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linux-initramfs: new package, adds support for loading kernel modules

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This package adds support for loading kernel modules during early boot.

The list of modules to be loaded can be specified in projects/*/options in the
variable INITRAMFS_MODULES .

The list of modules to load will be stored in initramfs /etc/modules , the
modules themselves in /lib/modules .
No subdirectories are used to ease and speed up module loading in init.
Only modules which were actually built will be added to the initramfs.

Signed-off-by: Alain Kalker <a.c.kalker@gmail.com>
This commit is contained in:
Alain Kalker 2012-03-25 16:58:39 +02:00
parent 2bc354bc51
commit cea7f0ef7b
3 changed files with 76 additions and 1 deletions
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39
packages/initramfs/linux-initramfs/install Executable file
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#!/bin/sh
################################################################################
# This file is part of OpenELEC - http://www.openelec.tv
# Copyright (C) 2009-2012 Stephan Raue (stephan@openelec.tv)
#
# This Program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This Program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with OpenELEC.tv; see the file COPYING. If not, write to
# the Free Software Foundation, 51 Franklin Street, Suite 500, Boston, MA 02110, USA.
# http://www.gnu.org/copyleft/gpl.html
################################################################################
. config/options $1
VER=`ls $BUILD/linux*/modules/lib/modules`
LINUX_MODULES_DIR=`echo $BUILD/linux*/modules/lib/modules/$VER/kernel`
if [ -n "$INITRAMFS_MODULES" ]; then
mkdir -p $INSTALL/etc
mkdir -p $INSTALL/lib/modules
for i in $INITRAMFS_MODULES; do
module=`find $LINUX_MODULES_DIR -name $i.ko`
if [ -n "$module" ]; then
echo $i >> $INSTALL/etc/modules
cp $module $INSTALL/lib/modules/`basename $module`
fi
done
fi

36
packages/initramfs/linux-initramfs/meta Normal file
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################################################################################
# This file is part of OpenELEC - http://www.openelec.tv
# Copyright (C) 2009-2012 Stephan Raue (stephan@openelec.tv)
#
# This Program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This Program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with OpenELEC.tv; see the file COPYING. If not, write to
# the Free Software Foundation, 51 Franklin Street, Suite 500, Boston, MA 02110, USA.
# http://www.gnu.org/copyleft/gpl.html
################################################################################
PKG_NAME="linux-initramfs"
PKG_VERSION=""
PKG_REV="1"
PKG_ARCH="any"
PKG_LICENSE="GPL"
PKG_SITE="http://www.kernel.org"
PKG_URL=""
PKG_DEPENDS=""
PKG_BUILD_DEPENDS="toolchain"
PKG_PRIORITY="optional"
PKG_SECTION="initramfs"
PKG_SHORTDESC="linux: initramfs kernel module support"
PKG_LONGDESC="Support for loading kernel modules during early boot."
PKG_IS_ADDON="no"
PKG_AUTORECONF="no"

2
packages/initramfs/meta
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@ -25,7 +25,7 @@ PKG_ARCH="any"
PKG_LICENSE="GPL"
PKG_SITE="http://www.openelec.tv"
PKG_URL=""
PKG_DEPENDS="eglibc-initramfs busybox-initramfs diskdev_cmds-initramfs"
PKG_DEPENDS="eglibc-initramfs busybox-initramfs diskdev_cmds-initramfs linux-initramfs"
PKG_BUILD_DEPENDS="toolchain eglibc-initramfs busybox-initramfs"
PKG_PRIORITY="optional"
PKG_SECTION="initramfs"