261 lines
33 KiB
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261 lines
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<a href="dataspace__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>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">/*</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * Alexander Warg <warg@os.inf.tu-dresden.de></span></div>
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<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>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div>
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<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>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> */</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include <<a class="code" href="dataspace.html">l4/re/dataspace</a>></span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include <<a class="code" href="ipc__client.html">l4/sys/cxx/ipc_client</a>></span></div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include <l4/sys/cxx/consts></span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Dataspace.html#aec6654feafb167a373e056b326a99151">L4Re::Dataspace::clear</a>);</div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Dataspace.html#af54638ea6c363bb5096267a0eb89d86a">L4Re::Dataspace::allocate</a>);</div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Dataspace.html#a21ba4a8d1053498647834e622daf285a">L4Re::Dataspace::copy_in</a>);</div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Dataspace.html#aa67190f2465d092c35c62d432814a8b3">L4Re::Dataspace::info</a>);</div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><a class="code hl_define" href="ipc__client.html#aebfe730f4231dc11a7a1998acc6e4ab6">L4_RPC_DEF</a>(<a class="code hl_function" href="classL4Re_1_1Dataspace.html#ab56d44448cca4a99531904fb3e2cd0df">L4Re::Dataspace::map_info</a>);</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceL4Re.html">L4Re</a> {</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="keywordtype">long</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span>Dataspace::__map(Dataspace::Offset offset, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *size,</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> Dataspace::Flags flags,</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> Dataspace::Map_addr local_addr,</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> L4::Cap<L4::Task> dst) <span class="keyword">const</span> <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span>{</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> Map_addr spot = local_addr & ~(~0ULL << <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a>(*size));</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> Map_addr base = local_addr & (~0ULL << <a class="code hl_typedef" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a>(*size));</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> L4::Ipc::Rcv_fpage r = <a class="code hl_function" href="classL4_1_1Ipc_1_1Rcv__fpage.html#a62e457a9af9ba9d1b8454bd6cdf1ea35">L4::Ipc::Rcv_fpage::mem</a>(base, *size, 0, dst);</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> L4::Ipc::Snd_fpage fp;</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keywordtype">long</span> err = map_t::call(c(), offset, spot, flags, r, fp, <a class="code hl_function" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>());</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a>(err < 0))</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">return</span> err;</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> *size = fp.<a class="code hl_function" href="classL4_1_1Ipc_1_1Snd__fpage.html#a5145aa070114dd6dec1bdb097e0a7521">rcv_order</a>();</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">return</span> err;</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>}</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="keywordtype">long</span></div>
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<div class="foldopen" id="foldopen00045" data-start="{" data-end="}">
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="classL4Re_1_1Dataspace.html#a971cf0d6a16afe265efbd4a40a2f6d03"> 45</a></span><a class="code hl_function" href="classL4Re_1_1Dataspace.html#a971cf0d6a16afe265efbd4a40a2f6d03">Dataspace::map_region</a>(Dataspace::Offset offset, Dataspace::Flags <a class="code hl_function" href="classL4Re_1_1Dataspace.html#af96cd7d2c6fd10bfbbb0b426197a231c">flags</a>,</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> Dataspace::Map_addr min_addr,</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> Dataspace::Map_addr max_addr,</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap<L4::Task></a> dst) <span class="keyword">const</span> <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>{</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> min_addr = L4::trunc_page(min_addr);</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> max_addr = L4::round_page(max_addr);</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> order = <a class="code hl_define" href="group__l4__memory__api.html#gac9639364e2fd28399b91a1b30022139f">L4_LOG2_PAGESIZE</a>;</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordtype">long</span> err = 