add missing recipe

recipes-diya/initramfs/files/debug

@@ -0,0 +1,82 @@
+#!/bin/sh
+# Copyright (C) 2011 O.S. Systems Software LTDA.
+# Licensed on MIT
+
+# Adds support to dynamic debugging of initramfs using bootparam in
+# following format:
+#   shell                 : starts a shell before and after each module
+#   shell=before:<module> : starts a shell before <module> is loaded and run
+#   shell=after:<module>  : starts a shell after <module> is loaded and run
+#
+#   shell-debug                 : run set -x as soon as possible
+#   shell-debug=before:<module> : run set -x before <module> is loaded and run
+#   shell-debug=after:<module>  : run set -x after <module> is loaded and run
+
+DEBUG_SHELL="false"
+
+debug_hook_handler() {
+	status=$1
+	module=$2
+
+	if [ -n "$bootparam_shell" ] && [ "$bootparam_shell" != "true" ]; then
+		shell_wanted_status=`expr $bootparam_shell : '\(.*\):.*'`
+		shell_wanted_module=`expr $bootparam_shell : '.*:\(.*\)'`
+
+		if [ "$shell_wanted_status" = "before" ]; then
+			shell_wanted_status=pre
+		else
+			shell_wanted_status=post
+		fi
+	fi
+
+	if [ "$bootparam_shell" = "true" ] ||
+		( [ "$status" = "$shell_wanted_status" ] &&
+			[ "$module" = "$shell_wanted_module" ] ); then
+		if [ "$status" = "pre" ]; then
+			status_msg="before"
+		else
+			status_msg="after"
+		fi
+
+		msg "Starting shell $status_msg $module..."
+		sh
+	fi
+
+	if [ -n "$bootparam_shell_debug" ] && [ "$bootparam_shell_debug" != "true" ]; then
+		shell_debug_wanted_status=`expr $bootparam_shell_debug : '\(.*\):.*'`
+		shell_debug_wanted_module=`expr $bootparam_shell_debug : '.*:\(.*\)'`
+
+		if [ "$shell_debug_wanted_status" = "before" ]; then
+			shell_debug_wanted_status=pre
+		else
+			shell_debug_wanted_status=post
+		fi
+	fi
+
+	if [ "$bootparam_shell_debug" = "true" ] ||
+		( [ "$status" = "$shell_debug_wanted_status" ] &&
+			[ "$module" = "$shell_debug_wanted_module" ] ); then
+		if [ "$DEBUG_SHELL" = "true" ]; then
+			return 0
+		fi
+
+		if [ "$status" = "pre" ]; then
+			status_msg="before"
+		else
+			status_msg="after"
+		fi
+
+		msg "Starting shell debugging $status_msg $module..."
+		DEBUG_SHELL="true"
+		set -x
+	fi
+}
+
+debug_enabled() {
+	return 0
+}
+
+debug_run() {
+	add_module_pre_hook "debug_hook_handler"
+	add_module_post_hook "debug_hook_handler"
+}

recipes-diya/initramfs/files/e2fs

@@ -0,0 +1,28 @@
+#!/bin/sh
+# Copyright (C) 2011 O.S. Systems Software LTDA.
+# Licensed on MIT
+
+e2fs_enabled() {
+	return 0
+}
+
+e2fs_run() {
+	filesystems="ext4 ext3 ext2"
+
+	# load modules
+	for fs in $filesystems; do
+		load_kernel_module $fs
+	done
+
+	for fs in $filesystems; do
+		eval "fs_options=\$bootparam_${fs}"
+		if [ -n "$fs_options" ]; then
+		    dev=`expr "$fs_options" : '\([^:]*\).*'`
+		    path=`expr "$fs_options" : '[^:]*:\([^:]*\).*'`
+
+		    info "Mounting $dev as $fs on $path as $fs..."
+			mkdir -p $path
+		    mount -t $fs $dev $path
+		fi
+	done
+}

recipes-diya/initramfs/files/exec

@@ -0,0 +1,29 @@
+#!/bin/sh
+# Copyright (C) 2017 O.S. Systems Software LTDA.
+# Licensed on MIT
+
+EXEC_DIR=/exec.d  # place to look for modules
+
+exec_enabled() {
+	return 0
+}
+
+exec_run() {
+	if [ ! -d $EXEC_DIR ]; then
+		msg "No contents to exec in $EXEC_DIR. Starting shell ..."
+		sh
+	fi
+
+	# Load and run modules
+	for m in $EXEC_DIR/*; do
+		# Skip backup files
+		if [ "`echo $m | sed -e 's/\~$//'`" != "$m" ]; then
+			continue
+		fi
+
+		debug "Starting $m"
+
+		# process module
+		./$m
+	done
+}

