source: SVN/cambria/redboot/packages/redboot/current/src/dump.c @ 1

Last change on this file since 1 was 1, checked in by Tim Harvey, 2 years ago

restored latest version of files from server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 5.1 KB
Line 
1//==========================================================================
2//
3//      dump.c
4//
5//      RedBoot dump support
6//
7//==========================================================================
8//####ECOSGPLCOPYRIGHTBEGIN####
9// -------------------------------------------
10// This file is part of eCos, the Embedded Configurable Operating System.
11// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
12// Copyright (C) 2002 Gary Thomas
13//
14// eCos is free software; you can redistribute it and/or modify it under
15// the terms of the GNU General Public License as published by the Free
16// Software Foundation; either version 2 or (at your option) any later version.
17//
18// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
19// WARRANTY; without even the implied warranty of MERCHANTABILITY or
20// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
21// for more details.
22//
23// You should have received a copy of the GNU General Public License along
24// with eCos; if not, write to the Free Software Foundation, Inc.,
25// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26//
27// As a special exception, if other files instantiate templates or use macros
28// or inline functions from this file, or you compile this file and link it
29// with other works to produce a work based on this file, this file does not
30// by itself cause the resulting work to be covered by the GNU General Public
31// License. However the source code for this file must still be made available
32// in accordance with section (3) of the GNU General Public License.
33//
34// This exception does not invalidate any other reasons why a work based on
35// this file might be covered by the GNU General Public License.
36//
37// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
38// at http://sources.redhat.com/ecos/ecos-license/
39// -------------------------------------------
40//####ECOSGPLCOPYRIGHTEND####
41//==========================================================================
42//#####DESCRIPTIONBEGIN####
43//
44// Author(s):    gthomas
45// Contributors: gthomas
46// Date:         2002-08-06
47// Purpose:     
48// Description: 
49//             
50// This code is part of RedBoot (tm).
51//
52//####DESCRIPTIONEND####
53//
54//==========================================================================
55
56#include <redboot.h>
57
58RedBoot_cmd("dump", 
59            "Display (hex dump) a range of memory", 
60            "-b <location> [-l <length>] [-s] [-1|2|4]",
61            do_dump
62    );
63RedBoot_cmd("x", 
64            "Display (hex dump) a range of memory", 
65            "-b <location> [-l <length>] [-s] [-1|2|4]",
66            do_x
67    );
68
69void
70do_dump(int argc, char *argv[])
71{
72    struct option_info opts[6];
73    unsigned long base, len;
74    bool base_set, len_set;
75    static unsigned long _base, _len;
76    static char _size = 1;
77    bool srec_dump, set_32bit, set_16bit, set_8bit;
78    int i, n, off, cksum;
79    cyg_uint8 ch;
80
81    init_opts(&opts[0], 'b', true, OPTION_ARG_TYPE_NUM, 
82              (void *)&base, (bool *)&base_set, "base address");
83    init_opts(&opts[1], 'l', true, OPTION_ARG_TYPE_NUM, 
84              (void *)&len, (bool *)&len_set, "length");
85    init_opts(&opts[2], 's', false, OPTION_ARG_TYPE_FLG, 
86              (void *)&srec_dump, 0, "dump data using Morotola S-records");
87    init_opts(&opts[3], '4', false, OPTION_ARG_TYPE_FLG,
88              (void *)&set_32bit, (bool *)0, "dump 32 bit units");
89    init_opts(&opts[4], '2', false, OPTION_ARG_TYPE_FLG,
90              (void *)&set_16bit, (bool *)0, "dump 16 bit units");
91    init_opts(&opts[5], '1', false, OPTION_ARG_TYPE_FLG,
92              (void *)&set_8bit, (bool *)0, "dump 8 bit units");
93    if (!scan_opts(argc, argv, 1, opts, 6, 0, 0, "")) {
94        return;
95    }
96    if (!base_set) {
97        if (_base == 0) {
98            diag_printf("Dump what [location]?\n");
99            return;
100        }
101        base = _base;
102        if (!len_set) {
103            len = _len;
104            len_set = true;
105        }
106    }
107
108    if (set_32bit) {
109      _size = 4;
110    } else if (set_16bit) {
111      _size = 2;
112    } else if (set_8bit) {
113      _size = 1;
114    }
115
116    if (!len_set) {
117        len = 32;
118    }
119    if (srec_dump) {
120        off = 0;
121        while (off < len) {
122            n = (len > 16) ? 16 : len;
123            cksum = n+5;
124            diag_printf("S3%02X%08X", n+5, off+base);
125            for (i = 0;  i < 4;  i++) {
126                cksum += (((base+off)>>(i*8)) & 0xFF);
127            }
128            for (i = 0;  i < n;  i++) {
129                ch = *(cyg_uint8 *)(base+off+i);
130                diag_printf("%02X", ch);
131                cksum += ch;
132            }
133            diag_printf("%02X\n", ~cksum & 0xFF);
134            off += n;
135        }
136    } else {
137        switch( _size ) {
138        case 1:
139            diag_dump_buf((void *)base, len);
140            break;
141        case 2:
142            diag_dump_buf_16bit((void *)base, len);
143            break;
144        case 4:
145            diag_dump_buf_32bit((void *)base, len);
146            break;
147        }
148    }
149    _base = base + len;
150    _len = len;
151}
152
153// Simple alias for the dump command
154void
155do_x(int argc, char *argv[])
156{
157    do_dump(argc, argv);
158}
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