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//==========================================================================
//
// dump.c
//
// RedBoot dump support
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos 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 or (at your option) any later
// version.
//
// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): gthomas
// Contributors: gthomas
// Date: 2002-08-06
// Purpose:
// Description:
//
// This code is part of RedBoot (tm).
//
//####DESCRIPTIONEND####
//
//==========================================================================
#include <redboot.h>
RedBoot_cmd("dump",
"Display (hex dump) a range of memory",
"-b <location> [-l <length>] [-s] [-1|-2|-4]",
do_dump
);
RedBoot_cmd("x",
"Display (hex dump) a range of memory",
"-b <location> [-l <length>] [-s] [-1|-2|-4]",
do_x
);
void
do_dump(int argc, char *argv[])
{
struct option_info opts[6];
unsigned long base, len;
bool base_set, len_set;
static unsigned long _base, _len;
static char _size = 1;
bool srec_dump, set_32bit, set_16bit, set_8bit;
int i, n, off, cksum;
cyg_uint8 ch;
init_opts(&opts[0], 'b', true, OPTION_ARG_TYPE_NUM,
(void *)&base, (bool *)&base_set, "base address");
init_opts(&opts[1], 'l', true, OPTION_ARG_TYPE_NUM,
(void *)&len, (bool *)&len_set, "length");
init_opts(&opts[2], 's', false, OPTION_ARG_TYPE_FLG,
(void *)&srec_dump, 0, "dump data using Morotola S-records");
init_opts(&opts[3], '4', false, OPTION_ARG_TYPE_FLG,
(void *)&set_32bit, (bool *)0, "dump 32 bit units");
init_opts(&opts[4], '2', false, OPTION_ARG_TYPE_FLG,
(void *)&set_16bit, (bool *)0, "dump 16 bit units");
init_opts(&opts[5], '1', false, OPTION_ARG_TYPE_FLG,
(void *)&set_8bit, (bool *)0, "dump 8 bit units");
if (!scan_opts(argc, argv, 1, opts, 6, 0, 0, "")) {
return;
}
if (!base_set) {
if (_base == 0) {
diag_printf("Dump what [location]?\n");
return;
}
base = _base;
if (!len_set) {
len = _len;
len_set = true;
}
}
if (set_32bit) {
_size = 4;
} else if (set_16bit) {
_size = 2;
} else if (set_8bit) {
_size = 1;
}
if (!len_set) {
len = 32;
}
if (srec_dump) {
off = 0;
while (off < len) {
n = (len > 16) ? 16 : len;
cksum = n+5;
diag_printf("S3%02X%08lX", n+5, off+base);
for (i = 0; i < 4; i++) {
cksum += (((base+off)>>(i*8)) & 0xFF);
}
for (i = 0; i < n; i++) {
ch = *(cyg_uint8 *)(base+off+i);
diag_printf("%02X", ch);
cksum += ch;
}
diag_printf("%02X\n", ~cksum & 0xFF);
off += n;
}
} else {
switch( _size ) {
case 1:
diag_dump_buf((void *)base, len);
break;
case 2:
diag_dump_buf_16bit((void *)base, len);
break;
case 4:
diag_dump_buf_32bit((void *)base, len);
break;
}
}
_base = base + len;
_len = len;
}
// Simple alias for the dump command
void
do_x(int argc, char *argv[])
{
do_dump(argc, argv);
}
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