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Viktor Reusch
2025-09-12 15:55:45 +02:00
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<a href="rm__impl_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></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">/*</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * (c) 2008-2009 Adam Lackorzynski &lt;adam@os.inf.tu-dresden.de&gt;,</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * Alexander Warg &lt;warg@os.inf.tu-dresden.de&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * economic rights: Technische Universität Dresden (Germany)</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * License: see LICENSE.spdx (in this directory or the directories above)</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> */</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;l4/bid_config.h&gt;</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="rm.html">l4/re/rm</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="dataspace.html">l4/re/dataspace</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><span class="preprocessor">#include &lt;<a class="code" href="ipc__client.html">l4/sys/cxx/ipc_client</a>&gt;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include &lt;<a class="code" href="task.html">l4/sys/task</a>&gt;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;<a class="code" href="err_8h.html">l4/sys/err.h</a>&gt;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Rm.html#ad1a4be565f4767dfce5e16d7d5e855c3">L4Re::Rm::reserve_area</a>);</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Rm.html#a3165a1f7521b5ec58cd710654575f6bb">L4Re::Rm::free_area</a>);</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Rm.html#aec840ef6586b29cc0c3efa182c0c4ea0">L4Re::Rm::attach</a>);</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Rm.html#af4ad2b5650cb44bff10c217220def4c9">L4Re::Rm::detach</a>);</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Rm.html#ad9b2dc91dae344c059141dd8d3275b81">L4Re::Rm::get_regions</a>);</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Rm.html#ae0fe6f44210db60cc0b175b8d3eb7c31">L4Re::Rm::get_areas</a>);</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Rm.html#ae05bcd7f0c2215129701b029075d2f30">L4Re::Rm::find</a>);</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Rm.html#af0b1347f0977e69e0fd9a7ef4b2a07f9">L4Re::Rm::get_info</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="keyword">namespace </span><a class="code hl_namespace" href="namespaceL4Re.html">L4Re</a></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> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keywordtype">long</span></div>
<div class="foldopen" id="foldopen00034" data-start="{" data-end="}">
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="classL4Re_1_1Rm.html#aec840ef6586b29cc0c3efa182c0c4ea0"> 34</a></span><a class="code hl_function" href="classL4Re_1_1Rm.html#aec840ef6586b29cc0c3efa182c0c4ea0">Rm::attach</a>(<a class="code hl_typedef" href="group__l4__basic__types.html#ga4087b991c40c0d2fcde9ca331049a4d4">l4_addr_t</a> *start, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> size, Rm::Flags flags,</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <a class="code hl_class" href="classL4_1_1Ipc_1_1Cap.html">L4::Ipc::Cap&lt;Dataspace&gt;</a> mem, Rm::Offset offs,</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> align, <a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap&lt;L4::Task&gt;</a> <span class="keyword">const</span> task,</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordtype">char</span> <span class="keyword">const</span> *name, Rm::Offset backing_offset) <span class="keyword">const</span> <span class="keyword">noexcept</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>{</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">if</span> ((flags &amp; <a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#a9707a14d822d3f60aa6a97cb16b2a989a096464540f7eacdff45f814569c8afd9">F::Rights_mask</a>) == Flags(0)</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> || (flags &amp; (<a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#a9707a14d822d3f60aa6a97cb16b2a989a10240889d9e7bb27e7bb04f0ea46122d">F::Reserved</a> | <a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#a9707a14d822d3f60aa6a97cb16b2a989add699b4a52dda8568c5383b0552356a7">F::Kernel</a>)))</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> mem = <a class="code