<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="generator" content="TempleOS V5.03"> <meta name="viewport" content="width=device-width"> <link rel="stylesheet" href="/style/templeos.css"> <script src="/script/templeos.js"></script> <style type="text/css"> .cF0{color:#000000;background-color:#ffffff;} .cF1{color:#0000aa;background-color:#ffffff;} .cF2{color:#00aa00;background-color:#ffffff;} .cF3{color:#00aaaa;background-color:#ffffff;} .cF4{color:#aa0000;background-color:#ffffff;} .cF5{color:#aa00aa;background-color:#ffffff;} .cF6{color:#aa5500;background-color:#ffffff;} .cF7{color:#aaaaaa;background-color:#ffffff;} .cF8{color:#555555;background-color:#ffffff;} .cF9{color:#5555ff;background-color:#ffffff;} .cFA{color:#55ff55;background-color:#ffffff;} .cFB{color:#55ffff;background-color:#ffffff;} .cFC{color:#ff5555;background-color:#ffffff;} .cFD{color:#ff55ff;background-color:#ffffff;} .cFE{color:#ffff55;background-color:#ffffff;} .cFF{color:#ffffff;background-color:#ffffff;} </style> </head> <body> <pre id="content"> <a name="l1"></a><span class=cF1>Bool</span><span class=cF0> </span><span class=cFD>Mem32DevIns</span><span class=cF0>(</span><span class=cF9>CMemRange</span><span class=cF0> *tmpmr) <a name="l2"></a>{ <a name="l3"></a> </span><span class=cF9>CMemRange</span><span class=cF0> *tmpmr1=</span><span class=cFB>dev</span><span class=cF0>.mem32_head.next,*tmpmr2; <a name="l4"></a> </span><span class=cF1>while</span><span class=cF0> (tmpmr1!=&</span><span class=cFB>dev</span><span class=cF0>.mem32_head) </span><span class=cF7>{</span><span class=cF0> <a name="l5"></a> </span><span class=cF1>if</span><span class=cF0> (!tmpmr1->type && tmpmr->base>=tmpmr1->base && <a name="l6"></a> tmpmr->base+tmpmr->size<=tmpmr1->base+tmpmr1->size) { <a name="l7"></a> </span><span class=cF1>if</span><span class=cF0> (tmpmr->base>tmpmr1->base) </span><span class=cF7>{</span><span class=cF0> <a name="l8"></a> tmpmr2=</span><span class=cF5>AMAlloc</span><span class=cF0>(</span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CMemRange</span><span class=cF7>)</span><span class=cF0>); <a name="l9"></a> tmpmr2->type=</span><span class=cF3>MRT_UNUSED</span><span class=cF0>; <a name="l10"></a> tmpmr2->flags=0; <a name="l11"></a> tmpmr2->base=tmpmr1->base; <a name="l12"></a> tmpmr2->size=tmpmr->base-tmpmr1->base; <a name="l13"></a> </span><span class=cF5>QueInsRev</span><span class=cF0>(tmpmr2,tmpmr1); <a name="l14"></a> </span><span class=cF7>}</span><span class=cF0> <a name="l15"></a> </span><span class=cF5>QueInsRev</span><span class=cF0>(tmpmr,tmpmr1); <a name="l16"></a> tmpmr1->size=tmpmr1->base+tmpmr1->size- <a name="l17"></a> (tmpmr->base+tmpmr->size); <a name="l18"></a> tmpmr1->base=tmpmr->base+tmpmr->size; <a name="l19"></a> </span><span class=cF1>if</span><span class=cF0> (!tmpmr1->size) </span><span class=cF7>{</span><span class=cF0> <a name="l20"></a> </span><span class=cF5>QueRem</span><span class=cF0>(tmpmr1); <a name="l21"></a> </span><span class=cF5>Free</span><span class=cF0>(tmpmr1); <a name="l22"></a> </span><span class=cF7>}</span><span class=cF0> <a name="l23"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>TRUE</span><span class=cF0>; <a name="l24"></a> } <a name="l25"></a> tmpmr1=tmpmr1->next; <a name="l26"></a> </span><span class=cF7>}</span><span class=cF0> <a name="l27"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>FALSE</span><span class=cF0>; <a name="l28"></a>} <a name="l29"></a> <a name="l30"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>Mem32DevInit</span><span class=cF0>() <a name="l31"></a>{ <a name="l32"></a> </span><span class=cF9>CMemRange</span><span class=cF0> *tmpmr; <a name="l33"></a> </span><span class=cF9>CMemE820</span><span class=cF0> *m20=</span><span class=cFD>MEM_E820</span><span class=cF0>; <a name="l34"></a> <a name="l35"></a> </span><span class=cF5>QueInit</span><span class=cF0>(&</span><span class=cFB>dev</span><span class=cF0>.mem32_head); <a name="l36"></a> tmpmr=</span><span class=cF5>AMAlloc</span><span class=cF0>(</span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CMemRange</span><span class=cF7>)</span><span class=cF0>); <a name="l37"></a> tmpmr->type=</span><span class=cF3>MRT_UNUSED</span><span class=cF0>; <a name="l38"></a> tmpmr->flags=0; <a name="l39"></a></span><span class=cF2>//Maybe !!! Change this to 0xF0000000 !!!