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/System/Boot/BootHD.CC.html
TomAwezome 1b75d91002 Fix Mount AHCI Port selection. 
Add arg to SATARep to specify drive types to show.
Add checks in AHCIPortInit to verify port signatures, add helper method to get signatures from port.
2021-08-02 16:40:05 -04:00

120 lines
15 KiB
HTML
Executable file
Raw Blame History

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=US-ASCII">
<meta name="generator" content="ZealOS V0.13">
<style type="text/css">
body {background-color:#fef1f0;}
.cF0{color:#000000;background-color:#fef1f0;}
.cF1{color:#0148a4;background-color:#fef1f0;}
.cF2{color:#3b7901;background-color:#fef1f0;}
.cF3{color:#057c7e;background-color:#fef1f0;}
.cF4{color:#bb2020;background-color:#fef1f0;}
.cF5{color:#9e42ae;background-color:#fef1f0;}
.cF6{color:#b57901;background-color:#fef1f0;}
.cF7{color:#b2b6af;background-color:#fef1f0;}
.cF8{color:#555753;background-color:#fef1f0;}
.cF9{color:#678fbb;background-color:#fef1f0;}
.cFA{color:#82bc49;background-color:#fef1f0;}
.cFB{color:#0097a2;background-color:#fef1f0;}
.cFC{color:#e26a6a;background-color:#fef1f0;}
.cFD{color:#c671bc;background-color:#fef1f0;}
.cFE{color:#c7ab00;background-color:#fef1f0;}
.cFF{color:#fef1f0;background-color:#fef1f0;}
</style>
</head>
<body>
<pre style="font-family:monospace;font-size:12pt">
<a name="l1"></a><span class=cF0>#</span><span class=cF1>define</span><span class=cF0> </span><span class=cF3>MODULE_SIZE</span><span class=cF0> </span><span class=cFE>1</span><span class=cF0> * </span><span class=cF3>BLK_SIZE</span><span class=cF0>
<a name="l2"></a>#</span><span class=cF1>define</span><span class=cF0> </span><span class=cF3>BOOT_HIGH_LOC_HD</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF3>BOOT_RAM_LIMIT</span><span class=cF0> - (</span><span class=cF3>BOOT_STACK_SIZE</span><span class=cF0> + </span><span class=cF3>MODULE_SIZE</span><span class=cF0>)</span><span class=cF7>)</span><span class=cF0> &gt;&gt; </span><span class=cFE>4</span><span class=cF0>)
<a name="l3"></a>
<a name="l4"></a></span><span class=cF5>DefinePrint</span><span class=cF0>(</span><span class=cF6>&quot;DD_BOOT_HIGH_LOC_HD&quot;</span><span class=cF0>, </span><span class=cF6>&quot;%08X&quot;</span><span class=cF0>, </span><span class=cF3>BOOT_HIGH_LOC_HD</span><span class=cF0> &lt;&lt; </span><span class=cFE>4</span><span class=cF0>);
<a name="l5"></a>
<a name="l6"></a></span><span class=cF1>asm</span><span class=cF0> {
<a name="l7"></a></span><span class=cF1>USE16</span><span class=cF0>
<a name="l8"></a></span><span class=cFD>BHD_CODE</span><span class=cF0>::
<a name="l9"></a>
<a name="l10"></a>#</span><span class=cF1>define</span><span class=cF0> </span><span class=cF3>BHD_START</span><span class=cF0> (</span><span class=cFD>BHD_CODE</span><span class=cF0> - </span><span class=cF1>offset</span><span class=cF7>(</span><span class=cF9>CFAT32Boot</span><span class=cF0>.code</span><span class=cF7>)</span><span class=cF0>)
<a name="l11"></a>
<a name="l12"></a> </span><span class=cF1>CLD</span><span class=cF0>
<a name="l13"></a>
<a name="l14"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>AX</span><span class=cF0>, </span><span class=cF3>BOOT_HIGH_LOC_HD</span><span class=cF0>
<a name="l15"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ES</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l16"></a>
<a name="l17"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l18"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>SS</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l19"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>SP</span><span class=cF0>, </span><span class=cF3>BOOT_STACK_SIZE</span><span class=cF0> + </span><span class=cF3>MODULE_SIZE</span><span class=cF0>
<a name="l20"></a> </span><span class=cF1>STI</span><span class=cF0>
<a name="l21"></a>
<a name="l22"></a> </span><span class=cF1>CALL</span><span class=cF0> BHD_GET_RIP
<a name="l23"></a>BHD_GET_RIP:
<a name="l24"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>BX</span><span class=cF0>
<a name="l25"></a> </span><span class=cF1>SUB</span><span class=cF0> </span><span class=cFC>BX</span><span class=cF0>, BHD_GET_RIP - </span><span class=cF3>BHD_START</span><span class=cF0>
