FreeCalypso > hg > freecalypso-tools

annotate target-utils/loadagent/cmd_blankchk.c @ 926:6a0aa8d36d06

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rvinterf backslash escape: introduce libprint The new helper function library named libprint is meant to replace the badly misnamed libg23, and will soon contain functions for printing all of the same kinds of GPF TST packets that are now handled in libg23. However, we are also moving safe_print_trace() from libasync to this new library, and changing it to emit our new backslash escape format.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 23 May 2023 03:47:46 +0000
parents 0da2cf5a999c
children
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1 /*
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2 * Flash blank check command
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3 */
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4
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5 #include <sys/types.h>
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6 #include "types.h"
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7
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8 void
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9 cmd_blankchk(argbulk)
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10 char *argbulk;
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11 {
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12 char *argv[3];
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13 u_long start, length;
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14 u_long addr;
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15 int c;
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16
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17 if (parse_args(argbulk, 2, 2, argv, 0) < 0)
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18 return;
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19 if (parse_hexarg(argv[0], 8, &start) < 0) {
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20 printf("ERROR: arg1 must be a valid 32-bit hex address\n");
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21 return;
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22 }
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23 if (parse_hexarg(argv[1], 8, &length) < 0) {
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24 printf("ERROR: arg2 must be a valid 32-bit hex value (length)\n");
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25 return;
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26 }
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27 for (addr = start; addr < start + length; addr++) {
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28 c = *(volatile u8 *)addr;
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29 if (c != 0xFF) {
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30 printf("Not blank: %02X at %08X\n", c, addr);
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31 return;
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32 }
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33 }
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34 printf("OK\n");
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35 }