83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2002-2021 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library 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 GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef BX_IODEV_PCI_BRIDGE_H
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#define BX_IODEV_PCI_BRIDGE_H
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#if BX_USE_PCI_SMF
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# define BX_PCI_SMF static
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# define BX_PCI_THIS thePciBridge->
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#else
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# define BX_PCI_SMF
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# define BX_PCI_THIS this->
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#endif
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#define BX_PCI_DEVICE(device, function) ((device)<<3 | (function))
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#define BX_PCI_INTA 1
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#define BX_PCI_INTB 2
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#define BX_PCI_INTC 3
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#define BX_PCI_INTD 4
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class bx_pci_vbridge_c;
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class bx_pci_bridge_c : public bx_pci_device_c {
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public:
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bx_pci_bridge_c();
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virtual ~bx_pci_bridge_c();
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virtual void init(void);
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virtual void reset(unsigned type);
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virtual void register_state(void);
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virtual void after_restore_state(void);
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static bool agp_ap_read_handler(bx_phy_address addr, unsigned len, void *data, void *param);
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static bool agp_ap_write_handler(bx_phy_address addr, unsigned len, void *data, void *param);
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Bit32u agp_aperture_read(bx_phy_address addr, unsigned len, bool agp);
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void agp_aperture_write(bx_phy_address addr, Bit32u value, unsigned len, bool agp);
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virtual void pci_write_handler(Bit8u address, Bit32u value, unsigned io_len);
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#if BX_DEBUGGER
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virtual void debug_dump(int argc, char **argv);
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#endif
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private:
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void smram_control(Bit8u value);
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unsigned chipset;
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Bit8u DRBA[8];
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Bit8u dram_detect;
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Bit32u gart_base;
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bx_pci_vbridge_c *vbridge;
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};
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class bx_pci_vbridge_c : public bx_pci_device_c {
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public:
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bx_pci_vbridge_c();
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virtual ~bx_pci_vbridge_c();
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virtual void init(void);
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virtual void reset(unsigned type);
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virtual void register_state(void);
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virtual void after_restore_state(void);
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virtual void pci_write_handler(Bit8u address, Bit32u value, unsigned io_len);
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};
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#endif
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