iodev/pci2isa.h

   1 /////////////////////////////////////////////////////////////////////////
   2 // $Id: pci2isa.h,v 1.15 2007/09/28 19:52:03 sshwarts Exp $
   3 /////////////////////////////////////////////////////////////////////////
   4 //
   5 //  Copyright (C) 2002  MandrakeSoft S.A.
   6 //
   7 //    MandrakeSoft S.A.
   8 //    43, rue d'Aboukir
   9 //    75002 Paris - France
  10 //    http://www.linux-mandrake.com/
  11 //    http://www.mandrakesoft.com/
  12 //
  13 //  This library is free software; you can redistribute it and/or
  14 //  modify it under the terms of the GNU Lesser General Public
  15 //  License as published by the Free Software Foundation; either
  16 //  version 2 of the License, or (at your option) any later version.
  17 //
  18 //  This library is distributed in the hope that it will be useful,
  19 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21 //  Lesser General Public License for more details.
  22 //
  23 //  You should have received a copy of the GNU Lesser General Public
  24 //  License along with this library; if not, write to the Free Software
  25 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  26
  27
  28 #ifndef BX_IODEV_PIC2ISA_H
  29 #define BX_IODEV_PIC2ISA_H
  30
  31 #if BX_USE_P2I_SMF
  32 #  define BX_P2I_SMF  static
  33 #  define BX_P2I_THIS thePci2IsaBridge->
  34 #else
  35 #  define BX_P2I_SMF
  36 #  define BX_P2I_THIS this->
  37 #endif
  38
  39
  40 class bx_piix3_c : public bx_pci2isa_stub_c {
  41 public:
  42   bx_piix3_c();
  43   virtual ~bx_piix3_c();
  44   virtual void init(void);
  45   virtual void reset(unsigned type);
  46   virtual void pci_set_irq(Bit8u devfunc, unsigned line, bx_bool level);
  47   virtual void register_state(void);
  48   virtual void after_restore_state(void);
  49
  50   virtual Bit32u pci_read_handler(Bit8u address, unsigned io_len);
  51   virtual void   pci_write_handler(Bit8u address, Bit32u value, unsigned io_len);
  52
  53 private:
  54
  55   struct {
  56     Bit8u pci_conf[256];
  57     Bit8u elcr1;
  58     Bit8u elcr2;
  59     Bit8u apmc;
  60     Bit8u apms;
  61     Bit8u irq_registry[16];
  62     Bit32u irq_level[16];
  63     Bit8u pci_reset;
  64   } s;
  65
  66   static void pci_register_irq(unsigned pirq, unsigned irq);
  67   static void pci_unregister_irq(unsigned pirq);
  68
  69   static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
  70   static void   write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
  71 #if !BX_USE_P2I_SMF
  72   Bit32u read(Bit32u address, unsigned io_len);
  73   void   write(Bit32u address, Bit32u value, unsigned io_len);
  74 #endif
  75 };
  76
  77 #endif