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Annotation of 43BSDReno/sys/hpdev/fhpib.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution is only permitted until one year after the first shipment
        !             6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !             7:  * binary forms are permitted provided that: (1) source distributions retain
        !             8:  * this entire copyright notice and comment, and (2) distributions including
        !             9:  * binaries display the following acknowledgement:  This product includes
        !            10:  * software developed by the University of California, Berkeley and its
        !            11:  * contributors'' in the documentation or other materials provided with the
        !            12:  * distribution and in all advertising materials mentioning features or use
        !            13:  * of this software.  Neither the name of the University nor the names of
        !            14:  * its contributors may be used to endorse or promote products derived from
        !            15:  * this software without specific prior written permission.
        !            16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            19:  *
        !            20:  *     @(#)fhpib.c     7.1 (Berkeley) 5/8/90
        !            21:  */
        !            22: 
        !            23: /*
        !            24:  * 98625A/B HPIB driver
        !            25:  */
        !            26: #include "hpib.h"
        !            27: #if NHPIB > 0
        !            28: 
        !            29: #include "param.h"
        !            30: #include "systm.h"
        !            31: #include "buf.h"
        !            32: #include "device.h"
        !            33: #include "fhpibreg.h"
        !            34: #include "hpibvar.h"
        !            35: #include "dmavar.h"
        !            36: 
        !            37: /*
        !            38:  * Inline version of fhpibwait to be used in places where
        !            39:  * we don't worry about getting hung.
        !            40:  */
        !            41: #define        FHPIBWAIT(hd, m)        while (((hd)->hpib_intr & (m)) == 0)
        !            42: 
        !            43: #ifdef DEBUG
        !            44: int    fhpibdebugunit = -1;
        !            45: int    fhpibdebug = 0;
        !            46: #define FDB_FAIL       0x01
        !            47: #define FDB_DMA                0x02
        !            48: #define FDB_WAIT       0x04
        !            49: #define FDB_PPOLL      0x08
        !            50: 
        !            51: int    dopriodma = 0;  /* use high priority DMA */
        !            52: int    doworddma = 1;  /* non-zero if we should attempt word dma */
        !            53: int    dolworddma = 1; /* use longword dma (scsi) */
        !            54: int    doppollint = 1; /* use ppoll interrupts instead of watchdog */
        !            55: 
        !            56: long   fhpibbadint[2] = { 0 };
        !            57: long   fhpibtransfer[NHPIB] = { 0 };
        !            58: long   fhpibnondma[NHPIB] = { 0 };
        !            59: long   fhpibworddma[NHPIB] = { 0 };
        !            60: long   fhpibremain[NHPIB] = { 0 };
        !            61: long   fhpibloops[NHPIB] = { 0 };
        !            62: 
        !            63: #endif
        !            64: 
        !            65: int    fhpibcmd[NHPIB];
        !            66: int    dmathresh = 3;  /* char count beyond which we will attempt dma */
        !            67: 
        !            68: extern int hpibtimeout;
        !            69: 
        !            70: fhpibtype(hc)
        !            71:        register struct hp_ctlr *hc;
        !            72: {
        !            73:        register struct hpib_softc *hs = &hpib_softc[hc->hp_unit];
        !            74:        register struct fhpibdevice *hd = (struct fhpibdevice *)hc->hp_addr;
        !            75: 
        !            76:        if (hd->hpib_cid != HPIBC)
        !            77:                return(0);
        !            78:        hs->sc_type = HPIBC;
        !            79:        hs->sc_ba = HPIBC_BA;
        !            80:        hc->hp_ipl = HPIB_IPL(hd->hpib_ids);
        !            81:        return(1);
        !            82: }
        !            83: 
        !            84: fhpibreset(unit)
        !            85: {
        !            86:        register struct hpib_softc *hs = &hpib_softc[unit];
        !            87:        register struct fhpibdevice *hd;
        !            88: 
        !            89:        hd = (struct fhpibdevice *)hs->sc_hc->hp_addr;
        !            90:        hd->hpib_cid = 0xFF;
        !            91:        DELAY(100);
        !            92:        hd->hpib_cmd = CT_8BIT;
        !            93:        hd->hpib_ar = AR_ARONC;
        !            94:        fhpibifc(hd);
        !            95:        hd->hpib_ie = IDS_IE;
        !            96:        hd->hpib_data = C_DCL;
        !            97:        DELAY(100000);
        !            98:        /*
        !            99:         * See if we can do word dma.
