Initial checkin

1 files changed, 64 insertions, 0 deletions

diff --git a/init b/init
new file mode 100644
index 0000000..c3e4887
--- /dev/null
+++ b/init
@@ -0,0 +1,64 @@
+#!/bin/sh -x
+mkdir /sys
+mkdir /proc
+mkdir /tmp
+mount -t sysfs sysfs /sys
+mount -t proc proc /proc
+
+. /conf/initramfs.conf
+. /scripts/functions
+
+# Parse command line options
+init=/sbin/init
+root=
+ro=-r
+break=
+rootmnt=/root
+for x in $(cat /proc/cmdline); do
+	case $x in
+	init=*)
+		INIT=${x#init=}
+		;;
+	root=*)
+		ROOT=${x#root=}
+		;;
+	nfsroot=*)
+		NFSROOT=${x#nfsroot=}
+		;;
+	boot=*)
+		BOOT=${x#boot=}
+		;;
+	ro)
+		ro=-r
+		;;
+	rw)
+		ro=-w
+		;;
+	break)
+		break=yes
+		;;
+	esac
+done
+
+. /scripts/${BOOT}
+
+# Load the modules
+# FIXME - do module options here
+for x in $(cat /conf/modules); do
+	insmod /modules/$x
+done
+
+# Populate /dev tree
+udevstart
+
+if [ x${break} = xyes ]; then 
+	panic "Spawning shell within the initramfs"
+fi
+
+mountroot
+
+umount /sys
+umount /proc
+
+# Chain to real filesystem
+exec run-init ${rootmnt} ${init} "$@"