initramfs-framework: provides a modular initramfs

Provides the API and modules for a modular initramfs. The currently
included modules are:

 * initramfs-module-debug adds support to dynamic debugging of
   initramfs using bootparams

 * initramfs-module-udev: enables udev usage

 * initramfs-module-mdev: enables mdev usage

 * initramfs-module-e2fs: adds support for ext4, ext3 and ext2
   filesystems

(From OE-Core rev: 7b69ad2167a1f0e57db82817b98a0cbcb70a0dd3)

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/meta/recipes-core/initrdscripts/initramfs-framework/udev b/meta/recipes-core/initrdscripts/initramfs-framework/udev
new file mode 100644
index 0000000000..9ea8aa3641
--- /dev/null
+++ b/meta/recipes-core/initrdscripts/initramfs-framework/udev
@@ -0,0 +1,22 @@
+#!/bin/sh
+# Copyright (C) 2011 O.S. Systems Software LTDA.
+# Licensed on MIT
+
+udev_enabled() {
+        if [ ! -e /sbin/udevd ]; then
+                debug "/sbin/udev doesn't exist"
+                return 1
+        fi
+
+        return 0
+}
+
+udev_run() {
+        mkdir -p /run
+
+        udevd --daemon > /dev/null
+        udevadm trigger --action=add
+        udevadm settle
+
+        killall udevd 2>/dev/null
+}