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ZealOS/docs/Kernel/Display.CC.html
TomAwezome 2b03787cc8 Fix OSUpgrade not updating master boot record. 
Fix Mount2 AHCI Port value not being cleared on loop.
Change ordering of PersonalMenu links.
Increase Raw mode screen scroll from 1 line to 8 to improve bare-metal performance.
2021-08-06 01:07:27 -04:00

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<!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>RawPutChar</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> ch)
<a name="l2"></a>{</span><span class=cF2>/*For RAW output during boot and in debugger.</span><span class=cF0>
<a name="l3"></a>
<a name="l4"></a></span><span class=cF2>See </span><a href="https://zeal-operating-system.github.io/ZealOS/System/Gr/GrScreen.CC.html#l296"><span class=cF4>GrUpdateTextFG</span></a><span class=cF2> for</span><span class=cF0>
<a name="l5"></a></span><span class=cF2>the normal screen text output routine.</span><span class=cF0>
<a name="l6"></a>
<a name="l7"></a></span><span class=cF2>See also </span><a href="https://zeal-operating-system.github.io/ZealOS/System/Gr/GrScreen.CC.html#l415"><span class=cF4>GrUpdateScreen</span></a><span class=cF2>().</span><span class=cF0>
<a name="l8"></a></span><span class=cF2>*/</span><span class=cF0>
<a name="l9"></a> </span><span class=cF9>I64</span><span class=cF0> i, row, col, x, y, framebuffer_u64_size, framebuffer_u64_offset;
<a name="l10"></a> </span><span class=cF9>U32</span><span class=cF0> *framebuffer;
<a name="l11"></a> </span><span class=cF9>U64</span><span class=cF0> ch_bitmap, *framebuffer_u64;
<a name="l12"></a>
<a name="l13"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cFB>text</span><span class=cF0>.raw_flags &amp; </span><span class=cF3>RAWF_SHOW_DOLLAR</span><span class=cF7>)</span><span class=cF0>)
<a name="l14"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l15"></a> </span><span class=cF1>if</span><span class=cF0> (ch == </span><span class=cF6>'$'</span><span class=cF0>)
<a name="l16"></a> {
<a name="l17"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFB>text</span><span class=cF0>.raw_flags &amp; </span><span class=cF3>RAWF_IN_DOLLAR</span><span class=cF0>)
<a name="l18"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l19"></a> </span><span class=cFB>text</span><span class=cF0>.raw_flags &amp;= ~</span><span class=cF3>RAWF_IN_DOLLAR</span><span class=cF0>;
<a name="l20"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cFB>text</span><span class=cF0>.raw_flags &amp; </span><span class=cF3>RAWF_LAST_DOLLAR</span><span class=cF7>)</span><span class=cF0>)
<a name="l21"></a> {
<a name="l22"></a> </span><span class=cFB>text</span><span class=cF0>.raw_flags &amp;= ~</span><span class=cF3>RAWF_LAST_DOLLAR</span><span class=cF0>;
<a name="l23"></a> </span><span class=cF1>return</span><span class=cF0>;
<a name="l24"></a> }
<a name="l25"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l26"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l27"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l28"></a> </span><span class=cFB>text</span><span class=cF0>.raw_flags |= </span><span class=cF3>RAWF_IN_DOLLAR</span><span class=cF0> | </span><span class=cF3>RAWF_LAST_DOLLAR</span><span class=cF0>;
<a name="l29"></a> </span><span class=cF1>return</span><span class=cF0>;
<a name="l30"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l31"></a> }
<a name="l32"></a> </span><span class=cFB>text</span><span class=cF0>.raw_flags &amp;= ~</span><span class=cF3>RAWF_LAST_DOLLAR</span><span class=cF0>;
<a name="l33"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFB>text</span><span class=cF0>.raw_flags &amp; </span><span class=cF3>RAWF_IN_DOLLAR</span><span class=cF0>)
<a name="l34"></a> </span><span class=cF1>return</span><span class=cF0>;
<a name="l35"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l36"></a> </span><span class=cF1>if</span><span class=cF0> (ch == </span><span class=cF6>'\t'</span><span class=cF0>)
