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boards/esp32c3: Add romfs configuration
This commit is contained in:
chenwen
Xiang Xiao
@@ -0,0 +1,49 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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# CONFIG_NSH_ARGCAT is not set
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
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# CONFIG_NSH_CMDPARMS is not set
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CONFIG_ARCH="risc-v"
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CONFIG_ARCH_BOARD="esp32c3-devkit"
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CONFIG_ARCH_BOARD_ESP32C3_DEVKIT=y
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CONFIG_ARCH_CHIP="esp32c3"
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CONFIG_ARCH_CHIP_ESP32C3=y
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CONFIG_ARCH_CHIP_ESP32C3WROOM02=y
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CONFIG_ARCH_INTERRUPTSTACK=1536
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CONFIG_ARCH_RISCV=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_BOARD_LOOPSPERMSEC=15000
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CONFIG_BUILTIN=y
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CONFIG_DEV_ZERO=y
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CONFIG_EXAMPLES_ROMFS=y
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CONFIG_FS_PROCFS=y
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CONFIG_FS_ROMFS=y
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CONFIG_IDLETHREAD_STACKSIZE=2048
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CONFIG_INTELHEX_BINARY=y
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CONFIG_LIBC_PERROR_STDOUT=y
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CONFIG_LIBC_STRERROR=y
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CONFIG_MAX_TASKS=16
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CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_ARCHROMFS=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_READLINE=y
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CONFIG_NSH_ROMFSDEVNO=6
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CONFIG_NSH_ROMFSETC=y
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CONFIG_NSH_STRERROR=y
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CONFIG_PREALLOC_TIMERS=0
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CONFIG_RAW_BINARY=y
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_WAITPID=y
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CONFIG_START_DAY=29
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CONFIG_START_MONTH=11
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CONFIG_START_YEAR=2019
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CONFIG_SYSTEM_NSH=y
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CONFIG_UART0_SERIAL_CONSOLE=y
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CONFIG_USER_ENTRYPOINT="nsh_main"
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@@ -0,0 +1,25 @@
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/****************************************************************************
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* boards/risc-v/esp32c3/esp32c3-devkit/include/nsh_romfsimg.h
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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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#ifndef __BOARDS_RISCV_ESP32C3_ESP32C3_DEVKIT_INCLUDE_NSH_ROMFSIMG_H
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#define __BOARDS_RISCV_ESP32C3_ESP32C3_DEVKIT_INCLUDE_NSH_ROMFSIMG_H
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extern const unsigned char romfs_img[];
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extern const unsigned int romfs_img_len;
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#endif
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@@ -86,6 +86,13 @@ ifeq ($(CONFIG_BOARDCTL_UNIQUEID),y)
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CSRCS += esp32c3_uid.c
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endif
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ifeq ($(CONFIG_NSH_ROMFSETC),y)
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ifneq ($(CONFIG_NSH_CUSTOMROMFS),y)
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RCSRCS = etc/init.d/rcS
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RCRAWS = etc/group etc/passwd
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endif
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endif
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SCRIPTIN = $(SCRIPTDIR)$(DELIM)esp32c3.template.ld
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SCRIPTOUT = $(SCRIPTDIR)$(DELIM)esp32c3_out.ld
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@@ -0,0 +1,120 @@
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README
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======
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Overview
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--------
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This directory contains logic to support a custom ROMFS start-up script.
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This startup script is used by by the NSH when it starts provided that
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CONFIG_NSH_ARCHROMFS=y. The script provides a ROMFS volume that will be
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mounted at /etc and will look like this at run-time:
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NuttShell (NSH) NuttX-10.1.0-RC1
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MOTD: username=admin password=Administrator
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nsh> ls -Rl /etc
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/etc:
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dr-xr-xr-x 0 .
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-r--r--r-- 20 group
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dr-xr-xr-x 0 init.d/
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-r--r--r-- 35 passwd
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/etc/init.d:
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dr-xr-xr-x 0 ..
