Move the legacy(4) driver to x86.
This commit is contained in:
John Baldwin
parent
b64bbced28
commit
435803f3c7
@ -1,348 +0,0 @@
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/*-
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* Copyright 1998 Massachusetts Institute of Technology
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby
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* granted, provided that both the above copyright notice and this
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* permission notice appear in all copies, that both the above
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* copyright notice and this permission notice appear in all
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* supporting documentation, and that the name of M.I.T. not be used
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* in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission. M.I.T. makes
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
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* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
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* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* This code implements a system driver for legacy systems that do not
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* support ACPI or when ACPI support is not present in the kernel.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/cpu.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <machine/bus.h>
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#include <sys/pcpu.h>
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#include <sys/rman.h>
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#include <sys/smp.h>
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#include <machine/clock.h>
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#include <machine/legacyvar.h>
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#include <machine/resource.h>
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static MALLOC_DEFINE(M_LEGACYDEV, "legacydrv", "legacy system device");
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struct legacy_device {
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int lg_pcibus;
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int lg_pcislot;
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int lg_pcifunc;
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};
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#define DEVTOAT(dev) ((struct legacy_device *)device_get_ivars(dev))
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static int legacy_probe(device_t);
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static int legacy_attach(device_t);
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static int legacy_print_child(device_t, device_t);
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static device_t legacy_add_child(device_t bus, u_int order, const char *name,
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int unit);
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static int legacy_read_ivar(device_t, device_t, int, uintptr_t *);
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static int legacy_write_ivar(device_t, device_t, int, uintptr_t);
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static device_method_t legacy_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, legacy_probe),
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DEVMETHOD(device_attach, legacy_attach),
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DEVMETHOD(device_detach, bus_generic_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface */
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DEVMETHOD(bus_print_child, legacy_print_child),
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DEVMETHOD(bus_add_child, legacy_add_child),
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DEVMETHOD(bus_read_ivar, legacy_read_ivar),
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DEVMETHOD(bus_write_ivar, legacy_write_ivar),
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DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
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DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource),
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DEVMETHOD(bus_release_resource, bus_generic_release_resource),
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DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
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DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
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DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
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DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
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{ 0, 0 }
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};
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static driver_t legacy_driver = {
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"legacy",
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legacy_methods,
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1, /* no softc */
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};
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static devclass_t legacy_devclass;
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DRIVER_MODULE(legacy, nexus, legacy_driver, legacy_devclass, 0, 0);
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static int
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legacy_probe(device_t dev)
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{
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device_set_desc(dev, "legacy system");
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device_quiet(dev);
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return (0);
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}
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static int
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legacy_attach(device_t dev)
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{
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device_t child;
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/*
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* Let our child drivers identify any child devices that they
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* can find. Once that is done attach any devices that we
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* found.
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*/
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bus_generic_probe(dev);
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bus_generic_attach(dev);
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/*
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* If we didn't see ISA on a pci bridge, create some
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* connection points now so it shows up "on motherboard".
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*/
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if (!devclass_get_device(devclass_find("isa"), 0)) {
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child = BUS_ADD_CHILD(dev, 0, "isa", 0);
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if (child == NULL)
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panic("legacy_attach isa");
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device_probe_and_attach(child);
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}
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return 0;
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}
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static int
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legacy_print_child(device_t bus, device_t child)
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{
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struct legacy_device *atdev = DEVTOAT(child);
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int retval = 0;
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retval += bus_print_child_header(bus, child);
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if (atdev->lg_pcibus != -1)
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retval += printf(" pcibus %d", atdev->lg_pcibus);
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retval += printf(" on motherboard\n"); /* XXX "motherboard", ick */
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return (retval);
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}
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static device_t
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legacy_add_child(device_t bus, u_int order, const char *name, int unit)
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{
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device_t child;
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struct legacy_device *atdev;
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atdev = malloc(sizeof(struct legacy_device), M_LEGACYDEV,
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M_NOWAIT | M_ZERO);
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if (atdev == NULL)
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return(NULL);
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atdev->lg_pcibus = -1;
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atdev->lg_pcislot = -1;
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atdev->lg_pcifunc = -1;
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child = device_add_child_ordered(bus, order, name, unit);
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if (child == NULL)
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free(atdev, M_LEGACYDEV);
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else
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/* should we free this in legacy_child_detached? */
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device_set_ivars(child, atdev);
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return (child);
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}
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static int
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legacy_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
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{
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struct legacy_device *atdev = DEVTOAT(child);
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switch (which) {
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case LEGACY_IVAR_PCIDOMAIN:
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*result = 0;
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break;
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case LEGACY_IVAR_PCIBUS:
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*result = atdev->lg_pcibus;
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break;
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case LEGACY_IVAR_PCISLOT:
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*result = atdev->lg_pcislot;
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break;
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case LEGACY_IVAR_PCIFUNC:
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*result = atdev->lg_pcifunc;
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break;
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default:
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return ENOENT;
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}
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return 0;
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}
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static int
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legacy_write_ivar(device_t dev, device_t child, int which, uintptr_t value)
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{
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struct legacy_device *atdev = DEVTOAT(child);
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switch (which) {
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case LEGACY_IVAR_PCIDOMAIN:
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return EINVAL;
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case LEGACY_IVAR_PCIBUS:
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atdev->lg_pcibus = value;
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break;
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case LEGACY_IVAR_PCISLOT:
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atdev->lg_pcislot = value;
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break;
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case LEGACY_IVAR_PCIFUNC:
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atdev->lg_pcifunc = value;
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break;
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default:
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return ENOENT;
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}
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return 0;
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}
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/*
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* Legacy CPU attachment when ACPI is not available. Drivers like
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* cpufreq(4) hang off this.
