205 lines
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205 lines
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<div id="projectname">MyOS Kernel
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<div class="header">
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<a href="#nested-classes">Data Structures</a> |
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<a href="#define-members">Macros</a> |
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<a href="#func-members">Functions</a> |
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<a href="#var-members">Variables</a> </div>
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<div class="headertitle">
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<div class="title">idt.c File Reference</div> </div>
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<div class="contents">
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<div class="textblock"><code>#include "<a class="el" href="idt_8h_source.html">idt.h</a>"</code><br />
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<code>#include <stdint.h></code><br />
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</div><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
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Data Structures</h2></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structidt__gate__t.html">idt_gate_t</a></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structidt__register__t.html">idt_register_t</a></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
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Macros</h2></td></tr>
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<tr class="memitem:ab0b69b822e9207a5960bc07fc3d36ee4"><td class="memItemLeft" align="right" valign="top"><a id="ab0b69b822e9207a5960bc07fc3d36ee4"></a>
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#define </td><td class="memItemRight" valign="bottom"><a class="el" href="idt_8c.html#ab0b69b822e9207a5960bc07fc3d36ee4">KERNEL_CS</a>   0x08</td></tr>
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<tr class="memdesc:ab0b69b822e9207a5960bc07fc3d36ee4"><td class="mdescLeft"> </td><td class="mdescRight">Kernel code segemnt selector. <br /></td></tr>
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<tr class="separator:ab0b69b822e9207a5960bc07fc3d36ee4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a2a59a505aa55f15c152f30f811fbd310"><td class="memItemLeft" align="right" valign="top"><a id="a2a59a505aa55f15c152f30f811fbd310"></a>
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#define </td><td class="memItemRight" valign="bottom"><a class="el" href="idt_8c.html#a2a59a505aa55f15c152f30f811fbd310">IDT_ENTRIES</a>   256</td></tr>
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<tr class="memdesc:a2a59a505aa55f15c152f30f811fbd310"><td class="mdescLeft"> </td><td class="mdescRight">Number of entries in the IDT. <br /></td></tr>
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<tr class="separator:a2a59a505aa55f15c152f30f811fbd310"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af4930830ad9afbd34cd8cb175e63bc70"><td class="memItemLeft" align="right" valign="top"><a id="af4930830ad9afbd34cd8cb175e63bc70"></a>
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#define </td><td class="memItemRight" valign="bottom"><a class="el" href="idt_8c.html#af4930830ad9afbd34cd8cb175e63bc70">LOW_16</a>(address)   (uint16_t)((address) & 0xFFFF)</td></tr>
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<tr class="memdesc:af4930830ad9afbd34cd8cb175e63bc70"><td class="mdescLeft"> </td><td class="mdescRight">Macro to get the low 16 bits of an address. <br /></td></tr>
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<tr class="separator:af4930830ad9afbd34cd8cb175e63bc70"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a2da034237eeeaceff09c1a76f33c9233"><td class="memItemLeft" align="right" valign="top"><a id="a2da034237eeeaceff09c1a76f33c9233"></a>
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#define </td><td class="memItemRight" valign="bottom"><a class="el" href="idt_8c.html#a2da034237eeeaceff09c1a76f33c9233">HIGH_16</a>(address)   (uint16_t)(((address) >> 16) & 0xFFFF)</td></tr>
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<tr class="memdesc:a2da034237eeeaceff09c1a76f33c9233"><td class="mdescLeft"> </td><td class="mdescRight">Macro to get the high 16 bits of an address. <br /></td></tr>
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<tr class="separator:a2da034237eeeaceff09c1a76f33c9233"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:a8dbed98f9174c8ad5e587f3d3881ad73"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="idt_8c.html#a8dbed98f9174c8ad5e587f3d3881ad73">idt_set_gate</a> (int n, uint32_t handler)</td></tr>
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<tr class="separator:a8dbed98f9174c8ad5e587f3d3881ad73"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aacb15cc09678bbe5e09fb652c56e884e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="idt_8c.html#aacb15cc09678bbe5e09fb652c56e884e">load_idt</a> ()</td></tr>
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<tr class="separator:aacb15cc09678bbe5e09fb652c56e884e"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
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Variables</h2></td></tr>
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<tr class="memitem:a4d4654ee93de46cda6985f84a4db4137"><td class="memItemLeft" align="right" valign="top"><a id="a4d4654ee93de46cda6985f84a4db4137"></a>
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static <a class="el" href="structidt__gate__t.html">idt_gate_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="idt_8c.html#a4d4654ee93de46cda6985f84a4db4137">idt</a> [<a class="el" href="idt_8c.html#a2a59a505aa55f15c152f30f811fbd310">IDT_ENTRIES</a>]</td></tr>
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<tr class="memdesc:a4d4654ee93de46cda6985f84a4db4137"><td class="mdescLeft"> </td><td class="mdescRight">The IDT. <br /></td></tr>
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<tr class="separator:a4d4654ee93de46cda6985f84a4db4137"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a62dd615174090c33c237eee44032be5b"><td class="memItemLeft" align="right" valign="top"><a id="a62dd615174090c33c237eee44032be5b"></a>
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static <a class="el" href="structidt__register__t.html">idt_register_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="idt_8c.html#a62dd615174090c33c237eee44032be5b">idt_reg</a></td></tr>
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<tr class="memdesc:a62dd615174090c33c237eee44032be5b"><td class="mdescLeft"> </td><td class="mdescRight">The value to load into the IDTR. <br /></td></tr>
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<tr class="separator:a62dd615174090c33c237eee44032be5b"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="a8dbed98f9174c8ad5e587f3d3881ad73"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a8dbed98f9174c8ad5e587f3d3881ad73">◆ </a></span>idt_set_gate()</h2>
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<div class="memitem">
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<table class="memname">
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<td class="memname">void idt_set_gate </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>n</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>handler</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div><div class="memdoc">
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<p>Sets an IDT gate. </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">n</td><td>the IDT gate to set </td></tr>
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<tr><td class="paramname">handler</td><td>the handler for the gate. </td></tr>
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</table>
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</dd>
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<a id="aacb15cc09678bbe5e09fb652c56e884e"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#aacb15cc09678bbe5e09fb652c56e884e">◆ </a></span>load_idt()</h2>
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<div class="memproto">
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<td class="memname">void load_idt </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Loads the IDT </p>
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<ul>
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<li class="navelem"><a class="el" href="dir_dc43877d82dd332f9fb2071fcca799d6.html">kernel</a></li><li class="navelem"><a class="el" href="dir_de6efc35b99b831d558bda0d93c38d37.html">cpu</a></li><li class="navelem"><a class="el" href="dir_4f1b1f9de0a2e79802f54c784fb69b12.html">i386</a></li><li class="navelem"><a class="el" href="idt_8c.html">idt.c</a></li>
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<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1 </li>
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