tristan/ZealOS
1
0
Fork 0
mirror of https://github.com/Zeal-Operating-System/ZealOS.git synced 2024-12-28 08:16:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions
ZealOS/docs/Kernel/Memory/BlkPool.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

111 lines
10 KiB
HTML
Executable file
Raw Blame History

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=US-ASCII">
<meta name="generator" content="ZealOS V0.13">
<style type="text/css">
body {background-color:#fef1f0;}
.cF0{color:#000000;background-color:#fef1f0;}
.cF1{color:#0148a4;background-color:#fef1f0;}
.cF2{color:#3b7901;background-color:#fef1f0;}
.cF3{color:#057c7e;background-color:#fef1f0;}
.cF4{color:#bb2020;background-color:#fef1f0;}
.cF5{color:#9e42ae;background-color:#fef1f0;}
.cF6{color:#b57901;background-color:#fef1f0;}
.cF7{color:#b2b6af;background-color:#fef1f0;}
.cF8{color:#555753;background-color:#fef1f0;}
.cF9{color:#678fbb;background-color:#fef1f0;}
.cFA{color:#82bc49;background-color:#fef1f0;}
.cFB{color:#0097a2;background-color:#fef1f0;}
.cFC{color:#e26a6a;background-color:#fef1f0;}
.cFD{color:#c671bc;background-color:#fef1f0;}
.cFE{color:#c7ab00;background-color:#fef1f0;}
.cFF{color:#fef1f0;background-color:#fef1f0;}
</style>
</head>
<body>
<pre style="font-family:monospace;font-size:12pt">
<a name="l1"></a><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>BlkPoolAdd</span><span class=cF0>(</span><span class=cF9>CBlkPool</span><span class=cF0> *bp, </span><span class=cF9>CMemBlk</span><span class=cF0> *m, </span><span class=cF9>I64</span><span class=cF0> pags)
<a name="l2"></a>{</span><span class=cF2>//Add mem to BlkPool.</span><span class=cF0>
<a name="l3"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFB>sys_mem_init_flag</span><span class=cF0>)
<a name="l4"></a> </span><span class=cF5>MemSet</span><span class=cF0>(m, </span><span class=cFB>sys_mem_init_val</span><span class=cF0>, pags * </span><span class=cF3>MEM_PAG_SIZE</span><span class=cF0>);
<a name="l5"></a>
<a name="l6"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l7"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l8"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;bp-&gt;locked_flags, </span><span class=cF3>BPlf_LOCKED</span><span class=cF7>)</span><span class=cF0>)
<a name="l9"></a> </span><span class=cF1>PAUSE</span><span class=cF0>
<a name="l10"></a> m-&gt;next = bp-&gt;mem_free_list;
<a name="l11"></a> m-&gt;pags = pags;
<a name="l12"></a> m-&gt;mb_signature = </span><span class=cF3>MBS_UNUSED_SIGNATURE_VAL</span><span class=cF0>;
<a name="l13"></a> bp-&gt;alloced_u8s += pags &lt;&lt; </span><span class=cF3>MEM_PAG_BITS</span><span class=cF0>;
<a name="l14"></a> bp-&gt;mem_free_list = m;
<a name="l15"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;bp-&gt;locked_flags, </span><span class=cF3>BPlf_LOCKED</span><span class=cF0>);
<a name="l16"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l17"></a>}
<a name="l18"></a>
<a name="l19"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>BlkPoolInit</span><span class=cF0>(</span><span class=cF9>CBlkPool</span><span class=cF0> *bp, </span><span class=cF9>I64</span><span class=cF0> pags)
<a name="l20"></a>{</span><span class=cF2>//Make mem chunk into a BlkPool.</span><span class=cF0>
<a name="l21"></a> </span><span class=cF9>I64</span><span class=cF0> num;
<a name="l22"></a> </span><span class=cF9>CMemBlk</span><span class=cF0> *m;
<a name="l23"></a>
<a name="l24"></a> </span><span class=cF5>MemSet</span><span class=cF0>(bp, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CBlkPool</span><span class=cF7>)</span><span class=cF0>);
<a name="l25"></a> m = (bp</span><span class=cF7>(</span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> + </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CBlkPool</span><span class=cF7>)</span><span class=cF0> + </span><span class=cF3>MEM_PAG_SIZE</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>) &amp; ~(</span><span class=cF3>MEM_PAG_SIZE</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>);
<a name="l26"></a> num = (bp</span><span class=cF7>(</span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> + pags &lt;&lt; </span><span class=cF3>MEM_PAG_BITS</span><span class=cF0> - m</span><span class=cF7>(</span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>) &gt;&gt; </span><span class=cF3>MEM_PAG_BITS</span><span class=cF0>;
<a name="l27"></a> bp-&gt;alloced_u8s = (pags-num) &lt;&lt; </span><span class=cF3>MEM_PAG_BITS</span><span class=cF0>; </span><span class=cF2>//Compensate before num added.</span><span class=cF0>
<a name="l28"></a> </span><span class=cF5>BlkPoolAdd</span><span class=cF0>(bp, m, num);
<a name="l29"></a>}
<a name="l30"></a>
