diff options
Diffstat (limited to 'build_tools/genmodconf')
-rwxr-xr-x | build_tools/genmodconf | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/build_tools/genmodconf b/build_tools/genmodconf new file mode 100755 index 0000000..ada453e --- /dev/null +++ b/build_tools/genmodconf @@ -0,0 +1,107 @@ +#!/bin/sh + +# this script makes an attempt to build a proper set of rules +# for loading the Zaptel modules and automatically running ztcfg +# +# it accepts three parameters: +# the kernel major version being targeted (either linux24 or linux26) +# the root prefix to be used for finding/creating the files +# the list of module names being installed +# +# the process is as follows: +# +# for linux24, the file can be located either at /etc/modules.conf (combined +# with all other rules) or in /etc/modutils/zaptel (only the Zaptel rules) +# +# for linux26, the file can be located at /etc/modprobe.conf (combined with all +# other rules), /etc/modprobe.d/zaptel (Zaptel only) or /etc/modules.d/zaptel +# (Zaptel only) +# +# when the file is Zaptel rules only, then we don't preserve the existing +# contents of the file; the system administrator can put desired options and +# overrides in a separate file with a name that appears earlier in the sort +# order, so there is no need to edit the file produced by this script +# +# when the file is combined with all other rules, then we make a backup +# of it and remove all the old Zaptel rules we can find, replacing them with +# new ones +# +# in addition, for linux26, versions of module-init-tools 3.2.0 and later +# have the ability to pass module parameters specified on the modprobe command +# line to commands in 'install' rules, thus keeping them from being lost, so +# we try to determine what version is installed and take advantage of that + +if [ "${1}" = "linux24" ]; then + if [ -d ${2}/etc/modutils ]; then + target=${2}/etc/modutils/zaptel + elif [ -f ${2}/etc/modules.conf ]; then + target=${2}/etc/modules.conf + combined=1 + else + echo No suitable location for module rules can be found... exiting. + exit 1 + fi +elif [ "${1}" = "linux26" ]; then + toolver=`/sbin/modprobe --version 2>/dev/null| awk '{print $3}' | cut -d. -f2 | cut -d- -f1` + if [ ${toolver} -ge 2 ]; then + cmdopts=\$CMDLINE_OPTS + fi + if [ -d ${2}/etc/modprobe.d ]; then + target=${2}/etc/modprobe.d/zaptel + elif [ -d ${2}/etc/modules.d ]; then + target=${2}/etc/modules.d/zaptel + elif [ -f ${2}/etc/modprobe.conf ]; then + target=${2}/etc/modprobe.conf + combined=1 + elif [ -f ${2}/etc/conf.modules ]; then + target=${2}/etc/conf.modules + combined=1 + else + echo No suitable location for module rules can be found... exiting. + exit 1 + fi +else + echo Unknown kernel build version requested... exiting. + exit 1 +fi + +if [ -n "${combined}" ]; then + if [ -f ${target} ]; then + mv ${target} ${target}.bak + cat ${target}.bak | grep -v "alias char-major-250" | grep -v "alias char-major-196" > ${target} + fi +else + if [ -f ${target} ]; then + mv ${target} ${target}.bak + fi + echo "# automatically generated file; do not edit" > ${target} +fi + +echo Building ${target}... + +if [ "${1}" = "linux24" ]; then + for mod in ${3}; do + if ! grep -q "post-install ${mod} " ${target}; then + echo "post-install ${mod} /sbin/ztcfg" >> ${target} + fi + done +elif [ "${1}" = "linux26" ]; then + for mod in ${3}; do + if ! grep -q "install ${mod} " ${target}; then + echo "install ${mod} /sbin/modprobe --ignore-install ${mod} ${cmdopts} && /sbin/ztcfg" >> ${target} + fi + done +fi + +if [ -z "${combined}" ]; then + echo "***" + echo "*** WARNING:" + echo "*** If you had custom settings in ${target}," + echo "*** they have been moved to ${target}.bak." + echo "***" + echo "*** In the future, do not edit ${target}, but" + echo "*** instead put your changes in another file" + echo "*** in the same directory so that they will not" + echo "*** be overwritten by future Zaptel updates." + echo "***" +fi |