diff options
author | Kartik Agaram <vc@akkartik.com> | 2020-12-27 10:57:44 -0800 |
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committer | Kartik Agaram <vc@akkartik.com> | 2020-12-27 10:57:44 -0800 |
commit | 490b26d0614f685990dcc9225c7826a34de77b48 (patch) | |
tree | 01c75dc226f4a19d4e4f50d0202425e21f96a0ab /html/baremetal | |
parent | 3a671402815fa13fff21a416ba63bf3245afb54c (diff) | |
download | mu-490b26d0614f685990dcc9225c7826a34de77b48.tar.gz |
7426
Diffstat (limited to 'html/baremetal')
-rw-r--r-- | html/baremetal/ex1.hex.html | 33 | ||||
-rw-r--r-- | html/baremetal/ex2.hex.html | 96 |
2 files changed, 113 insertions, 16 deletions
diff --git a/html/baremetal/ex1.hex.html b/html/baremetal/ex1.hex.html index bdfb696f..5fc1129c 100644 --- a/html/baremetal/ex1.hex.html +++ b/html/baremetal/ex1.hex.html @@ -53,22 +53,23 @@ if ('onhashchange' in window) { <pre id='vimCodeElement'> <span id="L1" class="LineNr"> 1 </span><span class="subxComment"># The simplest possible program: just an infinite loop.</span> <span id="L2" class="LineNr"> 2 </span><span class="subxComment"># All is well if your computer clears screen and hangs without restarting.</span> -<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># On an emulator the window may get bigger to accomodate the 1280x1024 graphics mode.</span> -<span id="L4" class="LineNr"> 4 </span><span class="subxComment">#</span> -<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># To convert to a disk image, first prepare a realistically sized disk image:</span> -<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># dd if=/dev/zero of=disk.img count=20160 # 512-byte sectors, so 10MB</span> -<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># Load the disk image:</span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># cat baremetal/boot.hex baremetal/ex1.hex |./bootstrap run apps/hex > a.bin</span> -<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># dd if=a.bin of=disk.img conv=notrunc</span> -<span id="L10" class="LineNr">10 </span><span class="subxComment"># To run:</span> -<span id="L11" class="LineNr">11 </span><span class="subxComment"># qemu-system-i386 disk.img</span> -<span id="L12" class="LineNr">12 </span><span class="subxComment"># Or:</span> -<span id="L13" class="LineNr">13 </span><span class="subxComment"># bochs -f apps/boot.bochsrc # boot.bochsrc loads disk.img</span> -<span id="L14" class="LineNr">14 </span> -<span id="L15" class="LineNr">15 </span><span class="subxComment"># address 0x8000</span> -<span id="L16" class="LineNr">16 </span>e9 fb ff ff ff <span class="subxComment"># jump to address 0x8000</span> -<span id="L17" class="LineNr">17 </span> -<span id="L18" class="LineNr">18 </span><span class="subxComment"># vim:ft=subx</span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># On an emulator the window may get bigger to accomodate the higher-resolution</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># graphics mode.</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxComment">#</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># To convert to a disk image, first prepare a realistically sized disk image:</span> +<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># dd if=/dev/zero of=disk.img count=20160 # 512-byte sectors, so 10MB</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># Load the disk image:</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># cat baremetal/boot.hex baremetal/ex1.hex |./bootstrap run apps/hex > a.bin</span> +<span id="L10" class="LineNr">10 </span><span class="subxComment"># dd if=a.bin of=disk.img conv=notrunc</span> +<span id="L11" class="LineNr">11 </span><span class="subxComment"># To run:</span> +<span id="L12" class="LineNr">12 </span><span class="subxComment"># qemu-system-i386 disk.img</span> +<span id="L13" class="LineNr">13 </span><span class="subxComment"># Or:</span> +<span id="L14" class="LineNr">14 </span><span class="subxComment"># bochs -f apps/boot.bochsrc # boot.bochsrc loads disk.img</span> +<span id="L15" class="LineNr">15 </span> +<span id="L16" class="LineNr">16 </span><span class="subxComment"># main: (address 0x8800)</span> +<span id="L17" class="LineNr">17 </span>e9 fb ff ff ff <span