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Viktor Reusch
2025-09-12 15:55:45 +02:00
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<p>Multiboot info structure as defined by GRUB.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;<a class="el" href="compiler_8h_source.html">l4/sys/compiler.h</a>&gt;</code><br />
<code>#include &lt;<a class="el" href="l4_2sys_2l4int_8h_source.html">l4/sys/l4int.h</a>&gt;</code><br />
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-nested-classes" class="groupheader"><a id="nested-classes" name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:l4util_5Fmb_5Fmod_5Ft" id="r_l4util_5Fmb_5Fmod_5Ft"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structl4util__mb__mod__t.html">l4util_mb_mod_t</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">The structure type "mod_list" is used by the <a class="el" href="structl4util__mb__info__t.html">multiboot_info</a> structure. <a href="structl4util__mb__mod__t.html#details">More...</a><br /></td></tr>
<tr class="memitem:l4util_5Fmb_5Faddr_5Frange_5Ft" id="r_l4util_5Fmb_5Faddr_5Frange_5Ft"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structl4util__mb__addr__range__t.html">l4util_mb_addr_range_t</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">INT-15, AX=E820 style "AddressRangeDescriptor" ...with a "size" parameter on the front which is the structure size - 4, pointing to the next one, up until the full buffer length of the memory map has been reached. <a href="structl4util__mb__addr__range__t.html#details">More...</a><br /></td></tr>
<tr class="memitem:l4util_5Fmb_5Fdrive_5Ft" id="r_l4util_5Fmb_5Fdrive_5Ft"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structl4util__mb__drive__t.html">l4util_mb_drive_t</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Drive Info structure. <a href="structl4util__mb__drive__t.html#details">More...</a><br /></td></tr>
<tr class="memitem:l4util_5Fmb_5Fapm_5Ft" id="r_l4util_5Fmb_5Fapm_5Ft"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structl4util__mb__apm__t.html">l4util_mb_apm_t</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">APM BIOS info. <a href="structl4util__mb__apm__t.html#details">More...</a><br /></td></tr>
<tr class="memitem:l4util_5Fmb_5Fvbe_5Fctrl_5Ft" id="r_l4util_5Fmb_5Fvbe_5Fctrl_5Ft"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structl4util__mb__vbe__ctrl__t.html">l4util_mb_vbe_ctrl_t</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">VBE controller information. <a href="structl4util__mb__vbe__ctrl__t.html#details">More...</a><br /></td></tr>
<tr class="memitem:l4util_5Fmb_5Fvbe_5Fmode_5Ft" id="r_l4util_5Fmb_5Fvbe_5Fmode_5Ft"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structl4util__mb__vbe__mode__t.html">l4util_mb_vbe_mode_t</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">VBE mode information. <a href="structl4util__mb__vbe__mode__t.html#details">More...</a><br /></td></tr>
<tr class="memitem:l4util_5Fmb_5Finfo_5Ft" id="r_l4util_5Fmb_5Finfo_5Ft"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structl4util__mb__info__t.html">l4util_mb_info_t</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">MultiBoot Info description. <a href="structl4util__mb__info__t.html#details">More...</a><br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-define-members" class="groupheader"><a id="define-members" name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:ab74fea25820885d7e26974ff568cb97c" id="r_ab74fea25820885d7e26974ff568cb97c"><td class="memItemLeft" align="right" valign="top"><a id="ab74fea25820885d7e26974ff568cb97c" name="ab74fea25820885d7e26974ff568cb97c"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>MB_ARD_MEMORY</b>&#160;&#160;&#160;1</td></tr>
<tr class="memdesc:ab74fea25820885d7e26974ff568cb97c"><td class="mdescLeft">&#160;</td><td class="mdescRight">usable memory "Type", all others are reserved. <br /></td></tr>
<tr class="memitem:a43e8f0f32ed4bf7eb8e6e63dfc8ba98b" id="r_a43e8f0f32ed4bf7eb8e6e63dfc8ba98b"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a43e8f0f32ed4bf7eb8e6e63dfc8ba98b">MB_ART_MEMORY</a>&#160;&#160;&#160;1</td></tr>