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*/
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static void cpu_identify(driver_t *driver, device_t parent);
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static int cpu_read_ivar(device_t dev, device_t child, int index,
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uintptr_t *result);
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static device_t cpu_add_child(device_t bus, u_int order, const char *name,
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int unit);
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static struct resource_list *cpu_get_rlist(device_t dev, device_t child);
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struct cpu_device {
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struct resource_list cd_rl;
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struct pcpu *cd_pcpu;
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};
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static device_method_t cpu_methods[] = {
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/* Device interface */
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DEVMETHOD(device_identify, cpu_identify),
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DEVMETHOD(device_probe, bus_generic_probe),
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DEVMETHOD(device_attach, bus_generic_attach),
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DEVMETHOD(device_detach, bus_generic_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface */
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DEVMETHOD(bus_add_child, cpu_add_child),
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DEVMETHOD(bus_read_ivar, cpu_read_ivar),
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DEVMETHOD(bus_get_resource_list, cpu_get_rlist),
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DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource),
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DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource),
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DEVMETHOD(bus_alloc_resource, bus_generic_rl_alloc_resource),
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DEVMETHOD(bus_release_resource, bus_generic_rl_release_resource),
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DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
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DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
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DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
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DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
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DEVMETHOD_END
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};
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static driver_t cpu_driver = {
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"cpu",
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cpu_methods,
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1, /* no softc */
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};
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static devclass_t cpu_devclass;
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DRIVER_MODULE(cpu, legacy, cpu_driver, cpu_devclass, 0, 0);
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static void
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cpu_identify(driver_t *driver, device_t parent)
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{
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device_t child;
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int i;
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/*
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* Attach a cpuX device for each CPU. We use an order of 150
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* so that these devices are attached after the Host-PCI
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* bridges (which are added at order 100).