        !           100:         * If so, we should be able to write and read back the appropos bit.
        !           101:         */
        !           102:        hd->hpib_ie |= IDS_WDMA;
        !           103:        if (hd->hpib_ie & IDS_WDMA) {
        !           104:                hd->hpib_ie &= ~IDS_WDMA;
        !           105:                hs->sc_flags |= HPIBF_DMA16;
        !           106: #ifdef DEBUG
        !           107:                if (fhpibdebug & FDB_DMA)
        !           108:                        printf("fhpibtype: unit %d has word dma\n", unit);
        !           109: 
        !           110: #endif
        !           111:        }
        !           112: }
        !           113: 
        !           114: fhpibifc(hd)
        !           115:        register struct fhpibdevice *hd;
        !           116: {
        !           117:        hd->hpib_cmd |= CT_IFC;
        !           118:        hd->hpib_cmd |= CT_INITFIFO;
        !           119:        DELAY(100);
        !           120:        hd->hpib_cmd &= ~CT_IFC;
        !           121:        hd->hpib_cmd |= CT_REN;
        !           122:        hd->hpib_stat = ST_ATN;
        !           123: }
        !           124: 
        !           125: fhpibsend(unit, slave, sec, addr, cnt)
        !           126:        register char *addr;
        !           127:        register int cnt;
        !           128: {
        !           129:        register struct hpib_softc *hs = &hpib_softc[unit];
        !           130:        register struct fhpibdevice *hd;
        !           131:        register int timo;
        !           132:        int origcnt = cnt;
        !           133:        int err = 0;
        !           134: 
        !           135:        hd = (struct fhpibdevice *)hs->sc_hc->hp_addr;
        !           136:        hd->hpib_stat = 0;
        !           137:        hd->hpib_imask = IM_IDLE | IM_ROOM;
        !           138:        if (fhpibwait(hd, IM_IDLE) < 0)
        !           139:                err++;
        !           140:        hd->hpib_stat = ST_ATN;
        !           141:        hd->hpib_data = C_UNL;
        !           142:        hd->hpib_data = C_TAG + hs->sc_ba;
        !           143:        hd->hpib_data = C_LAG + slave;
        !           144:        if (sec != -1)
        !           145:                hd->hpib_data = C_SCG + sec;
        !           146:        if (fhpibwait(hd, IM_IDLE) < 0)
        !           147:                err++;
        !           148:        hd->hpib_stat = ST_WRITE;
        !           149:        if (cnt && !err) {
        !           150:                while (--cnt) {
        !           151:                        hd->hpib_data = *addr++;
        !           152:                        timo = hpibtimeout;
        !           153:                        while ((hd->hpib_intr & IM_ROOM) == 0)
        !           154:                                if (--timo == 0) {
        !           155:                                        err++;
        !           156:                                        goto out;
        !           157:                                }
        !           158:                }
        !           159:                hd->hpib_stat = ST_EOI;
        !           160:                hd->hpib_data = *addr;
        !           161:                FHPIBWAIT(hd, IM_ROOM);
        !           162:                hd->hpib_stat = ST_ATN;
        !           163:                /* XXX: HP-UX claims bug with CS80 transparent messages */
        !           164:                if (sec == 0x12)
        !           165:                        DELAY(150);
        !           166:                hd->hpib_data = C_UNL;
        !           167:                if (fhpibwait(hd, IM_IDLE) < 0)
        !           168:                        err++;
        !           169:        }
        !           170: out:
        !           171:        if (err) {
        !           172:                cnt++;
        !           173:                fhpibifc(hd);
        !           174: #ifdef DEBUG
        !           175:                if (fhpibdebug & FDB_FAIL) {
        !           176:                        printf("hpib%d: fhpibsend failed: slave %d, sec %x, ",
        !           177:                               unit, slave, sec);
        !           178:                        printf("sent %d of %d bytes\n", origcnt-cnt, origcnt);
        !           179:                }
        !           180: #endif
        !           181:        }
        !           182:        hd->hpib_imask = 0;
