<?xml version="1.0" encoding="UTF-8" ?>
<?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>How to handle a AArch64.SystemAccessTrap(EL2, 0x18) in baremetal?</title><link>https://community.arm.com/developer/tools-software/tools/f/arm-compilers-forum/47624/how-to-handle-a-aarch64-systemaccesstrap-el2-0x18-in-baremetal</link><description> I am trying to do follow this tutorial on baremetal code ( https://github.com/s-matyukevich/raspberry-pi-os/blob/master/docs/lesson03/rpi-os.md ) using QEMU. Specifically, starting at EL1, I&amp;#39;m trying to handle an exception at EL2 and then return to EL1</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: How to handle a AArch64.SystemAccessTrap(EL2, 0x18) in baremetal?</title><link>https://community.arm.com/thread/167460?ContentTypeID=1</link><pubDate>Mon, 14 Sep 2020 00:42:40 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:a5325196-d37b-41e6-a0df-40a6bfc2168b</guid><dc:creator>Ronan Synnott</dc:creator><description>&lt;p&gt;You may find the below document useful&lt;/p&gt;
&lt;p&gt;&lt;a href="https://developer.arm.com/architectures/learn-the-architecture/exception-model"&gt;developer.arm.com/.../exception-model&lt;/a&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>