94 lines
3.2 KiB
C++
94 lines
3.2 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2002-2009 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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#define BX_MAX_PCI_DEVICES 20
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#define BX_PCI_DEVICE(device, function) ((device)<<3 | (function))
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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_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_device_stub_c;
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class bx_pci_bridge_c : public bx_pci_bridge_stub_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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virtual bx_bool register_pci_handlers(bx_pci_device_stub_c *device,
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Bit8u *devfunc, const char *name,
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const char *descr);
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virtual bx_bool is_pci_device(const char *name);
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virtual bx_bool pci_set_base_mem(void *this_ptr, memory_handler_t f1,
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memory_handler_t f2, Bit32u *addr,
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Bit8u *pci_conf, unsigned size);
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virtual bx_bool pci_set_base_io(void *this_ptr, bx_read_handler_t f1,
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bx_write_handler_t f2, Bit32u *addr,
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Bit8u *pci_conf, unsigned size,
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const Bit8u *iomask, const char *name);
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virtual Bit8u rd_memType(Bit32u addr);
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virtual Bit8u wr_memType(Bit32u addr);
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virtual Bit32u pci_read_handler(Bit8u address, unsigned io_len);
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virtual void pci_write_handler(Bit8u address, Bit32u value, unsigned io_len);
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virtual void debug_dump(void);
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private:
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Bit8u pci_handler_id[0x100]; // 256 devices/functions
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struct {
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bx_pci_device_stub_c *handler;
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} pci_handler[BX_MAX_PCI_DEVICES];
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unsigned num_pci_handlers;
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bx_bool slot_used[BX_N_PCI_SLOTS];
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bx_bool slots_checked;
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Bit32u confAddr;
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Bit32u confData;
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void smram_control(Bit8u value);
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static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
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static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
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#if !BX_USE_PCI_SMF
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Bit32u read(Bit32u address, unsigned io_len);
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void write(Bit32u address, Bit32u value, unsigned io_len);
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#endif
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};
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#endif
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