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--- android_system_overview [2009/10/06 13:03] – created suapapa
+++ android_system_overview [2013/08/03 05:04] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
-====== references ======
+====== android overview ======
   *[[http://sites.google.com/site/io/anatomy--physiology-of-an-android|Anatomy & Physiology of an Android]]
+====== make build env ======
+===== download platform source =====
+플렛폼 다운로드
+<code bash>
+$ mkdir ~/android_workspace/platform
+$ cd ~/android_workspace/platform
+$ repo init -u git://android.git.kernel.org/platform/manifest.git
+$ repo sync
+</code>
+platform source tree
+<code bash>
+$ ls -a
+.   .repo     bionic    build   development  frameworks  packages  system
+..  Makefile  bootable  dalvik  external     hardware    prebuilt  vendor
+</code>
+===== tool-chain =====
+<code bash>
+$ cd ... platform/prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin/
+$ ls
+arm-eabi-addr2line  arm-eabi-g++        arm-eabi-gdbtui   arm-eabi-ranlib
+arm-eabi-ar         arm-eabi-gcc        arm-eabi-gprof    arm-eabi-readelf
+arm-eabi-as         arm-eabi-gcc-4.4.0  arm-eabi-ld       arm-eabi-run
+arm-eabi-c++        arm-eabi-gccbug     arm-eabi-nm       arm-eabi-size
+arm-eabi-c++filt    arm-eabi-gcov       arm-eabi-objcopy  arm-eabi-strings
+arm-eabi-cpp        arm-eabi-gdb        arm-eabi-objdump  arm-eabi-strip
+$ ./arm-eabi-gcc -v
+Using built-in specs.
+Target: arm-eabi
+Configured with: /home/jingyu/projects/gcc/android-toolchain/gcc-4.4.0/configure
+--prefix=/usr/local
+--target=arm-eabi
+--host=i686-pc-linux-gnu
+--enable-languages=c,c++
+--disable-libssp --enable-threads --disable-nls --disable-libmudflap --disable-libgomp
+--disable-libstdc__-v3 --disable-sjlj-exceptions --disable-shared
+--with-float=soft --with-fpu=vfp
+--with-arch=armv5te
+--with-gcc-version=4.4.0
+--with-binutils-version=2.19
+--with-gmp-version=4.2.4
+--with-mpfr-version=2.4.1
+--with-gdb-version=6.6
+</code>
+기타 tool-chain
+  *[[http://wiki.openmoko.org/wiki/Toolchain|toolchain from openmoko]] armv4t
+  *[[http://www.codesourcery.com/sgpp/lite/arm/portal/subscription?@template=lite|Download Sourcery G++ Lite Edition for ARM]]
+커널 다운로드
+<code bash>
+$ cd ~/android_workspace
+$ git clone git://android.git.kernel.org/kernel/common.git kernel
+</code>
+====== build =====
+platfrom build
+<code bash>
+</code>
+kernel build
+<code bash>
+$ make uImage ARCH=arm CROSS_COMPILE=../prebuilt/linux-x86/toolchain/arm-eabi-4.2.1/bin/arm-eabi-
+</code>
+====== porting ======
+===== u-boot =====
+  */board/board-name
+===== kernel =====