<a name="l37"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l38"></a> </span><span class=cF5>RawPutChar</span><span class=cF0>(</span><span class=cF3>CH_SPACE</span><span class=cF0>);
<a name="l39"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cFB>text</span><span class=cF0>.raw_col &amp; </span><span class=cFE>3</span><span class=cF0>)
<a name="l40"></a> </span><span class=cF5>RawPutChar</span><span class=cF0>(</span><span class=cF3>CH_SPACE</span><span class=cF0>);
<a name="l41"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l42"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (ch == </span><span class=cF3>CH_BACKSPACE</span><span class=cF0>)
<a name="l43"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l44"></a> </span><span class=cFB>text</span><span class=cF0>.raw_col--;
<a name="l45"></a> </span><span class=cF5>RawPutChar</span><span class=cF0>(</span><span class=cF3>CH_SPACE</span><span class=cF0>);
<a name="l46"></a> </span><span class=cFB>text</span><span class=cF0>.raw_col--;
<a name="l47"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l48"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (ch == </span><span class=cF6>'\n'</span><span class=cF0>)
<a name="l49"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l50"></a> </span><span class=cF5>RawPutChar</span><span class=cF0>(</span><span class=cF3>CH_SPACE</span><span class=cF0>);
<a name="l51"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cFB>text</span><span class=cF0>.raw_col % </span><span class=cFB>text</span><span class=cF0>.cols)
<a name="l52"></a> </span><span class=cF5>RawPutChar</span><span class=cF0>(</span><span class=cF3>CH_SPACE</span><span class=cF0>);
<a name="l53"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l54"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cFB>char_bmp_displayable</span><span class=cF0>, ch</span><span class=cF7>)</span><span class=cF0>)
<a name="l55"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l56"></a> row = </span><span class=cFB>text</span><span class=cF0>.raw_col / </span><span class=cFB>text</span><span class=cF0>.cols % </span><span class=cFB>text</span><span class=cF0>.rows;
<a name="l57"></a> col = </span><span class=cFB>text</span><span class=cF0>.raw_col % </span><span class=cFB>text</span><span class=cF0>.cols;
<a name="l58"></a>
<a name="l59"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFB>text</span><span class=cF0>.raw_flags &amp; </span><span class=cF3>RAWF_SCROLL</span><span class=cF0> &amp;&amp; </span><span class=cFB>text</span><span class=cF0>.raw_col &amp;&amp; !row &amp;&amp; !col)
<a name="l60"></a> {</span><span class=cF2>//Scroll screen down</span><span class=cF0>
<a name="l61"></a>
<a name="l62"></a></span><span class=cF2>//</span><span class=cF0> </span><span class=cF2>MemCopy(text.fb_alias,</span><span class=cF0>
<a name="l63"></a></span><span class=cF2>//</span><span class=cF0> </span><span class=cF2>text.fb_alias</span><span class=cF0> </span><span class=cF2>+ sys_vbe_mode.width * FONT_HEIGHT,</span><span class=cF0>
<a name="l64"></a></span><span class=cF2>//</span><span class=cF0> </span><span class=cF2>(text.screen_size</span><span class=cF0> </span><span class=cF2>- sys_vbe_mode.width * FONT_HEIGHT) * sizeof(U32));</span><span class=cF0>
<a name="l65"></a>
<a name="l66"></a> </span><span class=cF2>// MemCopy is slow, computing these and iterating U64's manually is far faster.</span><span class=cF0>
<a name="l67"></a> framebuffer_u64 = </span><span class=cFB>text</span><span class=cF0>.fb_alias;
<a name="l68"></a> framebuffer_u64_size = </span><span class=cFB>sys_vbe_mode</span><span class=cF0>.width * </span><span class=cFB>sys_vbe_mode</span><span class=cF0>.height / </span><span class=cFE>2</span><span class=cF0> - </span><span class=cFB>sys_vbe_mode</span><span class=cF0>.width * </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * </span><span class=cFE>8</span><span class=cF0> / </span><span class=cFE>2</span><span class=cF0>;