recipes-diya/initramfs/files/init

@@ -0,0 +1,160 @@
+#!/bin/sh
+# Copyright (C) 2011 O.S. Systems Software LTDA.
+# Licensed on MIT
+#
+# Provides the API to be used by the initramfs modules
+#
+# Modules need to provide the following functions:
+#
+# <module>_enabled : check if the module ought to run (return 1 to skip)
+# <module>_run     : do what is need
+#
+# Boot parameters are available on environment in the as:
+#
+# 'foo=value' as 'bootparam_foo=value'
+# 'foo' as 'bootparam_foo=true'
+# 'foo.bar[=value] as 'foo_bar=[value|true]'
+
+# Register a function to be called before running a module
+# The hook is called as:
+#   <function> pre <module>
+add_module_pre_hook() {
+	MODULE_PRE_HOOKS="$MODULE_PRE_HOOKS $1"
+}
+
+# Register a function to be called after running a module
+# The hook is called as:
+#   <function> post <module>
+add_module_post_hook() {
+	MODULE_POST_HOOKS="$MODULE_POST_HOOKS $1"
+}
+
+# Load kernel module
+load_kernel_module() {
+	if modprobe $1 >/dev/null 2>&1; then
+		info "Loaded module $1"
+	else
+		debug "Failed to load module $1"
+	fi
+}
+
+# Prints information
+msg() {
+	echo "$@" >/dev/console
+}
+
+# Prints information if verbose bootparam is used
+info() {
+	[ -n "$bootparam_verbose" ] && echo "$@" >/dev/console
+}
+
+# Prints information if debug bootparam is used
+debug() {
+	[ -n "$bootparam_debug" ] && echo "DEBUG: $@" >/dev/console
+}
+
+# Prints a message and start a endless loop
+fatal() {
+    echo $1 >/dev/console
+    echo >/dev/console
+
+    if [ -n "$bootparam_init_fatal_sh" ]; then
+        sh
+    else
+	while [ "true" ]; do
+		sleep 3600
+	done
+    fi
+}
+
+# Variables shared amoung modules
+MODULE_PRE_HOOKS=""  # functions to call before running each module
+MODULE_POST_HOOKS="" # functions to call after running each module
+MODULES_DIR=/init.d  # place to look for modules
+EFI_DIR=/sys/firmware/efi  # place to store device firmware information
+
+# make mount stop complaining about missing /etc/fstab
+touch /etc/fstab
+
+# initialize /proc, /sys, /run/lock and /var/lock
+mkdir -p /proc /sys /run/lock /var/lock
+mount -t proc proc /proc
+mount -t sysfs sysfs /sys
+
+if [ -d $EFI_DIR ];then
+	mount -t efivarfs none /sys/firmware/efi/efivars
+fi
+
+# populate bootparam environment
+for p in `cat /proc/cmdline`; do
+	if [ -n "$quoted" ]; then
+		value="$value $p"
+		if [ "`echo $p | sed -e 's/\"$//'`" != "$p" ]; then
+			eval "bootparam_${quoted}=${value}"
+			unset quoted
+		fi
+		continue
+	fi
+
+	opt=`echo $p | cut -d'=' -f1`
+	opt=`echo $opt | sed -e 'y/.-/__/'`
+	if [ "`echo $p | cut -d'=' -f1`" = "$p" ]; then
+		eval "bootparam_${opt}=true"
+	else
+		value="`echo $p | cut -d'=' -f2-`"
+		if [ "`echo $value | sed -e 's/^\"//'`" != "$value" ]; then
+			quoted=${opt}
+			continue
+		fi
+		eval "bootparam_${opt}=\"${value}\""
+	fi
+done
+
+# use /dev with devtmpfs
+if grep -q devtmpfs /proc/filesystems; then
+	mkdir -p /dev
+	mount -t devtmpfs devtmpfs /dev
+else
+	if [ ! -d /dev ]; then
+		fatal "ERROR: /dev doesn't exist and kernel doesn't has devtmpfs enabled."
+	fi
+fi
+
+# Load and run modules
+for m in $MODULES_DIR/*; do
+	# Skip backup files
+	if [ "`echo $m | sed -e 's/\~$//'`" != "$m" ]; then
+		continue
+	fi
+
+	module=`basename $m | cut -d'-' -f 2`
+	debug "Loading module $module"
+
+	# pre hooks
+	for h in $MODULE_PRE_HOOKS; do
+		debug "Calling module hook (pre): $h"
+		eval "$h pre $module"
+		debug "Finished module hook (pre): $h"
+	done
+
+	# process module
+	. $m
+
+	if ! eval "${module}_enabled"; then
+		debug "Skipping module $module"
+		continue
+	fi
+
+	debug "Running ${module}_run"
+	eval "${module}_run"
+
+	# post hooks
+	for h in $MODULE_POST_HOOKS; do
+		debug "Calling module hook (post): $h"
+		eval "$h post $module"
+		debug "Finished module hook (post): $h"
+	done
+done
+
+# Catch all
+fatal "ERROR: Initramfs failed to initialize the system."

