Bochs/bochs/iodev/pcipnic.h

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/////////////////////////////////////////////////////////////////////////
// $Id: pcipnic.h,v 1.8 2007-09-28 19:52:03 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2003 Fen Systems Ltd.
// http://www.fensystems.co.uk/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifndef BX_IODEV_PCIPNIC_H
#define BX_IODEV_PCIPNIC_H
#include "pnic_api.h"
#if BX_USE_PCIPNIC_SMF
# define BX_PNIC_SMF static
# define BX_PNIC_THIS thePNICDevice->
# define BX_PNIC_THIS_PTR thePNICDevice
#else
# define BX_PNIC_SMF
# define BX_PNIC_THIS this->
# define BX_PNIC_THIS_PTR this
#endif
#define PNIC_DATA_SIZE 4096
#define PNIC_RECV_RINGS 4
typedef struct {
Bit32u base_ioaddr;
Bit8u macaddr[6];
Bit8u irqEnabled;
Bit16u rCmd; // Command register
Bit16u rStatus; // Status register
Bit16u rLength; // Length register
Bit8u rData[PNIC_DATA_SIZE]; // Data register array
Bit16u rDataCursor;
int recvIndex;
int recvQueueLength;
Bit8u recvRing[PNIC_RECV_RINGS][PNIC_DATA_SIZE]; // Receive buffer
Bit16u recvRingLength[PNIC_RECV_RINGS];
Bit8u devfunc;
Bit8u pci_conf[256];
} bx_pnic_t;
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class bx_pcipnic_c : public bx_ne2k_stub_c, bx_pci_device_stub_c {
public:
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bx_pcipnic_c();
virtual ~bx_pcipnic_c();
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virtual void init(void);
virtual void reset(unsigned type);
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virtual void register_state(void);
virtual void after_restore_state(void);
virtual Bit32u pci_read_handler(Bit8u address, unsigned io_len);
virtual void pci_write_handler(Bit8u address, Bit32u value, unsigned io_len);
private:
bx_pnic_t s;
static void set_irq_level(bx_bool level);
static void pnic_timer_handler(void *);
void pnic_timer(void);
static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
#if !BX_USE_PCIPNIC_SMF
Bit32u read(Bit32u address, unsigned io_len);
void write(Bit32u address, Bit32u value, unsigned io_len);
#endif
eth_pktmover_c *ethdev;
static void exec_command(void);
static void rx_handler(void *arg, const void *buf, unsigned len);
BX_PNIC_SMF void rx_frame(const void *buf, unsigned io_len);
};
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#endif