        !           183:        return(origcnt - cnt);
        !           184: }
        !           185: 
        !           186: fhpibrecv(unit, slave, sec, addr, cnt)
        !           187:        register char *addr;
        !           188:        register int cnt;
        !           189: {
        !           190:        register struct hpib_softc *hs = &hpib_softc[unit];
        !           191:        register struct fhpibdevice *hd;
        !           192:        register int timo;
        !           193:        int origcnt = cnt;
        !           194:        int err = 0;
        !           195: 
        !           196:        hd = (struct fhpibdevice *)hs->sc_hc->hp_addr;
        !           197:        hd->hpib_stat = 0;
        !           198:        hd->hpib_imask = IM_IDLE | IM_ROOM | IM_BYTE;
        !           199:        if (fhpibwait(hd, IM_IDLE) < 0)
        !           200:                err++;
        !           201:        hd->hpib_stat = ST_ATN;
        !           202:        hd->hpib_data = C_UNL;
        !           203:        hd->hpib_data = C_LAG + hs->sc_ba;
        !           204:        hd->hpib_data = C_TAG + slave;
        !           205:        if (sec != -1)
        !           206:                hd->hpib_data = C_SCG + sec;
        !           207:        if (fhpibwait(hd, IM_IDLE) < 0)
        !           208:                err++;
        !           209:        hd->hpib_stat = ST_READ0;
        !           210:        hd->hpib_data = 0;
        !           211:        if (cnt && !err) {
        !           212:                do {
        !           213:                        timo = hpibtimeout;
        !           214:                        while ((hd->hpib_intr & IM_BYTE) == 0)
        !           215:                                if (--timo == 0) {
        !           216:                                        err++;
        !           217:                                        goto out;
        !           218:                                }
        !           219:                        *addr++ = hd->hpib_data;
        !           220:                } while (--cnt);
        !           221: out:
        !           222:                FHPIBWAIT(hd, IM_ROOM);
        !           223:                hd->hpib_stat = ST_ATN;
        !           224:                hd->hpib_data = (slave == 31) ? C_UNA : C_UNT;
        !           225:                if (fhpibwait(hd, IM_IDLE) < 0)
        !           226:                        err++;
        !           227:        }
        !           228:        if (err) {
        !           229:                if (!cnt)
        !           230:                        cnt++;
        !           231:                fhpibifc(hd);
        !           232: #ifdef DEBUG
        !           233:                if (fhpibdebug & FDB_FAIL) {
        !           234:                        printf("hpib%d: fhpibrecv failed: slave %d, sec %x, ",
        !           235:                               unit, slave, sec);
        !           236:                        printf("got %d of %d bytes\n", origcnt-cnt, origcnt);
        !           237:                }
        !           238: #endif
        !           239:        }
        !           240:        hd->hpib_imask = 0;
        !           241:        return(origcnt - cnt);
        !           242: }
        !           243: 
        !           244: fhpibgo(unit, slave, sec, addr, count, rw)
        !           245:        register int unit;
        !           246:        char *addr;
        !           247: {
        !           248:        register struct hpib_softc *hs = &hpib_softc[unit];
        !           249:        register struct fhpibdevice *hd;
        !           250:        register int i;
        !           251:        int flags = 0;
        !           252: 
        !           253: #ifdef lint
        !           254:        i = unit; if (i) return;
        !           255: #endif
        !           256:        hd = (struct fhpibdevice *)hs->sc_hc->hp_addr;
        !           257:        hs->sc_flags |= HPIBF_IO;
        !           258:        if (rw == B_READ)
        !           259:                hs->sc_flags |= HPIBF_READ;
        !           260: #ifdef DEBUG
        !           261:        else if (hs->sc_flags & HPIBF_READ) {
        !           262:                printf("fhpibgo: HPIBF_READ still set\n");
        !           263:                hs->sc_flags &= ~HPIBF_READ;
        !           264:        }
        !           265: #endif
        !           266:        hs->sc_count = count;
