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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=cF1>U0</span><span class=cF0> </span><span class=cF5>DiskCacheInit</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> size_in_U8s)
<a name="l2"></a>{
<a name="l3"></a> </span><span class=cF9>CCacheBlk</span><span class=cF0> *tmpc;
<a name="l4"></a> </span><span class=cF9>I64</span><span class=cF0> i, count;
<a name="l5"></a>
<a name="l6"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DISK_CACHE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l7"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l8"></a> </span><span class=cF5>Free</span><span class=cF0>(</span><span class=cFB>blkdev</span><span class=cF0>.cache_ctrl);
<a name="l9"></a> </span><span class=cF5>Free</span><span class=cF0>(</span><span class=cFB>blkdev</span><span class=cF0>.cache_base);
<a name="l10"></a> </span><span class=cF5>Free</span><span class=cF0>(</span><span class=cFB>blkdev</span><span class=cF0>.cache_hash_table);
<a name="l11"></a> </span><span class=cF1>if</span><span class=cF0> (size_in_U8s &lt; </span><span class=cFE>0x2000</span><span class=cF0>)
<a name="l12"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l13"></a> </span><span class=cFB>blkdev</span><span class=cF0>.cache_ctrl = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l14"></a> </span><span class=cFB>blkdev</span><span class=cF0>.cache_base = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l15"></a> </span><span class=cFB>blkdev</span><span class=cF0>.cache_hash_table = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l16"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l17"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l18"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l19"></a> </span><span class=cFB>blkdev</span><span class=cF0>.cache_ctrl = </span><span class=cF5>SysCAlloc</span><span class=cF0>(</span><span class=cF1>offset</span><span class=cF7>(</span><span class=cF9>CCacheBlk</span><span class=cF0>.body</span><span class=cF7>)</span><span class=cF0>);
<a name="l20"></a> </span><span class=cFB>blkdev</span><span class=cF0>.cache_base = </span><span class=cF5>SysMAlloc</span><span class=cF0>(size_in_U8s);
<a name="l21"></a> </span><span class=cF5>QueueInit</span><span class=cF0>(</span><span class=cFB>blkdev</span><span class=cF0>.cache_ctrl);
<a name="l22"></a>
<a name="l23"></a> count = </span><span class=cF5>MSize</span><span class=cF0>(</span><span class=cFB>blkdev</span><span class=cF0>.cache_base) / </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>CCacheBlk</span><span class=cF0>);
<a name="l24"></a> </span><span class=cFB>blkdev</span><span class=cF0>.cache_size = count * </span><span class=cF3>BLK_SIZE</span><span class=cF0>;
<a name="l25"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; count; i++)
<a name="l26"></a> {
<a name="l27"></a> tmpc = </span><span class=cFB>blkdev</span><span class=cF0>.cache_base+i;
<a name="l28"></a> </span><span class=cF5>QueueInsert</span><span class=cF0>(tmpc, </span><span class=cFB>blkdev</span><span class=cF0>.cache_ctrl-&gt;last_lru);
<a name="l29"></a> tmpc-&gt;next_hash = tmpc-&gt;last_hash = tmpc;
<a name="l30"></a> tmpc-&gt;drive = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l31"></a> tmpc-&gt;blk = </span><span class=cFE>0</span><span class=cF0>;
<a name="l32"></a> }
<a name="l33"></a>
<a name="l34"></a> </span><span class=cFB>blkdev</span><span class=cF0>.cache_hash_table = </span><span class=cF5>SysMAlloc</span><span class=cF0>(</span><span class=cF3>DISK_CACHE_HASH_SIZE</span><span class=cF0> * </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> * </span><span class=cFE>2</span><span class=cF0>);
<a name="l35"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; </span><span class=cF3>DISK_CACHE_HASH_SIZE</span><span class=cF0>; i++)
<a name="l36"></a> {
<a name="l37"></a> tmpc = </span><span class=cFB>blkdev</span><span class=cF0>.cache_hash_table(</span><span class=cF1>U8</span><span class=cF0> *) + i * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *) * </span><span class=cFE>2</span><span class=cF0> - </span><span class=cF1>offset</span><span class=cF0>(</span><span class=cF9>CCacheBlk</span><span class=cF0>.next_hash);
<a name="l38"></a> tmpc-&gt;next_hash = tmpc-&gt;last_hash = tmpc;
<a name="l39"></a> }
<a name="l40"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l41"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DISK_CACHE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l42"></a>}
<a name="l43"></a>
<a name="l44"></a></span><span class=cF9>I64</span><span class=cF0> </span><span class=cFD>DiskCacheHash</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> blk)
<a name="l45"></a>{
<a name="l46"></a> </span><span class=cF9>I64</span><span class=cF0> i = blk &amp; (</span><span class=cF3>DISK_CACHE_HASH_SIZE</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>);
<a name="l47"></a>