hl_class" href="classL4_1_1Ipc_1_1Cap.html">L4::Ipc::Cap&lt;L4Re::Dataspace&gt;</a>();</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordtype">char</span> <span class="keyword">const</span> n = <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordtype">long</span> e = attach_t::call(<a class="code hl_function" href="classL4_1_1Kobject__t.html#a3d80fec7e057d575ec4b393437f05f8a">c</a>(), start, size, flags, mem, offs, align,</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> mem.cap().cap(), name ? name : &amp;n, backing_offset);</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">if</span> (e &lt; 0)</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">return</span> e;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="preprocessor">#ifdef CONFIG_MMU</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">if</span> ((flags &amp; (<a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#adec4d26077e34d9586891ac0489e0041a5b916dc458b6756a7b2aa8478a2af2dd">F::Eager_map</a> | <a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#adec4d26077e34d9586891ac0489e0041a41addbf24fe21f95397c06210f9c0d6c">F::No_eager_map</a>)) == <a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#adec4d26077e34d9586891ac0489e0041a5b916dc458b6756a7b2aa8478a2af2dd">F::Eager_map</a>)</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">if</span> (!(flags &amp; <a class="code hl_enumvalue" href="structL4Re_1_1Rm_1_1F.html#adec4d26077e34d9586891ac0489e0041a41addbf24fe21f95397c06210f9c0d6c">F::No_eager_map</a>) &amp;&amp; mem.is_valid())</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> e = mem.cap()-&gt;map_region(offs, map_flags(flags), *start, *start + size,</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> task);</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">return</span> e;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span>}</div>
</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><a class="code hl_function" href="classL4Re_1_1Rm.html#af4ad2b5650cb44bff10c217220def4c9">Rm::detach</a>(<a class="code hl_typedef" href="group__l4__basic__types.html#ga4087b991c40c0d2fcde9ca331049a4d4">l4_addr_t</a> start, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> size, <a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap&lt;Dataspace&gt;</a> *mem,</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap&lt;L4::Task&gt;</a> task, <span class="keywordtype">unsigned</span> flags) <span class="keyword">const</span> <span class="keyword">noexcept</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span>{</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <a class="code hl_typedef" href="group__l4__basic__types.html#ga4087b991c40c0d2fcde9ca331049a4d4">l4_addr_t</a> rstart = 0, rsize = 0;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <a class="code hl_typedef" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> mem_cap = <a class="code hl_enumvalue" href="group__l4__cap__api.html#ggafee0421c2fe0e5cfc59f17f16ea10879aff9320ed307e76cebfca6c2871136102">L4_INVALID_CAP</a>;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordtype">long</span> e = detach_t::call(c(), start, size, flags, rstart, rsize, mem_cap);</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a>(e &lt; 0))</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">return</span> e;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">if</span> (mem)</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> *mem = <a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap&lt;L4Re::Dataspace&gt;</a>(mem_cap);</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> <span class="keywordflow">if</span> (!task.is_valid())</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> e;</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> rsize = <a class="code hl_function" href="group__l4__memory__api.html#ga96e3b2d8e69308aecbb11d1d24f61662">l4_round_page</a>(rsize);</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordtype">unsigned</span> order = <a class="code hl_define" href="group__l4__memory__api.html#gac9639364e2fd28399b91a1b30022139f">L4_LOG2_PAGESIZE</a>;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> sz = (1UL &lt;&lt; order);</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> p = rstart; rsize; p += sz, rsize -= sz)</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> {</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">while</span> (sz &gt; rsize)</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> --order;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> sz &gt;&gt;= 1;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> }</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">for</span> (;;)</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> {</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> m = sz &lt;&lt; 1;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">if</span> (m &gt; rsize)</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">if</span> (p &amp; (m - 1))</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> ++order;</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> sz &lt;&lt;= 1;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> }</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> task-&gt;unmap(<a class="code hl_function" href="group__l4__fpage__api.html#ga8d185d1e2ec513f1b3e8a5634469b756">l4_fpage</a>(p, order, <a class="code hl_enumvalue" href="group__l4__fpage__api.html#gga5d4f4972d58f72b2a33b6c139b5950a8a371a1fb2c09f17c7eb32ac296b87cf38">L4_FPAGE_RWX</a>),</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <a class="code hl_enumvalue" href="group__l4__task__api.html#gga3c24e67b976870a3e911c43c83382f66aa85d4766b182308e5847d543e7d59055">L4_FP_ALL_SPACES</a>);</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">return</span> e;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span>}</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span>}</div>
<div class="ttc" id="aclassL4Re_1_1Rm_html_a3165a1f7521b5ec58cd710654575f6bb"><div class="ttname"><a href="classL4Re_1_1Rm.html#a3165a1f7521b5ec58cd710654575f6bb">L4Re::Rm::free_area</a></div><div class="ttdeci">long free_area(l4_addr_t addr)</div><div class="ttdoc">Free an area from the region map.</div></div>
<div class="ttc" id="aclassL4Re_1_1Rm_html_ad1a4be565f4767dfce5e16d7d5e855c3"><div class="ttname"><a href="classL4Re_1_1Rm.html#ad1a4be565f4767dfce5e16d7d5e855c3">L4Re::Rm::reserve_area</a></div><div class="ttdeci">long reserve_area(l4_addr_t *start, unsigned long size, Flags flags=Flags(0), unsigned char align=L4_PAGESHIFT) const noexcept</div><div class="ttdoc">Reserve the given area in the region map.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00280">rm:280</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Rm_html_ad9b2dc91dae344c059141dd8d3275b81"><div class="ttname"><a href="classL4Re_1_1Rm.html#ad9b2dc91dae344c059141dd8d3275b81">L4Re::Rm::get_regions</a></div><div class="ttdeci">long get_regions(l4_addr_t start, L4::Ipc::Ret_array&lt; Region &gt; regions)</div><div class="ttdoc">Return the list of regions whose starting addresses are higher or equal to start in the address space...</div></div>
<div class="ttc" id="aclassL4Re_1_1Rm_html_ae05bcd7f0c2215129701b029075d2f30"><div class="ttname"><a href="classL4Re_1_1Rm.html#ae05bcd7f0c2215129701b029075d2f30">L4Re::Rm::find</a></div><div class="ttdeci">long find(l4_addr_t *addr, unsigned long *size, Offset *offset, L4Re::Rm::Flags *flags, L4::Cap&lt; Dataspace &gt; *m) noexcept</div><div class="ttdoc">Find a region given an address and size.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00672">rm:672</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Rm_html_ae0fe6f44210db60cc0b175b8d3eb7c31"><div class="ttname"><a href="classL4Re_1_1Rm.html#ae0fe6f44210db60cc0b175b8d3eb7c31">L4Re::Rm::get_areas</a></div><div class="ttdeci">long get_areas(l4_addr_t start, L4::Ipc::Ret_array&lt; Area &gt; areas)</div><div class="ttdoc">Return the list of areas whose starting addresses are higher or equal to start in the address space m...</div></div>
<div class="ttc" id="aclassL4Re_1_1Rm_html_aec840ef6586b29cc0c3efa182c0c4ea0"><div class="ttname"><a href="classL4Re_1_1Rm.html#aec840ef6586b29cc0c3efa182c0c4ea0">L4Re::Rm::attach</a></div><div class="ttdeci">long attach(l4_addr_t *start, unsigned long size, Flags flags, L4::Ipc::Cap&lt; Dataspace &gt; mem, Offset offs=0, unsigned char align=L4_PAGESHIFT, L4::Cap&lt; L4::Task &gt; const task=L4::Cap&lt; L4::Task &gt;::Invalid, char const *name=nullptr, Offset backing_offset=0) const noexcept</div><div class="ttdoc">Attach a data space to a region.</div><div class="ttdef"><b>Definition</b> <a href="#l00034">rm_impl.h:34</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Rm_html_af0b1347f0977e69e0fd9a7ef4b2a07f9"><div class="ttname"><a href="classL4Re_1_1Rm.html#af0b1347f0977e69e0fd9a7ef4b2a07f9">L4Re::Rm::get_info</a></div><div class="ttdeci">long get_info(l4_addr_t addr, L4::Ipc::String&lt; char &gt; &amp;name, Offset &amp;backing_offset)</div><div class="ttdoc">Return auxiliary information of a region.</div></div>