0;</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">while</span> (min_addr < max_addr)</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> {</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> order_mapped;</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> order_mapped = order</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> = L4::max_order(order, min_addr, min_addr, max_addr, min_addr);</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> err = __map(offset, &order_mapped, <a class="code hl_function" href="classL4Re_1_1Dataspace.html#af96cd7d2c6fd10bfbbb0b426197a231c">flags</a>, min_addr, dst);</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0">L4_UNLIKELY</a>(err < 0))</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">return</span> err;</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">if</span> (order > order_mapped)</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> order = order_mapped;</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> min_addr += Map_addr(1) << order;</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> offset += Map_addr(1) << order;</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">if</span> (min_addr >= max_addr)</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">while</span> (min_addr != <a class="code hl_function" href="namespaceL4.html#a9e6e01651b5cc9d14d8436c6d5d46536">L4::trunc_order</a>(min_addr, order)</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> || max_addr < <a class="code hl_function" href="namespaceL4.html#a92c0d3febc3cd6b35aa072d1bf2d9d11">L4::round_order</a>(min_addr + 1, order))</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> --order;</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> }</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span>}</div>
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</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="keywordtype">long</span></div>
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<div class="foldopen" id="foldopen00085" data-start="{" data-end="}">
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"><a class="line" href="classL4Re_1_1Dataspace.html#a1c8539a63573cdd9216d9382e89b0e64"> 85</a></span><a class="code hl_function" href="classL4Re_1_1Dataspace.html#a1c8539a63573cdd9216d9382e89b0e64">Dataspace::map</a>(Dataspace::Offset offset, Dataspace::Flags <a class="code hl_function" href="classL4Re_1_1Dataspace.html#af96cd7d2c6fd10bfbbb0b426197a231c">flags</a>,</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> Dataspace::Map_addr local_addr,</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> Dataspace::Map_addr min_addr,</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> Dataspace::Map_addr max_addr,</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap<L4::Task></a> dst) <span class="keyword">const</span> <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>{</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> min_addr = L4::trunc_page(min_addr);</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> max_addr = L4::round_page(max_addr);</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> local_addr = L4::trunc_page(local_addr);</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> order</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> = L4::max_order(<a class="code hl_define" href="group__l4__memory__api.html#gac9639364e2fd28399b91a1b30022139f">L4_LOG2_PAGESIZE</a>, local_addr, min_addr, max_addr, local_addr);</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">return</span> __map(offset, &order, <a class="code hl_function" href="classL4Re_1_1Dataspace.html#af96cd7d2c6fd10bfbbb0b426197a231c">flags</a>, local_addr, dst);</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span>}</div>
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</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span>Dataspace::Size</div>
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<div class="foldopen" id="foldopen00101" data-start="{" data-end="}">
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"><a class="line" href="classL4Re_1_1Dataspace.html#ace7817f743e42404bcfe0a0e348884e1"> 101</a></span><a class="code hl_function" href="classL4Re_1_1Dataspace.html#ace7817f743e42404bcfe0a0e348884e1">Dataspace::size</a>() const noexcept</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span>{</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <a class="code hl_struct" href="structL4Re_1_1Dataspace_1_1Stats.html">Stats</a> stats = <a class="code hl_struct" href="structL4Re_1_1Dataspace_1_1Stats.html">Stats</a>();</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordtype">int</span> err = <a class="code hl_function" href="classL4Re_1_1Dataspace.html#aa67190f2465d092c35c62d432814a8b3">info</a>(&stats);</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">if</span> (err < 0)</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordflow">return</span> stats.<a class="code hl_variable" href="structL4Re_1_1Dataspace_1_1Stats.html#aa1d9562f0be26272f1e8a41c29d5e69f">size</a>;</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span>}</div>
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</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> </div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span>Dataspace::Flags</div>