<a name="l26"></a> </span><span class=cF1>SHR</span><span class=cF0> </span><span class=cFC>BX</span><span class=cF0>, </span><span class=cFE>4</span><span class=cF0>
<a name="l27"></a></span><span class=cF2>//This copies this bootloader's code to 0x00096C00</span><span class=cF0>
<a name="l28"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>AX</span><span class=cF0>, </span><span class=cFC>CS</span><span class=cF0>
<a name="l29"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>AX</span><span class=cF0>, </span><span class=cFC>BX</span><span class=cF0>
<a name="l30"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>DS</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l31"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>CX</span><span class=cF0>, </span><span class=cF3>MODULE_SIZE</span><span class=cF0>
<a name="l32"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>SI</span><span class=cF0>, </span><span class=cFC>SI</span><span class=cF0>
<a name="l33"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>DI</span><span class=cF0>, </span><span class=cFC>DI</span><span class=cF0>
<a name="l34"></a> </span><span class=cF1>REP_MOVSB</span><span class=cF0>
<a name="l35"></a>
<a name="l36"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>AX</span><span class=cF0>, </span><span class=cF3>BOOT_HIGH_LOC_HD</span><span class=cF0>
<a name="l37"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>DS</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l38"></a>
<a name="l39"></a></span><span class=cF2>//The assembler doesn't support 16-bit very well.</span><span class=cF0>
<a name="l40"></a> </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cFE>0xEA</span><span class=cF0>; </span><span class=cF2>//JMP BOOT_HIGH_LOC_HD:BHD_HISTART</span><span class=cF0>
<a name="l41"></a> </span><span class=cF1>DU16</span><span class=cF0> BHD_HISTART - </span><span class=cF3>BHD_START</span><span class=cF0>, </span><span class=cF3>BOOT_HIGH_LOC_HD</span><span class=cF0>;
<a name="l42"></a>
<a name="l43"></a>BHD_BIOS_DRIVE_NUM: </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l44"></a>
<a name="l45"></a></span><span class=cF2>//Gets patched by </span><a href="https://zeal-operating-system.github.io/ZealOS/System/Boot/BootHDIns.CC.html#l25"><span class=cF4>BootHDIns</span></a><span class=cF2>().</span><span class=cF0>
<a name="l46"></a></span><span class=cFD>BHD_BLK_COUNT</span><span class=cF0>:: </span><span class=cF1>DU16</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l47"></a>
<a name="l48"></a>BHD_DAP: </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cFE>16</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cFE>1</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>; </span><span class=cF2>//One blk at a time</span><span class=cF0>
<a name="l49"></a>BHD_DAP_BUF: </span><span class=cF1>DU16</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>;
<a name="l50"></a></span><span class=cF2>//Gets patched by </span><a href="https://zeal-operating-system.github.io/ZealOS/System/Boot/BootHDIns.CC.html#l25"><span class=cF4>BootHDIns</span></a><span class=cF2>().</span><span class=cF0>
<a name="l51"></a></span><span class=cFD>BHD_DAP_BLK</span><span class=cF0>:: </span><span class=cF2>//64-bit</span><span class=cF0>
<a name="l52"></a>BHD_DAP_BLK_LO: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l53"></a>BHD_DAP_BLK_HI: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l54"></a>
<a name="l55"></a>BHD_HISTART:
<a name="l56"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF1>U8</span><span class=cF0> [BHD_BIOS_DRIVE_NUM - </span><span class=cF3>BHD_START</span><span class=cF0>], </span><span class=cFC>DL</span><span class=cF0> </span><span class=cF2>//Passed in by BIOS</span><span class=cF0>
<a name="l57"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>AX</span><span class=cF0>, </span><span class=cF3>BOOT_RAM_BASE</span><span class=cF0> / </span><span class=cFE>16</span><span class=cF0>
<a name="l58"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ES</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l59"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>ECX</span><span class=cF0>, </span><span class=cFC>ECX</span><span class=cF0>
<a name="l60"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>CX</span><span class=cF0>, </span><span class=cF9>U16</span><span class=cF0> [</span><span class=cFD>BHD_BLK_COUNT</span><span class=cF0> - </span><span class=cF3>BHD_START</span><span class=cF0>]