</span><span class=cF0> <a name="l40"></a> tmpmr->base=0xE0000000; <a name="l41"></a> tmpmr->size=0x10000000; <a name="l42"></a> </span><span class=cF5>QueIns</span><span class=cF0>(tmpmr,</span><span class=cFB>dev</span><span class=cF0>.mem32_head.last); <a name="l43"></a> <a name="l44"></a> </span><span class=cF1>if</span><span class=cF0> (m20->type) </span><span class=cF7>{</span><span class=cF0> <a name="l45"></a> </span><span class=cF1>while</span><span class=cF0> (m20->type) { <a name="l46"></a> tmpmr=</span><span class=cF5>AMAlloc</span><span class=cF0>(</span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CMemRange</span><span class=cF7>)</span><span class=cF0>); <a name="l47"></a> tmpmr->type=m20->type; <a name="l48"></a> tmpmr->flags=0; <a name="l49"></a> tmpmr->base=m20->base; <a name="l50"></a> tmpmr->size=m20->len; <a name="l51"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cFD>Mem32DevIns</span><span class=cF7>(</span><span class=cF0>tmpmr</span><span class=cF7>)</span><span class=cF0>) <a name="l52"></a> </span><span class=cF5>Free</span><span class=cF0>(tmpmr); <a name="l53"></a> m20++; <a name="l54"></a> } <a name="l55"></a> </span><span class=cF7>}</span><span class=cF0> <a name="l56"></a>} <a name="l57"></a> <a name="l58"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>Mem32DevAlloc</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> size,</span><span class=cF9>I64</span><span class=cF0> alignment) <a name="l59"></a>{</span><span class=cF2>//Alloc 32-bit addr space for device. (Doesn't work.) Not used.</span><span class=cF0> <a name="l60"></a></span><span class=cF2>//For this to work the BIOS E820 map must be searched for gaps in</span><span class=cF0> <a name="l61"></a> </span><span class=cF2>//the 32-bit range and the pool initialized to the gaps.</span><span class=cF0> <a name="l62"></a> </span><span class=cF1>U8</span><span class=cF0> *base,*limit; <a name="l63"></a> </span><span class=cF9>CMemRange</span><span class=cF0> *tmpmr,*tmpmr1; <a name="l64"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEV_MEM</span><span class=cF0>],0</span><span class=cF7>)</span><span class=cF0>) <a name="l65"></a> </span><span class=cF5>Yield</span><span class=cF0>; <a name="l66"></a> tmpmr1=</span><span class=cFB>dev</span><span class=cF0>.mem32_head.next; <a name="l67"></a> </span><span class=cF1>while</span><span class=cF0> (tmpmr1!=&</span><span class=cFB>dev</span><span class=cF0>.mem32_head) </span><span class=cF7>{</span><span class=cF0> <a name="l68"></a> base=(tmpmr1->base+alignment-1)&~(alignment-1); <a name="l69"></a> limit=base+size-1; <a name="l70"></a> </span><span class=cF1>if</span><span class=cF0> (!tmpmr1->type && <a name="l71"></a> limit<tmpmr1->base+tmpmr1->size) { <a name="l72"></a> tmpmr=</span><span class=cF5>AMAlloc</span><span class=cF0>(</span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CMemRange</span><span class=cF7>)</span><span class=cF0>); <a name="l73"></a> tmpmr->type=</span><span class=cF3>MRT_DEV</span><span class=cF0>; <a name="l74"></a> tmpmr->flags=0; <a name="l75"></a> tmpmr->base=base; <a name="l76"></a> tmpmr->size=size; <a name="l77"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cFD>Mem32DevIns</span><span class=cF7>(</span><span class=cF0>tmpmr</span><span class=cF7>)</span><span class=cF0>) </span><span class=cF7>{</span><span class=cF0> <a name="l78"></a> </span><span class=cF5>Free</span><span class=cF0>(tmpmr); <a name="l79"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEV_MEM</span><span class=cF0>],0); <a name="l80"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>NULL</span><span class=cF0>; <a name="l81"></a> </span><span class=cF7>}</span><span class=cF0> <a name="l82"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEV_MEM</span><span class=cF0>],0); <a name="l83"></a> </span><span class=cF1>return</span><span class=cF0> tmpmr->base; <a name="l84"></a> } <a name="l85"></a> tmpmr1=tmpmr1->next; <a name="l86"></a> </span><span class=cF7>}</span><span class=cF0> <a name="l87"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEV_MEM</span><span class=cF0>],0); <a name="l88"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>NULL</span><span class=cF0>; <a name="l89"></a>} <a name="l90"></a> <a name="l91"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>Mem32DevFree</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *base) <a name="l92"></a>{</span><span class=cF2>//Free 32-bit device address space.