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 103
 104 <div class="header">
 105   <div class="headertitle"><div class="title">exception.h</div></div>
 106 </div><!--header-->
 107 <div class="contents">
 108 <a href="exception_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
 109 <div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.</span></div>
 110 <div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
 111 <div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * SPDX-License-Identifier: BSD-3-Clause</span></div>
 112 <div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> */</span></div>
 113 <div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span> </div>
 114 <div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="preprocessor">#ifndef _HARDWARE_EXCEPTION_H</span></div>
 115 <div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="preprocessor">#define _HARDWARE_EXCEPTION_H</span></div>
 116 <div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span> </div>
 117 <div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="preprocessor">#include &quot;<a class="code" href="pico_8h.html">pico.h</a>&quot;</span></div>
 118 <div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="preprocessor">#include &quot;<a class="code" href="address__mapped_8h.html">hardware/address_mapped.h</a>&quot;</span></div>
 119 <div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span> </div>
 120 <div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment">// PICO_CONFIG: PARAM_ASSERTIONS_ENABLED_EXCEPTION, Enable/disable assertions in the exception module, type=bool, default=0, group=hardware_exception</span></div>
 121 <div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#ifndef PARAM_ASSERTIONS_ENABLED_EXCEPTION</span></div>
 122 <div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">#define PARAM_ASSERTIONS_ENABLED_EXCEPTION 0</span></div>
 123 <div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">#endif</span></div>
 124 <div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span> </div>
 125 <div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#ifdef __cplusplus</span></div>
 126 <div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
 127 <div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#endif</span></div>
 128 <div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span> </div>
 129 <div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="group__hardware__exception.html#ga504f1c3a5a6959d430665f5d72cf335a">   50</a></span><span class="keyword">enum</span> <a class="code hl_enumeration" href="group__hardware__exception.html#ga504f1c3a5a6959d430665f5d72cf335a">exception_number</a> {</div>
 130 <div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>    NMI_EXCEPTION        = -14,     <span class="comment">/* Non Maskable Interrupt */</span></div>
 131 <div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>    HARDFAULT_EXCEPTION  = -13,     <span class="comment">/* HardFault Interrupt */</span></div>
 132 <div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>    SVCALL_EXCEPTION     =  -5,     <span class="comment">/* SV Call Interrupt */</span></div>
 133 <div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>    PENDSV_EXCEPTION     =  -2,     <span class="comment">/* Pend SV Interrupt */</span></div>
 134 <div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>    SYSTICK_EXCEPTION    =  -1,     <span class="comment">/* System Tick Interrupt */</span></div>
 135 <div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>};</div>
 136 <div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span> </div>
 137 <div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="group__hardware__exception.html#ga4de8b8ce1d704966edfc547190f73f0b">   63</a></span><span class="keyword">typedef</span> void (*<a class="code hl_typedef" href="group__hardware__exception.html#ga4de8b8ce1d704966edfc547190f73f0b">exception_handler_t</a>)(void);</div>
 138 <div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span> </div>
 139 <div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><a class="code hl_typedef" href="group__hardware__exception.html#ga4de8b8ce1d704966edfc547190f73f0b">exception_handler_t</a> <a class="code hl_function" href="group__hardware__exception.html#ga0c49b97eb751230b3d77459e7bfe98f5">exception_set_exclusive_handler</a>(<span class="keyword">enum</span> <a class="code hl_enumeration" href="group__hardware__exception.html#ga504f1c3a5a6959d430665f5d72cf335a">exception_number</a> num, <a class="code hl_typedef" href="group__hardware__exception.html#ga4de8b8ce1d704966edfc547190f73f0b">exception_handler_t</a> handler);</div>
