ZealOS/docs/Kernel/PCIBIOS.CC.html

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<a name="l1"></a><span class=cF1>asm</span><span class=cF0> {
<a name="l2"></a></span><span class=cF1>USE32</span><span class=cF0>
<a name="l3"></a>
<a name="l4"></a></span><span class=cFD>SYS_PCIBIOS_SERVICE_DIR</span><span class=cF0>:: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l5"></a></span><span class=cFD>SYS_PCI_SERVICES</span><span class=cF0>:: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
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<a name="l6"></a>
<a name="l7"></a></span><span class=cFD>SYS_FIND_PCIBIOS_SERVICE_DIR</span><span class=cF0>::
<a name="l8"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ESI</span><span class=cF0>, </span><span class=cFE>0xE0000</span><span class=cF0>
<a name="l9"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ECX</span><span class=cF0>, (</span><span class=cFE>0x100000</span><span class=cF0> - </span><span class=cFE>0xE0000</span><span class=cF0>) / </span><span class=cFE>4</span><span class=cF0>
<a name="l10"></a>@@05: </span><span class=cF1>CMP</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFC>ESI</span><span class=cF0>], </span><span class=cF6>'_32_'</span><span class=cF0>
<a name="l11"></a> </span><span class=cF1>JNE</span><span class=cF0> @@20
<a name="l12"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>ECX</span><span class=cF0>
<a name="l13"></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="l14"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>CL</span><span class=cF0>, </span><span class=cF1>U8</span><span class=cF0> </span><span class=cFE>9</span><span class=cF0>[</span><span class=cFC>ESI</span><span class=cF0>]
<a name="l15"></a> </span><span class=cF1>SHL</span><span class=cF0> </span><span class=cFC>ECX</span><span class=cF0>, </span><span class=cFE>4</span><span class=cF0>
<a name="l16"></a>@@10: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EDI</span><span class=cF0>, </span><span class=cFC>ESI</span><span class=cF0>
<a name="l17"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cFC>EAX</span><span class=cF0>
<a name="l18"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>EDX</span><span class=cF0>, </span><span class=cFC>EDX</span><span class=cF0>
<a name="l19"></a>@@15: </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> [</span><span class=cFC>EDI</span><span class=cF0>]
<a name="l20"></a> </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cFC>EDX</span><span class=cF0>
<a name="l21"></a> </span><span class=cF1>INC</span><span class=cF0> </span><span class=cFC>EDI</span><span class=cF0>
<a name="l22"></a> </span><span class=cF1>DEC</span><span class=cF0> </span><span class=cFC>ECX</span><span class=cF0>
<a name="l23"></a> </span><span class=cF1>JNZ</span><span class=cF0> @@15
<a name="l24"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>ECX</span><span class=cF0>
<a name="l25"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>AL</span><span class=cF0>, </span><span class=cFC>AL</span><span class=cF0>
<a name="l26"></a> </span><span class=cF1>JNZ</span><span class=cF0> @@20
<a name="l27"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>SYS_PCIBIOS_SERVICE_DIR</span><span class=cF0>], </span><span class=cFC>ESI</span><span class=cF0>
<a name="l28"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ESI</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFE>4</span><span class=cF0>[</span><span class=cFC>ESI</span><span class=cF0>]
<a name="l29"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>SYS_PCIBIOS_SERVICE_CALL</span><span class=cF0>], </span><span class=cFC>ESI</span><span class=cF0>
<a name="l30"></a> </span><span class=cF1>RET</span><span class=cF0>
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<a name="l31"></a>
<a name="l32"></a>@@20: </span><span class=cF1>ADD</span><span class=cF0> </span><span class=cFC>ESI</span><span class=cF0>, </span><span class=cFE>4</span><span class=cF0>
<a name="l33"></a> </span><span class=cF1>LOOP</span><span class=cF0> @@05
<a name="l34"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>SYS_PCIBIOS_SERVICE_DIR</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>
<a name="l35"></a> </span><span class=cF1>RET</span><span class=cF0>
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<a name="l36"></a>
<a name="l37"></a></span><span class=cFD>SYS_FIND_PCI_SERVICES</span><span class=cF0>::
<a name="l38"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ESI</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>SYS_PCIBIOS_SERVICE_DIR</span><span class=cF0>]
<a name="l39"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>ESI</span><span class=cF0>, </span><span class=cFC>ESI</span><span class=cF0>
<a name="l40"></a> </span><span class=cF1>JNZ</span><span class=cF0> @@05
