git: 655d043b496e - main - Remove gxemul drivers.
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Date: Mon, 06 Feb 2023 18:21:06 UTC
The branch main has been updated by jhibbits:
URL: https://cgit.FreeBSD.org/src/commit/?id=655d043b496e19e4e1463a12278a895d0d40b33d
commit 655d043b496e19e4e1463a12278a895d0d40b33d
Author: Justin Hibbits <jhibbits@FreeBSD.org>
AuthorDate: 2023-02-06 18:06:25 +0000
Commit: Justin Hibbits <jhibbits@FreeBSD.org>
CommitDate: 2023-02-06 18:06:25 +0000
Remove gxemul drivers.
These were MIPS-only.
---
sys/dev/gxemul/cons/gxemul_cons.c | 335 ------------------------
sys/dev/gxemul/disk/gxemul_disk.c | 331 ------------------------
sys/dev/gxemul/disk/gxemul_diskreg.h | 71 -----
sys/dev/gxemul/ether/gxreg.h | 65 -----
sys/dev/gxemul/ether/if_gx.c | 398 -----------------------------
tools/kerneldoc/subsys/Doxyfile-dev_gxemul | 21 --
6 files changed, 1221 deletions(-)
diff --git a/sys/dev/gxemul/cons/gxemul_cons.c b/sys/dev/gxemul/cons/gxemul_cons.c
deleted file mode 100644
index 01c1d5d569de..000000000000
--- a/sys/dev/gxemul/cons/gxemul_cons.c
+++ /dev/null
@@ -1,335 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2011-2012 Robert N. M. Watson
- * All rights reserved.
- *
- * This software was developed by SRI International and the University of
- * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
- * ("CTSRD"), as part of the DARPA CRASH research programme.
- *
- * 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/cons.h>
-#include <sys/endian.h>
-#include <sys/kdb.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/reboot.h>
-#include <sys/tty.h>
-
-#include <ddb/ddb.h>
-
-#include <machine/cpuregs.h>
-
-#define GC_LOCK_INIT() mtx_init(&gc_lock, "gc_lock", NULL, MTX_SPIN)
-
-#define GC_LOCK() do { \
- if (!kdb_active) \
- mtx_lock_spin(&gc_lock); \
-} while (0)
-
-#define GC_LOCK_ASSERT() do { \
- if (!kdb_active) \
- mtx_assert(&gc_lock, MA_OWNED); \
-} while (0)
-
-#define GC_UNLOCK() do { \
- if (!kdb_active) \
- mtx_unlock_spin(&gc_lock); \
-} while (0)
-
-
-static struct mtx gc_lock;
-
-/*
- * Low-level console driver functions.
- */
-static cn_probe_t gxemul_cons_cnprobe;
-static cn_init_t gxemul_cons_cninit;
-static cn_term_t gxemul_cons_cnterm;
-static cn_getc_t gxemul_cons_cngetc;
-static cn_putc_t gxemul_cons_cnputc;
-static cn_grab_t gxemul_cons_cngrab;
-static cn_ungrab_t gxemul_cons_cnungrab;
-
-/*
- * TTY-level fields.
- */
-static tsw_outwakeup_t gxemul_cons_outwakeup;
-
-static struct ttydevsw gxemul_cons_ttydevsw = {
- .tsw_flags = TF_NOPREFIX,
- .tsw_outwakeup = gxemul_cons_outwakeup,
-};
-
-static struct callout gxemul_cons_callout;
-static u_int gxemul_cons_polltime = 10;
-#ifdef KDB
-static int gxemul_cons_alt_break_state;
-#endif
-
-static void gxemul_cons_timeout(void *);
-
-/*
- * I/O routines lifted from Deimos.
- *
- * XXXRW: Should be using FreeBSD's bus routines here, but they are not
- * available until later in the boot.
