Change pmax rcons and low-level serial drivers to support the
old-style pmax polled input for cn_getc(). Needed because the input side of rcons is not initialized in time for GENERIC kernels to use it to read a root/swap devicename from /dev/console.
This commit is contained in:
jonathan
parent
dec12b783d
commit
f8fbfa0ce8
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@ -1,4 +1,4 @@
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/* $NetBSD: dc.c,v 1.11 1995/08/10 04:21:42 jonathan Exp $ */
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/* $NetBSD: dc.c,v 1.12 1995/09/11 21:29:23 jonathan Exp $ */
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/*-
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* Copyright (c) 1992, 1993
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@ -84,14 +84,12 @@
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#include <pmax/pmax/pmaxtype.h>
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#include <pmax/pmax/cons.h>
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#include <pmax/dev/device.h>
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#include <pmax/dev/pdma.h>
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#include <pmax/dev/fbreg.h>
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#include <pmax/dev/lk201.h>
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#include "dcvar.h"
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extern int pmax_boardtype;
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extern struct consdev cn_tab;
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/*
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* Autoconfiguration data for config.new.
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@ -103,7 +101,7 @@ int dcmatch __P((struct device * parent, void *cfdata, void *aux));
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void dcattach __P((struct device *parent, struct device *self, void *aux));
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int dc_doprobe __P((void *addr, int unit, int flags, int pri));
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void dcintr __P((int unit));
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int dcintr __P((void * xxxunit));
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extern struct cfdriver dccd;
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struct cfdriver dccd = {
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@ -176,7 +174,6 @@ struct speedtab dcspeedtab[] = {
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/*
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* Match driver based on name
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*/
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int
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dcmatch(parent, match, aux)
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struct device *parent;
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@ -216,10 +213,22 @@ dcattach(parent, self, aux)
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ca->ca_slot);
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/* tie pseudo-slot to device */
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BUS_INTR_ESTABLISH(ca, dcintr, self->dv_unit);
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BUS_INTR_ESTABLISH(ca, dcintr, (void *)self->dv_unit);
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printf("\n");
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}
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/*
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* Is there a framebuffer console device using this serial driver?
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* XXX used for ugly special-cased console input that should be redone
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* more cleanly.
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*/
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static inline int
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raster_console()
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{
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return (cn_tab->cn_pri == CN_INTERNAL ||
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cn_tab->cn_pri == CN_NORMAL);
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}
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dc_doprobe(addr, unit, flags, priority)
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void *addr;
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@ -240,8 +249,8 @@ dc_doprobe(addr, unit, flags, priority)
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* For a remote console, wait a while for previous output to
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* complete.
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*/
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if (major(cn_tab.cn_dev) == DCDEV && unit == 0 &&
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cn_tab.cn_screen == 0)
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if (major(cn_tab->cn_dev) == DCDEV && unit == 0 &&
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cn_tab->cn_pri == CN_REMOTE)
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DELAY(10000);
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/* reset chip */
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@ -272,7 +281,8 @@ dc_doprobe(addr, unit, flags, priority)
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* Special handling for consoles.
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*/
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if (unit == 0) {
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if (cn_tab.cn_screen) {
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if (cn_tab->cn_pri == CN_INTERNAL ||
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cn_tab->cn_pri == CN_NORMAL) {
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s = spltty();
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dcaddr->dc_lpr = LPR_RXENAB | LPR_8_BIT_CHAR |
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LPR_B4800 | DCKBD_PORT;
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@ -284,13 +294,13 @@ dc_doprobe(addr, unit, flags, priority)
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KBDReset(makedev(DCDEV, DCKBD_PORT), dcPutc);
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MouseInit(makedev(DCDEV, DCMOUSE_PORT), dcPutc, dcGetc);
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splx(s);
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} else if (major(cn_tab.cn_dev) == DCDEV) {
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} else if (major(cn_tab->cn_dev) == DCDEV) {
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s = spltty();
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dcaddr->dc_lpr = LPR_RXENAB | LPR_8_BIT_CHAR |
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LPR_B9600 | minor(cn_tab.cn_dev);
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LPR_B9600 | minor(cn_tab->cn_dev);
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MachEmptyWriteBuffer();
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DELAY(1000);
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cn_tab.cn_disabled = 0;
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/*cn_tab.cn_disabled = 0;*/ /* FIXME */
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splx(s);
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}
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}
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@ -490,7 +500,7 @@ dcparam(tp, t)
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/*
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* Handle console cases specially.
