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Add support for the IBM Full-System Simulator (Mambo). This code has been

Browse Source 
developed against the 970 and Cell simulators.
This commit is contained in:
Nathan Whitehorn 2010-07-31 13:22:34 +00:00
parent b06cfd40f9
commit 2c16c8d7e5
11 changed files with 831 additions and 0 deletions
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5
sys/conf/files.powerpc
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@ -111,6 +111,11 @@ powerpc/fpu/fpu_implode.c optional fpu_emu
powerpc/fpu/fpu_mul.c optional fpu_emu
powerpc/fpu/fpu_sqrt.c optional fpu_emu
powerpc/fpu/fpu_subr.c optional fpu_emu
powerpc/mambo/mambocall.S optional mambo
powerpc/mambo/mambo.c optional mambo
powerpc/mambo/mambo_console.c optional mambo
powerpc/mambo/mambo_disk.c optional mambo
powerpc/mambo/mambo_openpic.c optional mambo
powerpc/mpc85xx/atpic.c optional mpc85xx isa
powerpc/mpc85xx/ds1553_bus_fdt.c optional ds1553 fdt
powerpc/mpc85xx/ds1553_core.c optional ds1553

1
sys/conf/options.powerpc
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@ -17,6 +17,7 @@ GFB_NO_MODE_CHANGE opt_gfb.h
MPC85XX opt_platform.h
POWERMAC opt_platform.h
MAMBO
PSIM
SC_OFWFB opt_ofwfb.h

1
sys/powerpc/conf/GENERIC
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@ -28,6 +28,7 @@ makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
# Platform support
options POWERMAC #NewWorld Apple PowerMacs
options PSIM #GDB PSIM ppc simulator
options MAMBO #IBM Mambo Full System Simulator
options SCHED_ULE #ULE scheduler
options INET #InterNETworking

1
sys/powerpc/conf/GENERIC64
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@ -27,6 +27,7 @@ makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
# Platform support
options POWERMAC #NewWorld Apple PowerMacs
options MAMBO #IBM Mambo Full System Simulator
options SCHED_ULE #ULE scheduler
options INET #InterNETworking

1
sys/powerpc/conf/NOTES
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@ -20,6 +20,7 @@ options FPU_EMU
#options MPC85XX
options POWERMAC #NewWorld Apple PowerMacs
options PSIM #GDB PSIM ppc simulator
options MAMBO #IBM Mambo Full System Simulator
options SC_OFWFB # OFW frame buffer

101
sys/powerpc/mambo/mambo.c Normal file
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@ -0,0 +1,101 @@
/*-
* Copyright 2008 by Nathan Whitehorn. 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 ``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 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/systm.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/openfirm.h>
#include <machine/bus.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <sys/rman.h>
/*
* Mambo interface
*/
static int mambobus_probe(device_t);
static int mambobus_attach(device_t);
static device_method_t mambobus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, mambobus_probe),
DEVMETHOD(device_attach, mambobus_attach),
/* Bus interface */
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
DEVMETHOD(bus_add_child, bus_generic_add_child),
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_read_ivar, bus_generic_read_ivar),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
DEVMETHOD(bus_activate_resource,bus_generic_activate_resource),
{0,0}
};
static driver_t mambobus_driver = {
"mambo",
mambobus_methods,
0
};
static devclass_t mambobus_devclass;
DRIVER_MODULE(mambo, nexus, mambobus_driver, mambobus_devclass, 0, 0);
static int
mambobus_probe(device_t dev)
{
const char *name = ofw_bus_get_name(dev);
if (name && !strcmp(name, "mambo")) {
device_set_desc(dev, "Mambo Simulator");
return (0);
}
return (ENXIO);
}
static int
mambobus_attach(device_t dev)
{
bus_generic_probe(dev);
return (bus_generic_attach(dev));
}

