ne2000monic.h

MONA是为数不多的C++语言编写的一个很小的操作系统

/*!
    \file  Ne2000MoNic.h
    \brief Ne2000僪儔僀僶僋儔僗 僿僢僟

    Copyright (c) 2004 Yamami
    All rights reserved.
    License=MIT/X Licnese

    \author  Yamami 
    \version $Revision: 1.3 $
    \date   create:2004/08/08 update:$Date: 2004/10/31 14:29:43 $
*/
#ifndef _MONA_NE2000MONIC_
#define _MONA_NE2000MONIC_

#include <sys/types.h>
#include <monapi.h>
#include "AbstractMonic.h"


// NE2000 奺庬掕媊 from ne2000.h
// 僀乕僒僱僢僩掕悢掕媊

#define     ETHER_HEADER_SIZE   14      /* 僿僢僟乕僒僀僘 */
#define     ETHER_MIN_PACKET    64      /* 嵟彫僷働僢僩僒僀僘 */
#define     ETHER_MAX_PACKET    1514    /* 嵟戝僷働僢僩僒僀僘 */


// NE2000 掕悢掕媊


//BOCHS ISA NE2000
//#define     NE_BASE             0x240
#define     NE_BASE             nicIo_Base
// QEMU PCI NE2000
//#define     NE_BASE             0xC100
#define     NE_ASIC             NE_BASE + 0x10
#define     NE_ASIC_DATA        NE_ASIC
#define     NE_ASIC_RESET       NE_ASIC + 0x0f


//Yamami
#define NE_MEM_START        64       /* 僶僢僼傽儊儌儕奐巒儁乕僕斣崋    (傾僪儗僗4000h) */
#define NE_MEM_END      128           /* 僶僢僼傽儊儌儕廔椆儁乕僕斣崋  (傾僪儗僗8000h) */
#define NE_PAGE_SIZE        256      /* 侾儁乕僕偺僶僀僩悢 */
#define NE_TX_PAGE_START    0x40     /* =64 憲怣僶僢僼傽奐巒儁乕僕斣崋 */
#define NE_RX_PAGE_START    0x46     /* =70 庴怣僶僢僼傽奐巒儁乕僕斣崋 */
#define NE_RX_PAGE_STOP     0x80     /* =128 庴怣僶僢僼傽廔椆儁乕僕斣崋 */

//僆儕僕僫儖
//#define     NE_MEM_START        64   /* 僶僢僼傽儊儌儕奐巒儁乕僕斣崋 (傾僪儗僗4000h) */
//#define     NE_MEM_END          128  /* 僶僢僼傽儊儌儕廔椆儁乕僕斣崋  (傾僪儗僗8000h) */
//#define     NE_PAGE_SIZE        256  /* 侾儁乕僕偺僶僀僩悢 */
//#define     NE_TX_PAGE_START    64   /* 憲怣僶僢僼傽奐巒儁乕僕斣崋 */
//#define     NE_RX_PAGE_START    70   /* 庴怣僶僢僼傽奐巒儁乕僕斣崋 */
//#define     NE_RX_PAGE_STOP     128  /* 庴怣僶僢僼傽廔椆儁乕僕斣崋 */

//H8傛傝
//#define NE_MEM_START        64       /* 僶僢僼傽儊儌儕奐巒儁乕僕斣崋    (傾僪儗僗4000h) */
//#define NE_MEM_END      12           /* 僶僢僼傽儊儌儕廔椆儁乕僕斣崋  (傾僪儗僗8000h) */
//#define NE_PAGE_SIZE        256      /* 侾儁乕僕偺僶僀僩悢 */
//#define NE_TX_PAGE_START    0x40     /* 憲怣僶僢僼傽奐巒儁乕僕斣崋 */
//#define NE_RX_PAGE_START    0x46     /* 庴怣僶僢僼傽奐巒儁乕僕斣崋 */
//#define NE_RX_PAGE_STOP     0x80     /* 庴怣僶僢僼傽廔椆儁乕僕斣崋 */



// NE2000 儗僕僗僞傾僪儗僗掕媊

#define     NE_P0_COMMAND       NE_BASE+0
#define     NE_P0_PSTART        NE_BASE+1
#define     NE_P0_PSTOP         NE_BASE+2
#define     NE_P0_BNRY          NE_BASE+3   /* Boundary Reg */
#define     NE_P0_TSR           NE_BASE+4   /* Transmit Status Reg */
#define     NE_P0_TPSR          NE_BASE+4   /* Transmit Page Start Address Reg */
#define     NE_P0_TBCR0         NE_BASE+5   /* Transmit Byte Counter Reg */
#define     NE_P0_NCR           NE_BASE+5   /* Nubmer of Collisions */
#define     NE_P0_TBCR1         NE_BASE+6
#define     NE_P0_ISR           NE_BASE+7   /* Interrupt Status Reg */
#define     NE_P0_RSAR0         NE_BASE+8   /* Remote Start Address Reg */
#define     NE_P0_RSAR1         NE_BASE+9
#define     NE_P0_RBCR0         NE_BASE+0xa /* Remote Byte Count Reg */
#define     NE_P0_RBCR1         NE_BASE+0xb
#define     NE_P0_RSR           NE_BASE+0xc /* Receive Status Reg */
#define     NE_P0_RCR           NE_BASE+0xc /* Receive Configuration Reg */
#define     NE_P0_TCR           NE_BASE+0xd /* Transmit Configuration Reg */
#define     NE_P0_DCR           NE_BASE+0xe /* Data Configuration Reg */
#define     NE_P0_IMR           NE_BASE+0xf /* Interrupt Mask Reg */
#define     NE_P0_CNTR0         NE_BASE+0xd
#define     NE_P0_CNTR1         NE_BASE+0xe
#define     NE_P0_CNTR2         NE_BASE+0xf

