NetBSD/usr.sbin/mopd/common/common.h
thorpej 63e6bdedae Add Elf32 support to mopa.out (which is now quite inappropriately
named; a future commit will rename it).

Thanks to uwe@netbsd.org for testing the resulting MOP image for me.

Fixes port-vax/16867.
2002-06-06 22:52:25 +00:00

121 lines
4.5 KiB
C

/* $NetBSD: common.h,v 1.6 2002/06/06 22:52:25 thorpej Exp $ */
/*
* Copyright (c) 1993-95 Mats O Jansson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mats O Jansson.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: common.h,v 1.6 2002/06/06 22:52:25 thorpej Exp $
*
*/
#ifndef _COMMON_H_
#define _COMMON_H_
#define MAXDL 16 /* maximum number concurrent load */
#define IFNAME_SIZE 32 /* maximum size if interface name */
#define BUFSIZE 1600 /* main receive buffer size */
#define HDRSIZ 22 /* room for 803.2 header */
#ifndef MOP_FILE_PATH
#define MOP_FILE_PATH "/tftpboot/mop"
#endif
#define DEBUG_ONELINE 1
#define DEBUG_HEADER 2
#define DEBUG_INFO 3
/*
* structure per interface
*
*/
struct if_info {
int fd; /* File Descriptor */
int trans; /* Transport type Ethernet/802.3 */
u_char eaddr[6]; /* Ethernet addr of this interface */
char if_name[IFNAME_SIZE]; /* Interface Name */
int (*iopen) __P((char *, int, u_short, int));
/* Interface Open Routine */
int (*write) __P((int, u_char *, int, int));
/* Interface Write Routine */
void (*read) __P((void)); /* Interface Read Routine */
struct if_info *next; /* Next Interface */
};
#define DL_STATUS_FREE 0
#define DL_STATUS_READ_IMGHDR 1
#define DL_STATUS_SENT_MLD 2
#define DL_STATUS_SENT_PLT 3
typedef enum {
IMAGE_TYPE_MOP, /* MOP image */
IMAGE_TYPE_AOUT, /* a.out image */
IMAGE_TYPE_ELF32 /* Elf32 image */
} mopd_imagetype;
struct dllist {
u_char status; /* Status byte */
struct if_info *ii; /* interface pointer */
u_char eaddr[6]; /* targets ethernet addres */
int ldfd; /* filedescriptor for loadfile */
u_short dl_bsz; /* Data Link Buffer Size */
int timeout; /* Timeout counter */
u_char count; /* Packet Counter */
u_int32_t loadaddr; /* Load Address */
u_int32_t xferaddr; /* Transfer Address */
u_int32_t nloadaddr; /* Next Load Address */
off_t lseek; /* Seek before last read */
mopd_imagetype image_type; /* what type of image is it? */
/* For Elf32 files */
int e_machine; /* Machine ID */
int e_nsec; /* number of program sections */
#define SEC_MAX 4
struct {
off_t s_foff; /* file offset of section */
u_int32_t s_vaddr; /* virtual address of section */
u_int32_t s_fsize; /* file size of section */
u_int32_t s_msize; /* memory size of section */
u_int32_t s_pad; /* padding until next section */
u_int32_t s_loff; /* logical offset into image */
} e_sections[SEC_MAX]; /* program sections */
u_int32_t e_curpos; /* current logical position */
int e_cursec; /* current section */
/* For a.out files */
int a_mid; /* Machine ID */
u_int32_t a_text; /* Size of text segment */
u_int32_t a_text_fill; /* Size of text segment fill */
u_int32_t a_data; /* Size of data segment */
u_int32_t a_data_fill; /* Size of data segment fill */
u_int32_t a_bss; /* Size of bss segment */
u_int32_t a_bss_fill; /* Size of bss segment fill */
off_t a_lseek; /* Keep track of pos in newfile */
};
#endif /* _COMMON_H_ */