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Viktor Reusch
2025-09-12 15:55:45 +02:00
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<div class="headertitle"><div class="title">L4::Vm Class Reference<div class="ingroups"><a class="el" href="group__l4__api.html">Base API</a> &raquo; <a class="el" href="group__l4__kernel__object__api.html">Kernel Objects</a></div></div></div>
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<p>Virtual machine host address space.
<a href="#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="l4_2sys_2vm_source.html">vm</a>&gt;</code></p>
<div id="dynsection-0" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Inheritance diagram for L4::Vm:</div>
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<div id="dynsection-1" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Collaboration diagram for L4::Vm:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pub-methods" class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ab14cb70e8330d3e1ce5528e96fe0a0da" id="r_ab14cb70e8330d3e1ce5528e96fe0a0da"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ab14cb70e8330d3e1ce5528e96fe0a0da">vgicc_map</a> (<a class="el" href="unionl4__fpage__t.html">l4_fpage_t</a> const vgicc_fpage, <a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb=<a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>()) noexcept</td></tr>
<tr class="memdesc:ab14cb70e8330d3e1ce5528e96fe0a0da"><td class="mdescLeft">&#160;</td><td class="mdescRight">Map the GIC virtual CPU interface page to the task in case Fiasco detected a GIC version 2. <br /></td></tr>
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<tr class="memitem:a2712eda0c02dca9b9e5324e93326f704 inherit pub_methods_classL4_1_1Task" id="r_a2712eda0c02dca9b9e5324e93326f704"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classL4_1_1Task.html#a2712eda0c02dca9b9e5324e93326f704">map</a> (<a class="el" href="classL4_1_1Cap.html">Cap</a>&lt; <a class="el" href="classL4_1_1Task.html">Task</a> &gt; const &amp;src_task, <a class="el" href="unionl4__fpage__t.html">l4_fpage_t</a> const &amp;snd_fpage, <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> snd_base, <a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb=<a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>()) noexcept</td></tr>
<tr class="memdesc:a2712eda0c02dca9b9e5324e93326f704 inherit pub_methods_classL4_1_1Task"><td class="mdescLeft">&#160;</td><td class="mdescRight">Map resources available in the source task to a destination task. <br /></td></tr>
<tr class="memitem:a4b9294cc5d6338a36958df578f092a25 inherit pub_methods_classL4_1_1Task" id="r_a4b9294cc5d6338a36958df578f092a25"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classL4_1_1Task.html#a4b9294cc5d6338a36958df578f092a25">unmap</a> (<a class="el" href="unionl4__fpage__t.html">l4_fpage_t</a> const &amp;fpage, <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> map_mask, <a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb=<a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>()) noexcept</td></tr>
<tr class="memdesc:a4b9294cc5d6338a36958df578f092a25 inherit pub_methods_classL4_1_1Task"><td class="mdescLeft">&#160;</td><td class="mdescRight">Revoke rights from the task. <br /></td></tr>
<tr class="memitem:aaf697eee4820135193d30e4b0e89535b inherit pub_methods_classL4_1_1Task" id="r_aaf697eee4820135193d30e4b0e89535b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classL4_1_1Task.html#aaf697eee4820135193d30e4b0e89535b">unmap_batch</a> (<a class="el" href="unionl4__fpage__t.html">l4_fpage_t</a> const *fpages, unsigned num_fpages, <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> map_mask, <a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb=<a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>()) noexcept</td></tr>
<tr class="memdesc:aaf697eee4820135193d30e4b0e89535b inherit pub_methods_classL4_1_1Task"><td class="mdescLeft">&#160;</td><td class="mdescRight">Revoke rights from a task. <br /></td></tr>