<a name="l61"></a>
<a name="l62"></a>@@05: </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>CX</span><span class=cF0> </span><span class=cF2>//Blk count</span><span class=cF0>
<a name="l63"></a>
<a name="l64"></a></span><span class=cF2>//READ BLK</span><span class=cF0>
<a name="l65"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>ES</span><span class=cF0> </span><span class=cF2>//Buf seg</span><span class=cF0>
<a name="l66"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>AX</span><span class=cF0>, </span><span class=cFC>ES</span><span class=cF0>
<a name="l67"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U16</span><span class=cF0> [BHD_DAP_BUF + </span><span class=cFE>2</span><span class=cF0> - </span><span class=cF3>BHD_START</span><span class=cF0>], </span><span class=cFC>AX</span><span class=cF0> </span><span class=cF2>//ES:0000</span><span class=cF0>
<a name="l68"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>SI</span><span class=cF0>, BHD_DAP - </span><span class=cF3>BHD_START</span><span class=cF0> </span><span class=cF2>//DS:SI=DAP</span><span class=cF0>
<a name="l69"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>AH</span><span class=cF0>, </span><span class=cFE>0x42</span><span class=cF0>
<a name="l70"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>DL</span><span class=cF0>, </span><span class=cF1>U8</span><span class=cF0> [BHD_BIOS_DRIVE_NUM - </span><span class=cF3>BHD_START</span><span class=cF0>]
<a name="l71"></a> </span><span class=cF1>INT</span><span class=cF0> </span><span class=cFE>0x13</span><span class=cF0>
<a name="l72"></a>
<a name="l73"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>AX</span><span class=cF0> </span><span class=cF2>//ES</span><span class=cF0>
<a name="l74"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>AX</span><span class=cF0>, </span><span class=cF3>BLK_SIZE</span><span class=cF0> / </span><span class=cFE>16</span><span class=cF0>
<a name="l75"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ES</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l76"></a> </span><span class=cF1>INC</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [BHD_DAP_BLK_LO - </span><span class=cF3>BHD_START</span><span class=cF0>]
<a name="l77"></a> </span><span class=cF1>JNZ</span><span class=cF0> @@10
<a name="l78"></a> </span><span class=cF1>INC</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [BHD_DAP_BLK_HI - </span><span class=cF3>BHD_START</span><span class=cF0>]
<a name="l79"></a>
<a name="l80"></a>@@10: </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>CX</span><span class=cF0>
<a name="l81"></a> </span><span class=cF1>LOOP</span><span class=cF0> @@05
<a name="l82"></a>
<a name="l83"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>EBX</span><span class=cF0>, </span><span class=cFC>EBX</span><span class=cF0>
<a name="l84"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cF3>BOOT_SRC_HARDDRIVE</span><span class=cF0> </span><span class=cF2>//</span><span class=cF9><u>See sys_boot_src</span><span class=cF0>
<a name="l85"></a></u></span><span class=cF2>//The assembler doesn't support 16-bit very well.</span><span class=cF0>
<a name="l86"></a> </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cFE>0xEA</span><span class=cF0>; </span><span class=cF2>//JMP BOOT_RAM_BASE:0000</span><span class=cF0>
<a name="l87"></a> </span><span class=cF1>DU16</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>, </span><span class=cF3>BOOT_RAM_BASE</span><span class=cF0> / </span><span class=cFE>16</span><span class=cF0>;
<a name="l88"></a></span><span class=cF2>//Continues here </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KStart16.CC.html#l1"><span class=cF4>::/Kernel/KStart16.CC</span></a><span class=cF0>
<a name="l89"></a></span><span class=cFD>BHD_END</span><span class=cF0>::
<a name="l90"></a>#</span><span class=cF1>assert</span><span class=cF0> </span><span class=cFD>BHD_END</span><span class=cF0> - </span><span class=cF3>BHD_START</span><span class=cF0> &lt; </span><span class=cF3>MODULE_SIZE</span><span class=cF0> - </span><span class=cFE>2</span><span class=cF0>
<a name="l91"></a>}
</span></pre></body>
</html>
Reference in a new issue View git blame Copy permalink