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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=cF2>/* RS232 serial ports no longer exist.</span><span class=cF0>
<a name="l2"></a></span><span class=cF2>Be sure to System Include this by placing</span><span class=cF0>
<a name="l3"></a></span><span class=cF2>it in your start-up scripts.</span><span class=cF0>
<a name="l4"></a></span><span class=cF2>*/</span><span class=cF0>
<a name="l5"></a>
<a name="l6"></a>#</span><span class=cF1>help_index</span><span class=cF0> </span><span class=cF6>&quot;Comm&quot;</span><span class=cF0>
<a name="l7"></a>
<a name="l8"></a>#</span><span class=cF1>define</span><span class=cF0> UART_THR </span><span class=cFE>0</span><span class=cF0>
<a name="l9"></a>#</span><span class=cF1>define</span><span class=cF0> UART_RDR </span><span class=cFE>0</span><span class=cF0>
<a name="l10"></a>#</span><span class=cF1>define</span><span class=cF0> UART_BRDL </span><span class=cFE>0</span><span class=cF0>
<a name="l11"></a>#</span><span class=cF1>define</span><span class=cF0> UART_IER </span><span class=cFE>1</span><span class=cF0>
<a name="l12"></a>#</span><span class=cF1>define</span><span class=cF0> UART_BRDH </span><span class=cFE>1</span><span class=cF0>
<a name="l13"></a>#</span><span class=cF1>define</span><span class=cF0> UART_IIR </span><span class=cFE>2</span><span class=cF0>
<a name="l14"></a>#</span><span class=cF1>define</span><span class=cF0> UART_LCR </span><span class=cFE>3</span><span class=cF0>
<a name="l15"></a>#</span><span class=cF1>define</span><span class=cF0> UART_MCR </span><span class=cFE>4</span><span class=cF0>
<a name="l16"></a>#</span><span class=cF1>define</span><span class=cF0> UART_LSR </span><span class=cFE>5</span><span class=cF0>
<a name="l17"></a>#</span><span class=cF1>define</span><span class=cF0> UART_MSR </span><span class=cFE>6</span><span class=cF0>
<a name="l18"></a>
<a name="l19"></a>#</span><span class=cF1>define</span><span class=cF0> COMf_ENABLED </span><span class=cFE>0</span><span class=cF0>
<a name="l20"></a></span><span class=cF1>class</span><span class=cF0> CComm
<a name="l21"></a>{
<a name="l22"></a> </span><span class=cF9>I64</span><span class=cF0> base,
<a name="l23"></a> flags;
<a name="l24"></a> </span><span class=cF9>CFifoU8</span><span class=cF0> *RX_fifo;
<a name="l25"></a> </span><span class=cF9>CFifoU8</span><span class=cF0> *TX_fifo;
<a name="l26"></a>
<a name="l27"></a>} comm_ports[</span><span class=cFE>5</span><span class=cF0>];
<a name="l28"></a>
<a name="l29"></a></span><span class=cF1>U0</span><span class=cF0> CommHandler(</span><span class=cF9>I64</span><span class=cF0> port)
<a name="l30"></a>{
<a name="l31"></a> CComm *c = &amp;comm_ports[port];
<a name="l32"></a> </span><span class=cF9>I64</span><span class=cF0> b = </span><span class=cFE>0</span><span class=cF0>, stat;
<a name="l33"></a>
<a name="l34"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>&amp;c-&gt;flags, COMf_ENABLED</span><span class=cF7>)</span><span class=cF0>)
<a name="l35"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l36"></a> stat = </span><span class=cF5>InU8</span><span class=cF0>(c-&gt;base+UART_IIR);
<a name="l37"></a> </span><span class=cF1>if</span><span class=cF0> (stat &amp; </span><span class=cFE>4</span><span class=cF0>) </span><span class=cF2>//RX</span><span class=cF0>
<a name="l38"></a> </span><span class=cF5>FifoU8Insert</span><span class=cF0>(c-&gt;RX_fifo, </span><span class=cF5>InU8</span><span class=cF7>(</span><span class=cF0>c-&gt;base + UART_RDR</span><span class=cF7>)</span><span class=cF0>);
<a name="l39"></a> </span><span class=cF1>if</span><span class=cF0> (stat &amp; </span><span class=cFE>2</span><span class=cF0>)
<a name="l40"></a> { </span><span class=cF2>//TX</span><span class=cF0>
<a name="l41"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>FifoU8Remove</span><span class=cF7>(</span><span class=cF0>c-&gt;TX_fifo, &amp;b</span><span class=cF7>)</span><span class=cF0>)
<a name="l42"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_THR, b);
<a name="l43"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l44"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_IER, </span><span class=cFE>1</span><span class=cF0>); </span><span class=cF2>//RX but no THR empty</span><span class=cF0>
<a name="l45"></a> }
<a name="l46"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l47"></a>}
<a name="l48"></a>
<a name="l49"></a></span><span class=cF1>interrupt</span><span class=cF0> </span><span class=cF1>U0</span><span class=cF0> IRQComm3()
