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          pci卡設(shè)計(jì)心得

          作者: 時(shí)間:2012-04-18 來(lái)源:網(wǎng)絡(luò) 收藏
          px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); orphans: 2; widows: 2; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">{
          for(i=0;i16;i++)
          {
          DWORD_OUT(0xcf8,io_cf8+4*i);
          buf[i]=DWORD_IN(0xcfc);
          }
          pciinf->VendorID=(WORD)(buf[0]0xffff);
          pciinf->DeviceID=(WORD)((buf[0]0xffff0000)/0x10000);
          pciinf->Command=(WORD)(buf[1]0xffff);
          pciinf->Status=(WORD)((buf[1]0xffff0000)/0x10000);
          pciinf->RevisionID=(UCHAR)(buf[2]0xff);
          pciinf->CacheLineSize=(UCHAR)(buf[3]0xff);
          pciinf->LatencyTimer=(UCHAR)((buf[3]0xff00)/0x100);
          pciinf->HeaderType=(UCHAR)((buf[3]0xff0000)/0x10000);


          關(guān)鍵詞: pci卡

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