<a name="l69"></a> framebuffer_u64_offset = </span><span class=cFB>sys_vbe_mode</span><span class=cF0>.width / </span><span class=cFE>2</span><span class=cF0> * </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * </span><span class=cFE>8</span><span class=cF0>;
<a name="l70"></a>
<a name="l71"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; framebuffer_u64_size; i++)
<a name="l72"></a> framebuffer_u64[i] = framebuffer_u64[i + framebuffer_u64_offset];
<a name="l73"></a>
<a name="l74"></a> </span><span class=cF5>MemSetU32</span><span class=cF0>(</span><span class=cFB>text</span><span class=cF0>.fb_alias + </span><span class=cFB>text</span><span class=cF0>.screen_size - </span><span class=cFB>sys_vbe_mode</span><span class=cF0>.width * </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * </span><span class=cFE>8</span><span class=cF0>, </span><span class=cF3>BLACK32</span><span class=cF0>, </span><span class=cFB>sys_vbe_mode</span><span class=cF0>.width * </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * </span><span class=cFE>8</span><span class=cF0>);
<a name="l75"></a> </span><span class=cFB>text</span><span class=cF0>.raw_col -= </span><span class=cFB>text</span><span class=cF0>.cols * </span><span class=cFE>8</span><span class=cF0>;
<a name="l76"></a> row = </span><span class=cFB>text</span><span class=cF0>.rows - </span><span class=cFE>8</span><span class=cF0>;
<a name="l77"></a> }
<a name="l78"></a> x = col * </span><span class=cF3>FONT_WIDTH</span><span class=cF0>;
<a name="l79"></a> y = row * </span><span class=cF3>FONT_HEIGHT</span><span class=cF0>;
<a name="l80"></a> ch_bitmap = </span><span class=cFB>text</span><span class=cF0>.font[ch &amp; </span><span class=cFE>0xFF</span><span class=cF0>];
<a name="l81"></a> framebuffer = </span><span class=cFB>text</span><span class=cF0>.fb_alias + </span><span class=cFB>sys_vbe_mode</span><span class=cF0>.width * y + x;
<a name="l82"></a>
<a name="l83"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l84"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l85"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; </span><span class=cF3>FONT_WIDTH</span><span class=cF0> * </span><span class=cF3>FONT_HEIGHT</span><span class=cF0>; i++)
<a name="l86"></a> {
<a name="l87"></a> </span><span class=cF1>if</span><span class=cF0> (ch_bitmap &amp; </span><span class=cFE>1</span><span class=cF0>)
<a name="l88"></a> *framebuffer++ = </span><span class=cF3>WHITE32</span><span class=cF0>;
<a name="l89"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l90"></a> *framebuffer++ = </span><span class=cF3>BLACK32</span><span class=cF0>;
<a name="l91"></a> </span><span class=cF1>if</span><span class=cF0> (i &amp; </span><span class=cF7>(</span><span class=cF3>FONT_WIDTH</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF7>)</span><span class=cF0> == </span><span class=cF3>FONT_WIDTH</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>)
<a name="l92"></a> framebuffer += </span><span class=cFB>sys_vbe_mode</span><span class=cF0>.width - </span><span class=cF3>FONT_WIDTH</span><span class=cF0>;
<a name="l93"></a> ch_bitmap &gt;&gt;= </span><span class=cFE>1</span><span class=cF0>;
<a name="l94"></a> }
<a name="l95"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l96"></a> </span><span class=cFB>text</span><span class=cF0>.raw_col++;
<a name="l97"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l98"></a>}
<a name="l99"></a>
<a name="l100"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>LFBFlush</span><span class=cF0>()
<a name="l101"></a>{</span><span class=cF2>//Flush winmgr screen cache, so updates whole screen.</span><span class=cF0>
<a name="l102"></a> </span><span class=cF5>LBts</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FLUSH_VBE_IMAGE</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l103"></a>}