- */
-
-static inline vm_offset_t
-mips_phys_to_uncached(vm_paddr_t phys)
-{
-
- return (MIPS_PHYS_TO_DIRECT_UNCACHED(phys));
-}
-
-static inline uint8_t
-mips_ioread_uint8(vm_offset_t vaddr)
-{
- uint8_t v;
-
- __asm__ __volatile__ ("lbu %0, 0(%1)" : "=r" (v) : "r" (vaddr));
- return (v);
-}
-
-static inline void
-mips_iowrite_uint8(vm_offset_t vaddr, uint8_t v)
-{
-
- __asm__ __volatile__ ("sb %0, 0(%1)" : : "r" (v), "r" (vaddr));
-}
-
-/*
- * gxemul-specific constants.
- */
-#define GXEMUL_CONS_BASE 0x10000000 /* gxemul console device. */
-
-/*
- * Routines for interacting with the gxemul test console. Programming details
- * are a result of manually inspecting the source code for gxemul's
- * dev_cons.cc and dev_cons.h.
- *
- * Offsets of I/O channels relative to the base.
- */
-#define GXEMUL_PUTGETCHAR_OFF 0x00000000
-#define GXEMUL_CONS_HALT 0x00000010
-
-/*
- * One-byte buffer as we can't check whether the console is readable without
- * actually reading from it.
- */
-static char buffer_data;
-static int buffer_valid;
-
-/*
- * Low-level read and write routines.
- */
-static inline uint8_t
-gxemul_cons_data_read(void)
-{
-
- return (mips_ioread_uint8(mips_phys_to_uncached(GXEMUL_CONS_BASE +
- GXEMUL_PUTGETCHAR_OFF)));
-}
-
-static inline void
-gxemul_cons_data_write(uint8_t v)
-{
-
- mips_iowrite_uint8(mips_phys_to_uncached(GXEMUL_CONS_BASE +
- GXEMUL_PUTGETCHAR_OFF), v);
-}
-
-static int
-gxemul_cons_writable(void)
-{
-
- return (1);
-}
-
-static int
-gxemul_cons_readable(void)
-{
- uint32_t v;
-
- GC_LOCK_ASSERT();
-
- if (buffer_valid)
- return (1);
- v = gxemul_cons_data_read();
- if (v != 0) {
- buffer_valid = 1;
- buffer_data = v;
- return (1);
- }
- return (0);
-}
-
-static void
-gxemul_cons_write(char ch)
-{
-
- GC_LOCK_ASSERT();
-
- while (!gxemul_cons_writable());
- gxemul_cons_data_write(ch);
-}
-
-static char
-gxemul_cons_read(void)
-{
-
- GC_LOCK_ASSERT();
-
- while (!gxemul_cons_readable());
- buffer_valid = 0;
- return (buffer_data);
-}
-
-/*
- * Implementation of a FreeBSD low-level, polled console driver.
- */
-static void
-gxemul_cons_cnprobe(struct consdev *cp)
-{
-
- sprintf(cp->cn_name, "ttyu0");
- cp->cn_pri = (boothowto & RB_SERIAL) ? CN_REMOTE : CN_NORMAL;
-}
-
-static void
-gxemul_cons_cninit(struct consdev *cp)
-{
-
- GC_LOCK_INIT();
-}
-
-static void
-gxemul_cons_cnterm(struct consdev *cp)
-{
-
-}
-
-static int
-gxemul_cons_cngetc(struct consdev *cp)
-{
- int ret;
-
- GC_LOCK();
- ret = gxemul_cons_read();
- GC_UNLOCK();
- return (ret);
-}
-
-static void
-gxemul_cons_cnputc(struct consdev *cp, int c)
-{
-
- GC_LOCK();
- gxemul_cons_write(c);
- GC_UNLOCK();
-}
-
-static void
-gxemul_cons_cngrab(struct consdev *cp)
-{
-
-}
-
-static void
-gxemul_cons_cnungrab(struct consdev *cp)
-{
-
-}
-
-CONSOLE_DRIVER(gxemul_cons);
-
-/*
- * TTY-level functions for gxemul_cons.
