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<a href="arm__smccc_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>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Copyright (C) 2018, 2022, 2024 Kernkonzept GmbH.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Author(s): Sarah Hoffmann &lt;sarah.hoffmann@kernkonzept.com&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * License: see LICENSE.spdx (in this directory or the directories above)</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> */</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;<a class="code" href="l4_2sys_2types_8h.html">l4/sys/types.h</a>&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;<a class="code" href="l4_2sys_2utcb_8h.html">l4/sys/utcb.h</a>&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <a class="code hl_struct" href="structl4__msgtag__t.html">l4_msgtag_t</a></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><a class="code hl_function" href="arm__smccc_8h.html#af6ac9fae329d13399573a66e653aea84">l4_arm_smccc_call</a>(<a class="code hl_typedef" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> pfc, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> func, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in0,</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in1, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in2, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in3,</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in4, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in5, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out0,</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out1, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out2, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out3,</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> client_id) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a>;</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <a class="code hl_struct" href="structl4__msgtag__t.html">l4_msgtag_t</a></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span>l4_arm_smccc_call_u(<a class="code hl_typedef" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> pfc, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> func, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in0,</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in1, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in2, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in3,</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in4, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in5, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out0,</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out1, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out2, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out3,</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> client_id, <a class="code hl_typedef" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a>;</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="comment">/* IMPLEMENTATION -----------------------------------------------------------*/</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include &lt;<a class="code" href="l4_2sys_2ipc_8h.html">l4/sys/ipc.h</a>&gt;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <a class="code hl_struct" href="structl4__msgtag__t.html">l4_msgtag_t</a></div>
<div class="foldopen" id="foldopen00042" data-start="{" data-end="}">
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"><a class="line" href="arm__smccc_8h.html#af6ac9fae329d13399573a66e653aea84"> 42</a></span><a class="code hl_function" href="arm__smccc_8h.html#af6ac9fae329d13399573a66e653aea84">l4_arm_smccc_call</a>(<a class="code hl_typedef" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> pfc, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> func,</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in0, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in1,</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in2, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in3,</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in4, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in5,</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out0, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out1,</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out2, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out3,</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> client_id) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>{</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">return</span> l4_arm_smccc_call_u(pfc, func, in0, in1, in2, in3, in4, in5,</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> out0, out1, out2, out3, client_id, <a class="code hl_function" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>());</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>}</div>
