FreeCalypso > hg > freecalypso-tools
view target-utils/libload/cmd_blankchk.c @ 11:21eec7569eb8
loadtools support for C139/140 target: -c 1004 compalstage variant
supercedes the previous -c 1003 version and supports the new C139 boot code
version found in the wild that expects "1004" or greater in the signature bytes
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 25 Jul 2016 21:09:33 +0000 |
parents | e7502631a0f9 |
children |
line wrap: on
line source
/* * 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"); }