<a name="l41"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>SYS_PCI_SERVICES</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>
<a name="l42"></a> </span><span class=cF1>RET</span><span class=cF0>
<a name="l43"></a>@@05: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cF6>'$PCI'</span><span class=cF0>
<a name="l44"></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="l45"></a> </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cFE>0x9A</span><span class=cF0>; </span><span class=cF2>//CALL CGDT.cs32:PCIBIOS_SERVICE</span><span class=cF0>
<a name="l46"></a></span><span class=cFD>SYS_PCIBIOS_SERVICE_CALL</span><span class=cF0>:: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l47"></a> </span><span class=cF1>DU16</span><span class=cF0> </span><span class=cF9>CGDT</span><span class=cF0>.cs32;
<a name="l48"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>AL</span><span class=cF0>, </span><span class=cFC>AL</span><span class=cF0>
<a name="l49"></a> </span><span class=cF1>JNZ</span><span class=cF0> @@05
<a name="l50"></a> </span><span class=cF1>LEA</span><span class=cF0> </span><span class=cFC>ESI</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFC>EBX</span><span class=cF0> + </span><span class=cFC>EDX</span><span class=cF0>]
<a name="l51"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>SYS_PCI_SERVICES</span><span class=cF0>], </span><span class=cFC>ESI</span><span class=cF0>
<a name="l52"></a> </span><span class=cF1>RET</span><span class=cF0>
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<a name="l53"></a>
<a name="l54"></a>@@05: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>SYS_PCI_SERVICES</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>
<a name="l55"></a> </span><span class=cF1>RET</span><span class=cF0>
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<a name="l56"></a>
<a name="l57"></a></span><span class=cF1>USE64</span><span class=cF0>
<a name="l58"></a></span><span class=cFD>C32_EAX</span><span class=cF0>:: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l59"></a></span><span class=cFD>C32_EBX</span><span class=cF0>:: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l60"></a></span><span class=cFD>C32_ECX</span><span class=cF0>:: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l61"></a></span><span class=cFD>C32_EDX</span><span class=cF0>:: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l62"></a></span><span class=cFD>C32_ESI</span><span class=cF0>:: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l63"></a></span><span class=cFD>C32_EDI</span><span class=cF0>:: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l64"></a></span><span class=cFD>C32_EFLAGS</span><span class=cF0>:: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
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<a name="l65"></a>
<a name="l66"></a></span><span class=cFD>C32_RSP</span><span class=cF0>:: </span><span class=cF1>DU64</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
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<a name="l67"></a>
<a name="l68"></a></span><span class=cFD>_FAR_CALL32</span><span class=cF0>::
<a name="l69"></a></span><span class=cF2>//This calls a 32-bit mode routine.</span><span class=cF0>
<a name="l70"></a></span><span class=cF2>//(We must switch from 64-bit mode to do it.)</span><span class=cF0>
<a name="l71"></a></span><span class=cF2>//</span><span class=cF0>
<a name="l72"></a></span><span class=cF2>//NON REENTRANT</span><span class=cF0>
<a name="l73"></a></span><span class=cF2>//</span><span class=cF0>
<a name="l74"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l75"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>, </span><span class=cFC>RSP</span><span class=cF0>
<a name="l76"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> </span><span class=cF3>SF_ARG1</span><span class=cF0>[</span><span class=cFC>RBP</span><span class=cF0>]
<a name="l77"></a> </span><span class=cF1>TEST</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l78"></a> </span><span class=cF1>JNZ</span><span class=cF0> @@05
<a name="l79"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l80"></a> </span><span class=cF1>RET1</span><span class=cF0> </span><span class=cFE>8</span><span class=cF0> </span><span class=cF2>//return FALSE</span><span class=cF0>
<a name="l81"></a>@@05: </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_ADD</span><span class=cF0>], </span><span class=cFC>EAX</span><span class=cF0>
<a name="l82"></a> </span><span class=cF3>PUSH_REGS</span><span class=cF0>
<a name="l83"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l84"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l85"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cFC>FS</span><span class=cF0>:</span><span class=cF9>CTask</span><span class=cF0>.addr[</span><span class=cFC>RAX</span><span class=cF0>]
