tristan/ZealOS
1
0
Fork 0
mirror of https://github.com/Zeal-Operating-System/ZealOS.git synced 2024-12-31 17:56:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions
ZealOS/docs/Kernel/Memory/MAllocFree.CC.html
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

535 lines
85 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 V1.01">
<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>asm</span><span class=cF0> {
<a name="l2"></a></span><span class=cF2>//************************************</span><span class=cF0>
<a name="l3"></a></span><span class=cF2>//See </span><a href="https://zeal-operating-system.github.io/ZealOS/Doc/Credits.DD.html#l1"><span class=cF4>::/Doc/Credits.DD</span></a><span class=cF2>.</span><span class=cF0>
<a name="l4"></a></span><span class=cFD>_MALLOC</span><span class=cF0>::
<a name="l5"></a></span><span class=cF2>// Throws 'OutMem'</span><span class=cF0>
<a name="l6"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l7"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>, </span><span class=cFC>RSP</span><span class=cF0>
<a name="l8"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>
<a name="l9"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>
<a name="l10"></a>
<a name="l11"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cFC>RBX</span><span class=cF0>
<a name="l12"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_ARG2</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l13"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>, </span><span class=cFC>RDX</span><span class=cF0>
<a name="l14"></a> </span><span class=cF1>JNZ</span><span class=cF0> @@05
<a name="l15"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cFC>FS</span><span class=cF0>:</span><span class=cF9>CTask</span><span class=cF0>.addr[</span><span class=cFC>RBX</span><span class=cF0>]
<a name="l16"></a>@@05: </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CTask</span><span class=cF0>.task_signature[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cF3>TASK_SIGNATURE_VAL</span><span class=cF0>
<a name="l17"></a>
<a name="l18"></a>#</span><span class=cF1>assert</span><span class=cF0> </span><span class=cF9>CTask</span><span class=cF0>.task_signature == </span><span class=cF9>CHeapCtrl</span><span class=cF0>.hc_signature </span><span class=cF2>//location signature same</span><span class=cF0>
<a name="l19"></a>
<a name="l20"></a> </span><span class=cF1>JNE</span><span class=cF0> @@10
<a name="l21"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CTask</span><span class=cF0>.data_heap[</span><span class=cFC>RDX</span><span class=cF0>]
<a name="l22"></a>@@10: </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.hc_signature[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cF3>HEAP_CTRL_SIGNATURE_VAL</span><span class=cF0>
<a name="l23"></a> </span><span class=cF1>JE</span><span class=cF0> @@15
<a name="l24"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>
<a name="l25"></a> </span><span class=cF1>CALL</span><span class=cF0> &amp;</span><span class=cFD>SysBadMAlloc</span><span class=cF0>
<a name="l26"></a> </span><span class=cF1>JMP</span><span class=cF0> </span><span class=cF9>I32</span><span class=cF0> </span><span class=cFD>_SYS_HLT</span><span class=cF0>
<a name="l27"></a>
<a name="l28"></a>@@15: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_ARG1</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l29"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l30"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0> + </span><span class=cFE>7</span><span class=cF0> </span><span class=cF2>//round-up to I64</span><span class=cF0>
<a name="l31"></a> </span><span class=cF1>AND</span><span class=cF0> </span><span class=cFC>AL</span><span class=cF0>, </span><span class=cFE>0xF8</span><span class=cF0>
<a name="l32"></a>#</span><span class=cF1>assert</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0> &gt;= </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>CMemUnused</span><span class=cF0>)
<a name="l33"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>
<a name="l34"></a> </span><span class=cF1>JAE</span><span class=cF0> @@20
<a name="l35"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>
<a name="l36"></a>@@20:
<a name="l37"></a>
<a name="l38"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l39"></a>@@25: </span><span class=cF1>LOCK</span><span class=cF0>
<a name="l40"></a> </span><span class=cF1>BTS</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.locked_flags[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cF3>HClf_LOCKED</span><span class=cF0>
<a name="l41"></a> </span><span class=cF1>PAUSE</span><span class=cF0> </span><span class=cF2>//don't know if this instruction helps</span><span class=cF0>
<a name="l42"></a> </span><span class=cF1>JC</span><span class=cF0> @@25
<a name="l43"></a>
<a name="l44"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF3>MEM_HEAP_HASH_SIZE</span><span class=cF0>
<a name="l45"></a> </span><span class=cF1>JAE</span><span class=cF0> @@30
<a name="l46"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.heap_hash[</span><span class=cFC>RAX</span><span class=cF0> + </span><span class=cFC>RDX</span><span class=cF0>]
<a name="l47"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cFC>RSI</span><span class=cF0>
<a name="l48"></a> </span><span class=cF1>JZ</span><span class=cF0> @@35
<a name="l49"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RCX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.next[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l50"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.heap_hash[</span><span class=cFC>RAX</span><span class=cF0> + </span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cFC>RCX</span><span class=cF0>
<a name="l51"></a> </span><span class=cF1>JMP</span><span class=cF0> </span><span class=cF9>I32</span><span class=cF0> MALLOC_ALMOST_DONE
<a name="l52"></a>
<a name="l53"></a></span><span class=cF2>//Big allocation</span><span class=cF0>
<a name="l54"></a>@@30: </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>CMemBlk</span><span class=cF0>) + </span><span class=cF3>MEM_PAG_SIZE</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>
<a name="l55"></a> </span><span class=cF1>SHR</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF3>MEM_PAG_BITS</span><span class=cF0>
<a name="l56"></a>
<a name="l57"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0> </span><span class=cF2>//preserve HeapCtrl</span><span class=cF0>
<a name="l58"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>
<a name="l59"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l60"></a> </span><span class=cF1>CALL</span><span class=cF0> &amp;</span><span class=cFD>MemPagTaskAlloc</span><span class=cF0>
<a name="l61"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>