192
sys/powerpc/mambo/mambo_console.c Normal file
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@ -0,0 +1,192 @@
/*-
* Copyright (C) 2008 by Nathan Whitehorn. 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 ``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 TOOLS GMBH 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 "opt_comconsole.h"
#include <sys/param.h>
#include <sys/kdb.h>
#include <sys/kernel.h>
#include <sys/priv.h>
#include <sys/systm.h>
#include <sys/types.h>
#include <sys/conf.h>
#include <sys/cons.h>
#include <sys/consio.h>
#include <sys/tty.h>
#include <dev/ofw/openfirm.h>
#include <ddb/ddb.h>
#include "mambocall.h"
#define MAMBOBURSTLEN 128 /* max number of bytes to write in one chunk */
#define MAMBO_CONSOLE_WRITE 0
#define MAMBO_CONSOLE_READ 60
static tsw_outwakeup_t mambotty_outwakeup;
static struct ttydevsw mambo_ttydevsw = {
.tsw_flags = TF_NOPREFIX,
.tsw_outwakeup = mambotty_outwakeup,
};
static int polltime;
static struct callout mambo_callout;
static struct tty *tp = NULL;
#if defined(KDB) && defined(ALT_BREAK_TO_DEBUGGER)
static int alt_break_state;
#endif
static void mambo_timeout(void *);
static cn_probe_t mambo_cnprobe;
static cn_init_t mambo_cninit;
static cn_term_t mambo_cnterm;
static cn_getc_t mambo_cngetc;
static cn_putc_t mambo_cnputc;
CONSOLE_DRIVER(mambo);
static void
cn_drvinit(void *unused)
{
if (mambo_consdev.cn_pri != CN_DEAD &&
mambo_consdev.cn_name[0] != '\0') {
if (OF_finddevice("/mambo") == -1)
return;
tp = tty_alloc(&mambo_ttydevsw, NULL);
tty_init_console(tp, 0);
tty_makedev(tp, NULL, "%s", "mambocons");
tty_makealias(tp, "mambocons");
polltime = 1;
callout_init(&mambo_callout, CALLOUT_MPSAFE);
callout_reset(&mambo_callout, polltime, mambo_timeout, NULL);
}
}
SYSINIT(cndev, SI_SUB_CONFIGURE, SI_ORDER_MIDDLE, cn_drvinit, NULL);
static void
mambotty_outwakeup(struct tty *tp)
{
int len;
u_char buf[MAMBOBURSTLEN];
for (;;) {
len = ttydisc_getc(tp, buf, sizeof buf);
if (len == 0)
break;
mambocall(MAMBO_CONSOLE_WRITE, buf, (register_t)len, 1UL);
}
}
static void
mambo_timeout(void *v)
{
int c;
tty_lock(tp);
while ((c = mambo_cngetc(NULL)) != -1)
ttydisc_rint(tp, c, 0);
ttydisc_rint_done(tp);
tty_unlock(tp);
callout_reset(&mambo_callout, polltime, mambo_timeout, NULL);
}
static void
mambo_cnprobe(struct consdev *cp)
{
if (OF_finddevice("/mambo") == -1) {
cp->cn_pri = CN_DEAD;
return;
}
cp->cn_pri = CN_NORMAL;
}
static void
mambo_cninit(struct consdev *cp)
{
/* XXX: This is the alias, but that should be good enough */
strcpy(cp->cn_name, "mambocons");
}
static void
mambo_cnterm(struct consdev *cp)
{
}
static int
mambo_cngetc(struct consdev *cp)
{
int ch;
ch = mambocall(MAMBO_CONSOLE_READ);
if (ch > 0 && ch < 0xff) {
#if defined(KDB) && defined(ALT_BREAK_TO_DEBUGGER)
int kdb_brk;
if ((kdb_brk = kdb_alt_break(ch, &alt_break_state)) != 0) {
switch (kdb_brk) {
case KDB_REQ_DEBUGGER:
kdb_enter(KDB_WHY_BREAK,
"Break sequence on console");
break;
case KDB_REQ_PANIC:
kdb_panic("Panic sequence on console");
break;
case KDB_REQ_REBOOT:
kdb_reboot();
break;
}
}
#endif
return (ch);
}
return (-1);
}
static void
mambo_cnputc(struct consdev *cp, int c)
{
char cbuf;
cbuf = c;
mambocall(MAMBO_CONSOLE_WRITE, &cbuf, 1UL, 1UL);
}

