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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

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<a name="l1"></a><span class=cF0>#</span><span class=cF1>define</span><span class=cF0> ZERO_BUF_SIZE </span><span class=cFE>2048</span><span class=cF0>
<a name="l2"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>BlkWriteZero</span><span class=cF0>(</span><span class=cF9>CDrive</span><span class=cF0> *drive, </span><span class=cF9>I64</span><span class=cF0> blk, </span><span class=cF9>I64</span><span class=cF0> count)
<a name="l3"></a>{</span><span class=cF2>//Fill blk count with zeros in Drive.</span><span class=cF0>
<a name="l4"></a> </span><span class=cF9>I64</span><span class=cF0> n;
<a name="l5"></a> </span><span class=cF1>U8</span><span class=cF0> *z = </span><span class=cF5>CAlloc</span><span class=cF0>(ZERO_BUF_SIZE &lt;&lt; </span><span class=cF3>BLK_SIZE_BITS</span><span class=cF0>);
<a name="l6"></a> </span><span class=cF1>Bool</span><span class=cF0> show_progress;
<a name="l7"></a>
<a name="l8"></a> </span><span class=cF1>if</span><span class=cF0> (count &gt; ZERO_BUF_SIZE &amp;&amp; drive-&gt;bd-&gt;type != </span><span class=cF3>BDT_RAM</span><span class=cF0>)
<a name="l9"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l10"></a> </span><span class=cFB>progress1</span><span class=cF0> = </span><span class=cFE>0</span><span class=cF0>;
<a name="l11"></a> </span><span class=cFB>progress1_max</span><span class=cF0> = count;
<a name="l12"></a> </span><span class=cF5>StrCopy</span><span class=cF0>(</span><span class=cFB>progress1_desc</span><span class=cF0>, </span><span class=cF6>&quot;Zeroing&quot;</span><span class=cF0>);
<a name="l13"></a> show_progress = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l14"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l15"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l16"></a> show_progress = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l17"></a> </span><span class=cF1>while</span><span class=cF0> (count &gt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l18"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l19"></a> n = count;
<a name="l20"></a> </span><span class=cF1>if</span><span class=cF0> (n &gt; ZERO_BUF_SIZE)
<a name="l21"></a> n = ZERO_BUF_SIZE;
<a name="l22"></a> </span><span class=cF5>BlkWrite</span><span class=cF0>(drive, z, blk, n);
<a name="l23"></a> blk += n;
<a name="l24"></a> count -= n;
<a name="l25"></a> </span><span class=cF1>if</span><span class=cF0> (show_progress)
<a name="l26"></a> </span><span class=cFB>progress1</span><span class=cF0> += n;
<a name="l27"></a> </span><span class=cF5>Yield</span><span class=cF0>; </span><span class=cF2>//Prevent locking</span><span class=cF0>
<a name="l28"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l29"></a> </span><span class=cF5>Free</span><span class=cF0>(z);
<a name="l30"></a> </span><span class=cF1>if</span><span class=cF0> (show_progress)
<a name="l31"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l32"></a> *</span><span class=cFB>progress1_desc</span><span class=cF0> = </span><span class=cFE>0</span><span class=cF0>;
<a name="l33"></a> </span><span class=cFB>progress1</span><span class=cF0> = </span><span class=cFB>progress1_max</span><span class=cF0> = </span><span class=cFE>0</span><span class=cF0>;
<a name="l34"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l35"></a>}
<a name="l36"></a>
<a name="l37"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>BlkRead</span><span class=cF0>(</span><span class=cF9>CDrive</span><span class=cF0> *drive, </span><span class=cF1>U8</span><span class=cF0> *buf, </span><span class=cF9>I64</span><span class=cF0> blk, </span><span class=cF9>I64</span><span class=cF0> count)
<a name="l38"></a>{</span><span class=cF2>//Read blk count from Drive to buf.</span><span class=cF0>
<a name="l39"></a> </span><span class=cF1>Bool</span><span class=cF0> res = </span><span class=cF3>TRUE</span><span class=cF0>, unlock;
<a name="l40"></a> </span><span class=cF9>CBlkDev</span><span class=cF0> *bd = drive-&gt;bd;
<a name="l41"></a>
