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use sysvinit
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DanyLE
parent
a3ece685aa
commit
d6e79e0c32
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@ -1,82 +0,0 @@
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#!/bin/sh
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# Copyright (C) 2011 O.S. Systems Software LTDA.
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# Licensed on MIT
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# Adds support to dynamic debugging of initramfs using bootparam in
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# following format:
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# shell : starts a shell before and after each module
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# shell=before:<module> : starts a shell before <module> is loaded and run
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# shell=after:<module> : starts a shell after <module> is loaded and run
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#
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# shell-debug : run set -x as soon as possible
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# shell-debug=before:<module> : run set -x before <module> is loaded and run
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# shell-debug=after:<module> : run set -x after <module> is loaded and run
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DEBUG_SHELL="false"
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debug_hook_handler() {
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status=$1
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module=$2
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if [ -n "$bootparam_shell" ] && [ "$bootparam_shell" != "true" ]; then
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shell_wanted_status=`expr $bootparam_shell : '\(.*\):.*'`
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shell_wanted_module=`expr $bootparam_shell : '.*:\(.*\)'`
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if [ "$shell_wanted_status" = "before" ]; then
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shell_wanted_status=pre
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else
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shell_wanted_status=post
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fi
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fi
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if [ "$bootparam_shell" = "true" ] ||
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( [ "$status" = "$shell_wanted_status" ] &&
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[ "$module" = "$shell_wanted_module" ] ); then
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if [ "$status" = "pre" ]; then
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status_msg="before"
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else
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status_msg="after"
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fi
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msg "Starting shell $status_msg $module..."
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sh
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fi
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if [ -n "$bootparam_shell_debug" ] && [ "$bootparam_shell_debug" != "true" ]; then
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shell_debug_wanted_status=`expr $bootparam_shell_debug : '\(.*\):.*'`
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shell_debug_wanted_module=`expr $bootparam_shell_debug : '.*:\(.*\)'`
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if [ "$shell_debug_wanted_status" = "before" ]; then
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shell_debug_wanted_status=pre
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else
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shell_debug_wanted_status=post
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fi
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fi
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if [ "$bootparam_shell_debug" = "true" ] ||
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( [ "$status" = "$shell_debug_wanted_status" ] &&
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[ "$module" = "$shell_debug_wanted_module" ] ); then
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if [ "$DEBUG_SHELL" = "true" ]; then
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return 0
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fi
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if [ "$status" = "pre" ]; then
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status_msg="before"
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else
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status_msg="after"
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fi
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msg "Starting shell debugging $status_msg $module..."
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DEBUG_SHELL="true"
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set -x
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fi
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}
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debug_enabled() {
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return 0
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}
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debug_run() {
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add_module_pre_hook "debug_hook_handler"
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add_module_post_hook "debug_hook_handler"
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}
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@ -15,19 +15,6 @@
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# 'foo' as 'bootparam_foo=true'
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# 'foo.bar[=value] as 'foo_bar=[value|true]'
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# Register a function to be called before running a module
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# The hook is called as:
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# <function> pre <module>
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add_module_pre_hook() {
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MODULE_PRE_HOOKS="$MODULE_PRE_HOOKS $1"
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}
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# Register a function to be called after running a module
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# The hook is called as:
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# <function> post <module>
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add_module_post_hook() {
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MODULE_POST_HOOKS="$MODULE_POST_HOOKS $1"
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}
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# Load kernel module
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load_kernel_module() {
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@ -68,9 +55,6 @@ fatal() {
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}
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# Variables shared amoung modules
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MODULE_PRE_HOOKS="" # functions to call before running each module
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MODULE_POST_HOOKS="" # functions to call after running each module
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MODULES_DIR=/init.d # place to look for modules
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EFI_DIR=/sys/firmware/efi # place to store device firmware information
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# make mount stop complaining about missing /etc/fstab
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@ -122,45 +106,5 @@ fi
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exec /sbin/init
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# active the back light
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echo 0 > /sys/class/backlight/backlight/bl_power
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# Load and run modules
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for m in $MODULES_DIR/*; do
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# Skip backup files
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if [ "`echo $m | sed -e 's/\~$//'`" != "$m" ]; then
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continue
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fi
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module=`basename $m | cut -d'-' -f 2`
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debug "Loading module $module"
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# pre hooks
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for h in $MODULE_PRE_HOOKS; do
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debug "Calling module hook (pre): $h"
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eval "$h pre $module"
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debug "Finished module hook (pre): $h"
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done
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# process module
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. $m
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if ! eval "${module}_enabled"; then
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debug "Skipping module $module"
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continue
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fi
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debug "Running ${module}_run"
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eval "${module}_run"
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# post hooks
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for h in $MODULE_POST_HOOKS; do
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debug "Calling module hook (post): $h"
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eval "$h post $module"
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debug "Finished module hook (post): $h"
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done
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done
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# Catch all
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fatal "ERROR: Initramfs failed to initialize the system."
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@ -1,50 +0,0 @@
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#!/bin/sh
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# Copyright (C) 2011, 2012 O.S. Systems Software LTDA.
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# Licensed on MIT
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udev_shutdown_hook_handler() {
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status=$1
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module=$2
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if [ "$status" = "pre" ] && [ "$module" = "finish" ]; then
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udevadm settle
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killall `basename $_UDEV_DAEMON` 2>/dev/null
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fi
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}
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udev_daemon() {
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OPTIONS="/sbin/udev/udevd /sbin/udevd /lib/udev/udevd /lib/systemd/systemd-udevd"
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for o in $OPTIONS; do
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if [ -x "$o" ]; then
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echo $o
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return 0
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fi
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done
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return 1
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}
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_UDEV_DAEMON=`udev_daemon`
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udev_enabled() {
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if [ -z "$_UDEV_DAEMON" ]; then
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msg "WARNING: Cannot find the udev daemon; daemon will not be started in initramfs."
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return 1
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fi
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return 0
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}
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udev_run() {
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add_module_pre_hook "udev_shutdown_hook_handler"
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mkdir -p /run
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mkdir -p /var/run
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# Workaround if console=null, systemd-udevd needs valid stdin, stdout and stderr to work
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sh -c "exec 4< /dev/console" || { exec 0> /dev/null; exec 1> /dev/null; exec 2> /dev/null; }
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$_UDEV_DAEMON --daemon
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udevadm trigger --action=add
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udevadm settle
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}
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