diff options
| -rw-r--r-- | src/core/abft.c | 60 | ||||
| -rw-r--r-- | src/include/gpxe/abft.h | 35 | ||||
| -rw-r--r-- | src/usr/aoeboot.c | 3 |
3 files changed, 98 insertions, 0 deletions
diff --git a/src/core/abft.c b/src/core/abft.c new file mode 100644 index 00000000..af28bbcf --- /dev/null +++ b/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 ) ); +} diff --git a/src/include/gpxe/abft.h b/src/include/gpxe/abft.h new file mode 100644 index 00000000..1c651ef1 --- /dev/null +++ b/src/include/gpxe/abft.h @@ -0,0 +1,35 @@ +#ifndef _GPXE_ABFT_H +#define _GPXE_ABFT_H + +/** @file + * + * AoE boot firmware table + * + */ + +#include <stdint.h> +#include <gpxe/acpi.h> +#include <gpxe/if_ether.h> + +/** AoE boot firmware table signature */ +#define ABFT_SIG "aBFT" + +/** + * AoE Boot Firmware Table (aBFT) + */ +struct abft_table { + /** ACPI header */ + struct acpi_description_header acpi; + /** AoE shelf */ + uint16_t shelf; + /** AoE slot */ + uint8_t slot; + /** Reserved */ + uint8_t reserved_a; + /** MAC address */ + uint8_t mac[ETH_ALEN]; +} __attribute__ (( packed )); + +extern void abft_fill_data ( struct aoe_session *aoe ); + +#endif /* _GPXE_ABFT_H */ diff --git a/src/usr/aoeboot.c b/src/usr/aoeboot.c index 1ed4ce49..ffc17a1c 100644 --- a/src/usr/aoeboot.c +++ b/src/usr/aoeboot.c @@ -6,6 +6,7 @@ #include <gpxe/ata.h> #include <gpxe/netdevice.h> #include <gpxe/dhcp.h> +#include <gpxe/abft.h> #include <int13.h> #include <usr/aoeboot.h> @@ -82,6 +83,8 @@ int aoeboot ( const char *root_path ) { boot_info.slot = aoe->minor; copy_to_real ( 0x40, 0xf0, &boot_info, sizeof ( boot_info ) ); + abft_fill_data ( aoe ); + drive.drive = find_global_dhcp_num_option ( DHCP_EB_BIOS_DRIVE ); drive.blockdev = &ata.blockdev; |