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PS3 SPU Emulation v0.8 Module Out, Allows x86 PCs to Emulate SPU


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147w ago - Following up on their previous release last week, today KDSBest and crew have updated the PS3 SPU Emulation Module to version 0.8, which allows x86 PCs to emulate the SPU.

Download: PS3 SPU Emulation v0.8 Module

To quote via Twitter (linked above):

The aim module runs to the hash check of EID0 which fails, cause I miss the data. SPU Emulation v0.8: gitbrew.org/~KDSBest/SPU%20simulation%20v0.8.rar

Extract the ofw 3.55 and there is the aim_spu_module.self. Make an elf of it. There you go. It's sony code I can't give it to u.

I love Physic Engines and I love the PS3. I guess I will port Box2D to psl1ght ^^

For the news sites: gitbrew.org/~KDSBest/SPU%20simulation%20v0.8.rar ... crypto function instructions implemented, aim_spu_module runs fine.

A tester tested the eid0 partial decryption of aim in anergistuc and in the spu emu. They match. Gj myself


PS3 SPU Emulation v0.8 Module Out, Allows x86 PCs to Emulate SPU

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Comments 23

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#23 - Riyga - 14w ago
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Thank you very much

#22 - PS4 News - 146w ago
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Shortly following his previous revision, PlayStation 3 developer KDSBest has updated the PS3 SPU Emulation to version 0.9, which allows x86 PCs to emulate the SPU.

Download: PS3 SPU Emulation v0.9 Module

Below are some related updates via Twitter (linked above):

Found the mistake in SPU Emu... -.- FAIL! sf* commands do rb-ra I did ra-rb -.- works perfectly now.

The sp somehow land in code section and overrides destroys code. so i don't update the code while the ls changes. This does the trick hotfix.

New spu emu soon dump function calls and channel access and so on.

SPU Emu v0.9: fixed sf* instructions and bugfixes and callstack functions. Dumps all branches now files get big ^^.

More PlayStation 3 News...

#21 - PS4 News - 146w ago
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While it hasn't been long since his previous release, today PlayStation 3 developer KDSBest has updated the PS3 SPU Emulation Module to version 0.8.1, which allows x86 PCs to emulate the SPU.

Download: PS3 SPU Emulation v0.8.1 Module

Below are some related Tweets on the update via Twitter (linked above), as follows:

New spu emu soon dump function calls and channel access and so on.. btw no spu stuff just optimised code

Crypto function instructions implemented, aim_spu_module runs fine (v0.8).

Thanks to my tester we found a heavy bug which made the aim not run correctly. Fixing it.

I still got a problem with one instruction, the problem is idk what instruction, but aim decrypts the eid0 section fine with spu emu (v0.8.1).

More PlayStation 3 News...

#20 - PS4 News - 148w ago
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Following up on his previous release, today PlayStation 3 developer KDSBest has updated the PS3 SPU Emulation Module to Beta 2, which allows x86 PCs to emulate the SPU for those wondering.

Download: PS3 SPU Emulation Beta 2 Module

To quote: Long time no see guys. I release SPU Emu Beta 2.

Since I am sick at current time and constant headache I just release what I already got. There are features to dump the LS parts, Register and so on.

Check out the source or metldr.kds for more infos. The kds script don't use all featues which are implemented but the most common one.

More PlayStation 3 News...

#19 - niwakun - 149w ago
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Quote Originally Posted by KDSBest View Post
It is not for game emulation and it will never emulate the ppc. If you want that go to code.google.com/p/rpcs3/ , their work is not done and nearly nothing work, but they are the guys that write an emu for games and so on. This is just for reversing, so you don't have only a static analysis.


nah, x86/x64 computer wont be able to reach ppc's power. it's MIPS vs FLOPS

If you compare a Corei7 high end processor can do 70gflops with all cores being used while PS3 had 25Gflops multiply it to 6 SPU's so if you know how to multiply, there's no where it can be emulated right now. Unless someone is brave enough to use a videocard as the alternative processor since GPU's processing capability is much more powerful than x86/x64 processor does.

#18 - PS4 News - 149w ago
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Shortly following the Alpha 2 Module release, today KDSBest has updated their PS3 / PC SPU emulation project which allows your x86 machine to emulate the PlayStation 3 SPU to Beta status.