<a name="l62"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l63"></a> </span><span class=cF1>JZ</span><span class=cF0> @@45 </span><span class=cF2>//Out of memory</span><span class=cF0>
<a name="l64"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l65"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CMemBlk</span><span class=cF0>.pags[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l66"></a>
<a name="l67"></a> </span><span class=cF1>SHL</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF3>MEM_PAG_BITS</span><span class=cF0>
<a name="l68"></a> </span><span class=cF1>SUB</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>CMemBlk</span><span class=cF0>)
<a name="l69"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>CMemBlk</span><span class=cF0>)
<a name="l70"></a> </span><span class=cF1>JMP</span><span class=cF0> </span><span class=cF9>I32</span><span class=cF0> MALLOC_ALMOST_DONE
<a name="l71"></a>
<a name="l72"></a></span><span class=cF2>//Little allocation, chunk-off piece from free list chunks</span><span class=cF0>
<a name="l73"></a>@@35: </span><span class=cF1>LEA</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.malloc_free_list - </span><span class=cF9>CMemUnused</span><span class=cF0>.next[</span><span class=cFC>RDX</span><span class=cF0>]
<a name="l74"></a>
<a name="l75"></a>@@40: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cFC>RSI</span><span class=cF0>
<a name="l76"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.next[</span><span class=cFC>RBX</span><span class=cF0>]
<a name="l77"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cFC>RSI</span><span class=cF0>
<a name="l78"></a> </span><span class=cF1>JNZ</span><span class=cF0> </span><span class=cF9>I32</span><span class=cF0> @@60
<a name="l79"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0> </span><span class=cF2>//-**** save byte size</span><span class=cF0>
<a name="l80"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFE>16</span><span class=cF0> * </span><span class=cF3>MEM_PAG_SIZE</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>
<a name="l81"></a> </span><span class=cF1>SHR</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF3>MEM_PAG_BITS</span><span class=cF0>
<a name="l82"></a>
<a name="l83"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0> </span><span class=cF2>//preserve HeapCtrl</span><span class=cF0>
<a name="l84"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>
<a name="l85"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l86"></a> </span><span class=cF1>CALL</span><span class=cF0> &amp;</span><span class=cFD>MemPagTaskAlloc</span><span class=cF0>
<a name="l87"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>
<a name="l88"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l89"></a> </span><span class=cF1>JNZ</span><span class=cF0> @@50
<a name="l90"></a>
<a name="l91"></a></span><span class=cF2>//Out of memory</span><span class=cF0>
<a name="l92"></a>@@45: </span><span class=cF1>LOCK</span><span class=cF0>
<a name="l93"></a> </span><span class=cF1>BTR</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.locked_flags[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cF3>HClf_LOCKED</span><span class=cF0>
<a name="l94"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l95"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cF3>TRUE</span><span class=cF0>
<a name="l96"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF6>'OutMem'</span><span class=cF0>
<a name="l97"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l98"></a> </span><span class=cF1>CALL</span><span class=cF0> </span><span class=cF9>I32</span><span class=cF0> &amp;</span><span class=cF5>throw</span><span class=cF0>
<a name="l99"></a> </span><span class=cF1>JMP</span><span class=cF0> </span><span class=cF9>I32</span><span class=cF0> MALLOC_FINAL_EXIT </span><span class=cF2>//Never gets here, hopefully.</span><span class=cF0>
<a name="l100"></a>
<a name="l101"></a>@@50: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l102"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CMemBlk</span><span class=cF0>.pags[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l103"></a> </span><span class=cF1>SHL</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF3>MEM_PAG_BITS</span><span class=cF0>
<a name="l104"></a>
<a name="l105"></a></span><span class=cF2>//Can it be combined with last chunk? (Never Free these chunks.)</span><span class=cF0>
<a name="l106"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.last_mergable[</span><span class=cFC>RDX</span><span class=cF0>]
<a name="l107"></a> </span><span class=cF1>LEA</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> [</span><span class=cFC>RSI</span><span class=cF0> + </span><span class=cFC>RAX</span><span class=cF0>]
<a name="l108"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RBX</span><span class=cF0>
<a name="l109"></a> </span><span class=cF1>JNE</span><span class=cF0> @@55
<a name="l110"></a>
<a name="l111"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l112"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CMemBlk</span><span class=cF0>.pags[</span><span class=cFC>RDI</span><span class=cF0>]
<a name="l113"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CMemBlk</span><span class=cF0>.pags[</span><span class=cFC>RSI</span><span class=cF0>],</span><span class=cFC>EAX</span><span class=cF0>
<a name="l114"></a></span><span class=cF2>//QueueRemove</span><span class=cF0>
<a name="l115"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemBlk</span><span class=cF0>.next[</span><span class=cFC>RDI</span><span class=cF0>]
<a name="l116"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemBlk</span><span class=cF0>.last[</span><span class=cFC>RDI</span><span class=cF0>]
<a name="l117"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemBlk</span><span class=cF0>.last[</span><span class=cFC>RAX</span><span class=cF0>], </span><span class=cFC>RBX</span><span class=cF0>
<a name="l118"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemBlk</span><span class=cF0>.next[</span><span class=cFC>RBX</span><span class=cF0>], </span><span class=cFC>RAX</span><span class=cF0>
<a name="l119"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l120"></a>
<a name="l121"></a>@@55: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.last_mergable[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cFC>RSI</span><span class=cF0>
<a name="l122"></a> </span><span class=cF1>LEA</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>CMemBlk</span><span class=cF0>)[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l123"></a> </span><span class=cF1>SUB</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>CMemBlk</span><span class=cF0>)
<a name="l124"></a> </span><span class=cF1>LEA</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.malloc_free_list - </span><span class=cF9>CMemUnused</span><span class=cF0>.next[</span><span class=cFC>RDX</span><span class=cF0>]