<a name="l31"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>BlkPoolsInit</span><span class=cF0>()
<a name="l32"></a>{
<a name="l33"></a> </span><span class=cF9>I64</span><span class=cF0> i, total, lo, hi, code_heap_limit;
<a name="l34"></a> </span><span class=cF9>CMemE820</span><span class=cF0> *m20 = </span><span class=cFD>MEM_E820</span><span class=cF0>;
<a name="l35"></a> </span><span class=cF1>Bool</span><span class=cF0> first = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l36"></a>
<a name="l37"></a> total = </span><span class=cF5>MemBIOSTotal</span><span class=cF0>;
<a name="l38"></a>
<a name="l39"></a> </span><span class=cF1>if</span><span class=cF0> (total &lt;= </span><span class=cFE>0x80000000</span><span class=cF0>)
<a name="l40"></a> code_heap_limit = total;
<a name="l41"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (total &lt;= </span><span class=cFE>0x100000000</span><span class=cF0>)
<a name="l42"></a> code_heap_limit = total / </span><span class=cFE>4</span><span class=cF0>;
<a name="l43"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l44"></a> code_heap_limit = </span><span class=cFE>0x80000000</span><span class=cF0>;
<a name="l45"></a>
<a name="l46"></a> i = code_heap_limit - </span><span class=cF3>SYS_16MEG_AREA_LIMIT</span><span class=cF0>; </span><span class=cF2>//See </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/Memory/PageTables.CC.html#l195"><span class=cF4>RLf_16MEG_SYS_CODE_BP</span></a><span class=cF0>
<a name="l47"></a> </span><span class=cF5>BlkPoolAdd</span><span class=cF0>(</span><span class=cFB>sys_code_bp</span><span class=cF0>, </span><span class=cF3>SYS_16MEG_AREA_LIMIT</span><span class=cF0>, i &gt;&gt; </span><span class=cF3>MEM_PAG_BITS</span><span class=cF0>);
<a name="l48"></a> </span><span class=cFB>mem_heap_limit</span><span class=cF0> = i + </span><span class=cF3>SYS_16MEG_AREA_LIMIT</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>;
<a name="l49"></a>
<a name="l50"></a> </span><span class=cF1>if</span><span class=cF0> (code_heap_limit&lt;total)
<a name="l51"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l52"></a> </span><span class=cF1>while</span><span class=cF0> (m20-&gt;type)
<a name="l53"></a> {
<a name="l54"></a> </span><span class=cF1>if</span><span class=cF0> (m20-&gt;type == </span><span class=cF3>MEM_E820t_USABLE</span><span class=cF0>)
<a name="l55"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l56"></a> lo = m20-&gt;base;
<a name="l57"></a> hi = m20-&gt;base + m20-&gt;len;
<a name="l58"></a> </span><span class=cF1>if</span><span class=cF0> (lo&lt;code_heap_limit)
<a name="l59"></a> {
<a name="l60"></a> </span><span class=cF1>if</span><span class=cF0> (hi &gt; code_heap_limit)
<a name="l61"></a> lo = code_heap_limit;
<a name="l62"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l63"></a> hi = lo; </span><span class=cF2>//cancel</span><span class=cF0>
<a name="l64"></a> }
<a name="l65"></a> </span><span class=cF1>if</span><span class=cF0> (code_heap_limit &lt;= lo &lt; hi)
<a name="l66"></a> {
<a name="l67"></a> </span><span class=cF1>if</span><span class=cF0> (first)
<a name="l68"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l69"></a> </span><span class=cF5>BlkPoolInit</span><span class=cF0>(lo, </span><span class=cF7>(</span><span class=cF0>hi - lo</span><span class=cF7>)</span><span class=cF0> &gt;&gt; </span><span class=cF3>MEM_PAG_BITS</span><span class=cF0>);
<a name="l70"></a> </span><span class=cFB>sys_data_bp</span><span class=cF0> = lo;
<a name="l71"></a> </span><span class=cF5>Fs</span><span class=cF0>-&gt;data_heap = </span><span class=cF5>HeapCtrlInit</span><span class=cF0>(, </span><span class=cF5>Fs</span><span class=cF0>, </span><span class=cFB>sys_data_bp</span><span class=cF0>);
<a name="l72"></a> first = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l73"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l74"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l75"></a> </span><span class=cF5>BlkPoolAdd</span><span class=cF0>(</span><span class=cFB>sys_data_bp</span><span class=cF0>, lo, </span><span class=cF7>(</span><span class=cF0>hi - lo</span><span class=cF7>)</span><span class=cF0> &gt;&gt; </span><span class=cF3>MEM_PAG_BITS</span><span class=cF0>);
<a name="l76"></a> }
<a name="l77"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l78"></a> m20++;
<a name="l79"></a> }
<a name="l80"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l81"></a> </span><span class=cF5>LBts</span><span class=cF0>(&amp;</span><span class=cFB>sys_run_level</span><span class=cF0>, </span><span class=cF3>RLf_FULL_HEAPS</span><span class=cF0>);
<a name="l82"></a>}
</span></pre></body>
</html>
Reference in a new issue View git blame Copy permalink