<a name="l42"></a> </span><span class=cF1>if</span><span class=cF0> (count &lt;= </span><span class=cFE>0</span><span class=cF0>)
<a name="l43"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l44"></a> </span><span class=cF5>DriveCheck</span><span class=cF0>(drive);
<a name="l45"></a> </span><span class=cF1>try</span><span class=cF0>
<a name="l46"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l47"></a> unlock = </span><span class=cF5>DriveLock</span><span class=cF0>(drive);
<a name="l48"></a> </span><span class=cFD>BlkDevInit</span><span class=cF0>(bd);
<a name="l49"></a> </span><span class=cF1>if</span><span class=cF0> (drive-&gt;drv_offset &amp;&amp; blk &lt; drive-&gt;drv_offset || blk + count &gt; drive-&gt;drv_offset + drive-&gt;size)
<a name="l50"></a> </span><span class=cF5>throw</span><span class=cF0>(</span><span class=cF6>'Drive'</span><span class=cF0>);
<a name="l51"></a> </span><span class=cF1>if</span><span class=cF0> (bd-&gt;flags &amp; </span><span class=cF3>BDF_READ_CACHE</span><span class=cF0>)
<a name="l52"></a> </span><span class=cFD>RCache</span><span class=cF0>(drive, &amp;buf, &amp;blk, &amp;count);
<a name="l53"></a> </span><span class=cF1>if</span><span class=cF0> (count &gt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l54"></a> {
<a name="l55"></a> </span><span class=cF1>switch</span><span class=cF0> (bd-&gt;type)
<a name="l56"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l57"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>BDT_RAM</span><span class=cF0>:
<a name="l58"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(buf, bd-&gt;RAM_disk + blk &lt;&lt; </span><span class=cF3>BLK_SIZE_BITS</span><span class=cF0>, count &lt;&lt; </span><span class=cF3>BLK_SIZE_BITS</span><span class=cF0>);
<a name="l59"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l60"></a>
<a name="l61"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>BDT_ISO_FILE_READ</span><span class=cF0>:
<a name="l62"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>BDT_ISO_FILE_WRITE</span><span class=cF0>:
<a name="l63"></a> </span><span class=cF5>FBlkRead</span><span class=cF0>(bd-&gt;file_disk, buf, blk, count);
<a name="l64"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l65"></a>
<a name="l66"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>BDT_ATA</span><span class=cF0>:
<a name="l67"></a> res = </span><span class=cFD>AHCIAtaRBlks</span><span class=cF0>(drive, buf, blk, count);
<a name="l68"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l69"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>BDT_ATAPI</span><span class=cF0>:
<a name="l70"></a> res = </span><span class=cFD>AHCIAtapiRBlks</span><span class=cF0>(drive, buf, blk, count);
<a name="l71"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l72"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l73"></a> bd-&gt;last_time = </span><span class=cF5>tS</span><span class=cF0>;
<a name="l74"></a> </span><span class=cF1>if</span><span class=cF0> (bd-&gt;flags &amp; </span><span class=cF3>BDF_READ_CACHE</span><span class=cF0>)
<a name="l75"></a> </span><span class=cFD>DiskCacheAdd</span><span class=cF0>(drive, buf, blk, count);
<a name="l76"></a> }
<a name="l77"></a> </span><span class=cF1>if</span><span class=cF0> (unlock)
<a name="l78"></a> </span><span class=cF5>DriveUnlock</span><span class=cF0>(drive);
<a name="l79"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l80"></a> </span><span class=cF1>catch</span><span class=cF0>
<a name="l81"></a> </span><span class=cF1>if</span><span class=cF0> (unlock)
<a name="l82"></a> </span><span class=cF5>DriveUnlock</span><span class=cF0>(drive);
<a name="l83"></a>
<a name="l84"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l85"></a>}
<a name="l86"></a>
<a name="l87"></a></span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>BlkWrite</span><span class=cF0>(</span><span class=cF9>CDrive</span><span class=cF0> *drive, </span><span class=cF1>U8</span><span class=cF0> *buf, </span><span class=cF9>I64</span><span class=cF0> blk, </span><span class=cF9>I64</span><span class=cF0> count)
