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HOW TO REBUILT THE ANDROID EMULATOR-SPECIFIC KERNEL:
====================================================
You need to have the Android toolchain in your path
(i.e. 'arm-eabi-gcc --version' must work)
then:
git clone git://android.git.kernel.org/kernel/common.git kernel-common
cd kernel-common
git checkout origin/android-goldfish-2.6.29
export CROSS_COMPILE=arm-eabi-
export ARCH=arm
export SUBARCH=arm
make goldfish_defconfig # configure the kernel
make -j2 # build it
=> this generates a file named arch/arm/boot/zImage
NOTE: Branch android-goldfish-2.6.27 is obsolete now. Do not use it.
Now, you can use it with:
emulator -kernel path/to/your/new/zImage <other-options>
You can build an ARMv7-compatible kernel image by using goldfish_armv7_defconfg
in the above instructions (instead of goldfish_defconfig). Note that you will
need to enable ARMv7 emulation by using the -cpu cortex-a8 option, as in:
emulator -kernel path/to/your/new/zImage <other-options> -qemu -cpu cortex-a8
As a special convenience, if the name of your kernel image ends in -armv7, then
the emulator binary will automatically enable ARMv7 emulation for you, so doing
the following should be equivalent
emulator -kernel path/to/your/kernel-armv7 <other-options>
Voila !
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