FreeCalypso > hg > freecalypso-sw
view rvinterf/asyncshell/oneshot.c @ 992:a7b0b426f9ca
target-utils: boot ROM UART autodetection revamped
The new implementation should work with both the familiar Calypso C035
boot ROM version found in our regular targets as well as the older
Calypso F741979B version found on the vintage D-Sample board.
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
---|---|
date | Wed, 30 Dec 2015 21:28:41 +0000 |
parents | bd873572ef2c |
children | 93f4fc26b204 |
line wrap: on
line source
/* * This module implements the one-shot command mode of fc-shell. */ #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> extern int cmd_poweroff(); extern int cmd_sp_oneshot(); extern int cmd_tgtreset(); static struct cmdtab { char *cmd; int minargs; int maxargs; int (*func)(); } cmdtab[] = { {"poweroff", 0, 0, cmd_poweroff}, {"sp", 2, 2, cmd_sp_oneshot}, {"tgtreset", 0, 0, cmd_tgtreset}, {0, 0, 0, 0} }; oneshot_command(argc, argv) char **argv; { struct cmdtab *tp; for (tp = cmdtab; tp->cmd; tp++) if (!strcmp(tp->cmd, argv[0])) break; if (!tp->func) { fprintf(stderr, "error: \"%s\" is not a valid one-shot command\n", argv[0]); exit(1); } if (argc - 1 > tp->maxargs) { fprintf(stderr, "%s: too many arguments\n", tp->cmd); exit(1); } if (argc - 1 < tp->minargs) { fprintf(stderr, "%s: too few arguments\n", tp->cmd); exit(1); } return tp->func(argc, argv); }