- */
-static void
-gxemul_cons_ttyinit(void *unused)
-{
- struct tty *tp;
-
- tp = tty_alloc(&gxemul_cons_ttydevsw, NULL);
- tty_init_console(tp, 0);
- tty_makedev(tp, NULL, "%s", "ttyu0");
- callout_init(&gxemul_cons_callout, 1);
- callout_reset(&gxemul_cons_callout, gxemul_cons_polltime,
- gxemul_cons_timeout, tp);
-
-}
-SYSINIT(gxemul_cons_ttyinit, SI_SUB_CONFIGURE, SI_ORDER_MIDDLE,
- gxemul_cons_ttyinit, NULL);
-
-static void
-gxemul_cons_outwakeup(struct tty *tp)
-{
- int len;
- u_char ch;
-
- /*
- * XXXRW: Would be nice not to do blocking writes to the console here,
- * rescheduling on our timer tick if work remains to be done..
- */
- for (;;) {
- len = ttydisc_getc(tp, &ch, sizeof(ch));
- if (len == 0)
- break;
- GC_LOCK();
- gxemul_cons_write(ch);
- GC_UNLOCK();
- }
-}
-
-static void
-gxemul_cons_timeout(void *v)
-{
- struct tty *tp;
- int c;
-
- tp = v;
- tty_lock(tp);
- GC_LOCK();
- while (gxemul_cons_readable()) {
- c = gxemul_cons_read();
- GC_UNLOCK();
-#ifdef KDB
- kdb_alt_break(c, &gxemul_cons_alt_break_state);
-#endif
- ttydisc_rint(tp, c, 0);
- GC_LOCK();
- }
- GC_UNLOCK();
- ttydisc_rint_done(tp);
- tty_unlock(tp);
- callout_reset(&gxemul_cons_callout, gxemul_cons_polltime,
- gxemul_cons_timeout, tp);
-}
diff --git a/sys/dev/gxemul/disk/gxemul_disk.c b/sys/dev/gxemul/disk/gxemul_disk.c
deleted file mode 100644
index b53beb6492d1..000000000000
--- a/sys/dev/gxemul/disk/gxemul_disk.c
+++ /dev/null
@@ -1,331 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2008-2012 Juli Mallett <jmallett@FreeBSD.org>
- * 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/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/bio.h>
-#include <sys/systm.h>
-#include <sys/bus.h>
-#include <sys/kernel.h>
-#include <sys/lock.h>
-#include <sys/malloc.h>
-#include <sys/module.h>
-#include <sys/mutex.h>
-#include <sys/rman.h>
-
-#include <geom/geom.h>
-
-#include <machine/cpuregs.h>
-
-#include <dev/gxemul/disk/gxemul_diskreg.h>
-
-struct gxemul_disk_softc {
- device_t sc_dev;
- uint64_t sc_size;
- struct g_geom *sc_geom;
- struct g_provider *sc_provider;
-};
-
-static struct mtx gxemul_disk_controller_mutex;
-
-static g_start_t gxemul_disk_start;
-static g_access_t gxemul_disk_access;
-
-struct g_class g_gxemul_disk_class = {
- .name = "GXemul",
- .version = G_VERSION,
- .start = gxemul_disk_start,
- .access = gxemul_disk_access,
-};
-
-DECLARE_GEOM_CLASS(g_gxemul_disk_class, g_gxemul_disk);
-
-static void gxemul_disk_identify(driver_t *, device_t);
-static int gxemul_disk_probe(device_t);
-static int gxemul_disk_attach(device_t);
-static void gxemul_disk_attach_geom(void *, int);
-
-static int gxemul_disk_read(unsigned, void *, off_t);
-static int gxemul_disk_size(unsigned, uint64_t *);
-static int gxemul_disk_write(unsigned, const void *, off_t);
-
-static void
-gxemul_disk_start(struct bio *bp)
-{
- struct gxemul_disk_softc *sc;
- unsigned diskid;
- off_t offset;
- uint8_t *buf;
- int error;
-
- sc = bp->bio_to->geom->softc;
- diskid = device_get_unit(sc->sc_dev);
-
