/* Program to load an image into the SPARClite monitor board via Ethernet
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/* Program to load an image into the SPARClite monitor board via Ethernet
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Copyright 1993 Free Software Foundation, Inc.
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Copyright 1993 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Call with:
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/* Call with:
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|
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eload PROG HOSTNAME
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eload PROG HOSTNAME
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|
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(HOSTNAME is the name (or IP address) of your eval board)
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(HOSTNAME is the name (or IP address) of your eval board)
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|
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ie: eload hello sparky
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ie: eload hello sparky
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*/
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*/
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#include <stdio.h>
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#include <stdio.h>
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|
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#include "ansidecl.h"
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#include "ansidecl.h"
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#ifdef ANSI_PROTOTYPES
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#ifdef ANSI_PROTOTYPES
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#include <stdarg.h>
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#include <stdarg.h>
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#else
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#else
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#include <varargs.h>
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#include <varargs.h>
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#endif
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#endif
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|
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#include "libiberty.h"
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#include "libiberty.h"
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#include "bfd.h"
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#include "bfd.h"
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|
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#include <errno.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <termios.h>
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#include <termios.h>
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#include <unistd.h>
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#include <unistd.h>
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|
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#include <sys/types.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <netdb.h>
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#include <sys/socket.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/in.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <sys/time.h>
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#include <sys/time.h>
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|
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#define min(A, B) (((A) < (B)) ? (A) : (B))
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#define min(A, B) (((A) < (B)) ? (A) : (B))
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/* Where the code goes by default. */
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/* Where the code goes by default. */
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#ifndef LOAD_ADDRESS
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#ifndef LOAD_ADDRESS
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#define LOAD_ADDRESS 0x40000000
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#define LOAD_ADDRESS 0x40000000
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#endif
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#endif
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static void
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static void
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usage()
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usage()
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{
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{
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fprintf (stderr, "usage: eload executable-file network-name\n");
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fprintf (stderr, "usage: eload executable-file network-name\n");
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exit (1);
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exit (1);
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}
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}
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static void
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static void
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#ifdef ANSI_PROTOTYPES
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#ifdef ANSI_PROTOTYPES
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sys_error (char *msg, ...)
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sys_error (char *msg, ...)
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#else
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#else
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sys_error (va_alist)
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sys_error (va_alist)
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va_dcl
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va_dcl
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#endif
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#endif
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{
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{
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int e = errno;
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int e = errno;
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va_list args;
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va_list args;
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|
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#ifdef ANSI_PROTOTYPES
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#ifdef ANSI_PROTOTYPES
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va_start (args, msg);
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va_start (args, msg);
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#else
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#else
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va_start (args);
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va_start (args);
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#endif
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#endif
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#ifdef ANSI_PROTOTYPES
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#ifdef ANSI_PROTOTYPES
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vfprintf (stderr, msg, args);
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vfprintf (stderr, msg, args);
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#else
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#else
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{
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{
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char *msg1;
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char *msg1;
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msg1 = va_arg (args, char *);
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msg1 = va_arg (args, char *);
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vfprintf (stderr, msg1, args);
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vfprintf (stderr, msg1, args);
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}
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}
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#endif
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#endif
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va_end (args);
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va_end (args);
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fprintf (stderr, ": %s\n", strerror(e));
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fprintf (stderr, ": %s\n", strerror(e));
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exit (1);
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exit (1);
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}
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}
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|
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static void
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static void
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#ifdef ANSI_PROTOTYPES
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#ifdef ANSI_PROTOTYPES
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error (char *msg, ...)
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error (char *msg, ...)