<a name="l125"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.next[</span><span class=cFC>RBX</span><span class=cF0>]
<a name="l126"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.next[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RDI</span><span class=cF0>
<a name="l127"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.size[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RAX</span><span class=cF0>
<a name="l128"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.next[</span><span class=cFC>RBX</span><span class=cF0>], </span><span class=cFC>RSI</span><span class=cF0>
<a name="l129"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0> </span><span class=cF2>//+****</span><span class=cF0>
<a name="l130"></a> </span><span class=cF1>JMP</span><span class=cF0> @@70
<a name="l131"></a>@@60: </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.size[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RAX</span><span class=cF0>
<a name="l132"></a> </span><span class=cF1>JB</span><span class=cF0> </span><span class=cF9>I32</span><span class=cF0> @@40
<a name="l133"></a> </span><span class=cF1>JNE</span><span class=cF0> @@70
<a name="l134"></a>
<a name="l135"></a>@@65: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.next[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l136"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.next[</span><span class=cFC>RBX</span><span class=cF0>], </span><span class=cFC>RDI</span><span class=cF0>
<a name="l137"></a> </span><span class=cF1>JMP</span><span class=cF0> MALLOC_ALMOST_DONE
<a name="l138"></a>
<a name="l139"></a>@@70: </span><span class=cF1>SUB</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.size[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RAX</span><span class=cF0> </span><span class=cF2>//UPDATE FREE ENTRY</span><span class=cF0>
<a name="l140"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.size[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>CMemUnused</span><span class=cF0>)
<a name="l141"></a> </span><span class=cF1>JAE</span><span class=cF0> @@75 </span><span class=cF2>//take from top of block</span><span class=cF0>
<a name="l142"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.size[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RAX</span><span class=cF0> </span><span class=cF2>//doesn't fit, undo</span><span class=cF0>
<a name="l143"></a> </span><span class=cF1>JMP</span><span class=cF0> </span><span class=cF9>I32</span><span class=cF0> @@40
<a name="l144"></a>
<a name="l145"></a>@@75: </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.size[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l146"></a>
<a name="l147"></a>MALLOC_ALMOST_DONE:
<a name="l148"></a></span><span class=cF2>//RSI = res - CMemUsed.size</span><span class=cF0>
<a name="l149"></a></span><span class=cF2>//RAX = size + CMemUsed.size</span><span class=cF0>
<a name="l150"></a></span><span class=cF2>//RDX = HeapCtrl</span><span class=cF0>
<a name="l151"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.used_u8s[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cFC>RAX</span><span class=cF0>
<a name="l152"></a>
<a name="l153"></a>#</span><span class=cF1>if</span><span class=cF0> </span><span class=cF3>_CONFIG_HEAP_DEBUG</span><span class=cF0>
<a name="l154"></a></span><span class=cF2>//QueueInsert</span><span class=cF0>
<a name="l155"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.last_um[</span><span class=cFC>RDX</span><span class=cF0>]
<a name="l156"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.next[</span><span class=cFC>RDI</span><span class=cF0>], </span><span class=cFC>RSI</span><span class=cF0>
<a name="l157"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.last_um[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cFC>RSI</span><span class=cF0>
<a name="l158"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.last[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RDI</span><span class=cF0>
<a name="l159"></a> </span><span class=cF1>LEA</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.next_um - </span><span class=cF9>CMemUsed</span><span class=cF0>.next[</span><span class=cFC>RDX</span><span class=cF0>]
<a name="l160"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.next[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RDI</span><span class=cF0>
<a name="l161"></a>
<a name="l162"></a></span><span class=cF2>//Caller1/Caller2</span><span class=cF0>
<a name="l163"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>
<a name="l164"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> [</span><span class=cFD>MEM_HEAP_LIMIT</span><span class=cF0>]
<a name="l165"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_RIP</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l166"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDX</span><span class=cF0>
<a name="l167"></a> </span><span class=cF1>JB</span><span class=cF0> @@80
<a name="l168"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDI</span><span class=cF0>
<a name="l169"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.caller1[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RDI</span><span class=cF0>
<a name="l170"></a> </span><span class=cF1>JMP</span><span class=cF0> @@90
<a name="l171"></a>@@80: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.caller1[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RDI</span><span class=cF0>
<a name="l172"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_RBP</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l173"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDX</span><span class=cF0>
<a name="l174"></a> </span><span class=cF1>JB</span><span class=cF0> @@85
<a name="l175"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDI</span><span class=cF0>
<a name="l176"></a> </span><span class=cF1>JMP</span><span class=cF0> @@90
<a name="l177"></a>@@85: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_RIP</span><span class=cF0>[</span><span class=cFC>RDI</span><span class=cF0>]
<a name="l178"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDX</span><span class=cF0>
<a name="l179"></a> </span><span class=cF1>JB</span><span class=cF0> @@90
<a name="l180"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDI</span><span class=cF0>
<a name="l181"></a>@@90: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.caller2[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RDI</span><span class=cF0>
<a name="l182"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>
<a name="l183"></a>
<a name="l184"></a>#</span><span class=cF1>endif</span><span class=cF0>
<a name="l185"></a> </span><span class=cF1>LOCK</span><span class=cF0>
<a name="l186"></a> </span><span class=cF1>BTR</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.locked_flags[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cF3>HClf_LOCKED</span><span class=cF0>
<a name="l187"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l188"></a>
<a name="l189"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.size[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RAX</span><span class=cF0>
<a name="l190"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.hc[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RDX</span><span class=cF0>
<a name="l191"></a> </span><span class=cF1>LEA</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l192"></a>
<a name="l193"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cF1>U8</span><span class=cF0> [</span><span class=cFD>SYS_SEMAS</span><span class=cF0> + </span><span class=cF3>SEMA_HEAPLOG_ACTIVE</span><span class=cF0> * </span><span class=cF3>DEFAULT_CACHE_LINE_WIDTH</span><span class=cF0>], </span><span class=cFE>1</span><span class=cF0>
<a name="l194"></a> </span><span class=cF1>JZ</span><span class=cF0> @@105
<a name="l195"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l196"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l197"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> [</span><span class=cFD>SYS_EXTERN_TABLE</span><span class=cF0>]
<a name="l198"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>EXT_HEAPLOG_MALLOC</span><span class=cF0>*</span><span class=cFE>8</span><span class=cF0>[</span><span class=cFC>RAX</span><span class=cF0>]
<a name="l199"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l200"></a> </span><span class=cF1>JZ</span><span class=cF0> @@95
<a name="l201"></a> </span><span class=cF1>CALL</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l202"></a> </span><span class=cF1>JMP</span><span class=cF0> @@100
<a name="l203"></a>@@95: </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RSP</span><span class=cF0>, </span><span class=cFE>8</span><span class=cF0>
<a name="l204"></a>@@100: </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l205"></a>
<a name="l206"></a>@@105: </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cF1>U8</span><span class=cF0> [</span><span class=cFD>SYS_HEAP_INIT_FLAG</span><span class=cF0>], </span><span class=cFE>1</span><span class=cF0>
<a name="l207"></a> </span><span class=cF1>JZ</span><span class=cF0> MALLOC_FINAL_EXIT
<a name="l208"></a>
<a name="l209"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l210"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RCX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.size - </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>[</span><span class=cFC>RAX</span><span class=cF0>]
<a name="l211"></a> </span><span class=cF1>SUB</span><span class=cF0> </span><span class=cFC>RCX</span><span class=cF0>, </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>
<a name="l212"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l213"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>AL</span><span class=cF0>, </span><span class=cF1>U8</span><span class=cF0> [</span><span class=cFD>SYS_HEAP_INIT_VAL</span><span class=cF0>]
<a name="l214"></a> </span><span class=cF1>REP_STOSB</span><span class=cF0>
<a name="l215"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l216"></a>
<a name="l217"></a>MALLOC_FINAL_EXIT:
<a name="l218"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>
<a name="l219"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>
<a name="l220"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l221"></a> </span><span class=cF1>RET1</span><span class=cF0> </span><span class=cFE>16</span><span class=cF0>
<a name="l222"></a>
<a name="l223"></a></span><span class=cF2>//************************************</span><span class=cF0>
<a name="l224"></a></span><span class=cFD>_FREE</span><span class=cF0>::
<a name="l225"></a></span><span class=cF2>//Be aware of </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/Memory/MAllocFree.CC.html#l44"><span class=cF4>heap_hash</span></a><span class=cF2> in </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/Memory/MemPag.CC.html#l140"><span class=cF4>MemPagTaskAlloc</span></a><span class=cF2>().</span><span class=cF0>
<a name="l226"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l227"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>, </span><span class=cFC>RSP</span><span class=cF0>
<a name="l228"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>
<a name="l229"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>
<a name="l230"></a>
<a name="l231"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cF1>U8</span><span class=cF0> [</span><span class=cFD>SYS_SEMAS</span><span class=cF0> + </span><span class=cF3>SEMA_HEAPLOG_ACTIVE</span><span class=cF0> * </span><span class=cF3>DEFAULT_CACHE_LINE_WIDTH</span><span class=cF0>], </span><span class=cFE>1</span><span class=cF0>
<a name="l232"></a> </span><span class=cF1>JZ</span><span class=cF0> @@15
<a name="l233"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_ARG1</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l234"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cFC>RBX</span><span class=cF0>
<a name="l235"></a> </span><span class=cF1>JZ</span><span class=cF0> @@05
<a name="l236"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.size - </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>[</span><span class=cFC>RBX</span><span class=cF0>]
<a name="l237"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l238"></a> </span><span class=cF1>JGE</span><span class=cF0> @@05 </span><span class=cF2>//Aligned alloced chunks have neg size</span><span class=cF0>
<a name="l239"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l240"></a>@@05: </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>
<a name="l241"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> [</span><span class=cFD>SYS_EXTERN_TABLE</span><span class=cF0>]
<a name="l242"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>EXT_HEAPLOG_FREE</span><span class=cF0>*</span><span class=cFE>8</span><span class=cF0>[</span><span class=cFC>RAX</span><span class=cF0>]
<a name="l243"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l244"></a> </span><span class=cF1>JZ</span><span class=cF0> @@10
<a name="l245"></a> </span><span class=cF1>CALL</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l246"></a> </span><span class=cF1>JMP</span><span class=cF0> @@15
<a name="l247"></a>@@10: </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RSP</span><span class=cF0>, </span><span class=cFE>8</span><span class=cF0>
<a name="l248"></a>
<a name="l249"></a>@@15: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_ARG1</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l250"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cFC>RSI</span><span class=cF0>
<a name="l251"></a>
<a name="l252"></a>#</span><span class=cF1>if</span><span class=cF0> </span><span class=cF3>_CONFIG_HEAP_DEBUG</span><span class=cF0>
<a name="l253"></a> </span><span class=cF1>JZ</span><span class=cF0> </span><span class=cF9>I32</span><span class=cF0> FREE_DONE