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*/
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CPU_FOREACH(i) {
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child = BUS_ADD_CHILD(parent, 150, "cpu", i);
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if (child == NULL)
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panic("legacy_attach cpu");
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}
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}
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static device_t
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cpu_add_child(device_t bus, u_int order, const char *name, int unit)
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{
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struct cpu_device *cd;
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device_t child;
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struct pcpu *pc;
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if ((cd = malloc(sizeof(*cd), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL)
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return (NULL);
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resource_list_init(&cd->cd_rl);
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pc = pcpu_find(device_get_unit(bus));
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cd->cd_pcpu = pc;
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child = device_add_child_ordered(bus, order, name, unit);
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if (child != NULL) {
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pc->pc_device = child;
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device_set_ivars(child, cd);
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} else
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free(cd, M_DEVBUF);
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return (child);
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}
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static struct resource_list *
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cpu_get_rlist(device_t dev, device_t child)
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{
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struct cpu_device *cpdev;
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cpdev = device_get_ivars(child);
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return (&cpdev->cd_rl);
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}
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static int
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cpu_read_ivar(device_t dev, device_t child, int index, uintptr_t *result)
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{
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struct cpu_device *cpdev;
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switch (index) {
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case CPU_IVAR_PCPU:
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cpdev = device_get_ivars(child);
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*result = (uintptr_t)cpdev->cd_pcpu;
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break;
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case CPU_IVAR_NOMINAL_MHZ:
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if (tsc_is_invariant) {
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*result = (uintptr_t)(atomic_load_acq_64(&tsc_freq) /
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1000000);
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break;
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}
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/* FALLTHROUGH */
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default:
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return (ENOENT);
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}
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return (0);
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}
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@ -113,7 +113,6 @@ amd64/amd64/identcpu.c standard
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amd64/amd64/in_cksum.c optional inet | inet6
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amd64/amd64/initcpu.c standard
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amd64/amd64/io.c optional io
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amd64/amd64/legacy.c standard
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amd64/amd64/locore.S standard no-obj
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amd64/amd64/machdep.c standard
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amd64/amd64/mem.c optional mem
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@ -477,6 +476,7 @@ x86/x86/busdma_machdep.c standard
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x86/x86/dump_machdep.c standard
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x86/x86/intr_machdep.c standard
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x86/x86/io_apic.c standard
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x86/x86/legacy.c standard
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x86/x86/local_apic.c standard
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x86/x86/mca.c standard
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x86/x86/mptable.c optional mptable
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@ -408,7 +408,6 @@ i386/i386/in_cksum.c optional inet | inet6
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i386/i386/initcpu.c standard
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i386/i386/io.c optional io
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i386/i386/k6_mem.c optional mem
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i386/i386/legacy.c optional native
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i386/i386/locore.s optional native no-obj
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i386/xen/locore.s optional xen no-obj
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i386/i386/longrun.c optional cpu_enable_longrun
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@ -529,6 +528,7 @@ x86/x86/busdma_machdep.c standard
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x86/x86/dump_machdep.c standard
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x86/x86/intr_machdep.c standard
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x86/x86/io_apic.c optional apic
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x86/x86/legacy.c optional native
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x86/x86/local_apic.c optional apic
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x86/x86/mca.c standard
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x86/x86/mptable.c optional apic native
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@ -147,7 +147,6 @@ i386/i386/in_cksum.c optional inet | inet6
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i386/i386/initcpu.c standard
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i386/i386/io.c optional io
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i386/i386/k6_mem.c optional mem
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i386/i386/legacy.c standard
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i386/i386/locore.s standard no-obj
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i386/i386/mem.c optional mem
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i386/i386/minidump_machdep.c standard
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@ -252,6 +251,7 @@ x86/x86/busdma_machdep.c standard
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x86/x86/dump_machdep.c standard
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x86/x86/intr_machdep.c standard
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x86/x86/io_apic.c optional apic
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x86/x86/legacy.c standard
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x86/x86/local_apic.c optional apic
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x86/x86/mca.c standard
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x86/x86/mptable.c optional apic
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@ -1,63 +0,0 @@
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/*-
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* Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
|
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* 2. Redistributions in binary form must reproduce the above copyright
|
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* 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
|
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_LEGACYVAR_H_
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#define _MACHINE_LEGACYVAR_H_
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enum legacy_device_ivars {
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LEGACY_IVAR_PCIDOMAIN,
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LEGACY_IVAR_PCIBUS,
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LEGACY_IVAR_PCISLOT,
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LEGACY_IVAR_PCIFUNC
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};
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#define LEGACY_ACCESSOR(var, ivar, type) \
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__BUS_ACCESSOR(legacy, var, LEGACY, ivar, type)
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LEGACY_ACCESSOR(pcidomain, PCIDOMAIN, uint32_t)
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LEGACY_ACCESSOR(pcibus, PCIBUS, uint32_t)
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LEGACY_ACCESSOR(pcislot, PCISLOT, int)
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LEGACY_ACCESSOR(pcifunc, PCIFUNC, int)
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#undef LEGACY_ACCESSOR
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int legacy_pcib_maxslots(device_t dev);
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uint32_t legacy_pcib_read_config(device_t dev, u_int bus, u_int slot, u_int func,
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u_int reg, int bytes);
|
||||
int legacy_pcib_read_ivar(device_t dev, device_t child, int which,
|
||||
uintptr_t *result);
|
||||
void legacy_pcib_write_config(device_t dev, u_int bus, u_int slot, u_int func,
|
||||
u_int reg, u_int32_t data, int bytes);
|
||||
int legacy_pcib_write_ivar(device_t dev, device_t child, int which,
|
||||
uintptr_t value);
|
||||
struct resource *legacy_pcib_alloc_resource(device_t dev, device_t child,
|
||||
int type, int *rid, u_long start, u_long end, u_long count, u_int flags);
|
||||
int legacy_pcib_map_msi(device_t pcib, device_t dev, int irq,
|
||||
uint64_t *addr, uint32_t *data);
|
||||
|
||||
#endif /* !_MACHINE_LEGACYVAR_H_ */
|
||||
@ -54,7 +54,7 @@ __FBSDID("$FreeBSD$");
|
||||
#include <vm/pmap.h>
|
||||
#include <machine/bus.h>
|
||||
#include <machine/xbox.h>
|
||||
#include <machine/legacyvar.h>
|
||||
#include <x86/legacyvar.h>
|
||||
#include <dev/fb/fbreg.h>
|
||||
#include <dev/fb/gfb.h>
|
||||
#include <dev/syscons/syscons.h>
|
||||
|
||||
@ -1,6 +0,0 @@
|
||||
/*-
|
||||
* This file is in the public domain.
