ZealOS/docs/Demo/MemDemo.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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<pre style="font-family:monospace;font-size:12pt">
<a name="l1"></a><span class=cF1>U0</span><span class=cF0> MemDemo()
<a name="l2"></a>{
<a name="l3"></a> </span><span class=cF9>I64</span><span class=cF0> i;
<a name="l4"></a></span><span class=cF6>&quot;$HL,1$$BLACK$</span><span class=cF0>
<a name="l5"></a></span><span class=cF6>#define MEM_PAG_BITS</span><span class=cF0> </span><span class=cF6>9</span><span class=cF0>
<a name="l6"></a></span><span class=cF6>#define MEM_PAG_SIZE</span><span class=cF0> </span><span class=cF6>(1 &lt;&lt; MEM_PAG_BITS)</span><span class=cF0>
<a name="l7"></a></span><span class=cF6>#define MEM_HEAP_HASH_SIZE</span><span class=cF0> </span><span class=cF6>1024</span><span class=cF0>
<a name="l8"></a></span><span class=cF6>#define MEM_FREE_PAG_HASH_SIZE</span><span class=cF0> </span><span class=cF6>0x100</span><span class=cF0>
<a name="l9"></a></span><span class=cF6>#define MEM_EXTRA_HASH2_PAGS</span><span class=cF0> </span><span class=cF6>2</span><span class=cF0>
<a name="l10"></a>
<a name="l11"></a></span><span class=cF6>public class CBlkPool</span><span class=cF0>
<a name="l12"></a></span><span class=cF6>{</span><span class=cF0>
<a name="l13"></a> </span><span class=cF6>CMemBlk *free_pag_hash[MEM_FREE_PAG_HASH_SIZE], *free_pag_hash2[64 - MEM_PAG_BITS];</span><span class=cF0>
<a name="l14"></a></span><span class=cF6>};</span><span class=cF0>
<a name="l15"></a>
<a name="l16"></a></span><span class=cF6>public class CHeapCtrl</span><span class=cF0>
<a name="l17"></a></span><span class=cF6>{</span><span class=cF0>
<a name="l18"></a> </span><span class=cF6>CBlkPool *bp;</span><span class=cF0>
<a name="l19"></a> </span><span class=cF6>CMemUnused *heap_hash[MEM_HEAP_HASH_SIZE / sizeof(U8 *)];</span><span class=cF0>
<a name="l20"></a></span><span class=cF6>};</span><span class=cF0>
<a name="l21"></a>
<a name="l22"></a></span><span class=cF6>public class CTask //The Fs segment reg points to current CTask.</span><span class=cF0>
<a name="l23"></a></span><span class=cF6>{</span><span class=cF0>
<a name="l24"></a> </span><span class=cF6>CHeapCtrl *code_heap, *data_heap;</span><span class=cF0>
<a name="l25"></a></span><span class=cF6>};</span><span class=cF0>
<a name="l26"></a></span><span class=cF6>$HL,0$$FG$</span><span class=cF0>
<a name="l27"></a>
<a name="l28"></a></span><span class=cF6>&quot;</span><span class=cF0>;
<a name="l29"></a>
<a name="l30"></a>
<a name="l31"></a> </span><span class=cF6>&quot;$PURPLE$Chunks in increments of 8 bytes, owned by the task.$FG$\n&quot;</span><span class=cF0>;
<a name="l32"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CMemUnused</span><span class=cF7>)</span><span class=cF0>; i &lt; </span><span class=cF3>MEM_HEAP_HASH_SIZE</span><span class=cF0>; i += </span><span class=cFE>8</span><span class=cF0>)
<a name="l33"></a> </span><span class=cF1>if</span><span class=cF0> (i == </span><span class=cFE>0x48</span><span class=cF0>)
<a name="l34"></a> </span><span class=cF6>&quot;...\n&quot;</span><span class=cF0>;