277
sys/powerpc/mambo/mambo_disk.c Normal file
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@ -0,0 +1,277 @@
/*-
* Copyright (c) 2008 Nathan Whitehorn. 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 ``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 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/systm.h>
#include <sys/bio.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/kthread.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <geom/geom_disk.h>
#include <powerpc/mambo/mambocall.h>
struct mambodisk_softc {
device_t dev;
struct mtx sc_mtx;
struct disk *disk;
struct proc *p;
struct bio_queue_head bio_queue;
int running;
int maxblocks;
};
#define MAMBO_DISK_READ 116
#define MAMBO_DISK_WRITE 117
#define MAMBO_DISK_INFO 118
#define MAMBO_INFO_STATUS 1
#define MAMBO_INFO_BLKSZ 2
#define MAMBO_INFO_DEVSZ 3
/* bus entry points */
static void mambodisk_identify(driver_t *driver, device_t parent);
static int mambodisk_probe(device_t dev);
static int mambodisk_attach(device_t dev);
/* disk routines */
static int mambodisk_open(struct disk *dp);
static int mambodisk_close(struct disk *dp);
static void mambodisk_strategy(struct bio *bp);
static void mambodisk_task(void *arg);
#define MBODISK_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
#define MBODISK_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
#define MBODISK_LOCK_INIT(_sc) \
mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->dev), \
"mambodisk", MTX_DEF)
#define MBODISK_LOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx);
#define MBODISK_ASSERT_LOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED);
#define MBODISK_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED);
static void
mambodisk_identify(driver_t *driver, device_t parent)
{
int i = 0;
for (i = 0; mambocall(MAMBO_DISK_INFO,MAMBO_INFO_DEVSZ,i) > 0; i++)
BUS_ADD_CHILD(parent,0,"mambodisk",i);
}
static int
mambodisk_probe(device_t dev)
{
device_set_desc(dev, "Mambo Simulated Block Device");
return (0);
}
static int
mambodisk_attach(device_t dev)
{
struct mambodisk_softc *sc;
struct disk *d;
intmax_t mb;
char unit;
sc = device_get_softc(dev);
sc->dev = dev;
MBODISK_LOCK_INIT(sc);
d = sc->disk = disk_alloc();
d->d_open = mambodisk_open;
d->d_close = mambodisk_close;
d->d_strategy = mambodisk_strategy;
d->d_name = "mambodisk";
d->d_drv1 = sc;
d->d_maxsize = MAXPHYS; /* Maybe ask bridge? */
d->d_sectorsize = 512;
sc->maxblocks = mambocall(MAMBO_DISK_INFO,MAMBO_INFO_BLKSZ,d->d_unit)
/ 512;
d->d_unit = device_get_unit(dev);
d->d_mediasize = mambocall(MAMBO_DISK_INFO,MAMBO_INFO_DEVSZ,d->d_unit)
* 1024ULL; /* Mambo gives size in KB */
mb = d->d_mediasize >> 20; /* 1MiB == 1 << 20 */
unit = 'M';
if (mb >= 10240) { /* 1GiB = 1024 MiB */
unit = 'G';
mb /= 1024;
}
