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modified post f502a9 by Anonymous on Wed 16th Mar 2022 14:30
original post 176d4285f by Anonymous on Wed 16th Mar 2022 14:18
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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	10	compound bconfig=(
11	11	# config
12	12	typeset kernel_maj_min='5.10'
13	13
14	14	# calculated values
15	15	typeset kernel_build_path
16	16	)
17	17
18	18	function build_debian_kernel_from_src
19	19	{
20	20	set -o xtrace
21	21	set -o errexit
22	22	set -o nounset
23	23
24	24	integer res
25	25	integer num_cpus=$(getconf '_NPROCESSORS_CONF')
26	26
27	27	tar xf "/usr/src/linux-source-${bconfig.kernel_maj_min}.tar.xz"
28	28
29	29	cd "linux-source-${bconfig.kernel_maj_min}"
30	30
31	31	unxz <"/usr/src/linux-patch-${bconfig.kernel_maj_min}-rt.patch.xz" \| patch -p1
32	32
33	33	cp "/usr/src/linux-config-${bconfig.kernel_maj_min}/config.amd64_rt_amd64.xz" .
34	34	unxz 'config.amd64_rt_amd64.xz'
35	35
36	36	# copy config and make kernel build accept it without
37	37	# jumping to the $ make menu # menu
38	38	cp 'config.amd64_rt_amd64' '.config'
39	39	make oldconfig <'/dev/null'
40	40
41	41	# show any modifications $ make oldconfig # did to the kernel config
42	42	print '--------------------------------------'
43	43	diff -u 'config.amd64_rt_amd64' '.config' \|\| true
44	44	print '--------------------------------------'
45	45
46	46	make clean
47	47	time nice -n 19 make -j$((num_cpus*2)) deb-pkg 2>&1 \| tee -a buildlog.log
48	48	(( res=$? ))
49	49
50	50	printf '#### Finished, return code = %d\n' res
51	51
52	52	if (( res == 0 )) ; then
53	53	# remember the path to the kernel build, but only if we were successful
54	54	bconfig.kernel_build_path="$PWD"
55	55	fi
56	56
57	57	return $res
58	58	}
59	59
60	60	function build_simatic_kernel_modules
61	61	{
62	62	set -o xtrace
63	63	set -o errexit
64	64	set -o nounset
65	65
66	66	# dummy for now
67	67	#simatic-ipc-modules-lsp-v1.2.0RC1$ make -C /home/test001/work/kernel_test001/linux-5.10.52/ M=$PWD
68	68
69	69	rm -Rf simatic_build
70	70	mkdir simatic_build
71	71	cd simatic_build
72	72
73	73	cp /home/test001/work/dev_current/dev026/elbe/simatickernelmodules/rovema_simatickernelmodules_git20220304_001.bundle .
74	74	git clone rovema_simatickernelmodules_git20220304_001.bundle
75	75
76	76	cd rovema_simatickernelmodules_git20220304_001/simatic-ipc-modules-lsp-v1.2.0RC1/
77	77	typeset kernel_build_path="$PWD/../../../linux-source-${bconfig.kernel_maj_min}"
78	78	make -C ${kernel_build_path} KSRC="${kernel_build_path}" M=$PWD
79	79
80	80	#
81	81	# ToDo: Install in root/ dir, and turn that filesystem hieracy into a
82	82	# Debian package
83	83	#
84	84
85	85	return 1
86	86	}
87	87
88	88
89	89	function build_igb_avb_kernel_module
90	90	{
91	91	set -o xtrace
92	92	set -o errexit
93	93	set -o nounset
94	94
95	95	rm -Rf igb_avb_build
96	96	mkdir igb_avb_build
97	97	cd igb_avb_build
98	98
99	99	cp /home/test001/work/dev_current/dev026/elbe/igb_avb/rovema_igb_avb_git20220302_001.bundle .
100	100	git clone rovema_igb_avb_git20220302_001.bundle
101	101
102	102	cd rovema_igb_avb_git20220302_001/kmod
103	103	typeset kernel_build_path="$PWD/../../../linux-source-${bconfig.kernel_maj_min}"
104	104	make -C ${kernel_build_path} KSRC="${kernel_build_path}" M=$PWD clean
105	105	make -C ${kernel_build_path} KSRC="${kernel_build_path}" M=$PWD
106	106
107	107
108	108	cd ../lib
109	109	make
110	110
111	111	#
112	112	# ToDo: Install in root/ dir, and turn that filesystem hieracy into a
113	113	# Debian package
114	114	#
115	115
116	116	# dummy for now
117	117
118	118	return 1
119	119	}
120	120
121	121	function main
122	122	{
123	123	set -o xtrace
124	124	set -o errexit
125	125
126	126	# build_debian_kernel_from_src
127	127	build_simatic_kernel_modules
128	128	# build_igb_avb_kernel_module
129	129	}
130	130
131	131	#
132	132	# main
133	133	#
134	134	builtin getconf
135	135
136	136	main "$@"
137	137
138	138	# EOF.
139	139