<div class="ttc" id="aclassL4Re_1_1Rm_html_af4ad2b5650cb44bff10c217220def4c9"><div class="ttname"><a href="classL4Re_1_1Rm.html#af4ad2b5650cb44bff10c217220def4c9">L4Re::Rm::detach</a></div><div class="ttdeci">int detach(l4_addr_t addr, L4::Cap&lt; Dataspace &gt; *mem, L4::Cap&lt; L4::Task &gt; const &amp;task=This_task) const noexcept</div><div class="ttdoc">Detach and unmap a region from the address space.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00765">rm:765</a></div></div>
<div class="ttc" id="aclassL4_1_1Cap_html"><div class="ttname"><a href="classL4_1_1Cap.html">L4::Cap</a></div><div class="ttdoc">C++ interface for capabilities.</div><div class="ttdef"><b>Definition</b> <a href="capability_8h_source.html#l00223">capability.h:224</a></div></div>
<div class="ttc" id="aclassL4_1_1Ipc_1_1Cap_html"><div class="ttname"><a href="classL4_1_1Ipc_1_1Cap.html">L4::Ipc::Cap</a></div><div class="ttdoc">Capability type for RPC interfaces (see L4::Cap&lt;T&gt;).</div><div class="ttdef"><b>Definition</b> <a href="ipc__types_source.html#l00698">ipc_types:699</a></div></div>
<div class="ttc" id="aclassL4_1_1Kobject__t_html_a3d80fec7e057d575ec4b393437f05f8a"><div class="ttname"><a href="classL4_1_1Kobject__t.html#a3d80fec7e057d575ec4b393437f05f8a">L4::Kobject_t&lt; Rm, L4::Pager, L4RE_PROTO_RM, L4::Type_info::Demand_t&lt; 1 &gt; &gt;::c</a></div><div class="ttdeci">L4::Cap&lt; Class &gt; c() const noexcept</div><div class="ttdef"><b>Definition</b> <a href="____typeinfo_8h_source.html#l00769">__typeinfo.h:769</a></div></div>
<div class="ttc" id="adataspace_html"><div class="ttname"><a href="dataspace.html">dataspace</a></div><div class="ttdoc">Dataspace interface.</div></div>
<div class="ttc" id="aerr_8h_html"><div class="ttname"><a href="err_8h.html">err.h</a></div><div class="ttdoc">Error codes.</div></div>
<div class="ttc" id="agroup__l4__basic__types_html_ga4087b991c40c0d2fcde9ca331049a4d4"><div class="ttname"><a href="group__l4__basic__types.html#ga4087b991c40c0d2fcde9ca331049a4d4">l4_addr_t</a></div><div class="ttdeci">unsigned long l4_addr_t</div><div class="ttdoc">Address type.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2l4int_8h_source.html#l00034">l4int.h:34</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__cap__api_html_ggafee0421c2fe0e5cfc59f17f16ea10879aff9320ed307e76cebfca6c2871136102"><div class="ttname"><a href="group__l4__cap__api.html#ggafee0421c2fe0e5cfc59f17f16ea10879aff9320ed307e76cebfca6c2871136102">L4_INVALID_CAP</a></div><div class="ttdeci">@ L4_INVALID_CAP</div><div class="ttdoc">Invalid capability selector.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2consts_8h_source.html#l00153">consts.h:153</a></div></div>
<div class="ttc" id="agroup__l4__fpage__api_html_ga8d185d1e2ec513f1b3e8a5634469b756"><div class="ttname"><a href="group__l4__fpage__api.html#ga8d185d1e2ec513f1b3e8a5634469b756">l4_fpage</a></div><div class="ttdeci">l4_fpage_t l4_fpage(l4_addr_t address, unsigned int order, unsigned char rights) L4_NOTHROW</div><div class="ttdoc">Create a memory flexpage.</div><div class="ttdef"><b>Definition</b> <a href="____l4__fpage_8h_source.html#l00703">__l4_fpage.h:703</a></div></div>
<div class="ttc" id="agroup__l4__fpage__api_html_gga5d4f4972d58f72b2a33b6c139b5950a8a371a1fb2c09f17c7eb32ac296b87cf38"><div class="ttname"><a href="group__l4__fpage__api.html#gga5d4f4972d58f72b2a33b6c139b5950a8a371a1fb2c09f17c7eb32ac296b87cf38">L4_FPAGE_RWX</a></div><div class="ttdeci">@ L4_FPAGE_RWX</div><div class="ttdoc">Read-write-execute flexpage.</div><div class="ttdef"><b>Definition</b> <a href="____l4__fpage_8h_source.html#l00125">__l4_fpage.h:125</a></div></div>
<div class="ttc" id="agroup__l4__memory__api_html_ga96e3b2d8e69308aecbb11d1d24f61662"><div class="ttname"><a href="group__l4__memory__api.html#ga96e3b2d8e69308aecbb11d1d24f61662">l4_round_page</a></div><div class="ttdeci">l4_addr_t l4_round_page(l4_addr_t address) L4_NOTHROW</div><div class="ttdoc">Round address up to the next page.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2consts_8h_source.html#l00473">consts.h:473</a></div></div>
<div class="ttc" id="agroup__l4__memory__api_html_gac9639364e2fd28399b91a1b30022139f"><div class="ttname"><a href="group__l4__memory__api.html#gac9639364e2fd28399b91a1b30022139f">L4_LOG2_PAGESIZE</a></div><div class="ttdeci">#define L4_LOG2_PAGESIZE</div><div class="ttdoc">Number of bits used for page offset.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2consts_8h_source.html#l00409">consts.h:409</a></div></div>
