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<?xml-stylesheet type="text/xsl" href="https://community.arm.com/utility/feedstylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>Cortex-M0+ core Hang up in FFFF FFFEh address when executing DSB instruction.</title><link>https://community.arm.com/developer/ip-products/processors/f/cortex-a-forum/47627/cortex-m0-core-hang-up-in-ffff-fffeh-address-when-executing-dsb-instruction</link><description> Hi, I am porting FreeRTOS to my M0+ device now. 
 I faced an issue CPU hang-up when DSB instruction executed. 
 Then Program Counter showed &amp;quot;FFFF FFFEh&amp;quot; and Exc value of xpsr is 0x03. So, I knew Hard_Fault error interrupt is happened. 
 But it has interrupt</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: Cortex-M0+ core Hang up in FFFF FFFEh address when executing DSB instruction.</title><link>https://community.arm.com/thread/168235?ContentTypeID=1</link><pubDate>Thu, 22 Oct 2020 23:18:21 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:dc977e85-0030-4832-8695-35c15e3a8418</guid><dc:creator>fixxxer</dc:creator><description>&lt;p&gt;&lt;a href="/members/ponsuke606" class="internal-link view-user-profile"&gt;Ponsuke606&lt;/a&gt;, not sure how this fits under &amp;quot;Infrastructure Solutions&amp;quot;. This post has been moved to the &amp;quot;Cortex-A / A-Profile&amp;quot; category &lt;strong&gt;[1].&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;[1]:&amp;nbsp;&lt;a href="/developer/ip-products/processors/f/cortex-a-forum"&gt;https://community.arm.com/developer/ip-products/processors/f/cortex-a-forum&lt;/a&gt;&lt;/p&gt;
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