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<div class="foldopen" id="foldopen00111" data-start="{" data-end="}">
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"><a class="line" href="classL4Re_1_1Dataspace.html#af96cd7d2c6fd10bfbbb0b426197a231c"> 111</a></span><a class="code hl_function" href="classL4Re_1_1Dataspace.html#af96cd7d2c6fd10bfbbb0b426197a231c">Dataspace::flags</a>() const noexcept</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span>{</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <a class="code hl_struct" href="structL4Re_1_1Dataspace_1_1Stats.html">Stats</a> stats = <a class="code hl_struct" href="structL4Re_1_1Dataspace_1_1Stats.html">Stats</a>();</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordtype">int</span> err = <a class="code hl_function" href="classL4Re_1_1Dataspace.html#aa67190f2465d092c35c62d432814a8b3">info</a>(&stats);</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">if</span> (err < 0)</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">return</span> Flags(0);</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">return</span> stats.<a class="code hl_variable" href="structL4Re_1_1Dataspace_1_1Stats.html#aeb2961c7febeff7a7c674c91ad34961c">flags</a>;</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span>}</div>
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</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span>};</div>
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<div class="ttc" id="aclassL4Re_1_1Dataspace_html_a1c8539a63573cdd9216d9382e89b0e64"><div class="ttname"><a href="classL4Re_1_1Dataspace.html#a1c8539a63573cdd9216d9382e89b0e64">L4Re::Dataspace::map</a></div><div class="ttdeci">long map(Offset offset, Flags flags, Map_addr local_addr, Map_addr min_addr, Map_addr max_addr, L4::Cap< L4::Task > dst=L4::Cap< L4::Task >::Invalid) const noexcept</div><div class="ttdoc">Request a flexpage mapping from the dataspace.</div><div class="ttdef"><b>Definition</b> <a href="#l00085">dataspace_impl.h:85</a></div></div>
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<div class="ttc" id="aclassL4Re_1_1Dataspace_html_a21ba4a8d1053498647834e622daf285a"><div class="ttname"><a href="classL4Re_1_1Dataspace.html#a21ba4a8d1053498647834e622daf285a">L4Re::Dataspace::copy_in</a></div><div class="ttdeci">long copy_in(Offset dst_offs, L4::Ipc::Cap< Dataspace > src, Offset src_offs, Size size)</div><div class="ttdoc">Copy contents from another dataspace.</div></div>
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<div class="ttc" id="aclassL4Re_1_1Dataspace_html_a971cf0d6a16afe265efbd4a40a2f6d03"><div class="ttname"><a href="classL4Re_1_1Dataspace.html#a971cf0d6a16afe265efbd4a40a2f6d03">L4Re::Dataspace::map_region</a></div><div class="ttdeci">long map_region(Offset offset, Flags flags, Map_addr min_addr, Map_addr max_addr, L4::Cap< L4::Task > dst=L4::Cap< L4::Task >::Invalid) const noexcept</div><div class="ttdoc">Map a part of a dataspace into a local memory area.</div><div class="ttdef"><b>Definition</b> <a href="#l00045">dataspace_impl.h:45</a></div></div>
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<div class="ttc" id="aclassL4Re_1_1Dataspace_html_aa67190f2465d092c35c62d432814a8b3"><div class="ttname"><a href="classL4Re_1_1Dataspace.html#aa67190f2465d092c35c62d432814a8b3">L4Re::Dataspace::info</a></div><div class="ttdeci">long info(Stats *stats)</div><div class="ttdoc">Get information on the dataspace.</div></div>
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<div class="ttc" id="aclassL4Re_1_1Dataspace_html_ab56d44448cca4a99531904fb3e2cd0df"><div class="ttname"><a href="classL4Re_1_1Dataspace.html#ab56d44448cca4a99531904fb3e2cd0df">L4Re::Dataspace::map_info</a></div><div class="ttdeci">long map_info(l4_addr_t *start_addr, l4_addr_t *end_addr)</div><div class="ttdoc">Get mapping range of dataspace.</div><div class="ttdef"><b>Definition</b> <a href="dataspace_source.html#l00305">dataspace:305</a></div></div>
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<div class="ttc" id="aclassL4Re_1_1Dataspace_html_ace7817f743e42404bcfe0a0e348884e1"><div class="ttname"><a href="classL4Re_1_1Dataspace.html#ace7817f743e42404bcfe0a0e348884e1">L4Re::Dataspace::size</a></div><div class="ttdeci">Size size() const noexcept</div><div class="ttdoc">Get size of a dataspace.</div><div class="ttdef"><b>Definition</b> <a href="#l00101">dataspace_impl.h:101</a></div></div>
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<div class="ttc" id="aclassL4Re_1_1Dataspace_html_aec6654feafb167a373e056b326a99151"><div class="ttname"><a href="classL4Re_1_1Dataspace.html#aec6654feafb167a373e056b326a99151">L4Re::Dataspace::clear</a></div><div class="ttdeci">long clear(Offset offset, Size size)</div><div class="ttdoc">Clear parts of a dataspace.</div></div>
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<div class="ttc" id="aclassL4Re_1_1Dataspace_html_af54638ea6c363bb5096267a0eb89d86a"><div class="ttname"><a href="classL4Re_1_1Dataspace.html#af54638ea6c363bb5096267a0eb89d86a">L4Re::Dataspace::allocate</a></div><div class="ttdeci">long allocate(Offset offset, Size size)</div><div class="ttdoc">Allocate a range in the dataspace.</div></div>
