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authormsmith <msmith@FreeBSD.org>2001-07-07 22:23:56 +0000
committermsmith <msmith@FreeBSD.org>2001-07-07 22:23:56 +0000
commitc898163114d7f06e87c3f2303226f3b6c4132549 (patch)
tree62028ca4df0b1fb01d94bdd440165c4159327361 /sys/dev
parent7a1f21162cc9a64514dd90db366d181d03939178 (diff)
downloadFreeBSD-src-c898163114d7f06e87c3f2303226f3b6c4132549.zip
FreeBSD-src-c898163114d7f06e87c3f2303226f3b6c4132549.tar.gz
Nuke the ACPI APIC driver. The ACPI CA infrastructure it depended on
is gone, and it's not coming back, and the whole driver needed to be rethrought to deal with a major chicken-and-egg consideration.
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/acpica/acpi_apic.c164
1 files changed, 0 insertions, 164 deletions
diff --git a/sys/dev/acpica/acpi_apic.c b/sys/dev/acpica/acpi_apic.c
deleted file mode 100644
index b193d8b..0000000
--- a/sys/dev/acpica/acpi_apic.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*-
- * Copyright (c) 2000 Michael Smith
- * Copyright (c) 2000 BSDi
- * 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.
- *
- * $FreeBSD$
- */
-
-/*
- * XXX This is all pretty dubious, since we really want the APIC and co.
- * up and running long before attaching interrupts, etc.
- */
-
-#include "opt_acpi.h"
-#include <sys/param.h>
-#include <sys/kernel.h>
-#include <sys/bus.h>
-
-#include "acpi.h"
-
-#include <dev/acpica/acpivar.h>
-
-#define APIC_MAGIC 0x43495041 /* "APIC" */
-
-struct acpi_apic_softc {
- device_t apic_dev;
- IO_APIC *apic_ioapic;
-};
-
-static void acpi_apic_identify(driver_t *driver, device_t bus);
-static int acpi_apic_probe(device_t dev);
-static int acpi_apic_attach(device_t dev);
-
-static device_method_t acpi_apic_methods[] = {
- /* Device interface */
- DEVMETHOD(device_identify, acpi_apic_identify),
- DEVMETHOD(device_probe, acpi_apic_probe),
- DEVMETHOD(device_attach, acpi_apic_attach),
-
- {0, 0}
-};
-
-static driver_t acpi_apic_driver = {
- "acpi_apic",
- acpi_apic_methods,
- sizeof(struct acpi_apic_softc),
-};
-
-devclass_t acpi_apic_devclass;
-DRIVER_MODULE(acpi_apic, acpi, acpi_apic_driver, acpi_apic_devclass, 0, 0);
-
-static void
-acpi_apic_identify(driver_t *driver, device_t bus)
-{
-#if 1
-
- return;
-#else /* broken by new ACPICA update that doesn't support the APIC table */
- ACPI_BUFFER buf;
- ACPI_STATUS status;
- APIC_HEADER *hdr;
- APIC_TABLE *tbl;
- device_t child;
- int len;
- void *private;
-
- /*
- * Perform the tedious double-get to fetch the actual table.
- */
- buf.Length = 0;
- buf.Pointer = NULL;
- if ((status = AcpiGetTable(ACPI_TABLE_APIC, 1, &buf)) != AE_BUFFER_OVERFLOW) {
- if (status != AE_NOT_EXIST)
- device_printf(bus, "error sizing APIC table - %s\n", acpi_strerror(status));
- return;
- }
- if ((buf.Pointer = AcpiOsAllocate(buf.Length)) == NULL)
- return;
- if ((status = AcpiGetTable(ACPI_TABLE_APIC, 1, &buf)) != AE_OK) {
- device_printf(bus, "error fetching APIC table - %s\n", acpi_strerror(status));
- return;
- }
-
- /*
- * Scan the tables, create child devices for each I/O APIC found
- */
- tbl = (APIC_TABLE *)buf.Pointer;
- len = tbl->header.Length - sizeof(APIC_TABLE);
- hdr = (APIC_HEADER *)((char *)buf.Pointer + sizeof(APIC_TABLE));
- while(len > 0) {
- if (hdr->Length > len) {
- device_printf(bus, "APIC header corrupt (claims %d bytes where only %d left in structure)\n",
- hdr->Length, len);
- break;
- }
- switch (hdr->Type) {
- case APIC_IO:
- if ((child = BUS_ADD_CHILD(bus, 0, "acpi_apic", -1)) == NULL) {
- device_printf(bus, "could not create I/O APIC device");
- break;
- }
- if ((private = AcpiOsAllocate(hdr->Length)) == NULL) {
- device_printf(bus, "could not allocate memory for APIC child");
- break;
- }
- bcopy(hdr, private, hdr->Length);
- acpi_set_magic(child, APIC_MAGIC);
- acpi_set_private(child, private);
- device_set_desc(child, "I/O APIC");
- break;
- }
- len -= hdr->Length;
- hdr = (APIC_HEADER *)((char *)hdr + hdr->Length);
- }
-
- AcpiOsFree(buf.Pointer);
-#endif
-}
-
-static int
-acpi_apic_probe(device_t dev)
-{
- if (acpi_get_magic(dev) == APIC_MAGIC)
- return(0);
- return(ENXIO);
-}
-
-static int
-acpi_apic_attach(device_t dev)
-{
- struct acpi_apic_softc *sc;
-
- sc = device_get_softc(dev);
- sc->apic_dev = dev;
-
- /*
- * Fetch our parameters.
- */
- sc->apic_ioapic = acpi_get_private(dev);
- device_printf(dev, "I/O APIC ID %d at 0x%08x vectors 0%x\n",
- sc->apic_ioapic->IoApicId, sc->apic_ioapic->IoApicAddress, sc->apic_ioapic->Vector);
- return(0);
-}
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