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Difference between revisions of "Building for XMEGA"

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<li>We want to use the existing SimpleSerial firmware as a base for our project, but we don't want to edit the existing firmware. Instead, we'll make a new project with a copy of this firmware. Copy the directory of the firmware you want to modify in the <code>chipwhisperer/hardware/vicitims/firmware</code> to a new folder. The folder you copy will depend on what tutorial you're doing. For example, if you want to modify the <code>simpleserial-base</code> firmware, copy the contents of the  <code>simpleserial-base</code> folder to a new one, while if you want to modify <code>simpleserial-aes</code>copy that folder instead. The name is arbitrary, but for this example, we'll call it <code>simpleserial-base-lab1</code>. You must keep it in the same directory, as it will reference other files within that directory for the build process.</li>
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<li>We want to use the existing SimpleSerial firmware as a base for our project, but we don't want to edit the existing firmware. Instead, we'll make a new project with a copy of this firmware. Copy the directory of the firmware you want to modify in the <code>chipwhisperer/hardware/vicitims/firmware</code> to a new folder. '''The folder you copy will depend on what tutorial you're doing. Typically, the firmware you want to use is listed above the "Building for ..." drop down menus in this wiki.''' The name is arbitrary, but for this example, we'll call it <code>simpleserial-LAB-SPECIFIC-FOLDER</code> (though depending on what firmware and tutorial you're working off of, you may want to call it something different). You must keep it in the same directory, as it will reference other files within that directory for the build process.
 +
</li>
 
<li>Open a terminal with avr-gcc in the path. If using Windows the sidebar on the [[Installing_ChipWhisperer]] page - you can either add WinAVR to your system path, or you can run the 'winavr.bat' file suggested.
 
<li>Open a terminal with avr-gcc in the path. If using Windows the sidebar on the [[Installing_ChipWhisperer]] page - you can either add WinAVR to your system path, or you can run the 'winavr.bat' file suggested.
 
</li>
 
</li>
 
<li><p>Change the terminal to the newly copied directory. For example:</p>
 
<li><p>Change the terminal to the newly copied directory. For example:</p>
−
Windows:<pre>cd c:\chipwhisperer\hardware\victims\firmware\simpleserial-base-lab1</pre>
+
Windows:<pre>cd c:\chipwhisperer\hardware\victims\firmware\simpleserial-LAB-SPECIFIC-FOLDER</pre>
−
Linux/macOS:<pre>cd chipwhisperer/hardware/victims/firmware/simpleserial-base-lab1</pre></li>
+
Linux/macOS:<pre>cd chipwhisperer/hardware/victims/firmware/simpleserial-LAB-SPECIFIC-FOLDER</pre></li>
 
<li><p>Then, run <code>make</code> to build the system. Make sure you specify which platform you're using as your target. For example, for the ChipWhisperer Lite target, run</p>
 
<li><p>Then, run <code>make</code> to build the system. Make sure you specify which platform you're using as your target. For example, for the ChipWhisperer Lite target, run</p>
 
<pre>make PLATFORM=CW303</pre>
 
<pre>make PLATFORM=CW303</pre>

Latest revision as of 06:33, 25 February 2019

You'll need to have installed avr-gcc and avr-libc. You may have already done this by following the installation guide, or if using the ChipWhisperer-VM it comes prepared with avr-gcc already setup. See the Installing_ChipWhisperer guide for details.

Once you have a working compiler (check by typing 'avr-gcc' at the command line - if using Windows you may need to setup a special batch file to provide you with a avr-gcc command prompt).

  1. We want to use the existing SimpleSerial firmware as a base for our project, but we don't want to edit the existing firmware. Instead, we'll make a new project with a copy of this firmware. Copy the directory of the firmware you want to modify in the chipwhisperer/hardware/vicitims/firmware to a new folder. The folder you copy will depend on what tutorial you're doing. Typically, the firmware you want to use is listed above the "Building for ..." drop down menus in this wiki. The name is arbitrary, but for this example, we'll call it simpleserial-LAB-SPECIFIC-FOLDER (though depending on what firmware and tutorial you're working off of, you may want to call it something different). You must keep it in the same directory, as it will reference other files within that directory for the build process.
  2. Open a terminal with avr-gcc in the path. If using Windows the sidebar on the Installing_ChipWhisperer page - you can either add WinAVR to your system path, or you can run the 'winavr.bat' file suggested.

  3. Change the terminal to the newly copied directory. For example:

    Windows:
    cd c:\chipwhisperer\hardware\victims\firmware\simpleserial-LAB-SPECIFIC-FOLDER
    Linux/macOS:
    cd chipwhisperer/hardware/victims/firmware/simpleserial-LAB-SPECIFIC-FOLDER

  4. Then, run make to build the system. Make sure you specify which platform you're using as your target. For example, for the ChipWhisperer Lite target, run

    make PLATFORM=CW303

    Which should have the following output:

    ...Bunch of lines removed...
Creating Extended Listing: simpleserial-base.lss
avr-objdump -h -S -z simpleserial-base.elf > simpleserial-base.lss

Creating Symbol Table: simpleserial-base.sym
avr-nm -n simpleserial-base.elf > simpleserial-base.sym

Size after:
AVR Memory Usage
----------------
Device: atxmega128d3

Program:    1524 bytes (1.1% Full)
(.text + .data + .bootloader)

Data:        224 bytes (2.7% Full)
(.data + .bss + .noinit)


Built for platform CW-Lite XMEGA

-------- end --------

    5. Ensure that the "Built for platform ___" matches your target device.

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