ZealOS/docs/Demo/Lectures/PCIInterrupts.CC.html
TomAwezome 1b75d91002 Fix Mount AHCI Port selection.
Add arg to SATARep to specify drive types to show.
Add checks in AHCIPortInit to verify port signatures, add helper method to get signatures from port.
2021-08-02 16:40:05 -04:00

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<a name="l1"></a><span class=cF2>//See </span><span class=cF4><u>PCI</u></span><span class=cF2>.</span><span class=cF0>
<a name="l2"></a>
<a name="l3"></a>#</span><span class=cF1>if</span><span class=cF0> </span><span class=cFB>mp_count</span><span class=cF0> &gt; </span><span class=cFE>1</span><span class=cF0>
<a name="l4"></a>#</span><span class=cF1>define</span><span class=cF0> DEST_CPU </span><span class=cFE>1</span><span class=cF0>
<a name="l5"></a>#</span><span class=cF1>else</span><span class=cF0>
<a name="l6"></a>#</span><span class=cF1>define</span><span class=cF0> DEST_CPU </span><span class=cFE>0</span><span class=cF0>
<a name="l7"></a>#</span><span class=cF1>endif</span><span class=cF0>
<a name="l8"></a>
<a name="l9"></a>#</span><span class=cF1>assert</span><span class=cF0> </span><span class=cF3>I_USER</span><span class=cF0> == </span><span class=cFE>0x40</span><span class=cF0>
<a name="l10"></a>
<a name="l11"></a></span><span class=cF1>interrupt</span><span class=cF0> </span><span class=cF1>U0</span><span class=cF0> IntMy40()
<a name="l12"></a>{
<a name="l13"></a> </span><span class=cF1>lock</span><span class=cF0> </span><span class=cF7>{</span><span class=cFB>progress1</span><span class=cF0>++;</span><span class=cF7>}</span><span class=cF0>
<a name="l14"></a> *(</span><span class=cFB>dev</span><span class=cF0>.uncached_alias + </span><span class=cF3>LAPIC_EOI</span><span class=cF0>)(</span><span class=cF9>U32</span><span class=cF0> *) = </span><span class=cFE>0</span><span class=cF0>;
<a name="l15"></a>}
<a name="l16"></a>
<a name="l17"></a></span><span class=cF1>interrupt</span><span class=cF0> </span><span class=cF1>U0</span><span class=cF0> IntMy41()
<a name="l18"></a>{
<a name="l19"></a> </span><span class=cF1>lock</span><span class=cF0> </span><span class=cF7>{</span><span class=cFB>progress2</span><span class=cF0>++;</span><span class=cF7>}</span><span class=cF0>
<a name="l20"></a> *(</span><span class=cFB>dev</span><span class=cF0>.uncached_alias + </span><span class=cF3>LAPIC_EOI</span><span class=cF0>)(</span><span class=cF9>U32</span><span class=cF0> *) = </span><span class=cFE>0</span><span class=cF0>;
<a name="l21"></a>}
<a name="l22"></a>
<a name="l23"></a></span><span class=cF1>interrupt</span><span class=cF0> </span><span class=cF1>U0</span><span class=cF0> IntMy42()
<a name="l24"></a>{
<a name="l25"></a> </span><span class=cF1>lock</span><span class=cF0> </span><span class=cF7>{</span><span class=cFB>progress3</span><span class=cF0>++;</span><span class=cF7>}</span><span class=cF0>
<a name="l26"></a> *(</span><span class=cFB>dev</span><span class=cF0>.uncached_alias + </span><span class=cF3>LAPIC_EOI</span><span class=cF0>)(</span><span class=cF9>U32</span><span class=cF0> *) = </span><span class=cFE>0</span><span class=cF0>;
<a name="l27"></a>}
<a name="l28"></a>
<a name="l29"></a></span><span class=cF1>interrupt</span><span class=cF0> </span><span class=cF1>U0</span><span class=cF0> IntMy43()
<a name="l30"></a>{
<a name="l31"></a> </span><span class=cF1>lock</span><span class=cF0> </span><span class=cF7>{</span><span class=cFB>progress4</span><span class=cF0>++;</span><span class=cF7>}</span><span class=cF0>
<a name="l32"></a> *(</span><span class=cFB>dev</span><span class=cF0>.uncached_alias + </span><span class=cF3>LAPIC_EOI</span><span class=cF0>)(</span><span class=cF9>U32</span><span class=cF0> *) = </span><span class=cFE>0</span><span class=cF0>;
<a name="l33"></a>}
<a name="l34"></a>
<a name="l35"></a></span><span class=cF9>I64</span><span class=cF0> vect[</span><span class=cFE>4</span><span class=cF0>] = {&amp;IntMy40, &amp;IntMy41, &amp;IntMy42, &amp;IntMy43};
<a name="l36"></a>
<a name="l37"></a></span><span class=cF1>U0</span><span class=cF0> Main()
<a name="l38"></a>{
<a name="l39"></a> </span><span class=cF9>I64</span><span class=cF0> i;