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*/
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if (cn_tab.cn_screen) {
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if (raster_console()) {
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if (unit == DCKBD_PORT) {
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dcaddr->dc_lpr = LPR_RXENAB | LPR_8_BIT_CHAR |
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LPR_B4800 | DCKBD_PORT;
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@ -502,7 +512,7 @@ dcparam(tp, t)
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MachEmptyWriteBuffer();
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return (0);
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}
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} else if (tp->t_dev == cn_tab.cn_dev) {
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} else if (tp->t_dev == cn_tab->cn_dev) {
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dcaddr->dc_lpr = LPR_RXENAB | LPR_8_BIT_CHAR |
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LPR_B9600 | unit;
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MachEmptyWriteBuffer();
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@ -532,10 +542,11 @@ dcparam(tp, t)
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/*
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* Check for interrupts from all devices.
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*/
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void
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dcintr(unit)
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register int unit;
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int
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dcintr(xxxunit)
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void *xxxunit;
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{
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register int unit = (int)xxxunit;
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register dcregs *dcaddr;
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register unsigned csr;
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@ -547,6 +558,8 @@ dcintr(unit)
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if (csr & CSR_TRDY)
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dcxint(dc_tty[unit + ((csr >> 8) & 03)]);
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}
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/* XXX check for spurious interrupts */
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return 0;
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}
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dcrint(unit)
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@ -567,7 +580,7 @@ dcrint(unit)
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overrun = 1;
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}
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/* the keyboard requires special translation */
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if (tp == dc_tty[DCKBD_PORT] && cn_tab.cn_screen) {
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if (tp == dc_tty[DCKBD_PORT] && raster_console()) {
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#ifdef KADB
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if (cc == LK_DO) {
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spl0();
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@ -585,38 +598,7 @@ dcrint(unit)
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if ((cc = kbdMapChar(cc)) < 0)
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return;
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} else if (tp == dc_tty[DCMOUSE_PORT] && dcMouseButtons) {
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register MouseReport *mrp;
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static MouseReport currentRep;
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mrp = ¤tRep;
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mrp->byteCount++;
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if (cc & MOUSE_START_FRAME) {
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/*
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* The first mouse report byte (button state).
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*/
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mrp->state = cc;
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if (mrp->byteCount > 1)
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mrp->byteCount = 1;
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} else if (mrp->byteCount == 2) {
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/*
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* The second mouse report byte (delta x).
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*/
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mrp->dx = cc;
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} else if (mrp->byteCount == 3) {
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/*
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* The final mouse report byte (delta y).
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*/
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mrp->dy = cc;
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mrp->byteCount = 0;
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if (mrp->dx != 0 || mrp->dy != 0) {
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/*
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* If the mouse moved,
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* post a motion event.
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*/
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(*dcMouseEvent)(mrp);
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}
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(*dcMouseButtons)(mrp);
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}
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mouseInput(cc);
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return;
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}
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if (!(tp->t_state & TS_ISOPEN)) {
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@ -694,7 +676,7 @@ dcstart(tp)
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if (tp->t_outq.c_cc == 0)
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goto out;
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/* handle console specially */
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if (tp == dc_tty[DCKBD_PORT] && cn_tab.cn_screen) {
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if (tp == dc_tty[DCKBD_PORT] && raster_console()) {
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while (tp->t_outq.c_cc > 0) {
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cc = getc(&tp->t_outq) & 0x7f;
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cnputc(cc);
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@ -1,4 +1,4 @@
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/* $NetBSD: rcons.c,v 1.3 1995/09/11 07:45:48 jonathan Exp $ */
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/* $NetBSD: rcons.c,v 1.4 1995/09/11 21:29:26 jonathan Exp $ */
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/*
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* Copyright (c) 1995
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@ -149,6 +149,8 @@ rconsattach (n)
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printf("rconsattach: %d raster consoles\n", n);
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#endif
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#ifdef notyet /* ugly console input on pmaxes */
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/* Try to set up the input device... */
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if (cn_in_dev != NODEV && cn_in_devvp == NULLVP) {
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/* try to get a reference on its vnode, but fail silently */
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@ -163,7 +165,7 @@ rconsattach (n)
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* with any special-case console input hacks, and point the
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* console device at rcons.
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*/
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/* FIXME */ cn_tab->cn_dev = makedev (/*RCONSDEV*/85, 0);
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#endif
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: scc.c,v 1.1 1995/08/22 04:28:41 jonathan Exp $ */
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/* $NetBSD: scc.c,v 1.2 1995/09/11 21:29:28 jonathan Exp $ */
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/*
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* Copyright (c) 1991,1990,1989,1994,1995 Carnegie Mellon University
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@ -102,10 +102,9 @@
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#include <pmax/include/pmioctl.h>
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#include <pmax/dev/device.h>
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#include <pmax/dev/pdma.h>
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#include <dev/ic/z8530reg.h>
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#include <pmax/dev/fbreg.h>
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#include <pmax/dev/lk201.h>
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#include <machine/autoconf.h>
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@ -128,8 +127,6 @@
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#include <alpha/tc/tc.h>
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#endif
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extern struct consdev cn_tab;
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extern void ttrstrt __P((void *));
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#ifdef alpha
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@ -142,14 +139,33 @@ extern void ttrstrt __P((void *));
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* macros that also work on Alphas with serial consoles.
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* (Should be replaced with rcons?)
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*/
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#ifdef pmax
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#define CONSOLE_ON_FRAMEBUFFER() (cn_tab.cn_screen)
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#endif
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/*
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* True iff the console unit is diverted throught this SCC device.
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* (used to just test if cn_tab->cn_getc was sccGetc, but that
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* breaks with the new-style glass-tty framebuffer console input.
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*/
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#define CONSOLE_ON_UNIT(unit) \
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(major(cn_tab->cn_dev) == SCCDEV && SCCUNIT(cn_tab->cn_dev) == (unit))
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#ifdef alpha
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#define CONSOLE_ON_FRAMEBUFFER() 1 /* Treat test for cn_screen as true */
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#define RASTER_CONSOLE() 1 /* Treat test for cn_screen as true */
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#endif
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/*
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* Is there a framebuffer console device using this serial driver?
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* XXX used for ugly special-cased console input that should be redone
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* more cleanly.
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*/
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static inline int
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raster_console()
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{
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return (cn_tab->cn_pri == CN_NORMAL || cn_tab->cn_pri == CN_INTERNAL);
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}
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#define NSCCLINE (NSCC*2)
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#define SCCUNIT(dev) (minor(dev) >> 1)
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@ -231,7 +247,7 @@ int sccmctl __P((dev_t, int, int));
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static void scc_modem_intr __P((dev_t));
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static void sccreset __P((struct scc_softc *));
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void sccintr __P((void *));
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int sccintr __P((void *));
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#ifdef alpha
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void scc_alphaintr __P((int));
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#endif
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@ -331,21 +347,20 @@ sccattach(parent, self, aux)
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unit = sc->sc_dv.dv_unit;
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flags = sc->sc_dv.dv_cfdata->cf_flags;
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sccaddr = MACH_PHYS_TO_UNCACHED(BUS_CVTADDR(ca));
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sccaddr = (void*)MACH_PHYS_TO_UNCACHED(BUS_CVTADDR(ca));
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#ifdef alpha
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sccaddr = TC_DENSE_TO_SPARSE(sccaddr);
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#endif /*alpha*/
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/* Register the interrupt handler. */
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BUS_INTR_ESTABLISH(ca, sccintr, (void *)(long)sc->sc_dv.dv_unit);
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BUS_INTR_ESTABLISH(ca, sccintr, (void *)sc);
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/*
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* For a remote console, wait a while for previous output to
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* complete.
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*/
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#ifdef TK_NOTYET
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if (major(cn_tab.cn_dev) == SCCDEV && cn_tab.cn_screen == 0 &&
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SCCUNIT(cn_tab.cn_dev) == unit)
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if (CONSOLE_ON_UNIT(unit) && (cn_tab->cn_pri == CN_REMOTE))
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DELAY(10000);
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#else
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if ((cputype == ST_DEC_3000_500 && sc->sc_dv.dv_unit == 1) ||
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@ -374,8 +389,10 @@ sccattach(parent, self, aux)
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* Special handling for consoles.
