186 lines
5.4 KiB
C
186 lines
5.4 KiB
C
/****************************************************************************
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* apps/nshlib/nsh_init.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/boardctl.h>
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#include <nuttx/symtab.h>
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#include "system/readline.h"
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#include "netutils/netinit.h"
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#include "nshlib/nshlib.h"
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#include "nsh.h"
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#include "nsh_console.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Symbol table is not needed if loadable binary modules are not supported */
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#if !defined(CONFIG_LIBC_EXECFUNCS)
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# undef CONFIG_NSH_SYMTAB
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#endif
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/* boardctl() support is also required for application-space symbol table
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* support.
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*/
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#if !defined(CONFIG_BOARDCTL) || !defined(CONFIG_BOARDCTL_APP_SYMTAB)
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# undef CONFIG_NSH_SYMTAB
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#endif
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/* If a symbol table is provided by board-specific logic, then we do not
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* need to do anything from the application space.
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*/
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#ifdef CONFIG_EXECFUNCS_HAVE_SYMTAB
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# undef CONFIG_NSH_SYMTAB
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#if defined(CONFIG_NSH_READLINE) && defined(CONFIG_READLINE_TABCOMPLETION) && \
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defined(CONFIG_READLINE_HAVE_EXTMATCH)
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static const struct extmatch_vtable_s g_nsh_extmatch =
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{
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nsh_extmatch_count, /* count_matches */
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nsh_extmatch_getname /* getname */
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};
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#endif
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#if defined(CONFIG_NSH_SYMTAB)
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extern const struct symtab_s CONFIG_NSH_SYMTAB_ARRAYNAME[];
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extern const int CONFIG_NSH_SYMTAB_COUNTNAME;
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nsh_initialize
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*
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* Description:
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* This interface is used to initialize the NuttShell (NSH).
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* nsh_initialize() should be called once during application start-up prior
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* to executing nsh_consolemain().
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void nsh_initialize(void)
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{
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#if defined (CONFIG_NSH_SYMTAB)
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struct boardioc_symtab_s symdesc;
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#endif
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#if defined(CONFIG_NSH_ROMFSETC) && !defined(CONFIG_NSH_DISABLESCRIPT)
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FAR struct console_stdio_s *pstate;
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#endif
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#if defined(CONFIG_NSH_READLINE) && defined(CONFIG_READLINE_TABCOMPLETION)
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/* Configure the NSH prompt */
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readline_prompt(g_nshprompt);
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# ifdef CONFIG_READLINE_HAVE_EXTMATCH
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/* Set up for tab completion on NSH commands */
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readline_extmatch(&g_nsh_extmatch);
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# endif
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#endif
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/* Mount the /etc filesystem */
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(void)nsh_romfsetc();
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#ifdef CONFIG_NSH_USBDEV_TRACE
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/* Initialize any USB tracing options that were requested */
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usbtrace_enable(TRACE_BITSET);
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#endif
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#if defined(CONFIG_NSH_SYMTAB)
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/* Make sure that we are using our symbol table */
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symdesc.symtab = (FAR struct symtab_s *)CONFIG_NSH_SYMTAB_ARRAYNAME; /* Discard 'const' */
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symdesc.nsymbols = CONFIG_NSH_SYMTAB_COUNTNAME;
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boardctl(BOARDIOC_APP_SYMTAB, (uintptr_t)&symdesc);
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#endif
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#ifdef CONFIG_NSH_ARCHINIT
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/* Perform architecture-specific initialization (if configured) */
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boardctl(BOARDIOC_INIT, 0);
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#endif
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#if defined(CONFIG_NSH_ROMFSETC) && !defined(CONFIG_NSH_DISABLESCRIPT)
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pstate = nsh_newconsole(false);
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/* Execute the system init script */
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nsh_sysinitscript(&pstate->cn_vtbl);
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#endif
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#ifdef CONFIG_NSH_NETINIT
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/* Bring up the network */
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netinit_bringup();
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#endif
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#if defined(CONFIG_NSH_ARCHINIT) && defined(CONFIG_BOARDCTL_FINALINIT)
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/* Perform architecture-specific final-initialization (if configured) */
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boardctl(BOARDIOC_FINALINIT, 0);
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#endif
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#if defined(CONFIG_NSH_ROMFSETC) && !defined(CONFIG_NSH_DISABLESCRIPT)
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/* Execute the start-up script */
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nsh_initscript(&pstate->cn_vtbl);
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nsh_release(&pstate->cn_vtbl);
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#endif
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#if defined(CONFIG_NSH_TELNET) && !defined(CONFIG_NSH_DISABLE_TELNETSTART) && \
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!defined(CONFIG_NETINIT_NETLOCAL)
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/* If the Telnet console is selected as a front-end, then start the
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* Telnet daemon UNLESS network initialization is deferred via
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* CONFIG_NETINIT_NETLOCAL. In that case, the telnet daemon must be
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* started manually with the telnetd command after the network has
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* been initialized
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*/
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nsh_telnetstart(AF_UNSPEC);
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#endif
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}
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