cfe/pccons/vgainit.c

476 static void regs2tag(pcitag_t *tag)
487     *tag = mytag;
605     pcitag_t tag;
626 	    ret = pci_find_device(M.x86.R_DX,M.x86.R_CX,M.x86.R_SI,&tag);
631 		pci_break_tag(tag,NULL,&bus,&device,&function);
639 		pci_break_tag(tag,NULL,&bus,&device,&function);
652 	    ret = pci_find_class(M.x86.R_ECX,M.x86.R_SI,&tag);
657 		pci_break_tag(tag,NULL,&bus,&device,&function);
666 		pci_break_tag(tag,NULL,&bus,&device,&function);
679 	    regs2tag(&tag);
680 	    M.x86.R_CL = pci_conf_read8(tag,M.x86.R_DI);
684 	    pci_break_tag(tag,NULL,&bus,&device,&function);
693 	    regs2tag(&tag);
694 	    M.x86.R_CX = pci_conf_read16(tag,M.x86.R_DI);
698 	    pci_break_tag(tag,NULL,&bus,&device,&function);
706 	    regs2tag(&tag);
707 	    M.x86.R_ECX = pci_conf_read(tag,M.x86.R_DI);
710 	    pci_break_tag(tag,NULL,&bus,&device,&function);
719 	    regs2tag(&tag);
720 	    pci_conf_write8(tag,M.x86.R_DI,M.x86.R_CL);
723 	    pci_break_tag(tag,NULL,&bus,&device,&function);
733 	    regs2tag(&tag);
734 	    pci_conf_write16(tag,M.x86.R_DI,M.x86.R_CX);
737 	    pci_break_tag(tag,NULL,&bus,&device,&function);
746 	    regs2tag(&tag);
747 	    pci_conf_write(tag,M.x86.R_DI,M.x86.R_ECX);
750 	    pci_break_tag(tag,NULL,&bus,&device,&function);
843     pcitag_t tag;
845     if (pci_find_class(PCI_CLASS_DISPLAY,0,&tag) == 0) {
855     pcitag_t tag;
866     if (pci_find_class(PCI_CLASS_DISPLAY,0,&tag) == 0) {
867 	romaddr = pci_conf_read(tag,PCI_MAPREG_ROM);
868 	pci_conf_write(tag,PCI_MAPREG_ROM,romaddr | PCI_MAPREG_ROM_ENABLE);
890 	pci_conf_write(tag,PCI_MAPREG_ROM,romaddr);
905 	pci_conf_write(tag,PCI_MAPREG_ROM,romaddr);
953     pci_conf_write(tag,PCI_MAPREG_ROM,romaddr);
996     pci_break_tag(tag,NULL,&bus,&device,&function);
1145     pcitag_t tag;
1152     if (pci_find_class(PCI_CLASS_DISPLAY,0,&tag) == 0) {
1153 	romaddr = pci_conf_read(tag,PCI_MAPREG_ROM);
1154 	pci_conf_write(tag,PCI_MAPREG_ROM,romaddr | PCI_MAPREG_ROM_ENABLE);
1197 //    pci_conf_write(tag,PCI_MAPREG_ROM,romaddr);