ZealOS/docs/Doc/Hash.DD.html

<!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=cFA>/* Graphics Not Rendered in HTML */</span><span class=cF0>
<a name="l2"></a>
<a name="l3"></a>
<a name="l4"></a>
<a name="l5"></a>
<a name="l6"></a>
<a name="l7"></a>
<a name="l8"></a>
<a name="l9"></a>
<a name="l10"></a>
<a name="l11"></a>
<a name="l12"></a>
<a name="l13"></a>
<a name="l14"></a>
<a name="l15"></a>
<a name="l16"></a>
<a name="l17"></a>
<a name="l18"></a>
<a name="l19"></a>
<a name="l20"></a>
<a name="l21"></a>
<a name="l22"></a>
<a name="l23"></a>
<a name="l24"></a>
<a name="l25"></a>
<a name="l26"></a>
<a name="l27"></a>
<a name="l28"></a>There is a symbol (hash) table for each task.  When a sym is not found, the parent task's sym table is checked.  All tasks 
<a name="l29"></a>chain back to the </span><span class=cF2>System</span><span class=cF0> task.
<a name="l30"></a>
<a name="l31"></a>ZealOS sym tables are implemented with an array of linked-lists.    A num is generated from a string by </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KHashA.CC.html#l258"><span class=cF4>HashStr</span></a><span class=cF0>() to index 
<a name="l32"></a>into the array of linked-lists. Multiple strings can generate the same num, so linked-lists are built.  Newer entries 
<a name="l33"></a>overshadow older ones.
<a name="l34"></a>
<a name="l35"></a>There are various types of entries.  See </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l822"><span class=cF4>Hash Entry Types</span></a><span class=cF0>.
<a name="l36"></a>
<a name="l37"></a></span><span class=cF5>Symbol Look-up</span><span class=cF0> (Used many places including the </span><a href="https://zeal-operating-system.github.io/ZealOS/Compiler/Lex.CC.html#l596"><span class=cF4>JIT Compiler</span></a><span class=cF0> and </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KLoad.CC.html#l24"><span class=cF4>Loader</span></a><span class=cF0>.)
<a name="l38"></a>1) Symbol name is </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KHashA.CC.html#l4"><span class=cF4>hashed</span></a><span class=cF0> by adding and shifting the ASCII of all chars.
<a name="l39"></a>2) </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l783"><span class=cF4>hash table</span></a><span class=cF0>-&gt;body[] array is indexed.
<a name="l40"></a>3) Linked-list is traversed until match of text and type of entry.
<a name="l41"></a>4) If not found, </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l783"><span class=cF4>hash table</span></a><span class=cF0>-&gt;next table is searched.
<a name="l42"></a>
<a name="l43"></a>Duplicate entries are allowed -- they overshadow old entries.
<a name="l44"></a>
<a name="l45"></a></span><span class=cF5>Address-to-Symbol Look-up</span><span class=cF0> (Slow because not important. We could use trees.)
<a name="l46"></a>1) FunSeg Cache is </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/FunSeg.CC.html#l137"><span class=cF4>scanned</span></a><span class=cF0>.
<a name="l47"></a>2) Hash Tables are </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/FunSeg.CC.html#l64"><span class=cF4>scanned</span></a><span class=cF0>.
</span></pre></body>
</html>
Implement codebase HTML generation. 2021-07-03 05:07:57 +01:00			`<!DOCTYPE HTML>`
			`<html>`
			`<head>`
			`<meta http-equiv="Content-Type" content="text/html;charset=US-ASCII">`
Fix GrZoomInScreen. 2021-09-22 04:45:45 +01:00			`<meta name="generator" content="ZealOS V1.01">`
Implement codebase HTML generation. 2021-07-03 05:07:57 +01:00			`<style type="text/css">`
Clean up E1000 Driver. Remove some palettes. Add PaletteSetSlate. Change all gr_palette_std to gr32_palette_std. Change all CBGR48 to CBGR24. 2021-07-29 03:20:15 +01:00			`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;}`
Implement codebase HTML generation. 2021-07-03 05:07:57 +01:00			`</style>`
			`</head>`
			`<body>`
Fix HTML generation on files with duplicate names but different extensions. 2021-07-05 01:12:38 +01:00			`<pre style="font-family:monospace;font-size:12pt">`
Implement codebase HTML generation. 2021-07-03 05:07:57 +01:00			`<a name="l1"></a><span class=cFA>/* Graphics Not Rendered in HTML */</span><span class=cF0>`
			`<a name="l2"></a>`
			`<a name="l3"></a>`
			`<a name="l4"></a>`
			`<a name="l5"></a>`
			`<a name="l6"></a>`
			`<a name="l7"></a>`
			`<a name="l8"></a>`
			`<a name="l9"></a>`
