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Using CCStudio v4 to create a custom RTSC platform
The memory map for an executable is determined by the device (which has internal memory) and the hardware board (which has external memory). When you create a CCS v4.x project for an application that uses XDCtools and SYS/BIOS, you will need to select a "RTSC platform". The memory map for both on-device and external memory is determined by the RTSC platform. The RTSC platform also sets the clock speed and specifies memory section placement. You will need to select a RTSC platform when you create a new project or change the CCS build settings, not when you create a RTSC configuration. Executables that need different memory maps must use different RTSC platforms even if they run on the same type of board. The RTSC platform is tied to a particular device (CPU) and gets the internal memory map from the device —- for example, IRAM and FLASH. The RTSC platform also contains the external memory specifications and cache settings. The internal and external memory segments together form the memory map.
Choosing an Available RTSC Platform
Before building a SYS/BIOS 6.x executable, you need to select the hardware board you will be using. You do this by selecting a RTSC platform either when creating a CCS project or in the RTSC tab of the project’s CCS Build properties. The RTSC Platform field provides a drop-down list of all available RTSC platforms that match your RTSC Target; these items represent various evaluation boards available for your chosen device (CPU). In most cases, you begin application development using one of the evaluation boards, and can select one of the standard platforms from the drop-down list.
You should select one of existing platforms if all of the following are true:
- You are in the development phase and are using an evaluation board.
- You do not care about cache sizes and are satisfied with the defaults set by the existing RTSC platform.
- You do not want to change the default section placement.
- You want the same clock rate as the evaluation board.
If any of the the above conditions do not apply, then you must create a custom RTSC platform. You may use the New Platform Wizard from within Code Composer Studio to do this.
Go here to see a demonstration of how to use the RTSC Platform Wizard.