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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>[ARMv7] Exception Priorities?</title><link>https://community.arm.com/developer/tools-software/tools/f/armds-forum/877/armv7-exception-priorities</link><description> Note: This was originally posted on 14th June 2011 at http://forums.arm.com Hi, I see registers PRIn (starting from E000E400) are registers for changing priorities of external interrupts.&amp;#160; But, after searched over my manuals, I have not found what are</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: [ARMv7] Exception Priorities?</title><link>https://community.arm.com/thread/2491?ContentTypeID=1</link><pubDate>Wed, 11 Sep 2013 11:03:52 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:5e4d7d29-2e43-4be9-9bbc-c91b8af49e1a</guid><dc:creator>Joseph Yiu</dc:creator><description>&lt;div&gt;&lt;i&gt;Note: This was originally posted on 14th June 2011 at &lt;a href="http://forums.arm.com"&gt;http://forums.arm.com&lt;/a&gt;&lt;/i&gt;&lt;br /&gt;&lt;br /&gt;&lt;span&gt;The Cortex-M3 generic user guide should be able to help:&lt;/span&gt;&lt;br /&gt;&lt;span&gt;&lt;a href="http://infocenter.arm.com/help/topic/com.arm.doc.dui0552a/DUI0552A_cortex_m3_dgug.pdf" target="_blank"&gt;http://infocenter.arm.com/help/topic/com.arm.doc.dui0552a/DUI0552A_cortex_m3_dgug.pdf&lt;/a&gt;&lt;/span&gt;&lt;br /&gt;&lt;span&gt;(section 4.3.8 System Handler Priority Registers)&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span&gt;regards,&lt;/span&gt;&lt;br /&gt;&lt;span&gt;Joseph&lt;/span&gt;&lt;/div&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: [ARMv7] Exception Priorities?</title><link>https://community.arm.com/thread/2490?ContentTypeID=1</link><pubDate>Wed, 11 Sep 2013 11:03:52 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:672895b3-7f55-4992-b200-c6a3dc40e98e</guid><dc:creator>Woody Wu</dc:creator><description>&lt;div&gt;&lt;i&gt;Note: This was originally posted on 14th June 2011 at &lt;a href="http://forums.arm.com"&gt;http://forums.arm.com&lt;/a&gt;&lt;/i&gt;&lt;br /&gt;&lt;br /&gt;&lt;blockquote&gt;&lt;br /&gt;Sorry, I mean No.4 - No.15 since No.1 to No.3 have fixed priorities.&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;/blockquote&gt;&lt;br /&gt;&lt;br /&gt;&lt;span&gt;Okay, I found the answer: they are SHPR[1-3] registers. &lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: [ARMv7] Exception Priorities?</title><link>https://community.arm.com/thread/2489?ContentTypeID=1</link><pubDate>Wed, 11 Sep 2013 11:03:52 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:7907199e-55c1-44d2-83f0-aa22d275cb62</guid><dc:creator>Woody Wu</dc:creator><description>&lt;div&gt;&lt;i&gt;Note: This was originally posted on 14th June 2011 at &lt;a href="http://forums.arm.com"&gt;http://forums.arm.com&lt;/a&gt;&lt;/i&gt;&lt;br /&gt;&lt;br /&gt;&lt;blockquote&gt;&lt;br /&gt;Hi,&lt;br /&gt;&lt;br /&gt;I see registers PRIn (starting from E000E400) are registers for changing priorities of external interrupts.&amp;#160; But, after searched over my manuals, I have not found what are registers for changing priorities for system exceptions (no.1 -- no.15).&amp;#160;&amp;#160;&amp;#160; Could someone tell me?&lt;br /&gt;&lt;br /&gt;Thanks in advance.&lt;br /&gt;-&lt;br /&gt;narke&lt;br /&gt;&lt;/blockquote&gt;&lt;br /&gt;&lt;br /&gt;&lt;span&gt;Sorry, I mean No.4 - No.15 since No.1 to No.3 have fixed priorities.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>