<a name="l50"></a>{
<a name="l51"></a> CommHandler(</span><span class=cFE>2</span><span class=cF0>);
<a name="l52"></a> CommHandler(</span><span class=cFE>4</span><span class=cF0>);
<a name="l53"></a> </span><span class=cF5>OutU8</span><span class=cF0>(</span><span class=cF3>PIC_1</span><span class=cF0>, </span><span class=cF3>PIC_EOI</span><span class=cF0>);
<a name="l54"></a>}
<a name="l55"></a>
<a name="l56"></a></span><span class=cF1>interrupt</span><span class=cF0> </span><span class=cF1>U0</span><span class=cF0> IRQComm4()
<a name="l57"></a>{
<a name="l58"></a> CommHandler(</span><span class=cFE>1</span><span class=cF0>);
<a name="l59"></a> CommHandler(</span><span class=cFE>3</span><span class=cF0>);
<a name="l60"></a> </span><span class=cF5>OutU8</span><span class=cF0>(</span><span class=cF3>PIC_1</span><span class=cF0>, </span><span class=cF3>PIC_EOI</span><span class=cF0>);
<a name="l61"></a>}
<a name="l62"></a>
<a name="l63"></a></span><span class=cF1>U0</span><span class=cF0> CommInit()
<a name="l64"></a>{
<a name="l65"></a> </span><span class=cF5>MemSet</span><span class=cF0>(&amp;comm_ports, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF0>comm_ports</span><span class=cF7>)</span><span class=cF0>);
<a name="l66"></a> comm_ports[</span><span class=cFE>1</span><span class=cF0>].base = </span><span class=cFE>0x3F8</span><span class=cF0>;
<a name="l67"></a> comm_ports[</span><span class=cFE>2</span><span class=cF0>].base = </span><span class=cFE>0x2F8</span><span class=cF0>;
<a name="l68"></a> comm_ports[</span><span class=cFE>3</span><span class=cF0>].base = </span><span class=cFE>0x3E8</span><span class=cF0>;
<a name="l69"></a> comm_ports[</span><span class=cFE>4</span><span class=cF0>].base = </span><span class=cFE>0x2E8</span><span class=cF0>;
<a name="l70"></a> </span><span class=cF5>IntEntrySet</span><span class=cF0>(</span><span class=cFE>0x23</span><span class=cF0>, &amp;IRQComm3);
<a name="l71"></a> </span><span class=cF5>IntEntrySet</span><span class=cF0>(</span><span class=cFE>0x24</span><span class=cF0>, &amp;IRQComm4);
<a name="l72"></a>}
<a name="l73"></a>CommInit;
<a name="l74"></a>
<a name="l75"></a></span><span class=cF1>public</span><span class=cF0> CComm *CommInit8n1(</span><span class=cF9>I64</span><span class=cF0> port, </span><span class=cF9>I64</span><span class=cF0> baud)
<a name="l76"></a>{
<a name="l77"></a> CComm *c = &amp;comm_ports[port];
<a name="l78"></a>
<a name="l79"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l80"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l81"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;c-&gt;flags, COMf_ENABLED</span><span class=cF7>)</span><span class=cF0>)
<a name="l82"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l83"></a> </span><span class=cF5>FifoU8Del</span><span class=cF0>(c-&gt;RX_fifo);
<a name="l84"></a> </span><span class=cF5>FifoU8Del</span><span class=cF0>(c-&gt;TX_fifo);
<a name="l85"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l86"></a> c-&gt;RX_fifo = </span><span class=cF5>FifoU8New</span><span class=cF0>(</span><span class=cFE>256</span><span class=cF0>);
<a name="l87"></a> c-&gt;TX_fifo = </span><span class=cF5>FifoU8New</span><span class=cF0>(</span><span class=cFE>256</span><span class=cF0>);
<a name="l88"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_LCR, </span><span class=cFE>0</span><span class=cF0>); </span><span class=cF2>//Set for IER</span><span class=cF0>
<a name="l89"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_IER, </span><span class=cFE>0</span><span class=cF0>); </span><span class=cF2>//Disable all IRQ</span><span class=cF0>
<a name="l90"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_LCR, </span><span class=cFE>0x80</span><span class=cF0>); </span><span class=cF2>//Enable baud rate control</span><span class=cF0>
<a name="l91"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_BRDL, </span><span class=cF7>(</span><span class=cFE>0x180</span><span class=cF0> / (baud / </span><span class=cFE>300</span><span class=cF0>)</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>0xFF</span><span class=cF0>); </span><span class=cF2>//LSB</span><span class=cF0>
<a name="l92"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_BRDH, </span><span class=cF7>(</span><span class=cFE>0x180</span><span class=cF0> / (baud / </span><span class=cFE>300</span><span class=cF0>)</span><span class=cF7>)</span><span class=cF0> / </span><span class=cFE>256</span><span class=cF0>); </span><span class=cF2>//MSB</span><span class=cF0>
