EPOS--: /home/andref/projetos/epos--/src/mach/pc/pci

00001 // EPOS-- PC PCI Mediator
00002 
00003 // This work is licensed under the Creative Commons 
00004 // Attribution-NonCommercial-NoDerivs License. To view a copy of this license, 
00005 // visit http://creativecommons.org/licenses/by-nc-nd/2.0/ or send a letter to 
00006 // Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
00007 
00008 #include <mach/pc/pci.h>
00009 
00010 __BEGIN_SYS
00011 
00012 int PC_PCI::init(System_Info * si)
00013 {
00014     int ret = 0;
00015 
00016     db<PC_PCI>(TRC) << "PC_PCI::init()\n";
00017 
00018     IA32::int_disable();
00019     IA32::out8(0xCFB, 0x01);
00020     IA32::Reg32 tmp = IA32::in32(0xCF8);
00021     IA32::out32(0xCF8, 0x80000000);
00022     if(IA32::in32(0xCF8) != 0x80000000)
00023         ret = -1;
00024     IA32::out32(0xCF8, tmp);
00025     
00026     IA32::int_disable();
00027 
00028     return ret;
00029 }
00030 
00031 __END_SYS

/home/andref/projetos/epos--/src/mach/pc/pci_init.cc