device_printf(dev, "%ju%cB, %d byte sectors\n", mb, unit,
d->d_sectorsize);
disk_create(d, DISK_VERSION);
bioq_init(&sc->bio_queue);
sc->running = 1;
kproc_create(&mambodisk_task, sc, &sc->p, 0, 0, "task: mambo hd");
return (0);
}
static int
mambodisk_detach(device_t dev)
{
struct mambodisk_softc *sc = device_get_softc(dev);
/* kill thread */
MBODISK_LOCK(sc);
sc->running = 0;
wakeup(sc);
MBODISK_UNLOCK(sc);
/* wait for thread to finish. XXX probably want timeout. -sorbo */
MBODISK_LOCK(sc);
while (sc->running != -1)
msleep(sc, &sc->sc_mtx, PRIBIO, "detach", 0);
MBODISK_UNLOCK(sc);
/* kill disk */
disk_destroy(sc->disk);
/* XXX destroy anything in queue */
MBODISK_LOCK_DESTROY(sc);
return (0);
}
static int
mambodisk_open(struct disk *dp)
{
return (0);
}
static int
mambodisk_close(struct disk *dp)
{
return (0);
}
static void
mambodisk_strategy(struct bio *bp)
{
struct mambodisk_softc *sc;
sc = (struct mambodisk_softc *)bp->bio_disk->d_drv1;
MBODISK_LOCK(sc);
bioq_disksort(&sc->bio_queue, bp);
wakeup(sc);
MBODISK_UNLOCK(sc);
}
static void
mambodisk_task(void *arg)
{
struct mambodisk_softc *sc = (struct mambodisk_softc*)arg;
struct bio *bp;
size_t sz;
int result;
daddr_t block, end;
device_t dev;
u_long unit;
dev = sc->dev;
unit = device_get_unit(dev);
while (sc->running) {
MBODISK_LOCK(sc);
do {
bp = bioq_first(&sc->bio_queue);
if (bp == NULL)
msleep(sc, &sc->sc_mtx, PRIBIO, "jobqueue", 0);
} while (bp == NULL && sc->running);
if (bp)
bioq_remove(&sc->bio_queue, bp);
MBODISK_UNLOCK(sc);
if (!sc->running)
break;
sz = sc->disk->d_sectorsize;
end = bp->bio_pblkno + (bp->bio_bcount / sz);
for (block = bp->bio_pblkno; block < end;) {
u_long numblocks;
char *vaddr = bp->bio_data +
(block - bp->bio_pblkno) * sz;
numblocks = end - block;
if (numblocks > sc->maxblocks)
numblocks = sc->maxblocks;
if (bp->bio_cmd == BIO_READ) {
result = mambocall(MAMBO_DISK_READ, vaddr,
(u_long)block, (numblocks << 16) | unit);
} else if (bp->bio_cmd == BIO_WRITE) {
result = mambocall(MAMBO_DISK_WRITE, vaddr,
(u_long)block, (numblocks << 16) | unit);
} else {
result = 1;
}
if (result)
break;
block += numblocks;
}
if (block < end) {
bp->bio_error = EIO;
bp->bio_resid = (end - block) * sz;
bp->bio_flags |= BIO_ERROR;
}
biodone(bp);
}
/* tell parent we're done */
MBODISK_LOCK(sc);
sc->running = -1;
wakeup(sc);
MBODISK_UNLOCK(sc);
kproc_exit(0);
}
static device_method_t mambodisk_methods[] = {
DEVMETHOD(device_identify, mambodisk_identify),
DEVMETHOD(device_probe, mambodisk_probe),
DEVMETHOD(device_attach, mambodisk_attach),
DEVMETHOD(device_detach, mambodisk_detach),
{0, 0},
};
static driver_t mambodisk_driver = {
"mambodisk",
mambodisk_methods,
sizeof(struct mambodisk_softc),
};
static devclass_t mambodisk_devclass;
DRIVER_MODULE(mambodisk, mambo, mambodisk_driver, mambodisk_devclass, 0, 0);

