Documentation/Zone/html/zTEM2351.html - third_party/github/STMicroelectronics/cmsis_core - Git at Google

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 <div class="title">Nuvoton NuMicro M2351 </div>  </div>
 </div><!--header-->
 <div class="contents">
 <div class="textblock"><p>This single processor demo application shows how to do the <a class="el" href="UseCases.html#UseCase_TrustZone">TrustZone Partitioning</a>. It is split into a secure and non-secure part. Some peripherals are assigned to either the secure or the non-secure zone to demonstrate the generation of PPC setup and interrupt configuration in the partition.h template. Using CMSIS-Zone, it generates:</p>
 <ul>
 <li>A header file that contains #defines to control the various linker scatter files (and might be used in other parts of the application).</li>
 <li>Secure attribution unit (SAU) setup.</li>
 </ul>
 <p>The application itself shows how to implement calls between the secure and the non-secure part and how to use this to blink an LED.</p>
 <h1><a class="anchor" id="zTEM2351_Eclipse"></a>
 Using the CMSIS-Zone project</h1>
 <ul>
 <li><a class="el" href="zTExamples.html#zTExImport">Import</a> the project "Examples\M2351\Zone" into the CMSIS-Zone utility</li>
 <li><a class="el" href="zTUI.html#zTProjEx">Open</a> the M2351.azone file</li>
 <li><a class="el" href="zTUIGenerate.html">Generate</a> the related output files</li>
 </ul>
 <p>The M2351.azone file of that project has the following configuration settings:</p>
 <ul>
 <li><a class="el" href="zTUIZonePart.html#zTUICreate">Added the zones</a> <code>Secure</code> and <code>NonSecure</code> </li>
 <li><a class="el" href="zTUIMemPerRes.html#zTUIMemAdd">Created the memory regions</a> <code>CODE_NS</code>, <code>CODE_S</code>, <code>Veneer</code>, <code>DATA_NS</code>, and <code>DATA_S</code> </li>
 <li>Selected various memory regions and peripherals for using in the different zones: <div class="image">
 <img src="m2351_zones.png" alt="m2351_zones.png"/>
 </div>
 </li>
 </ul>
 <p>The zones use different Flash and SRAM regions for code and data. To generate the output, click on the <a class="el" href="zTUIGenerate.html">Generate</a> button in the Zone Editor tool bar. This creates the following files in the <code>ftl_gen</code> directory:</p>
 <table class="doxtable">
 <tr>
 <th align="left">Template File </th><th align="left">Generated File </th><th align="left">Description  </th></tr>
 <tr>
 <td align="left">helper.ftlinc </td><td align="left">N/A </td><td align="left">Helper template file with FTL functions. </td></tr>
 <tr>
 <td align="left">mem_layout.h.ftl </td><td align="left">mem_layout.h </td><td align="left">Header file that contains the memory region definitions, for example for the linker scatter file. </td></tr>
 <tr>
 <td align="left">partition_gen.h.ftl </td><td align="left">partition_gen.h </td><td align="left">Configuration of the secure attribution unit (SAU) and the NVIC interrupt assignment. </td></tr>
 <tr>
 <td align="left">scatter_ns.sct.ftl </td><td align="left">scatter_ns.sct </td><td align="left">Example scatter file for the non-secure zone. </td></tr>
 <tr>
 <td align="left">scatter_s.sct.ftl </td><td align="left">scatter_s.sct </td><td align="left">Example scatter file for the secure zone. </td></tr>
 </table>
 <p>These files can be used in any IDE to create the final application. In the following, the usage in Arm Keil MDK is described.</p>
 <h1><a class="anchor" id="zTEM2351_MDK"></a>
 Using the MDK project</h1>
