Difference between
modified post 4bec58 by Anonymous on Fri 11th Mar 2022 09:29
original post 28f by Anonymous on Thu 10th Mar 2022 12:23
Download diff
Show old version | new version | both versions

#!/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		-	diff -u 'config.amd64_rt_amd64' '.config'
	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 $res
58	58		}
59	59
60	60		function build_simatic_kernel_modules
61	61		{
62	62		set -o xtrace
63	63		set -o errexit
64	64		set -o nounset
65	65
66	66		cd "${bconfig.kernel_build_path}"
67	67
68	68		# dummy for now
69	69		#simatic-ipc-modules-lsp-v1.2.0RC1$ make -C /home/test001/work/kernel_test001/linux-5.10.52/ M=$PWD
70	70		return 1
71	71		}
72	72
73	73
74	74		function build_igb_avb_kernel_module
75	75		{
76	76		set -o xtrace
77	77		set -o errexit
78	78		set -o nounset
79	79
80	80		cd "${bconfig.kernel_build_path}"
81	81
82	82		# dummy for now
83	83
84	84		return 1
85	85		}
86	86
87	87		function main
88	88		{
89	89		set -o xtrace
90	90		set -o errexit
91	91
92	92		build_debian_kernel_from_src
93	93		build_simatic_kernel_modules
94	94		build_igb_avb_kernel_module
95	95		}
96	96
97	97		#
98	98		# main
99	99		#
100	100		builtin getconf
101	101
102	102		main "$@"
103	103
104	104		# EOF.
105	105