<a name="l93"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_LCR, </span><span class=cFE>3</span><span class=cF0>); </span><span class=cF2>//8-none-1</span><span class=cF0>
<a name="l94"></a>
<a name="l95"></a> </span><span class=cF5>InU8</span><span class=cF0>(c-&gt;base + UART_RDR); </span><span class=cF2>//read garbage</span><span class=cF0>
<a name="l96"></a> </span><span class=cF5>InU8</span><span class=cF0>(c-&gt;base + UART_LSR);
<a name="l97"></a>
<a name="l98"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_MCR, </span><span class=cFE>4</span><span class=cF0>);
<a name="l99"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_IER, </span><span class=cFE>0</span><span class=cF0>); </span><span class=cF2>//Disable all IRQ</span><span class=cF0>
<a name="l100"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_MCR, </span><span class=cFE>0xA</span><span class=cF0>); </span><span class=cF2>//out2 and rts</span><span class=cF0>
<a name="l101"></a> </span><span class=cF5>OutU8</span><span class=cF0>(</span><span class=cF3>PIC_1_DATA</span><span class=cF0>, </span><span class=cF5>InU8</span><span class=cF7>(</span><span class=cF3>PIC_1_DATA</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cF7>(</span><span class=cFE>0xFF</span><span class=cF0> - </span><span class=cFE>0x18</span><span class=cF7>)</span><span class=cF0>); </span><span class=cF2>//Enable 8259 IRQ 3 &amp; 4</span><span class=cF0>
<a name="l102"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_IER, </span><span class=cFE>1</span><span class=cF0>); </span><span class=cF2>//RX but no THR empty</span><span class=cF0>
<a name="l103"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l104"></a>
<a name="l105"></a> </span><span class=cF1>return</span><span class=cF0> c;
<a name="l106"></a>}
<a name="l107"></a>
<a name="l108"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF1>U0</span><span class=cF0> CommPutChar(</span><span class=cF9>I64</span><span class=cF0> port, </span><span class=cF1>U8</span><span class=cF0> b)
<a name="l109"></a>{
<a name="l110"></a> CComm *c = &amp;comm_ports[port];
<a name="l111"></a>
<a name="l112"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l113"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l114"></a> </span><span class=cF5>FifoU8Insert</span><span class=cF0>(c-&gt;TX_fifo, b);
<a name="l115"></a> </span><span class=cF5>OutU8</span><span class=cF0>(c-&gt;base + UART_IER, </span><span class=cFE>3</span><span class=cF0>); </span><span class=cF2>//RX and THR empty</span><span class=cF0>
<a name="l116"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l117"></a> </span><span class=cF5>Sleep</span><span class=cF0>(</span><span class=cFE>10</span><span class=cF0>); </span><span class=cF2>//!!! Remove this line!!!</span><span class=cF0> </span><span class=cF2>Linux echo_socket is too slow.</span><span class=cF0>
<a name="l118"></a>}
<a name="l119"></a>
<a name="l120"></a></span><span class=cF1>U0</span><span class=cF0> CommPutS(</span><span class=cF9>I64</span><span class=cF0> port, </span><span class=cF1>U8</span><span class=cF0> *st)
<a name="l121"></a>{
<a name="l122"></a> </span><span class=cF9>I64</span><span class=cF0> b;
<a name="l123"></a>
<a name="l124"></a> </span><span class=cF1>while</span><span class=cF0> (b = *st++)
<a name="l125"></a> CommPutChar(port, b);
<a name="l126"></a>}
<a name="l127"></a>
<a name="l128"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF1>U0</span><span class=cF0> CommPutBlk(</span><span class=cF9>I64</span><span class=cF0> port, </span><span class=cF1>U8</span><span class=cF0> *buf, </span><span class=cF9>I64</span><span class=cF0> count)
<a name="l129"></a>{
<a name="l130"></a> </span><span class=cF1>while</span><span class=cF0> (count--)
<a name="l131"></a> CommPutChar(port, *buf++);
<a name="l132"></a>}
<a name="l133"></a>
<a name="l134"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF1>U0</span><span class=cF0> CommPrint(</span><span class=cF9>I64</span><span class=cF0> port, </span><span class=cF1>U8</span><span class=cF0> *format, ...)
<a name="l135"></a>{
<a name="l136"></a> </span><span class=cF1>U8</span><span class=cF0> *buf = </span><span class=cF5>StrPrintJoin</span><span class=cF0>(</span><span class=cF3>NULL</span><span class=cF0>, format, argc, argv);
<a name="l137"></a>
<a name="l138"></a> CommPutS(port, buf);
<a name="l139"></a> </span><span class=cF5>Free</span><span class=cF0>(buf);
<a name="l140"></a>}
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