mpc860.h

文件内包含了nuclues的内核代码和针对Power PC的编译器。需要用VirtNet生成一个虚拟网卡才可使用

/*****************************************************************
        HDLC parameter RAM
*****************************************************************/

struct hdlc_pram {
    /*
     * SCC parameter RAM
     */
    unsigned short       rbase;         /* RX BD base address */
    unsigned short       tbase;         /* TX BD base address */
    unsigned char        rfcr;          /* Rx function code */
    unsigned char        tfcr;          /* Tx function code */
    unsigned short       mrblr;         /* Rx buffer length */
    unsigned long        rstate;        /* Rx internal state */
    unsigned long        rptr;          /* Rx internal data pointer */
    unsigned short       rbptr;         /* rb BD Pointer */
    unsigned short       rcount;        /* Rx internal byte count */
    unsigned long        rtemp;         /* Rx temp */
    unsigned long        tstate;        /* Tx internal state */
    unsigned long        tptr;          /* Tx internal data pointer */
    unsigned short       tbptr;         /* Tx BD pointer */
    unsigned short       tcount;        /* Tx byte count */
    unsigned long        ttemp;         /* Tx temp */
    unsigned long        rcrc;          /* temp receive CRC */
    unsigned long        tcrc;          /* temp transmit CRC */

    /*
     * HDLC specific parameter RAM
     */
    unsigned char        RESERVED1[4];  /* Reserved area */
    unsigned long        c_mask;        /* CRC constant */
    unsigned long        c_pres;        /* CRC preset */
    unsigned short       disfc;         /* discarded frame counter */
    unsigned short       crcec;         /* CRC error counter */
    unsigned short       abtsc;         /* abort sequence counter */
    unsigned short       nmarc;         /* nonmatching address rx cnt */
    unsigned short       retrc;         /* frame retransmission cnt */
    unsigned short       mflr;          /* maximum frame length reg */
    unsigned short       max_cnt;       /* maximum length counter */
    unsigned short       rfthr;         /* received frames threshold */
    unsigned short       rfcnt;         /* received frames count */
    unsigned short       hmask;         /* user defined frm addr mask */
    unsigned short       haddr1;        /* user defined frm address 1 */
    unsigned short       haddr2;        /* user defined frm address 2 */
    unsigned short       haddr3;        /* user defined frm address 3 */
    unsigned short       haddr4;        /* user defined frm address 4 */
    unsigned short       tmp;           /* temp */
    unsigned short       tmp_mb;        /* temp */
};


/*****************************************************************
        ASYNC HDLC parameter RAM
*****************************************************************/

struct async_hdlc_pram {
    /*
     * SCC parameter RAM
     */
    unsigned short       rbase;         /* RX BD base address */
    unsigned short       tbase;         /* TX BD base address */
    unsigned char        rfcr;          /* Rx function code */
    unsigned char        tfcr;          /* Tx function code */
    unsigned short       mrblr;         /* Rx buffer length */
    unsigned long        rstate;        /* Rx internal state */
    unsigned long        rptr;          /* Rx internal data pointer */
    unsigned short       rbptr;         /* rb BD Pointer */
    unsigned short       rcount;        /* Rx internal byte count */
    unsigned long        rtemp;         /* Rx temp */
    unsigned long        tstate;        /* Tx internal state */
    unsigned long        tptr;          /* Tx internal data pointer */
    unsigned short       tbptr;         /* Tx BD pointer */
    unsigned short       tcount;        /* Tx byte count */
    unsigned long        ttemp;         /* Tx temp */
    unsigned long        rcrc;          /* temp receive CRC */
    unsigned long        tcrc;          /* temp transmit CRC */

    /*
     * ASYNC HDLC specific parameter RAM
     */
    unsigned char        RESERVED1[4];  /* Reserved area */
    unsigned long        c_mask;        /* CRC constant */
    unsigned long        c_pres;        /* CRC preset */
    unsigned short       bof;           /* begining of flag character */
    unsigned short       eof;           /* end of flag character */
    unsigned short       esc;           /* control escape character */
    unsigned char        RESERVED2[4];  /* Reserved area */
    unsigned short       zero;          /* zero */
    unsigned char        RESERVED3[2];  /* Reserved area */
    unsigned short       rfthr;         /* received frames threshold */
    unsigned char        RESERVED4[4];  /* Reserved area */
    unsigned long        txctl_tbl;     /* Tx ctl char mapping table */
    unsigned long        rxctl_tbl;     /* Rx ctl char mapping table */
    unsigned short       nof;           /* Number of opening flags */
};


/*****************************************************************
        UART parameter RAM
*****************************************************************/

/*
 * bits in uart control characters table
 */
#define   CC_INVALID    0x8000          /* control character is valid */
#define   CC_REJ        0x4000          /* don't store char in buffer */
#define   CC_CHAR       0x00ff          /* control character */

/* UART */
struct uart_pram {
    /*
     * SCC parameter RAM
     */
    unsigned short       rbase;         /* RX BD base address */
    unsigned short       tbase;         /* TX BD base address */
    unsigned char        rfcr;          /* Rx function code */
    unsigned char        tfcr;          /* Tx function code */
    unsigned short       mrblr;         /* Rx buffer length */
    unsigned long        rstate;        /* Rx internal state */
    unsigned long        rptr;          /* Rx internal data pointer */
    unsigned short       rbptr;         /* rb BD Pointer */
    unsigned short       rcount;        /* Rx internal byte count */
    unsigned long        rx_temp;       /* Rx temp */
    unsigned long        tstate;        /* Tx internal state */
    unsigned long        tptr;          /* Tx internal data pointer */
    unsigned short       tbptr;         /* Tx BD pointer */
    unsigned short       tcount;        /* Tx byte count */
    unsigned long        ttemp;         /* Tx temp */
    unsigned long        rcrc;          /* temp receive CRC */
    unsigned long        tcrc;          /* temp transmit CRC */

