Added support for draft version of the AoE Boot Firmware Table.

src/core/abft.c

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2007 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <realmode.h>
+#include <gpxe/aoe.h>
+#include <gpxe/netdevice.h>
+#include <gpxe/abft.h>
+
+/** @file
+ *
+ * AoE Boot Firmware Table
+ *
+ */
+
+#define abftab __use_data16 ( abftab )
+/** The aBFT used by gPXE */
+struct abft_table __data16 ( abftab ) __attribute__ (( aligned ( 16 ) )) = {
+	/* ACPI header */
+	.acpi = {
+		.signature = ABFT_SIG,
+		.length = sizeof ( abftab ),
+		.revision = 1,
+		.oem_id = "FENSYS",
+		.oem_table_id = "gPXE",
+	},
+};
+
+/**
+ * Fill in all variable portions of aBFT
+ *
+ * @v aoe		AoE session
+ */
+void abft_fill_data ( struct aoe_session *aoe ) {
+
+	/* Fill in boot parameters */
+	abftab.shelf = aoe->major;
+	abftab.slot = aoe->minor;
+	memcpy ( abftab.mac, aoe->netdev->ll_addr, sizeof ( abftab.mac ) );
+
+	/* Update checksum */
+	acpi_fix_checksum ( &abftab.acpi );
+
+	DBG ( "AoE boot firmware table:\n" );
+	DBG_HD ( &abftab, sizeof ( abftab ) );
+}