Contents of /trunk/virtualbox/virtualbox-config.sh
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Wed Jan 30 13:41:46 2013 UTC (11 years, 9 months ago) by niro
File MIME type: application/x-sh
File size: 5599 byte(s)
Wed Jan 30 13:41:46 2013 UTC (11 years, 9 months ago) by niro
File MIME type: application/x-sh
File size: 5599 byte(s)
-use internal bash function type instead of which to reduce runtime-dependencies
1 | #!/bin/bash |
2 | # $Id$ |
3 | # Configures virtualbox for Magellan-Linux |
4 | |
5 | # get INSTALL_DIR location |
6 | source /etc/vbox/vbox.cfg |
7 | |
8 | VBOXVERSION="$(< ${INSTALL_DIR}/version)" |
9 | VBOXMODEXT=ko |
10 | VBOXMODULE=vboxdrv |
11 | VBOXNETMODULE=vboxnetflt |
12 | VBOXNETADPMODULE=vboxnetadp |
13 | VBOXPCIMODULE=vboxpci |
14 | KERNELMODULES=( "${VBOXMODULE}" "${VBOXNETMODULE}" "${VBOXNETADPMODULE}" "${VBOXPCIMODULE}" ) |
15 | |
16 | COLRED="\033[1;6m\033[31m" |
17 | COLGREEN="\033[1;6m\033[32m" |
18 | COLDEFAULT="\033[0m" |
19 | |
20 | if [[ ${NOCOLORS} = true ]] |
21 | then |
22 | COLRED="" |
23 | COLGREEN="" |
24 | COLDEFAULT="" |
25 | fi |
26 | |
27 | die() { echo -e "${COLRED}$@${COLDEFAULT}"; exit 1; } |
28 | mecho() { echo -e "${COLGREEN}$@${COLDEFAULT}"; } |
29 | usage() |
30 | { |
31 | echo "Usage: $(basename $0 .sh) [opts]" |
32 | echo "Options are:" |
33 | echo " --kernel-version - build modules for given kernel version not current" |
34 | echo " --kernel-sources - use kernel sources different from default path" |
35 | echo " --force - force a rebuild of the kernel modules even if they exist" |
36 | echo " --verbose - be verbose while building the modules" |
37 | echo " --help - show this help" |
38 | exit |
39 | } |
40 | |
41 | # must be root |
42 | [[ $(id -u) != 0 ]] && die "You must be r00t!" |
43 | |
44 | # check for given argvs |
45 | for i in $* |
46 | do |
47 | case $1 in |
48 | --kernel-version) shift; KERNEL_VERSION="$1" ;; |
49 | --kernel-sources) shift; KERNEL_SOURCES="$1" ;; |
50 | --force) FORCED_REBUILD="1" ;; |
51 | --verbose) VERBOSE="1" ;; |
52 | --help) usage ;; |
53 | esac |
54 | shift |
55 | done |
56 | |
57 | # some sane defaults |
58 | [[ -z ${KERNEL_VERSION} ]] && KERNEL_VERSION="$(uname -r)" |
59 | [[ -z ${KERNEL_SOURCES} ]] && KERNEL_SOURCES="/lib/modules/${KERNEL_VERSION}/source" |
60 | [[ -z ${FORCED_REBUILD} ]] && FORCED_REBUILD="0" |
61 | [[ -z ${VERBOSE} ]] && VERBOSE="0" |
62 | [[ ${VERBOSE} = 0 ]] && makequiet="-s" |
63 | |
64 | mecho "Running $(basename $0) for kernelversion ${KERNEL_VERSION} ..." |
65 | |
66 | # check module version and recompile if it doesen't fit else break here |
67 | compile="yes" |
68 | for module in ${KERNELMODULES[*]} |
69 | do |
70 | if [[ -f /lib/modules/${KERNEL_VERSION}/misc/${module}.${VBOXMODEXT} ]] |
71 | then |
72 | myver=$(modinfo -k ${KERNEL_VERSION} -F version ${module} | sed "s:\(.*\)_.*:\1:") |
73 | if [[ ${VBOXVERSION} = ${myver} ]] && [[ ${FORCED_REBUILD} = 0 ]] |
74 | then |
75 | compile="no" |
76 | fi |
77 | fi |
78 | done |
79 | |
80 | # try to unload the modules in reverse order to honor dependencies |
81 | count=${#KERNELMODULES[*]} |
82 | for (( i=count-1; i>=0; i-- )) |
83 | do |
84 | if [[ -f /lib/modules/${KERNEL_VERSION}/misc/${KERNELMODULES[${i}]}.${VBOXMODEXT} ]] |
85 | then |
86 | if [[ -n $(grep "${KERNELMODULES[${i}]} " /proc/modules 2> /dev/null) ]] |
87 | then |
88 | mecho "Unloading ${KERNELMODULES[${i}]} module ..." |
89 | modprobe -r ${KERNELMODULES[${i}]} |
90 | fi |
91 | fi |
92 | done |
93 | |
94 | if [[ ${compile} = yes ]] |
95 | then |
96 | if [ ! -f ${KERNEL_SOURCES}/include/linux/version.h ] |