class="subxComment"># jump to address 0x8800</span> +<span id="L18" class="LineNr">18 </span> +<span id="L19" class="LineNr">19 </span><span class="subxComment"># vim:ft=subx</span> </pre> </body> </html> diff --git a/html/baremetal/ex2.hex.html b/html/baremetal/ex2.hex.html new file mode 100644 index 00000000..437dbb0d --- /dev/null +++ b/html/baremetal/ex2.hex.html @@ -0,0 +1,96 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - baremetal/ex2.hex</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.subxComment { color: #005faf; } +.LineNr { } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/master/baremetal/ex2.hex'>https://github.com/akkartik/mu/blob/master/baremetal/ex2.hex</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Test out the video mode by filling in the screen with pixels.</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># To run, first prepare a realistically sized disk image:</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># dd if=/dev/zero of=disk.img count=20160 # 512-byte sectors, so 10MB</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># Load the disk image:</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># cat baremetal/boot.hex baremetal/ex2.hex |./bootstrap run apps/hex > a.bin</span> +<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># dd if=a.bin of=disk.img conv=notrunc</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># To run:</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># qemu-system-i386 disk.img</span> +<span id="L10" class="LineNr">10 </span><span class="subxComment"># Or:</span> +<span id="L11" class="LineNr">11 </span><span class="subxComment"># bochs -f apps/boot.bochsrc # boot.bochsrc loads disk.img</span> +<span id="L12" class="LineNr">12 </span> +<span id="L13" class="LineNr">13 </span><span class="subxComment"># main: (address 0x8800)</span> +<span id="L14" class="LineNr">14 </span> +<span id="L15" class="LineNr">15 </span><span class="subxComment"># ecx <- LFB</span> +<span id="L16" class="LineNr">16 </span>8b <span class="subxComment"># copy *rm32 to r32</span> +<span id="L17" class="LineNr">17 </span> 0d <span class="subxComment"># 00/mod/indirect 001/r32/ecx 101/rm32/use-disp32</span> +<span id="L18" class="LineNr">18 </span> 68 7d 00 00 <span class="subxComment"># disp32</span> +<span id="L19" class="LineNr">19 </span> +<span id="L20" class="LineNr">20 </span><span class="subxComment"># eax <- LFB + 0xbffff (1024*768 - 1)</span> +<span id="L21" class="LineNr">21 </span>8d <span class="subxComment"># copy-address rm32 to r32</span> +<span id="L22" class="LineNr">22 </span> 81 <span class="subxComment"># 10/mod/*+disp32 000/r32/eax 001/rm32/ecx</span> +<span id="L23" class="LineNr">23 </span> ff ff 0b 00 <span class="subxComment"># disp32</span> +<span id="L24" class="LineNr">24 </span> +<span id="L25" class="LineNr">25 </span><span class="subxComment"># $loop:</span> +<span id="L26" class="LineNr">26 </span><span class="subxComment"># if (eax < ecx) break</span> +<span id="L27" class="LineNr">27 </span>39 <span class="subxComment"># compare rm32 with r32</span> +<span id="L28" class="LineNr">28 </span> c8 <span class="subxComment"># 11/mod/direct 001/r32/ecx 000/rm32/eax</span> +<span id="L29" class="LineNr">29 </span>7c 05 <span class="subxComment"># break if <</span> +<span id="L30" class="LineNr">30 </span><span class="subxComment"># *eax <- al</span> +<span id="L31" class="LineNr">31 </span>88 <span class="subxComment"># copy r8 to m8 at r32</span> +<span id="L32" class="LineNr">32 </span> 00 <span class="subxComment"># 00/mod/indirect 000/r8/AL 000/rm32/eax</span> +<span id="L33" class="LineNr">33 </span>48 <span class="subxComment"># decrement eax</span> +<span id="L34" class="LineNr">34 </span>eb f7 <span class="subxComment"># loop to -9 bytes</span> +<span id="L35" class="LineNr">35 </span> +<span id="L36" class="LineNr">36 </span><span class="subxComment"># $break:</span> +<span id="L37" class="LineNr">37 </span>e9 fb ff ff ff <span class="subxComment"># hang indefinitely</span> +<span id="L38" class="LineNr">38 </span> +<span id="L39" class="LineNr">39 </span><span class="subxComment"># vim:ft=subx</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |