Re-enable updates of the system

- run che system, get a shell, shutdown, quit qemu nicely
- add kernel config to build a working kernel for qemu

fs_shell/etc/fstab

@@ -1,5 +1,5 @@
 proc            /proc           proc    defaults          0       0
-/dev/mmcblk0p1  /boot           vfat    rw,defaults          0       0
-/dev/mmcblk0p2  /               ext4    rw,defaults,noatime  0       0
+/dev/sda1  /boot           vfat    rw,defaults          0       1
+/dev/sda2  /               ext4    rw,defaults,noatime  0       1
 tmpfs   /tmp    tmpfs  rw,size=64M,noexec,nodev,nosuid,mode=1777   0  0
 # a swapfile is not a swap partition, so no using swapon|off from here on, use  dphys-swapfile swap[on|off]  for that

fs_shell/etc/rc.local

@@ -1,20 +1,18 @@
 #!/bin/bash
 
-set -e
-
 cleanup(){
     apt-get autoremove -y
     apt-get autoclean -y
     apt-get clean -y
 
-    /sbin/shutdown -h now
+    /sbin/shutdown -P -h now
 }
 
 
-trap TERM EXIT
+trap cleanup INT TERM EXIT
 
 apt-get update -y
-apt-get dist-upgrade
+apt-get dist-upgrade -y
 
 
 /bin/bash

get_shell.exp

@@ -0,0 +1,19 @@
+#!/usr/bin/expect -f
+
+set timeout -1
+
+spawn qemu-system-arm -kernel tests/140509-kernel -cpu arm1176 -m 256 -M versatilepb \
+    -append "root=/dev/sda2 panic=1 rootfstype=ext4 rw console=ttyAMA0 console=ttyS0" \
+    -drive file=[lindex $argv 0],index=0,media=disk \
+    -monitor telnet:localhost:4444,server,nowait \
+    -nographic
+
+expect "root@raspberrypi:/#"
+
+interact +++ return
+
+send "\r"
+
+expect "reboot: System halted"
+
+send "echo quit | telnet localhost 4444"

get_shell.sh

@@ -11,7 +11,6 @@ if [ "$(id -u)" != "0" ]; then
 fi
 
 set -e
-set -x
 
 ./mount_image.sh ./copy_force_shell.sh
 
@@ -34,9 +33,6 @@ mount -o loop,offset=${OFFSET_ROOTFS} ${IMAGE} ${SETUP_DIR}
 mv ${SETUP_DIR}/etc/ld.so.preload ${SETUP_DIR}/etc/ld.so.preload_bkp
 umount ${SETUP_DIR}
 
-qemu-system-arm -kernel tests/kernel-qemu -cpu arm1176 -m 256 -M versatilepb \
-    -append "root=/dev/sda2 panic=1 rootfstype=ext4 rw console=ttyAMA0 console=ttyS0" \
-    -drive file=${IMAGE},index=0,media=disk \
-    -nographic
+./get_shell.exp ${IMAGE}