- if ((bp->bio_length % GXEMUL_DISK_DEV_BLOCKSIZE) != 0) {
- g_io_deliver(bp, EINVAL);
- return;
- }
-
- buf = bp->bio_data;
- offset = bp->bio_offset;
- bp->bio_resid = bp->bio_length;
- while (bp->bio_resid != 0) {
- switch (bp->bio_cmd) {
- case BIO_READ:
- mtx_lock(&gxemul_disk_controller_mutex);
- error = gxemul_disk_read(diskid, buf, offset);
- mtx_unlock(&gxemul_disk_controller_mutex);
- break;
- case BIO_WRITE:
- mtx_lock(&gxemul_disk_controller_mutex);
- error = gxemul_disk_write(diskid, buf, offset);
- mtx_unlock(&gxemul_disk_controller_mutex);
- break;
- default:
- g_io_deliver(bp, EOPNOTSUPP);
- return;
- }
- if (error != 0) {
- g_io_deliver(bp, error);
- return;
- }
-
- buf += GXEMUL_DISK_DEV_BLOCKSIZE;
- offset += GXEMUL_DISK_DEV_BLOCKSIZE;
- bp->bio_completed += GXEMUL_DISK_DEV_BLOCKSIZE;
- bp->bio_resid -= GXEMUL_DISK_DEV_BLOCKSIZE;
- }
-
- g_io_deliver(bp, 0);
-}
-
-static int
-gxemul_disk_access(struct g_provider *pp, int r, int w, int e)
-{
- return (0);
-}
-
-static void
-gxemul_disk_identify(driver_t *drv, device_t parent)
-{
- unsigned diskid;
-
- mtx_init(&gxemul_disk_controller_mutex, "GXemul disk controller", NULL, MTX_DEF);
-
- mtx_lock(&gxemul_disk_controller_mutex);
- for (diskid = 0; diskid < 0x100; diskid++) {
- /*
- * If we can read at offset 0, this disk id must be
- * present enough. If we get an error, stop looking.
- * Disks in GXemul are allocated linearly from 0.
- */
- if (gxemul_disk_read(diskid, NULL, 0) != 0)
- break;
- BUS_ADD_CHILD(parent, 0, "gxemul_disk", diskid);
- }
- mtx_unlock(&gxemul_disk_controller_mutex);
-}
-
-static int
-gxemul_disk_probe(device_t dev)
-{
- device_set_desc(dev, "GXemul test disk");
-
- return (BUS_PROBE_NOWILDCARD);
-}
-
-static void
-gxemul_disk_attach_geom(void *arg, int flag)
-{
- struct gxemul_disk_softc *sc;
-
- sc = arg;
-
- sc->sc_geom = g_new_geomf(&g_gxemul_disk_class, "%s", device_get_nameunit(sc->sc_dev));
- sc->sc_geom->softc = sc;
-
- sc->sc_provider = g_new_providerf(sc->sc_geom, "%s", sc->sc_geom->name);
- sc->sc_provider->sectorsize = GXEMUL_DISK_DEV_BLOCKSIZE;
- sc->sc_provider->mediasize = sc->sc_size;
- g_error_provider(sc->sc_provider, 0);
-}
-
-static int
-gxemul_disk_attach(device_t dev)
-{
- struct gxemul_disk_softc *sc;
- unsigned diskid;
- int error;
-
- diskid = device_get_unit(dev);
-
- sc = device_get_softc(dev);
- sc->sc_dev = dev;
- sc->sc_geom = NULL;
- sc->sc_provider = NULL;
-
- mtx_lock(&gxemul_disk_controller_mutex);
- error = gxemul_disk_size(diskid, &sc->sc_size);
- if (error != 0) {
- mtx_unlock(&gxemul_disk_controller_mutex);
- return (error);
- }
- mtx_unlock(&gxemul_disk_controller_mutex);
-
- g_post_event(gxemul_disk_attach_geom, sc, M_WAITOK, NULL);
-
- return (0);
-}
-
-static int
-gxemul_disk_read(unsigned diskid, void *buf, off_t off)
-{
- const volatile void *src;
-
- mtx_assert(&gxemul_disk_controller_mutex, MA_OWNED);
-
- if (off < 0 || off % GXEMUL_DISK_DEV_BLOCKSIZE != 0)
- return (EINVAL);
-
-#ifdef _LP64
- GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET, (uint64_t)off);