</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <a class="code hl_struct" href="structl4__msgtag__t.html">l4_msgtag_t</a></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span>l4_arm_smccc_call_u(<a class="code hl_typedef" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> pfc, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> func, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in0,</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in1, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in2, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in3,</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in4, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> in5, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out0,</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out1, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out2, <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *out3,</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> client_id, <a class="code hl_typedef" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span>{</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_struct" href="structl4__msgtag__t.html">l4_msgtag_t</a> ret;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <a class="code hl_union" href="unionl4__msg__regs__t.html">l4_msg_regs_t</a> *v = l4_utcb_mr_u(utcb);</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[0] = func;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[1] = in0;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[2] = in1;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[3] = in2;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[4] = in3;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[5] = in4;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[6] = in5;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[7] = client_id;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> ret = <a class="code hl_function" href="group__l4__ipc__api.html#gab96d1669dcd54657237ee27b7f6862c6">l4_ipc_call</a>(pfc, utcb, <a class="code hl_function" href="group__l4__msgtag__api.html#ga661d71acad9d096fa990f7c94943bc78">l4_msgtag</a>(<a class="code hl_enumvalue" href="group__l4__msgtag__api.html#gga9ac8443c5696208bb0539dd659ea1c92af9d0a853f2f7a508b9452c01cf17e8ee">L4_PROTO_SMCCC</a>, 8, 0, 0),</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <a class="code hl_define" href="group__l4__timeout__api.html#gaf01c5e1475efc4f33bc7d1985f7320d3">L4_IPC_NEVER</a>);</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="group__l4__ipc__err__api.html#ga05c11e3e10b6c2aa941396ac2018899f">l4_error</a>(ret) &gt;= 0)</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> {</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> *out0 = v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[0];</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> *out1 = v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[1];</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> *out2 = v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[2];</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> *out3 = v-&gt;<a class="code hl_variable" href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">mr</a>[3];</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> }</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span>}</div>
<div class="ttc" id="aarm__smccc_8h_html_af6ac9fae329d13399573a66e653aea84"><div class="ttname"><a href="arm__smccc_8h.html#af6ac9fae329d13399573a66e653aea84">l4_arm_smccc_call</a></div><div class="ttdeci">l4_msgtag_t l4_arm_smccc_call(l4_cap_idx_t pfc, l4_umword_t func, l4_umword_t in0, l4_umword_t in1, l4_umword_t in2, l4_umword_t in3, l4_umword_t in4, l4_umword_t in5, l4_umword_t *out0, l4_umword_t *out1, l4_umword_t *out2, l4_umword_t *out3, l4_umword_t client_id) L4_NOTHROW</div><div class="ttdoc">C interface for calling the ARM secure monitor, see L4::Arm_smccc::call() for the C++ interface.</div><div class="ttdef"><b>Definition</b> <a href="#l00042">arm_smccc.h:42</a></div></div>
<div class="ttc" id="agroup__l4__basic__types_html_ga1c2c4b333f75b1d05b59855910f2b9cb"><div class="ttname"><a href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a></div><div class="ttdeci">unsigned long l4_umword_t</div><div class="ttdoc">Unsigned machine word.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2l4int_8h_source.html#l00040">l4int.h:40</a></div></div>
<div class="ttc" id="agroup__l4__cap__api_html_ga1445e923ce73029130d569d6e69a4dd8"><div class="ttname"><a href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a></div><div class="ttdeci">unsigned long l4_cap_idx_t</div><div class="ttdoc">Capability selector type.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2types_8h_source.html#l00336">types.h:336</a></div></div>
<div class="ttc" id="agroup__l4__ipc__api_html_gab96d1669dcd54657237ee27b7f6862c6"><div class="ttname"><a href="group__l4__ipc__api.html#gab96d1669dcd54657237ee27b7f6862c6">l4_ipc_call</a></div><div class="ttdeci">l4_msgtag_t l4_ipc_call(l4_cap_idx_t object, l4_utcb_t *utcb, l4_msgtag_t tag, l4_timeout_t timeout) L4_NOTHROW</div><div class="ttdoc">Object call (usual invocation).</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2ipc_8h_source.html#l00565">ipc.h:565</a></div></div>
