FreeCalypso > hg > freecalypso-tools

annotate target-utils/libcommon/cmd_memdump_machine.c @ 1012:11391cb6bdc0

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patch from fixeria: doc change from SE K2x0 to K2xx Since their discovery in late 2022, Sony Ericsson K200 and K220 phones were collectively referred to as SE K2x0 in FreeCalypso documentation. However, now that SE K205 has been discovered as yet another member of the same family (same PCBA in different case), it makes more sense to refer to the whole family as SE K2xx.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 23 Sep 2024 12:23:20 +0000
parents 9214118ae941
children
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1 /*
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2 * This is a machine-oriented memory dump command. The output is in the
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3 * form of S3 records.
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4 */
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5
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6 #include <sys/types.h>
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7 #include "types.h"
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8
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9 void
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10 cmd_memdump_machine(argbulk)
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11 char *argbulk;
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12 {
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13 char *argv[3];
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14 u_long start, length;
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15 u_long addr;
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16 u_char srbuf[0x86], cksum;
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17 int i;
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18
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19 if (parse_args(argbulk, 2, 2, argv, 0) < 0)
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20 return;
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21 if (parse_hexarg(argv[0], 8, &start) < 0) {
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22 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 (parse_hexarg(argv[1], 8, &length) < 0) {
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26 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 & 0x7F || length & 0x7F) {
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30 printf("ERROR: implementation limit: 128-byte alignment required\n");
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31 return;
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32 }
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33 srbuf[0] = 0x85;
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34 for (addr = start; addr < start + length; addr += 0x80) {
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35 srbuf[1] = addr >> 24;
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36 srbuf[2] = addr >> 16;
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37 srbuf[3] = addr >> 8;
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38 srbuf[4] = addr;
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39 memcpy(srbuf + 5, addr, 0x80);
0
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40 cksum = 0;
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41 for (i = 0; i < 0x85; i++)
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42 cksum += srbuf[i];
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43 srbuf[i] = ~cksum;
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44 putchar('S');
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45 putchar('3');
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46 for (i = 0; i < 0x86; i++)
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47 printf("%02X", srbuf[i]);
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48 putchar('\n');
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49 }
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50 }