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#else
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#else
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error (va_alist)
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error (va_alist)
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va_dcl
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va_dcl
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#endif
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#endif
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{
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{
|
va_list args;
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va_list args;
|
|
|
#ifdef ANSI_PROTOTYPES
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#ifdef ANSI_PROTOTYPES
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va_start (args, msg);
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va_start (args, msg);
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#else
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#else
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va_start (args);
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va_start (args);
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#endif
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#endif
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|
|
#ifdef ANSI_PROTOTYPES
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#ifdef ANSI_PROTOTYPES
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vfprintf (stderr, msg, args);
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vfprintf (stderr, msg, args);
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#else
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#else
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{
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{
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char *msg1;
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char *msg1;
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msg1 = va_arg (args, char *);
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msg1 = va_arg (args, char *);
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vfprintf (stderr, msg1, args);
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vfprintf (stderr, msg1, args);
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}
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}
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#endif
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#endif
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va_end (args);
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va_end (args);
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fputc ('\n', stderr);
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fputc ('\n', stderr);
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exit (1);
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exit (1);
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}
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}
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int netfd;
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int netfd;
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static int
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static int
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recv_buf (fd, buf, len, timeout)
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recv_buf (fd, buf, len, timeout)
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int fd, len;
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int fd, len;
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unsigned char *buf;
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unsigned char *buf;
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int timeout;
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int timeout;
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{
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{
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int cc;
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int cc;
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fd_set readfds;
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fd_set readfds;
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FD_ZERO (&readfds);
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FD_ZERO (&readfds);
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FD_SET (fd, &readfds);
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FD_SET (fd, &readfds);
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if (timeout >= 0)
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if (timeout >= 0)
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{
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{
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struct timeval timebuf;
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struct timeval timebuf;
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timebuf.tv_sec = timeout;
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timebuf.tv_sec = timeout;
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timebuf.tv_usec = 0;
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timebuf.tv_usec = 0;
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cc = select (fd + 1, &readfds, 0, 0, &timebuf);
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cc = select (fd + 1, &readfds, 0, 0, &timebuf);
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}
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}
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else
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else
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cc = select (fd + 1, &readfds, 0, 0, 0);
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cc = select (fd + 1, &readfds, 0, 0, 0);
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|
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if (cc == 0)