#define     NE_P1_COMMAND       NE_BASE+0
#define     NE_P1_PAR0          NE_BASE+1   /* Physical Addres Reg */
#define     NE_P1_PAR1          NE_BASE+2
#define     NE_P1_PAR2          NE_BASE+3
#define     NE_P1_PAR3          NE_BASE+4
#define     NE_P1_PAR4          NE_BASE+5
#define     NE_P1_PAR5          NE_BASE+6
#define     NE_P1_CURR          NE_BASE+7   /* Current Page Reg */
#define     NE_P1_MAR0          NE_BASE+8   /* Multicast Address Reg */

// NE2000 儗僕僗僞掕悢掕媊
#define     NE_CR_PS0           0           /* Page 0 Select */
#define     NE_CR_PS1           0x40        /* Page 1 Select */
#define     NE_CR_PS2           0x80        /* Page 2 Select */
#define     NE_CR_RD0           8           /* Remote DMA Control */
#define     NE_CR_RD1           0x10
#define     NE_CR_RD2           0x20
#define     NE_CR_TXP           4           /* Transmit packet */
#define     NE_CR_STA           2           /* start */
#define     NE_CR_STP           1           /* stop */

#define     NE_RCR_AB           4           /* accept broadcast */
#define     NE_RCR_APROMIS      0x10        /* PROMISCUOUS PHYSICAL: */
#define     NE_RCR_MON          0x20        /* monitor mode */

#define     NE_DCR_FT1          0x40        /* fifo */
#define     NE_DCR_LS           8           /* Loopback select */
#define     NE_DCR_WTS          1           /* Word Transfer select */

#define     NE_ISR_PRX          1           /* successful receive */
#define     NE_ISR_PTX          2           /* successful trasmit */
#define     NE_ISR_RXE          4           /* receive error */
#define     NE_ISR_TXE          8           /* transmit error */
#define     NE_ISR_OVW          0x10        /* overflow */
#define     NE_ISR_CNT          0x20        /* counter overflow */
#define     NE_ISR_RDC          0x40        /* Remote DMA complete */
#define     NE_ISR_RST          0x80        /* reset */

#define     NE_IMR_PRXE         1           /* successful receive */
#define     NE_IMR_PTXE         2           /* successful trasmit */
#define     NE_IMR_RXEE         4           /* receive error */
#define     NE_IMR_TXEE         8           /* transmit error */
#define     NE_IMR_OVWE         0x10        /* overflow */
#define     NE_IMR_CNTE         0x20        /* counter overflow */
#define     NE_IMR_RDCE         0x40        /* Remote DMA complete */

#define     NE_RSTAT_PRX        1           /* successful receive */
#define     NE_RSTAT_CRC        2           /* CRC error */
#define     NE_RSTAT_FAE        4           /* Frame alignment error */
#define     NE_RSTAT_OVER       8           /* overflow */

#define     NE_TSR_ABT          8           /* Transmit Aborted */

#define     NE_TCR_LB0          2           /* Internal loopback */

#define     ne_cr_proto         NE_CR_RD2


const byte ne_test_pattern[]="NE2000 test message.\n";


/*!
    Ne2000MoNic class
*/
class Ne2000MoNic : public AbstractMonic
{
    
  public:
    
    //僐儞僗僩儔僋僞
    Ne2000MoNic();
    
    //NIC弶婜壔張棟 
    int init();
    
    void frame_input(void);
    void frame_output( byte *, byte *, dword, word );
    int nic_probe(void);
    
    
    void enableNetWork(void);
    void disableNetWork(void);
    

    //NIC IRQ 僎僢僞乕丄僙僢僞乕
    int getNicIRQ();
    void setNicIRQ(int);
    
    //NIC IOBASE 僎僢僞乕丄僙僢僞乕
    int getNicIOBASE();
    void setNicIOBASE(int);

  private:
    //偙偺NIC偺IRQ斣崋
    int nicIRQ;
    //偙偺NIC偺I/O BASE
    int nicIo_Base;
    
    //NE2000 摿桳弶婜壔張棟
    void nic_init(void);
    
    void ne_pio_writemem( byte *, dword, dword );
    void ne_pio_readmem( dword, byte *, dword );
    int ne_bcompare( byte *, byte *, dword );
    void xfer_buf( byte *, byte *, dword, dword *, dword, dword,dword );
    
    //private儊儞僶
    /* 庴怣儕儞僌僶僢僼傽偺儕儞僋忣曬椞堟傪撉傒崬傓偲偙傠 */
    /* ne_ring_buffer */
    byte       ne_ringbuf_status;
    byte       ne_ringbuf_bound;
    dword        ne_ringbuf_len;

    dword        ne_rx_start;      /* 庴怣僷働僢僩杮懱偺奐巒傾僪儗僗 */
    
    byte       ne_rx_bound;      /* 庴怣屻偺嫬奅儗僕僗僞抣 */
    dword        ne_rx_write_p;    /* 庴怣僷働僢僩彂偒崬傒傾僪儗僗 */
    dword        ne_rx_sub_len;    /* 愜傝曉偟暘偺挿偝 */
    dword        ne_rx_remain_len; /* 巆傝偺挿偝(愜傝曉偟偑側偄偲偒偼杮懱偺挿偝偲摨偠) */
    
    /* NE2000 儚乕僋僄儕傾 */
    int        ne_sizeof_test_pattern;
    byte       ne_test_buffer[20];
    
    
};

#endif