 <p>The example project can be loaded, built and debugged in µVision by performing the following steps:</p>
 <ol type="1">
 <li>Navigate to Examples/M2351/MDK</li>
 <li>Open the multi-project workspace TrustZone.uvmpw</li>
 <li>Optional: Update the generated files by executing the copy_gen.bat scripts in Secure\mdk and NonSecure\mdk folders.</li>
 <li>Run the batch build in MDK. Both projects, Secure and NonSecure need to be compiled in order.</li>
 <li>Set <code>Secure</code> as active project.</li>
 <li>Connect the NuMaker-PFM-M2351 board using a Micro-USB cable at ICEJ.</li>
 <li>Open <b>Options for Target - Debug</b> and make sure that the NULink Debugger is selected.</li>
 <li>Launch a debug session and watch LEDG and LEDY blinking.</li>
 </ol>
 <h1><a class="anchor" id="zTEM2351_MDK_Setup"></a>
 MDK project setup</h1>
 <p>The multiproject workspace contains the <code>Secure</code> project and the <code>NonSecure</code> project:</p>
 <div class="image">
 <img src="m2351_proj_window.png" alt="m2351_proj_window.png"/>
 </div>
 <p>The projects use the files generated in CMSIS-Zone as follows:</p>
 <table class="doxtable">
 <tr>
 <th align="left">File </th><th align="left">Used in </th><th align="left">Description  </th></tr>
 <tr>
 <td align="left">mem_layout.h </td><td align="left">Secure, NonSecure </td><td align="left">Input for the scatter files. </td></tr>
 <tr>
 <td align="left">partition_gen.h </td><td align="left">Secure </td><td align="left">Configuration of the secure attribution unit (SAU) and the NVIC interrupt assignment. </td></tr>
 <tr>
 <td align="left">scatter_ns.sct </td><td align="left">NonSecure </td><td align="left">Scatter file for non-secure zone (initally based on generated file). </td></tr>
 <tr>
 <td align="left">scatter_s.sct </td><td align="left">Secure </td><td align="left">Scatter file for secure zone (initally based on generated file). </td></tr>
 </table>
 <p>The scatter files <code>scatter_s.sct</code> and <code>scatter_ns.sct</code> are using a preinclude to mem_layout.h to get the information about the different memory regions.</p>
 <dl class="section note"><dt>Note</dt><dd>If you want to learn more about the general project layout for an Armv8-M project using TrustZone, refer to <a href="https://www.keil.com/appnotes/docs/apnt_291.asp" target="_blank">Application Note 291</a>.</dd></dl>
 <h2><a class="anchor" id="zTEM2351_hwsScatter"></a>
 scatter_s.sct</h2>
 <p>As explained previously, the #defines in <code>mem_layout.h</code> can be used to create generic scatter files that are easy to update once changes in the CMSIS-Zone project happen. Using the <b>mem_layout.h</b> file from CMSIS-Zone, the following scatter file is used in the <code>Sections</code> project:</p>
 <div class="fragment"><div class="line"><span class="preprocessor">#! armclang -E --target=arm-arm-none-eabi -mcpu=cortex-m23 -I../ -xc</span></div>
 <div class="line"><span class="preprocessor"></span></div>
 <div class="line"><span class="preprocessor">#include &quot;mem_layout.h&quot;</span></div>
 <div class="line"></div>
 <div class="line">; *------- &lt;&lt;&lt; Use Configuration Wizard in Context Menu &gt;&gt;&gt; ------------------</div>
 <div class="line"></div>
 <div class="line">;&lt;h&gt; Stack Configuration</div>
 <div class="line">;  &lt;o&gt; Stack Size (in Bytes) &lt;0x0-0xFFFFFFFF:8&gt;</div>
 <div class="line">;&lt;/h&gt;</div>
 <div class="line"><span class="preprocessor">#define STACK_SIZE 0x400</span></div>
 <div class="line"><span class="preprocessor"></span></div>
 <div class="line">;&lt;h&gt; Heap Configuration</div>
