FreeCalypso > hg > freecalypso-tools

annotate target-utils/loadagent/bindump.c @ 914:bf302e52c8ea

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Source-dirs: add tchtools
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 29 Dec 2022 22:21:04 +0000
parents 963d15a808eb
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
638
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * Here we are going to implement a new memory dump command for use by
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * fc-loadtool, sending the dump stream to the host in binary instead of hex
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * S-records.
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 *
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * We could send the entire stream continuously without any structure or
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 * breaks, but if we did that, fc-loadtool would not be able to detect a slip
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 * (byte loss error) in the serial stream until the end of the dump,
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 * potentially minutes long. For this reason we are taking a different
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * approach: we are going to send the dump stream in blocks of 8192 bytes,
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 * with each block preceded by an 8-byte binary header. Loadtool will know
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 * and expect the same block structure, and seeing our block headers in the
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 * right positions in the stream will provide assurance of synchronization.
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 */
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #include <sys/types.h>
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 #include "types.h"
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 void
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 cmd_memdump_binary(argbulk)
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 char *argbulk;
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 {
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 char *argv[3];
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 u_long start, length;
639
963d15a808eb loadagent BINDUMP actually works
Mychaela Falconia <falcon@freecalypso.org>
parents: 638
diff changeset
25 u_long addr, remlen;
963d15a808eb loadagent BINDUMP actually works
Mychaela Falconia <falcon@freecalypso.org>
parents: 638
diff changeset
26 unsigned blklen, n;
638
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 if (parse_args(argbulk, 2, 2, argv, 0) < 0)
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 return;
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 if (parse_hexarg(argv[0], 8, &start) < 0) {
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 printf("ERROR: arg1 must be a valid 32-bit hex address\n");
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 return;
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 }
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 if (parse_hexarg(argv[1], 8, &length) < 0) {
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 printf("ERROR: arg2 must be a valid 32-bit hex value (length)\n");
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 return;
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 }
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 addr = start;
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 for (remlen = length; remlen; remlen -= blklen) {
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 blklen = 8192;
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 if (remlen < blklen)
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 blklen = remlen;
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 serial_out(0x55);
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 serial_out(0xAA);
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 serial_out(addr >> 24);
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 serial_out(addr >> 16);
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 serial_out(addr >> 8);
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 serial_out(addr);
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 serial_out(blklen >> 8);
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 serial_out(blklen);
639
963d15a808eb loadagent BINDUMP actually works
Mychaela Falconia <falcon@freecalypso.org>
parents: 638
diff changeset
51 for (n = blklen; n; n--) {
638
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 serial_out(*(volatile u8 *)addr);
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 addr++;
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 }
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 }
6562364b2033 loadagent: BINDUMP command implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 }