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TomAwezome 6b3fd2fecb Rename abs_addres to abs_address. 
Update documentation/comments to rename addr, fun, var, stmt, blk, desc, reg, seg, ptr, dup, clus, val, and bttn, to address, function, variable, statement, block, description, register, segment, pointer, duplicate, cluster, value, and button, respectively.
2021-10-06 21:35:32 -04:00

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<pre style="font-family:monospace;font-size:12pt">
<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 blocks 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 blocks 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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