2 files changed, 69 insertions, 2 deletions

diff --git a/src/usr/imgmgmt.c b/src/usr/imgmgmt.c
index b7fc8293d..92bf236f9 100644
--- a/src/usr/imgmgmt.c
+++ b/src/usr/imgmgmt.c
@@ -156,15 +156,21 @@ int imgacquire ( const char *name_uri, unsigned long timeout,
  * @v image		Executable/loadable image
  */
 void imgstat ( struct image *image ) {
+	struct image_tag *tag;
+
 	printf ( "%s : %zd bytes", image->name, image->len );
 	if ( image->type )
 		printf ( " [%s]", image->type->name );
+	for_each_table_entry ( tag, IMAGE_TAGS ) {
+		if ( tag->image == image )
+			printf ( " [%s]", tag->name );
+	}
 	if ( image->flags & IMAGE_TRUSTED )
 		printf ( " [TRUSTED]" );
-	if ( image->flags & IMAGE_SELECTED )
-		printf ( " [SELECTED]" );
 	if ( image->flags & IMAGE_AUTO_UNREGISTER )
 		printf ( " [AUTOFREE]" );
+	if ( image->flags & IMAGE_HIDDEN )
+		printf ( " [HIDDEN]" );
 	if ( image->cmdline )
 		printf ( " \"%s\"", image->cmdline );
 	printf ( "\n" );
diff --git a/src/usr/shimmgmt.c b/src/usr/shimmgmt.c
new file mode 100644
index 000000000..6ac1ac35e
--- /dev/null
+++ b/src/usr/shimmgmt.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2023 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <ipxe/efi/efi.h>
+#include <ipxe/efi/efi_shim.h>
+#include <usr/shimmgmt.h>
+
+/** @file
+ *
+ * EFI shim management
+ *
+ */
+
+/**
+ * Set shim image
+ *
+ * @v image		Shim image, or NULL to clear shim
+ * @v require_loader	Require use of a third party loader
+ * @v allow_pxe		Allow use of PXE base code
+ * @v allow_sbat	Allow SBAT variable access
+ * @ret rc		Return status code
+ */
+int shim ( struct image *image, int require_loader, int allow_pxe,
+	   int allow_sbat ) {
+
+	/* Record (or clear) shim image */
+	image_tag ( image, &efi_shim );
+
+	/* Avoid including image in constructed initrd */
+	if ( image )
+		image_hide ( image );
+
+	/* Record configuration */
+	efi_shim_require_loader = require_loader;
+	efi_shim_allow_pxe = allow_pxe;
+	efi_shim_allow_sbat = allow_sbat;
+
+	return 0;
+}