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if (cc == 0)
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return 0;
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return 0;
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|
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if (cc != 1)
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if (cc != 1)
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sys_error ("recv_buf: Bad return value from select:");
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sys_error ("recv_buf: Bad return value from select:");
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cc = recv (fd, buf, len, 0);
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cc = recv (fd, buf, len, 0);
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if (cc < 0)
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if (cc < 0)
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sys_error ("Got an error from recv: ");
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sys_error ("Got an error from recv: ");
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return cc;
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return cc;
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}
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}
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static void
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static void
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send_buf (fd, buf, len)
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send_buf (fd, buf, len)
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int fd, len;
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int fd, len;
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unsigned char *buf;
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unsigned char *buf;
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{
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{
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int cc;
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int cc;
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cc = send (fd, buf, len, 0);
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cc = send (fd, buf, len, 0);
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if (cc == len)
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if (cc == len)
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return;
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return;
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if (cc < 0)
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if (cc < 0)
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sys_error ("Got an error from send: ");
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sys_error ("Got an error from send: ");
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printf ("Short count in send: tried %d, sent %d\n", len, cc);
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printf ("Short count in send: tried %d, sent %d\n", len, cc);
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}
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}
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static unsigned short
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static unsigned short
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calc_checksum (buffer, count)
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calc_checksum (buffer, count)
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unsigned char *buffer;
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unsigned char *buffer;
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int count;
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int count;
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{
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{
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unsigned short checksum;
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unsigned short checksum;
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unsigned short *s;
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unsigned short *s;
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s = (unsigned short *)buffer;
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s = (unsigned short *)buffer;
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checksum = 0;
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checksum = 0;
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for (; count > 0; count -= 2)
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for (; count > 0; count -= 2)
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checksum += *s++;
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checksum += *s++;
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if (count != 0)
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if (count != 0)
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checksum += (*s & 0xff00);
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checksum += (*s & 0xff00);
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return checksum;
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return checksum;
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}
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}
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static void
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static void
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send_data (buffer, fd, addr, count)
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send_data (buffer, fd, addr, count)
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unsigned char *buffer;
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unsigned char *buffer;
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int fd;
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int fd;
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unsigned long addr;