Download: PS3 SPU Emulation Beta Module

To quote: Let's call it beta (SPU emulation). Tested with my own elf a lot commands if they work properly. Disabled buttons depending on state.

And last but not least, if you press run a new thread is spawned. Now you are able to press pause and it stops the run ofc. The performance get a super boost with the threading.

Project Update: alpha2 - pre alpha so it is not in pre alpha stage anymore. It detects code modifications on the fly too. The new feature list is not complete that's my fault I guess.

Thanks for the news update. I need some infos from some reversers to create the next stunning feature:

Crypto dumping... dumps all crypto calls... Let's call it function parameter dumping cause it will work for everything and will implement a callback on known functions which will make dumping at certain calls possible.

I try to implement this and GET/PUT DMA commands this weekend. I think I can't finish it this weekend, but this will be the beta stage. V0.9 should then just implement the rest of the commands that anergistic implements.

After that it is unknown what I do and so on. Since then my reversing starts to get more focus.

Update: From mr_wicked: I was trying to run an SPU module in anergistic with no success. In IBM systemsim (in combination with libspe2) my code ran just fine..

Finding a broken instruction in anergistic is like finding a needle in a haystack. So I ended up throwing IBM systemsim in IDA and exported all SPU instructions to .asm. After writing a small emulator around these instructions I was able to find two nasty errors. One in "andhi" and one in the "cgx" instruction. Here are the corrected Anergistic instructions:

[Register or Login to view code]

My application also needed rotqbybi and rotqbi so I implemented those as well:

[Register or Login to view code]

Although trivial to fix it was really nasty to find these. I couldn't find a repository with active development, so I'm posting it here.

More PlayStation 3 News...

#17 - PS4 News - 150w ago
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Following up on the initial release, today KDSBest has updated their PS3 / PC SPU emulation project to Alpha 2 which allows your x86 machine to emulate the PlayStation 3 SPU.

Download: PS3 SPU Emulation Alpha 2 Module

To quote: SPU Emulation Alpha2 has been released: mBox implemented and MFC prepared, bugfixes, breakpoints implemented and all commands for metldr as far as KDSBest knows.

Hi Community,

I wanted to contribute to the scene, so I coded a tool that might help the community our members and fellow dev's. This Tool is intended for dev's so please be careful if you don't know what you do. I will not be held responsible for any harm.

My tool is a emulator for PS3 modules (e.g metldr), it is in pre alpha stage but I thought, it would be great to get some community feedback.

How to use:

Not all SPU Commands are implemented yet, but it is easily extendable and I will make it support DMA, all SPU Commands and SPU Mailbox soon.

First open a .kds file. Check out the metldr.kds to see an example. The rest is like a normal debugger. If you put dumps of your reversed functions in the KnownFunctions folder, it will detect it and mark that function for you.

Just for example Mark the whole cellSpuAesDecryptCbcCfb128 function in HexView in IDA -> Right Click -> Save to File
Name the File "cellSpuAesDecryptCbcCfb128" without extension and copy it to the KnownFunctions Directory of the Emulator. Now all similar functions get automatic detected!

"Step" Executes next command, "Run" runs till breakpoint (Breakpoints are not implemented yet).
Debug SPU Code in Windows.

Any questions?

Just get back to me at twitter

Stay tuned

KDSBest
twitter.com/#!/KDSBest

PS: Thx for MK and cfwprophet (Team acid) and of course to fail0verflow for anergistic, which helps a lot with it and even uses some functions of them.

More PlayStation 3 News...

#16 - KDSBest - 150w ago
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It is not for game emulation and it will never emulate the ppc. If you want that go to code.google.com/p/rpcs3/ , their work is not done and nearly nothing work, but they are the guys that write an emu for games and so on. This is just for reversing, so you don't have only a static analysis.

#15 - cfwprophet - 151w ago
cfwprophet's Avatar
Naaaa np i knowed what you meant it was more a joke and a informing post for others who don't know

Exactly it emulates PS3 code running in the SPU sub Core of the CellBE of PS3 ON PC x86 ak 32bit systems. But also working on 64bit systems.

#14 - Ni72ous - 151w ago
Ni72ous's Avatar
Sorry mate did not come out right, what i meant was this was i don't think it was intended as a whole system emulator where it would be possible to play games.







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