-#else
- GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET_LO,
- (uint32_t)(off & 0xffffffff));
- GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET_HI,
- (uint32_t)((off >> 32) & 0xffffffff));
-#endif
- GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_DISKID, diskid);
- GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_START, GXEMUL_DISK_DEV_START_READ);
- switch (GXEMUL_DISK_DEV_READ(GXEMUL_DISK_DEV_STATUS)) {
- case GXEMUL_DISK_DEV_STATUS_FAILURE:
- return (EIO);
- default:
- break;
- }
-
- if (buf != NULL) {
- src = GXEMUL_DISK_DEV_FUNCTION(GXEMUL_DISK_DEV_BLOCK);
- memcpy(buf, (const void *)(uintptr_t)src,
- GXEMUL_DISK_DEV_BLOCKSIZE);
- }
-
- return (0);
-}
-
-static int
-gxemul_disk_size(unsigned diskid, uint64_t *sizep)
-{
- uint64_t offset, ogood;
- uint64_t m, s;
- int error;
-
- m = 1;
- s = 3;
- ogood = 0;
-
- for (;;) {
- offset = (ogood * s) + (m * GXEMUL_DISK_DEV_BLOCKSIZE);
-
- error = gxemul_disk_read(diskid, NULL, offset);
- if (error != 0) {
- if (m == 1 && s == 1) {
- *sizep = ogood + GXEMUL_DISK_DEV_BLOCKSIZE;
- return (0);
- }
- if (m > 1)
- m /= 2;
- if (s > 1)
- s--;
- continue;
- }
- if (ogood == offset) {
- m = 1;
- continue;
- }
- ogood = offset;
- m++;
- }
-
- return (EDOOFUS);
-}
-
-static int
-gxemul_disk_write(unsigned diskid, const void *buf, off_t off)
-{
- volatile void *dst;
-
- mtx_assert(&gxemul_disk_controller_mutex, MA_OWNED);
-
- if (off < 0 || off % GXEMUL_DISK_DEV_BLOCKSIZE != 0)
- return (EINVAL);
-
-#ifdef _LP64
- GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET, (uint64_t)off);
-#else
- GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET_LO,
- (uint32_t)(off & 0xffffffff));
- GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET_HI,
- (uint32_t)((off >> 32) & 0xffffffff));
-#endif
-
- GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_DISKID, diskid);
-
- dst = GXEMUL_DISK_DEV_FUNCTION(GXEMUL_DISK_DEV_BLOCK);
- memcpy((void *)(uintptr_t)dst, buf, GXEMUL_DISK_DEV_BLOCKSIZE);
-
- GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_START, GXEMUL_DISK_DEV_START_WRITE);
- switch (GXEMUL_DISK_DEV_READ(GXEMUL_DISK_DEV_STATUS)) {
- case GXEMUL_DISK_DEV_STATUS_FAILURE:
- return (EIO);
- default:
- break;
- }
-
- return (0);
-}
-
-static device_method_t gxemul_disk_methods[] = {
- DEVMETHOD(device_probe, gxemul_disk_probe),
- DEVMETHOD(device_identify, gxemul_disk_identify),
- DEVMETHOD(device_attach, gxemul_disk_attach),
-
- { 0, 0 }
-};
-
-static driver_t gxemul_disk_driver = {
- "gxemul_disk",
- gxemul_disk_methods,
- sizeof (struct gxemul_disk_softc)
-};
-
-DRIVER_MODULE(gxemul_disk, nexus, gxemul_disk_driver, 0, 0);
diff --git a/sys/dev/gxemul/disk/gxemul_diskreg.h b/sys/dev/gxemul/disk/gxemul_diskreg.h
deleted file mode 100644
index 8db71f1593f9..000000000000
--- a/sys/dev/gxemul/disk/gxemul_diskreg.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2008-2012 Juli Mallett <jmallett@FreeBSD.org>
- * 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.