<tr class="memitem:a6cc499337ace36c2cec41da182c905fc inherit pub_methods_classL4_1_1Task" id="r_a6cc499337ace36c2cec41da182c905fc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classL4_1_1Task.html#a6cc499337ace36c2cec41da182c905fc">delete_obj</a> (<a class="el" href="classL4_1_1Cap.html">L4::Cap</a>&lt; void &gt; obj, <a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb=<a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>()) noexcept</td></tr>
<tr class="memdesc:a6cc499337ace36c2cec41da182c905fc inherit pub_methods_classL4_1_1Task"><td class="mdescLeft">&#160;</td><td class="mdescRight">Release capability and delete object. <br /></td></tr>
<tr class="memitem:a6fd63174fb70beb932b8889e3d644b53 inherit pub_methods_classL4_1_1Task" id="r_a6fd63174fb70beb932b8889e3d644b53"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classL4_1_1Task.html#a6fd63174fb70beb932b8889e3d644b53">release_cap</a> (<a class="el" href="classL4_1_1Cap.html">L4::Cap</a>&lt; void &gt; <a class="el" href="classL4_1_1Kobject.html#a4f2117ae76762f4084e6a1adb915863c">cap</a>, <a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb=<a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>()) noexcept</td></tr>
<tr class="memdesc:a6fd63174fb70beb932b8889e3d644b53 inherit pub_methods_classL4_1_1Task"><td class="mdescLeft">&#160;</td><td class="mdescRight">Release object capability. <br /></td></tr>
<tr class="memitem:ac2099a8cdf44b31d8bdcce6d758f8f98 inherit pub_methods_classL4_1_1Task" id="r_ac2099a8cdf44b31d8bdcce6d758f8f98"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classL4_1_1Task.html#ac2099a8cdf44b31d8bdcce6d758f8f98">cap_valid</a> (<a class="el" href="classL4_1_1Cap.html">Cap</a>&lt; void &gt; const &amp;<a class="el" href="classL4_1_1Kobject.html#a4f2117ae76762f4084e6a1adb915863c">cap</a>, <a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb=<a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>()) noexcept</td></tr>
<tr class="memdesc:ac2099a8cdf44b31d8bdcce6d758f8f98 inherit pub_methods_classL4_1_1Task"><td class="mdescLeft">&#160;</td><td class="mdescRight">Check whether a capability is present (refers to an object). <br /></td></tr>
<tr class="memitem:ac3a7a5e423b0b47ed028a6616fe74415 inherit pub_methods_classL4_1_1Task" id="r_ac3a7a5e423b0b47ed028a6616fe74415"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classL4_1_1Task.html#ac3a7a5e423b0b47ed028a6616fe74415">cap_equal</a> (<a class="el" href="classL4_1_1Cap.html">Cap</a>&lt; void &gt; const &amp;cap_a, <a class="el" href="classL4_1_1Cap.html">Cap</a>&lt; void &gt; const &amp;cap_b, <a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb=<a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>()) noexcept</td></tr>
<tr class="memdesc:ac3a7a5e423b0b47ed028a6616fe74415 inherit pub_methods_classL4_1_1Task"><td class="mdescLeft">&#160;</td><td class="mdescRight">Test whether two capabilities point to the same object with the same permissions (only considering selected permissions). <br /></td></tr>
<tr class="memitem:a9e741ff1d27ca776c65abaff1de2f139 inherit pub_methods_classL4_1_1Task" id="r_a9e741ff1d27ca776c65abaff1de2f139"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classL4_1_1Task.html#a9e741ff1d27ca776c65abaff1de2f139">add_ku_mem</a> (<a class="el" href="unionl4__fpage__t.html">l4_fpage_t</a> *fpage, <a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb=<a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>()) noexcept</td></tr>
<tr class="memdesc:a9e741ff1d27ca776c65abaff1de2f139 inherit pub_methods_classL4_1_1Task"><td class="mdescLeft">&#160;</td><td class="mdescRight">Add kernel-user memory. <br /></td></tr>
<tr class="inherit_header pub_methods_classL4_1_1Kobject"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pub_methods_classL4_1_1Kobject')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Public Member Functions inherited from <a class="el" href="classL4_1_1Kobject.html">L4::Kobject</a></td></tr>
<tr class="memitem:a9fe009599de49f1af438ff49998faec0 inherit pub_methods_classL4_1_1Kobject" id="r_a9fe009599de49f1af438ff49998faec0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classL4_1_1Kobject.html#a9fe009599de49f1af438ff49998faec0">dec_refcnt</a> (<a class="el" href="group__l4__basic__types.html#ga51d9492e7700d70ed35838154ca9b279">l4_mword_t</a> diff, <a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb=<a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>())</td></tr>
