Hi Guys
I'm a Computer Engineering Student and i want to be expert in one of embedded devices OS.
but i'm confused to choose Linux-Based OS like ANDROID or Windows-Based OS like Windows 8 (ARM)-Windows Phone 7-Windows CE.
I'm already have DM3730 Cortex-A8 DevKit.
Thank you
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I have seen several QEMU setups, specifically on the Nexus One, Evo 3D, Xperia Neo, and other devices, all running various versions of Windows XP, 98, or 95. I'm looking at the source now. Is there any reason someone hasn't tried to run the Windows CE (PocketPC or WinMo) kernel within QEMU or can it only emulate x86 operating systems?
http://wiki.osdev.org/QEMU#Supported_Architectures
http://wiki.embeddednirvana.org/ARM_Emulation_Using_QEMU
So according to these articles, ARM emulation is possible.
ARM
QEMU booted into the ARM port of Fedora 8
QEMU emulates the ARMv5TEJ instruction set and all the derivative processors families like ARM7, ARM9E, ARM10E and XScale. It emulates full systems like Integrator/CP board, Versatile baseboard, RealView Emulation baseboard, XScale-based PDAs, Palm Tungsten|E PDA, Nokia N800 and Nokia N810 internet tablets etc. QEMU also powers the Android emulator which is part of the Android SDK (most current Android implementations are ARM based). Under development is iEmu, emulator of Apple's iPhone. Starting from version 2.0.0 of their BADA SDK, Samsung has also chosen QEMU to help development on emulated 'Wave' devices.
metroidnemesis13 said:
I have seen several QEMU setups, specifically on the Nexus One, Evo 3D, Xperia Neo, and other devices, all running various versions of Windows XP, 98, or 95. I'm looking at the source now. Is there any reason someone hasn't tried to run the Windows CE (PocketPC or WinMo) kernel within QEMU or can it only emulate x86 operating systems?
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Click to collapse
I've had limited success booting a custom x86 Windows CE 4.0 NK image with the newer WinCE QEMU port for the HD2 but I wouldn't call it usable. CE booted and I could see the mouse cursor but the desktop never appeared. There are real CE drivers for most of QEMU's hardware on x86, so it might just take a bit of fiddling if the ARM qemu builds aren't just broken.
Bochs was able to boot the image fine but it was pretty slow and only worked in the 320x200 VESA mode. One of the newer mobile Bochs builds for Android worked a little better and displays in a higher resolution but it's still slow and lacks networking. I haven't had as much success with QEMU. It seems like there are major differences between the generic c/c++ CPU core for all architectures and the x86 one and I"m pretty sure QEMU runs some x86 code natively even in user mode. It's either that or the mobile versions are quick hacks with some dirty workarounds that break the more obscure OSes. The difference in compatibility between different processor architectures in the same build is evidence enough of that. Though, I haven't tried them in an ARM debian build yet.
And as cross platform as it is, QEMU seems highly optimized for x86 these days. So many OSes that have problems on ARM qemu work just fine on a desktop. It seems to me like QEMU-x86 wasn't ever really extensively tested on ARM and the other less used archs. There is also a newer QEMU port based on 1.x in the Android Market called Limbo which I have yet to try but the current versions use VNC so video output is pretty slow.
If you want to give it a go, the following Windows CE based PDA platforms had x86 images available: Handheld PC 2000, Pocket PC 2002, Smartphone 2002, Pocket PC 2003/SE, Smartphone 2003/SE and of course the generic builds from 2.0-7.0. Most of these will boot on a sufficiently compatible PC with the right nudging and it should be possible to cook custom ROMs with appropriate HDD drivers if you prefer Windows Mobile and know how to modify WM2003 ROMs.
You might want to keep an eye on QEMU-KVM for ARM Linux too. If it ever works well enough on android, that may be able to virtualize an ARM CE image at near native speeds. QEMU does emulate a few CE compatible dev boards but I'm not sure if anyone ever successfully booted CE on them as they're mainly for testing Linux and don't emulate everything.
Edit: Here's a few YouTube videos I found demonstrating an early build of KVM-QEMU booting Android and Ubuntu on a Cortex A15 running Ubuntu:
http://www.youtube.com/watch?v=LWzoanrsaCI
http://www.youtube.com/watch?v=uD5Nu-VrHKI
Color me impressed! If CE can be ported to one of the boards QEMU emulates, (almost) native CE on countless Android devices seems very possible. Porting it on an emulator/VM is likely easier than running it on the metal.
Also, here's a thread about the Raspberry Pi's debian and QEMU. Based on the comments, they seem to have the same odd issues the WinCE and Android ports have.
http://www.raspberrypi.org/phpBB3/viewtopic.php?f=62&t=10635
Hi all,
Just inquiring if there is any app I could install on my android tab
and be able to do some java programming, like running Luna Eclipse
which does so well on windows.
Regards.
@faeiz747, despite its Linux roots, Android is far from capable of running Eclipse IDE as is. Not only is the hardware inadequate for supporting such a large application, but Android lacks a full Java SE JVM (Dalvik is a subset) and SWT (Eclipse UI framework) implementation for native Android UI controls does not exist. On Linux, SWT implementations exist only for GTK and Motif.
You may be interested in Project Orion, which is an effort at eclipse.org to create Eclipse-like experience in the browser. I understand that people have been able to use Orion from a mobile browser on devices such as the one on the iPad.
Intel lets developers reuse Android Java code on iOS — Yes, you read that right the first time. And the iOS Java apps running on iPhones have native Xcode UIs.
To the astonishment of everyone seeing Multi-OS Engine for the first time, iOS apps can be developed on Windows using Android Studio and debugged on Windows using a USB tethered iPhone or the iOS emulator Intel built for Android Studio.
Intel is courting developers with previews.
I am looking for any java supporting os rom which can be installed in featured phones based on kai os like jio phones, nokia 8110 4g? Because java and symbian based os were awesome! Too many apps and games makes them great. But kai os has very limited and low grade apps and games.
I wonder that why nokia picked kai os for their new feature phones? Why not continued symbian?
yugalkishore said:
I am looking for any java supporting os rom which can be installed in featured phones based on kai os like jio phones, nokia 8110 4g? Because java and symbian based os were awesome! Too many apps and games makes them great. But kai os has very limited and low grade apps and games.
I wonder that why nokia picked kai os for their new feature phones? Why not continued symbian?
Click to expand...
Click to collapse
Do a Google search for:
"Java based OS for (your specific model number)"
Or
"Symbian based OS for (your specific model number)"
If those searches do not find anything specific to your model number then they probably don't exist for your device.
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