<a name="l104"></a>
<a name="l105"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>WinDerivedValsUpdate</span><span class=cF0>(</span><span class=cF9>CTask</span><span class=cF0> *task)
<a name="l106"></a>{</span><span class=cF2>//Those things calculated from other variables.</span><span class=cF0>
<a name="l107"></a> </span><span class=cF1>if</span><span class=cF0> (!task)
<a name="l108"></a> task = </span><span class=cF5>Fs</span><span class=cF0>;
<a name="l109"></a> </span><span class=cF2>//Assert: This is called with TASKf_TASK_LOCK set</span><span class=cF0>
<a name="l110"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l111"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l112"></a> task-&gt;win_width = task-&gt;win_right - task-&gt;win_left + </span><span class=cFE>1</span><span class=cF0>;
<a name="l113"></a> task-&gt;win_height = task-&gt;win_bottom - task-&gt;win_top + </span><span class=cFE>1</span><span class=cF0>;
<a name="l114"></a>
<a name="l115"></a> task-&gt;pix_left = </span><span class=cF3>FONT_WIDTH</span><span class=cF0> * task-&gt;win_left;
<a name="l116"></a> task-&gt;pix_right = </span><span class=cF3>FONT_WIDTH</span><span class=cF0> * (task-&gt;win_right + </span><span class=cFE>1</span><span class=cF0>) - </span><span class=cFE>1</span><span class=cF0>;
<a name="l117"></a>
<a name="l118"></a> task-&gt;pix_width = task-&gt;pix_right - task-&gt;pix_left + </span><span class=cFE>1</span><span class=cF0>;
<a name="l119"></a>
<a name="l120"></a> task-&gt;pix_top = </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * task-&gt;win_top;
<a name="l121"></a> task-&gt;pix_bottom = </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * (task-&gt;win_bottom + </span><span class=cFE>1</span><span class=cF0>) - </span><span class=cFE>1</span><span class=cF0>;
<a name="l122"></a>
<a name="l123"></a> task-&gt;pix_height = task-&gt;pix_bottom - task-&gt;pix_top + </span><span class=cFE>1</span><span class=cF0>;
<a name="l124"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l125"></a>}
<a name="l126"></a>
<a name="l127"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>WinInside</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y, </span><span class=cF9>CTask</span><span class=cF0> *task=</span><span class=cF3>NULL</span><span class=cF0>, </span><span class=cF9>I64</span><span class=cF0> border=</span><span class=cFE>0</span><span class=cF0>)
<a name="l128"></a>{</span><span class=cF2>//Is pixel (x,y) inside task's win? Border to FONT_WIDTH.</span><span class=cF0>
<a name="l129"></a> </span><span class=cF1>if</span><span class=cF0> (!task)
<a name="l130"></a> task = </span><span class=cF5>Fs</span><span class=cF0>;
<a name="l131"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>TaskValidate</span><span class=cF7>(</span><span class=cF0>task</span><span class=cF7>)</span><span class=cF0> &amp;&amp; </span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>&amp;task-&gt;display_flags, </span><span class=cF3>DISPLAYf_SHOW</span><span class=cF7>)</span><span class=cF0>)
<a name="l132"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l133"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>&amp;task-&gt;display_flags, </span><span class=cF3>DISPLAYf_NO_BORDER</span><span class=cF7>)</span><span class=cF0>)
<a name="l134"></a> border = </span><span class=cFE>0</span><span class=cF0>;
<a name="l135"></a> </span><span class=cF1>if</span><span class=cF0> (task-&gt;pix_left - border &lt;= x &lt;= task-&gt;pix_right + border &amp;&amp;
<a name="l136"></a> task-&gt;pix_top - border &lt;= y &lt;= task-&gt;pix_bottom + border)
<a name="l137"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l138"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l139"></a>
<a name="l140"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l141"></a>}
</span></pre></body>
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