<a name="l254"></a>#</span><span class=cF1>else</span><span class=cF0>
<a name="l255"></a> </span><span class=cF1>JZ</span><span class=cF0> FREE_DONE
<a name="l256"></a>#</span><span class=cF1>endif</span><span class=cF0>
<a name="l257"></a>
<a name="l258"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.size - </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l259"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l260"></a> </span><span class=cF1>JGE</span><span class=cF0> @@20 </span><span class=cF2>//Aligned alloced chunks have neg size.</span><span class=cF0>
<a name="l261"></a> </span><span class=cF2>//The neg size is offset to start of </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l3503"><span class=cF4>CMemUsed</span></a><span class=cF2> struct.</span><span class=cF0>
<a name="l262"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l263"></a>
<a name="l264"></a>@@20: </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l265"></a> </span><span class=cF1>SUB</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>
<a name="l266"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.hc[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l267"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.hc_signature[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cF3>HEAP_CTRL_SIGNATURE_VAL</span><span class=cF0>
<a name="l268"></a> </span><span class=cF1>JE</span><span class=cF0> @@25
<a name="l269"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>
<a name="l270"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>
<a name="l271"></a> </span><span class=cF1>CALL</span><span class=cF0> &amp;</span><span class=cFD>SysBadFree</span><span class=cF0>
<a name="l272"></a> </span><span class=cF1>JMP</span><span class=cF0> </span><span class=cF9>I32</span><span class=cF0> </span><span class=cFD>_SYS_HLT</span><span class=cF0>
<a name="l273"></a>
<a name="l274"></a>@@25: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.size[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l275"></a> </span><span class=cF1>SUB</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.used_u8s[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cFC>RAX</span><span class=cF0>
<a name="l276"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l277"></a>@@30: </span><span class=cF1>LOCK</span><span class=cF0>
<a name="l278"></a> </span><span class=cF1>BTS</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.locked_flags[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cF3>HClf_LOCKED</span><span class=cF0>
<a name="l279"></a> </span><span class=cF1>PAUSE</span><span class=cF0>
<a name="l280"></a> </span><span class=cF1>JC</span><span class=cF0> @@30
<a name="l281"></a>#</span><span class=cF1>if</span><span class=cF0> </span><span class=cF3>_CONFIG_HEAP_DEBUG</span><span class=cF0>
<a name="l282"></a></span><span class=cF2>//QueueRemove</span><span class=cF0>
<a name="l283"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.next[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l284"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.last[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l285"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.last[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cFC>RDI</span><span class=cF0>
<a name="l286"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.next[</span><span class=cFC>RDI</span><span class=cF0>], </span><span class=cFC>RDX</span><span class=cF0>
<a name="l287"></a>
<a name="l288"></a></span><span class=cF2>//Caller1/Caller2</span><span class=cF0>
<a name="l289"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> [</span><span class=cFD>MEM_HEAP_LIMIT</span><span class=cF0>]
<a name="l290"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_RIP</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l291"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDX</span><span class=cF0>
<a name="l292"></a> </span><span class=cF1>JB</span><span class=cF0> @@35
<a name="l293"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDI</span><span class=cF0>
<a name="l294"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.caller1[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RDI</span><span class=cF0>
<a name="l295"></a> </span><span class=cF1>JMP</span><span class=cF0> @@45
<a name="l296"></a>@@35: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.caller1[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RDI</span><span class=cF0>
<a name="l297"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_RBP</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l298"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDX</span><span class=cF0>
<a name="l299"></a> </span><span class=cF1>JB</span><span class=cF0> @@40
<a name="l300"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDI</span><span class=cF0>
<a name="l301"></a> </span><span class=cF1>JMP</span><span class=cF0> @@45
<a name="l302"></a>@@40: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_RIP</span><span class=cF0>[</span><span class=cFC>RDI</span><span class=cF0>]
<a name="l303"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDX</span><span class=cF0>
<a name="l304"></a> </span><span class=cF1>JB</span><span class=cF0> @@45
<a name="l305"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>, </span><span class=cFC>RDI</span><span class=cF0>
<a name="l306"></a>@@45: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.caller2[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RDI</span><span class=cF0>
<a name="l307"></a>
<a name="l308"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.hc[</span><span class=cFC>RSI</span><span class=cF0>]
<a name="l309"></a>#</span><span class=cF1>endif</span><span class=cF0>
<a name="l310"></a> </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF3>MEM_HEAP_HASH_SIZE</span><span class=cF0>
<a name="l311"></a> </span><span class=cF1>JAE</span><span class=cF0> @@50
<a name="l312"></a>
<a name="l313"></a>#</span><span class=cF1>assert</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.size == </span><span class=cF9>CMemUsed</span><span class=cF0>.size
<a name="l314"></a></span><span class=cF2>//</span><span class=cF0> </span><span class=cF2>MOV </span><span class=cF0> </span><span class=cF2>U64 CMemUnused.size[RSI], RAX</span><span class=cF0>
<a name="l315"></a>
<a name="l316"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.heap_hash[</span><span class=cFC>RAX</span><span class=cF0> + </span><span class=cFC>RDX</span><span class=cF0>]
<a name="l317"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUnused</span><span class=cF0>.next[</span><span class=cFC>RSI</span><span class=cF0>], </span><span class=cFC>RBX</span><span class=cF0>
<a name="l318"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.heap_hash[</span><span class=cFC>RAX</span><span class=cF0> + </span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cFC>RSI</span><span class=cF0>