 <div class="line">;  &lt;o&gt; Heap Size (in Bytes) &lt;0x0-0xFFFFFFFF:8&gt;</div>
 <div class="line">;&lt;/h&gt;</div>
 <div class="line"><span class="preprocessor">#define HEAP_SIZE 0xC00</span></div>
 <div class="line"><span class="preprocessor"></span></div>
 <div class="line">; *-------------- &lt;&lt;&lt; end of configuration section &gt;&gt;&gt; -----------------------</div>
 <div class="line">LR_CODE_S REGION_CODE_S_START REGION_CODE_S_SIZE {</div>
 <div class="line">  ER_CODE_S REGION_CODE_S_START REGION_CODE_S_SIZE {</div>
 <div class="line">      (RESET,+FIRST)</div>
 <div class="line">      (InRoot$$Sections)</div>
 <div class="line">    .ANY (+RO +XO)</div>
 <div class="line">  }</div>
 <div class="line">  RW_DATA_S REGION_DATA_S_START REGION_DATA_S_SIZE-HEAP_SIZE-STACK_SIZE {</div>
 <div class="line">    .ANY (+RW +ZI)</div>
 <div class="line">  }</div>
 <div class="line"><span class="preprocessor">#if HEAP_SIZE&gt;0</span></div>
 <div class="line"><span class="preprocessor"></span>  ARM_LIB_HEAP REGION_DATA_S_START+REGION_DATA_S_SIZE-HEAP_SIZE-STACK_SIZE EMPTY HEAP_SIZE {</div>
 <div class="line">  }</div>
 <div class="line"><span class="preprocessor">#endif</span></div>
 <div class="line"><span class="preprocessor"></span><span class="preprocessor">#if STACK_SIZE&gt;0</span></div>
 <div class="line"><span class="preprocessor"></span>  ARM_LIB_STACK REGION_DATA_S_START+REGION_DATA_S_SIZE-STACK_SIZE EMPTY STACK_SIZE {</div>
 <div class="line">  }</div>
 <div class="line"><span class="preprocessor">#endif</span></div>
 <div class="line"><span class="preprocessor"></span>}</div>
 <div class="line">LR_VENEER REGION_VENEER_START REGION_VENEER_SIZE {</div>
 <div class="line">  ER_VENEER REGION_VENEER_START REGION_VENEER_SIZE {</div>
 <div class="line">     (Veneer$$CMSE)</div>
 <div class="line">  }</div>
 <div class="line">}</div>
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	<div class="header">
	<div class="headertitle">
	<div class="title">Nuvoton NuMicro M2351 </div> </div>
	</div><!--header-->
	<div class="contents">
	<div class="textblock"><p>This single processor demo application shows how to do the <a class="el" href="UseCases.html#UseCase_TrustZone">TrustZone Partitioning</a>. It is split into a secure and non-secure part. Some peripherals are assigned to either the secure or the non-secure zone to demonstrate the generation of PPC setup and interrupt configuration in the partition.h template. Using CMSIS-Zone, it generates:</p>
	<ul>
	<li>A header file that contains #defines to control the various linker scatter files (and might be used in other parts of the application).</li>
	<li>Secure attribution unit (SAU) setup.</li>
	</ul>
	<p>The application itself shows how to implement calls between the secure and the non-secure part and how to use this to blink an LED.</p>
	<h1><a class="anchor" id="zTEM2351_Eclipse"></a>
	Using the CMSIS-Zone project</h1>
	<ul>
	<li><a class="el" href="zTExamples.html#zTExImport">Import</a> the project "Examples\M2351\Zone" into the CMSIS-Zone utility</li>
	<li><a class="el" href="zTUI.html#zTProjEx">Open</a> the M2351.azone file</li>
	<li><a class="el" href="zTUIGenerate.html">Generate</a> the related output files</li>
	</ul>
	<p>The M2351.azone file of that project has the following configuration settings:</p>
	<ul>
	<li><a class="el" href="zTUIZonePart.html#zTUICreate">Added the zones</a> <code>Secure</code> and <code>NonSecure</code> </li>
	<li><a class="el" href="zTUIMemPerRes.html#zTUIMemAdd">Created the memory regions</a> <code>CODE_NS</code>, <code>CODE_S</code>, <code>Veneer</code>, <code>DATA_NS</code>, and <code>DATA_S</code> </li>
