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diff --git a/qemu/roms/ipxe/src/core/debug_md5.c b/qemu/roms/ipxe/src/core/debug_md5.c
new file mode 100644
index 000000000..f049ac757
--- /dev/null
+++ b/qemu/roms/ipxe/src/core/debug_md5.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2006 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.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdio.h>
+#include <stdint.h>
+#include <ipxe/crypto.h>
+#include <ipxe/md5.h>
+
+/**
+ * Print an MD5 checksum with specified display address
+ *
+ * @v dispaddr		Display address
+ * @v data		Data to checksum
+ * @v len		Length of data
+ */
+void dbg_md5_da ( unsigned long dispaddr, const void *data,
+		  unsigned long len ) {
+	struct digest_algorithm *digest = &md5_algorithm;
+	uint8_t digest_ctx[digest->ctxsize];
+	uint8_t digest_out[digest->digestsize];
+	unsigned int i;
+
+	printf ( "md5sum ( %#08lx, %#lx ) = ", dispaddr, len );
+	digest_init ( digest, digest_ctx );
+	digest_update ( digest, digest_ctx, data, len );
+	digest_final ( digest, digest_ctx, digest_out );
+	for ( i = 0 ; i < sizeof ( digest_out ) ; i++ )
+		printf ( "%02x", digest_out[i] );
+	printf ( "\n" );
+}