blob: d9678513842130249a1fe250232d68454d600632 [file] [log] [blame]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>CPSR M field values</title>
<title>CMSIS-Core (Cortex-A): CPSR M field values</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="cmsis.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<script type="text/javascript" src="printComponentTabs.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
$(window).load(resizeHeight);
</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 46px;">
<td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td>
<td style="padding-left: 0.5em;">
<div id="projectname">CMSIS-Core (Cortex-A)
&#160;<span id="projectnumber">Version 1.1.4</span>
</div>
<div id="projectbrief">CMSIS-Core support for Cortex-A processor-based devices</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<div id="CMSISnav" class="tabs1">
<ul class="tablist">
<script type="text/javascript">
<!--
writeComponentTabs.call(this);
//-->
</script>
</ul>
</div>
<!-- Generated by Doxygen 1.8.6 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main&#160;Page</span></a></li>
<li><a href="pages.html"><span>Usage&#160;and&#160;Description</span></a></li>
<li><a href="modules.html"><span>Reference</span></a></li>
<li>
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('group__CMSIS__CPSR__M.html','');});
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark">&#160;</span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark">&#160;</span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark">&#160;</span>Pages</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div class="header">
<div class="summary">
<a href="#define-members">Macros</a> </div>
<div class="headertitle">
<div class="title">CPSR M field values<div class="ingroups"><a class="el" href="group__CMSIS__CPSR.html">Current Program Status Register (CPSR)</a></div></div> </div>
</div><!--header-->
<div class="contents">
<p>Valid values for CPSR M field.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:gad716a0ee4dc815f0f01e1339d6511a4e"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPSR__M.html#gad716a0ee4dc815f0f01e1339d6511a4e">CPSR_M_USR</a>&#160;&#160;&#160;0x10U</td></tr>
<tr class="memdesc:gad716a0ee4dc815f0f01e1339d6511a4e"><td class="mdescLeft">&#160;</td><td class="mdescRight">CPSR: M User mode (PL0) <a href="#gad716a0ee4dc815f0f01e1339d6511a4e">More...</a><br/></td></tr>
<tr class="separator:gad716a0ee4dc815f0f01e1339d6511a4e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga868ef12e003f541f90a613ca7f6ada74"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPSR__M.html#ga868ef12e003f541f90a613ca7f6ada74">CPSR_M_FIQ</a>&#160;&#160;&#160;0x11U</td></tr>
<tr class="memdesc:ga868ef12e003f541f90a613ca7f6ada74"><td class="mdescLeft">&#160;</td><td class="mdescRight">CPSR: M Fast Interrupt mode (PL1) <a href="#ga868ef12e003f541f90a613ca7f6ada74">More...</a><br/></td></tr>
<tr class="separator:ga868ef12e003f541f90a613ca7f6ada74"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gada3f31a773f7fc7bf6567d598cf3a1db"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPSR__M.html#gada3f31a773f7fc7bf6567d598cf3a1db">CPSR_M_IRQ</a>&#160;&#160;&#160;0x12U</td></tr>
<tr class="memdesc:gada3f31a773f7fc7bf6567d598cf3a1db"><td class="mdescLeft">&#160;</td><td class="mdescRight">CPSR: M Interrupt mode (PL1) <a href="#gada3f31a773f7fc7bf6567d598cf3a1db">More...</a><br/></td></tr>
<tr class="separator:gada3f31a773f7fc7bf6567d598cf3a1db"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga5afcb85bd2968acc2b09cb9d99c531ad"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPSR__M.html#ga5afcb85bd2968acc2b09cb9d99c531ad">CPSR_M_SVC</a>&#160;&#160;&#160;0x13U</td></tr>
<tr class="memdesc:ga5afcb85bd2968acc2b09cb9d99c531ad"><td class="mdescLeft">&#160;</td><td class="mdescRight">CPSR: M Supervisor mode (PL1) <a href="#ga5afcb85bd2968acc2b09cb9d99c531ad">More...</a><br/></td></tr>
<tr class="separator:ga5afcb85bd2968acc2b09cb9d99c531ad"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga69d734db93f67899b4bffcf62f80f098"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPSR__M.html#ga69d734db93f67899b4bffcf62f80f098">CPSR_M_MON</a>&#160;&#160;&#160;0x16U</td></tr>
<tr class="memdesc:ga69d734db93f67899b4bffcf62f80f098"><td class="mdescLeft">&#160;</td><td class="mdescRight">CPSR: M Monitor mode (PL1) <a href="#ga69d734db93f67899b4bffcf62f80f098">More...</a><br/></td></tr>
<tr class="separator:ga69d734db93f67899b4bffcf62f80f098"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac8c0a99a21ef256f5d3115595a845bfa"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPSR__M.html#gac8c0a99a21ef256f5d3115595a845bfa">CPSR_M_ABT</a>&#160;&#160;&#160;0x17U</td></tr>
<tr class="memdesc:gac8c0a99a21ef256f5d3115595a845bfa"><td class="mdescLeft">&#160;</td><td class="mdescRight">CPSR: M Abort mode (PL1) <a href="#gac8c0a99a21ef256f5d3115595a845bfa">More...</a><br/></td></tr>