	<li>Selected various memory regions and peripherals for using in the different zones: <div class="image">
	<img src="m2351_zones.png" alt="m2351_zones.png"/>
	</div>
	</li>
	</ul>
	<p>The zones use different Flash and SRAM regions for code and data. To generate the output, click on the <a class="el" href="zTUIGenerate.html">Generate</a> button in the Zone Editor tool bar. This creates the following files in the <code>ftl_gen</code> directory:</p>
	<table class="doxtable">
	<tr>
	<th align="left">Template File </th><th align="left">Generated File </th><th align="left">Description </th></tr>
	<tr>
	<td align="left">helper.ftlinc </td><td align="left">N/A </td><td align="left">Helper template file with FTL functions. </td></tr>
	<tr>
	<td align="left">mem_layout.h.ftl </td><td align="left">mem_layout.h </td><td align="left">Header file that contains the memory region definitions, for example for the linker scatter file. </td></tr>
	<tr>
	<td align="left">partition_gen.h.ftl </td><td align="left">partition_gen.h </td><td align="left">Configuration of the secure attribution unit (SAU) and the NVIC interrupt assignment. </td></tr>
	<tr>
	<td align="left">scatter_ns.sct.ftl </td><td align="left">scatter_ns.sct </td><td align="left">Example scatter file for the non-secure zone. </td></tr>
	<tr>
	<td align="left">scatter_s.sct.ftl </td><td align="left">scatter_s.sct </td><td align="left">Example scatter file for the secure zone. </td></tr>
	</table>
	<p>These files can be used in any IDE to create the final application. In the following, the usage in Arm Keil MDK is described.</p>
	<h1><a class="anchor" id="zTEM2351_MDK"></a>
	Using the MDK project</h1>
	<p>The example project can be loaded, built and debugged in µVision by performing the following steps:</p>
	<ol type="1">
	<li>Navigate to Examples/M2351/MDK</li>
	<li>Open the multi-project workspace TrustZone.uvmpw</li>
	<li>Optional: Update the generated files by executing the copy_gen.bat scripts in Secure\mdk and NonSecure\mdk folders.</li>
	<li>Run the batch build in MDK. Both projects, Secure and NonSecure need to be compiled in order.</li>
	<li>Set <code>Secure</code> as active project.</li>
	<li>Connect the NuMaker-PFM-M2351 board using a Micro-USB cable at ICEJ.</li>
	<li>Open <b>Options for Target - Debug</b> and make sure that the NULink Debugger is selected.</li>
	<li>Launch a debug session and watch LEDG and LEDY blinking.</li>
	</ol>
	<h1><a class="anchor" id="zTEM2351_MDK_Setup"></a>
	MDK project setup</h1>
	<p>The multiproject workspace contains the <code>Secure</code> project and the <code>NonSecure</code> project:</p>
	<div class="image">
	<img src="m2351_proj_window.png" alt="m2351_proj_window.png"/>
	</div>
	<p>The projects use the files generated in CMSIS-Zone as follows:</p>
	<table class="doxtable">
	<tr>
	<th align="left">File </th><th align="left">Used in </th><th align="left">Description </th></tr>
	<tr>
	<td align="left">mem_layout.h </td><td align="left">Secure, NonSecure </td><td align="left">Input for the scatter files. </td></tr>
	<tr>
	<td align="left">partition_gen.h </td><td align="left">Secure </td><td align="left">Configuration of the secure attribution unit (SAU) and the NVIC interrupt assignment. </td></tr>
	<tr>
	<td align="left">scatter_ns.sct </td><td align="left">NonSecure </td><td align="left">Scatter file for non-secure zone (initally based on generated file). </td></tr>
	<tr>