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*/
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#ifdef TK_NOTYET
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if (cn_tab.cn_screen) {
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if (cn_tab.cn_kbdgetc == sccGetc) {
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if ((cn_tab->cn_getc == LKgetc)) {
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/* XXX test below may be too inclusive ? */
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if (1 /*CONSOLE_ON_UNIT(unit)*/ ) {
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if (unit == 1) {
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s = spltty();
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ctty.t_dev = makedev(SCCDEV, SCCKBD_PORT);
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@ -411,12 +428,13 @@ sccattach(parent, self, aux)
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splx(s);
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}
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}
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} else if (SCCUNIT(cn_tab.cn_dev) == unit)
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} else
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#endif /* TK_NOTYET */
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if (SCCUNIT(cn_tab->cn_dev) == unit)
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{
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s = spltty();
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#ifdef pmax
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ctty.t_dev = cn_tab.cn_dev;
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ctty.t_dev = cn_tab->cn_dev;
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#else
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ctty.t_dev = makedev(SCCDEV,
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sc->sc_dv.dv_unit == 0 ? SCCCOMM2_PORT : SCCCOMM3_PORT);
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@ -430,7 +448,7 @@ sccattach(parent, self, aux)
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(void) sccparam(&ctty, &cterm);
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DELAY(1000);
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#ifdef TK_NOTYET
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cn_tab.cn_disabled = 0;
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/*cn_tab.cn_disabled = 0;*/ /* FIXME */
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#endif
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splx(s);
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}
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@ -453,7 +471,7 @@ sccattach(parent, self, aux)
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/* wire carrier for console. */
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sc->scc_softCAR |= SCCLINE(cn_tab->cn_dev);
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} else
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#endif
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#endif /* alpha */
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printf("\n");
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}
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@ -740,7 +758,7 @@ sccparam(tp, t)
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* Handle console specially.
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*/
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#ifdef TK_NOTYET
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if (cn_tab.cn_screen) {
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if (cn_tab->cn_getc == LKgetc) {
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if (minor(tp->t_dev) == SCCKBD_PORT) {
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cflag = CS8;
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ospeed = ttspeedtab(4800, sccspeedtab);
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@ -748,7 +766,7 @@ sccparam(tp, t)
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cflag = CS8 | PARENB | PARODD;
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ospeed = ttspeedtab(4800, sccspeedtab);
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}
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} else if (tp->t_dev == cn_tab.cn_dev)
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} else if (tp->t_dev == cn_tab->cn_dev)
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#endif /*TK_NOTYET*/
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{
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cflag = CS8;
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@ -879,19 +897,18 @@ sccparam(tp, t)
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/*
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* Check for interrupts from all devices.
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*/
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void
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sccintr(xxxunit)
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void * xxxunit;
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int
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sccintr(xxxsc)
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void * xxxsc;
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{
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register int unit = (long)xxxunit;
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register struct scc_softc *sc = (struct scc_softc *)xxxsc;
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register int unit = sc->sc_dv.dv_unit;
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register scc_regmap_t *regs;
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register struct tty *tp;
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register struct pdma *dp;
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register struct scc_softc *sc;
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register int cc, chan, rr1, rr2, rr3;
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int overrun = 0;
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sc = scccd.cd_devs[unit];
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regs = (scc_regmap_t *)sc->scc_pdma[0].p_addr;
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unit <<= 1;
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for (;;) {
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@ -901,7 +918,7 @@ sccintr(xxxunit)
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if (rr2 == 6) { /* strange, distinguished value */
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SCC_READ_REG(regs, SCC_CHANNEL_A, ZSRR_IPEND, rr3);
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if (rr3 == 0)
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return;
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return 0 ;/* XXX FIXME why ? */
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}
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SCC_WRITE_REG(regs, SCC_CHANNEL_A, SCC_RR0, ZSWR0_CLR_INTR);
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@ -959,12 +976,12 @@ sccintr(xxxunit)
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/*
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* Keyboard needs special treatment.