- *
- * $FreeBSD$
- */
-
-#ifndef _DEV_GXEMUL_DISK_GXEMUL_DISK_H_
-#define _DEV_GXEMUL_DISK_GXEMUL_DISK_H_
-
-#define GXEMUL_DISK_DEV_BASE (0x13000000)
-
-#define GXEMUL_DISK_DEV_BLOCKSIZE (0x0200)
-
-#define GXEMUL_DISK_DEV_ID_START (0x0000)
-#define GXEMUL_DISK_DEV_ID_END (0x0100)
-
-#ifdef _LP64
-#define GXEMUL_DISK_DEV_OFFSET (0x0000)
-#else
-#define GXEMUL_DISK_DEV_OFFSET_LO (0x0000)
-#define GXEMUL_DISK_DEV_OFFSET_HI (0x0008)
-#endif
-#define GXEMUL_DISK_DEV_DISKID (0x0010)
-#define GXEMUL_DISK_DEV_START (0x0020)
-#define GXEMUL_DISK_DEV_STATUS (0x0030)
-#define GXEMUL_DISK_DEV_BLOCK (0x4000)
-
-#ifdef _LP64
-#define GXEMUL_DISK_DEV_FUNCTION(f) \
- (volatile uint64_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_DISK_DEV_BASE + (f))
-#define GXEMUL_DISK_DEV_READ(f) \
- (volatile uint64_t)*GXEMUL_DISK_DEV_FUNCTION(f)
-#else
-#define GXEMUL_DISK_DEV_FUNCTION(f) \
- (volatile uint32_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_DISK_DEV_BASE + (f))
-#define GXEMUL_DISK_DEV_READ(f) \
- (volatile uint32_t)*GXEMUL_DISK_DEV_FUNCTION(f)
-#endif
-#define GXEMUL_DISK_DEV_WRITE(f, v) \
- *GXEMUL_DISK_DEV_FUNCTION(f) = (v)
-
-#define GXEMUL_DISK_DEV_START_READ (0x00)
-#define GXEMUL_DISK_DEV_START_WRITE (0x01)
-
-#define GXEMUL_DISK_DEV_STATUS_FAILURE (0x00)
-
-#endif /* !_DEV_GXEMUL_DISK_GXEMUL_DISK_H_ */
diff --git a/sys/dev/gxemul/ether/gxreg.h b/sys/dev/gxemul/ether/gxreg.h
deleted file mode 100644
index 557c902befef..000000000000
--- a/sys/dev/gxemul/ether/gxreg.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2008-2012 Juli Mallett <jmallett@FreeBSD.org>
- * 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.
- *
- * $FreeBSD$
- */
-
-#ifndef _DEV_GXEMUL_ETHER_GXREG_H_
-#define _DEV_GXEMUL_ETHER_GXREG_H_
-
-#define GXEMUL_ETHER_DEV_BASE (0x14000000)
-#define GXEMUL_ETHER_DEV_IRQ (3)
-
-#define GXEMUL_ETHER_DEV_MTU (0x4000)
-
-#define GXEMUL_ETHER_DEV_BUFFER (0x0000)
-#define GXEMUL_ETHER_DEV_STATUS (0x4000)
-#define GXEMUL_ETHER_DEV_LENGTH (0x4010)
-#define GXEMUL_ETHER_DEV_COMMAND (0x4020)
-#define GXEMUL_ETHER_DEV_MAC (0x4040)
-
-#ifdef _LP64
-#define GXEMUL_ETHER_DEV_FUNCTION(f) \
- (volatile uint64_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_ETHER_DEV_BASE + (f))
-#define GXEMUL_ETHER_DEV_READ(f) \
- (volatile uint64_t)*GXEMUL_ETHER_DEV_FUNCTION(f)
-#else
-#define GXEMUL_ETHER_DEV_FUNCTION(f) \
- (volatile uint32_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_ETHER_DEV_BASE + (f))
-#define GXEMUL_ETHER_DEV_READ(f) \
- (volatile uint32_t)*GXEMUL_ETHER_DEV_FUNCTION(f)
-#endif
-#define GXEMUL_ETHER_DEV_WRITE(f, v) \
- *GXEMUL_ETHER_DEV_FUNCTION(f) = (v)
-
-#define GXEMUL_ETHER_DEV_STATUS_RX_OK (0x01)
-#define GXEMUL_ETHER_DEV_STATUS_RX_MORE (0x02)
-