<div class="ttc" id="agroup__l4__ipc__err__api_html_ga05c11e3e10b6c2aa941396ac2018899f"><div class="ttname"><a href="group__l4__ipc__err__api.html#ga05c11e3e10b6c2aa941396ac2018899f">l4_error</a></div><div class="ttdeci">long l4_error(l4_msgtag_t tag) L4_NOTHROW</div><div class="ttdoc">Get IPC error code if any or message tag label otherwise for an IPC call.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2ipc_8h_source.html#l00646">ipc.h:646</a></div></div>
<div class="ttc" id="agroup__l4__msgtag__api_html_ga661d71acad9d096fa990f7c94943bc78"><div class="ttname"><a href="group__l4__msgtag__api.html#ga661d71acad9d096fa990f7c94943bc78">l4_msgtag</a></div><div class="ttdeci">l4_msgtag_t l4_msgtag(long label, unsigned words, unsigned items, unsigned flags) L4_NOTHROW</div><div class="ttdoc">Create a message tag from the specified values.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2types_8h_source.html#l00405">types.h:405</a></div></div>
<div class="ttc" id="agroup__l4__msgtag__api_html_gga9ac8443c5696208bb0539dd659ea1c92af9d0a853f2f7a508b9452c01cf17e8ee"><div class="ttname"><a href="group__l4__msgtag__api.html#gga9ac8443c5696208bb0539dd659ea1c92af9d0a853f2f7a508b9452c01cf17e8ee">L4_PROTO_SMCCC</a></div><div class="ttdeci">@ L4_PROTO_SMCCC</div><div class="ttdoc">Protocol ID for ARM SMCCC calls.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2types_8h_source.html#l00066">types.h:66</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_gaf01c5e1475efc4f33bc7d1985f7320d3"><div class="ttname"><a href="group__l4__timeout__api.html#gaf01c5e1475efc4f33bc7d1985f7320d3">L4_IPC_NEVER</a></div><div class="ttdeci">#define L4_IPC_NEVER</div><div class="ttdoc">never timeout</div><div class="ttdef"><b>Definition</b> <a href="____timeout_8h_source.html#l00076">__timeout.h:76</a></div></div>
<div class="ttc" id="agroup__l4__utcb__api_html_ga89be8a86d11c1d532b636cc2df1330fb"><div class="ttname"><a href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a></div><div class="ttdeci">struct l4_utcb_t l4_utcb_t</div><div class="ttdoc">Opaque type for the UTCB.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2utcb_8h_source.html#l00056">utcb.h:56</a></div></div>
<div class="ttc" id="agroup__l4__utcb__api_html_gadc099b4a59e1d99638c72c11a8c8b644"><div class="ttname"><a href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a></div><div class="ttdeci">l4_utcb_t * l4_utcb(void) L4_NOTHROW L4_PURE</div><div class="ttdoc">Get the UTCB address.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2utcb_8h_source.html#l00346">utcb.h:346</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga362dfa378e662dd04f710a23fc7ea931"><div class="ttname"><a href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div><div class="ttdeci">#define L4_NOTHROW</div><div class="ttdoc">Mark a function declaration and definition as never throwing an exception.</div><div class="ttdef"><b>Definition</b> <a href="compiler_8h_source.html#l00161">compiler.h:161</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga427377e23e3680dc178035d391b2ca45"><div class="ttname"><a href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div><div class="ttdeci">#define L4_INLINE</div><div class="ttdoc">L4 Inline function attribute.</div><div class="ttdef"><b>Definition</b> <a href="compiler_8h_source.html#l00051">compiler.h:51</a></div></div>
<div class="ttc" id="al4_2sys_2ipc_8h_html"><div class="ttname"><a href="l4_2sys_2ipc_8h.html">ipc.h</a></div><div class="ttdoc">Common IPC interface.</div></div>
<div class="ttc" id="al4_2sys_2types_8h_html"><div class="ttname"><a href="l4_2sys_2types_8h.html">types.h</a></div><div class="ttdoc">Common L4 ABI Data Types.</div></div>
<div class="ttc" id="al4_2sys_2utcb_8h_html"><div class="ttname"><a href="l4_2sys_2utcb_8h.html">utcb.h</a></div><div class="ttdoc">UTCB definitions.</div></div>
<div class="ttc" id="astructl4__msgtag__t_html"><div class="ttname"><a href="structl4__msgtag__t.html">l4_msgtag_t</a></div><div class="ttdoc">Message tag data structure.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2types_8h_source.html#l00153">types.h:154</a></div></div>
<div class="ttc" id="aunionl4__msg__regs__t_html"><div class="ttname"><a href="unionl4__msg__regs__t.html">l4_msg_regs_t</a></div><div class="ttdoc">Encapsulation of the message-register block in the UTCB.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2utcb_8h_source.html#l00067">utcb.h:68</a></div></div>
<div class="ttc" id="aunionl4__msg__regs__t_html_ad7d601b3b3808afaefe4c09d42de8b99"><div class="ttname"><a href="unionl4__msg__regs__t.html#ad7d601b3b3808afaefe4c09d42de8b99">l4_msg_regs_t::mr</a></div><div class="ttdeci">l4_umword_t mr[L4_UTCB_GENERIC_DATA_SIZE]</div><div class="ttdoc">Message registers.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2utcb_8h_source.html#l00069">utcb.h:69</a></div></div>
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