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-r--r--r-- 110 rcS
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nsh>
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/etc/init.d/rcS is the start-up script; /etc/passwd is a the password
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file. It supports a single user:
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USERNAME: admin
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PASSWORD: Administrator
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nsh> cat /etc/passwd
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admin:8Tv+Hbmr3pLddSjtzL0kwC:0:0:/
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The encrypted passwords in the provided passwd file are only valid if the
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TEA key is set to: 012345678 9abcdef0 012345678 9abcdef0. Changes to either
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the key or the password word will require regeneration of the nsh_romfimg.h
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header file.
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The format of the password file is:
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user:x:uid:gid:home
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Where:
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user: User name
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x: Encrypted password
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uid: User ID (0 for now)
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gid: Group ID (0 for now)
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home: Login directory (/ for now)
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/etc/group is a group file. It is not currently used.
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nsh> cat /etc/group
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root:*:0:root,admin
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The format of the group file is:
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group:x:gid:users
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Where:
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group: The group name
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x: Group password
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gid: Group ID
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users: A comma separated list of members of the group
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Updating the ROMFS File System
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------------------------------
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The content on the nsh_romfsimg.h header file is generated from a sample
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directory structure. You can directly modify files under etc/ folder,
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The build system will regenerate nsh_romfsimg.h automatically.
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See the esp32c3-devkit/nsh configuration for an example of the use of this file
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system.
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Replacing the Password File
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---------------------------
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The esp32c3-devkit/nsh configuration can also be used to create a new password file.
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First, make these configuration changes:
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1. Disable logins
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- CONFIG_NSH_CONSOLE_LOGIN=y
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+ # CONFIG_NSH_CONSOLE_LOGIN is not set
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# CONFIG_NSH_TELNET_LOGIN is not set
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2. Move the password file to a write-able file system:
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- CONFIG_FSUTILS_PASSWD_PATH="/etc/passwd"
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+ CONFIG_FSUTILS_PASSWD_PATH="/tmp/passwd"
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3. make the password file modifiable
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- CONFIG_FSUTILS_PASSWD_READONLY=y
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# CONFIG_FSUTILS_PASSWD_READONLY is not set
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Now rebuild the simulation. No login should be required to enter the
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shell and you should find the 'useradd', 'userdel', and 'passwd' commands
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available in the help summary, provided that they are enabled. Make
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certain that the 'useradd' command is not disabled:
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# CONFIG_NSH_DISABLE_USERADD is not set
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Use the NSH 'useradd' command to add new uses with new user passwords like:
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nsh> useradd <username> <password>
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Do this as many times as you would like. Each time that you do this a new
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entry with an encrypted password will be added to the passwd file at
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/tmp/passwd. You can see the passwd file like:
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nsh> cat /tmp/passwd
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When you are finished, you can simply copy the /tmp/passwd content from the
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'cat' command and paste it into an editor. Make sure to remove any
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carriage returns that may have ended up on the file if you are using
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Windows.
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Then recreate the nsh_romfsimg.h file as described above. In step 2,
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simply replace the old /etc/passwd file with the one in your editor.
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When you are finished, the new passwd file will be in the ROMFS file
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system at the path /etc/passwd. When you restore the original NSH
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sim configuration, these are the passwords that will be used.
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@@ -0,0 +1 @@
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root:*:0:root,admin
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@@ -0,0 +1,36 @@
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/****************************************************************************
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* boards/risc-v/esp32c3/esp32c3-devkit/src/etc/init.d/rcS
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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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#include <nuttx/config.h>
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#define CONCAT_(x, y) x##y
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#define CONCAT(x, y) CONCAT_(x, y)
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#ifdef CONFIG_NSH_ROMFSETC
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#ifdef CONFIG_FS_FAT
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/* Create a RAMDISK and mount it at /tmp */
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mkrd -m CONFIG_NSH_FATDEVNO -s CONFIG_NSH_FATSECTSIZE CONFIG_NSH_FATNSECTORS
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mkfatfs CONCAT(/dev/ram, CONFIG_NSH_FATDEVNO)
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mount -t vfat CONCAT(/dev/ram, CONFIG_NSH_FATDEVNO) CONFIG_NSH_FATMOUNTPT
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#endif /* CONFIG_FS_FAT */
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#endif /* CONFIG_NSH_ROMFSETC */
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@@ -0,0 +1 @@
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admin:8Tv+Hbmr3pLddSjtzL0kwC:0:0:/
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