<div class="ttc" id="agroup__l4__task__api_html_gga3c24e67b976870a3e911c43c83382f66aa85d4766b182308e5847d543e7d59055"><div class="ttname"><a href="group__l4__task__api.html#gga3c24e67b976870a3e911c43c83382f66aa85d4766b182308e5847d543e7d59055">L4_FP_ALL_SPACES</a></div><div class="ttdeci">@ L4_FP_ALL_SPACES</div><div class="ttdoc">Flag to tell the unmap operation to revoke permissions from all child mappings including the mapping ...</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2consts_8h_source.html#l00183">consts.h:183</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga3df4200910f2664b97397c23693beeb0"><div class="ttname"><a href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a></div><div class="ttdeci">#define L4_UNLIKELY(x)</div><div class="ttdoc">Expression is unlikely to execute.</div><div class="ttdef"><b>Definition</b> <a href="compiler_8h_source.html#l00284">compiler.h:284</a></div></div>
<div class="ttc" id="aipc__client_html"><div class="ttname"><a href="ipc__client.html">ipc_client</a></div></div>
<div class="ttc" id="aipc__client_html_aebfe730f4231dc11a7a1998acc6e4ab6"><div class="ttname"><a href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a></div><div class="ttdeci">#define L4_RPC_DEF(name)</div><div class="ttdoc">Generate the definition of an RPC stub.</div><div class="ttdef"><b>Definition</b> <a href="ipc__client_source.html#l00032">ipc_client:32</a></div></div>
<div class="ttc" id="anamespaceL4Re_html"><div class="ttname"><a href="namespaceL4Re.html">L4Re</a></div><div class="ttdoc">L4Re C++ Interfaces.</div><div class="ttdef"><b>Definition</b> <a href="cmd__control_source.html#l00014">cmd_control:14</a></div></div>
<div class="ttc" id="arm_html"><div class="ttname"><a href="rm.html">rm</a></div><div class="ttdoc">Region mapper interface.</div></div>
<div class="ttc" id="astructL4Re_1_1Rm_1_1F_html_a9707a14d822d3f60aa6a97cb16b2a989a096464540f7eacdff45f814569c8afd9"><div class="ttname"><a href="structL4Re_1_1Rm_1_1F.html#a9707a14d822d3f60aa6a97cb16b2a989a096464540f7eacdff45f814569c8afd9">L4Re::Rm::F::Rights_mask</a></div><div class="ttdeci">@ Rights_mask</div><div class="ttdoc">Region rights.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00131">rm:131</a></div></div>
<div class="ttc" id="astructL4Re_1_1Rm_1_1F_html_a9707a14d822d3f60aa6a97cb16b2a989a10240889d9e7bb27e7bb04f0ea46122d"><div class="ttname"><a href="structL4Re_1_1Rm_1_1F.html#a9707a14d822d3f60aa6a97cb16b2a989a10240889d9e7bb27e7bb04f0ea46122d">L4Re::Rm::F::Reserved</a></div><div class="ttdeci">@ Reserved</div><div class="ttdoc">Region is reserved (blocked).</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00152">rm:152</a></div></div>
<div class="ttc" id="astructL4Re_1_1Rm_1_1F_html_a9707a14d822d3f60aa6a97cb16b2a989add699b4a52dda8568c5383b0552356a7"><div class="ttname"><a href="structL4Re_1_1Rm_1_1F.html#a9707a14d822d3f60aa6a97cb16b2a989add699b4a52dda8568c5383b0552356a7">L4Re::Rm::F::Kernel</a></div><div class="ttdeci">@ Kernel</div><div class="ttdoc">Kernel-provided memory (KUMEM).</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00146">rm:146</a></div></div>
<div class="ttc" id="astructL4Re_1_1Rm_1_1F_html_adec4d26077e34d9586891ac0489e0041a41addbf24fe21f95397c06210f9c0d6c"><div class="ttname"><a href="structL4Re_1_1Rm_1_1F.html#adec4d26077e34d9586891ac0489e0041a41addbf24fe21f95397c06210f9c0d6c">L4Re::Rm::F::No_eager_map</a></div><div class="ttdeci">@ No_eager_map</div><div class="ttdoc">Prevent eager mapping of the attached data space.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00120">rm:120</a></div></div>
<div class="ttc" id="astructL4Re_1_1Rm_1_1F_html_adec4d26077e34d9586891ac0489e0041a5b916dc458b6756a7b2aa8478a2af2dd"><div class="ttname"><a href="structL4Re_1_1Rm_1_1F.html#adec4d26077e34d9586891ac0489e0041a5b916dc458b6756a7b2aa8478a2af2dd">L4Re::Rm::F::Eager_map</a></div><div class="ttdeci">@ Eager_map</div><div class="ttdoc">Eagerly map the attached data space in.</div><div class="ttdef"><b>Definition</b> <a href="rm_source.html#l00118">rm:118</a></div></div>
<div class="ttc" id="atask_html"><div class="ttname"><a href="task.html">task</a></div><div class="ttdoc">Common task related definitions.</div></div>
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