FreeCalypso > hg > freecalypso-tools
view rvinterf/etmsync/fdcmd.c @ 416:30f6d1c32c6f
doc/Flash-boot-defect article removed (no longer relevant)
This article is no longer relevant because the issue in question
only affected one (1) defective FCDEV3B board which was not
and never will be sold.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 26 Oct 2018 07:11:08 +0000 |
parents | e7502631a0f9 |
children |
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/* * File descriptor debug commands */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "etm.h" #include "ffs.h" #include "tmffs2.h" #include "limits.h" #include "localtypes.h" #include "localstruct.h" #include "cmdtab.h" #include "exitcodes.h" cmd_fd_open(argc, argv) char **argv; { int rc, fd; rc = fd_open(argv[1], strtoul(argv[2], 0, 16), &fd); if (rc) return(rc); printf("%d\n", fd); return(0); } cmd_fd_read(argc, argv) char **argv; { u_char databuf[MAX_READ_DATA]; int rc, sz, off, l; rc = fd_read(strtoul(argv[1], 0, 0), databuf, strtoul(argv[2], 0, 0), &sz); if (rc) return(rc); printf("%d bytes read\n", sz); for (off = 0; off < sz; off += 16) { l = sz - off; if (l > 16) l = 16; hexdump_line(off, databuf + off, l); } return(0); } cmd_fd_close(argc, argv) char **argv; { return fd_close(strtoul(argv[1], 0, 0)); } struct cmdtab fd_cmds[] = { {"close", 1, 1, cmd_fd_close}, {"open", 2, 2, cmd_fd_open}, {"read", 2, 2, cmd_fd_read}, {0, 0, 0, 0} }; cmd_fd(argc, argv) char **argv; { struct cmdtab *tp; int extargs; for (tp = fd_cmds; tp->cmd; tp++) if (!strcmp(tp->cmd, argv[1])) break; if (!tp->func) { fprintf(stderr, "error: no such fd command\n"); return(ERROR_USAGE); } extargs = argc - 2; if (extargs > tp->maxargs) { fprintf(stderr, "error: too many arguments\n"); return(ERROR_USAGE); } if (extargs < tp->minargs) { fprintf(stderr, "error: too few arguments\n"); return(ERROR_USAGE); } return tp->func(argc - 1, argv + 1); }