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Re: [Qemu-devel] Status of the SH4 / ARM7 emulators
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] Status of the SH4 / ARM7 emulators |
Date: |
Sun, 20 Nov 2011 19:08:14 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 |
Hello Renato,
Am 19.11.2011 22:20, schrieb Renato Utsch:
> I am making a dreamcast emulator and I wanted to know the status
> of the sh-4 emulator, if it is stable, if it actually works, etc... And
> the same for the ARM7-TDMI emulator (if QEMU supports it, it supports?),
> because this would save months of work. QEMU sh-4 and arm emulators are
> stable enough for doing something like that?
I know little about Dreamcast, but from looking at Wikipedia [1] it
looks as if ARM7 is used only for sound. So unless you want to develop a
new sound firmware, you can treat it as a black box and focus on SH-4.
sh4-softmmu has been successfully used to boot Linux on certain boards.
What will remain is for you to add a Dreamcast machine, instantiating
the CPU and devices, and implementing those not available in QEMU today,
such as GD-ROM. For PowerVR CLX2 you might be able to share some code
with OMAP's PowerVR SGX.
> how could I use the QEMU emulation
> without opening the actual program? I mean, there is a library for using
> the emulation in another programs?
No. The way to go about your project would be to add the missing pieces
to QEMU's system emulation, mostly in hw/ directory, and to run it via
qemu-system-sh4 -M dreamcast.
You should work with Git and submit any target-sh4 fixes to this mailing
list as well as probably any new devices.
If however you intend to do any Dreamcast-specific frontend skinning,
such parts would probably be less interesting for qemu.git.
You might want to compare ZX Spectrum emulation [2], the Android SDK [3]
and iEmu [4].
Regards,
Andreas
[1] http://en.wikipedia.org/wiki/Dreamcast#Hardware
[2] http://wiki.qemu.org/Features/Z80
[3] http://tools.android.com/overview
[4] http://www.iemu.org/
- [Qemu-devel] Status of the SH4 / ARM7 emulators, Renato Utsch, 2011/11/19
- Re: [Qemu-devel] Status of the SH4 / ARM7 emulators, Peter Maydell, 2011/11/19
- Re: [Qemu-devel] Status of the SH4 / ARM7 emulators, Andreas Färber, 2011/11/20
- Re: [Qemu-devel] Status of the SH4 / ARM7 emulators, Peter Maydell, 2011/11/20
- Re: [Qemu-devel] Status of the SH4 / ARM7 emulators, Richard Henderson, 2011/11/23
- Re: [Qemu-devel] Status of the SH4 / ARM7 emulators, Andreas Färber, 2011/11/24
- Re: [Qemu-devel] Status of the SH4 / ARM7 emulators, Tristan Gingold, 2011/11/29
- Re: [Qemu-devel] Status of the SH4 / ARM7 emulators, Richard Henderson, 2011/11/29
Re: [Qemu-devel] Status of the SH4 / ARM7 emulators,
Andreas Färber <=