<a name="l86"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> </span><span class=cFC>GS</span><span class=cF0>:</span><span class=cF9>CCPU</span><span class=cF0>.addr[</span><span class=cFC>RAX</span><span class=cF0>]
<a name="l87"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U64</span><span class=cF0> [</span><span class=cFD>C32_RSP</span><span class=cF0>], </span><span class=cFC>RSP</span><span class=cF0>
<a name="l88"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CGDT</span><span class=cF0>.ds </span><span class=cF2>//STACKSEG</span><span class=cF0>
<a name="l89"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF3>BOOT_RAM_LIMIT</span><span class=cF0> </span><span class=cF2>//STACK</span><span class=cF0>
<a name="l90"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0> </span><span class=cF2>//FLAGS--interrupts off</span><span class=cF0>
<a name="l91"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cF9>CGDT</span><span class=cF0>.cs32
<a name="l92"></a> </span><span class=cF1>LEA</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, [@@15]
<a name="l93"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l94"></a> </span><span class=cF1>IRET</span><span class=cF0>
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<a name="l95"></a></span><span class=cF1>USE32</span><span class=cF0>
<a name="l96"></a>@@15:
<a name="l97"></a> </span><span class=cF1>WBINVD</span><span class=cF0>
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<a name="l98"></a></span><span class=cF2>//disable paging</span><span class=cF0>
<a name="l99"></a> </span><span class=cF1>MOV_EAX_CR0</span><span class=cF0>
<a name="l100"></a> </span><span class=cF1>BTR</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cF3>CR0f_PG</span><span class=cF0>
<a name="l101"></a> </span><span class=cF1>MOV_CR0_EAX</span><span class=cF0>
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<a name="l102"></a>
<a name="l103"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ECX</span><span class=cF0>, </span><span class=cF3>IA32_EFER</span><span class=cF0>
<a name="l104"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>EDX</span><span class=cF0>, </span><span class=cFC>EDX</span><span class=cF0>
<a name="l105"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cFC>EAX</span><span class=cF0>
<a name="l106"></a> </span><span class=cF1>WRMSR</span><span class=cF0>
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<a name="l107"></a>
<a name="l108"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>AX</span><span class=cF0>, </span><span class=cF9>CGDT</span><span class=cF0>.ds
<a name="l109"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>FS</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
<a name="l110"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>GS</span><span class=cF0>, </span><span class=cFC>AX</span><span class=cF0>
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<a name="l111"></a></span><span class=cF2>//SS already set</span><span class=cF0>
<a name="l112"></a>
<a name="l113"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EAX</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_EAX</span><span class=cF0>]
<a name="l114"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EBX</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_EBX</span><span class=cF0>]
<a name="l115"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ECX</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_ECX</span><span class=cF0>]
<a name="l116"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EDX</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_EDX</span><span class=cF0>]
<a name="l117"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>ESI</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_ESI</span><span class=cF0>]
<a name="l118"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>EDI</span><span class=cF0>, </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_EDI</span><span class=cF0>]
<a name="l119"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_EFLAGS</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>
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<a name="l120"></a>
<a name="l121"></a> </span><span class=cF1>DU8</span><span class=cF0> </span><span class=cFE>0x9A</span><span class=cF0>; </span><span class=cF2>//CALL CGDT.cs32:[C32_ADD]</span><span class=cF0>
<a name="l122"></a></span><span class=cFD>C32_ADD</span><span class=cF0>:: </span><span class=cF1>DU32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l123"></a> </span><span class=cF1>DU16</span><span class=cF0> </span><span class=cF9>CGDT</span><span class=cF0>.cs32;
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<a name="l124"></a>
