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From d33045ce7ffcb7c1e4a60c14d5ca64b36e3c5abe Mon Sep 17 00:00:00 2001
From: Fu Wei <fu.wei@linaro.org>
Date: Sun, 14 May 2017 15:43:46 +0800
Subject: [PATCH 040/216] util/grub.d/20_linux_xen.in: Add xen_boot command
 support for aarch64

This patch adds the support of xen_boot command for aarch64:
    xen_hypervisor
    xen_module
These two commands are only for aarch64, since it has its own protocol and
commands to boot xen hypervisor and Dom0, but not multiboot.

For other architectures, they are still using multiboot and module
commands.

Signed-off-by: Fu Wei <fu.wei@linaro.org>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
---
 util/grub.d/20_linux_xen.in | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/util/grub.d/20_linux_xen.in b/util/grub.d/20_linux_xen.in
index c48af948d6e..c002fc9f946 100644
--- a/util/grub.d/20_linux_xen.in
+++ b/util/grub.d/20_linux_xen.in
@@ -122,16 +122,16 @@ linux_entry ()
         else
             xen_rm_opts="no-real-mode edd=off"
         fi
-	multiboot	${rel_xen_dirname}/${xen_basename} placeholder ${xen_args} \${xen_rm_opts}
+	${xen_loader}	${rel_xen_dirname}/${xen_basename} placeholder ${xen_args} \${xen_rm_opts}
 	echo	'$(echo "$lmessage" | grub_quote)'
-	module	${rel_dirname}/${basename} placeholder root=${linux_root_device_thisversion} ro ${args}
+	${module_loader}	${rel_dirname}/${basename} placeholder root=${linux_root_device_thisversion} ro ${args}
 EOF
   if test -n "${initrd}" ; then
     # TRANSLATORS: ramdisk isn't identifier. Should be translated.
     message="$(gettext_printf "Loading initial ramdisk ...")"
     sed "s/^/$submenu_indentation/" << EOF
 	echo	'$(echo "$message" | grub_quote)'
-	module	--nounzip   ${rel_dirname}/${initrd}
+	${module_loader}	--nounzip   ${rel_dirname}/${initrd}
 EOF
   fi
   sed "s/^/$submenu_indentation/" << EOF
@@ -206,6 +206,14 @@ while [ "x${xen_list}" != "x" ] ; do
     if [ "x$is_top_level" != xtrue ]; then
 	echo "	submenu '$(gettext_printf "Xen hypervisor, version %s" "${xen_version}" | grub_quote)' \$menuentry_id_option 'xen-hypervisor-$xen_version-$boot_device_id' {"
     fi
+    $grub_file --is-arm64-efi $current_xen
+    if [ $? -ne 0 ]; then
+	xen_loader="multiboot"
+	module_loader="module"
+    else
+	xen_loader="xen_hypervisor"
+	module_loader="xen_module"
+    fi
     while [ "x$list" != "x" ] ; do
 	linux=`version_find_latest $list`
 	gettext_printf "Found linux image: %s\n" "$linux" >&2
-- 
2.15.0