added EFI 32bit support via GRUB2-expanded all the config with variables

packages/sysutils/busybox/scripts/init

@@ -53,6 +53,7 @@
   RUN_FSCK="yes"
   RUN_FSCK_DISKS=""
   SYSLINUX_DEFAULT=""
+  GRUB_DEFAULT=""
 
   NBD_DEVS="0"
   FLASH_FREE_MIN="5"
@@ -153,6 +154,13 @@
       portable)
         SYSLINUX_DEFAULT="run"
         ;;
+      grub_live)
+        LIVE=yes
+        GRUB_DEFAULT="\"Live\""
+        ;;
+      grub_portable)
+        GRUB_DEFAULT="\"Run\""
+        ;;
       overlay)
         OVERLAY=yes
         ;;
@@ -716,6 +724,20 @@
         fi
       fi
     fi
+
+    if [ -n "$GRUB_DEFAULT" -a -f /flash/grub.cfg ]; then
+      if grep -q "^menuentry $GRUB_DEFAULT" /flash/grub.cfg; then
+        crnt_default="$(awk '/^set default/ {print substr($2,9,19)}' /flash/grub.cfg)"
+        if [ ! "$crnt_default" = "$GRUB_DEFAULT" ]; then
+          progress "Updating /flash/grub.cfg [$crnt_default -> $GRUB_DEFAULT]"
+
+          mount -o remount,rw /flash
+          sed -i "s/^set default=.*/set default=$GRUB_DEFAULT/" /flash/grub.cfg
+          [ -f /flash/EFI/BOOT/grub.cfg ] && cp /flash/grub.cfg /flash/EFI/BOOT/grub.cfg
+          mount -o remount,ro /flash
+        fi
+      fi
+    fi
   }
 
   check_out_of_space() {

packages/tools/grub/config/grub-postinstall.cfg

@@ -1,8 +0,0 @@
-GRUB_SAVEDEFAULT=true
-set timeout="0"
-set default="0"
-
-menuentry "LibreELEC"{
-	search --set -f /KERNEL
-	linux /KERNEL boot=LABEL=System disk=LABEL=Storage quiet
-}

packages/tools/grub/config/grub.cfg

@@ -1,21 +0,0 @@
-set timeout="5"
-set default="3"
-menuentry "LibreELEC Boot Menu"{
-	set
-}
-menuentry ' '{
-	set
-}
-menuentry "1. Installer"{
-	search --set -f /KERNEL
-	linux /KERNEL boot=LABEL=LIBREELEC installer quiet tty vga=current
-}
-
-menuentry "2. Live"{
-	search --set -f /KERNEL
-	linux /KERNEL boot=LABEL=LIBREELEC live quiet tty vga=current
-}
-menuentry "3. Portable"{
-	search --set -f /KERNEL
-	linux /KERNEL boot=LABEL=LIBREELEC disk=UUID=132e735c-fc99-4639-8138-c8db4f7698b5 portable quiet
-}

packages/tools/grub/package.mk

@@ -58,14 +58,12 @@ makeinstall_target() {
   cd $PKG_BUILD/grub-core
      $PKG_BUILD/grub-mkimage -d . -o bootia32.efi -O i386-efi -p /EFI/BOOT \
                                 boot chain configfile ext2 fat linux search \
-                                efi_gop efi_uga gettext gzio part_gpt \
+                                efi_gop efi_uga part_gpt gzio \
-                                loadenv loadbios memrw
+                                gettext loadenv loadbios memrw
 
   mkdir -p $INSTALL/usr/share/grub
      cp -P $PKG_BUILD/grub-core/bootia32.efi $INSTALL/usr/share/grub
-     cp -P $PKG_DIR/config/grub-postinstall.cfg $INSTALL/usr/share/grub/grub.cfg
 
   mkdir -p $TOOLCHAIN/share/grub
      cp -P $PKG_BUILD/grub-core/bootia32.efi $TOOLCHAIN/share/grub
-     cp -P $PKG_DIR/config/grub.cfg $TOOLCHAIN/share/grub
 }

