Cvm tool: Difference between revisions

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A program to extract and repack [[CVM]] files. <br>
cvm_tool was released by roxfan in 2010. It can split the [[CVM|.cvm]] into a header and ISO file. You can then edit the contents of the archive and create a new ROFS image.
<br>
The tool can be found [https://github.com/mchubby/RE-games-attic/tree/master/sega-nextech/cvm_tool%20%5Broxfan%5D here]
The tool can be found [https://github.com/mchubby/RE-games-attic/tree/master/sega-nextech/cvm_tool%20%5Broxfan%5D here]


=Usage=
=Usage=
Use the following command to:
Use the following commands to:  
<br>
<ul><li>Extract ISO file from a ROFS image:<br><code>split [-p <password>] <file.cvm> <file.iso> [<file.hdr>]</code></li>
'''Output an ISO file for you to edit:'''
<li>Create a ROFS image from an ISO file and header file:<br><code>mkcvm [-p <password>] <file.cvm> <file.iso>  <file.hdr></code></li></ul>
<br>
 
<code>cvm_tool.exe -p qi2o@9a! split OGRE2.CVM  OGRE2.iso OGRE2.hdr</code>
===For Linux===
<br>
You can build cvmtool by cloning this [https://github.com/JayFoxRox/cvm_tool repository].
'''Use this to repack your CVM back:'''
 
<br>
*Go to the cloned repository directory and create a new directory for building and go there.
<code>cvm_tool.exe -p qi2o@9a! mkcvm OGRE2.CVM  OGRE2.iso OGRE2.hdr</code>
*Use the command <code>cmake ..</code> then <code>make</code>
*Use the commands above with <code>cvm_tool</code> before them.
[[Category:Tools]]

Latest revision as of 00:54, 6 April 2025

cvm_tool was released by roxfan in 2010. It can split the .cvm into a header and ISO file. You can then edit the contents of the archive and create a new ROFS image.
The tool can be found here

Usage

Use the following commands to:

  • Extract ISO file from a ROFS image:
    split [-p <password>] <file.cvm> <file.iso> [<file.hdr>]
  • Create a ROFS image from an ISO file and header file:
    mkcvm [-p <password>] <file.cvm> <file.iso> <file.hdr>

For Linux

You can build cvmtool by cloning this repository.

  • Go to the cloned repository directory and create a new directory for building and go there.
  • Use the command cmake .. then make
  • Use the commands above with cvm_tool before them.