Buildroot
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buildroot版本为2018.02LTS版 官网使用手册 #https://buildroot.org/downloads/manual/manual.html
目录
配置单板架构
Target options --->
cortex-A8配置
Target Architecture (ARM (little endian)) ---> Target Binary Format (ELF) ---> Target Architecture Variant (cortex-A8) ---> Target ABI (EABIhf) ---> Floating point strategy (VFPv3-D16) ---> ARM instruction set (ARM) --->
cortex-A9配置
Target Architecture (ARM (little endian)) --->
Target Binary Format (ELF) --->
Target Architecture Variant (cortex-A9) --->
[*] Enable NEON SIMD extension support
[*] Enable VFP extension support
Target ABI (EABIhf) --->
Floating point strategy (VFPv3-D16) --->
ARM instruction set (ARM) --->
构建配置
Build options --->
Commands --->
(/ti/mini437x_buildroot/configs/mini4378_defconfig) Location to save buildroot config
($(TOPDIR)/dl) Download dir
($(BASE_DIR)/host) Host dir
Mirrors and Download locations --->
(0) Number of jobs to run simultaneously (0 for auto)
[ ] Enable compiler cache
[ ] build packages with debugging symbols
[*] strip target binaries
() executables that should not be stripped
() directories that should be skipped when stripping
gcc optimization level (optimize for size) --->
[ ] Enable google-breakpad support
libraries (shared only) --->
($(CONFIG_DIR)/local.mk) location of a package override file
(board/mini335x/patches) global patch directories
Advanced --->
*** Security Hardening Options ***
Stack Smashing Protection (None) --->
RELRO Protection (None) --->
Buffer-overflow Detection (FORTIFY_SOURCE) (None) --->
配置工具链
Toolchain type (External toolchain) --->
( ) Buildroot toolchain (X) External toolchain
在线下载的
Toolchain type (External toolchain) --->
*** Toolchain External Options ***
Toolchain (Custom toolchain) --->
Toolchain origin (Toolchain to be downloaded and installed) --->
(https://publishing-ap-linaro-org.s3.amazonaws.com/...)
($(ARCH)-linux-gnueabihf) Toolchain prefix
External toolchain gcc version (5.x) --->
External toolchain kernel headers series (4.0.x) --->
External toolchain C library (glibc/eglibc) --->
[*] Toolchain has SSP support?
[*] Toolchain has RPC support?
[*] Toolchain has C++ support?
() Extra toolchain libraries to be copied to target
[ ] Copy gdb server to the Target
*** Host GDB Options ***
[ ] Build cross gdb for the host
*** Toolchain Generic Options ***
[ ] Copy gconv libraries
[*] Enable MMU support
() Target Optimizations
() Target linker options
[ ] Register toolchain within Eclipse Buildroot plug-in
系统配置
System configuration --->
Root FS skeleton (default target skeleton) --->
(mini437x) System hostname
(Welcome to Mini437x) System banner
Passwords encoding (md5) --->
Init system (systemV) --->
/dev management (Dynamic using devtmpfs + mdev) --->
(system/device_table.txt) Path to the permission tables
[ ] support extended attributes in device tables
[ ] Use symlinks to /usr for /bin, /sbin and /lib
[*] Enable root login with password
() Root password
/bin/sh (bash) --->
[*] Run a getty (login prompt) after boot --->
[*] remount root filesystem read-write during boot
(eth0) Network interface to configure through DHCP
[*] Purge unwanted locales
(C en_US) Locales to keep
() Generate locale data
[ ] Enable Native Language Support (NLS)
-*- Install timezone info
(default) timezone list
(Etc/UTC) default local time
() Path to the users tables
(board/mini437x/rootfs-overlay) Root filesystem overlay directories
(board/mini437x/post-build.sh) Custom scripts to run before creating filesystem images
() Custom scripts to run inside the fakeroot environment
(board/mini437x/post-image.sh) Custom scripts to run after creating filesystem images
() Extra arguments passed to custom scripts
配置登陆信息
(mini437x) System hostname
(Welcome to Mini437x) System banner
Passwords encoding (md5) --->
[*] Enable root login with password
() Root password
配置登陆串口
[*] Run a getty (login prompt) after boot --->
--- Run a getty (login prompt) after boot
(ttyS0) TTY port
Baudrate (keep kernel default) --->
(vt100) TERM environment variable
() other options to pass to getty
其它配置
(board/mini437x/rootfs-overlay) Root filesystem overlay directories (board/mini437x/post-build.sh) Custom scripts to run before creating filesystem images () Custom scripts to run inside the fakeroot environment (board/mini437x/post-image.sh) Custom scripts to run after creating filesystem images
配置linuxkernel
Kernel --->
[*] Linux Kernel
*** Linux kernel in thumb mode may be broken with binutils >= 2.29 ***
Kernel version (Custom Git repository) --->
(https://git.coding.net/codebug8/mini437x_kernel.git) URL of custom repository
(master) Custom repository version
() Custom kernel patches
Kernel configuration (Using an in-tree defconfig file) --->
(mini437x) Defconfig name
() Additional configuration fragment files
Kernel binary format (zImage) --->
Kernel compression format (gzip compression) --->
[*] Build a Device Tree Blob (DTB)
(am437x-sk-evm) In-tree Device Tree Source file names
() Out-of-tree Device Tree Source file paths
[*] Install kernel image to /boot in target
[ ] Needs host OpenSSL
[ ] Needs host libelf
Linux Kernel Extensions --->
Linux Kernel Tools --->
包的管理
Target packages --->
-*- BusyBox (package/busybox/busybox.config) BusyBox configuration file to use? () Additional BusyBox configuration fragment files -*- Show packages that are also provided by busybox [ ] Enable SELinux support [ ] Individual binaries [ ] Install the watchdog daemon startup script Audio and video applications ---> Compressors and decompressors ---> Debugging, profiling and benchmark ---> Development tools ---> Filesystem and flash utilities ---> Fonts, cursors, icons, sounds and themes ---> Games ---> Graphic libraries and applications (graphic/text) ---> Hardware handling ---> Interpreter languages and scripting ---> Libraries ---> Mail ---> Miscellaneous ---> Networking applications ---> Package managers ---> Real-Time ---> Security ---> Shell and utilities ---> System tools ---> Text editors and viewers --->
