Hi Alexander, On 3 March 2012 05:15, Alexander Spyridakis < a.spyrida...@virtualopensystems.com> wrote:
> On 29 February 2012 14:25, Vishal Bhoj <vishal.b...@linaro.org> wrote: > >> I am starting with fastmodel and getting Android booting on it .I am >> currently using RTSM_VE for A15 to start with and NFS filesystem. UART is >> simulated as ttyAMA0 and logs could be captured through it. The plan is to >> support A9, A15 and A15 + A7 combinations. >> > > Hello, > > Sorry if I am late to chime in, but Virtual Open Systems has already done > some work regarding Android on A15 FastModels. You can find a proof of > concept guide/tutorial on our homepage<http://www.virtualopensystems.com/> > . > > I have looked at your work and tried the images,its good work done by you guys. > As a base kernel we use the latest kvm-a15-v6 > branch<https://github.com/virtualopensystems/linux-kvm-arm>, > together with the attached Android patch set and kernel configuration. > > Most things seem to work, although performance is far from perfect, as any > rendering to the framebuffer can slow things to a drag. Also, for the time > being sound doesn't work and there is no USB for Fast Models (no USB > storage and some applications depend on it). Booting seems to be working > for both NFS and MMC (less that 2GB image) but MMC seems to be a bit faster > in my experience (although NFS is more convenient). Logcat still complains > about various stuff and I guess that a lot of things could be improved. > > Currently I have android booting to console with dmart's kernel<http://git.linaro.org/gitweb?p=people/dmart/linux-2.6-arm.git;a=shortlog;h=refs/heads/arm/vexpressdt-rtsm>plus androidization topic branch<http://git.linaro.org/gitweb?p=people/andygreen/kernel-tilt.git;a=shortlog;h=refs/heads/linaro-androidization-tracking>. GUI is crashing since CLCD driver is not working with device tree. I have also seen that mmc (less than 2 GB image ) performance is much better than NFS. I could use adb over TCP. > For the Android userland you should use this set of > patches<http://linux-arm.org/git?p=armdroid.git;a=commit;h=58fb51bf42b867b6f3639fbaa74beba114f03fb5>against > AOSP. If not, SystemUI will always nag you with an exception pop > up and Wallpapers and Gallery won't work. Alternatively you can just run > "pm disable com.android.systemui" and the nagging pop up will vanish but > wallpaper rendering still won't work. I've already tried successfully the > Linaro Android Images for Versatile Express and they are working, but the > mentioned SystemUI exception still remains. > > We have a different patch to get around the missing OpenGLES support. But the performance while using our patch<http://review.android.git.linaro.org/#change,1260>and the set of patches you mentioned could be very different. If you need further details please let me know. > > Sincerely, Alexander Spyridakis. > Regards, Vishal
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