FreeCalypso > hg > freecalypso-sw
comparison target-utils/libload/cmd_blankchk.c @ 39:d67bfcb9e351
loadagent: blankchk command implemented
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Mon, 13 May 2013 20:51:04 +0000 |
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38:5b3d7398d2d9 | 39:d67bfcb9e351 |
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1 /* | |
2 * Flash blank check command | |
3 */ | |
4 | |
5 #include <sys/types.h> | |
6 #include "types.h" | |
7 | |
8 void | |
9 cmd_blankchk(argbulk) | |
10 char *argbulk; | |
11 { | |
12 char *argv[3]; | |
13 u_long start, length; | |
14 u_long addr; | |
15 int c; | |
16 | |
17 if (parse_args(argbulk, 2, 2, argv, 0) < 0) | |
18 return; | |
19 if (parse_hexarg(argv[0], 8, &start) < 0) { | |
20 printf("ERROR: arg1 must be a valid 32-bit hex address\n"); | |
21 return; | |
22 } | |
23 if (parse_hexarg(argv[1], 8, &length) < 0) { | |
24 printf("ERROR: arg2 must be a valid 32-bit hex value (length)\n"); | |
25 return; | |
26 } | |
27 for (addr = start; addr < start + length; addr++) { | |
28 c = *(volatile u8 *)addr; | |
29 if (c != 0xFF) { | |
30 printf("Not blank: %02X at %08X\n", c, addr); | |
31 return; | |
32 } | |
33 } | |
34 printf("OK\n"); | |
35 } |