* Copyright (c) 1988 The Regents of the University of California.
* This code is derived from software contributed to Berkeley by
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
"@(#) Copyright (c) 1988 The Regents of the University of California.\n\
static char sccsid
[] = "@(#)enpload.c 5.2 (Berkeley) %G%";
* CMC Ethernet ``Microcode'' Loader.
#include <tahoeif/if_enpreg.h>
int enp
= -1, fd
, first
= 1, nostart
= 0;
enp
= open(dev
= argv
[0], O_RDWR
);
fprintf(stderr
, "enpload: ");
for (; argc
> 0; argc
--, argv
++) {
if (strcmp(argv
[0], "-s") == 0 || strcmp(argv
[0], "-S") == 0) {
* Reset device before first file is loaded.
if (ioctl(enp
, ENPIORESET
) < 0) {
fprintf(stderr
, "enpload: %s: ", dev
);
perror("ioctl (ENPIORESET)");
if ((fd
= open(argv
[0], O_RDONLY
)) < 0) {
fprintf(stderr
, "enpload: "), perror(argv
[0]);
enpload(enp
, fd
, argv
[0]);
if (enp
!= -1 && !nostart
&& ioctl(enp
, ENPIOGO
) < 0) {
fprintf(stderr
, "enpload: ");
perror("ioctl (ENPIOGO)");
#define RELO 0x03FFFF /* relocation offset */
#define ENPMSTART 0x0 /* start of memory */
#define BSIZE 512 /* buffer size */
enpload(enp
, fd
, filename
)
if (read(fd
, &hdr
, sizeof (hdr
)) != sizeof (hdr
)) {
fprintf(stderr
, "enpload: %s: Read short (header).\n",
fprintf(stderr
, "enpload: %s: Bad magic number.\n", filename
);
size
= hdr
.a_text
+ hdr
.a_data
;
lstart
= (ENPMSTART
+ (hdr
.a_entry
& RELO
)) - 0x1000;
printf("%s: Loading %s...", dev
, filename
);
(void) lseek(enp
, lstart
+ size
, L_SET
);
while (hdr
.a_bss
>= BSIZE
) {
if (write(enp
, zbuf
, BSIZE
) != BSIZE
) {
fprintf(stderr
, "enpload: Bss write error.\n");
if (hdr
.a_bss
> 0 && write(enp
, zbuf
, hdr
.a_bss
) != hdr
.a_bss
) {
fprintf(stderr
, "enpload: Bss write error.\n");
(void) lseek(enp
, lstart
, L_SET
);
cnt
= read(fd
, buff
, BSIZE
);
if (write(enp
, buff
, cnt
) != cnt
) {
fprintf(stderr
, "enpload: Write error.\n");
cnt
= read(fd
, buff
, size
);
if (write(enp
, buff
, cnt
) != cnt
) {
fprintf(stderr
, "enpload: Write error.\n");