<a name="l48"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFB>blkdev</span><span class=cF0>.cache_hash_table(</span><span class=cF1>U8</span><span class=cF0> *) + i &lt;&lt; </span><span class=cFE>4</span><span class=cF0> - </span><span class=cF1>offset</span><span class=cF0>(</span><span class=cF9>CCacheBlk</span><span class=cF0>.next_hash);
<a name="l49"></a>}
<a name="l50"></a>
<a name="l51"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>DiskCacheQueueRemove</span><span class=cF0>(</span><span class=cF9>CCacheBlk</span><span class=cF0> *tmpc)
<a name="l52"></a>{
<a name="l53"></a> </span><span class=cF5>QueueRemove</span><span class=cF0>(tmpc);
<a name="l54"></a> tmpc-&gt;next_hash-&gt;last_hash = tmpc-&gt;last_hash;
<a name="l55"></a> tmpc-&gt;last_hash-&gt;next_hash = tmpc-&gt;next_hash;
<a name="l56"></a>}
<a name="l57"></a>
<a name="l58"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>DiskCacheQueueIns</span><span class=cF0>(</span><span class=cF9>CCacheBlk</span><span class=cF0> *tmpc)
<a name="l59"></a>{
<a name="l60"></a> </span><span class=cF9>CCacheBlk</span><span class=cF0> *tmp_n, *tmp_l;
<a name="l61"></a>
<a name="l62"></a> </span><span class=cF5>QueueInsert</span><span class=cF0>(tmpc, </span><span class=cFB>blkdev</span><span class=cF0>.cache_ctrl-&gt;last_lru);
<a name="l63"></a> tmp_l = </span><span class=cFD>DiskCacheHash</span><span class=cF0>(tmpc-&gt;blk);
<a name="l64"></a> tmp_n = tmp_l-&gt;next_hash;
<a name="l65"></a> tmpc-&gt;last_hash = tmp_l;
<a name="l66"></a> tmpc-&gt;next_hash = tmp_n;
<a name="l67"></a> tmp_l-&gt;next_hash = tmp_n-&gt;last_hash = tmpc;
<a name="l68"></a>}
<a name="l69"></a>
<a name="l70"></a></span><span class=cF9>CCacheBlk</span><span class=cF0> *</span><span class=cFD>DiskCacheFind</span><span class=cF0>(</span><span class=cF9>CDrive</span><span class=cF0> *drive, </span><span class=cF9>I64</span><span class=cF0> blk)
<a name="l71"></a>{
<a name="l72"></a> </span><span class=cF9>CCacheBlk</span><span class=cF0> *tmpc, *tmpc1 = </span><span class=cFD>DiskCacheHash</span><span class=cF0>(blk);
<a name="l73"></a>
<a name="l74"></a> tmpc = tmpc1-&gt;next_hash;
<a name="l75"></a> </span><span class=cF1>while</span><span class=cF0> (tmpc != tmpc1)
<a name="l76"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l77"></a> </span><span class=cF1>if</span><span class=cF0> (tmpc-&gt;drive == drive &amp;&amp; tmpc-&gt;blk == blk)
<a name="l78"></a> </span><span class=cF1>return</span><span class=cF0> tmpc;
<a name="l79"></a> tmpc = tmpc-&gt;next_hash;
<a name="l80"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l81"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l82"></a>}
<a name="l83"></a>
<a name="l84"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>DiskCacheAdd</span><span class=cF0>(</span><span class=cF9>CDrive</span><span class=cF0> *drive, </span><span class=cF1>U8</span><span class=cF0> *buf, </span><span class=cF9>I64</span><span class=cF0> blk, </span><span class=cF9>I64</span><span class=cF0> count)
<a name="l85"></a>{
<a name="l86"></a> </span><span class=cF9>CCacheBlk</span><span class=cF0> *tmpc;
<a name="l87"></a>
<a name="l88"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFB>blkdev</span><span class=cF0>.cache_base)
<a name="l89"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l90"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DISK_CACHE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l91"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l92"></a> </span><span class=cF1>while</span><span class=cF0> (count-- &gt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l93"></a> {
<a name="l94"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>tmpc = </span><span class=cFD>DiskCacheFind</span><span class=cF0>(drive, blk)</span><span class=cF7>)</span><span class=cF0>)
<a name="l95"></a> tmpc = </span><span class=cFB>blkdev</span><span class=cF0>.cache_ctrl-&gt;next_lru;
<a name="l96"></a> </span><span class=cFD>DiskCacheQueueRemove</span><span class=cF0>(tmpc);
<a name="l97"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(&amp;tmpc-&gt;body, buf, </span><span class=cF3>BLK_SIZE</span><span class=cF0>);
<a name="l98"></a> tmpc-&gt;drive = drive;
<a name="l99"></a> tmpc-&gt;blk = blk;
<a name="l100"></a> </span><span class=cFD>DiskCacheQueueIns</span><span class=cF0>(tmpc);
<a name="l101"></a> blk++;
<a name="l102"></a> buf += </span><span class=cF3>BLK_SIZE</span><span class=cF0>;
<a name="l103"></a> }
<a name="l104"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DISK_CACHE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l105"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l106"></a>}
<a name="l107"></a>
<a name="l108"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>DiskCacheInvalidate2</span><span class=cF0>(</span><span class=cF9>CDrive</span><span class=cF0> *drive)
<a name="l109"></a>{
<a name="l110"></a> </span><span class=cF9>CCacheBlk</span><span class=cF0> *tmpc, *tmpc1;
<a name="l111"></a>