</span><span class=cF0> <a name="l93"></a> </span><span class=cF9>CMemRange</span><span class=cF0> *tmpmr; <a name="l94"></a> </span><span class=cF1>if</span><span class=cF0> (!base) </span><span class=cF1>return</span><span class=cF0>; <a name="l95"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEV_MEM</span><span class=cF0>],0</span><span class=cF7>)</span><span class=cF0>) <a name="l96"></a> </span><span class=cF5>Yield</span><span class=cF0>; <a name="l97"></a> tmpmr=</span><span class=cFB>dev</span><span class=cF0>.mem32_head.next; <a name="l98"></a> </span><span class=cF1>while</span><span class=cF0> (tmpmr!=&</span><span class=cFB>dev</span><span class=cF0>.mem32_head) </span><span class=cF7>{</span><span class=cF0> <a name="l99"></a> </span><span class=cF1>if</span><span class=cF0> (tmpmr->base==base) { <a name="l100"></a> tmpmr->type=</span><span class=cF3>MRT_UNUSED</span><span class=cF0>; <a name="l101"></a> </span><span class=cF1>break</span><span class=cF0>; <a name="l102"></a> } <a name="l103"></a> tmpmr=tmpmr->next; <a name="l104"></a> </span><span class=cF7>}</span><span class=cF0> <a name="l105"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEV_MEM</span><span class=cF0>],0); <a name="l106"></a>} <a name="l107"></a> <a name="l108"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>Mem64DevAlloc</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> *_pages1Gig) <a name="l109"></a>{</span><span class=cF2>//Alloc 64-bit addr space for device.</span><span class=cF0> <a name="l110"></a> </span><span class=cF1>U8</span><span class=cF0> *a; <a name="l111"></a> </span><span class=cF9>I64</span><span class=cF0> i=*_pages1Gig,*pte; <a name="l112"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEV_MEM</span><span class=cF0>],0</span><span class=cF7>)</span><span class=cF0>) <a name="l113"></a> </span><span class=cF5>Yield</span><span class=cF0>; <a name="l114"></a> </span><span class=cF1>while</span><span class=cF0> (i--) </span><span class=cF7>{</span><span class=cF0> <a name="l115"></a> a=</span><span class=cFB>dev</span><span class=cF0>.mem64_ptr-=1<<30; <a name="l116"></a> </span><span class=cF1>do</span><span class=cF0> { <a name="l117"></a> pte=</span><span class=cF5>MemPageTable</span><span class=cF0>(a); <a name="l118"></a> *pte=*pte&~0x18 |0x11; </span><span class=cF2>//Uncached and present</span><span class=cF0> <a name="l119"></a> </span><span class=cF5>InvlPg</span><span class=cF0>(</span><span class=cFB>dev</span><span class=cF0>.mem64_ptr); <a name="l120"></a> a+=</span><span class=cFB>mem_page_size</span><span class=cF0>; <a name="l121"></a> } </span><span class=cF1>while</span><span class=cF0> (a-</span><span class=cFB>dev</span><span class=cF0>.mem64_ptr<1<<30); <a name="l122"></a> </span><span class=cF7>}</span><span class=cF0> <a name="l123"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEV_MEM</span><span class=cF0>],0); <a name="l124"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFB>dev</span><span class=cF0>.mem64_ptr; <a name="l125"></a>} <a name="l126"></a> <a name="l127"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>Mem64DevFree</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *base,</span><span class=cF9>I64</span><span class=cF0> pages1Gig) <a name="l128"></a>{</span><span class=cF2>//Free 64-bit device address space.