<tr class="memdesc:a43e8f0f32ed4bf7eb8e6e63dfc8ba98b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Address Range Types (ART) from "Advanced Configuration and Power Interface
Specification" Rev3.0a (p. <br /></td></tr>
<tr class="memitem:a2dfb8d15a49bd1c0a33eeb6f0390cbdc" id="r_a2dfb8d15a49bd1c0a33eeb6f0390cbdc"><td class="memItemLeft" align="right" valign="top"><a id="a2dfb8d15a49bd1c0a33eeb6f0390cbdc" name="a2dfb8d15a49bd1c0a33eeb6f0390cbdc"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>MB_ART_RESERVED</b>&#160;&#160;&#160;2</td></tr>
<tr class="memdesc:a2dfb8d15a49bd1c0a33eeb6f0390cbdc"><td class="mdescLeft">&#160;</td><td class="mdescRight">in use or reserved by system <br /></td></tr>
<tr class="memitem:adadd00e1f4cceb600f6556bb4ccfcfc1" id="r_adadd00e1f4cceb600f6556bb4ccfcfc1"><td class="memItemLeft" align="right" valign="top"><a id="adadd00e1f4cceb600f6556bb4ccfcfc1" name="adadd00e1f4cceb600f6556bb4ccfcfc1"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>MB_ART_ACPI</b>&#160;&#160;&#160;3</td></tr>
<tr class="memdesc:adadd00e1f4cceb600f6556bb4ccfcfc1"><td class="mdescLeft">&#160;</td><td class="mdescRight">ACPI Reclaim Memory (RAM that contains ACPI tables). <br /></td></tr>
<tr class="memitem:ab9c2bcdcc1801e39b5b5286c59e58ed6" id="r_ab9c2bcdcc1801e39b5b5286c59e58ed6"><td class="memItemLeft" align="right" valign="top"><a id="ab9c2bcdcc1801e39b5b5286c59e58ed6" name="ab9c2bcdcc1801e39b5b5286c59e58ed6"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>MB_ART_NVS</b>&#160;&#160;&#160;4</td></tr>
<tr class="memdesc:ab9c2bcdcc1801e39b5b5286c59e58ed6"><td class="mdescLeft">&#160;</td><td class="mdescRight">ACPI NVS Memory (must not be used by the OS. <br /></td></tr>
<tr class="memitem:ac69cb21ace561636798922ae10093570" id="r_ac69cb21ace561636798922ae10093570"><td class="memItemLeft" align="right" valign="top"><a id="ac69cb21ace561636798922ae10093570" name="ac69cb21ace561636798922ae10093570"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>MB_ART_UNUSABLE</b>&#160;&#160;&#160;5</td></tr>
<tr class="memdesc:ac69cb21ace561636798922ae10093570"><td class="mdescLeft">&#160;</td><td class="mdescRight">memory in which errors have been detected <br /></td></tr>
<tr class="memitem:a63e8447e5c6c4756496686b4842ec580" id="r_a63e8447e5c6c4756496686b4842ec580"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a63e8447e5c6c4756496686b4842ec580">l4util_mb_for_each_mmap_entry</a>(i, mbi)</td></tr>
<tr class="memdesc:a63e8447e5c6c4756496686b4842ec580"><td class="mdescLeft">&#160;</td><td class="mdescRight">Iterate over a memory map provided in a Multiboot info. <br /></td></tr>
<tr class="memitem:ac16a0b985517163587735aae47b490ea" id="r_ac16a0b985517163587735aae47b490ea"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ac16a0b985517163587735aae47b490ea">L4UTIL_MB_MEMORY</a>&#160;&#160;&#160;0x00000001</td></tr>
<tr class="memdesc:ac16a0b985517163587735aae47b490ea"><td class="mdescLeft">&#160;</td><td class="mdescRight">Flags to be set in the 'flags' parameter above. <br /></td></tr>
<tr class="memitem:abacdad5f7ed4d5e133c4d288a84741db" id="r_abacdad5f7ed4d5e133c4d288a84741db"><td class="memItemLeft" align="right" valign="top"><a id="abacdad5f7ed4d5e133c4d288a84741db" name="abacdad5f7ed4d5e133c4d288a84741db"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_BOOTDEV</b>&#160;&#160;&#160;0x00000002</td></tr>
<tr class="memdesc:abacdad5f7ed4d5e133c4d288a84741db"><td class="mdescLeft">&#160;</td><td class="mdescRight">is there a boot device set? <br /></td></tr>
<tr class="memitem:a7cbeb5f2e5aa403d17210c566849709d" id="r_a7cbeb5f2e5aa403d17210c566849709d"><td class="memItemLeft" align="right" valign="top"><a id="a7cbeb5f2e5aa403d17210c566849709d" name="a7cbeb5f2e5aa403d17210c566849709d"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_CMDLINE</b>&#160;&#160;&#160;0x00000004</td></tr>
<tr class="memdesc:a7cbeb5f2e5aa403d17210c566849709d"><td class="mdescLeft">&#160;</td><td class="mdescRight">is the command-line defined? <br /></td></tr>