<a name="l112"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFB>blkdev</span><span class=cF0>.cache_base)
<a name="l113"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l114"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DISK_CACHE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l115"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l116"></a> tmpc = </span><span class=cFB>blkdev</span><span class=cF0>.cache_ctrl-&gt;last_lru;
<a name="l117"></a> </span><span class=cF1>while</span><span class=cF0> (tmpc != </span><span class=cFB>blkdev</span><span class=cF0>.cache_ctrl)
<a name="l118"></a> {
<a name="l119"></a> tmpc1 = tmpc-&gt;last_lru;
<a name="l120"></a> </span><span class=cF1>if</span><span class=cF0> (tmpc-&gt;drive == drive)
<a name="l121"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l122"></a> </span><span class=cFD>DiskCacheQueueRemove</span><span class=cF0>(tmpc);
<a name="l123"></a> tmpc-&gt;drive = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l124"></a> tmpc-&gt;blk = </span><span class=cFE>0</span><span class=cF0>;
<a name="l125"></a> tmpc-&gt;next_hash = tmpc-&gt;last_hash = tmpc;
<a name="l126"></a> </span><span class=cF5>QueueInsert</span><span class=cF0>(tmpc, </span><span class=cFB>blkdev</span><span class=cF0>.cache_ctrl-&gt;last_lru);
<a name="l127"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l128"></a> tmpc = tmpc1;
<a name="l129"></a> }
<a name="l130"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DISK_CACHE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l131"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l132"></a>}
<a name="l133"></a>
<a name="l134"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>RCache</span><span class=cF0>(</span><span class=cF9>CDrive</span><span class=cF0> *drive, </span><span class=cF1>U8</span><span class=cF0> **_buf, </span><span class=cF9>I64</span><span class=cF0> *_blk, </span><span class=cF9>I64</span><span class=cF0> *_count)
<a name="l135"></a>{
<a name="l136"></a> </span><span class=cF9>CCacheBlk</span><span class=cF0> *tmpc;
<a name="l137"></a>
<a name="l138"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFB>blkdev</span><span class=cF0>.cache_base)
<a name="l139"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l140"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DISK_CACHE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l141"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l142"></a></span><span class=cF2>//fetch leading blks from cache</span><span class=cF0>
<a name="l143"></a> </span><span class=cF1>while</span><span class=cF0> (*_count &gt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l144"></a> {
<a name="l145"></a> </span><span class=cF1>if</span><span class=cF0> (tmpc = </span><span class=cFD>DiskCacheFind</span><span class=cF7>(</span><span class=cF0>drive, *_blk</span><span class=cF7>)</span><span class=cF0>)
<a name="l146"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l147"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(*_buf, &amp;tmpc-&gt;body, </span><span class=cF3>BLK_SIZE</span><span class=cF0>);
<a name="l148"></a> *_count -= </span><span class=cFE>1</span><span class=cF0>;
<a name="l149"></a> *_buf += </span><span class=cF3>BLK_SIZE</span><span class=cF0>;
<a name="l150"></a> *_blk += </span><span class=cFE>1</span><span class=cF0>;
<a name="l151"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l152"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l153"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l154"></a> }
<a name="l155"></a></span><span class=cF2>//fetch trailing blks from cache</span><span class=cF0>
<a name="l156"></a> </span><span class=cF1>while</span><span class=cF0> (*_count &gt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l157"></a> {
<a name="l158"></a> </span><span class=cF1>if</span><span class=cF0> (tmpc = </span><span class=cFD>DiskCacheFind</span><span class=cF7>(</span><span class=cF0>drive, *_blk + *_count - </span><span class=cFE>1</span><span class=cF7>)</span><span class=cF0>)
<a name="l159"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l160"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(*_buf + </span><span class=cF7>(</span><span class=cF0>*_count - </span><span class=cFE>1</span><span class=cF7>)</span><span class=cF0> &lt;&lt; </span><span class=cF3>BLK_SIZE_BITS</span><span class=cF0>, &amp;tmpc-&gt;body, </span><span class=cF3>BLK_SIZE</span><span class=cF0>);
<a name="l161"></a> *_count -= </span><span class=cFE>1</span><span class=cF0>;
<a name="l162"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l163"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l164"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l165"></a> }
<a name="l166"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DISK_CACHE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l167"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l168"></a>}
</span></pre></body>
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