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PowerPC Altivec/VMX Extension Module

The PowerPC processor module in IDA Pro does not handle Altivec/VMX instructions. Many well-known PowerPC implementations include support for Altivec (such as the Apple G4/G5 range, or the majority of next generation game consoles). Fortunately IDA Pro supports the concept of extension modules that can add support for non-standard instructions, so this extension adds support for the Altivec instruction set.

INSTALLATION

Place the appropriate processor extension module ppcaltivec64.(dll/so/dylib) (currently only 64-bit IDA has been compiled for) within your IDA Pro 'plugins' directory. By default the plugin is active when dealing with PPC code, but you can disable/re-enable the plugin by using the entry in the Edit/Plugins menu. If you want the plugin to be disabled on load, you will have to edit this source code. Change the value of g_HookState to 'kDisabled' and rebuild.

COMPILING

Windows

On Windows, you should be able to open the solution and compile, provided you have the idasdk70 folder inside C:\Program Files\IDA 7.0.

macOS / Linux

Place the project folder inside idasdk70/plugins. cd to idasdk70 then run make:

Run $ make -C plugins/ppcaltivec __EA64__=1 __MAC__=1 NDEBUG=1

Change __MAC__ to __LINUX__ if applicable.

The output binary will be in idasdk70/bin/plugins

cmake

You may also use CMake

$ mkdir PPC-Altivec-IDA/cmake-build
$ cd PPC-Altivec-IDA/cmake-build
$ cmake -D IDASDK:string="/Applications/IDA Pro 7.0/idasdk70" ..
$ make

Replace IDASDK variable with path to the IDA SDK on your system.

CHANGELOG

27.03.05 - Dean - V1.0

• Created

14.05.05 - Dean - V1.1

• Correction to operand register number extraction.
• Correction to operand order for vmaddfp.
• Now handles initial analysis without any additional hassle.
• Added support for Altivec opcodes with 4 parameters.

22.05.05 - Dean - V1.2

• Added support for auto comments.

26.09.05 - Dean - V1.3

• Support for IDA Pro 4.9

07.12.10 - xorloser - V1.8

• Support for Gekko instructions merged from the Gekko extension module created by HyperIris.
• Also incldued support for SPRG names for PS3 as added by Tridentsx.

12.03.18 yui-konnu V1.9

• Support for IDA 7. Added SPRG descriptions to auto-comments.

03.04.18 yui-konnu V1.9.1

• Added Linux/macOS build methods.

08.06.18 yui-konnu V1.9.1

• Added CMake build file.