        !           267:        hs->sc_addr = addr;
        !           268: #ifdef DEBUG
        !           269:        fhpibtransfer[unit]++;
        !           270: #endif
        !           271:        if ((hs->sc_flags & HPIBF_DMA16) &&
        !           272:            ((int)addr & 1) == 0 && count && (count & 1) == 0
        !           273: #ifdef DEBUG
        !           274:            && doworddma
        !           275: #endif
        !           276:            ) {
        !           277: #ifdef DEBUG
        !           278:                fhpibworddma[unit]++;
        !           279: #endif
        !           280:                flags |= DMAGO_WORD;
        !           281:                hd->hpib_latch = 0;
        !           282:        }
        !           283: #ifdef DEBUG
        !           284:        if (dopriodma)
        !           285:                flags |= DMAGO_PRI;
        !           286: #endif
        !           287:        if (hs->sc_flags & HPIBF_READ) {
        !           288:                fhpibcmd[unit] = CT_REN | CT_8BIT;
        !           289:                hs->sc_curcnt = count;
        !           290:                dmago(hs->sc_dq.dq_ctlr, addr, count, flags|DMAGO_READ);
        !           291:                if (fhpibrecv(unit, slave, sec, 0, 0) < 0) {
        !           292: #ifdef DEBUG
        !           293:                        printf("fhpibgo: recv failed, retrying...\n");
        !           294: #endif
        !           295:                        (void) fhpibrecv(unit, slave, sec, 0, 0);
        !           296:                }
        !           297:                i = hd->hpib_cmd;
        !           298:                hd->hpib_cmd = fhpibcmd[unit];
        !           299:                hd->hpib_ie = IDS_DMA(hs->sc_dq.dq_ctlr) |
        !           300:                        ((flags & DMAGO_WORD) ? IDS_WDMA : 0);
        !           301:                return;
        !           302:        }
        !           303:        fhpibcmd[unit] = CT_REN | CT_8BIT | CT_FIFOSEL;
        !           304:        if (count < dmathresh) {
        !           305: #ifdef DEBUG
        !           306:                fhpibnondma[unit]++;
        !           307:                fhpibworddma[unit]--;
        !           308: #endif
        !           309:                hs->sc_curcnt = count;
        !           310:                (void) fhpibsend(unit, slave, sec, addr, count);
        !           311:                fhpibdone(unit);
        !           312:                return;
        !           313:        }
        !           314:        count -= (flags & DMAGO_WORD) ? 2 : 1;
        !           315:        hs->sc_curcnt = count;
        !           316:        dmago(hs->sc_dq.dq_ctlr, addr, count, flags);
        !           317:        if (fhpibsend(unit, slave, sec, 0, 0) < 0) {
        !           318: #ifdef DEBUG
        !           319:                printf("fhpibgo: send failed, retrying...\n");
        !           320: #endif
        !           321:                (void) fhpibsend(unit, slave, sec, 0, 0);
        !           322:        }
        !           323:        i = hd->hpib_cmd;
        !           324:        hd->hpib_cmd = fhpibcmd[unit];
        !           325:        hd->hpib_ie = IDS_DMA(hs->sc_dq.dq_ctlr) | IDS_WRITE |
        !           326:                ((flags & DMAGO_WORD) ? IDS_WDMA : 0);
        !           327: }
        !           328: 
        !           329: fhpibdone(unit)
        !           330: {
        !           331:        register struct hpib_softc *hs = &hpib_softc[unit];
        !           332:        register struct fhpibdevice *hd;
        !           333:        register char *addr;
        !           334:        register int cnt;
        !           335: 
        !           336:        hd = (struct fhpibdevice *)hs->sc_hc->hp_addr;
        !           337:        cnt = hs->sc_curcnt;
        !           338:        hs->sc_addr += cnt;
        !           339:        hs->sc_count -= cnt;
        !           340: #ifdef DEBUG
        !           341:        if ((fhpibdebug & FDB_DMA) && fhpibdebugunit == unit)
        !           342:                printf("fhpibdone: addr %x cnt %d\n",
        !           343:                       hs->sc_addr, hs->sc_count);
        !           344: #endif
        !           345:        if (hs->sc_flags & HPIBF_READ)
        !           346:                hd->hpib_imask = IM_IDLE | IM_BYTE;
        !           347:        else {
        !           348:                cnt = hs->sc_count;
        !           349:                if (cnt) {