<a name="l319"></a> </span><span class=cF1>JMP</span><span class=cF0> @@55
<a name="l320"></a>
<a name="l321"></a>@@50: </span><span class=cF1>SUB</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>, </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>CMemBlk</span><span class=cF0>)
<a name="l322"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>
<a name="l323"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>
<a name="l324"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>
<a name="l325"></a> </span><span class=cF1>CALL</span><span class=cF0> &amp;</span><span class=cFD>MemPagTaskFree</span><span class=cF0>
<a name="l326"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RDX</span><span class=cF0>
<a name="l327"></a>
<a name="l328"></a>@@55: </span><span class=cF1>LOCK</span><span class=cF0>
<a name="l329"></a> </span><span class=cF1>BTR</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0>.locked_flags[</span><span class=cFC>RDX</span><span class=cF0>], </span><span class=cF3>HClf_LOCKED</span><span class=cF0>
<a name="l330"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l331"></a>FREE_DONE:
<a name="l332"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RDI</span><span class=cF0>
<a name="l333"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RSI</span><span class=cF0>
<a name="l334"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l335"></a> </span><span class=cF1>RET1</span><span class=cF0> </span><span class=cFE>8</span><span class=cF0>
<a name="l336"></a>
<a name="l337"></a></span><span class=cF2>//************************************</span><span class=cF0>
<a name="l338"></a></span><span class=cFD>_MSIZE</span><span class=cF0>::
<a name="l339"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l340"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>, </span><span class=cFC>RSP</span><span class=cF0>
<a name="l341"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_ARG1</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l342"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l343"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cFC>RBX</span><span class=cF0>
<a name="l344"></a> </span><span class=cF1>JZ</span><span class=cF0> @@10
<a name="l345"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.size - </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>[</span><span class=cFC>RBX</span><span class=cF0>]
<a name="l346"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l347"></a> </span><span class=cF1>JGE</span><span class=cF0> @@05 </span><span class=cF2>//Aligned alloced chunks have neg size</span><span class=cF0>
<a name="l348"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l349"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.size - </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>[</span><span class=cFC>RBX</span><span class=cF0>]
<a name="l350"></a>@@05: </span><span class=cF1>SUB</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>
<a name="l351"></a>@@10: </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l352"></a> </span><span class=cF1>RET1</span><span class=cF0> </span><span class=cFE>8</span><span class=cF0>
<a name="l353"></a>
<a name="l354"></a></span><span class=cF2>//************************************</span><span class=cF0>
<a name="l355"></a></span><span class=cFD>_MSIZE2</span><span class=cF0>::
<a name="l356"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l357"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>, </span><span class=cFC>RSP</span><span class=cF0>
<a name="l358"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_ARG1</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l359"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l360"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cFC>RBX</span><span class=cF0>
<a name="l361"></a> </span><span class=cF1>JZ</span><span class=cF0> @@10
<a name="l362"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.size-</span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>[</span><span class=cFC>RBX</span><span class=cF0>]
<a name="l363"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l364"></a> </span><span class=cF1>JGE</span><span class=cF0> @@05 </span><span class=cF2>//Aligned alloced chunks have neg size</span><span class=cF0>
<a name="l365"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l366"></a>@@05: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.size - </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>[</span><span class=cFC>RBX</span><span class=cF0>]
<a name="l367"></a>@@10: </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l368"></a> </span><span class=cF1>RET1</span><span class=cF0> </span><span class=cFE>8</span><span class=cF0>
<a name="l369"></a>
<a name="l370"></a></span><span class=cF2>//************************************</span><span class=cF0>
<a name="l371"></a></span><span class=cFD>_MHEAP_CTRL</span><span class=cF0>::
<a name="l372"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l373"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>, </span><span class=cFC>RSP</span><span class=cF0>
<a name="l374"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_ARG1</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l375"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l376"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cFC>RBX</span><span class=cF0>
<a name="l377"></a> </span><span class=cF1>JZ</span><span class=cF0> @@10
<a name="l378"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.size-</span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>[</span><span class=cFC>RBX</span><span class=cF0>]
<a name="l379"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l380"></a> </span><span class=cF1>JGE</span><span class=cF0> @@05 </span><span class=cF2>//Aligned alloced chunks have neg size</span><span class=cF0>
<a name="l381"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>RBX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l382"></a>@@05: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF9>CMemUsed</span><span class=cF0>.hc - </span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>[</span><span class=cFC>RBX</span><span class=cF0>]
<a name="l383"></a>@@10: </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l384"></a> </span><span class=cF1>RET1</span><span class=cF0> </span><span class=cFE>8</span><span class=cF0>
<a name="l385"></a>}
<a name="l386"></a>
<a name="l387"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>_FREE</span><span class=cF0> </span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>Free</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *addr); </span><span class=cF2>//Free </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/Memory/MAllocFree.CC.html#l391"><span class=cF4>MAlloc</span></a><span class=cF2>()ed memory chunk.</span><span class=cF0>
