FreeCalypso > hg > freecalypso-sw

annotate target-utils/tf-breakin/mkembed.c @ 923:10b4bed10192

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gsm-fw/L1: fix for the DSP patch corruption bug The L1 code we got from the LoCosto fw contains a feature for DSP CPU load measurement. This feature is a LoCosto-ism, i.e., not applicable to earlier DBB chips (Calypso) with their respective earlier DSP ROMs. Most of the code dealing with that feature is conditionalized as #if (DSP >= 38), but one spot was missed, and the MCU code was writing into an API word dealing with this feature. In TCS211 this DSP API word happens to be used by the DSP code patch, hence that write was corrupting the patched DSP code.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Mon, 19 Oct 2015 17:13:56 +0000
parents 22c6e39e1789
children 7166c8311b0d
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357
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1 #include <sys/types.h>
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2 #include <sys/file.h>
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3 #include <sys/stat.h>
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4 #include <stdio.h>
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5 #include <stdlib.h>
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6 #include <unistd.h>
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7
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8 #define PAYLOAD_SIZE 112
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9 u_char payload_buf[PAYLOAD_SIZE];
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10
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11 read_binary(filename)
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12 char *filename;
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13 {
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14 int fd;
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15 struct stat st;
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16
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17 fd = open(filename, O_RDONLY);
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18 if (fd < 0) {
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19 perror(filename);
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20 exit(1);
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21 }
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22 fstat(fd, &st);
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23 if (!S_ISREG(st.st_mode)) {
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24 fprintf(stderr, "error: %s is not a regular file\n", filename);
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25 exit(1);
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26 }
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27 if (st.st_size != PAYLOAD_SIZE) {
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28 fprintf(stderr, "error: %s size mismatch\n", filename);
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29 exit(1);
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30 }
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31 if (read(fd, payload_buf, PAYLOAD_SIZE) != PAYLOAD_SIZE) {
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32 perror("read error");
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33 exit(1);
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34 }
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35 close(fd);
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36 }
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37
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38 write_output(filename)
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39 char *filename;
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40 {
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41 FILE *of;
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42 int i, j, idx;
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43
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44 of = fopen(filename, "w");
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45 if (!of) {
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46 perror(filename);
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47 exit(1);
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48 }
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49 fprintf(of, "u_char payload[%d] = {\n", PAYLOAD_SIZE);
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50 idx = 0;
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51 for (i = 0; i < 14; i++) {
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52 for (j = 0; j < 8; j++) {
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53 if (j)
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54 putc(' ', of);
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55 else
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56 putc('\t', of);
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57 fprintf(of, "0x%02X,", payload_buf[idx++]);
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58 }
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59 putc('\n', of);
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60 }
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61 fputs("};\n", of);
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62 fclose(of);
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63 }
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64
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65 main(argc, argv)
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66 char **argv;
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67 {
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68 if (argc != 3) {
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69 fprintf(stderr, "usage: %s payload.bin output.c\n", argv[0]);
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70 exit(1);
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71 }
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72 read_binary(argv[1]);
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73 write_output(argv[2]);
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74 exit(0);
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75 }