Testing mmc booting

resources/BuildResources/initramfs-init

@@ -37,7 +37,7 @@ ROOT_DEV="${BLKID%1:*}"
 echo ${ROOT_DEV}
 
 #uncomment for debugging
-# exec setsid /bin/sh -c 'exec /bin/sh </dev/tty1 >/dev/tty1 2>&1'
+exec setsid /bin/sh -c 'exec /bin/sh </dev/tty1 >/dev/tty1 2>&1'
 
 # we use this to change what cmdline options get passed into
 # the next boot stage, aka to enable root encryption

resources/BuildResources/kernel.its

@@ -27,24 +27,12 @@
 				algo = "sha1";
 			};
 		};
-		ramdisk@1{
-			description = "initrd.img";
-			data = /incbin/("PrawnOS-initramfs.cpio.gz");
-			type = "ramdisk";
-			arch = "arm";
-			os = "linux";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
 	};
 	configurations {
 		default = "conf";
 		conf{
 			kernel = "kernel";
 			fdt = "fdt";
-			ramdisk = "ramdisk@1";
 		};
 	};
 };

resources/InstallResources/mmc.partmap

@@ -6,4 +6,5 @@ first-lba: 34
 last-lba: 30785502
 
 /dev/mmcblk2p1 : start=       20480, size=       65536, type=FE3A2A5D-4F32-41A7-B725-ACCC3285A309, uuid=89B31CDB-1147-5241-8271-C1ADBB9BBB44, name="Kernel", attrs="GUID:49,51,52,54,56"
-/dev/mmcblk2p2 : start=       86016, size=    30699486, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=63DB8E49-63C4-984E-90A0-8AC3222C4771, name="Root"
+/dev/mmcblk2p2 : start=       86016, size=      976562, name="Boot"
+/dev/mmcblk2p3 : start=     1062578, size=    29722924, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=63DB8E49-63C4-984E-90A0-8AC3222C4771, name="Root"

scripts/InstallScripts/InstallToInternal.sh

@@ -55,19 +55,46 @@ then
         fi
     fi
     dmesg -E
+
     echo Writing kernel partition
     dd if="$BOOT_DEVICE"1 of=/dev/mmcblk2p1
+
+    BOOT_DEV_NAME=mmcblk2p2
+    ROOT_DEV_NAME=mmcblk2p3
+    CRYPTO=false
+    #Handle full disk encryption
+    read -p "Would you like to setup full disk encrytion using LUKs/DmCrypt? [Y/n]" -n 1 -r
+    if [[ $REPLY =~ ^[Yy]$ ]]
+    then
+        CRYPTO=true
+        # Since iteration count is based on cpu power, and the rk3288 isn't as fast as a usual
+        # desktop cpu, maually supply -i 15000 for security at the cost of a slightly slower unlock
+        cryptsetup -s 512 luksFormat -i 15000 /dev/mmcblk2p2
+        cryptsetup luksOpen /dev/mmcblk2p2 mmcblk2p2-encrypted
+        ROOT_DEV_NAME=mapper/mmcblk2p2-encrypted
+    fi
+
     echo Writing Filesystem, this will take about 4 minutes...
-    mkfs.ext4 -F -b 1024 /dev/mmcblk2p2
+    mkfs.ext4 -F -b 1024 /dev/$ROOT_DEV_NAME
     mkdir -p /mnt/mmc/
-    mount /dev/mmcblk2p2 /mnt/mmc
+    mount /dev/$ROOT_DEV_NAME /mnt/mmc
     rsync -ah --info=progress2 --info=name0 --numeric-ids -x / /mnt/mmc/
     #Remove the live-fstab and install a base fstab
     rm /mnt/mmc/etc/fstab
+    if [ $CRYPTO false]
+    then
         echo "/dev/mmcblk2p2 / ext4 defaults,noatime 0 1" > /mnt/mmc/etc/fstab
         umount /dev/mmcblk2p2
         echo Running fsck
         e2fsck -p -f /dev/mmcblk2p2
+    fi
+    if [ $CRYPTO true ]
+    then
+        # unmount and close encrypted storage
+        cryptsetup luksClose mmcblk2p2-encrypted
+        echo Running fsck
+        #TODO run fsck on luks part
+    fi
     echo Rebooting... Please remove the usb drive once shutdown is complete
     reboot
 fi

scripts/buildInitramFs.sh

@@ -83,6 +83,7 @@ cp $outmnt/sbin/blkid $initramfs_src/bin/
 #add the init script
 cp $build_resources/initramfs-init $initramfs_src/init
 chmod +x $initramfs_src/init
+cp $initramfs_src/init $initramfs_src/sbin/init
 
 #compress and install
 rm -rf $outmnt/boot/PrawnOS-initramfs.cpio.gz