97 | then |
98 | die "No kernel sources for kernel ${KERNEL_VERSION} found! Aborting." |
99 | fi |
100 | |
101 | for module in ${KERNELMODULES[*]} |
102 | do |
103 | if [[ -f /lib/modules/${KERNEL_VERSION}/misc/${module}.${VBOXMODEXT} ]] |
104 | then |
105 | mecho "Removing old ${module} module ..." |
106 | rm -f /lib/modules/${KERNEL_VERSION}/misc/${module}.${VBOXMODEXT} |
107 | fi |
108 | done |
109 | |
110 | # compile the modules |
111 | pushd ${INSTALL_DIR}/src > /dev/null |
112 | for module in ${KERNELMODULES[*]} |
113 | do |
114 | mecho "Compiling ${module} module ..." |
115 | make ${makequiet} -C ${module} KBUILD_VERBOSE=${VERBOSE} clean || die "mod-compile ${module}" |
116 | |
117 | # need some symver from vboxmodule (must be run after clean!) |
118 | if [[ ${module} = ${VBOXNETMODULE} ]] || |
119 | [[ ${module} = ${VBOXNETADPMODULE} ]] || |
120 | [[ ${module} = ${VBOXPCIMODULE} ]] |
121 | then |
122 | [[ -f ${VBOXMODULE}/Module.symvers ]] && cp ${VBOXMODULE}/Module.symvers ${module} |
123 | fi |
124 | |
125 | make ${makequiet} -C ${module} KBUILD_VERBOSE=${VERBOSE} || die "mod-compile ${module}" |
126 | |
127 | # install the modules |
128 | install -d /lib/modules/${KERNEL_VERSION}/misc |
129 | install -m0644 ${module}/${module}.${VBOXMODEXT} /lib/modules/${KERNEL_VERSION}/misc || die "mod-install ${module}" |
130 | done |
131 | # do no clean before all modules are build, or required symbols and objects get deleted |
132 | for module in ${KERNELMODULES[*]} |
133 | do |
134 | # clean up |
135 | make ${makequiet} -C ${module} KBUILD_VERBOSE=${VERBOSE} clean || die "mod-compile ${module}" |
136 | done |
137 | popd > /dev/null |
138 | |
139 | # calc module dependencies |
140 | mecho "Calculating module dependencies ..." |
141 | depmod -a ${KERNEL_VERSION} |
142 | fi |
143 | |
144 | # re-read udev rules to grant the right permissions |
145 | if [[ -x $(type -P udevadm) ]] |
146 | then |
147 | mecho "Reloading udev configuration ..." |
148 | udevadm control --reload-rules |
149 | fi |
150 | |
151 | # load the module |
152 | if [[ x$(uname -r) = x${KERNEL_VERSION} ]] |
153 | then |
154 | for module in ${KERNELMODULES[*]} |
155 | do |
156 | mecho "Loading kernel-module ${module} ..." |
157 | modprobe ${module} |
158 | done |
159 | |
160 | if [ $(echo ${KERNEL_VERSION%%-*} | sed 's:\.::g') -ge 2639 ] |
161 | then |
162 | # fixes NMI warnings with kernels >=2.6.31: |
163 | # vboxdrv: Warning: 2.6.31+ kernel detected. Most likely the hardware performance |
164 | # vboxdrv: counter framework which can generate NMIs is active. |
165 | mecho "Disabled hardware performance counter NMIs ..." |
166 | echo 2 > /proc/sys/kernel/perf_event_paranoid |
167 | |
168 | elif [ $(echo ${KERNEL_VERSION%%-*} | sed 's:\.::g') -ge 2631 ] |
169 | then |
170 | # fixes NMI warnings with kernels >=2.6.31: |
171 | # vboxdrv: Warning: 2.6.31+ kernel detected. Most likely the hardware performance |
172 | # vboxdrv: counter framework which can generate NMIs is active. |
173 | mecho "Disabled hardware performance counter NMIs ..." |
174 | echo 2 > /proc/sys/kernel/perf_counter_paranoid |
175 | fi |
176 | else |
177 | echo -e ${COLRED} |
178 | echo "Your current running kernel does not match the the module target." |
179 | echo "You must boot into your target kernel and load the modules manually," |
180 | echo "before you can use virtualbox." |
181 | echo -en ${COLDEFAULT} |
182 | fi |
183 | |
184 | echo |
185 | mecho "Virtualbox is now configured for your system." |
186 | mecho "Do not forget to add your users to the 'vboxusers' group." |
187 | echo |
188 | |
189 | exit 0 |