        !           350:                        addr = hs->sc_addr;
        !           351:                        hd->hpib_imask = IM_IDLE | IM_ROOM;
        !           352: #ifdef DEBUG
        !           353:                        fhpibremain[unit]++;
        !           354:                        while ((hd->hpib_intr & IM_IDLE) == 0)
        !           355:                                fhpibloops[unit]++;
        !           356: #else
        !           357:                        FHPIBWAIT(hd, IM_IDLE);
        !           358: #endif
        !           359:                        hd->hpib_stat = ST_WRITE;
        !           360:                        while (--cnt) {
        !           361:                                hd->hpib_data = *addr++;
        !           362:                                FHPIBWAIT(hd, IM_ROOM);
        !           363:                        }
        !           364:                        hd->hpib_stat = ST_EOI;
        !           365:                        hd->hpib_data = *addr;
        !           366:                }
        !           367:                hd->hpib_imask = IM_IDLE;
        !           368:        }
        !           369:        hs->sc_flags |= HPIBF_DONE;
        !           370:        hd->hpib_stat = ST_IENAB;
        !           371:        hd->hpib_ie = IDS_IE;
        !           372: }
        !           373: 
        !           374: fhpibintr(unit)
        !           375:        register int unit;
        !           376: {
        !           377:        register struct hpib_softc *hs = &hpib_softc[unit];
        !           378:        register struct fhpibdevice *hd;
        !           379:        register struct devqueue *dq;
        !           380:        register int stat0;
        !           381: 
        !           382:        hd = (struct fhpibdevice *)hs->sc_hc->hp_addr;
        !           383:        stat0 = hd->hpib_ids;
        !           384:        if ((stat0 & (IDS_IE|IDS_IR)) != (IDS_IE|IDS_IR)) {
        !           385: #ifdef DEBUG
        !           386:                if ((fhpibdebug & FDB_FAIL) && (stat0 & IDS_IR) &&
        !           387:                    (hs->sc_flags & (HPIBF_IO|HPIBF_DONE)) != HPIBF_IO)
        !           388:                        printf("hpib%d: fhpibintr: bad status %x\n",
        !           389:                               unit, stat0);
        !           390:                fhpibbadint[0]++;
        !           391: #endif
        !           392:                return(0);
        !           393:        }
        !           394:        if ((hs->sc_flags & (HPIBF_IO|HPIBF_DONE)) == HPIBF_IO) {
        !           395: #ifdef DEBUG
        !           396:                fhpibbadint[1]++;
        !           397: #endif
        !           398:                return(0);
        !           399:        }
        !           400: #ifdef DEBUG
        !           401:        if ((fhpibdebug & FDB_DMA) && fhpibdebugunit == unit)
        !           402:                printf("fhpibintr: flags %x\n", hs->sc_flags);
        !           403: #endif
        !           404:        dq = hs->sc_sq.dq_forw;
        !           405:        if (hs->sc_flags & HPIBF_IO) {
        !           406:                stat0 = hd->hpib_cmd;
        !           407:                hd->hpib_cmd = fhpibcmd[unit] & ~CT_8BIT;
        !           408:                hd->hpib_stat = 0;
        !           409:                hd->hpib_cmd = CT_REN | CT_8BIT;
        !           410:                stat0 = hd->hpib_intr;
        !           411:                hd->hpib_imask = 0;
        !           412:                hs->sc_flags &= ~(HPIBF_DONE|HPIBF_IO|HPIBF_READ);
        !           413:                dmafree(&hs->sc_dq);
        !           414:                (dq->dq_driver->d_intr)(dq->dq_unit);
        !           415:        } else if (hs->sc_flags & HPIBF_PPOLL) {
        !           416:                stat0 = hd->hpib_intr;
        !           417: #ifdef DEBUG
        !           418:                if ((fhpibdebug & FDB_FAIL) &&
        !           419:                    doppollint && (stat0 & IM_PPRESP) == 0)
        !           420:                        printf("hpib%d: fhpibintr: bad intr reg %x\n",
        !           421:                               unit, stat0);
        !           422: #endif
        !           423:                hd->hpib_stat = 0;
        !           424:                hd->hpib_imask = 0;
        !           425: #ifdef DEBUG
        !           426:                stat0 = fhpibppoll(unit);
