# 2.11BSD#431 - /usr/src/sys/vaxif/if_hdhreg.h

##### Macros

    HDHABT            X
    HDHDONE           X
    HDHDTERR          X
    HDHEOS            X
    HDHEXLP           X
    HDHIACK           X
    HDHIMP            X
    HDHINIT           X
    HDHINLB           X
    HDHIOCABT         X
    HDHIOCERR         X
    HDHIOCOK          X
    HDHIOCOKP         X
    HDHIOCOVR         X
    HDHIOCUBE         X
    HDHLNACK          X
    HDHLNDN           X
    HDHLNUP           X
    HDHLOOP           X
    HDHNUMR           X
    HDHRDB            X
    HDHREFL           X
    HDHRQDN           X
    HDHRQST           X
    HDHRQUP           X
    HDHSACK           X
    HDHSQERR          X
    HDHSQRCV          X
    HDHSTR            X
    HDHSUP            X
    HDHTIMO           X
    HDHUMR            X
    HDHWRT            X
    HDHXABT           X
    HDHXEVN           X
    HDHXODD           X
    HDHXREQ           X
    HDH_BITS          X
    HDH_DMA           X
    HDH_IEN           X
    HDH_MAIN          X
    HDH_MBLK          X
    HDH_NMI           X
    HDH_NXM           X
    HDH_PER           X
    HDH_RST           X
    HDH_SRV           X
    HDH_UER           X
    HDH_WRT           X
    HDH_ZGO           X
    HDH_ZRUN          X

##### struct's

    hdhregs           X

       1: /*	@(#)if_hdhreg.h	7.1 (Berkeley) 6/5/86 */
       2:
       3:
       4: /* $Header$ */
       5:
       6: /*
       7:  * ACC IF-11/HDH interface
       8:  */
       9:
      10: struct hdhregs {            /* device registers */
      11:     u_short csr;            /* control and status register */
      12:     u_char  iochn;          /* logical channel */
      13:     u_char  ioadx;          /* address extension (A16,A17) */
      14:     u_short ioadl;          /* buffer address (A0-A15) */
      15:     u_short iocnt;          /* byte count */
      16:     u_char  iofcn;          /* UMC funciton code */
      17:     u_char  iosbf;          /* UMC subfunction code */
      18:     u_char  ioini;          /* comm regs valid flag */
      19:     u_char  staack;         /* interrupt acknowledge flag */
      20:     u_char  ionmi;          /* NMI routine active flag */
      21:     u_char  ioxfrg;         /* UMR transfer grant flag */
      22:     u_char  stachn;         /* interrupt channel number */
      23:     u_char  statyp;         /* interrupt type code */
      24:     u_char  stacc;          /* completion function code */
      25:     u_char  stacs;          /* completion subfunction code */
      26:     u_short stacnt;         /* completion byte count */
      27: };
      28:
      29: /* defines for CSR */
      30:
      31: #define HDH_UER     0100000     /* UMC error condition */
      32: #define HDH_NXM     0040000     /* non-existent memory error */
      33: #define HDH_PER     0020000     /* UNIBUS parity error */
      34: #define HDH_ZRUN    0010000     /* Z80 running */
      35: #define HDH_ZGO     0004000     /* Z80 not in wait state */
      36: #define HDH_MBLK    0000200     /* memory swap state (0=main, 1=srv) */
      37: #define HDH_SRV     0000100     /* select UMC service memory */
      38: #define HDH_MAIN    0000040     /* select UMC main memory */
      39: #define HDH_DMA     0000020     /* DMA enable */
      40: #define HDH_WRT     0000010     /* DMA write enable */
      41: #define HDH_IEN     0000004     /* interrupt enable */
      42: #define HDH_RST     0000002     /* reset */
      43: #define HDH_NMI     0000001     /* cause NMI */
      44:
      45: #define HDH_BITS \
      46: "\10\20UER\17NXM\16PER\15ZRUN\14ZGO\10MBLK\7SRV\6MAIN\5DMA\4WRT\3IEN\2RST\1NMI"
      47:
      48: /* start i/o function code definitions */
      49:
      50: #define HDHWRT      0   /* write to if-11 */
      51: #define HDHRDB      1   /* read from if-11 */
      52: #define HDHSTR      2   /* stream flag */
      53: #define HDHEOS      6   /* end of stream flag */
      54: #define HDHABT      8   /* abort flag */
      55: #define HDHUMR      16  /* UMR protocol flag */
      56:
      57: /* interrupt type definitions */
      58:
      59: #define HDHSACK     0   /* start i/o ack */
      60: #define HDHDONE     1   /* i/o completion */
      61: #define HDHXREQ     2   /* UMR protocol transfer request */
      62:
      63: /* i/o completion codes */
      64:
      65: #define HDHIOCOK    0001    /* successful completion */
      66: #define HDHIOCOKP   0002    /* successful completion, more data pending */
      67: #define HDHIOCABT   0361    /* i/o aborted */
      68: #define HDHIOCERR   0321    /* program error */
      69: #define HDHIOCOVR   0363    /* overrun error */
      70: #define HDHIOCUBE   0374    /* non-existant memory or unibus error */
      71:
      72: /* UMR protocol transfer grant code definitions */
      73:
      74: #define HDHXEVN     1   /* start with even address */
      75: #define HDHXODD     2   /* start with odd address */
      76: #define HDHNUMR     4   /* non-UMR transfer */
      77: #define HDHXABT     8   /* abort transfer */
      78:
      79: /* HDH supervisor request code definitions */
      80: #define HDHINIT     0x42    /* SYSINIT opcode */
      81:
      82: #define HDHSUP      0xf0    /* supervisor HDH status/line control prefix */
      83: #define HDHIMP      0x400   /* IMP line up modifier */
      84: #define HDHREFL     0x800   /* reflect mode modifier */
      85: #define HDHINLB     0x1000  /* internal loopback modifier */
      86: #define HDHEXLP     0x2000  /* external loopback modifier */
      87: #define HDHRQST     (HDHSUP+0x0000) /* line status request */
      88: #define HDHRQUP     (HDHSUP+0x0100) /* line up request */
      89: #define HDHRQDN     (HDHSUP+0x0200) /* line down request */
      90:
      91: /* HDH supervisor reply code definitions */
      92:
      93: #define HDHIACK     (HDHSUP+0x4200) /* line init ack */
      94: #define HDHLNUP     (HDHSUP+0x0100) /* line up reply */
      95: #define HDHLNDN     (HDHSUP+0x0200) /* line down reply */
      96: #define HDHLNACK    (HDHSUP+0x0300) /* ack line up request (but line is down now) */
      97: #define HDHTIMO     (HDHSUP+0x0400) /* line timeout */
      98: #define HDHLOOP     (HDHSUP+0x0500) /* loopback message */
      99: #define HDHDTERR    (HDHSUP+0x0600) /* host data error detected */
     100: #define HDHSQRCV    (HDHSUP+0x0700) /* HDLC sequence error detected by IMP */
     101: #define HDHSQERR    (HDHSUP+0x0800) /* HDLC sequence error detected by if-11 */