<a name="l88"></a>{</span><span class=cF2>//Write blk count from buf to Drive.</span><span class=cF0>
<a name="l89"></a> </span><span class=cF1>Bool</span><span class=cF0> res = </span><span class=cF3>TRUE</span><span class=cF0>, unlock;
<a name="l90"></a> </span><span class=cF9>CBlkDev</span><span class=cF0> *bd = drive-&gt;bd;
<a name="l91"></a>
<a name="l92"></a> </span><span class=cF1>if</span><span class=cF0> (count &lt;= </span><span class=cFE>0</span><span class=cF0>)
<a name="l93"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l94"></a> </span><span class=cF5>DriveCheck</span><span class=cF0>(drive);
<a name="l95"></a> </span><span class=cF1>try</span><span class=cF0>
<a name="l96"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l97"></a> unlock = </span><span class=cF5>DriveLock</span><span class=cF0>(drive);
<a name="l98"></a> </span><span class=cFD>BlkDevInit</span><span class=cF0>(bd);
<a name="l99"></a> </span><span class=cF1>if</span><span class=cF0> (bd-&gt;flags &amp; </span><span class=cF3>BDF_READ_ONLY</span><span class=cF0> &amp;&amp; !</span><span class=cF7>(</span><span class=cF0>bd-&gt;flags &amp; </span><span class=cF3>BDF_READ_ONLY_OVERRIDE</span><span class=cF7>)</span><span class=cF0>)
<a name="l100"></a> </span><span class=cF5>throw</span><span class=cF0>(</span><span class=cF6>'BlkDev'</span><span class=cF0>);
<a name="l101"></a> </span><span class=cF1>if</span><span class=cF0> (drive-&gt;drv_offset &amp;&amp; blk&lt;drive-&gt;drv_offset || blk + count&gt;drive-&gt;drv_offset + drive-&gt;size)
<a name="l102"></a> </span><span class=cF5>throw</span><span class=cF0>(</span><span class=cF6>'Drive'</span><span class=cF0>);
<a name="l103"></a> </span><span class=cF1>if</span><span class=cF0> (count &gt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l104"></a> {
<a name="l105"></a> </span><span class=cF1>switch</span><span class=cF0> (bd-&gt;type)
<a name="l106"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l107"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>BDT_RAM</span><span class=cF0>:
<a name="l108"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(bd-&gt;RAM_disk + blk &lt;&lt; </span><span class=cF3>BLK_SIZE_BITS</span><span class=cF0>, buf, count &lt;&lt; </span><span class=cF3>BLK_SIZE_BITS</span><span class=cF0>);
<a name="l109"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l110"></a>
<a name="l111"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>BDT_ISO_FILE_READ</span><span class=cF0>:
<a name="l112"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>BDT_ISO_FILE_WRITE</span><span class=cF0>:
<a name="l113"></a> </span><span class=cF5>FBlkWrite</span><span class=cF0>(bd-&gt;file_disk, buf, blk, count);
<a name="l114"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l115"></a>
<a name="l116"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>BDT_ATA</span><span class=cF0>:
<a name="l117"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>BDT_ATAPI</span><span class=cF0>:
<a name="l118"></a> res = </span><span class=cFD>AHCIAtaWBlks</span><span class=cF0>(drive, buf, blk, count);
<a name="l119"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l120"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l121"></a> bd-&gt;last_time = </span><span class=cF5>tS</span><span class=cF0>;
<a name="l122"></a> </span><span class=cF1>if</span><span class=cF0> (bd-&gt;flags &amp; </span><span class=cF3>BDF_READ_CACHE</span><span class=cF0>)
<a name="l123"></a> </span><span class=cFD>DiskCacheAdd</span><span class=cF0>(drive, buf, blk, count);
<a name="l124"></a> }
<a name="l125"></a> </span><span class=cF1>if</span><span class=cF0> (unlock)
<a name="l126"></a> </span><span class=cF5>DriveUnlock</span><span class=cF0>(drive);
<a name="l127"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l128"></a> </span><span class=cF1>catch</span><span class=cF0>
<a name="l129"></a> </span><span class=cF1>if</span><span class=cF0> (unlock)
<a name="l130"></a> </span><span class=cF5>DriveUnlock</span><span class=cF0>(drive);
<a name="l131"></a>
<a name="l132"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l133"></a>}
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