!
! runtime.inc  -  constants for runtime module
!
! Copyright (C) 1997-2003 Gero Kuhlmann   <gero@gkminix.han.de>
!
!  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.
!
! $Id: runtime.inc,v 1.4 2003/01/25 23:29:44 gkminix Exp $
!
!**************************************************************************
!
! Vendor information for the boot rom image. These values have to be
! identical to those in mknbi.h.
!
#define VENDOR_MAGIC	"GK-mknbi-mgl"	! vendor ID
#define VENDOR_SIZE	3		! size of vendor ID in dwords

#define VENDOR_RUNTIME	16		! tag for runtime segment



!
!**************************************************************************
!
! The following values have to be identical with those in the C header
! files:
!
DATAOFS			equ	$0008
CMD_FIRSTINT		equ	$0062
MAX_STR_LEN		equ	255
ADDR_SERVERNAME		equ	$0100
ADDR_HOSTNAME		equ	$0200



!
!**************************************************************************
!
! Layout and magic ID of boot rom image header. These values have to
! be identical to those used by the boot rom. See SPEC.DOC of the
! boot rom source for further information.
!
BOOT_MAGIC	equ	$1B031336	! boot image header magic cookie
BOOT_SIZE	equ	512		! total size of boot image header

BOOT_HD_SIZE	equ	4		! size of header in dwords
BOOT_HD_MAGIC	equ	0		! offset for header magic number
BOOT_HD_LENGTH	equ	4		! offset for header length
BOOT_HD_FLAG1	equ	5		! offset for header flag 1
BOOT_HD_FLAG2	equ	6		! offset for header flag 2
BOOT_HD_FLAG3	equ	7		! offset for header flag 3
BOOT_HD_LOCN	equ	8		! offset for header location
BOOT_HD_EXEC	equ	12		! offset for execute address
BOOT_HD_VENDOR	equ	16		! offset for header vendor information

BOOT_LD_SIZE	equ	4		! size of load record in dwords
BOOT_LD_LENGTH	equ	0		! offset for load record length
BOOT_LD_TAG1	equ	1		! offset for load record tag 1
BOOT_LD_TAG2	equ	2		! offset for load record tag 2
BOOT_LD_FLAGS	equ	3		! offset for load record flags
BOOT_LD_ADDR	equ	4		! offset for absolute address
BOOT_LD_ILENGTH	equ	8		! offset for image length
BOOT_LD_MLENGTH	equ	12		! offset for memory length
BOOT_LD_VENDOR	equ	16		! offset for vendor information

BOOT_FLAG_B0	equ	$01		! mask for load record flag B0
BOOT_FLAG_B1	equ	$02		! mask for load record flag B1
BOOT_FLAG_EOF	equ	$04		! mask for load record flag EOF



!
!**************************************************************************
!
! Layout and magic ID of bootp record. Refer to RFC 951, RFC 1048
! and RFC 1533 for further information. The BOOTP record can be
! longer than the standard length as the bootrom might be able to
! load a vendor extension file via tftp.
!
#define BOOTP_MAGIC_RFC	$63, $82, $53, $63	! RFC 1048 vendor ID
#define BOOTP_MAGIC_CMU	$43, $4D, $55, $00	! CMU vendor ID
#define BOOTP_MAGIC_STA	$53, $54, $41, $4E	! Stanford vendor ID
#define BOOTP_MAGIC_LEN	4			! length of vendor ID

BOOTP_REQUEST	equ	1		! bootp OP-code
BOOTP_REPLY	equ	2

BOOTP_OP	equ	0		! offset to bootp OP-code
BOOTP_SERVER	equ	20		! offset to server address
BOOTP_SNAME	equ	44		! offset to server name
BOOTP_FNAME	equ	108		! offset to image file name
BOOTP_VEND	equ	236		! offset to vendor information
BOOTP_SIZE	equ	300		! size of complete bootp record

BOOTP_MAX_SNAME	equ	64		! max size of server name
BOOTP_MAX_FNAME	equ	128		! max size of image file name
BOOTP_MAX_SIZE	equ	2048		! max size of bootp per Spec.doc

BOOTP_RFC_NOP	equ	0		! RFC vendor tag for NO-OP
BOOTP_RFC_ROUTE	equ	3		! RFC vendor tag for gateway address
BOOTP_RFC_HOST	equ	12		! RFC vendor tag for host name
BOOTP_RFC_END	equ	255		! RFC vendor tag for end of record