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unsigned long addr;
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int count;
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int count;
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{
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{
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int cc, i;
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int cc, i;
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static int pkt_num = 0;
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static int pkt_num = 0;
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unsigned char snd_buf[2000];
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unsigned char snd_buf[2000];
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unsigned short checksum;
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unsigned short checksum;
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static unsigned long old_addr = -1;
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static unsigned long old_addr = -1;
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|
|
while (1)
|
while (1)
|
{
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{
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if (addr != old_addr)
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if (addr != old_addr)
|
{
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{
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snd_buf[0] = 0x1; /* Load command */
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snd_buf[0] = 0x1; /* Load command */
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snd_buf[1] = 0x1; /* Loading address */
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snd_buf[1] = 0x1; /* Loading address */
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snd_buf[2] = addr >> 24;
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snd_buf[2] = addr >> 24;
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snd_buf[3] = addr >> 16;
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snd_buf[3] = addr >> 16;
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snd_buf[4] = addr >> 8;
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snd_buf[4] = addr >> 8;
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snd_buf[5] = addr;
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snd_buf[5] = addr;
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|
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checksum = 0;
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checksum = 0;
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for (i = 0; i < 6; i++)
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for (i = 0; i < 6; i++)
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checksum += snd_buf[i];
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checksum += snd_buf[i];
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checksum &= 0xff;
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checksum &= 0xff;
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send_buf (fd, snd_buf, 6);
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send_buf (fd, snd_buf, 6);
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cc = recv_buf (fd, snd_buf, sizeof snd_buf, -1);
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cc = recv_buf (fd, snd_buf, sizeof snd_buf, -1);
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|
|
if (cc < 1)
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if (cc < 1)
|
{
|
{
|
fprintf (stderr, "Got back short checksum for load addr\n");
|
fprintf (stderr, "Got back short checksum for load addr\n");
|
exit (1);
|
exit (1);
|
}
|
}
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|
|
if (checksum != snd_buf[0])
|
if (checksum != snd_buf[0])
|
{
|
{
|
fprintf (stderr, "Got back bad checksum for load addr\n");
|
fprintf (stderr, "Got back bad checksum for load addr\n");
|
exit (1);
|
exit (1);
|
}
|
}
|
pkt_num = 0; /* Load addr resets packet seq # */
|
pkt_num = 0; /* Load addr resets packet seq # */
|
old_addr = addr;
|
old_addr = addr;
|
}
|
}
|
|
|
memcpy (snd_buf + 6, buffer, count);
|
memcpy (snd_buf + 6, buffer, count);
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|
|
checksum = calc_checksum (buffer, count);
|
checksum = calc_checksum (buffer, count);
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|
|
snd_buf[0] = 0x1; /* Load command */
|
snd_buf[0] = 0x1; /* Load command */
|
snd_buf[1] = 0x2; /* Loading data */
|
snd_buf[1] = 0x2; /* Loading data */
|
snd_buf[2] = pkt_num >> 8;
|
snd_buf[2] = pkt_num >> 8;
|
snd_buf[3] = pkt_num;
|
snd_buf[3] = pkt_num;
|
snd_buf[4] = checksum >> 8;
|
snd_buf[4] = checksum >> 8;
|
snd_buf[5] = checksum;
|
snd_buf[5] = checksum;
|
|
|
send_buf (fd, snd_buf, count + 6);
|
send_buf (fd, snd_buf, count + 6);
|
cc = recv_buf (fd, snd_buf, sizeof snd_buf, 3);
|
cc = recv_buf (fd, snd_buf, sizeof snd_buf, 3);
|
|
|
if (cc == 0)
|
if (cc == 0)
|
{
|
{
|
fprintf (stderr
|
fprintf (stderr
|
, "send_data: timeout sending %d bytes to addr 0x%lx, retrying\n", count, addr);
|
, "send_data: timeout sending %d bytes to addr 0x%lx, retrying\n", count, addr);
|
continue;
|
continue;
|
}
|
}
|
|
|
if (cc < 1)
|
if (cc < 1)
|
{
|
{
|
fprintf (stderr, "Got back short response for load data\n");
|
fprintf (stderr, "Got back short response for load data\n");
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
if (snd_buf[0] != 0xff)
|
if (snd_buf[0] != 0xff)
|
{
|
{
|
fprintf (stderr, "Got back bad response for load data\n");
|
fprintf (stderr, "Got back bad response for load data\n");
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
old_addr += count;
|
old_addr += count;
|
pkt_num++;
|
pkt_num++;
|
|
|
return;
|
return;
|
}
|
}
|
}
|
}
|
|
|
extern int optind;
|
extern int optind;
|
|
|
int
|
int
|
main (argc, argv)
|
main (argc, argv)
|
int argc;
|
int argc;
|
char **argv;
|
char **argv;
|
{
|
{
|
int cc, c;
|
int cc, c;
|
unsigned char buf[10];
|
unsigned char buf[10];
|
asection *section;
|
