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      1 /*
      2  * Copyright (C) 2007 Michael Brown <mbrown (at) fensystems.co.uk>.
      3  *
      4  * This program is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU General Public License as
      6  * published by the Free Software Foundation; either version 2 of the
      7  * License, or any later version.
      8  *
      9  * This program is distributed in the hope that it will be useful, but
     10  * WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU General Public License
     15  * along with this program; if not, write to the Free Software
     16  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
     17  */
     18 
     19 FILE_LICENCE ( GPL2_OR_LATER );
     20 
     21 #include <realmode.h>
     22 #include <gpxe/aoe.h>
     23 #include <gpxe/netdevice.h>
     24 #include <gpxe/abft.h>
     25 
     26 /** @file
     27  *
     28  * AoE Boot Firmware Table
     29  *
     30  */
     31 
     32 #define abftab __use_data16 ( abftab )
     33 /** The aBFT used by gPXE */
     34 struct abft_table __data16 ( abftab ) __attribute__ (( aligned ( 16 ) )) = {
     35 	/* ACPI header */
     36 	.acpi = {
     37 		.signature = ABFT_SIG,
     38 		.length = sizeof ( abftab ),
     39 		.revision = 1,
     40 		.oem_id = "FENSYS",
     41 		.oem_table_id = "gPXE",
     42 	},
     43 };
     44 
     45 /**
     46  * Fill in all variable portions of aBFT
     47  *
     48  * @v aoe		AoE session
     49  */
     50 void abft_fill_data ( struct aoe_session *aoe ) {
     51 
     52 	/* Fill in boot parameters */
     53 	abftab.shelf = aoe->major;
     54 	abftab.slot = aoe->minor;
     55 	memcpy ( abftab.mac, aoe->netdev->ll_addr, sizeof ( abftab.mac ) );
     56 
     57 	/* Update checksum */
     58 	acpi_fix_checksum ( &abftab.acpi );
     59 
     60 	DBG ( "AoE boot firmware table:\n" );
     61 	DBG_HD ( &abftab, sizeof ( abftab ) );
     62 }
     63