<a name="l388"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>_MSIZE</span><span class=cF0> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>MSize</span><span class=cF0>( </span><span class=cF1>U8</span><span class=cF0> *src); </span><span class=cF2>//Size of heap object.</span><span class=cF0>
<a name="l389"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>_MSIZE2</span><span class=cF0> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>MSize2</span><span class=cF0>( </span><span class=cF1>U8</span><span class=cF0> *src); </span><span class=cF2>//Internal size of heap object.</span><span class=cF0>
<a name="l390"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>_MHEAP_CTRL</span><span class=cF0> </span><span class=cF9>CHeapCtrl</span><span class=cF0> *</span><span class=cF5>MHeapCtrl</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *src); </span><span class=cF2>//</span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l3567"><span class=cF4>CHeapCtrl</span></a><span class=cF2> of object.</span><span class=cF0>
<a name="l391"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>_MALLOC</span><span class=cF0> </span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>MAlloc</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> size, </span><span class=cF9>CTask</span><span class=cF0> *mem_task=</span><span class=cF3>NULL</span><span class=cF0>); </span><span class=cF2>//Alloc memory chunk.</span><span class=cF0>
<a name="l392"></a></span><span class=cF2>//Accepts a </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l3984"><span class=cF4>CTask</span></a><span class=cF2> or </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l3567"><span class=cF4>CHeapCtrl</span></a><span class=cF2>. NULL allocs off current task's heap.</span><span class=cF0>
<a name="l393"></a>
<a name="l394"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>SysMAlloc</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> size)
<a name="l395"></a>{</span><span class=cF2>//Alloc memory in System task's heap.</span><span class=cF0>
<a name="l396"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>MAlloc</span><span class=cF0>(size, </span><span class=cFB>sys_task</span><span class=cF0>);
<a name="l397"></a>}
<a name="l398"></a>
<a name="l399"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>CAlloc</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> size, </span><span class=cF9>CTask</span><span class=cF0> *mem_task=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l400"></a>{</span><span class=cF2>//Accepts a </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l3984"><span class=cF4>CTask</span></a><span class=cF2> or </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l3567"><span class=cF4>CHeapCtrl</span></a><span class=cF2>. NULL allocs off current task's heap.</span><span class=cF0>
<a name="l401"></a> </span><span class=cF1>U8</span><span class=cF0> *res = </span><span class=cF5>MAlloc</span><span class=cF0>(size, mem_task);
<a name="l402"></a>
<a name="l403"></a> </span><span class=cF5>MemSet</span><span class=cF0>(res, </span><span class=cFE>0</span><span class=cF0>, size);
<a name="l404"></a>
<a name="l405"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l406"></a>}
<a name="l407"></a>
<a name="l408"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>SysCAlloc</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> size)
<a name="l409"></a>{</span><span class=cF2>//Alloc and set to zero memory in System task's heap.</span><span class=cF0>
<a name="l410"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>CAlloc</span><span class=cF0>(size, </span><span class=cFB>sys_task</span><span class=cF0>);
<a name="l411"></a>}
<a name="l412"></a>
<a name="l413"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>MAllocIdent</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *src, </span><span class=cF9>CTask</span><span class=cF0> *mem_task=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l414"></a>{</span><span class=cF2>//Accepts a </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l3984"><span class=cF4>CTask</span></a><span class=cF2> or </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l3567"><span class=cF4>CHeapCtrl</span></a><span class=cF2>. NULL allocs off current task's heap.</span><span class=cF0>
<a name="l415"></a> </span><span class=cF1>U8</span><span class=cF0> *res;
<a name="l416"></a> </span><span class=cF9>I64</span><span class=cF0> size;
<a name="l417"></a>
<a name="l418"></a> </span><span class=cF1>if</span><span class=cF0> (!src)
<a name="l419"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l420"></a> size = </span><span class=cF5>MSize</span><span class=cF0>(src);
<a name="l421"></a> res = </span><span class=cF5>MAlloc</span><span class=cF0>(size, mem_task);
<a name="l422"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(res, src, size);
<a name="l423"></a>
<a name="l424"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l425"></a>}
<a name="l426"></a>
<a name="l427"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>SysMAllocIdent</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *src)
<a name="l428"></a>{</span><span class=cF2>//Alloc in System task's heap, ident copy of heap node.</span><span class=cF0>
<a name="l429"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>MAllocIdent</span><span class=cF0>(src, </span><span class=cFB>sys_task</span><span class=cF0>);
<a name="l430"></a>}
<a name="l431"></a>
<a name="l432"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>MAllocAligned</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> size, </span><span class=cF9>I64</span><span class=cF0> alignment, </span><span class=cF9>CTask</span><span class=cF0> *mem_task=</span><span class=cF3>NULL</span><span class=cF0>, </span><span class=cF9>I64</span><span class=cF0> misalignment=</span><span class=cFE>0</span><span class=cF0>)
<a name="l433"></a>{</span><span class=cF2>//Only powers of two alignment. This is awful.</span><span class=cF0>
<a name="l434"></a> </span><span class=cF9>I64</span><span class=cF0> mask = alignment - </span><span class=cFE>1</span><span class=cF0>;
<a name="l435"></a> </span><span class=cF1>U8</span><span class=cF0> *ptr = </span><span class=cF5>MAlloc</span><span class=cF0>(size + mask + </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF7>)</span><span class=cF0> + misalignment, mem_task),
<a name="l436"></a> *res = (ptr + </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF7>)</span><span class=cF0> + mask) &amp; ~mask + misalignment;
<a name="l437"></a>
<a name="l438"></a> res(</span><span class=cF9>I64</span><span class=cF0> *)[-</span><span class=cFE>1</span><span class=cF0>] = ptr - res;
<a name="l439"></a>#</span><span class=cF1>assert</span><span class=cF0> </span><span class=cF1>offset</span><span class=cF0>(</span><span class=cF9>CMemUsed</span><span class=cF0>.size) == </span><span class=cF1>offset</span><span class=cF0>(</span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>) - </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0>)
