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Setup a Development Environment

  1. Install Vivado

  2. Install the required drivers

$ ./tools/install_drivers.sh
  1. Launch Vivado and open hardware project (File|Open Project)
  • Select the .xpr file in hardware/zc702_3
  1. Export hardware (File|Export Hardware) to ./software/

  2. Open the SDK (File|Launch SDK)

  • Exported location: ./software/
  • Workspace: ./software/
  1. Import existing projects (File|Open projects from File System...)
  • Import source: ./software/

Useful debugging and testing parameters

Throughout the code I've place numerous #ifdefs to make our debugging life easier. These include:

  • TRUST_IO - Trust.IO enabled when this flag is set
  • DEBUG - Will print useful debug information
  • TIMING - Will print timing information so that can measure our impact

To enable/disable any of these from the SDK:

  1. Right click on the the project name and select C/C++ Build Settings.
  2. Under ARM v7 gcc compiler, select Symbols
  3. In Defined symboles (-D) add or remove the desired definitions

OP-TEE Implementation

For the implementation on OP-TEE, please refer optee folder.

Useful Links

https://community.arm.com/tools/f/discussions/453/running-trustzone

http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0333h/Chdfjdgi.html

https://genode.org/documentation/articles/trustzone

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A method for automatically protecting the physical interfaces on cyber-physical systems using TrustZone.

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