FreeCalypso > hg > freecalypso-tools
view target-utils/loadagent/cmd_blankchk.c @ 921:74d284add54d
fc-fsio: guard against bogus readdir results from the target
If the FFS being operated on contains SE K2x0 extended filenames,
readdir will return strings that are bad for printing. We need to
guard against this possibility, and also against possible other
bogosity that could be sent by other alien firmwares.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 31 Dec 2022 22:55:23 +0000 |
parents | 0da2cf5a999c |
children |
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/* * Flash blank check command */ #include <sys/types.h> #include "types.h" void cmd_blankchk(argbulk) char *argbulk; { char *argv[3]; u_long start, length; u_long addr; int c; if (parse_args(argbulk, 2, 2, argv, 0) < 0) return; if (parse_hexarg(argv[0], 8, &start) < 0) { printf("ERROR: arg1 must be a valid 32-bit hex address\n"); return; } if (parse_hexarg(argv[1], 8, &length) < 0) { printf("ERROR: arg2 must be a valid 32-bit hex value (length)\n"); return; } for (addr = start; addr < start + length; addr++) { c = *(volatile u8 *)addr; if (c != 0xFF) { printf("Not blank: %02X at %08X\n", c, addr); return; } } printf("OK\n"); }