Support for the RL02 disk at the PDP11 frontend console added.
This commit is contained in:
ragge
parent
2732f4510b
commit
3ac9ff6af4
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@ -1,4 +1,4 @@
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/* $NetBSD: conf.c,v 1.17 1996/03/07 23:22:38 ragge Exp $ */
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/* $NetBSD: conf.c,v 1.18 1996/03/08 12:32:47 ragge Exp $ */
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/*-
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* Copyright (c) 1982, 1986 The Regents of the University of California.
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@ -239,7 +239,7 @@ cdev_decl(dmf);
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#include "np.h"
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cdev_decl(np);
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#if VAX8600 && 0
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#if VAX8600
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#define NCRL 1
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#else
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#define NCRL 0
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@ -0,0 +1,251 @@
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/* $NetBSD: crl.c,v 1.1 1996/03/08 12:32:50 ragge Exp $ */
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/*-
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* Copyright (c) 1982, 1986 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)crl.c 7.5 (Berkeley) 5/9/91
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*/
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/*
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* TO DO (tef 7/18/85):
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* 1) change printf's to log() instead???
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/proc.h>
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#include <sys/user.h>
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#include <sys/buf.h>
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#include <machine/cpu.h>
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#include <machine/mtpr.h>
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#include <machine/sid.h>
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#include <machine/scb.h>
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#include <vax/vax/crl.h>
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struct {
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short crl_state; /* open and busy flags */
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short crl_active; /* driver state flag */
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struct buf *crl_buf; /* buffer we're using */
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ushort *crl_xaddr; /* transfer address */
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short crl_errcnt;
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} crltab;
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struct {
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int crl_cs; /* saved controller status */
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int crl_ds; /* saved drive status */
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} crlstat;
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void crlintr();
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struct ivec_dsp crl_intr;
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void
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crlattach()
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{
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extern struct ivec_dsp idsptch;
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bcopy(&idsptch, &crl_intr, sizeof(struct ivec_dsp));
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scb->scb_csrint = &crl_intr;
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crl_intr.hoppaddr = crlintr;
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}
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/*ARGSUSED*/
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crlopen(dev, flag)
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dev_t dev;
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int flag;
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{
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struct buf *geteblk();
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if (cpunumber != VAX_8600)
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return (ENXIO);
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if (crltab.crl_state != CRL_IDLE)
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return (EALREADY);
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crltab.crl_state = CRL_OPEN;
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crltab.crl_buf = geteblk(512);
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return (0);
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}
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/*ARGSUSED*/
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crlclose(dev, flag)
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dev_t dev;
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int flag;
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{
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brelse(crltab.crl_buf);
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crltab.crl_state = CRL_IDLE;
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}
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/*ARGSUSED*/
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crlrw(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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register struct buf *bp;
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register int i;
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register int s;
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int error;
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if (uio->uio_resid == 0)
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return (0);
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s = spl4();
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while (crltab.crl_state & CRL_BUSY)
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sleep((caddr_t)&crltab, PRIBIO);
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crltab.crl_state |= CRL_BUSY;
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splx(s);
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bp = crltab.crl_buf;
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error = 0;
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while ((i = imin(CRLBYSEC, uio->uio_resid)) > 0) {
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bp->b_blkno = uio->uio_offset>>9;
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if (bp->b_blkno >= MAXSEC || (uio->uio_offset & 0x1FF) != 0) {
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error = EIO;
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break;
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}
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if (uio->uio_rw == UIO_WRITE) {
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error = uiomove(bp->b_un.b_addr, i, uio);
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if (error)
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break;
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}
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bp->b_flags = uio->uio_rw == UIO_WRITE ? B_WRITE : B_READ;
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s = spl4();
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crlstart();
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while ((bp->b_flags & B_DONE) == 0)
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sleep((caddr_t)bp, PRIBIO);
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splx(s);
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if (bp->b_flags & B_ERROR) {
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error = EIO;
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break;
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}
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if (uio->uio_rw == UIO_READ) {
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error = uiomove(bp->b_un.b_addr, i, uio);
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if (error)
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break;
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}
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}
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crltab.crl_state &= ~CRL_BUSY;
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wakeup((caddr_t)&crltab);
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return (error);
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}
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crlstart()
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{
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register struct buf *bp;
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bp = crltab.crl_buf;
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crltab.crl_errcnt = 0;
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crltab.crl_xaddr = (ushort *) bp->b_un.b_addr;
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bp->b_resid = 0;
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if ((mfpr(PR_STXCS) & STXCS_RDY) == 0)
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/* not ready to receive order */
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return;
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if ((bp->b_flags&(B_READ|B_WRITE)) == B_READ) {
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crltab.crl_active = CRL_F_READ;
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mtpr(bp->b_blkno<<8 | STXCS_IE | CRL_F_READ, PR_STXCS);
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} else {
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crltab.crl_active = CRL_F_WRITE;
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mtpr(bp->b_blkno<<8 | STXCS_IE | CRL_F_WRITE, PR_STXCS);
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}
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#ifdef lint
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crlintr();
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#endif
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}
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void
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crlintr()
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{
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register struct buf *bp;
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int i;