<tr class="memitem:a66aa61e7976631ffab75b39283fb27df" id="r_a66aa61e7976631ffab75b39283fb27df"><td class="memItemLeft" align="right" valign="top"><a id="a66aa61e7976631ffab75b39283fb27df" name="a66aa61e7976631ffab75b39283fb27df"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_MODS</b>&#160;&#160;&#160;0x00000008</td></tr>
<tr class="memdesc:a66aa61e7976631ffab75b39283fb27df"><td class="mdescLeft">&#160;</td><td class="mdescRight">are there modules to do something with? <br /></td></tr>
<tr class="memitem:a86c4363bd29bc93b54348914774bf629" id="r_a86c4363bd29bc93b54348914774bf629"><td class="memItemLeft" align="right" valign="top"><a id="a86c4363bd29bc93b54348914774bf629" name="a86c4363bd29bc93b54348914774bf629"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_AOUT_SYMS</b>&#160;&#160;&#160;0x00000010</td></tr>
<tr class="memdesc:a86c4363bd29bc93b54348914774bf629"><td class="mdescLeft">&#160;</td><td class="mdescRight">is there a symbol table loaded? <br /></td></tr>
<tr class="memitem:a41374235958fe83c49a1ac2dbff90afb" id="r_a41374235958fe83c49a1ac2dbff90afb"><td class="memItemLeft" align="right" valign="top"><a id="a41374235958fe83c49a1ac2dbff90afb" name="a41374235958fe83c49a1ac2dbff90afb"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_ELF_SHDR</b>&#160;&#160;&#160;0x00000020</td></tr>
<tr class="memdesc:a41374235958fe83c49a1ac2dbff90afb"><td class="mdescLeft">&#160;</td><td class="mdescRight">is there an ELF section header table? <br /></td></tr>
<tr class="memitem:a846ff89bcc1c2c03348ce9d09896af5a" id="r_a846ff89bcc1c2c03348ce9d09896af5a"><td class="memItemLeft" align="right" valign="top"><a id="a846ff89bcc1c2c03348ce9d09896af5a" name="a846ff89bcc1c2c03348ce9d09896af5a"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_MEM_MAP</b>&#160;&#160;&#160;0x00000040</td></tr>
<tr class="memdesc:a846ff89bcc1c2c03348ce9d09896af5a"><td class="mdescLeft">&#160;</td><td class="mdescRight">is there a full memory map? <br /></td></tr>
<tr class="memitem:ad18a3b24178c1c95cf42590a4de316c6" id="r_ad18a3b24178c1c95cf42590a4de316c6"><td class="memItemLeft" align="right" valign="top"><a id="ad18a3b24178c1c95cf42590a4de316c6" name="ad18a3b24178c1c95cf42590a4de316c6"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_DRIVE_INFO</b>&#160;&#160;&#160;0x00000080</td></tr>
<tr class="memdesc:ad18a3b24178c1c95cf42590a4de316c6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Is there drive info? <br /></td></tr>
<tr class="memitem:ab2d44d055885d15dc9c028a347d03b03" id="r_ab2d44d055885d15dc9c028a347d03b03"><td class="memItemLeft" align="right" valign="top"><a id="ab2d44d055885d15dc9c028a347d03b03" name="ab2d44d055885d15dc9c028a347d03b03"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_CONFIG_TABLE</b>&#160;&#160;&#160;0x00000100</td></tr>
<tr class="memdesc:ab2d44d055885d15dc9c028a347d03b03"><td class="mdescLeft">&#160;</td><td class="mdescRight">Is there a config table? <br /></td></tr>
<tr class="memitem:a7a8a9008a53d61c2138832721eb49bf1" id="r_a7a8a9008a53d61c2138832721eb49bf1"><td class="memItemLeft" align="right" valign="top"><a id="a7a8a9008a53d61c2138832721eb49bf1" name="a7a8a9008a53d61c2138832721eb49bf1"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_BOOT_LOADER_NAME</b>&#160;&#160;&#160;0x00000200</td></tr>
<tr class="memdesc:a7a8a9008a53d61c2138832721eb49bf1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Is there a boot loader name? <br /></td></tr>
<tr class="memitem:a963bd5a05f4751c6304d2508ec637a15" id="r_a963bd5a05f4751c6304d2508ec637a15"><td class="memItemLeft" align="right" valign="top"><a id="a963bd5a05f4751c6304d2508ec637a15" name="a963bd5a05f4751c6304d2508ec637a15"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_APM_TABLE</b>&#160;&#160;&#160;0x00000400</td></tr>
<tr class="memdesc:a963bd5a05f4751c6304d2508ec637a15"><td class="mdescLeft">&#160;</td><td class="mdescRight">Is there a APM table? <br /></td></tr>
<tr class="memitem:aef68b68b658b53df8aca65264b40b3ac" id="r_aef68b68b658b53df8aca65264b40b3ac"><td class="memItemLeft" align="right" valign="top"><a id="aef68b68b658b53df8aca65264b40b3ac" name="aef68b68b658b53df8aca65264b40b3ac"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_VIDEO_INFO</b>&#160;&#160;&#160;0x00000800</td></tr>
