fix zram in chrome os

README.md

@@ -23,6 +23,7 @@ Note that rootfs partitions have to be named `shimboot_rootfs:<partname>` for th
 Driver support depends on the device you are using shimboot on. This list is for the [`dedede`](https://chrome100.dev/board/dedede/) board, which is the only device I was able to do extensive testing on. The `patch_rootfs.sh` script attempts to copy all the firmware from the shim and recovery image into the rootfs, so expect most things to work on other boards.
 
 ### What Works:
+- Booting Chrome OS
 - Systemd
 - X11
 - XFCE
@@ -30,12 +31,12 @@ Driver support depends on the device you are using shimboot on. This list is for
 - Touchscreen
 - 3D acceleration
 - Bluetooth
+- Zram
 - Wifi (partially)
 - Suspend (partially)
 
 ### What Doesn't Work:
 - Audio
-- Zram
 
 ### Development Roadmap:
 - ~~build the image automatically~~

bootloader/bin/bootstrap.sh

@@ -303,12 +303,19 @@ boot_chromeos() {
     mount -o bind /newroot/tmp/empty /sys/class/tpm
   fi
 
+  echo "patching chrome os rootfs"
+  cat /newroot/etc/ui_use_flags.txt | sed "/reven_branding/d" | sed "/os_install_service/d" > /newroot/tmp/ui_use_flags.txt
+  mount -o bind /newroot/tmp/ui_use_flags.txt /newroot/etc/ui_use_flags.txt
+
   echo "moving mounts"
   move_mounts /newroot
 
   echo "switching root"
   mkdir -p /newroot/tmp/bootloader
   pivot_root /newroot /newroot/tmp/bootloader
+
+  echo "starting init"
+  /sbin/modprobe zram
   pkill frecon-lite
   local tty="/dev/pts/0"
   exec /sbin/init < "$tty" >> "$tty" 2>&1