<a name="l125"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l126"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_EFLAGS</span><span class=cF0>]
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<a name="l127"></a>
<a name="l128"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_EAX</span><span class=cF0>], </span><span class=cFC>EAX</span><span class=cF0>
<a name="l129"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_EBX</span><span class=cF0>], </span><span class=cFC>EBX</span><span class=cF0>
<a name="l130"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_ECX</span><span class=cF0>], </span><span class=cFC>ECX</span><span class=cF0>
<a name="l131"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_EDX</span><span class=cF0>], </span><span class=cFC>EDX</span><span class=cF0>
<a name="l132"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_ESI</span><span class=cF0>], </span><span class=cFC>ESI</span><span class=cF0>
<a name="l133"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> [</span><span class=cFD>C32_EDI</span><span class=cF0>], </span><span class=cFC>EDI</span><span class=cF0>
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<a name="l134"></a>
<a name="l135"></a> </span><span class=cF1>PUSH</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0> </span><span class=cF2>//Return from next call will be 64-bit</span><span class=cF0>
<a name="l136"></a> </span><span class=cF1>CALL</span><span class=cF0> </span><span class=cFD>SYS_ENTER_LONG_MODE</span><span class=cF0>
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<a name="l137"></a>
<a name="l138"></a></span><span class=cF1>USE64</span><span class=cF0> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>RSP</span><span class=cF0>, </span><span class=cF9>U64</span><span class=cF0> [</span><span class=cFD>C32_RSP</span><span class=cF0>]
<a name="l139"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l140"></a> </span><span class=cF1>CALL</span><span class=cF0> </span><span class=cFD>SET_GS_BASE</span><span class=cF0>
<a name="l141"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>
<a name="l142"></a> </span><span class=cF1>CALL</span><span class=cF0> </span><span class=cFD>SET_FS_BASE</span><span class=cF0>
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<a name="l143"></a>
<a name="l144"></a> </span><span class=cF1>POPFD</span><span class=cF0>
<a name="l145"></a> </span><span class=cF3>POP_REGS</span><span class=cF0>
<a name="l146"></a> </span><span class=cF1>XOR</span><span class=cF0> </span><span class=cFC>RAX</span><span class=cF0>, </span><span class=cFC>RAX</span><span class=cF0>
<a name="l147"></a> </span><span class=cF1>MOV</span><span class=cF0> </span><span class=cFC>AL</span><span class=cF0>, </span><span class=cF3>TRUE</span><span class=cF0>
<a name="l148"></a> </span><span class=cF1>POP</span><span class=cF0> </span><span class=cFC>RBP</span><span class=cF0>
<a name="l149"></a> </span><span class=cF1>RET1</span><span class=cF0> </span><span class=cFE>8</span><span class=cF0>
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<a name="l150"></a>}
<a name="l151"></a>
<a name="l152"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>C32_EAX</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFB>c32_eax</span><span class=cF0>;
<a name="l153"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>C32_EBX</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFB>c32_ebx</span><span class=cF0>;
<a name="l154"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>C32_ECX</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFB>c32_ecx</span><span class=cF0>;
<a name="l155"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>C32_EDX</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFB>c32_edx</span><span class=cF0>;
<a name="l156"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>C32_ESI</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFB>c32_esi</span><span class=cF0>;
<a name="l157"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>C32_EDI</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFB>c32_edi</span><span class=cF0>;
<a name="l158"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>C32_EFLAGS</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFB>c32_eflags</span><span class=cF0>;
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<a name="l159"></a>
<a name="l160"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>SYS_PCI_SERVICES</span><span class=cF0> </span><span class=cF9>U32</span><span class=cF0> </span><span class=cFB>sys_pci_services</span><span class=cF0>;
<a name="l161"></a>
<a name="l162"></a></span><span class=cF1>_extern</span><span class=cF0> </span><span class=cFD>_FAR_CALL32</span><span class=cF0> </span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>FarCall32</span><span class=cF0>(</span><span class=cF1>U0</span><span class=cF0> </span><span class=cF7>(</span><span class=cF0>*fp_addr</span><span class=cF7>)()</span><span class=cF0>);</span><span class=cF2>//Not reentrant.For PCIBIOS.</span><span class=cF0>