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<div class="ttc" id="aclassL4Re_1_1Dataspace_html_af96cd7d2c6fd10bfbbb0b426197a231c"><div class="ttname"><a href="classL4Re_1_1Dataspace.html#af96cd7d2c6fd10bfbbb0b426197a231c">L4Re::Dataspace::flags</a></div><div class="ttdeci">Flags flags() const noexcept</div><div class="ttdoc">Get flags of the dataspace.</div><div class="ttdef"><b>Definition</b> <a href="#l00111">dataspace_impl.h:111</a></div></div>
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<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>
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<div class="ttc" id="aclassL4_1_1Ipc_1_1Rcv__fpage_html_a62e457a9af9ba9d1b8454bd6cdf1ea35"><div class="ttname"><a href="classL4_1_1Ipc_1_1Rcv__fpage.html#a62e457a9af9ba9d1b8454bd6cdf1ea35">L4::Ipc::Rcv_fpage::mem</a></div><div class="ttdeci">static Rcv_fpage mem(l4_addr_t base, int order, l4_addr_t snd_base=0, L4::Cap< void > rcv_task=L4::Cap< void >::Invalid) noexcept</div><div class="ttdoc">Construct a receive item for the memory space.</div><div class="ttdef"><b>Definition</b> <a href="ipc__types_source.html#l00594">ipc_types:594</a></div></div>
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<div class="ttc" id="aclassL4_1_1Ipc_1_1Snd__fpage_html_a5145aa070114dd6dec1bdb097e0a7521"><div class="ttname"><a href="classL4_1_1Ipc_1_1Snd__fpage.html#a5145aa070114dd6dec1bdb097e0a7521">L4::Ipc::Snd_fpage::rcv_order</a></div><div class="ttdeci">unsigned rcv_order() const noexcept</div><div class="ttdoc">(Defined for return items only.) Get log₂ size.</div><div class="ttdef"><b>Definition</b> <a href="ipc__types_source.html#l00465">ipc_types:465</a></div></div>
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<div class="ttc" id="adataspace_html"><div class="ttname"><a href="dataspace.html">dataspace</a></div><div class="ttdoc">Dataspace interface.</div></div>
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<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>
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<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>
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<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>
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<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>
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<div class="ttc" id="aipc__client_html"><div class="ttname"><a href="ipc__client.html">ipc_client</a></div></div>
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<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>
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<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>
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<div class="ttc" id="anamespaceL4_html_a92c0d3febc3cd6b35aa072d1bf2d9d11"><div class="ttname"><a href="namespaceL4.html#a92c0d3febc3cd6b35aa072d1bf2d9d11">L4::round_order</a></div><div class="ttdeci">constexpr T round_order(T val, unsigned char order)</div><div class="ttdoc">Round a value up so the given number of lsb is zero.</div><div class="ttdef"><b>Definition</b> <a href="sys_2cxx_2consts_source.html#l00032">consts:32</a></div></div>
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<div class="ttc" id="anamespaceL4_html_a9e6e01651b5cc9d14d8436c6d5d46536"><div class="ttname"><a href="namespaceL4.html#a9e6e01651b5cc9d14d8436c6d5d46536">L4::trunc_order</a></div><div class="ttdeci">constexpr T trunc_order(T val, unsigned char order)</div><div class="ttdoc">Round a value down so the given number of lsb is zero.</div><div class="ttdef"><b>Definition</b> <a href="sys_2cxx_2consts_source.html#l00018">consts:18</a></div></div>
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<div class="ttc" id="astructL4Re_1_1Dataspace_1_1Stats_html"><div class="ttname"><a href="structL4Re_1_1Dataspace_1_1Stats.html">L4Re::Dataspace::Stats</a></div><div class="ttdoc">Information about the dataspace.</div><div class="ttdef"><b>Definition</b> <a href="dataspace_source.html#l00126">dataspace:127</a></div></div>
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<div class="ttc" id="astructL4Re_1_1Dataspace_1_1Stats_html_aa1d9562f0be26272f1e8a41c29d5e69f"><div class="ttname"><a href="structL4Re_1_1Dataspace_1_1Stats.html#aa1d9562f0be26272f1e8a41c29d5e69f">L4Re::Dataspace::Stats::size</a></div><div class="ttdeci">Size size</div><div class="ttdoc">size</div><div class="ttdef"><b>Definition</b> <a href="dataspace_source.html#l00128">dataspace:128</a></div></div>
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<div class="ttc" id="astructL4Re_1_1Dataspace_1_1Stats_html_aeb2961c7febeff7a7c674c91ad34961c"><div class="ttname"><a href="structL4Re_1_1Dataspace_1_1Stats.html#aeb2961c7febeff7a7c674c91ad34961c">L4Re::Dataspace::Stats::flags</a></div><div class="ttdeci">Flags flags</div><div class="ttdoc">flags</div><div class="ttdef"><b>Definition</b> <a href="dataspace_source.html#l00129">dataspace:129</a></div></div>
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<li class="navelem"><b>l4</b></li><li class="navelem"><b>re</b></li><li class="navelem"><b>impl</b></li><li class="navelem"><a href="dataspace__impl_8h.html">dataspace_impl.h</a></li>
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