mirror of
https://github.com/retro100/dosbox-wii.git
synced 2024-06-24 13:16:11 +02:00
87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
/*
|
|
* Copyright (C) 2002-2019 The DOSBox Team
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef DOSBOX_PCI_H
|
|
#define DOSBOX_PCI_H
|
|
|
|
//#define PCI_FUNCTIONALITY_ENABLED 0
|
|
|
|
#if defined PCI_FUNCTIONALITY_ENABLED
|
|
|
|
#define PCI_MAX_PCIDEVICES 10
|
|
#define PCI_MAX_PCIFUNCTIONS 8
|
|
|
|
|
|
class PCI_Device {
|
|
private:
|
|
Bits pci_id, pci_subfunction;
|
|
Bit16u vendor_id, device_id;
|
|
|
|
// subdevices declarations, they will respond to pci functions 1 to 7
|
|
// (main device is attached to function 0)
|
|
Bitu num_subdevices;
|
|
PCI_Device* subdevices[PCI_MAX_PCIFUNCTIONS-1];
|
|
|
|
public:
|
|
PCI_Device(Bit16u vendor, Bit16u device);
|
|
|
|
Bits PCIId(void) {
|
|
return pci_id;
|
|
}
|
|
Bits PCISubfunction(void) {
|
|
return pci_subfunction;
|
|
}
|
|
Bit16u VendorID(void) {
|
|
return vendor_id;
|
|
}
|
|
Bit16u DeviceID(void) {
|
|
return device_id;
|
|
}
|
|
|
|
void SetPCIId(Bitu number, Bits subfct);
|
|
|
|
bool AddSubdevice(PCI_Device* dev);
|
|
void RemoveSubdevice(Bits subfct);
|
|
|
|
PCI_Device* GetSubdevice(Bits subfct);
|
|
|
|
Bit16u NumSubdevices(void) {
|
|
if (num_subdevices>PCI_MAX_PCIFUNCTIONS-1) return (Bit16u)(PCI_MAX_PCIFUNCTIONS-1);
|
|
return (Bit16u)num_subdevices;
|
|
}
|
|
|
|
Bits GetNextSubdeviceNumber(void) {
|
|
if (num_subdevices>=PCI_MAX_PCIFUNCTIONS-1) return -1;
|
|
return (Bits)num_subdevices+1;
|
|
}
|
|
|
|
virtual Bits ParseReadRegister(Bit8u regnum)=0;
|
|
virtual bool OverrideReadRegister(Bit8u regnum, Bit8u* rval, Bit8u* rval_mask)=0;
|
|
virtual Bits ParseWriteRegister(Bit8u regnum,Bit8u value)=0;
|
|
virtual bool InitializeRegisters(Bit8u registers[256])=0;
|
|
|
|
};
|
|
|
|
bool PCI_IsInitialized();
|
|
|
|
RealPt PCI_GetPModeInterface(void);
|
|
|
|
#endif
|
|
|
|
#endif
|