|
||||
*/
|
||||
/* $FreeBSD$ */
|
||||
|
||||
#include <i386/legacyvar.h>
|
||||
@ -26,8 +26,8 @@
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _MACHINE_LEGACYVAR_H_
|
||||
#define _MACHINE_LEGACYVAR_H_
|
||||
#ifndef _X86_LEGACYVAR_H_
|
||||
#define _X86_LEGACYVAR_H_
|
||||
|
||||
enum legacy_device_ivars {
|
||||
LEGACY_IVAR_PCIDOMAIN,
|
||||
@ -60,4 +60,4 @@ struct resource *legacy_pcib_alloc_resource(device_t dev, device_t child,
|
||||
int legacy_pcib_map_msi(device_t pcib, device_t dev, int irq,
|
||||
uint64_t *addr, uint32_t *data);
|
||||
|
||||
#endif /* !_MACHINE_LEGACYVAR_H_ */
|
||||
#endif /* !_X86_LEGACYVAR_H_ */
|
||||
@ -45,7 +45,7 @@ __FBSDID("$FreeBSD$");
|
||||
#ifdef CPU_ELAN
|
||||
#include <machine/md_var.h>
|
||||
#endif
|
||||
#include <machine/legacyvar.h>
|
||||
#include <x86/legacyvar.h>
|
||||
#include <machine/pci_cfgreg.h>
|
||||
#include <machine/resource.h>
|
||||
|
||||
|
||||
@ -27,6 +27,10 @@
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifdef __i386__
|
||||
#include "opt_eisa.h"
|
||||
#include "opt_mca.h"
|
||||
#endif
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
@ -47,14 +51,13 @@ __FBSDID("$FreeBSD$");
|
||||
#include <sys/rman.h>
|
||||
#include <sys/smp.h>
|
||||
|
||||
#include "opt_mca.h"
|
||||
#ifdef DEV_MCA
|
||||
#include <i386/bios/mca_machdep.h>
|
||||
#endif
|
||||
|
||||
#include <machine/clock.h>
|
||||
#include <machine/legacyvar.h>
|
||||
#include <machine/resource.h>
|
||||
#include <x86/legacyvar.h>
|
||||
|
||||
static MALLOC_DEFINE(M_LEGACYDEV, "legacydrv", "legacy system device");
|
||||
struct legacy_device {
|
||||
@ -129,11 +132,11 @@ legacy_attach(device_t dev)
|
||||
bus_generic_probe(dev);
|
||||
bus_generic_attach(dev);
|
||||
|
||||
#ifndef PC98
|
||||
/*
|
||||
* If we didn't see EISA or ISA on a pci bridge, create some
|
||||
* connection points now so they show up "on motherboard".
|
||||
*/
|
||||
#ifdef DEV_EISA
|
||||
if (!devclass_get_device(devclass_find("eisa"), 0)) {
|
||||
child = BUS_ADD_CHILD(dev, 0, "eisa", 0);
|
||||
if (child == NULL)
|
||||
@ -46,7 +46,7 @@ __FBSDID("$FreeBSD$");
|
||||
#include <dev/pci/pcivar.h>
|
||||
#include <dev/pci/pcib_private.h>
|
||||
#include <x86/mptable.h>
|
||||
#include <machine/legacyvar.h>
|
||||
#include <x86/legacyvar.h>
|
||||
#include <machine/pci_cfgreg.h>
|
||||
|
||||
#include "pcib_if.h"
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user