Remove support for SKI: HP's Itanium simulator. It's pretty much not

used, serves very little value given that FreeBSD runs on real H/W
for a long time.
Note that SKI is open-source (see http://ski.sourceforge.net), so
if there's interest and value again, then this code can be revived.

Discussed with: jhb

2 files changed, 0 insertions, 395 deletions

diff --git a/sys/ia64/ia64/ssc.c b/sys/ia64/ia64/ssc.c
deleted file mode 100644
index 95a6165..0000000
--- a/sys/ia64/ia64/ssc.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*-
- * Copyright (c) 2000 Doug Rabson
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	$FreeBSD$
- */
-#include <sys/param.h>
-#include <sys/bus.h>
-#include <sys/conf.h>
-#include <sys/cons.h>
-#include <sys/kernel.h>
-#include <sys/lock.h>
-#include <sys/module.h>
-#include <sys/mutex.h>
-#include <sys/priv.h>
-#include <sys/proc.h>
-#include <sys/systm.h>
-#include <sys/tty.h>
-#include <machine/md_var.h>
-
-#include <vm/vm.h>
-#include <vm/vm_param.h>
-#include <vm/vm_kern.h>
-#include <vm/vm_page.h>
-#include <vm/vm_map.h>
-#include <vm/vm_object.h>
-#include <vm/vm_extern.h>
-#include <vm/vm_pageout.h>
-#include <vm/vm_pager.h>
-
-#define SSC_GETCHAR			21
-#define SSC_PUTCHAR			31
-
-#define	SSC_POLL_HZ	50
-
-static tsw_open_t	ssc_open;
-static tsw_outwakeup_t	ssc_outwakeup;
-static tsw_close_t	ssc_close;
-
-static struct ttydevsw ssc_class = {
-	.tsw_flags	= TF_NOPREFIX,
-	.tsw_open	= ssc_open,
-	.tsw_outwakeup	= ssc_outwakeup,
-	.tsw_close	= ssc_close,
-};
-
-static int polltime;
-static struct callout_handle ssc_timeouthandle
-	= CALLOUT_HANDLE_INITIALIZER(&ssc_timeouthandle);
-
-static void	ssc_timeout(void *);
-
-static u_int64_t
-ssc(u_int64_t in0, u_int64_t in1, u_int64_t in2, u_int64_t in3, int which)
-{
-	register u_int64_t ret0 __asm("r8");
-
-	__asm __volatile("mov r15=%1\n\t"
-			 "break 0x80001"
-			 : "=r"(ret0)
-			 : "r"(which), "r"(in0), "r"(in1), "r"(in2), "r"(in3));
-	return ret0;
-}
-
-static void
-ssc_cnprobe(struct consdev *cp)
-{
-
-	strcpy(cp->cn_name, "ssccons");
-	cp->cn_pri = CN_INTERNAL;
-}
-
-static void
-ssc_cninit(struct consdev *cp)
-{
-}
-
-static void
-ssc_cnterm(struct consdev *cp)
-{
-}
-
-static void
-ssc_cngrab(struct consdev *cp)
-{
-}
-
-static void
-ssc_cnungrab(struct consdev *cp)
-{
-}
-
-static void
-ssc_cnattach(void *arg)
-{
-	struct tty *tp;
-
-	tp = tty_alloc(&ssc_class, NULL);
-	tty_makedev(tp, NULL, "ssccons");
-}
-
-SYSINIT(ssc_cnattach, SI_SUB_DRIVERS, SI_ORDER_ANY, ssc_cnattach, 0);
-
-static void
-ssc_cnputc(struct consdev *cp, int c)
-{
-	ssc(c, 0, 0, 0, SSC_PUTCHAR);
-}
-
-static int
-ssc_cngetc(struct consdev *cp)
-{
-    int c;
-    c = ssc(0, 0, 0, 0, SSC_GETCHAR);
-    if (!c)
-	    return -1;
-    return c;
-}
-
-static int
