From: Jeremy Kerr <jk@ozlabs.org>
Date: Thu, 20 Jun 2013 06:19:24 +0000 (+0800)
Subject: utils/hooks: Add create-dtb hook
X-Git-Tag: v1.0.0~565
X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=commitdiff_plain;h=ca6231932c9e81822f86142646bc4aa42454353e

utils/hooks: Add create-dtb hook

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---

diff --git a/utils/Makefile.am b/utils/Makefile.am
index 2d7fe2d..c1ff586 100644
--- a/utils/Makefile.am
+++ b/utils/Makefile.am
@@ -30,6 +30,7 @@ pb_event_SOURCES = pb-event.c
 dist_pkgdata_DATA = \
 	kboot.conf.sample \
 	bb-kexec-reboot \
-	logrotate.conf
+	logrotate.conf \
+	hooks/01-create-default-dtb
 
 MAINTAINERCLEANFILES = Makefile.in
diff --git a/utils/hooks/01-create-default-dtb b/utils/hooks/01-create-default-dtb
new file mode 100644
index 0000000..82c25a2
--- /dev/null
+++ b/utils/hooks/01-create-default-dtb
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+[ -n "$boot_dtb" ] && exit;
+[ ! -e /proc/device-tree ] && exit
+
+dtb=$(mktemp)
+
+dtc -I fs -O dtb -o $dtb /proc/device-tree
+
+echo "boot_dtb=$dtb"
+exit 2