
	87	+	function main
74		-
	88	+	{
75		-
	89	+	set -o xtrace
76		-
	90	+	set -o errexit
77	91
78		-
	92	+	build_debian_kernel_from_src
79		-
	93	+	build_simatic_kernel_modules
80		-
	94	+	build_igb_avb_kernel_module
81		-
	95	+	}
82	96
83		-
	97	+	#
84		-
	98	+	# main
85		-
	99	+	#
86		-
	100	+	builtin getconf
87	101
88		-
	102	+	main "$@"
89	103
90		-
	104	+	# EOF.
91	105