asection *section;
|
bfd *pbfd;
|
bfd *pbfd;
|
unsigned long entry;
|
unsigned long entry;
|
struct hostent *he;
|
struct hostent *he;
|
struct sockaddr_in sockaddr;
|
struct sockaddr_in sockaddr;
|
|
|
while ((c = getopt(argc, argv, "")) != EOF)
|
while ((c = getopt(argc, argv, "")) != EOF)
|
{
|
{
|
switch (c)
|
switch (c)
|
{
|
{
|
default:
|
default:
|
usage();
|
usage();
|
}
|
}
|
}
|
}
|
argc -= optind;
|
argc -= optind;
|
argv += optind;
|
argv += optind;
|
|
|
if (argc != 2)
|
if (argc != 2)
|
usage ();
|
usage ();
|
|
|
pbfd = bfd_openr (argv[1], 0);
|
pbfd = bfd_openr (argv[1], 0);
|
|
|
if (pbfd == NULL)
|
if (pbfd == NULL)
|
sys_error ("Open of PROG failed");
|
sys_error ("Open of PROG failed");
|
|
|
/* Setup the socket. Must be raw UDP. */
|
/* Setup the socket. Must be raw UDP. */
|
|
|
he = gethostbyname (argv[2]);
|
he = gethostbyname (argv[2]);
|
|
|
if (!he)
|
if (!he)
|
sys_error ("No such host");
|
sys_error ("No such host");
|
|
|
netfd = socket (PF_INET, SOCK_DGRAM, 0);
|
netfd = socket (PF_INET, SOCK_DGRAM, 0);
|
|
|
sockaddr.sin_family = PF_INET;
|
sockaddr.sin_family = PF_INET;
|
sockaddr.sin_port = htons(7000);
|
sockaddr.sin_port = htons(7000);
|
memcpy (&sockaddr.sin_addr.s_addr, he->h_addr, sizeof (struct in_addr));
|
memcpy (&sockaddr.sin_addr.s_addr, he->h_addr, sizeof (struct in_addr));
|
|
|
if (connect (netfd, &sockaddr, sizeof(sockaddr)))
|
if (connect (netfd, &sockaddr, sizeof(sockaddr)))
|
sys_error ("Connect failed");
|
sys_error ("Connect failed");
|
|
|
buf[0] = 0x5;
|
buf[0] = 0x5;
|
buf[1] = 0;
|
buf[1] = 0;
|
|
|
send_buf (netfd, buf, 2); /* Request version */
|
send_buf (netfd, buf, 2); /* Request version */
|
cc = recv_buf (netfd, buf, sizeof(buf), -1); /* Get response */
|
cc = recv_buf (netfd, buf, sizeof(buf), -1); /* Get response */
|
|
|
if (cc < 3)
|
if (cc < 3)
|
{
|
{
|
fprintf (stderr, "SPARClite appears to be ill\n");
|
fprintf (stderr, "SPARClite appears to be ill\n");
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
printf ("[SPARClite appears to be alive]\n");
|
printf ("[SPARClite appears to be alive]\n");
|
|
|
if (!bfd_check_format (pbfd, bfd_object))
|
if (!bfd_check_format (pbfd, bfd_object))
|
error ("It doesn't seem to be an object file");
|
error ("It doesn't seem to be an object file");
|
|
|
for (section = pbfd->sections; section; section = section->next)
|
for (section = pbfd->sections; section; section = section->next)
|
{
|
{
|
if (bfd_get_section_flags (pbfd, section) & SEC_ALLOC)
|
if (bfd_get_section_flags (pbfd, section) & SEC_ALLOC)
|
{
|
{
|
bfd_vma section_address;
|
bfd_vma section_address;
|
unsigned long section_size;
|
unsigned long section_size;
|
const char *section_name;
|
const char *section_name;
|
|
|
section_name = bfd_get_section_name (pbfd, section);
|
section_name = bfd_get_section_name (pbfd, section);
|
|
|
section_address = bfd_get_section_vma (pbfd, section);
|
section_address = bfd_get_section_vma (pbfd, section);
|
/* Adjust sections from a.out files, since they don't
|
/* Adjust sections from a.out files, since they don't
|
carry their addresses with. */
|
carry their addresses with. */
|
if (bfd_get_flavour (pbfd) == bfd_target_aout_flavour)
|
if (bfd_get_flavour (pbfd) == bfd_target_aout_flavour)
|
section_address += LOAD_ADDRESS;
|
section_address += LOAD_ADDRESS;
|
section_size = bfd_section_size (pbfd, section);
|
section_size = bfd_section_size (pbfd, section);
|
|
|
printf("[Loading section %s at %lx (%ld bytes)]\n",
|
printf("[Loading section %s at %lx (%ld bytes)]\n",
|
section_name, section_address, section_size);
|
section_name, section_address, section_size);
|
|
|
/* Text, data or lit */
|
/* Text, data or lit */
|
if (bfd_get_section_flags (pbfd, section) & SEC_LOAD)
|
if (bfd_get_section_flags (pbfd, section) & SEC_LOAD)
|
{
|
{
|
file_ptr fptr;
|
file_ptr fptr;
|
|
|
fptr = 0;
|
fptr = 0;
|
|
|
while (section_size > 0)
|
while (section_size > 0)
|
{
|
{
|
char buffer[1024];
|
char buffer[1024];
|
int count;
|
int count;
|
static char inds[] = "|/-\\";
|
static char inds[] = "|/-\\";
|
static int k = 0;
|
static int k = 0;
|
|
|
count = min (section_size, 1024);
|
count = min (section_size, 1024);
|
|
|
bfd_get_section_contents (pbfd, section, buffer, fptr,
|
bfd_get_section_contents (pbfd, section, buffer, fptr,
|
count);
|
count);
|
|
|
#if 0
|
#if 0
|
{
|
{
|
int i;
|
int i;
|
unsigned char checksum;
|
unsigned char checksum;
|
|
|
checksum = 0;
|
checksum = 0;
|
for (i=0; i < count; i++)
|
for (i=0; i < count; i++)
|
checksum += buffer[i];
|
checksum += buffer[i];
|
}
|
}
|
#endif
|
#endif
|
|
|
printf ("\r%c", inds[k++ % 4]);
|
printf ("\r%c", inds[k++ % 4]);
|
fflush (stdout);
|
fflush (stdout);
|
|
|
send_data (buffer, netfd, section_address, count);
|
send_data (buffer, netfd, section_address, count);
|
|
|
section_address += count;
|
section_address += count;
|
fptr += count;
|
fptr += count;
|
section_size -= count;
|
section_size -= count;
|
}
|
}
|
}
|
}
|
else /* BSS */
|
else /* BSS */
|
printf ("Not loading BSS \n");
|
printf ("Not loading BSS \n");
|
}
|
}
|
}
|
}
|
|
|
entry = bfd_get_start_address (pbfd);
|
entry = bfd_get_start_address (pbfd);
|
|
|
printf ("[Starting %s at 0x%lx]\n", argv[1], entry);
|
printf ("[Starting %s at 0x%lx]\n", argv[1], entry);
|
|
|
buf[0] = 0x3;
|
buf[0] = 0x3;
|
buf[1] = 0;
|
buf[1] = 0;
|
buf[2] = entry >> 24;
|
buf[2] = entry >> 24;
|
buf[3] = entry >> 16;
|
buf[3] = entry >> 16;
|
buf[4] = entry >> 8;
|
buf[4] = entry >> 8;
|
buf[5] = entry;
|
buf[5] = entry;
|
|
|
send_buf (netfd, buf, 6); /* Send start addr */
|
send_buf (netfd, buf, 6); /* Send start addr */
|
cc = recv_buf (netfd, buf, sizeof(buf), -1); /* Get response */
|
cc = recv_buf (netfd, buf, sizeof(buf), -1); /* Get response */
|
|
|
if (cc < 1 || buf[0] != 0x55)
|
if (cc < 1 || buf[0] != 0x55)
|
{
|
{
|
fprintf (stderr, "Failed to take start address\n");
|
fprintf (stderr, "Failed to take start address\n");
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
exit (0);
|
exit (0);
|
}
|
}
|
|
|