recipes-diya/initramfs/files/lvm

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+lvm_enabled() {
+	if ! lvscan |grep -i -w "inactive" &>/dev/null;then
+		return 1
+	fi
+	return 0
+}
+
+lvm_run() {
+	lvm pvscan --cache --activate ay
+	udevadm trigger --action=add
+}

recipes-diya/initramfs/files/udev

@@ -0,0 +1,50 @@
+#!/bin/sh
+# Copyright (C) 2011, 2012 O.S. Systems Software LTDA.
+# Licensed on MIT
+
+udev_shutdown_hook_handler() {
+	status=$1
+	module=$2
+	if [ "$status" = "pre" ] && [ "$module" = "finish" ]; then
+		udevadm settle
+		killall `basename $_UDEV_DAEMON` 2>/dev/null
+	fi
+}
+
+udev_daemon() {
+	OPTIONS="/sbin/udev/udevd /sbin/udevd /lib/udev/udevd /lib/systemd/systemd-udevd"
+
+	for o in $OPTIONS; do
+		if [ -x "$o" ]; then
+			echo $o
+			return 0
+		fi
+	done
+
+	return 1
+}
+
+_UDEV_DAEMON=`udev_daemon`
+
+udev_enabled() {
+	if [ -z "$_UDEV_DAEMON" ]; then
+		msg "WARNING: Cannot find the udev daemon; daemon will not be started in initramfs."
+		return 1
+	fi
+
+	return 0
+}
+
+udev_run() {
+	add_module_pre_hook "udev_shutdown_hook_handler"
+
+	mkdir -p /run
+	mkdir -p /var/run
+
+	# Workaround if console=null, systemd-udevd needs valid stdin, stdout and stderr to work
+	sh -c "exec 4< /dev/console" || { exec 0> /dev/null; exec 1> /dev/null; exec 2> /dev/null; }
+
+	$_UDEV_DAEMON --daemon
+	udevadm trigger --action=add
+	udevadm settle
+}

recipes-diya/initramfs/recovery-boot_0.1.bb

@@ -0,0 +1,52 @@
+SUMMARY = "Modular initramfs system"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
+RDEPENDS:${PN} += "${VIRTUAL-RUNTIME_base-utils}"
+RRECOMMENDS:${PN} = "${VIRTUAL-RUNTIME_base-utils-syslog}"
+
+FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
+
+PR = "r4"
+
+inherit allarch
+
+SRC_URI = "file://init \
+           file://exec \
+           file://udev \
+           file://e2fs \
+           file://debug \
+           file://lvm \
+          "
+
+S = "${WORKDIR}"
+
+do_install() {
+    install -d ${D}/init.d
+
+    # base
+    install -m 0755 ${WORKDIR}/init ${D}/init
+
+    # exec
+    install -m 0755 ${WORKDIR}/exec ${D}/init.d/89-exec
+
+    # udev
+    install -m 0755 ${WORKDIR}/udev ${D}/init.d/01-udev
+
+    # e2fs
+    install -m 0755 ${WORKDIR}/e2fs ${D}/init.d/10-e2fs
+
+    # debug
+    install -m 0755 ${WORKDIR}/debug ${D}/init.d/00-debug
+
+    # lvm
+    install -m 0755 ${WORKDIR}/lvm ${D}/init.d/09-lvm
+
+
+    # Create device nodes expected by some kernels in initramfs
+    # before even executing /init.
+    install -d ${D}/dev
+    mknod -m 622 ${D}/dev/console c 5 1
+}
+
+
+FILES:${PN} = "/init /init.d /dev"