<a name="l163"></a>
<a name="l164"></a></span><span class=cF1>U8</span><span class=cF0> </span><span class=cFD>PCIBIOSReadU8</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> bus, </span><span class=cF9>I64</span><span class=cF0> </span><span class=cFB>dev</span><span class=cF0>, </span><span class=cF9>I64</span><span class=cF0> fun, </span><span class=cF9>I64</span><span class=cF0> rg)
<a name="l165"></a>{</span><span class=cF2>//Read U8 in PCI configspace at bus, dev, fun, reg.</span><span class=cF0>
<a name="l166"></a> </span><span class=cF9>I64</span><span class=cF0> res;
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<a name="l167"></a>
<a name="l168"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l169"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l170"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l171"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l172"></a> </span><span class=cFB>c32_eax</span><span class=cF0> = </span><span class=cFE>0xB108</span><span class=cF0>;
<a name="l173"></a> </span><span class=cFB>c32_ebx</span><span class=cF0> = bus &lt;&lt; </span><span class=cFE>8</span><span class=cF0> + </span><span class=cFB>dev</span><span class=cF0> &lt;&lt; </span><span class=cFE>3</span><span class=cF0> + fun;
<a name="l174"></a> </span><span class=cFB>c32_edi</span><span class=cF0> = rg;
<a name="l175"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>FarCall32</span><span class=cF7>(</span><span class=cFB>sys_pci_services</span><span class=cF7>)</span><span class=cF0>)
<a name="l176"></a> res = </span><span class=cFB>c32_ecx</span><span class=cF0>.u8[</span><span class=cFE>0</span><span class=cF0>];
<a name="l177"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l178"></a> res = </span><span class=cFE>0xFF</span><span class=cF0>;
<a name="l179"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l180"></a> </span><span class=cF1>POPFD</span><span class=cF0>
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<a name="l181"></a>
<a name="l182"></a> </span><span class=cF1>return</span><span class=cF0> res;
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<a name="l183"></a>}
<a name="l184"></a>
<a name="l185"></a></span><span class=cF9>U16</span><span class=cF0> </span><span class=cFD>PCIBIOSReadU16</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> bus, </span><span class=cF9>I64</span><span class=cF0> </span><span class=cFB>dev</span><span class=cF0>, </span><span class=cF9>I64</span><span class=cF0> fun, </span><span class=cF9>I64</span><span class=cF0> rg)
<a name="l186"></a>{</span><span class=cF2>//Read U16 in PCI configspace at bus, dev, fun, reg.</span><span class=cF0>
<a name="l187"></a> </span><span class=cF9>I64</span><span class=cF0> res;
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<a name="l188"></a>
<a name="l189"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l190"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l191"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l192"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l193"></a> </span><span class=cFB>c32_eax</span><span class=cF0> = </span><span class=cFE>0xB109</span><span class=cF0>;
<a name="l194"></a> </span><span class=cFB>c32_ebx</span><span class=cF0> = bus &lt;&lt; </span><span class=cFE>8</span><span class=cF0> + </span><span class=cFB>dev</span><span class=cF0> &lt;&lt; </span><span class=cFE>3</span><span class=cF0> + fun;
<a name="l195"></a> </span><span class=cFB>c32_edi</span><span class=cF0> = rg;
<a name="l196"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>FarCall32</span><span class=cF7>(</span><span class=cFB>sys_pci_services</span><span class=cF7>)</span><span class=cF0>)
<a name="l197"></a> res = </span><span class=cFB>c32_ecx</span><span class=cF0>.u16[</span><span class=cFE>0</span><span class=cF0>];
<a name="l198"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l199"></a> res = </span><span class=cFE>0xFFFF</span><span class=cF0>;
<a name="l200"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l201"></a> </span><span class=cF1>POPFD</span><span class=cF0>
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<a name="l202"></a>
<a name="l203"></a> </span><span class=cF1>return</span><span class=cF0> res;
2021-07-03 05:07:57 +01:00
<a name="l204"></a>}
<a name="l205"></a>
<a name="l206"></a></span><span class=cF9>U32</span><span class=cF0> </span><span class=cFD>PCIBIOSReadU32</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> bus, </span><span class=cF9>I64</span><span class=cF0> </span><span class=cFB>dev</span><span class=cF0>, </span><span class=cF9>I64</span><span class=cF0> fun, </span><span class=cF9>I64</span><span class=cF0> rg)