<tr class="memdesc:a9fe009599de49f1af438ff49998faec0 inherit pub_methods_classL4_1_1Kobject"><td class="mdescLeft">&#160;</td><td class="mdescRight">Decrement the in kernel reference counter for the object. <br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-inherited" class="groupheader"><a id="inherited" name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pro_types_classL4_1_1Kobject__t"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_types_classL4_1_1Kobject__t')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Protected Types inherited from <a class="el" href="classL4_1_1Kobject__t.html">L4::Kobject_t&lt; Vm, Task, L4_PROTO_VM &gt;</a></td></tr>
<tr class="memitem:af7df35ba5bf68ef5993e605a6b62328a inherit pro_types_classL4_1_1Kobject__t" id="r_af7df35ba5bf68ef5993e605a6b62328a"><td class="memItemLeft" align="right" valign="top">
typedef <a class="el" href="classL4_1_1Vm.html">Vm</a>&#160;</td><td class="memItemRight" valign="bottom"><b>Class</b></td></tr>
<tr class="memdesc:af7df35ba5bf68ef5993e605a6b62328a inherit pro_types_classL4_1_1Kobject__t"><td class="mdescLeft">&#160;</td><td class="mdescRight">The target interface type (inheriting from <a class="el" href="classL4_1_1Kobject__t.html" title="Helper class to create an L4Re interface class that is derived from a single base class.">Kobject_t</a>). <br /></td></tr>
<tr class="memitem:a0d83157994565e9c01f10006bdda2efa inherit pro_types_classL4_1_1Kobject__t" id="r_a0d83157994565e9c01f10006bdda2efa"><td class="memItemLeft" align="right" valign="top">
typedef Typeid::Iface&lt; PROTO, <a class="el" href="classL4_1_1Vm.html">Vm</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>__Iface</b></td></tr>
<tr class="memdesc:a0d83157994565e9c01f10006bdda2efa inherit pro_types_classL4_1_1Kobject__t"><td class="mdescLeft">&#160;</td><td class="mdescRight">The interface description for the derived class. <br /></td></tr>
<tr class="memitem:afc2feec2f4a15e85286aabfa15c53e06 inherit pro_types_classL4_1_1Kobject__t" id="r_afc2feec2f4a15e85286aabfa15c53e06"><td class="memItemLeft" align="right" valign="top">
typedef Typeid::Merge_list&lt; Typeid::Iface_list&lt; <a class="el" href="classL4_1_1Kobject__t.html#a0d83157994565e9c01f10006bdda2efa">__Iface</a> &gt;, typename Task::__Iface_list &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>__Iface_list</b></td></tr>
<tr class="memdesc:afc2feec2f4a15e85286aabfa15c53e06 inherit pro_types_classL4_1_1Kobject__t"><td class="mdescLeft">&#160;</td><td class="mdescRight">The list of all RPC interfaces provided directly or through inheritance. <br /></td></tr>
<tr class="inherit_header pro_types_classL4_1_1Kobject__t"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_types_classL4_1_1Kobject__t')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Protected Types inherited from <a class="el" href="classL4_1_1Kobject__t.html">L4::Kobject_t&lt; Task, Kobject, L4_PROTO_TASK, Type_info::Demand_t&lt; 2 &gt; &gt;</a></td></tr>
<tr class="memitem:af7df35ba5bf68ef5993e605a6b62328a inherit pro_types_classL4_1_1Kobject__t" id="r_af7df35ba5bf68ef5993e605a6b62328a"><td class="memItemLeft" align="right" valign="top">
typedef <a class="el" href="classL4_1_1Task.html">Task</a>&#160;</td><td class="memItemRight" valign="bottom"><b>Class</b></td></tr>
<tr class="memdesc:af7df35ba5bf68ef5993e605a6b62328a inherit pro_types_classL4_1_1Kobject__t"><td class="mdescLeft">&#160;</td><td class="mdescRight">The target interface type (inheriting from <a class="el" href="classL4_1_1Kobject__t.html" title="Helper class to create an L4Re interface class that is derived from a single base class.">Kobject_t</a>). <br /></td></tr>
<tr class="memitem:a0d83157994565e9c01f10006bdda2efa inherit pro_types_classL4_1_1Kobject__t" id="r_a0d83157994565e9c01f10006bdda2efa"><td class="memItemLeft" align="right" valign="top">