-ssc_open(struct tty *tp)
-{
-
-	polltime = hz / SSC_POLL_HZ;
-	if (polltime < 1)
-		polltime = 1;
-	ssc_timeouthandle = timeout(ssc_timeout, tp, polltime);
-
-	return (0);
-}
- 
-static void
-ssc_close(struct tty *tp)
-{
-
-	untimeout(ssc_timeout, tp, ssc_timeouthandle);
-}
-
-static void
-ssc_outwakeup(struct tty *tp)
-{
-	char buf[128];
-	size_t len, c;
-
-	for (;;) {
-		len = ttydisc_getc(tp, buf, sizeof buf);
-		if (len == 0)
-			break;
-
-		c = 0;
-		while (len-- > 0)
-			ssc_cnputc(NULL, buf[c++]);
-	}
-}
-
-static void
-ssc_timeout(void *v)
-{
-	struct tty *tp = v;
-	int c;
-
-	tty_lock(tp);
-	while ((c = ssc_cngetc(NULL)) != -1)
-		ttydisc_rint(tp, c, 0);
-	ttydisc_rint_done(tp);
-	tty_unlock(tp);
-
-	ssc_timeouthandle = timeout(ssc_timeout, tp, polltime);
-}
-
-CONSOLE_DRIVER(ssc);
diff --git a/sys/ia64/ia64/sscdisk.c b/sys/ia64/ia64/sscdisk.c
deleted file mode 100644
index 146be7f..0000000
--- a/sys/ia64/ia64/sscdisk.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/*-
- * ----------------------------------------------------------------------------
- * "THE BEER-WARE LICENSE" (Revision 42):
- * <phk@FreeBSD.ORG> wrote this file.  As long as you retain this notice you
- * can do whatever you want with this stuff. If we meet some day, and you think
- * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
- * ----------------------------------------------------------------------------
- *
- * $FreeBSD$
- *
- */
-
-#include "opt_md.h"
-#include "opt_ski.h"
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/bio.h>
-#include <sys/conf.h>
-#include <sys/kernel.h>
-#include <sys/linker.h>
-#include <sys/lock.h>
-#include <sys/malloc.h>
-#include <sys/mutex.h>
-#include <sys/queue.h>
-#include <sys/sysctl.h>
-#include <sys/proc.h>
-#include <vm/vm.h>
-#include <vm/vm_kern.h>
-#include <vm/vm_page.h>
-#include <vm/vm_map.h>
-#include <vm/vm_extern.h>
-#include <vm/vm_object.h>
-#include <vm/vm_pager.h>
-#include <machine/md_var.h>
-#include <geom/geom_disk.h>
-
-#ifndef SKI_ROOT_FILESYSTEM
-#define SKI_ROOT_FILESYSTEM	"ia64-root.fs"
-#endif
-
-#define SSC_OPEN			50
-#define SSC_CLOSE			51
-#define SSC_READ			52
-#define SSC_WRITE			53
-#define SSC_GET_COMPLETION		54
-#define SSC_WAIT_COMPLETION		55
-
-struct disk_req {
-	unsigned long addr;
-	unsigned len;
-};
-
-struct disk_stat {
-	int fd;
-	unsigned count;
-};
-
-static u_int64_t
-ssc(u_int64_t in0, u_int64_t in1, u_int64_t in2, u_int64_t in3, int which)
-{
-	register u_int64_t ret0 __asm("r8");
-
-	__asm __volatile("mov r15=%1\n\t"
-			 "break 0x80001"
-			 : "=r"(ret0)
-			 : "r"(which), "r"(in0), "r"(in1), "r"(in2), "r"(in3));
-	return ret0;
-}
-
-#ifndef SSC_NSECT
-#define SSC_NSECT 409600
-#endif
-
-static MALLOC_DEFINE(M_SSC, "ssc_disk", "Simulator Disk");
-
