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authorOtavio Salvador <otavio@ossystems.com.br>2017-12-01 11:05:32 -0200
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-12-10 22:41:41 +0000
commit9b98c97338b4c3f985eca572d6a1e21324fa0fbc (patch)
tree296b462d66685d2c4c9585e6723531ad7167585c
parenta41f7cdf0cbc56a283d5c845c36d88a0208bf386 (diff)
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initramfs-framework: Add exec module
This new module allow for easy execution of external scripts or applications. It runs anything found in /exec.d directory in order and in case of no scripts to be available, it opens a shell. Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Signed-off-by: Ross Burton <ross.burton@intel.com>
-rw-r--r--meta/recipes-core/initrdscripts/initramfs-framework/exec29
-rw-r--r--meta/recipes-core/initrdscripts/initramfs-framework_1.0.bb9
2 files changed, 38 insertions, 0 deletions
diff --git a/meta/recipes-core/initrdscripts/initramfs-framework/exec b/meta/recipes-core/initrdscripts/initramfs-framework/exec
new file mode 100644
index 00000000000..a8e2432bb6d
--- /dev/null
+++ b/meta/recipes-core/initrdscripts/initramfs-framework/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
+}
diff --git a/meta/recipes-core/initrdscripts/initramfs-framework_1.0.bb b/meta/recipes-core/initrdscripts/initramfs-framework_1.0.bb
index 2afc37ee75f..75d965f0691 100644
--- a/meta/recipes-core/initrdscripts/initramfs-framework_1.0.bb
+++ b/meta/recipes-core/initrdscripts/initramfs-framework_1.0.bb
@@ -8,6 +8,7 @@ PR = "r4"
inherit allarch
SRC_URI = "file://init \
+ file://exec \
file://rootfs \
file://finish \
file://mdev \
@@ -26,6 +27,9 @@ do_install() {
install -m 0755 ${WORKDIR}/rootfs ${D}/init.d/90-rootfs
install -m 0755 ${WORKDIR}/finish ${D}/init.d/99-finish
+ # exec
+ install -m 0755 ${WORKDIR}/exec ${D}/init.d/89-exec
+
# mdev
install -m 0755 ${WORKDIR}/mdev ${D}/init.d/01-mdev
@@ -45,6 +49,7 @@ do_install() {
}
PACKAGES = "${PN}-base \
+ initramfs-module-exec \
initramfs-module-mdev \
initramfs-module-udev \
initramfs-module-e2fs \
@@ -62,6 +67,10 @@ FILES_${PN}-base = "/init /init.d/99-finish /dev"
# and mounts the rootfs. Then 90-rootfs will proceed immediately.
RRECOMMENDS_${PN}-base += "initramfs-module-rootfs"
+SUMMARY_initramfs-module-exec = "initramfs support for easy execution of applications"
+RDEPENDS_initramfs-module-exec = "${PN}-base"
+FILES_initramfs-module-exec = "/init.d/89-exec"
+
SUMMARY_initramfs-module-mdev = "initramfs support for mdev"
RDEPENDS_initramfs-module-mdev = "${PN}-base busybox-mdev"
FILES_initramfs-module-mdev = "/init.d/01-mdev"