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https://github.com/dreamlayers/netbsd-mopd.git
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b2226e44e0
Ultrix 4.00 netload requires transfers to end with Memory Load with Transfer Address. The load address must be present, though image data doesn't have to be present.
117 lines
4.2 KiB
C
117 lines
4.2 KiB
C
/* $NetBSD: common.h,v 1.9 2011/08/30 19:49:10 joerg Exp $ */
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/*
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* Copyright (c) 1993-95 Mats O Jansson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $NetBSD: common.h,v 1.9 2011/08/30 19:49:10 joerg Exp $
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*
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*/
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#ifndef _COMMON_H_
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#define _COMMON_H_
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#define MAXDL 16 /* maximum number concurrent load */
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#define IFNAME_SIZE 32 /* maximum size if interface name */
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#define BUFSIZE 1600 /* main receive buffer size */
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#define HDRSIZ 22 /* room for 803.2 header */
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#ifndef MOP_FILE_PATH
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#define MOP_FILE_PATH "/tftpboot/mop"
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#endif
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#define DEBUG_ONELINE 1
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#define DEBUG_HEADER 2
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#define DEBUG_INFO 3
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/*
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* structure per interface
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*
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*/
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struct if_info {
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int fd; /* File Descriptor */
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int trans; /* Transport type Ethernet/802.3 */
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u_char eaddr[6]; /* Ethernet addr of this interface */
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char if_name[IFNAME_SIZE]; /* Interface Name */
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int (*iopen)(const char *, int, u_short, int);
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/* Interface Open Routine */
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int (*write)(int, const u_char *, int, int);
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/* Interface Write Routine */
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void (*read)(void); /* Interface Read Routine */
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struct if_info *next; /* Next Interface */
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};
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#define DL_STATUS_FREE 0
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#define DL_STATUS_READ_IMGHDR 1
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#define DL_STATUS_SENT_MLD 2
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#define DL_STATUS_SENT_PLT 3
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typedef enum {
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IMAGE_TYPE_MOP, /* MOP image */
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IMAGE_TYPE_AOUT, /* a.out image */
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IMAGE_TYPE_ELF32 /* Elf32 image */
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} mopd_imagetype;
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struct dllist {
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u_char status; /* Status byte */
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struct if_info *ii; /* interface pointer */
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u_char eaddr[6]; /* targets ethernet addres */
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int ldfd; /* filedescriptor for loadfile */
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u_short dl_bsz; /* Data Link Buffer Size */
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int timeout; /* Timeout counter */
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u_char count; /* Packet Counter */
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u_int32_t loadaddr; /* Load Address */
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u_int32_t xferaddr; /* Transfer Address */
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u_int32_t nloadaddr; /* Next Load Address */
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off_t lseek; /* Seek before last read */
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int endcode; /* MOP command to end with */
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mopd_imagetype image_type; /* what type of image is it? */
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/* For Elf32 files */
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int e_machine; /* Machine ID */
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int e_nsec; /* number of program sections */
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#define SEC_MAX 4
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struct {
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off_t s_foff; /* file offset of section */
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u_int32_t s_vaddr; /* virtual address of section */
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u_int32_t s_fsize; /* file size of section */
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u_int32_t s_msize; /* memory size of section */
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u_int32_t s_pad; /* padding until next section */
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u_int32_t s_loff; /* logical offset into image */
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} e_sections[SEC_MAX]; /* program sections */
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u_int32_t e_curpos; /* current logical position */
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int e_cursec; /* current section */
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/* For a.out files */
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int a_mid; /* Machine ID */
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u_int32_t a_text; /* Size of text segment */
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u_int32_t a_text_fill; /* Size of text segment fill */
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u_int32_t a_data; /* Size of data segment */
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u_int32_t a_data_fill; /* Size of data segment fill */
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u_int32_t a_bss; /* Size of bss segment */
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u_int32_t a_bss_fill; /* Size of bss segment fill */
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off_t a_lseek; /* Keep track of pos in newfile */
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};
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#endif /* _COMMON_H_ */
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