-#define GXEMUL_ETHER_DEV_COMMAND_RX (0x00)
-#define GXEMUL_ETHER_DEV_COMMAND_TX (0x01)
-
-#endif /* !_DEV_GXEMUL_ETHER_GXREG_H_ */
diff --git a/sys/dev/gxemul/ether/if_gx.c b/sys/dev/gxemul/ether/if_gx.c
deleted file mode 100644
index e7bb927fd674..000000000000
--- a/sys/dev/gxemul/ether/if_gx.c
+++ /dev/null
@@ -1,398 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2008-2012 Juli Mallett <jmallett@FreeBSD.org>
- * 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 "opt_inet.h"
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/bus.h>
-#include <sys/endian.h>
-#include <sys/kernel.h>
-#include <sys/mbuf.h>
-#include <sys/lock.h>
-#include <sys/module.h>
-#include <sys/mutex.h>
-#include <sys/rman.h>
-#include <sys/socket.h>
-#include <sys/sockio.h>
-#include <sys/sysctl.h>
-
-#include <net/bpf.h>
-#include <net/ethernet.h>
-#include <net/if.h>
-#include <net/if_dl.h>
-#include <net/if_media.h>
-#include <net/if_types.h>
-#include <net/if_var.h>
-#include <net/if_vlan_var.h>
-
-#ifdef INET
-#include <netinet/in.h>
-#include <netinet/if_ether.h>
-#endif
-
-#include <machine/cpuregs.h>
-
-#include <dev/gxemul/ether/gxreg.h>
-
-struct gx_softc {
- struct ifnet *sc_ifp;
- device_t sc_dev;
- unsigned sc_port;
- int sc_flags;
- struct ifmedia sc_ifmedia;
- struct resource *sc_intr;
- void *sc_intr_cookie;
- struct mtx sc_mtx;
-};
-
-#define GXEMUL_ETHER_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
-#define GXEMUL_ETHER_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
-
-static void gx_identify(driver_t *, device_t);
-static int gx_probe(device_t);
-static int gx_attach(device_t);
-static int gx_detach(device_t);
-static int gx_shutdown(device_t);
-
-static void gx_init(void *);
-static int gx_transmit(struct ifnet *, struct mbuf *);
-
-static int gx_medchange(struct ifnet *);
-static void gx_medstat(struct ifnet *, struct ifmediareq *);
-
-static int gx_ioctl(struct ifnet *, u_long, caddr_t);
-
-static void gx_rx_intr(void *);
-
-static device_method_t gx_methods[] = {
- /* Device interface */
- DEVMETHOD(device_identify, gx_identify),
- DEVMETHOD(device_probe, gx_probe),
- DEVMETHOD(device_attach, gx_attach),
- DEVMETHOD(device_detach, gx_detach),
- DEVMETHOD(device_shutdown, gx_shutdown),
-
- { 0, 0 }
-};
-
-static driver_t gx_driver = {
- "gx",
- gx_methods,
- sizeof (struct gx_softc),
-};
-
-DRIVER_MODULE(gx, nexus, gx_driver, 0, 0);
-
-static void
-gx_identify(driver_t *drv, device_t parent)
-{
- BUS_ADD_CHILD(parent, 0, "gx", 0);
-}
-
-static int
-gx_probe(device_t dev)
-{
- if (device_get_unit(dev) != 0)
- return (ENXIO);
-
- device_set_desc(dev, "GXemul test Ethernet");
-
- return (BUS_PROBE_NOWILDCARD);
-}
-
-static int
-gx_attach(device_t dev)
-{
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