May 2017
Beginner to intermediate
470 pages
10h 49m
English
Content preview from Android System Programming
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Booting an Android emulator using initrd.img
We can execute the following command to boot the system using initrd.img first:
$ cd $OUT $ emulator @a25x86 -ranchu -verbose -show-kernel -system ./system-qcow2.img -ramdisk ./initrd.img -initdata ./userdata-qcow2.img -kernel ./kernel -qemu -netdev user,id=mynet1,net=10.0.2.0/24,dhcpstart=10.0.2.50 -device virtio-net,netdev=mynet1
In the preceding command, we use QCOW2-format images for both system and user data, since they are much smaller than the plain file images. We use initrd.img as the ramdisk so that we can debug the configuration in the first stage of boot up. We can also change this script to use ramdisk.img directly. In this case, it is the normal start up process of the emulator. ...
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