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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>_fp_init startup code crashing</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/27853/_fp_init-startup-code-crashing</link><description> 
I have a strange failure happening in the _fp_init function which
is part of the C library startup code. When my application does NOT
include a 3rd party library, the _fp_init function looks like
this: 

 
_fp_init: B510 PUSH {r4, lr} F7FEFAE6 BL.W</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: _fp_init startup code crashing</title><link>https://community.arm.com/thread/79299?ContentTypeID=1</link><pubDate>Tue, 17 May 2011 07:51:13 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:2d9b1a90-1124-40fb-b788-aee0cc924b8c</guid><dc:creator>Ken Maxwell</dc:creator><description>&lt;p&gt;&lt;p&gt;
That was it. The project I created for the library had an option
for &amp;quot;Floating Point Hardware&amp;quot; on the Options|Target page. Not sure
why that option appears since I had chosen the AT91SAM3U4E processor,
this option doesn&amp;#39;t appear on the application project with the same
processor selection. I don&amp;#39;t understand that still. Anyway once I set
that option to &amp;quot;Not Used&amp;quot; and re-built the lib and re-linked
everything was good. Thanks!&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: _fp_init startup code crashing</title><link>https://community.arm.com/thread/59433?ContentTypeID=1</link><pubDate>Tue, 17 May 2011 02:41:17 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:10ca3739-c466-4c06-8d8d-c970da6076fe</guid><dc:creator>Robert &amp;#160;</dc:creator><description>&lt;p&gt;&lt;p&gt;
It is not strange.&lt;/p&gt;

&lt;p&gt;
It seems that you 3rd party library is built for HW FPU which will
upgrade the entire image to use HW FPU. Initialization of FPU will
therefore cause an abort.&lt;/p&gt;

&lt;p&gt;
Take a look at the following Knowledge Article:&lt;br /&gt;

&lt;a href="http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/ka4110.html"&gt;infocenter.arm.com/.../index.jsp&lt;/a&gt;&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>