#### Defined struct's

hdhregs defined in line 10; never used

#### Defined macros

HDHABT defined in line 54; never used
HDHDONE defined in line 60; never used
HDHDTERR defined in line 99; never used
HDHEOS defined in line 53; never used
HDHEXLP defined in line 86; never used
HDHIACK defined in line 93; never used
HDHIMP defined in line 83; never used
HDHINIT defined in line 80; never used
HDHINLB defined in line 85; never used
HDHIOCABT defined in line 67; never used
HDHIOCERR defined in line 68; never used
HDHIOCOK defined in line 65; never used
HDHIOCOKP defined in line 66; never used
HDHIOCOVR defined in line 69; never used
HDHIOCUBE defined in line 70; never used
HDHLNACK defined in line 96; never used
HDHLNDN defined in line 95; never used
HDHLNUP defined in line 94; never used
HDHLOOP defined in line 98; never used
HDHNUMR defined in line 76; never used
HDHRDB defined in line 51; never used
HDHREFL defined in line 84; never used
HDHRQDN defined in line 89; never used
HDHRQST defined in line 87; never used
HDHRQUP defined in line 88; never used
HDHSACK defined in line 59; never used
HDHSQERR defined in line 101; never used
HDHSQRCV defined in line 100; never used
HDHSTR defined in line 52; never used
HDHSUP defined in line 82; used 12 times

- in line 87-101(12)

HDHTIMO defined in line 97; never used
HDHUMR defined in line 55; never used
HDHWRT defined in line 50; never used
HDHXABT defined in line 77; never used
HDHXEVN defined in line 74; never used
HDHXODD defined in line 75; never used
HDHXREQ defined in line 61; never used
HDH_BITS defined in line 45; never used
HDH_DMA defined in line 39; never used
HDH_IEN defined in line 41; never used
HDH_MAIN defined in line 38; never used
HDH_MBLK defined in line 36; never used
HDH_NMI defined in line 43; never used
HDH_NXM defined in line 32; never used
HDH_PER defined in line 33; never used
HDH_RST defined in line 42; never used
HDH_SRV defined in line 37; never used
HDH_UER defined in line 31; never used
HDH_WRT defined in line 40; never used
HDH_ZGO defined in line 35; never used
HDH_ZRUN defined in line 34; never used

Last modified: 1986-06-05 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 320 |