packages/tools/installer/scripts/installer

@@ -268,6 +268,13 @@ do_install_quick() {
         echo "LABEL linux" >> $TMPDIR/part1/extlinux.conf
         echo " KERNEL /KERNEL" >> $TMPDIR/part1/extlinux.conf
         echo " APPEND boot=LABEL=$DISKLABEL_SYSTEM disk=LABEL=$DISKLABEL_STORAGE $EXTLINUX_PARAMETERS quiet" >> $TMPDIR/part1/extlinux.conf
+        echo "set timeout=\"0\"" > $TMPDIR/part1/grub.cfg
+        echo "set default=\"LibreELEC\"" >> $TMPDIR/part1/grub.cfg
+        echo "" >> $TMPDIR/part1/grub.cfg
+        echo "menuentry \"LibreELEC\" {" >> $TMPDIR/part1/grub.cfg
+        echo "	search --set -f /KERNEL" >> $TMPDIR/part1/grub.cfg
+        echo "	linux /KERNEL boot=LABEL=$DISKLABEL_SYSTEM disk=LABEL=$DISKLABEL_STORAGE quiet" >> $TMPDIR/part1/grub.cfg
+        echo "}" >> $TMPDIR/part1/grub.cfg
         # uefi boot / hybrid mode
         if [ "$UEFI" = "1" ]; then
           mv $TMPDIR/part1/extlinux.conf $TMPDIR/part1/syslinux.cfg
@@ -275,9 +282,9 @@ do_install_quick() {
           cp $TMPDIR/part1/syslinux.cfg $TMPDIR/part1/EFI/BOOT
           cp /usr/share/syslinux/bootx64.efi $TMPDIR/part1/EFI/BOOT
           cp /usr/share/syslinux/ldlinux.e64 $TMPDIR/part1/EFI/BOOT
+          cp $TMPDIR/part1/grub.cfg $TMPDIR/part1/EFI/BOOT
           cp /usr/share/grub/bootia32.efi $TMPDIR/part1/EFI/BOOT
-          cp /usr/share/grub/grub.cfg $TMPDIR/part1/EFI/BOOT
+        fi
-	fi
         sync
 
         # umount system partition, remove mountpoint

scripts/mkimage

@@ -147,7 +147,25 @@ LABEL run
   APPEND boot=UUID=$UUID_SYSTEM disk=UUID=$UUID_STORAGE portable quiet
 EOF
 
+    cat << EOF > "$LE_TMP"/grub.cfg
+set timeout="25"
+set default="Installer"
+menuentry "Installer" {
+	search --set -f /KERNEL
+	linux /KERNEL boot=UUID=$UUID_SYSTEM installer quiet tty vga=current
+}
+menuentry "Live" {
+	search --set -f /KERNEL
+	linux /KERNEL boot=UUID=$UUID_SYSTEM grub_live quiet tty vga=current
+}
+menuentry "Run" {
+	search --set -f /KERNEL
+	linux /KERNEL boot=UUID=$UUID_SYSTEM disk=UUID=$UUID_STORAGE grub_portable quiet
+}
+EOF
+
     mcopy "$LE_TMP/syslinux.cfg" ::
+    mcopy "$LE_TMP/grub.cfg" ::
 
   # install extlinux
     echo "image: installing extlinux to part1..."
@@ -164,8 +182,8 @@ EOF
     mcopy $TOOLCHAIN/share/syslinux/bootx64.efi ::/EFI/BOOT
     mcopy $TOOLCHAIN/share/syslinux/ldlinux.e64 ::/EFI/BOOT
     mcopy $TOOLCHAIN/share/grub/bootia32.efi ::/EFI/BOOT
-    mcopy $TOOLCHAIN/share/grub/grub.cfg ::/EFI/BOOT
     mcopy "$LE_TMP"/syslinux.cfg ::/EFI/BOOT
+    mcopy "$LE_TMP"/grub.cfg ::/EFI/BOOT
 elif [ "$BOOTLOADER" = "bcm2835-bootloader" ]; then
   # create bootloader configuration
     echo "image: creating bootloader configuration..."
@@ -300,10 +318,12 @@ fi # bootloader
     dd if="$DISK" of="${DISK/img/tmp}" bs=1M >"$SAVE_ERROR" 2>&1 || show_error
     # change syslinux default to 'run'
     echo "image: modifying fs on part1 for open virtual appliance..."
-    sed -i "/DEFAULT/ s/installer/run/" "$LE_TMP"/syslinux.cfg
+    sed -i "/DEFAULT/ s/installer/run/" "$LE_TMP"/syslinux.cfg "$LE_TMP"/grub.cfg
     # FIXME: an unalias should work here, but it does not; call mcopy directly
     $TOOLCHAIN/bin/mcopy -i $LE_TMP/part1.fat -o "$LE_TMP"/syslinux.cfg ::/EFI/BOOT
     $TOOLCHAIN/bin/mcopy -i $LE_TMP/part1.fat -o "$LE_TMP"/syslinux.cfg ::
+$TOOLCHAIN/bin/mcopy -i $LE_TMP/part1.fat -o "$LE_TMP"/grub.cfg ::/EFI/BOOT
+    $TOOLCHAIN/bin/mcopy -i $LE_TMP/part1.fat -o "$LE_TMP"/grub.cfg ::
     sync
     # merge modified part1 back to tmp disk image
     echo "image: merging part1 back to open virtual appliance..."