        !           427:                if ((fhpibdebug & FDB_PPOLL) && unit == fhpibdebugunit)
        !           428:                        printf("fhpibintr: got PPOLL status %x\n", stat0);
        !           429:                if ((stat0 & (0x80 >> dq->dq_slave)) == 0) {
        !           430:                        printf("fhpibintr: PPOLL: unit %d slave %d stat %x\n",
        !           431:                               unit, dq->dq_slave, stat0);
        !           432:                        return(1);
        !           433:                }
        !           434: #endif
        !           435:                hs->sc_flags &= ~HPIBF_PPOLL;
        !           436:                (dq->dq_driver->d_intr)(dq->dq_unit);
        !           437:        }
        !           438:        return(1);
        !           439: }
        !           440: 
        !           441: fhpibppoll(unit)
        !           442: {
        !           443:        register struct fhpibdevice *hd;
        !           444:        register int ppoll;
        !           445: 
        !           446:        hd = (struct fhpibdevice *)hpib_softc[unit].sc_hc->hp_addr;
        !           447:        hd->hpib_stat = 0;
        !           448:        hd->hpib_psense = 0;
        !           449:        hd->hpib_pmask = 0xFF;
        !           450:        hd->hpib_imask = IM_PPRESP | IM_PABORT;
        !           451:        DELAY(25);
        !           452:        hd->hpib_intr = IM_PABORT;
        !           453:        ppoll = hd->hpib_data;
        !           454:        if (hd->hpib_intr & IM_PABORT)
        !           455:                ppoll = 0;
        !           456:        hd->hpib_imask = 0;
        !           457:        hd->hpib_pmask = 0;
        !           458:        hd->hpib_stat = ST_IENAB;
        !           459:        return(ppoll);
        !           460: }
        !           461: 
        !           462: fhpibwait(hd, x)
        !           463:        register struct fhpibdevice *hd;
        !           464: {
        !           465:        register int timo = hpibtimeout;
        !           466: 
        !           467:        while ((hd->hpib_intr & x) == 0 && --timo)
        !           468:                ;
        !           469:        if (timo == 0) {
        !           470: #ifdef DEBUG
        !           471:                if (fhpibdebug & FDB_FAIL)
        !           472:                        printf("fhpibwait(%x, %x) timeout\n", hd, x);
        !           473: #endif
        !           474:                return(-1);
        !           475:        }
        !           476:        return(0);
        !           477: }
        !           478: 
        !           479: /*
        !           480:  * XXX: this will have to change if we every allow more than one
        !           481:  * pending operation per HP-IB.
        !           482:  */
        !           483: fhpibppwatch(unit)
        !           484: {
        !           485:        register struct hpib_softc *hs = &hpib_softc[unit];
        !           486:        register struct fhpibdevice *hd;
        !           487:        register int slave;
        !           488: 
        !           489:        if ((hs->sc_flags & HPIBF_PPOLL) == 0)
        !           490:                return;
        !           491:        hd = (struct fhpibdevice *)hs->sc_hc->hp_addr;
        !           492:        slave = (0x80 >> hs->sc_sq.dq_forw->dq_slave);
        !           493: #ifdef DEBUG
        !           494:        if (!doppollint) {
        !           495:                if (fhpibppoll(unit) & slave) {
        !           496:                        hd->hpib_stat = ST_IENAB;
        !           497:                        hd->hpib_imask = IM_IDLE | IM_ROOM;
        !           498:                } else
        !           499:                        timeout(fhpibppwatch, unit, 1);
        !           500:                return;
        !           501:        }
        !           502:        if ((fhpibdebug & FDB_PPOLL) && unit == fhpibdebugunit)
        !           503:                printf("fhpibppwatch: sense request on %d\n", unit);
        !           504: #endif
        !           505:        hd->hpib_psense = ~slave;
        !           506:        hd->hpib_pmask = slave;
        !           507:        hd->hpib_stat = ST_IENAB;
        !           508:        hd->hpib_imask = IM_PPRESP | IM_PABORT;
        !           509:        hd->hpib_ie = IDS_IE;
        !           510: }
        !           511: #endif

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