<a name="l207"></a>{</span><span class=cF2>//Read U32 in PCI configspace at bus, dev, fun, reg.</span><span class=cF0>
<a name="l208"></a> </span><span class=cF9>I64</span><span class=cF0> res;
2021-07-03 05:07:57 +01:00
<a name="l209"></a>
<a name="l210"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l211"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l212"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l213"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l214"></a> </span><span class=cFB>c32_eax</span><span class=cF0> = </span><span class=cFE>0xB10A</span><span class=cF0>;
<a name="l215"></a> </span><span class=cFB>c32_ebx</span><span class=cF0> = bus &lt;&lt; </span><span class=cFE>8</span><span class=cF0> + </span><span class=cFB>dev</span><span class=cF0> &lt;&lt; </span><span class=cFE>3</span><span class=cF0> + fun;
<a name="l216"></a> </span><span class=cFB>c32_edi</span><span class=cF0> = rg;
<a name="l217"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>FarCall32</span><span class=cF7>(</span><span class=cFB>sys_pci_services</span><span class=cF7>)</span><span class=cF0>)
<a name="l218"></a> res = </span><span class=cFB>c32_ecx</span><span class=cF0>;
<a name="l219"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l220"></a> res = </span><span class=cFE>0xFFFFFFFF</span><span class=cF0>;
<a name="l221"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l222"></a> </span><span class=cF1>POPFD</span><span class=cF0>
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<a name="l223"></a>
<a name="l224"></a> </span><span class=cF1>return</span><span class=cF0> res;
2021-07-03 05:07:57 +01:00
<a name="l225"></a>}
<a name="l226"></a>
<a name="l227"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>PCIBIOSWriteU8</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> bus, </span><span class=cF9>I64</span><span class=cF0> </span><span class=cFB>dev</span><span class=cF0>, </span><span class=cF9>I64</span><span class=cF0> fun, </span><span class=cF9>I64</span><span class=cF0> rg, </span><span class=cF9>I64</span><span class=cF0> val)
<a name="l228"></a>{</span><span class=cF2>//Write U8 in PCI configspace at bus, dev, fun, reg.</span><span class=cF0>
<a name="l229"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l230"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l231"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l232"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l233"></a> </span><span class=cFB>c32_eax</span><span class=cF0> = </span><span class=cFE>0xB10B</span><span class=cF0>;
<a name="l234"></a> </span><span class=cFB>c32_ebx</span><span class=cF0> = bus &lt;&lt; </span><span class=cFE>8</span><span class=cF0> + </span><span class=cFB>dev</span><span class=cF0> &lt;&lt; </span><span class=cFE>3</span><span class=cF0> + fun;
<a name="l235"></a> </span><span class=cFB>c32_edi</span><span class=cF0> = rg;
<a name="l236"></a> </span><span class=cFB>c32_ecx</span><span class=cF0> = val;
<a name="l237"></a> </span><span class=cF5>FarCall32</span><span class=cF0>(</span><span class=cFB>sys_pci_services</span><span class=cF0>);
<a name="l238"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l239"></a> </span><span class=cF1>POPFD</span><span class=cF0>
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<a name="l240"></a>}
<a name="l241"></a>
<a name="l242"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>PCIBIOSWriteU16</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> bus, </span><span class=cF9>I64</span><span class=cF0> </span><span class=cFB>dev</span><span class=cF0>, </span><span class=cF9>I64</span><span class=cF0> fun, </span><span class=cF9>I64</span><span class=cF0> rg, </span><span class=cF9>I64</span><span class=cF0> val)
<a name="l243"></a>{</span><span class=cF2>//Write U16 in PCI configspace at bus, dev, fun, reg.</span><span class=cF0>
<a name="l244"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l245"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l246"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l247"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l248"></a> </span><span class=cFB>c32_eax</span><span class=cF0> = </span><span class=cFE>0xB10C</span><span class=cF0>;
<a name="l249"></a> </span><span class=cFB>c32_ebx</span><span class=cF0> = bus &lt;&lt; </span><span class=cFE>8</span><span class=cF0> + </span><span class=cFB>dev</span><span class=cF0> &lt;&lt; </span><span class=cFE>3</span><span class=cF0> + fun;
<a name="l250"></a> </span><span class=cFB>c32_edi</span><span class=cF0> = rg;
<a name="l251"></a> </span><span class=cFB>c32_ecx</span><span class=cF0> = val;
<a name="l252"></a> </span><span class=cF5>FarCall32</span><span class=cF0>(</span><span class=cFB>sys_pci_services</span><span class=cF0>);
