GemDroid: QEMU Part

Description

Welcome to GemDroid, An Infrastructure to Evaluate Mobile Platforms. GemDroid uses traces to feed its simulator. This patch generates traces of an application from the android emulator. The trace contains CPU/Memory access, frame buffer activity and raw instructions.

System Requirement

AOSP android-4.4.4_r2

In this Repository

gemdroid_qemu : GemDroid QEMU part
ReadMe.md : This readme

To Patch

Assume that $AOSP is your aosp folder, follow the following commands you will have an emulator for GemDroid.

    # backup your original qemu folder
    cd $AOSP
    git clone https://github.com/huz123/GemDroid_QEMU
    cd $AOSP/sdk/emulator
    git checkout -b gemdroid cbf40c
    cd $AOSP/external
    mv qemu qemu.bk
    cp -r $AOSP/GemDroid_QEMU/gemdroid_qemu qemu
    cd qemu
    ./android-configure.sh
    # remove "-Wl" in objs/config.make, compile d4-7 with -m32
    make 
    # use emulators in objs/

To use

Need an android virtual device follow this link;
start the emulator with your android virtual device as usual;
press "volume up" button will trace the Frame Buffer and Camera activities;
press "volume down" button will trace the CPU/Memory accesses;
press "call" button will trace raw instructions.

Acknowledgements

GemDroid project is supported in part by NSF grants – #1302557, #0963839, #1205618, #1213052, #1320478, #1317560, #1302225, #1017882, and grants from Intel. More details about the NSF Expedition Project - Visual Corext On Silicon can be found at: http://www.cse.psu.edu/research/visualcortexonsilicon.expedition/index.html

FAQ

Contacts

If you have any questions and comments, please send to haibo at cse.psu.edu or nachi at cse.psu.edu.

huz123 / GemDroid_QEMU

readme