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Project: PS3 Cell SPU Cheat Sheet WIP Arrives


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244w ago - Yesterday Niraj Khadka (aka bluemimmosa) [Register or Login to view links] GeoHot (who is [Register or Login to view links] entering a university level competiton at NASA in Florida) that he has started work on support for the PS3 Cell SPU (Synergistic Processing Unit), and has [Register or Login to view links] a [Register or Login to view links] with other PlayStation 3 developers.

Download: PS3 Cell SPU Cheat Sheet WIP / PS3 Cell SPU Cheat Sheet WIP (Updated)

To quote from the Tweets: "bluemimmosa: @geohot spu.isdf February 14, 2010 Started work on support for the Cell SPU whats with EDA????? any news.."

"geohot: in Florida for http://www.nasa.gov/lunabotics/ CMU team"

Thanks to dondolo for the news tip, and remember that all Registered Users can also Submit news right to our main page too!



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Comments 14 Comments - Go to Forum Thread »

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#14 - dondolo - 244w ago
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small updste from bluemimmosa:
SPU CHEAT SHEET alpha release

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it's password protected, so useless, i post it just to keep you updated.

#13 - dondolo - 244w ago
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update from bluemmimosa's page

SPU_Cheatsheet updated again

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#12 - tjay17 - 244w ago
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Ok, so this is like a quick reference guide for things.

#11 - xrayglasses - 244w ago
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Quote Originally Posted by soultrane View Post
Cheat-sheets can be useful. I guess the value of this cheat sheet is a quick binary-to-hex conversion (second column). However, I would still find the original documentation easier to use: SPU_ISA_v1.2_27Jan2007_pub.pdf (google) page 32 starts the opcodes.

Another note on the utility of repackaging information:

Sure, the same info in Norton's PC Assembly book could've been found in Intel docs. However, it sure was easier to read the way Norton arranged the same information. No problem in trying to make the information easier to use.

Uses:
-Dissassembler/Assembler or IDA plugin for extensions
-Scanning for memory corruptions/vulnerabilities (This has been possible since the first dump was published and has yet to be done)
-reversing reference (It's easier with IDA tools and IBM docs)

#10 - soultrane - 244w ago
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Cheat-sheets can be useful. I guess the value of this cheat sheet is a quick binary-to-hex conversion (second column). However, I would still find the original documentation easier to use: SPU_ISA_v1.2_27Jan2007_pub.pdf (google) page 32 starts the opcodes.

Another note on the utility of repackaging information:

Sure, the same info in Norton's PC Assembly book could've been found in Intel docs. However, it sure was easier to read the way Norton arranged the same information. No problem in trying to make the information easier to use.

#9 - PS3 News - 244w ago
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Quote Originally Posted by xrayglasses View Post
not sure why this is news. The vector instructions and isolation registers are even documented by IBM publicly..

Like most projects we post here, it's done primarily to spotlight the Dev's work in hopes that others can lend a hand and get involved if they wish.

#8 - xrayglasses - 244w ago
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It's a SPU RISC assembler reference, basically a fraction of what has been public for years in IBM developer pages.. not sure why this is news. The vector instructions and isolation registers are even documented by IBM publicly..

#7 - PS3 News - 244w ago
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I imagine what's done with cheatsheets in general... primarily used to save time. If you examine the column headings it explains what each is, but as many have posted above unless you are a Dev this isn't geared towards end-users.

bluemimmosa did Tweet the following afterwards though:
looking on how to write plugins for IDA pro....

So it appears as though his next step is to work on a plug-in that can be loaded into IDA (disassembler) to simplify the process further.

#6 - Mbb - 244w ago
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Yeah what can we or 'devs' do with this info?

#5 - proskopina - 244w ago
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thanks boss for sharing! but what's this again?

a lot of people don't now nothing about this things!! why they don't give us the real thing!!!

 

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