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*/
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if (tp == scc_tty[SCCKBD_PORT] && CONSOLE_ON_FRAMEBUFFER()) {
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if (tp == scc_tty[SCCKBD_PORT] && raster_console()) {
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#ifdef KADB
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if (cc == LK_DO) {
|
||||
spl0();
|
||||
kdbpanic();
|
||||
return;
|
||||
return -1;
|
||||
}
|
||||
#endif
|
||||
#ifdef DEBUG
|
||||
|
|
@ -982,38 +999,8 @@ sccintr(xxxunit)
|
|||
* Now for mousey
|
||||
*/
|
||||
} else if (tp == scc_tty[SCCMOUSE_PORT] && sccMouseButtons) {
|
||||
register MouseReport *mrp;
|
||||
static MouseReport currentRep;
|
||||
|
||||
mrp = ¤tRep;
|
||||
mrp->byteCount++;
|
||||
if (cc & MOUSE_START_FRAME) {
|
||||
/*
|
||||
* The first mouse report byte (button state).
|
||||
*/
|
||||
mrp->state = cc;
|
||||
if (mrp->byteCount > 1)
|
||||
mrp->byteCount = 1;
|
||||
} else if (mrp->byteCount == 2) {
|
||||
/*
|
||||
* The second mouse report byte (delta x).
|
||||
*/
|
||||
mrp->dx = cc;
|
||||
} else if (mrp->byteCount == 3) {
|
||||
/*
|
||||
* The final mouse report byte (delta y).
|
||||
*/
|
||||
mrp->dy = cc;
|
||||
mrp->byteCount = 0;
|
||||
if (mrp->dx != 0 || mrp->dy != 0) {
|
||||
/*
|
||||
* If the mouse moved,
|
||||
* post a motion event.
|
||||
*/
|
||||
(*sccMouseEvent)(mrp);
|
||||
}
|
||||
(*sccMouseButtons)(mrp);
|
||||
}
|
||||
/*XXX*/
|
||||
mouseInput(cc);
|
||||
continue;
|
||||
}
|
||||
if (!(tp->t_state & TS_ISOPEN)) {
|
||||
|
|
@ -1067,7 +1054,7 @@ sccstart(tp)
|
|||
if (tp->t_outq.c_cc == 0)
|
||||
goto out;
|
||||
/* handle console specially */
|
||||
if (tp == scc_tty[SCCKBD_PORT] && CONSOLE_ON_FRAMEBUFFER()) {
|
||||
if (tp == scc_tty[SCCKBD_PORT] && raster_console()) {
|
||||
while (tp->t_outq.c_cc > 0) {
|
||||
cc = getc(&tp->t_outq) & 0x7f;
|
||||
cnputc(cc);
|
||||
|
|
@ -1116,7 +1103,7 @@ sccstart(tp)
|
|||
#ifdef DIAGNOSTIC
|
||||
if (cc == 0)
|
||||
panic("sccstart: No chars");
|
||||
#endif
|
||||
#endif /* DIAGNOSTIC */
|
||||
SCC_WRITE_DATA(regs, chan, *dp->p_mem++);
|
||||
}
|
||||
wbflush();
|
||||
|
|
@ -1253,7 +1240,7 @@ scc_modem_intr(dev)
|
|||
} else if (tp->t_state & TS_CARR_ON)
|
||||
(void)(*linesw[tp->t_line].l_modem)(tp, 0);
|
||||
#endif /*notyet*/
|
||||
#endif
|
||||
#endif /* !alpha */
|
||||
splx(s);
|
||||
}
|
||||
|
||||
|
|
@ -1276,7 +1263,8 @@ sccGetc(dev)
|
|||
if (!regs)
|
||||
return (0);
|
||||
#ifdef pmax
|
||||
s = spltty(); /* XXX why different spls? */
|
||||
/*s = spltty(); */ /* XXX why different spls? */
|
||||
s = splhigh();
|
||||
#else
|
||||
s = splhigh();
|
||||
#endif
|
||||
|
|
@ -1389,5 +1377,5 @@ rr(msg, regs)
|
|||
printf("B: 0: %x 1: %x 2(state): %x 10: %x 15: %x\n",
|
||||
r0, r1, r2, r10, r15);
|
||||
}
|
||||
#endif
|
||||
#endif /* SCC_DEBUG */
|
||||
#endif /* NSCC */
|
||||
|
|
|
|||
Loading…
Reference in New Issue