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The unofficial Official FirmWare, a complete latest PSP firmware reverse engineering project
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README.md

uOFW

The unofficial Official FirmWare, a complete latest PSP firmware reverse engineering project.

Project page: http://uofw.psnpt.com/
Doxygen documentation: http://uofw.psnpt.com/sdkdoc/
For more information: http://dev.psnpt.com/redmine/projects/uofw/wiki

NOTE: We currently plan to move both the wiki and the documentation to Github and shutdown the project page instead. We'll keep you updated on this as progress is being made.

Getting started

In order to contribute to uOFW, you need advanced knowledge in MIPS ASM and C. Some good MIPS ASM
online resources can be found on the MIPS company page.
MIPS ASM Instruction Set Reference: http://math-atlas.sourceforge.net/devel/assembly/mips-iv.pdf

In addition, there is a nice MIPS runtime simulator and debugger which can be found at:
http://courses.missouristate.edu/kenvollmar/mars/

The next step is to improve your reverse engineering skills (if needed). We suggest reading [this excellent guide] (http://psnpt.com/joomla/index.php/articles/39-tutorials) about reverse engineering for the PSP.

If you have questions, don't hesitate to ask us!

Repository structure

uOFW's Github repository contains one 'master' branch and several sub-branches.

The master branch is aimed to contain only tested and working code (in fact, it should contain working modules). Please note that this is not entirely the case right now as we still need to test, and fix, some of the code in the master branch due to the past repository structure.

Then there are sub-branches which are aimed to each represent a module currently being worked on. Such a branch contains unfinished, untested and undocumented code about the module it is named after. Once such a branch contains finished, documented code (that is, the module has been finished reverse-engineering) it will be merged into the 'master' branch. Currently, there are three sub-branches: [clockgen] (https://github.com/uofw/uofw/tree/clockgen), memlmd, power

Additional Information

While you reverse-engineer parts of the PSP's kernel, you may will find yourself in a position where you would like to know more about how Operating Systems work in general. We suggest to check out this webpage.

If you are looking for more PSP-related resources, you should consider checking out the following links below:

Other websites are:

Questions or need help?

You can stay in touch with us and discuss project-related topics with us via the following ways:

  • via IRC on the FreeNode server (irc.freenode.net) (join the channel #uofw)
  • via e-mail

Copyright and License

For copyright and license information, please check this file