 140 <div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span> </div>
 141 <div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="keywordtype">void</span> <a class="code hl_function" href="group__hardware__exception.html#gabd73e0f58d5d1149a77a521c0dceb9cb">exception_restore_handler</a>(<span class="keyword">enum</span> <a class="code hl_enumeration" href="group__hardware__exception.html#ga504f1c3a5a6959d430665f5d72cf335a">exception_number</a> num, <a class="code hl_typedef" href="group__hardware__exception.html#ga4de8b8ce1d704966edfc547190f73f0b">exception_handler_t</a> original_handler);</div>
 142 <div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span> </div>
 143 <div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><a class="code hl_typedef" href="group__hardware__exception.html#ga4de8b8ce1d704966edfc547190f73f0b">exception_handler_t</a> <a class="code hl_function" href="group__hardware__exception.html#ga51b870aeeca94e21bd35bdfbab20e706">exception_get_vtable_handler</a>(<span class="keyword">enum</span> <a class="code hl_enumeration" href="group__hardware__exception.html#ga504f1c3a5a6959d430665f5d72cf335a">exception_number</a> num);</div>
 144 <div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="preprocessor">#ifdef __cplusplus</span></div>
 145 <div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>}</div>
 146 <div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="preprocessor">#endif</span></div>
 147 <div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span> </div>
 148 <div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="preprocessor">#endif</span></div>
 149 <div class="ttc" id="aaddress__mapped_8h_html"><div class="ttname"><a href="address__mapped_8h.html">address_mapped.h</a></div></div>
 150 <div class="ttc" id="agroup__hardware__exception_html_ga0c49b97eb751230b3d77459e7bfe98f5"><div class="ttname"><a href="group__hardware__exception.html#ga0c49b97eb751230b3d77459e7bfe98f5">exception_set_exclusive_handler</a></div><div class="ttdeci">exception_handler_t exception_set_exclusive_handler(enum exception_number num, exception_handler_t handler)</div><div class="ttdoc">Set the exception handler for an exception on the executing core.</div><div class="ttdef"><b>Definition:</b> exception.c:42</div></div>
 151 <div class="ttc" id="agroup__hardware__exception_html_ga4de8b8ce1d704966edfc547190f73f0b"><div class="ttname"><a href="group__hardware__exception.html#ga4de8b8ce1d704966edfc547190f73f0b">exception_handler_t</a></div><div class="ttdeci">void(* exception_handler_t)(void)</div><div class="ttdoc">Exception handler function type.</div><div class="ttdef"><b>Definition:</b> exception.h:63</div></div>
 152 <div class="ttc" id="agroup__hardware__exception_html_ga504f1c3a5a6959d430665f5d72cf335a"><div class="ttname"><a href="group__hardware__exception.html#ga504f1c3a5a6959d430665f5d72cf335a">exception_number</a></div><div class="ttdeci">exception_number</div><div class="ttdoc">Exception number definitions.</div><div class="ttdef"><b>Definition:</b> exception.h:50</div></div>
 153 <div class="ttc" id="agroup__hardware__exception_html_ga51b870aeeca94e21bd35bdfbab20e706"><div class="ttname"><a href="group__hardware__exception.html#ga51b870aeeca94e21bd35bdfbab20e706">exception_get_vtable_handler</a></div><div class="ttdeci">exception_handler_t exception_get_vtable_handler(enum exception_number num)</div><div class="ttdoc">Get the current exception handler for the specified exception from the currently installed vector tab...</div><div class="ttdef"><b>Definition:</b> exception.c:37</div></div>
 154 <div class="ttc" id="agroup__hardware__exception_html_gabd73e0f58d5d1149a77a521c0dceb9cb"><div class="ttname"><a href="group__hardware__exception.html#gabd73e0f58d5d1149a77a521c0dceb9cb">exception_restore_handler</a></div><div class="ttdeci">void exception_restore_handler(enum exception_number num, exception_handler_t original_handler)</div><div class="ttdoc">Restore the original exception handler for an exception on this core.</div><div class="ttdef"><b>Definition:</b> exception.c:55</div></div>
 155 <div class="ttc" id="apico_8h_html"><div class="ttname"><a href="pico_8h.html">pico.h</a></div></div>
 156 </div><!-- fragment --></div><!-- contents -->
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