180
sys/powerpc/mambo/mambo_openpic.c Normal file
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@ -0,0 +1,180 @@
/*-
* Copyright 2008 by Nathan Whitehorn. 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 ``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 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/systm.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/openfirm.h>
#include <machine/bus.h>
#include <machine/intr_machdep.h>
#include <machine/md_var.h>
#include <machine/pio.h>
#include <machine/resource.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <sys/rman.h>
#include <machine/openpicvar.h>
#include "pic_if.h"
/*
* Mambo interface
*/
static int openpic_mambo_probe(device_t);
static uint32_t openpic_mambo_id(device_t dev);
static int openpicbus_mambo_probe(device_t dev);
static int openpicbus_mambo_attach(device_t dev);
static struct resource *openpicbus_alloc_resource(device_t bus, device_t dev,
int type, int *rid, u_long start, u_long end, u_long count,
u_int flags);
static device_method_t openpicbus_mambo_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, openpicbus_mambo_probe),
DEVMETHOD(device_attach, openpicbus_mambo_attach),
/* Bus interface */
DEVMETHOD(bus_alloc_resource, openpicbus_alloc_resource),
{0,0}
};
struct openpicbus_softc {
vm_offset_t picaddr;
};
static driver_t openpicbus_mambo_driver = {
"openpicbus",
openpicbus_mambo_methods,
sizeof(struct openpicbus_softc),
};
static device_method_t openpic_mambo_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, openpic_mambo_probe),
DEVMETHOD(device_attach, openpic_attach),
/* PIC interface */
DEVMETHOD(pic_config, openpic_config),
DEVMETHOD(pic_dispatch, openpic_dispatch),
DEVMETHOD(pic_enable, openpic_enable),
DEVMETHOD(pic_eoi, openpic_eoi),
DEVMETHOD(pic_ipi, openpic_ipi),
DEVMETHOD(pic_mask, openpic_mask),
DEVMETHOD(pic_unmask, openpic_unmask),
DEVMETHOD(pic_id, openpic_mambo_id),
{ 0, 0 },
};
static driver_t openpic_mambo_driver = {
"openpic",
openpic_mambo_methods,
sizeof(struct openpic_softc),
};
static devclass_t openpicbus_devclass;
DRIVER_MODULE(openpicbus, nexus, openpicbus_mambo_driver,
openpicbus_devclass, 0, 0);
DRIVER_MODULE(openpic, openpicbus, openpic_mambo_driver,
openpic_devclass, 0, 0);
static int
openpicbus_mambo_probe(device_t dev)
{
const char *type = ofw_bus_get_type(dev);
if (type == NULL || strcmp(type, "open-pic") != 0)
return (ENXIO);
device_set_desc(dev, "Mambo OpenPIC Container");
return (0);
}
static int
openpicbus_mambo_attach(device_t dev)
{
uint64_t picaddr;
phandle_t nexus;
struct openpicbus_softc *sc;
sc = device_get_softc(dev);
nexus = OF_parent(ofw_bus_get_node(dev));
OF_getprop(nexus,"platform-open-pic",
&picaddr,sizeof(picaddr));
sc->picaddr = picaddr;
device_add_child(dev,"openpic",-1);
return (bus_generic_attach(dev));
}
static struct resource *
openpicbus_alloc_resource(device_t bus, device_t dev, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct openpicbus_softc *sc;
sc = device_get_softc(bus);
count = 0x40000;
start = sc->picaddr;
end = start + count;
return (bus_alloc_resource(bus, type, rid, start, end, count, flags));
}
static int
openpic_mambo_probe(device_t dev)
{
device_set_desc(dev, OPENPIC_DEVSTR);
return (0);
}
static uint32_t
openpic_mambo_id(device_t dev)
{
return (ofw_bus_get_node(device_get_parent(dev)));
}

39
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@ -0,0 +1,39 @@
/*-
* Copyright 2008 by Nathan Whitehorn. 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 ``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 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 <machine/asm.h>
.text
ASENTRY(mambocall)
/*
* Use the special Mambo callout opcode and whatever arguments we
* were passed. Then return whatever Mambo returned.
*/
.long 0x000EAEB0
blr

33
sys/powerpc/mambo/mambocall.h Normal file
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/*-
* Copyright 2008 by Nathan Whitehorn. 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 ``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 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 _MAMBO_MAMBOCALL_H_
#define _MAMBO_MAMBOCALL_H_
long mambocall(int op, ...);
#endif /* _MAMBO_MAMBOCALL_H_ */