<tr class="separator:gac8c0a99a21ef256f5d3115595a845bfa"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga002c78f542ca5c5fdd02d2aeee9f6988"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPSR__M.html#ga002c78f542ca5c5fdd02d2aeee9f6988">CPSR_M_HYP</a>&#160;&#160;&#160;0x1AU</td></tr>
<tr class="memdesc:ga002c78f542ca5c5fdd02d2aeee9f6988"><td class="mdescLeft">&#160;</td><td class="mdescRight">CPSR: M Hypervisor mode (PL2) <a href="#ga002c78f542ca5c5fdd02d2aeee9f6988">More...</a><br/></td></tr>
<tr class="separator:ga002c78f542ca5c5fdd02d2aeee9f6988"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga07d4f42d6971c2f0cc25872008ddf5ef"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPSR__M.html#ga07d4f42d6971c2f0cc25872008ddf5ef">CPSR_M_UND</a>&#160;&#160;&#160;0x1BU</td></tr>
<tr class="memdesc:ga07d4f42d6971c2f0cc25872008ddf5ef"><td class="mdescLeft">&#160;</td><td class="mdescRight">CPSR: M Undefined mode (PL1) <a href="#ga07d4f42d6971c2f0cc25872008ddf5ef">More...</a><br/></td></tr>
<tr class="separator:ga07d4f42d6971c2f0cc25872008ddf5ef"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaa0a3996ce096cd205bce34f90b10912c"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CMSIS__CPSR__M.html#gaa0a3996ce096cd205bce34f90b10912c">CPSR_M_SYS</a>&#160;&#160;&#160;0x1FU</td></tr>
<tr class="memdesc:gaa0a3996ce096cd205bce34f90b10912c"><td class="mdescLeft">&#160;</td><td class="mdescRight">CPSR: M System mode (PL1) <a href="#gaa0a3996ce096cd205bce34f90b10912c">More...</a><br/></td></tr>
<tr class="separator:gaa0a3996ce096cd205bce34f90b10912c"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>The M field can contain one of these values which indicates the current processor mode. </p>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="gac8c0a99a21ef256f5d3115595a845bfa"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define CPSR_M_ABT&#160;&#160;&#160;0x17U</td>
</tr>
</table>
</div><div class="memdoc">
<p>Abort mode is the default mode to which a Data Abort exception or Prefetch Abort exception is taken. </p>
</div>
</div>
<a class="anchor" id="ga868ef12e003f541f90a613ca7f6ada74"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define CPSR_M_FIQ&#160;&#160;&#160;0x11U</td>
</tr>
</table>
</div><div class="memdoc">
<p>FIQ mode is the default mode to which an FIQ interrupt is taken. </p>
</div>
</div>
<a class="anchor" id="ga002c78f542ca5c5fdd02d2aeee9f6988"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define CPSR_M_HYP&#160;&#160;&#160;0x1AU</td>
</tr>
</table>
</div><div class="memdoc">
<p>Hyp mode is the Non-secure PL2 mode, implemented as part of the Virtualization Extensions. Hyp mode is entered on taking an exception from Non-secure state that must be taken to PL2. </p>
</div>
</div>
<a class="anchor" id="gada3f31a773f7fc7bf6567d598cf3a1db"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define CPSR_M_IRQ&#160;&#160;&#160;0x12U</td>
</tr>
</table>
</div><div class="memdoc">
<p>IRQ mode is the default mode to which an IRQ interrupt is taken. </p>
</div>
</div>
<a class="anchor" id="ga69d734db93f67899b4bffcf62f80f098"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define CPSR_M_MON&#160;&#160;&#160;0x16U</td>
</tr>
</table>
</div><div class="memdoc">
<p>Monitor mode is the mode to which a Secure Monitor Call exception is taken. </p>
</div>
</div>
<a class="anchor" id="ga5afcb85bd2968acc2b09cb9d99c531ad"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define CPSR_M_SVC&#160;&#160;&#160;0x13U</td>
</tr>
</table>
</div><div class="memdoc">
<p>Supervisor mode is the default mode to which a Supervisor Call exception is taken. </p>
</div>
</div>
<a class="anchor" id="gaa0a3996ce096cd205bce34f90b10912c"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define CPSR_M_SYS&#160;&#160;&#160;0x1FU</td>
</tr>
</table>
</div><div class="memdoc">
<p>Software executing in System mode executes at PL1. System mode has the same registers available as User mode, and is not entered by any exception. </p>
</div>
</div>
<a class="anchor" id="ga07d4f42d6971c2f0cc25872008ddf5ef"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define CPSR_M_UND&#160;&#160;&#160;0x1BU</td>
</tr>
</table>
</div><div class="memdoc">
<p>Undefined mode is the default mode to which an instruction-related exception, including any attempt to execute an UNDEFINED instruction, is taken. </p>
</div>
</div>
<a class="anchor" id="gad716a0ee4dc815f0f01e1339d6511a4e"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define CPSR_M_USR&#160;&#160;&#160;0x10U</td>
</tr>
</table>
</div><div class="memdoc">
<p>An operating system runs applications in User mode to restrict the use of system resources. Software executing in User mode executes at PL0. Execution in User mode is sometimes described as unprivileged execution. </p>
</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="footer">Generated on Wed Jul 10 2019 15:20:27 for CMSIS-Core (Cortex-A) Version 1.1.4 by Arm Ltd. All rights reserved.
<!--
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6
-->
</li>
</ul>
</div>
</body>
</html>