mirror of
https://github.com/joncampbell123/dosbox-x.git
synced 2025-05-09 03:41:10 +08:00
71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
/*
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* Copyright (C) 2002-2013 The DOSBox Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef DOSBOX_PCI_H
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#define DOSBOX_PCI_H
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#define PCI_FUNCTIONALITY_ENABLED 1
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#if defined PCI_FUNCTIONALITY_ENABLED
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#define PCI_MAX_PCIBUSSES 256
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#define PCI_MAX_PCIDEVICES 32
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#define PCI_MAX_PCIFUNCTIONS 8
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class PCI_Device {
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public:
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/* configuration space */
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unsigned char config[256];
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PCI_Device(Bit16u vendor, Bit16u device);
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virtual ~PCI_Device();
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Bit16u DeviceID() {
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return host_readw(config + 0x02);
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}
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void setDeviceID(const Bit16u device) {
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return host_writew(config + 0x02,device);
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}
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Bit16u VendorID() {
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return host_readw(config + 0x00);
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}
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void setVendorID(const Bit16u vendor) {
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return host_writew(config + 0x00,vendor);
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}
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virtual Bits ParseReadRegister(Bit8u regnum)=0;
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virtual bool OverrideReadRegister(Bit8u regnum, Bit8u* rval, Bit8u* rval_mask)=0;
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virtual Bits ParseWriteRegister(Bit8u regnum,Bit8u value)=0;
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virtual bool InitializeRegisters(Bit8u registers[256])=0;
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};
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bool PCI_IsInitialized();
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RealPt PCI_GetPModeInterface(void);
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#endif
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void PCI_AddSVGAS3_Device(void);
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void PCI_RemoveSVGAS3_Device(void);
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void PCI_AddSST_Device(Bitu type);
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void PCI_RemoveSST_Device(void);
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#endif
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