typedef Typeid::Iface&lt; PROTO, <a class="el" href="classL4_1_1Task.html">Task</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>__Iface</b></td></tr>
<tr class="memdesc:a0d83157994565e9c01f10006bdda2efa inherit pro_types_classL4_1_1Kobject__t"><td class="mdescLeft">&#160;</td><td class="mdescRight">The interface description for the derived class. <br /></td></tr>
<tr class="memitem:afc2feec2f4a15e85286aabfa15c53e06 inherit pro_types_classL4_1_1Kobject__t" id="r_afc2feec2f4a15e85286aabfa15c53e06"><td class="memItemLeft" align="right" valign="top">
typedef Typeid::Merge_list&lt; Typeid::Iface_list&lt; <a class="el" href="classL4_1_1Kobject__t.html#a0d83157994565e9c01f10006bdda2efa">__Iface</a> &gt;, typename Kobject::__Iface_list &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>__Iface_list</b></td></tr>
<tr class="memdesc:afc2feec2f4a15e85286aabfa15c53e06 inherit pro_types_classL4_1_1Kobject__t"><td class="mdescLeft">&#160;</td><td class="mdescRight">The list of all RPC interfaces provided directly or through inheritance. <br /></td></tr>
<tr class="inherit_header pro_methods_classL4_1_1Kobject__t"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_methods_classL4_1_1Kobject__t')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Protected Member Functions inherited from <a class="el" href="classL4_1_1Kobject__t.html">L4::Kobject_t&lt; Vm, Task, L4_PROTO_VM &gt;</a></td></tr>
<tr class="memitem:a3d80fec7e057d575ec4b393437f05f8a inherit pro_methods_classL4_1_1Kobject__t" id="r_a3d80fec7e057d575ec4b393437f05f8a"><td class="memItemLeft" align="right" valign="top">
<a class="el" href="classL4_1_1Cap.html">L4::Cap</a>&lt; <a class="el" href="classL4_1_1Kobject__t.html#af7df35ba5bf68ef5993e605a6b62328a">Class</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>c</b> () const noexcept</td></tr>
<tr class="memdesc:a3d80fec7e057d575ec4b393437f05f8a inherit pro_methods_classL4_1_1Kobject__t"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the capability to ourselves. <br /></td></tr>
<tr class="inherit_header pro_methods_classL4_1_1Kobject__t"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_methods_classL4_1_1Kobject__t')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Protected Member Functions inherited from <a class="el" href="classL4_1_1Kobject__t.html">L4::Kobject_t&lt; Task, Kobject, L4_PROTO_TASK, Type_info::Demand_t&lt; 2 &gt; &gt;</a></td></tr>
<tr class="memitem:a3d80fec7e057d575ec4b393437f05f8a inherit pro_methods_classL4_1_1Kobject__t" id="r_a3d80fec7e057d575ec4b393437f05f8a"><td class="memItemLeft" align="right" valign="top">
<a class="el" href="classL4_1_1Cap.html">L4::Cap</a>&lt; <a class="el" href="classL4_1_1Kobject__t.html#af7df35ba5bf68ef5993e605a6b62328a">Class</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>c</b> () const noexcept</td></tr>
<tr class="memdesc:a3d80fec7e057d575ec4b393437f05f8a inherit pro_methods_classL4_1_1Kobject__t"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the capability to ourselves. <br /></td></tr>
<tr class="inherit_header pro_methods_classL4_1_1Kobject"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_methods_classL4_1_1Kobject')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Protected Member Functions inherited from <a class="el" href="classL4_1_1Kobject.html">L4::Kobject</a></td></tr>
<tr class="memitem:a4f2117ae76762f4084e6a1adb915863c inherit pro_methods_classL4_1_1Kobject" id="r_a4f2117ae76762f4084e6a1adb915863c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classL4_1_1Kobject.html#a4f2117ae76762f4084e6a1adb915863c">cap</a> () const noexcept</td></tr>
<tr class="memdesc:a4f2117ae76762f4084e6a1adb915863c inherit pro_methods_classL4_1_1Kobject"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return capability selector. <br /></td></tr>
<tr class="inherit_header pro_static_methods_classL4_1_1Kobject__t"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_static_methods_classL4_1_1Kobject__t')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Static Protected Member Functions inherited from <a class="el" href="classL4_1_1Kobject__t.html">L4::Kobject_t&lt; Vm, Task, L4_PROTO_VM &gt;</a></td></tr>
