Android Linux内核编译
浏览数：21 /
时间：2015年06月11日
平台：
Wind7_64 + Ubuntu12_04_64 + VMware
这里以Android5.0为例：
Android5.0 可以到这里下载：
android-5.0.tar.gz
115网盘礼包码：5lbd7crtk1wz
http://115.com/lb/5lbd7crtk1wz
Linux_source_goldfish 可以到这里下载：
Android5.0的编译可以参考：
遇到的问题
http://www.cnblogs.com/pengdonglin137/p/4197969.html
需要使用openjdk7
apt-get install openjdk-7-jdk
apt-get install openjdk-7-jre
编译：
root@ubuntu:~/work/android/android5/android-5.0# . build/envsetup.sh
including device/moto/shamu/vendorsetup.sh
including device/samsung/manta/vendorsetup.sh
including device/generic/mini-emulator-x86/vendorsetup.sh
including device/generic/mini-emulator-arm64/vendorsetup.sh
including device/generic/mini-emulator-mips/vendorsetup.sh
including device/generic/mini-emulator-x86_64/vendorsetup.sh
including device/generic/mini-emulator-armv7-a-neon/vendorsetup.sh
including device/lge/mako/vendorsetup.sh
including device/lge/hammerhead/vendorsetup.sh
including device/asus/tilapia/vendorsetup.sh
including device/asus/deb/vendorsetup.sh
including device/asus/grouper/vendorsetup.sh
including device/asus/flo/vendorsetup.sh
including device/asus/fugu/vendorsetup.sh
including sdk/bash_completion/adb.bash
root@ubuntu:~/work/android/android5/android-5.0# choosecombo
Build type choices are:
1. release
2. debug
Which would you like? [1] 1
Which product would you like? [full]
Variant choices are:
1. user
2. userdebug
3. eng
Which would you like? [eng]
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=5.0
TARGET_PRODUCT=full
TARGET_BUILD_VARIANT=eng
TARGET_BUILD_TYPE=release
TARGET_BUILD_APPS=
TARGET_ARCH=arm
TARGET_ARCH_VARIANT=armv7-a
TARGET_CPU_VARIANT=generic
TARGET_2ND_ARCH=
TARGET_2ND_ARCH_VARIANT=
TARGET_2ND_CPU_VARIANT=
HOST_ARCH=x86_64
HOST_OS=linux
HOST_OS_EXTRA=Linux-3.5.0-23-generic-x86_64-with-Ubuntu-12.04-precise
HOST_BUILD_TYPE=release
BUILD_ID=LRX21M
OUT_DIR=out
============================================
root@ubuntu:~/work/android/android5/android-5.0# make
编译完成后，设置工具链路径，为编译内核方便：
export PATH=$PATH:/root/work/android/android-5.0/prebuilts/gcc/linux-x86/arm/arm-eabi-4.8/bin
编译内核：
下载内核后，解压
root@ubuntu:~/work/android/android5/goldfish# git branch -a
master
remotes/origin/HEAD -> origin/master
remotes/origin/android-3.10
remotes/origin/android-3.4
remotes/origin/android-goldfish-2.6.29
remotes/origin/android-goldfish-3.10
remotes/origin/android-goldfish-3.4
remotes/origin/linux-goldfish-3.0-wip
remotes/origin/master
由于Android5.0的模拟器使用的内核是3.4（可以用模拟器自带的内核启动一个模拟器，然后看一下内核版本 cat /proc/version ）， 所以我们也是用3.4:
root@ubuntu:~/work/android/android5/goldfish# git checkout remotes/origin/android-goldfish-3.4 -b linux-3.4
然后修改Makefile
ARCH ?= arm
CROSS_COMPILE ?= arm-eabi-
配置内核
root@ubuntu:~/work/android/android5/goldfish# make goldfish_armv7_defconfig
注意：这个默认的内核并没有配置模块加载功能，需要执行make menuconfig设置，否则无法编译和加载内核模块
编译内核
make zImage -j2
用我们编出的内核启动模拟器：
root@ubuntu:~/work/android/android5/android-5.0# emulator64-arm -kernel ../goldfish/arch/arm/boot/zImage
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