<a name="l440"></a>
<a name="l441"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l442"></a>}
<a name="l443"></a>
<a name="l444"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>CAllocAligned</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> size, </span><span class=cF9>I64</span><span class=cF0> alignment, </span><span class=cF9>CTask</span><span class=cF0> *mem_task=</span><span class=cF3>NULL</span><span class=cF0>, </span><span class=cF9>I64</span><span class=cF0> misalignment=</span><span class=cFE>0</span><span class=cF0>)
<a name="l445"></a>{</span><span class=cF2>//Only powers of two alignment. This is awful.</span><span class=cF0>
<a name="l446"></a> </span><span class=cF9>I64</span><span class=cF0> mask = alignment-</span><span class=cFE>1</span><span class=cF0>;
<a name="l447"></a> </span><span class=cF1>U8</span><span class=cF0> *ptr = </span><span class=cF5>MAlloc</span><span class=cF0>(size + mask + </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF7>)</span><span class=cF0> + misalignment, mem_task),
<a name="l448"></a> *res = (ptr + </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF7>)</span><span class=cF0> + mask) &amp; ~mask + misalignment;
<a name="l449"></a>
<a name="l450"></a> res(</span><span class=cF9>I64</span><span class=cF0> *)[-</span><span class=cFE>1</span><span class=cF0>] = ptr - res;
<a name="l451"></a>#</span><span class=cF1>assert</span><span class=cF0> </span><span class=cF1>offset</span><span class=cF0>(</span><span class=cF9>CMemUsed</span><span class=cF0>.size) == </span><span class=cF1>offset</span><span class=cF0>(</span><span class=cF9>CMemUsed</span><span class=cF0>.</span><span class=cF1>start</span><span class=cF0>) - </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0>)
<a name="l452"></a> </span><span class=cF5>MemSet</span><span class=cF0>(res, </span><span class=cFE>0</span><span class=cF0>, size);
<a name="l453"></a>
<a name="l454"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l455"></a>}
<a name="l456"></a>
<a name="l457"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>ReAlloc</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *ptr, </span><span class=cF9>U64</span><span class=cF0> new_size, </span><span class=cF9>CTask</span><span class=cF0> *mem_task=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l458"></a>{</span><span class=cF2>//Resize previously MAlloc'ed chunk. If new_size is zero then act as Free.</span><span class=cF0>
<a name="l459"></a></span><span class=cF2>//If pointer is NULL then act as MAlloc. if both are NULL/0 does nothing (Free(NULL))</span><span class=cF0>
<a name="l460"></a></span><span class=cF2>//Useless for changing chunk sizes smaller than 8 bytes because MAlloc allocs 8 bytes at a time.</span><span class=cF0>
<a name="l461"></a> </span><span class=cF1>U8</span><span class=cF0> *res;
<a name="l462"></a>
<a name="l463"></a> </span><span class=cF1>if</span><span class=cF0> (!new_size)
<a name="l464"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l465"></a> </span><span class=cF5>Free</span><span class=cF0>(ptr); </span><span class=cF2>//we can free NULL</span><span class=cF0>
<a name="l466"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l467"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l468"></a>
<a name="l469"></a> res = </span><span class=cF5>MAlloc</span><span class=cF0>(new_size, mem_task);
<a name="l470"></a> </span><span class=cF1>if</span><span class=cF0> (!ptr)
<a name="l471"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l472"></a>
<a name="l473"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(res, ptr, </span><span class=cF5>MinI64</span><span class=cF7>(</span><span class=cF5>MSize</span><span class=cF0>(ptr), new_size</span><span class=cF7>)</span><span class=cF0>);
<a name="l474"></a> </span><span class=cF5>Free</span><span class=cF0>(ptr);
<a name="l475"></a>
<a name="l476"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l477"></a>}
<a name="l478"></a>
<a name="l479"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>SysReAlloc</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *ptr, </span><span class=cF9>I64</span><span class=cF0> new_size)
<a name="l480"></a>{</span><span class=cF2>//Realloc in System task's heap.</span><span class=cF0>
<a name="l481"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>ReAlloc</span><span class=cF0>(ptr, new_size, </span><span class=cFB>sys_task</span><span class=cF0>);
<a name="l482"></a>}
<a name="l483"></a>
<a name="l484"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>StrNew</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *buf, </span><span class=cF9>CTask</span><span class=cF0> *mem_task=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l485"></a>{</span><span class=cF2>//Accepts a </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l3984"><span class=cF4>CTask</span></a><span class=cF2> or </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l3567"><span class=cF4>CHeapCtrl</span></a><span class=cF2>. NULL allocs off current task's heap.</span><span class=cF0>
<a name="l486"></a> </span><span class=cF1>U8</span><span class=cF0> *res;
<a name="l487"></a> </span><span class=cF9>I64</span><span class=cF0> size;
<a name="l488"></a>
<a name="l489"></a> </span><span class=cF1>if</span><span class=cF0> (buf)
<a name="l490"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l491"></a> size = </span><span class=cF5>StrLen</span><span class=cF0>(buf) + </span><span class=cFE>1</span><span class=cF0>;
<a name="l492"></a> res = </span><span class=cF5>MAlloc</span><span class=cF0>(size, mem_task);
<a name="l493"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(res, buf, size);
<a name="l494"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l495"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l496"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l497"></a> res = </span><span class=cF5>MAlloc</span><span class=cF0>(</span><span class=cFE>1</span><span class=cF0>, mem_task);
<a name="l498"></a> *res = </span><span class=cFE>0</span><span class=cF0>;
<a name="l499"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l500"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l501"></a>}
<a name="l502"></a>
<a name="l503"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>SysStrNew</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *buf)
<a name="l504"></a>{</span><span class=cF2>//Alloc copy of string in System task's heap.</span><span class=cF0>
<a name="l505"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>StrNew</span><span class=cF0>(buf, </span><span class=cFB>sys_task</span><span class=cF0>);
<a name="l506"></a>}
</span></pre></body>
</html>
Reference in a new issue View git blame Copy permalink