<tr class="memitem:a7433b8eed587278821dd496864f75363 inherit pro_static_methods_classL4_1_1Kobject__t" id="r_a7433b8eed587278821dd496864f75363"><td class="memItemLeft" align="right" valign="top">
static void&#160;</td><td class="memItemRight" valign="bottom"><b>__check_protocols__</b> () noexcept</td></tr>
<tr class="memdesc:a7433b8eed587278821dd496864f75363 inherit pro_static_methods_classL4_1_1Kobject__t"><td class="mdescLeft">&#160;</td><td class="mdescRight">Helper to check for protocol conflicts. <br /></td></tr>
<tr class="inherit_header pro_static_methods_classL4_1_1Kobject__t"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_static_methods_classL4_1_1Kobject__t')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Static Protected Member Functions inherited from <a class="el" href="classL4_1_1Kobject__t.html">L4::Kobject_t&lt; Task, Kobject, L4_PROTO_TASK, Type_info::Demand_t&lt; 2 &gt; &gt;</a></td></tr>
<tr class="memitem:a7433b8eed587278821dd496864f75363 inherit pro_static_methods_classL4_1_1Kobject__t" id="r_a7433b8eed587278821dd496864f75363"><td class="memItemLeft" align="right" valign="top">
static void&#160;</td><td class="memItemRight" valign="bottom"><b>__check_protocols__</b> () noexcept</td></tr>
<tr class="memdesc:a7433b8eed587278821dd496864f75363 inherit pro_static_methods_classL4_1_1Kobject__t"><td class="mdescLeft">&#160;</td><td class="mdescRight">Helper to check for protocol conflicts. <br /></td></tr>
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<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Virtual machine host address space. </p>
<p><a class="el" href="classL4_1_1Vm.html" title="Virtual machine host address space.">L4::Vm</a> is a specialisation of <a class="el" href="classL4_1_1Task.html" title="C++ interface of the Task kernel object, see Task for the C interface.">L4::Task</a>, used for virtual machines. The microkernel employs an appropriate page-table format for hosting VMs, such as ePT on VT-x. On Arm, it offers a call to make the virtual GICC area available to the VM. </p>
<p class="definition">Definition at line <a class="el" href="____vm-arm_8h_source.html#l00017">17</a> of file <a class="el" href="____vm-arm_8h_source.html">__vm-arm.h</a>.</p>
</div><a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ab14cb70e8330d3e1ce5528e96fe0a0da">&#9670;&#160;</a></span>vgicc_map()</h2>
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<td class="memname"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a> L4::Vm::vgicc_map </td>
<td>(</td>
<td class="paramtype"><a class="el" href="unionl4__fpage__t.html">l4_fpage_t</a> const</td> <td class="paramname"><span class="paramname"><em>vgicc_fpage</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *</td> <td class="paramname"><span class="paramname"><em>utcb</em></span><span class="paramdefsep"> = </span><span class="paramdefval"><a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>()</span>&#160;)</td>
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<p>Map the GIC virtual CPU interface page to the task in case Fiasco detected a GIC version 2. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">vgicc_fpage</td><td>Flexpage that describes an area in the address space of the destination task to map the vGICC page to. </td></tr>
<tr><td class="paramname">utcb</td><td>UTCB to be used for this operation, shall be the UTCB of the calling thread. See <a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644" title="Get the UTCB address.">l4_utcb</a>.</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Syscall return tag. </dd></dl>
<p class="definition">Definition at line <a class="el" href="____vm-arm_8h_source.html#l00030">30</a> of file <a class="el" href="____vm-arm_8h_source.html">__vm-arm.h</a>.</p>
<p class="reference">References <a class="el" href="kobject_source.html#l00069">L4::Kobject::cap()</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>l4/sys/<a class="el" href="____vm-arm_8h_source.html">__vm-arm.h</a></li>
<li>l4/sys/<a class="el" href="l4_2sys_2vm_source.html">vm</a></li>
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