95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2003 Fen Systems Ltd.
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// http://www.fensystems.co.uk/
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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_PCIPNIC_H
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#define BX_IODEV_PCIPNIC_H
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#include "pnic_api.h"
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#if BX_USE_PCIPNIC_SMF
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# define BX_PNIC_SMF static
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# define BX_PNIC_THIS thePNICDevice->
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# define BX_PNIC_THIS_PTR thePNICDevice
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#else
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# define BX_PNIC_SMF
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# define BX_PNIC_THIS this->
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# define BX_PNIC_THIS_PTR this
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#endif
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#define PNIC_DATA_SIZE 4096
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#define PNIC_RECV_RINGS 4
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typedef struct {
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Bit8u macaddr[6];
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Bit8u irqEnabled;
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Bit16u rCmd; // Command register
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Bit16u rStatus; // Status register
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Bit16u rLength; // Length register
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Bit8u rData[PNIC_DATA_SIZE]; // Data register array
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Bit16u rDataCursor;
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int recvIndex;
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int recvQueueLength;
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Bit8u recvRing[PNIC_RECV_RINGS][PNIC_DATA_SIZE]; // Receive buffer
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Bit16u recvRingLength[PNIC_RECV_RINGS];
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Bit8u devfunc;
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} bx_pnic_t;
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class bx_pcipnic_c : public bx_ne2k_stub_c, bx_pci_device_stub_c {
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public:
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bx_pcipnic_c();
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virtual ~bx_pcipnic_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 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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private:
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bx_pnic_t s;
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static void set_irq_level(bx_bool level);
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static void pnic_timer_handler(void *);
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void pnic_timer(void);
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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_PCIPNIC_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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eth_pktmover_c *ethdev;
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static void exec_command(void);
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static void rx_handler(void *arg, const void *buf, unsigned len);
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BX_PNIC_SMF void rx_frame(const void *buf, unsigned io_len);
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};
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#endif
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