<a name="l40"></a> </span><span class=cF1>U8</span><span class=cF0> *da = </span><span class=cFB>dev</span><span class=cF0>.uncached_alias + </span><span class=cF3>IOAPIC_REG</span><span class=cF0>;
<a name="l41"></a> </span><span class=cF9>U32</span><span class=cF0> *_d = </span><span class=cFB>dev</span><span class=cF0>.uncached_alias + </span><span class=cF3>IOAPIC_DATA</span><span class=cF0>;
<a name="l42"></a>
<a name="l43"></a> </span><span class=cF5>ProgressBarsReset</span><span class=cF0>;
<a name="l44"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cF3>I_USER</span><span class=cF0>; i &lt; </span><span class=cF3>I_USER</span><span class=cF0> + </span><span class=cFE>4</span><span class=cF0>; i++)
<a name="l45"></a> </span><span class=cF5>IntEntrySet</span><span class=cF0>(i, vect[i&amp;</span><span class=cFE>3</span><span class=cF0>], </span><span class=cF3>IDTET_IRQ</span><span class=cF0>);
<a name="l46"></a>
<a name="l47"></a> </span><span class=cF2>//There are like 4*6 vects. Bus zero</span><span class=cF0>
<a name="l48"></a> </span><span class=cF2>//has the first four vects.</span><span class=cF0>
<a name="l49"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cF3>IOREDTAB</span><span class=cF0>; i &lt; </span><span class=cF3>IOREDTAB</span><span class=cF0> + </span><span class=cFE>4</span><span class=cF0> * </span><span class=cFE>2</span><span class=cF0>; i += </span><span class=cFE>2</span><span class=cF0>)
<a name="l50"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l51"></a> *da = i + </span><span class=cFE>1</span><span class=cF0>;
<a name="l52"></a> *_d = </span><span class=cFB>dev</span><span class=cF0>.mp_apic_ids[DEST_CPU] &lt;&lt; </span><span class=cFE>24</span><span class=cF0>;
<a name="l53"></a> *da = i;
<a name="l54"></a> *_d = </span><span class=cFE>0x4000</span><span class=cF0> + </span><span class=cFE>0x40</span><span class=cF0> + (i - </span><span class=cF3>IOREDTAB</span><span class=cF0>) / </span><span class=cFE>2</span><span class=cF0>;
<a name="l55"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l56"></a>
<a name="l57"></a> </span><span class=cF5>Sleep</span><span class=cF0>(</span><span class=cFE>1000</span><span class=cF0>);
<a name="l58"></a> </span><span class=cF6>&quot;The keyboard and timer seem to be active.\n&quot;</span><span class=cF0>
<a name="l59"></a> </span><span class=cF6>&quot;IntA:%d IntB:%d IntC:%d IntD:%d\n\n&quot;</span><span class=cF0>
<a name="l60"></a> </span><span class=cF6>&quot;IntB is Terry's keyboard and regs a single KEY-UP.\n&quot;</span><span class=cF0>
<a name="l61"></a> </span><span class=cF6>&quot;Rerun and press a few keys.\n&quot;</span><span class=cF0>, </span><span class=cFB>progress1</span><span class=cF0>, </span><span class=cFB>progress2</span><span class=cF0>, </span><span class=cFB>progress3</span><span class=cF0>, </span><span class=cFB>progress4</span><span class=cF0>;
<a name="l62"></a>
<a name="l63"></a> </span><span class=cF2>//Disable vects</span><span class=cF0>
<a name="l64"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cF3>IOREDTAB</span><span class=cF0>; i &lt; </span><span class=cF3>IOREDTAB</span><span class=cF0> + </span><span class=cFE>4</span><span class=cF0> * </span><span class=cFE>2</span><span class=cF0>; i += </span><span class=cFE>2</span><span class=cF0>)
<a name="l65"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l66"></a> *da = i + </span><span class=cFE>1</span><span class=cF0>;
<a name="l67"></a> *_d = </span><span class=cFB>dev</span><span class=cF0>.mp_apic_ids[DEST_CPU] &lt;&lt; </span><span class=cFE>24</span><span class=cF0>;
<a name="l68"></a> *da = i;
<a name="l69"></a> *_d = </span><span class=cFE>0x14000</span><span class=cF0> + </span><span class=cFE>0x40</span><span class=cF0> + (i - </span><span class=cF3>IOREDTAB</span><span class=cF0>) / </span><span class=cFE>2</span><span class=cF0>;
<a name="l70"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l71"></a> </span><span class=cF5>ProgressBarsReset</span><span class=cF0>;
<a name="l72"></a>}
<a name="l73"></a>
<a name="l74"></a>Main;
</span></pre></body>
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