</span><span class=cF0> <a name="l129"></a> </span><span class=cF1>if</span><span class=cF0> (!base) </span><span class=cF1>return</span><span class=cF0>; <a name="l130"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEV_MEM</span><span class=cF0>],0</span><span class=cF7>)</span><span class=cF0>) <a name="l131"></a> </span><span class=cF5>Yield</span><span class=cF0>; <a name="l132"></a> </span><span class=cF1>if</span><span class=cF0> (base==</span><span class=cFB>dev</span><span class=cF0>.mem64_ptr) <a name="l133"></a> </span><span class=cFB>dev</span><span class=cF0>.mem64_ptr+=pages1Gig*1<<30; <a name="l134"></a></span><span class=cF2>//else not freed</span><span class=cF0> <a name="l135"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&</span><span class=cFB>sys_semas</span><span class=cF0>[</span><span class=cF3>SEMA_DEV_MEM</span><span class=cF0>],0); <a name="l136"></a>} <a name="l137"></a> <a name="l138"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cFD>UncachedAliasAlloc</span><span class=cF0>() </span><span class=cF2>//Make uncached alias for 4 lowest Gig.</span><span class=cF0> <a name="l139"></a>{ <a name="l140"></a> </span><span class=cF9>I64</span><span class=cF0> i=4,*pte; <a name="l141"></a> </span><span class=cF1>U8</span><span class=cF0> *a; <a name="l142"></a> a=</span><span class=cFB>dev</span><span class=cF0>.uncached_alias=</span><span class=cF5>Mem64DevAlloc</span><span class=cF0>(&i); <a name="l143"></a> </span><span class=cF1>do</span><span class=cF0> </span><span class=cF7>{</span><span class=cF0> <a name="l144"></a> pte=</span><span class=cF5>MemPageTable</span><span class=cF0>(a); <a name="l145"></a> *pte=0x197+a-</span><span class=cFB>dev</span><span class=cF0>.uncached_alias; <a name="l146"></a> </span><span class=cF5>InvlPg</span><span class=cF0>(a); <a name="l147"></a> a+=</span><span class=cFB>mem_page_size</span><span class=cF0>; <a name="l148"></a> </span><span class=cF7>}</span><span class=cF0> </span><span class=cF1>while</span><span class=cF0> (a-</span><span class=cFB>dev</span><span class=cF0>.uncached_alias<1<<32); <a name="l149"></a>} <a name="l150"></a> <a name="l151"></a></span><span class=cF9>I64</span><span class=cF0> </span><span class=cFD>BIOSTotalMem</span><span class=cF0>() <a name="l152"></a>{ <a name="l153"></a> </span><span class=cF9>I64</span><span class=cF0> r01,r20; <a name="l154"></a> </span><span class=cF9>U16</span><span class=cF0> *m01=</span><span class=cFD>MEM_E801</span><span class=cF0>; <a name="l155"></a> </span><span class=cF9>CMemE820</span><span class=cF0> *m20=</span><span class=cFD>MEM_E820</span><span class=cF0>; <a name="l156"></a> <a name="l157"></a> r01=0x100000+m01[0]<<10+m01[1]<<16; <a name="l158"></a> r20=0; <a name="l159"></a> </span><span class=cF1>if</span><span class=cF0> (m20->type) </span><span class=cF7>{</span><span class=cF0> <a name="l160"></a> </span><span class=cF1>while</span><span class=cF0> (m20->type) { <a name="l161"></a> </span><span class=cF1>if</span><span class=cF0> (m20->type==1) <a name="l162"></a> r20+=m20->len; <a name="l163"></a> m20++; <a name="l164"></a> } <a name="l165"></a> </span><span class=cF7>}</span><span class=cF0> <a name="l166"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>MaxI64</span><span class=cF0>(r01,r20); <a name="l167"></a>} <a name="l168"></a> <a name="l169"></a></span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>Scale2Mem</span><span class=cF0>(</span><span class=cF9>I64</span><span class=cF0> min,</span><span class=cF9>I64</span><span class=cF0> max,</span><span class=cF9>I64</span><span class=cF0> limit=2*1024*1024*1024) <a name="l170"></a>{</span><span class=cF2>//Helps pick DiskCache and RAMDisk sizes.</span><span class=cF0> <a name="l171"></a></span><span class=cF2>//Can be used in </span><a href="/Wb/Adam/Opt/Boot/BootHDIns.HC.HTML#l18"><span class=cF4>BootHDIns</span></a><span class=cF2>() config scripts.</span><span class=cF0> <a name="l172"></a> </span><span class=cF9>I64</span><span class=cF0> i; <a name="l173"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFB>sys_data_bp</span><span class=cF0>) <a name="l174"></a> i=</span><span class=cFB>sys_data_bp</span><span class=cF0>->alloced_u8s; <a name="l175"></a> </span><span class=cF1>else</span><span class=cF0> <a name="l176"></a> i=</span><span class=cFB>sys_code_bp</span><span class=cF0>->alloced_u8s; <a name="l177"></a> </span><span class=cF1>if</span><span class=cF0> (i>=limit) <a name="l178"></a> </span><span class=cF1>return</span><span class=cF0> max; <a name="l179"></a> </span><span class=cF1>else</span><span class=cF0> <a name="l180"></a> </span><span class=cF1>return</span><span class=cF0> min+(max-min)*i/limit; <a name="l181"></a>} </span></pre></body> </html>