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[PATCH 1/3] arm64: add grub_xen_boot env to indicate that we have xen_*
From: |
fu . wei |
Subject: |
[PATCH 1/3] arm64: add grub_xen_boot env to indicate that we have xen_* commands |
Date: |
Thu, 25 Feb 2016 02:01:39 +0800 |
From: Fu Wei <address@hidden>
Signed-off-by: Fu Wei <address@hidden>
---
grub-core/loader/arm64/xen_boot.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/grub-core/loader/arm64/xen_boot.c
b/grub-core/loader/arm64/xen_boot.c
index 8ae43d7..ef03111 100644
--- a/grub-core/loader/arm64/xen_boot.c
+++ b/grub-core/loader/arm64/xen_boot.c
@@ -20,6 +20,7 @@
#include <grub/charset.h>
#include <grub/command.h>
#include <grub/err.h>
+#include <grub/env.h>
#include <grub/file.h>
#include <grub/fdt.h>
#include <grub/list.h>
@@ -490,10 +491,17 @@ GRUB_MOD_INIT (xen_boot)
grub_register_command ("xen_module", grub_cmd_xen_module, 0,
N_("Load a xen module."));
my_mod = mod;
+
+/* setup a env to indicate that
+ * we have xen_* commands.
+ */
+ grub_env_set ("grub_xen_boot", "y");
+ grub_env_export ("grub_xen_boot");
}
GRUB_MOD_FINI (xen_boot)
{
grub_unregister_command (cmd_xen_hypervisor);
grub_unregister_command (cmd_xen_module);
+ grub_env_unset ("grub_xen_boot");
}
--
2.5.0