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annotate gsm-fw/lldbg/cmd_dump.c @ 865:f5affe83ba2d

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lldbg hack (poor girl's substitute for JTAG) implemented
author Space Falcon <falcon@ivan.Harhan.ORG>
date Fri, 15 May 2015 00:02:03 +0000
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children
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865
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
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1 /*
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
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2 * This is a human-oriented memory dump command. The dump is given in
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
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3 * both hex and ASCII, with readable spacing.
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4 */
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5
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6 #include <sys/types.h>
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
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7 #include "types.h"
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8
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9 void
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10 lldbg_cmd_dump(argbulk)
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11 char *argbulk;
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
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12 {
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13 char *argv[3];
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14 u_long start, length;
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
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15 u_long offset;
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
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16 u_char intbuf[16];
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17 int i, c;
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
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18
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19 if (lldbg_parse_args(argbulk, 2, 2, argv, 0) < 0)
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
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20 return;
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21 if (lldbg_parse_hexarg(argv[0], 8, &start) < 0) {
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
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22 lldbg_printf("ERROR: arg1 must be a valid 32-bit hex address\n");
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23 return;
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24 }
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25 if (lldbg_parse_hexarg(argv[1], 8, &length) < 0) {
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26 lldbg_printf("ERROR: arg2 must be a valid 32-bit hex value (length)\n");
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27 return;
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28 }
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29 if (start & 0xF || length & 0xF) {
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30 lldbg_printf("ERROR: implementation limit: 16-byte alignment required\n");
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31 return;
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32 }
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33 for (offset = 0; offset < length; offset += 0x10) {
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
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34 bcopy(start + offset, intbuf, 0x10);
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35 lldbg_printf("%08X: ", start + offset);
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36 for (i = 0; i < 16; i++) {
f5affe83ba2d lldbg hack (poor girl's substitute for JTAG) implemented
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37 lldbg_printf("%02X ", intbuf[i]);
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38 if ((i & 3) == 3)
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39 lldbg_putchar(' ');
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40 }
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41 for (i = 0; i < 16; i++) {
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42 c = intbuf[i];
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43 if (c >= ' ' && c <= '~')
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44 lldbg_putchar(c);
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45 else
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46 lldbg_putchar('.');
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47 }
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48 lldbg_putchar('\n');
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49 }
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50 }