Add support for qemuarm/64 machines with EFI

Fixes #667 (closed) Fixes docs#126 (closed)

TODO (do not merge if any pending):

• update docs
• mention new machines in build templates
• upstream edk2 and grub/grub-efi fixes - #766
• upstream the machines - #767 (closed)
• ci
• add ci jobs docs - #765
• drop unsupported machines from everywhere in this repo (qemuarm, qemuarm64, generic...)
• cleanup machine defconfigs - #770 (closed)

meta-oniro-core/recipes-bsp/grub/files/grub.cfg

@@ -33,24 +33,25 @@ echo "note: loaded SYSOTA_BOOT_ACTIVE=$SYSOTA_BOOT_ACTIVE SYSOTA_BOOT_TRY=$SYSOT
 # Recover active slot if the file is corrupted.
 if [ -z "$SYSOTA_BOOT_ACTIVE" ]; then
     echo "warning: SYSOTA_BOOT_ACTIVE is unset, attempting recovery"
-    if [ -e "(hd0,gpt2)/boot/bzImage" -a -e "(hd0,gpt3)/boot/bzImage" ]; then
+    if [ -e "(hd0,gpt2)/boot/@KERNEL_IMAGETYPE@" -a -e "(hd0,gpt3)/boot/@KERNEL_IMAGETYPE@" ]; then
         # Both slots are available, pick the more recent slot.
         # TODO: handle rollback prevention flags (how?)
-        if [ "(hd0,gpt2)/boot/bzImage" -nt "(hd0,gpt3)/boot/bzImage" ]; then
+        if [ "(hd0,gpt2)/boot/@KERNEL_IMAGETYPE@" -nt "(hd0,gpt3)/boot/@KERNEL_IMAGETYPE@" ]; then
             echo "note: recovered SYSOTA_BOOT_ACTIVE=A (slot A kernel is newer than slot B)"
             set SYSOTA_BOOT_ACTIVE="A"
         else
             echo "note: recovered SYSOTA_BOOT_ACTIVE=B (slot B kernel is newer than slot A)"
             set SYSOTA_BOOT_ACTIVE="B"
         fi
-    elif [ -e "(hd0,gpt2)/boot/bzImage" ]; then
+    elif [ -e "(hd0,gpt2)/boot/@KERNEL_IMAGETYPE@" ]; then
         echo "note: recovered SYSOTA_BOOT_ACTIVE=A"
         set SYSOTA_BOOT_ACTIVE="A"
-    elif [ -e "(hd0,gpt3)/boot/bzImage" ]; then
+    elif [ -e "(hd0,gpt3)/boot/@KERNEL_IMAGETYPE@" ]; then
         echo "note: recovered SYSOTA_BOOT_ACTIVE=B"
         set SYSOTA_BOOT_ACTIVE="B"
     else
         echo "error: cannot recover GRUB environment block: both slots are corrupted, halting"
+        shell
         halt
     fi
 
@@ -81,9 +82,9 @@ fi
 # https://gitlab.eclipse.org/eclipse/oniro-core/sysota/-/wikis/Boot%20Assets%20Specification#efigrub
 if [ "$SLOT" == "A" ]; then
     # TODO pass root partition by partuuid.
-    linux "(hd0,gpt2)/boot/bzImage" root=/dev/sda2 rauc.slot=A $CMDLINE
+    linux "(hd0,gpt2)/boot/@KERNEL_IMAGETYPE@" root=/dev/sda2 rauc.slot=A $CMDLINE
 elif [ "$SLOT" == "B" ]; then
-    linux "(hd0,gpt3)/boot/bzImage" root=/dev/sda3 rauc.slot=B $CMDLINE
+    linux "(hd0,gpt3)/boot/@KERNEL_IMAGETYPE@" root=/dev/sda3 rauc.slot=B $CMDLINE
 else
     echo "error: cannot select slot to boot from, halting"
     halt