-static d_strategy_t sscstrategy;
-
-static LIST_HEAD(, ssc_s) ssc_softc_list = LIST_HEAD_INITIALIZER(ssc_softc_list);
-static struct mtx ssc_list_lock;
-MTX_SYSINIT(ssc_list, &ssc_list_lock, "ssc list", MTX_DEF);
-
-struct ssc_s {
-	int unit;
-	LIST_ENTRY(ssc_s) list;
-	struct bio_queue_head bio_queue;
-	struct disk *disk;
-	struct mtx lock;
-	int busy;
-	int fd;
-};
-
-static int sscunits;
-
-static void
-sscstrategy(struct bio *bp)
-{
-	struct ssc_s *sc;
-	struct disk_req req;
-	struct disk_stat stat;
-	u_long len, va, off;
-
-	sc = bp->bio_disk->d_drv1;
-
-	mtx_lock(&sc->lock);
-	bioq_disksort(&sc->bio_queue, bp);
-
-	if (sc->busy) {
-		mtx_unlock(&sc->lock);
-		return;
-	}
-	sc->busy++;
-
-	for (;;) {
-		bp = bioq_takefirst(&sc->bio_queue);
-		if (!bp)
-			break;
-
-		mtx_unlock(&sc->lock);
-		va = (u_long) bp->bio_data;
-		len = bp->bio_bcount;
-		off = bp->bio_pblkno << DEV_BSHIFT;
-		while (len > 0) {
-			u_int t;
-			if ((va & PAGE_MASK) + len > PAGE_SIZE)
-				t = PAGE_SIZE - (va & PAGE_MASK);
-			else
-				t = len;
-			req.len = t;
-			req.addr = ia64_tpa(va);
-			ssc(sc->fd, 1, ia64_tpa((long) &req), off,
-			    (bp->bio_cmd == BIO_READ) ? SSC_READ : SSC_WRITE);
-			stat.fd = sc->fd;
-			ssc(ia64_tpa((long)&stat), 0, 0, 0,
-			    SSC_WAIT_COMPLETION);
-			va += t;
-			len -= t;
-			off += t;
-		}
-		bp->bio_resid = 0;
-		biodone(bp);
-		mtx_lock(&sc->lock);
-	}
-
-	sc->busy = 0;
-	mtx_unlock(&sc->lock);
-	return;
-}
-
-static struct ssc_s *
-ssccreate(int unit)
-{
-	struct ssc_s *sc;
-	int fd;
-
-	fd = ssc(ia64_tpa((u_int64_t) SKI_ROOT_FILESYSTEM),
-		 1, 0, 0, SSC_OPEN);
-	if (fd == -1)
-		return (NULL);
-
-	sc = malloc(sizeof(*sc), M_SSC, M_WAITOK | M_ZERO);
-
-	mtx_lock(&ssc_list_lock);
-	if (unit == -1)
-		unit = sscunits++;
-	/* Make sure this unit isn't already in action */
-	LIST_FOREACH(sc, &ssc_softc_list, list) {
-		if (sc->unit == unit) {
-			mtx_unlock(&ssc_list_lock);
-			free(sc, M_SSC);
-			return (NULL);
-		}
-	}
-	LIST_INSERT_HEAD(&ssc_softc_list, sc, list);
-	sc->unit = unit;
-	mtx_unlock(&ssc_list_lock);
-	bioq_init(&sc->bio_queue);
-	mtx_init(&sc->lock, "ssc", NULL, MTX_DEF);
-
-	sc->disk = disk_alloc();
-	sc->disk->d_drv1 = sc;
-	sc->disk->d_fwheads = 0;
-	sc->disk->d_fwsectors = 0;
-	sc->disk->d_maxsize = DFLTPHYS;
-	sc->disk->d_mediasize = (off_t)SSC_NSECT * DEV_BSIZE;
-	sc->disk->d_name = "sscdisk";
-	sc->disk->d_sectorsize = DEV_BSIZE;
-	sc->disk->d_strategy = sscstrategy;
-	sc->disk->d_unit = sc->unit;
-	disk_create(sc->disk, DISK_VERSION);
-	sc->fd = fd;
-	if (sc->unit == 0) 
-		rootdevnames[0] = "ufs:/dev/sscdisk0";
-	return (sc);
-}
-
-static void
-ssc_drvinit(void *unused)
-{
-	ssccreate(-1);
-}
-
-SYSINIT(sscdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE, ssc_drvinit,NULL);