	<td align="left">scatter_s.sct </td><td align="left">Secure </td><td align="left">Scatter file for secure zone (initally based on generated file). </td></tr>
	</table>
	<p>The scatter files <code>scatter_s.sct</code> and <code>scatter_ns.sct</code> are using a preinclude to mem_layout.h to get the information about the different memory regions.</p>
	<dl class="section note"><dt>Note</dt><dd>If you want to learn more about the general project layout for an Armv8-M project using TrustZone, refer to <a href="https://www.keil.com/appnotes/docs/apnt_291.asp" target="_blank">Application Note 291</a>.</dd></dl>
	<h2><a class="anchor" id="zTEM2351_hwsScatter"></a>
	scatter_s.sct</h2>
	<p>As explained previously, the #defines in <code>mem_layout.h</code> can be used to create generic scatter files that are easy to update once changes in the CMSIS-Zone project happen. Using the <b>mem_layout.h</b> file from CMSIS-Zone, the following scatter file is used in the <code>Sections</code> project:</p>
	<div class="fragment"><div class="line"><span class="preprocessor">#! armclang -E --target=arm-arm-none-eabi -mcpu=cortex-m23 -I../ -xc</span></div>
	<div class="line"><span class="preprocessor"></span></div>
	<div class="line"><span class="preprocessor">#include "mem_layout.h"</span></div>
	<div class="line"></div>
	<div class="line">; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------</div>
	<div class="line"></div>
	<div class="line">;<h> Stack Configuration</div>
	<div class="line">; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8></div>
	<div class="line">;</h></div>
	<div class="line"><span class="preprocessor">#define STACK_SIZE 0x400</span></div>
	<div class="line"><span class="preprocessor"></span></div>
	<div class="line">;<h> Heap Configuration</div>
	<div class="line">; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8></div>
	<div class="line">;</h></div>
	<div class="line"><span class="preprocessor">#define HEAP_SIZE 0xC00</span></div>
	<div class="line"><span class="preprocessor"></span></div>
	<div class="line">; *-------------- <<< end of configuration section >>> -----------------------</div>
	<div class="line">LR_CODE_S REGION_CODE_S_START REGION_CODE_S_SIZE {</div>
	<div class="line"> ER_CODE_S REGION_CODE_S_START REGION_CODE_S_SIZE {</div>
	<div class="line"> (RESET,+FIRST)</div>
	<div class="line"> (InRoot$$Sections)</div>
	<div class="line"> .ANY (+RO +XO)</div>
	<div class="line"> }</div>
	<div class="line"> RW_DATA_S REGION_DATA_S_START REGION_DATA_S_SIZE-HEAP_SIZE-STACK_SIZE {</div>
	<div class="line"> .ANY (+RW +ZI)</div>
	<div class="line"> }</div>
	<div class="line"><span class="preprocessor">#if HEAP_SIZE>0</span></div>
	<div class="line"><span class="preprocessor"></span> ARM_LIB_HEAP REGION_DATA_S_START+REGION_DATA_S_SIZE-HEAP_SIZE-STACK_SIZE EMPTY HEAP_SIZE {</div>
	<div class="line"> }</div>
	<div class="line"><span class="preprocessor">#endif</span></div>
	<div class="line"><span class="preprocessor"></span><span class="preprocessor">#if STACK_SIZE>0</span></div>
	<div class="line"><span class="preprocessor"></span> ARM_LIB_STACK REGION_DATA_S_START+REGION_DATA_S_SIZE-STACK_SIZE EMPTY STACK_SIZE {</div>
	<div class="line"> }</div>
	<div class="line"><span class="preprocessor">#endif</span></div>
	<div class="line"><span class="preprocessor"></span>}</div>
	<div class="line">LR_VENEER REGION_VENEER_START REGION_VENEER_SIZE {</div>
	<div class="line"> ER_VENEER REGION_VENEER_START REGION_VENEER_SIZE {</div>
	<div class="line"> (Veneer$$CMSE)</div>
	<div class="line"> }</div>
	<div class="line">}</div>
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