FreeCalypso > hg > freecalypso-tools
view rvinterf/etmsync/memcmd.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 | e7502631a0f9 |
children |
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/* * User commands for reading memory regions and Calypso die ID via ETM */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "etm.h" #include "tm3.h" #include "limits.h" #include "localtypes.h" #include "exitcodes.h" static void memdump_line(addr, buf, len) u32 addr; u_char *buf; { int i, c; printf("%08X: ", addr); for (i = 0; i < 16; i++) { if (i < len) printf("%02X ", buf[i]); else fputs(" ", stdout); if (i == 7 || i == 15) putchar(' '); } for (i = 0; i < len; i++) { c = buf[i]; if (c < ' ' || c > '~') c = '.'; putchar(c); } putchar('\n'); } cmd_memdump(argc, argv) char **argv; { u_char databuf[MAX_MEMREAD_BYTES]; u32 memaddr; int rc, sz, off, l; memaddr = strtoul(argv[1], 0, 16); sz = strtoul(argv[2], 0, 16); rc = do_memory_read(memaddr, databuf, sz); if (rc) return(rc); for (off = 0; off < sz; off += 16) { l = sz - off; if (l > 16) l = 16; memdump_line(memaddr + off, databuf + off, l); } return(0); } cmd_omemdump(argc, argv) char **argv; { u_char databuf[TM3_MEMREAD_MAX]; u32 memaddr; int rc, sz, off, l; memaddr = strtoul(argv[1], 0, 16); sz = strtoul(argv[2], 0, 16); rc = do_memory_read_tm3(memaddr, databuf, sz); if (rc) return(rc); for (off = 0; off < sz; off += 16) { l = sz - off; if (l > 16) l = 16; memdump_line(memaddr + off, databuf + off, l); } return(0); } cmd_dieid() { u_char buf[8]; int rc; rc = do_dieid_read(buf); if (rc) return(rc); printf("%02X %02X %02X %02X %02X %02X %02X %02X\n", buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]); return(0); }