    /*
     * UART specific parameter RAM
     */
    unsigned char        RESERVED1[8];  /* Reserved area */
    unsigned short       max_idl;       /* maximum idle characters */
    unsigned short       idlc;          /* rx idle counter (internal) */
    unsigned short       brkcr;         /* break count register */
    unsigned short       parec;         /* Rx parity error counter */
    unsigned short       frmer;         /* Rx framing error counter */
    unsigned short       nosec;         /* Rx noise counter */
    unsigned short       brkec;         /* Rx break character counter */
    unsigned short       brkln;         /* Receive break length */
    unsigned short       uaddr1;        /* address character 1 */
    unsigned short       uaddr2;        /* address character 2 */
    unsigned short       rtemp;         /* temp storage */
    unsigned short       toseq;         /* Tx out of sequence char */
    unsigned short       cc[8];         /* Rx control characters */
    unsigned short       rccm;          /* Rx control char mask */
    unsigned short       rccr;          /* Rx control char register */
    unsigned short       rlbc;          /* Receive last break char */
};



/*****************************************************************
        BISYNC parameter RAM
*****************************************************************/

struct bisync_pram {
    /*
     * SCC parameter RAM
     */
    unsigned short       rbase;         /* RX BD base address */
    unsigned short       tbase;         /* TX BD base address */
    unsigned char        rfcr;          /* Rx function code */
    unsigned char        tfcr;          /* Tx function code */
    unsigned short       mrblr;         /* Rx buffer length */
    unsigned long        rstate;        /* Rx internal state */
    unsigned long        rptr;          /* Rx internal data pointer */
    unsigned short       rbptr;         /* rb BD Pointer */
    unsigned short       rcount;        /* Rx internal byte count */
    unsigned long        rtemp;         /* Rx temp */
    unsigned long        tstate;        /* Tx internal state */
    unsigned long        tptr;          /* Tx internal data pointer */
    unsigned short       tbptr;         /* Tx BD pointer */
    unsigned short       tcount;        /* Tx byte count */
    unsigned long        ttemp;         /* Tx temp */
    unsigned long        rcrc;          /* temp receive CRC */
    unsigned long        tcrc;          /* temp transmit CRC */

    /*
     * BISYNC specific parameter RAM
     */
    unsigned char        RESERVED1[4];  /* Reserved area */
    unsigned long        crcc;          /* CRC Constant Temp Value */
    unsigned short       prcrc;         /* Preset Receiver CRC-16/LRC */
    unsigned short       ptcrc;         /* Preset Transmitter CRC-16/LRC */
    unsigned short       parec;         /* Receive Parity Error Counter */
    unsigned short       bsync;         /* BISYNC SYNC Character */
    unsigned short       bdle;          /* BISYNC DLE Character */
    unsigned short       cc[8];         /* Rx control characters */
    unsigned short       rccm;          /* Receive Control Character Mask */
};

/*****************************************************************
        IOM2 parameter RAM
        (overlaid on tx bd[5] of SCC channel[2])
*****************************************************************/
struct iom2_pram {
    unsigned short       ci_data;       /* ci data */
    unsigned short       monitor_data;  /* monitor data */
    unsigned short       tstate;        /* transmitter state */
    unsigned short       rstate;        /* receiver state */
};

/*****************************************************************
        SPI/SMC parameter RAM
        (overlaid on tx bd[6,7] of SCC channel[2])
*****************************************************************/

#define        SPI_R        0x8000      /* Ready bit in BD */

struct spi_pram {
    unsigned short       rbase;         /* Rx BD Base Address */
    unsigned short       tbase;         /* Tx BD Base Address */
    unsigned char        rfcr;          /* Rx function code */
    unsigned char        tfcr;          /* Tx function code */
    unsigned short       mrblr;         /* Rx buffer length */
    unsigned long        rstate;        /* Rx internal state */
    unsigned long        rptr;          /* Rx internal data pointer */
    unsigned short       rbptr;         /* rb BD Pointer */
    unsigned short       rcount;        /* Rx internal byte count */
    unsigned long        rtemp;         /* Rx temp */
    unsigned long        tstate;        /* Tx internal state */
    unsigned long        tptr;          /* Tx internal data pointer */
    unsigned short       tbptr;         /* Tx BD pointer */
    unsigned short       tcount;        /* Tx byte count */
    unsigned long        ttemp;         /* Tx temp */
};

struct smc_uart_pram {
    unsigned short       rbase;         /* Rx BD Base Address */
    unsigned short       tbase;         /* Tx BD Base Address */
    unsigned char        rfcr;          /* Rx function code */
    unsigned char        tfcr;          /* Tx function code */
    unsigned short       mrblr;         /* Rx buffer length */
    unsigned long        rstate;        /* Rx internal state */
    unsigned long        rptr;          /* Rx internal data pointer */
    unsigned short       rbptr;         /* rb BD Pointer */
    unsigned short       rcount;        /* Rx internal byte count */
    unsigned long        rtemp;         /* Rx temp */
    unsigned long        tstate;        /* Tx internal state */
    unsigned long        tptr;          /* Tx internal data pointer */
    unsigned short       tbptr;         /* Tx BD pointer */
    unsigned short       tcount;        /* Tx byte count */