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bp = crltab.crl_buf;
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i = mfpr(PR_STXCS);
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switch ((i>>24) & 0xFF) {
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case CRL_S_XCMPLT:
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switch (crltab.crl_active) {
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case CRL_F_RETSTS:
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crlstat.crl_ds = mfpr(PR_STXDB);
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printf("crlcs=0x%b, crlds=0x%b\n", crlstat.crl_cs,
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CRLCS_BITS, crlstat.crl_ds, CRLDS_BITS);
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break;
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case CRL_F_READ:
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case CRL_F_WRITE:
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bp->b_flags |= B_DONE;
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}
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crltab.crl_active = 0;
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wakeup((caddr_t)bp);
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break;
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case CRL_S_XCONT:
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switch (crltab.crl_active) {
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case CRL_F_WRITE:
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mtpr(*crltab.crl_xaddr++, PR_STXDB);
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mtpr(bp->b_blkno<<8 | STXCS_IE | CRL_F_WRITE, PR_STXCS);
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break;
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case CRL_F_READ:
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*crltab.crl_xaddr++ = mfpr(PR_STXDB);
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mtpr(bp->b_blkno<<8 | STXCS_IE | CRL_F_READ, PR_STXCS);
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}
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break;
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case CRL_S_ABORT:
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crltab.crl_active = CRL_F_RETSTS;
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mtpr(STXCS_IE | CRL_F_RETSTS, PR_STXCS);
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bp->b_flags |= B_DONE|B_ERROR;
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break;
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case CRL_S_RETSTS:
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crlstat.crl_cs = mfpr(PR_STXDB);
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mtpr(STXCS_IE | CRL_S_RETSTS, PR_STXCS);
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break;
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case CRL_S_HNDSHK:
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printf("crl: hndshk error\n"); /* dump out some status too? */
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crltab.crl_active = 0;
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bp->b_flags |= B_DONE|B_ERROR;
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wakeup((caddr_t)bp);
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break;
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case CRL_S_HWERR:
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printf("crl: hard error sn%d\n", bp->b_blkno);
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crltab.crl_active = CRL_F_ABORT;
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mtpr(STXCS_IE | CRL_F_ABORT, PR_STXCS);
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break;
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}
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}
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@ -0,0 +1,78 @@
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/* $NetBSD: crl.h,v 1.1 1996/03/08 12:32:53 ragge Exp $ */
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/*
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* @(#)crl.h 7.1 (Berkeley) 6/5/86
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*/
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/****************************************************************
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* *
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* Licensed from Digital Equipment Corporation *
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* Copyright (c) *
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* Digital Equipment Corporation *
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* Maynard, Massachusetts *
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* 1985, 1986 *
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* All rights reserved. *
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* *
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* The Information in this software is subject to change *
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* without notice and should not be construed as a commitment *
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* by Digital Equipment Corporation. Digital makes no *
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* representations about the suitability of this software for *
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* any purpose. It is supplied "As Is" without expressed or *
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* implied warranty. *
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* *
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* If the Regents of the University of California or its *
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* licensees modify the software in a manner creating *
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* diriviative copyright rights, appropriate copyright *
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* legends may be placed on the drivative work in addition *
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* to that set forth above. *
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****************************************************************/
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/*
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* Console RL02 status of current transfer (read only)
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*/
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#define CRL_S_XCMPLT 1 /* transaction complete */
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#define CRL_S_XCONT 2 /* continue transaction */
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#define CRL_S_ABORT 3 /* transation abort */
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#define CRL_S_RETSTS 4 /* return device status */
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#define CRL_S_HNDSHK 0x80 /* handshake err during transaction */
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#define CRL_S_HWERR 0x81 /* hardware err during transaction */
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/*
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* Console RL02 function codes
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*/
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#define CRL_F_NOOP 0 /* No operation */
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#define CRL_F_RSTSTS 2 /* reset and return device status */
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#define CRL_F_ABORT 3 /* abort transfer */
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#define CRL_F_RETSTS 4 /* read device status */
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#define CRL_F_WRITE 5 /* write block data */
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#define CRL_F_READ 6 /* read block data */
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/*
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* Console sectoring information.
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* The console understands the rl02 as having 512 byte sectors.
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*/
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#define CRLBYSEC 512 /* bytes/sector */
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#define MAXSEC 20480 /* sectors/rl02 */
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/*
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* STXCS bit definitions
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*/
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#define STXCS_RDY 0x00000080 /* ready bit */
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#define STXCS_IE 0x00000040 /* interrupt enable */
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#define CRLERRS 5 /* number of retries before quitting */
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/*
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* The state byte is used to retain exclusivity,
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* and contains the busy flag.
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*/
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#define CRL_IDLE 0
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#define CRL_OPEN 1
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#define CRL_BUSY 2
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#define CRLDS_BITS \
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"\20\20WDE\17CHE\16WL\15SKTO\14SPE\13WGE\12VC\11DSE\
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\10DT\7HS\6CO\5HO\4BH\3STC\2STB\1STA"
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#define CRLCS_BITS \
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"\20\20CE\17DE\16NXM\15DLT\14DCRC\13OPI\1DRDY"
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@ -1,4 +1,4 @@
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/* $NetBSD: ka860.c,v 1.1 1996/03/07 23:22:48 ragge Exp $ */
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/* $NetBSD: ka860.c,v 1.2 1996/03/08 12:32:54 ragge Exp $ */
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/*
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* Copyright (c) 1986, 1988 Regents of the University of California.
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* All rights reserved.
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@ -300,6 +300,7 @@ ka86_conf(parent, self, aux)
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mtpr(0x8000, PR_ACCS);
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} else
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printf("no FPA\n");
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crlattach();
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}
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int
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