add support for p1

Signed-off-by: Chirayu Desai <cdesai@cyanogenmod.org>
Signed-off-by: Humberto Borba <humberos@gmail.com>
Signed-off-by: Koudai Aono <koxudaxi@gmail.com>
Change-Id: I2dcbaee7f17852ed3ea4a5db2d103704027fe259

3 files changed, 126 insertions, 0 deletions

diff --git a/usr/p1_initramfs.list b/usr/p1_initramfs.list
new file mode 100644
index 0000000..9c576e2
--- /dev/null
+++ b/usr/p1_initramfs.list
@@ -0,0 +1,53 @@
+
+
+dir /dev 755 0 0
+dir /dev/block 755 0 0
+nod /dev/block/mmcblk0 644 0 0 b 179 0
+nod /dev/block/mmcblk0p1 644 0 0 b 179 1
+nod /dev/block/mmcblk0p2 644 0 0 b 179 2
+nod /dev/block/mmcblk0p3 644 0 0 b 179 3
+nod /dev/block/mtdblock0 644 0 0 b 31 0
+nod /dev/block/mtdblock1 644 0 0 b 31 1
+nod /dev/block/mtdblock2 644 0 0 b 31 2
+nod /dev/block/mtdblock3 644 0 0 b 31 3
+nod /dev/block/mtdblock4 644 0 0 b 31 4
+dir /dev/mtd 755 0 0
+nod /dev/mtd/mtd0 644 0 0 c 90 0
+nod /dev/mtd/mtd0ro 644 0 0 c 90 1
+nod /dev/mtd/mtd1 644 0 0 c 90 2
+nod /dev/mtd/mtd1ro 644 0 0 c 90 3
+nod /dev/mtd/mtd2 644 0 0 c 90 4
+nod /dev/mtd/mtd2ro 644 0 0 c 90 5
+nod /dev/mtd/mtd3 644 0 0 c 90 6
+nod /dev/mtd/mtd3ro 644 0 0 c 90 7
+nod /dev/mtd/mtd4 644 0 0 c 90 8
+nod /dev/mtd/mtd4ro 644 0 0 c 90 9
+slink /init /stage1/init 777 0 0
+dir /proc 755 0 0
+dir /stage1 755 0 0
+dir /system 755 0 0
+dir /cache 755 0 0
+dir /sdcard 755 0 0
+file /stage1/busybox source/usr/p1_initramfs_files/busybox 755 0 0
+file /stage1/init source/usr/p1_initramfs_files/init 755 0 0
+file /stage1/make_ext4fs ../../utilities/make_ext4fs 755 0 0
+file /stage1/boot.cpio ../../ramdisk.cpio 644 0 0
+file /stage1/recovery.cpio ../../ramdisk-recovery.cpio 644 0 0
+slink /stage1/cat busybox 755 0 0
+slink /stage1/cp busybox 755 0 0
+slink /stage1/cpio busybox 755 0 0
+slink /stage1/date busybox 755 0 0
+slink /stage1/dd busybox 755 0 0
+slink /stage1/echo busybox 755 0 0
+slink /stage1/grep busybox 755 0 0
+slink /stage1/insmod busybox 755 0 0
+slink /stage1/mkdir busybox 755 0 0
+slink /stage1/mount busybox 755 0 0
+slink /stage1/rm busybox 755 0 0
+slink /stage1/sh busybox 755 0 0
+slink /stage1/tail busybox 755 0 0
+slink /stage1/test busybox 755 0 0
+slink /stage1/touch busybox 755 0 0
+slink /stage1/umount busybox 755 0 0
+slink /stage1/zcat busybox 755 0 0
+dir /sys 755 0 0
diff --git a/usr/p1_initramfs_files/busybox b/usr/p1_initramfs_files/busybox
new file mode 100755
index 0000000..9496f7a
--- /dev/null
+++ b/usr/p1_initramfs_files/busybox
diff --git a/usr/p1_initramfs_files/init b/usr/p1_initramfs_files/init
new file mode 100755
index 0000000..3a989f1
--- /dev/null
+++ b/usr/p1_initramfs_files/init
@@ -0,0 +1,73 @@
+#!/stage1/busybox sh
+export _PATH="$PATH"
+export PATH=/stage1
+
+busybox cd /
+busybox date >>boot.txt
+exec >>boot.txt 2>&1
+busybox rm init
+busybox mount -t proc proc /proc
+busybox mount -t sysfs sysfs /sys
+busybox mount -t yaffs2 /dev/block/mtdblock2 /system
+busybox mount -t ext4 /dev/block/mmcblk0p3 /cache
+
+image=/stage1/boot.cpio
+
+if busybox test -e /cache/.startrecovery || [ `busybox cat /proc/cmdline | busybox grep bootmode | busybox awk '{print $2}'` == bootmode=2 ] ; then
+	# recovery boot
+	busybox rm -fr /cache/.startrecovery
+	image=/stage1/recovery.cpio
+
+	# disable lpm
+	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
+elif ! busybox test -e /system/build.prop ; then
+	# emergency boot
+	busybox umount /cache
+	make_ext4fs -b 4096 -g 32768 -i 8192 -I 256 -a /cache /dev/block/mmcblk0p3
+	busybox mount -t ext4 /dev/block/mmcblk0p3 /cache
+	busybox mkdir /cache/recovery
+
+	busybox mount -t vfat /dev/block/mmcblk0p1 /sdcard
+
+	UPDATE=$(busybox cat /sdcard/cyanogenmod.cfg)
+
+	if busybox test -e $UPDATE ; then
+		busybox echo "install_zip(\"`echo $UPDATE`\");" > /cache/recovery/extendedcommand
+	fi
+
+	image=/stage1/recovery.cpio
+
+	# disable lpm
+	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
+fi
+
+busybox umount /cache
+busybox umount /system
+busybox umount /sdcard
+busybox rmdir /sdcard
+
+cpio -i < ${image}
+
+if busybox grep -q 1 /sys/class/power_supply/battery/charging_mode_booting ; then
+	# low power mode
+	busybox cp lpm.rc init.rc
+	busybox rm init.p1.rc
+fi
+
+HW=$(busybox cat /proc/cpuinfo | busybox grep Hardware | busybox sed s/Hardware// | busybox tr '[A-Z]' '[a-z]' | busybox tr -d ' ' | busybox tr -d ':' | busybox tr -d '\t')
+if [ "$HW" != "p1" ] ; then
+	if [ "$image" == "/stage1/boot.cpio" ] ; then
+		busybox ln -s /init.p1.rc /init.$HW.rc
+	elif [ "$image" == "/stage1/recovery.cpio" ] ; then
+		busybox ln -s /init.recovery.p1.rc /init.recovery.$HW.rc
+	fi
+
+	busybox ln -s /ueventd.p1.rc /ueventd.$HW.rc
+fi
+
+busybox umount /sys
+busybox umount /proc
+busybox date >>boot.txt
+busybox rm -fr /stage1 /dev/*
+export PATH="${_PATH}"
+exec /init