			`<a name="l10"></a>`
			`<a name="l11"></a>`
			`<a name="l12"></a>`
			`<a name="l13"></a>`
			`<a name="l14"></a>`
			`<a name="l15"></a>`
			`<a name="l16"></a>`
			`<a name="l17"></a>`
			`<a name="l18"></a>`
			`<a name="l19"></a>`
			`<a name="l20"></a>`
			`<a name="l21"></a>`
			`<a name="l22"></a>`
			`<a name="l23"></a>`
			`<a name="l24"></a>`
			`<a name="l25"></a>`
			`<a name="l26"></a>`
			`<a name="l27"></a>`
Optimize HTML doc generation. Change repeated #include and PopUps during HTML generation into one slave task. 2021-07-12 08:26:39 +01:00			`<a name="l28"></a>There is a symbol (hash) table for each task. When a sym is not found, the parent task's sym table is checked. All tasks`
			`<a name="l29"></a>chain back to the </span><span class=cF2>System</span><span class=cF0> task.`
Implement codebase HTML generation. 2021-07-03 05:07:57 +01:00			`<a name="l30"></a>`
Add AHCI Debug methods. Fix HTML URL. Begin implementing AHCI ATAPI Sync, Close, Format, and Write methods. 2021-07-26 20:29:49 +01:00			`<a name="l31"></a>ZealOS sym tables are implemented with an array of linked-lists. A num is generated from a string by </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KHashA.CC.html#l258"><span class=cF4>HashStr</span></a><span class=cF0>() to index`
Optimize HTML doc generation. Change repeated #include and PopUps during HTML generation into one slave task. 2021-07-12 08:26:39 +01:00			`<a name="l32"></a>into the array of linked-lists. Multiple strings can generate the same num, so linked-lists are built. Newer entries`
			`<a name="l33"></a>overshadow older ones.`
Implement codebase HTML generation. 2021-07-03 05:07:57 +01:00			`<a name="l34"></a>`
Add AHCI Debug methods. Fix HTML URL. Begin implementing AHCI ATAPI Sync, Close, Format, and Write methods. 2021-07-26 20:29:49 +01:00			`<a name="l35"></a>There are various types of entries. See </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l822"><span class=cF4>Hash Entry Types</span></a><span class=cF0>.`
Implement codebase HTML generation. 2021-07-03 05:07:57 +01:00			`<a name="l36"></a>`
Add AHCI Debug methods. Fix HTML URL. Begin implementing AHCI ATAPI Sync, Close, Format, and Write methods. 2021-07-26 20:29:49 +01:00			`<a name="l37"></a></span><span class=cF5>Symbol Look-up</span><span class=cF0> (Used many places including the </span><a href="https://zeal-operating-system.github.io/ZealOS/Compiler/Lex.CC.html#l596"><span class=cF4>JIT Compiler</span></a><span class=cF0> and </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KLoad.CC.html#l24"><span class=cF4>Loader</span></a><span class=cF0>.)`
			`<a name="l38"></a>1) Symbol name is </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KHashA.CC.html#l4"><span class=cF4>hashed</span></a><span class=cF0> by adding and shifting the ASCII of all chars.`
			`<a name="l39"></a>2) </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l783"><span class=cF4>hash table</span></a><span class=cF0>->body[] array is indexed.`
Implement codebase HTML generation. 2021-07-03 05:07:57 +01:00			`<a name="l40"></a>3) Linked-list is traversed until match of text and type of entry.`
Add AHCI Debug methods. Fix HTML URL. Begin implementing AHCI ATAPI Sync, Close, Format, and Write methods. 2021-07-26 20:29:49 +01:00			`<a name="l41"></a>4) If not found, </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KernelA.HH.html#l783"><span class=cF4>hash table</span></a><span class=cF0>->next table is searched.`
Implement codebase HTML generation. 2021-07-03 05:07:57 +01:00			`<a name="l42"></a>`
			`<a name="l43"></a>Duplicate entries are allowed -- they overshadow old entries.`
			`<a name="l44"></a>`
			`<a name="l45"></a></span><span class=cF5>Address-to-Symbol Look-up</span><span class=cF0> (Slow because not important. We could use trees.)`
Add AHCI Debug methods. Fix HTML URL. Begin implementing AHCI ATAPI Sync, Close, Format, and Write methods. 2021-07-26 20:29:49 +01:00			`<a name="l46"></a>1) FunSeg Cache is </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/FunSeg.CC.html#l137"><span class=cF4>scanned</span></a><span class=cF0>.`
			`<a name="l47"></a>2) Hash Tables are </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/FunSeg.CC.html#l64"><span class=cF4>scanned</span></a><span class=cF0>.`
Implement codebase HTML generation. 2021-07-03 05:07:57 +01:00			`</span></pre></body>`
			`</html>`