<tr class="memdesc:aef68b68b658b53df8aca65264b40b3ac"><td class="mdescLeft">&#160;</td><td class="mdescRight">Is there video information? <br /></td></tr>
<tr class="memitem:a4be32be93842d66a90be719071438f94" id="r_a4be32be93842d66a90be719071438f94"><td class="memItemLeft" align="right" valign="top"><a id="a4be32be93842d66a90be719071438f94" name="a4be32be93842d66a90be719071438f94"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>L4UTIL_MB_VALID</b>&#160;&#160;&#160;0x2BADB002UL</td></tr>
<tr class="memdesc:a4be32be93842d66a90be719071438f94"><td class="mdescLeft">&#160;</td><td class="mdescRight">If we are multiboot-compliant, this value is present in the eax register. <br /></td></tr>
</table>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Multiboot info structure as defined by GRUB. </p>
<p class="definition">Definition in file <a class="el" href="mb__info_8h_source.html">mb_info.h</a>.</p>
</div><a name="doc-define-members" id="doc-define-members"></a><h2 id="header-doc-define-members" class="groupheader">Macro Definition Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a63e8447e5c6c4756496686b4842ec580">&#9670;&#160;</a></span>l4util_mb_for_each_mmap_entry</h2>
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<td class="memname">#define l4util_mb_for_each_mmap_entry</td>
<td>(</td>
<td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>i</em></span>, </td>
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<td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>mbi</em></span>&#160;)</td>
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<b>Value:</b><div class="fragment"><div class="line"> <span class="keywordflow">for</span> (i = l4util_mb_first_mmap_entry(mbi); \</div>
<div class="line"> (<span class="keywordtype">unsigned</span> long)i &lt; (<span class="keywordtype">unsigned</span> long)mbi-&gt;mmap_addr + mbi-&gt;mmap_length; \</div>
<div class="line"> i = l4util_mb_next_mmap_entry(i))</div>
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<p>Iterate over a memory map provided in a Multiboot info. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">i</td><td>Name of a variable of type <a class="el" href="structl4util__mb__addr__range__t.html" title="INT-15, AX=E820 style &quot;AddressRangeDescriptor&quot; ...with a &quot;size&quot; parameter on the front which is the s...">l4util_mb_addr_range_t</a> * that is consecutively assigned pointers to the entries of the memory map. </td></tr>
<tr><td class="paramname">mbi</td><td>Pointer to the <a class="el" href="structl4util__mb__info__t.html" title="MultiBoot Info description.">l4util_mb_info_t</a> where the memory map can be found. </td></tr>
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<p class="definition">Definition at line <a class="el" href="mb__info_8h_source.html#l00332">332</a> of file <a class="el" href="mb__info_8h_source.html">mb_info.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac16a0b985517163587735aae47b490ea">&#9670;&#160;</a></span>L4UTIL_MB_MEMORY</h2>
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<td class="memname">#define L4UTIL_MB_MEMORY&#160;&#160;&#160;0x00000001</td>
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<p>Flags to be set in the 'flags' parameter above. </p>
<p>is there basic lower/upper memory information? </p>
<p class="definition">Definition at line <a class="el" href="mb__info_8h_source.html#l00344">344</a> of file <a class="el" href="mb__info_8h_source.html">mb_info.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a43e8f0f32ed4bf7eb8e6e63dfc8ba98b">&#9670;&#160;</a></span>MB_ART_MEMORY</h2>
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<td class="memname">#define MB_ART_MEMORY&#160;&#160;&#160;1</td>
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<p>Address Range Types (ART) from "Advanced Configuration and Power Interface
Specification" Rev3.0a (p. </p>
<p>390). Other values are undefined. available, usable RAM </p>
<p class="definition">Definition at line <a class="el" href="mb__info_8h_source.html#l00064">64</a> of file <a class="el" href="mb__info_8h_source.html">mb_info.h</a>.</p>
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