<a name="l35"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cFE>0x48</span><span class=cF0> &lt; i &lt; </span><span class=cFE>0x3C8</span><span class=cF7>)</span><span class=cF0>)
<a name="l36"></a> </span><span class=cF6>&quot;Fs-&gt;data_heap-&gt;heap_hash[%X/8]&quot;</span><span class=cF0>
<a name="l37"></a> </span><span class=cF6>&quot;$BLACK$ --&gt;$FG$[X]$BLACK$ --&gt;$FG$[X]$BLACK$ --&gt;$FG$\n&quot;</span><span class=cF0>,i;
<a name="l38"></a> </span><span class=cF6>&quot;\n\n&quot;</span><span class=cF0>;
<a name="l39"></a>
<a name="l40"></a> </span><span class=cF6>&quot;$PURPLE$Pages of 512 bytes, owned by the system.$FG$\n&quot;</span><span class=cF0>;
<a name="l41"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cF3>MEM_HEAP_HASH_SIZE</span><span class=cF0>; i &lt; </span><span class=cF3>MEM_FREE_PAG_HASH_SIZE</span><span class=cF0> * </span><span class=cF3>MEM_PAG_SIZE</span><span class=cF0>; i += </span><span class=cF3>MEM_PAG_SIZE</span><span class=cF0>)
<a name="l42"></a> </span><span class=cF1>if</span><span class=cF0> (i == </span><span class=cFE>0x1200</span><span class=cF0>)
<a name="l43"></a> </span><span class=cF6>&quot;...\n&quot;</span><span class=cF0>;
<a name="l44"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cFE>0x1200</span><span class=cF0> &lt; i &lt; </span><span class=cFE>0x1F200</span><span class=cF7>)</span><span class=cF0>)
<a name="l45"></a> </span><span class=cF6>&quot;Fs-&gt;data_heap-&gt;bp-&gt;free_pag_hash[%X/512]&quot;</span><span class=cF0>
<a name="l46"></a> </span><span class=cF6>&quot;$BLACK$ --&gt;$FG$[X]$BLACK$ --&gt;$FG$[X]$BLACK$ --&gt;$FG$\n&quot;</span><span class=cF0>,i;
<a name="l47"></a> </span><span class=cF6>&quot;\n\n&quot;</span><span class=cF0>;
<a name="l48"></a>
<a name="l49"></a> </span><span class=cF6>&quot;$PURPLE$Powers of two, owned by the system.$FG$\n&quot;</span><span class=cF0>;
<a name="l50"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cF5>Bsf</span><span class=cF7>(</span><span class=cF3>MEM_FREE_PAG_HASH_SIZE</span><span class=cF0> * </span><span class=cF3>MEM_PAG_SIZE</span><span class=cF7>)</span><span class=cF0>; i &lt; </span><span class=cFE>64</span><span class=cF0>; i++)
<a name="l51"></a> </span><span class=cF1>if</span><span class=cF0> (i == </span><span class=cFE>0x1A</span><span class=cF0>)
<a name="l52"></a> </span><span class=cF6>&quot;...\n&quot;</span><span class=cF0>;
<a name="l53"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cFE>0x1A</span><span class=cF0> &lt;= i &lt;= </span><span class=cFE>0x36</span><span class=cF7>)</span><span class=cF0>)
<a name="l54"></a> </span><span class=cF6>&quot;Fs-&gt;data_heap-&gt;bp-&gt;free_pag_hash2[%X] %016X&quot;</span><span class=cF0>
<a name="l55"></a> </span><span class=cF6>&quot;$BLACK$ --&gt;$FG$[X]$BLACK$ --&gt;$FG$[X]$BLACK$ --&gt;$FG$\n&quot;</span><span class=cF0>, i, </span><span class=cFE>1</span><span class=cF0> &lt;&lt; i + </span><span class=cF3>MEM_EXTRA_HASH2_PAGS</span><span class=cF0> * </span><span class=cF3>MEM_PAG_SIZE</span><span class=cF0>;
<a name="l56"></a> </span><span class=cF6>&quot;\n\n&quot;</span><span class=cF0>;
<a name="l57"></a>}
<a name="l58"></a>
<a name="l59"></a>MemDemo;
<a name="l60"></a>
<a name="l61"></a>
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