<a name="l253"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l254"></a> </span><span class=cF1>POPFD</span><span class=cF0>
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<a name="l255"></a>}
<a name="l256"></a>
<a name="l257"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>PCIBIOSWriteU32</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> bus, </span><span class=cF9>I64</span><span class=cF0> </span><span class=cFB>dev</span><span class=cF0>, </span><span class=cF9>I64</span><span class=cF0> fun, </span><span class=cF9>I64</span><span class=cF0> rg, </span><span class=cF9>I64</span><span class=cF0> val)
<a name="l258"></a>{</span><span class=cF2>//Write U32 in PCI configspace at bus, dev, fun, reg.</span><span class=cF0>
<a name="l259"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l260"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l261"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l262"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l263"></a> </span><span class=cFB>c32_eax</span><span class=cF0> = </span><span class=cFE>0xB10D</span><span class=cF0>;
<a name="l264"></a> </span><span class=cFB>c32_ebx</span><span class=cF0> = bus &lt;&lt; </span><span class=cFE>8</span><span class=cF0> + </span><span class=cFB>dev</span><span class=cF0> &lt;&lt; </span><span class=cFE>3</span><span class=cF0> + fun;
<a name="l265"></a> </span><span class=cFB>c32_edi</span><span class=cF0> = rg;
<a name="l266"></a> </span><span class=cFB>c32_ecx</span><span class=cF0> = val;
<a name="l267"></a> </span><span class=cF5>FarCall32</span><span class=cF0>(</span><span class=cFB>sys_pci_services</span><span class=cF0>);
<a name="l268"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l269"></a> </span><span class=cF1>POPFD</span><span class=cF0>
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<a name="l270"></a>}
<a name="l271"></a>
<a name="l272"></a></span><span class=cF9>I64</span><span class=cF0> </span><span class=cFD>PCIBIOSClassFind</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> class_code, </span><span class=cF9>I64</span><span class=cF0> n)
<a name="l273"></a>{</span><span class=cF2>/*Find bus, dev, fun of Nth class_code dev.</span><span class=cF0>
<a name="l274"></a>
<a name="l275"></a></span><span class=cF2>class_code is low three bytes</span><span class=cF0>
<a name="l276"></a></span><span class=cF2>n is index starting at zero</span><span class=cF0>
<a name="l277"></a></span><span class=cF2>Return: -1 not found</span><span class=cF0>
<a name="l278"></a></span><span class=cF2>else bus, dev, fun.</span><span class=cF0>
<a name="l279"></a></span><span class=cF2>*/</span><span class=cF0>
<a name="l280"></a> </span><span class=cF9>I64</span><span class=cF0> res;
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<a name="l281"></a>
<a name="l282"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
<a name="l283"></a> </span><span class=cF1>CLI</span><span class=cF0>
<a name="l284"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF7>)</span><span class=cF0>)
<a name="l285"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l286"></a> </span><span class=cFB>c32_eax</span><span class=cF0> = </span><span class=cFE>0xB103</span><span class=cF0>;
<a name="l287"></a> </span><span class=cFB>c32_esi</span><span class=cF0> = n;
<a name="l288"></a> </span><span class=cFB>c32_ecx</span><span class=cF0> = class_code;
<a name="l289"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>FarCall32</span><span class=cF7>(</span><span class=cFB>sys_pci_services</span><span class=cF7>)</span><span class=cF0> &amp;&amp; !</span><span class=cFB>c32_eax</span><span class=cF0>.u8[</span><span class=cFE>1</span><span class=cF0>])
<a name="l290"></a> res = </span><span class=cFB>c32_ebx</span><span class=cF0>.u8[</span><span class=cFE>1</span><span class=cF0>] &lt;&lt; </span><span class=cFE>16</span><span class=cF0> + (</span><span class=cFB>c32_ebx</span><span class=cF0> &amp; </span><span class=cFE>0xF8</span><span class=cF0>) &lt;&lt; </span><span class=cFE>5</span><span class=cF0> + </span><span class=cFB>c32_ebx</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0>;
<a name="l291"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l292"></a> res = -</span><span class=cFE>1</span><span class=cF0>;
<a name="l293"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_FAR_CALL32</span><span class=cF0>], </span><span class=cFE>0</span><span class=cF0>);
<a name="l294"></a> </span><span class=cF1>POPFD</span><span class=cF0>
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<a name="l295"></a>
<a name="l296"></a> </span><span class=cF1>return</span><span class=cF0> res;
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<a name="l297"></a>}
<a name="l298"></a>
</span></pre></body>
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