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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>sp register minus fault in stp instruction</title><link>https://community.arm.com/developer/ip-products/processors/f/cortex-a-forum/47687/sp-register-minus-fault-in-stp-instruction</link><description> summary: 
 sp (0000000012108d90) - 48 = 0x 4 000000012108d60 when exec stp instruction (62 bit become 1). Could anyone help to explain why this happen? Thanks. 
 
 the details in below: 
 We get a level 0 translation fault when exec the instruction below</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: sp register minus fault in stp instruction</title><link>https://community.arm.com/thread/167648?ContentTypeID=1</link><pubDate>Thu, 24 Sep 2020 08:48:50 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:d78af67a-d3d6-4880-bf63-bcd1812d0725</guid><dc:creator>Jason69s</dc:creator><description>&lt;p&gt;This is our private OS (a hypervisor), the exception is happened in EL2.&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
&lt;p&gt;Is it possible a software(OS) bug?&amp;nbsp;If so, in which situation will this happen? (&lt;span&gt;sp (0000000012108d90) - 0x30 = 0x&lt;/span&gt;&lt;span&gt;4&lt;/span&gt;&lt;span&gt;000000012108d60&amp;nbsp;&lt;/span&gt;)&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
&lt;p&gt;Thanks.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: sp register minus fault in stp instruction</title><link>https://community.arm.com/thread/167645?ContentTypeID=1</link><pubDate>Thu, 24 Sep 2020 07:37:18 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:0c48e8c8-74e2-478d-a9fa-1793387d1b7a</guid><dc:creator>42Bastian Schick</dc:creator><description>&lt;p&gt;Which OS?&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>