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modified post d3f422 by Anonymous on Tue 22nd Mar 2022 09:13
original post f502a9 by Anonymous on Wed 16th Mar 2022 14:30
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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	+	typeset igb_avb_src_gitbundle='/home/test001/work/dev_current/dev026/elbe/igb_avb/rovema_igb_avb_git20220302_001.bundle'
13	15
14	16		# calculated values
15	17		typeset kernel_build_path
16	18		)
17	19
18	20		function build_debian_kernel_from_src
19	21		{
20	22		set -o xtrace
21	23		set -o errexit
22	24		set -o nounset
23	25
24	26		integer res
25	27		integer num_cpus=$(getconf '_NPROCESSORS_CONF')
26	28
27	29		tar xf "/usr/src/linux-source-${bconfig.kernel_maj_min}.tar.xz"
28	30
29	31		cd "linux-source-${bconfig.kernel_maj_min}"
30	32
31	33		unxz <"/usr/src/linux-patch-${bconfig.kernel_maj_min}-rt.patch.xz" \| patch -p1
32	34
33	35		cp "/usr/src/linux-config-${bconfig.kernel_maj_min}/config.amd64_rt_amd64.xz" .
34	36		unxz 'config.amd64_rt_amd64.xz'
35	37
36	38		# copy config and make kernel build accept it without
37	39		# jumping to the $ make menu # menu
38	40		cp 'config.amd64_rt_amd64' '.config'
39	41		make oldconfig <'/dev/null'
40	42
41	43		# show any modifications $ make oldconfig # did to the kernel config
42	44		print '--------------------------------------'
43	45		diff -u 'config.amd64_rt_amd64' '.config' \|\| true
44	46		print '--------------------------------------'
45	47
46	48		make clean
47	49		time nice -n 19 make -j$((num_cpus*2)) deb-pkg 2>&1 \| tee -a buildlog.log
48	50		(( res=$? ))
49	51
50	52		printf '#### Finished, return code = %d\n' res
51	53
52	54		if (( res == 0 )) ; then
53	55		# remember the path to the kernel build, but only if we were successful
54	56		bconfig.kernel_build_path="$PWD"
55	57		fi
56	58
57	59		return $res
58	60		}
59	61
60	62		function build_simatic_kernel_modules
61	63		{
62	64		set -o xtrace
63	65		set -o errexit
64	66		set -o nounset
65	67
66	68		# dummy for now
67	69		#simatic-ipc-modules-lsp-v1.2.0RC1$ make -C /home/test001/work/kernel_test001/linux-5.10.52/ M=$PWD
68	70
69	71		rm -Rf simatic_build
70	72		mkdir simatic_build
71	73		cd simatic_build
72	74
73		-	cp /home/test001/work/dev_current/dev026/elbe/simatickernelmodules/rovema_simatickernelmodules_git20220304_001.bundle .
	75	+	cp "${bconfig.simatic_src_gitbundle}" .
74	76		git clone rovema_simatickernelmodules_git20220304_001.bundle
75	77
76	78		cd rovema_simatickernelmodules_git20220304_001/simatic-ipc-modules-lsp-v1.2.0RC1/
77	79		typeset kernel_build_path="$PWD/../../../linux-source-${bconfig.kernel_maj_min}"
78	80		make -C ${kernel_build_path} KSRC="${kernel_build_path}" M=$PWD
79	81
80	82		#
81	83		# ToDo: Install in root/ dir, and turn that filesystem hieracy into a
82	84		# Debian package
83	85		#
84	86
85	87		return 1
86	88		}
87	89
88	90
89	91		function build_igb_avb_kernel_module
90	92		{
91	93		set -o xtrace
92	94		set -o errexit
93	95		set -o nounset
94	96
95	97		rm -Rf igb_avb_build
96	98		mkdir igb_avb_build
97	99		cd igb_avb_build
98	100
99		-	cp /home/test001/work/dev_current/dev026/elbe/igb_avb/rovema_igb_avb_git20220302_001.bundle .
	101	+	cp "${bconfig.igb_avb_src_gitbundle}" .
100	102		git clone rovema_igb_avb_git20220302_001.bundle
101	103
102	104		cd rovema_igb_avb_git20220302_001/kmod
103		-	typeset kernel_build_path="$PWD/../../../linux-source-${bconfig.kernel_maj_min}"
	105	+	typeset kernel_build_path="$PWD/../../../../../../linux-source-${bconfig.kernel_maj_min}"
104	106		make -C ${kernel_build_path} KSRC="${kernel_build_path}" M=$PWD clean
105	107		make -C ${kernel_build_path} KSRC="${kernel_build_path}" M=$PWD
106	108
107	109
108	110		cd ../lib
109	111		make
110	112
111	113		#
112	114		# ToDo: Install in root/ dir, and turn that filesystem hieracy into a
113	115		# Debian package
114	116		#
115	117
116	118		# dummy for now
117	119
118	120		return 1
119	121		}
120	122
121	123		function main
122	124		{
123	125		set -o xtrace
124	126		set -o errexit
125	127
126	128		# build_debian_kernel_from_src
127		-	build_simatic_kernel_modules
	129	+	build_simatic_kernel_modules \|\| true
128		-	# build_igb_avb_kernel_module
	130	+	build_igb_avb_kernel_module
129	131		}
130	132
131	133		#
132	134		# main
133	135		#
134	136		builtin getconf
135	137
136	138		main "$@"
137	139
138	140		# EOF.
139	141