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-rw-r--r--sys/i386/bios/smbios.c277
1 files changed, 0 insertions, 277 deletions
diff --git a/sys/i386/bios/smbios.c b/sys/i386/bios/smbios.c
deleted file mode 100644
index f38d985..0000000
--- a/sys/i386/bios/smbios.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/*-
- * Copyright (c) 2003 Matthew N. Dodd <winter@jurai.net>
- * 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/socket.h>
-
-#include <sys/module.h>
-#include <sys/bus.h>
-
-#include <machine/bus.h>
-#include <machine/resource.h>
-#include <sys/rman.h>
-
-#include <vm/vm.h>
-#include <vm/vm_param.h>
-#include <vm/pmap.h>
-#include <machine/md_var.h>
-#include <machine/pc/bios.h>
-
-/*
- * System Management BIOS Reference Specification, v2.4 Final
- * http://www.dmtf.org/standards/published_documents/DSP0134.pdf
- */
-
-/*
- * SMBIOS Entry Point Structure
- */
-struct smbios_eps {
- u_int8_t Anchor[4]; /* '_SM_' */
- u_int8_t Checksum;
- u_int8_t Length;
-
- u_int8_t SMBIOS_Major;
- u_int8_t SMBIOS_Minor;
- u_int16_t Max_Size;
- u_int8_t Revision;
- u_int8_t Formatted_Area[5];
-
- u_int8_t Intermediate_Anchor[5]; /* '_DMI_' */
- u_int8_t Intermediate_Checksum;
-
- u_int16_t Structure_Table_Length;
- u_int32_t Structure_Table_Address;
- u_int16_t Structure_Count;
-
- u_int8_t SMBIOS_BCD_Revision;
-} __packed;
-
-struct smbios_softc {
- device_t dev;
- struct resource * res;
- int rid;
-
- struct smbios_eps * eps;
-};
-
-#define SMBIOS_START 0xf0000
-#define SMBIOS_STEP 0x10
-#define SMBIOS_OFF 0
-#define SMBIOS_LEN 4
-#define SMBIOS_SIG "_SM_"
-
-#define RES2EPS(res) ((struct smbios_eps *)rman_get_virtual(res))
-#define ADDR2EPS(addr) ((struct smbios_eps *)BIOS_PADDRTOVADDR(addr))
-
-static devclass_t smbios_devclass;
-
-static void smbios_identify (driver_t *, device_t);
-static int smbios_probe (device_t);
-static int smbios_attach (device_t);
-static int smbios_detach (device_t);
-static int smbios_modevent (module_t, int, void *);
-
-static int smbios_cksum (struct smbios_eps *);
-
-static void
-smbios_identify (driver_t *driver, device_t parent)
-{
- device_t child;
- u_int32_t addr;
- int length;
- int rid;
-
- if (!device_is_alive(parent))
- return;
-
- addr = bios_sigsearch(SMBIOS_START, SMBIOS_SIG, SMBIOS_LEN,
- SMBIOS_STEP, SMBIOS_OFF);
- if (addr != 0) {
- rid = 0;
- length = ADDR2EPS(addr)->Length;
-
- if (length != 0x1f) {
- u_int8_t major, minor;
-
- major = ADDR2EPS(addr)->SMBIOS_Major;
- minor = ADDR2EPS(addr)->SMBIOS_Minor;
-
- /* SMBIOS v2.1 implementation might use 0x1e. */
- if (length == 0x1e && major == 2 && minor == 1)
- length = 0x1f;
- else
- return;
- }
-
- child = BUS_ADD_CHILD(parent, 5, "smbios", -1);
- device_set_driver(child, driver);
- bus_set_resource(child, SYS_RES_MEMORY, rid, addr, length);
- device_set_desc(child, "System Management BIOS");
- }
-
- return;
-}
-
-static int
-smbios_probe (device_t dev)
-{
- struct resource *res;
- int rid;
- int error;
-
- error = 0;
- rid = 0;
- res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
- if (res == NULL) {
- device_printf(dev, "Unable to allocate memory resource.\n");
- error = ENOMEM;
- goto bad;
- }
-
- if (smbios_cksum(RES2EPS(res))) {
- device_printf(dev, "SMBIOS checksum failed.\n");
- error = ENXIO;
- goto bad;
- }
-
-bad:
- if (res)
- bus_release_resource(dev, SYS_RES_MEMORY, rid, res);
- return (error);
-}
-
-static int
-smbios_attach (device_t dev)
-{
- struct smbios_softc *sc;
- int error;
-
- sc = device_get_softc(dev);
- error = 0;
-
- sc->dev = dev;
- sc->rid = 0;
- sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->rid,
- RF_ACTIVE);
- if (sc->res == NULL) {
- device_printf(dev, "Unable to allocate memory resource.\n");
- error = ENOMEM;
- goto bad;
- }
- sc->eps = RES2EPS(sc->res);
-
- device_printf(dev, "Version: %u.%u",
- sc->eps->SMBIOS_Major, sc->eps->SMBIOS_Minor);
- if (bcd2bin(sc->eps->SMBIOS_BCD_Revision))
- printf(", BCD Revision: %u.%u",
- bcd2bin(sc->eps->SMBIOS_BCD_Revision >> 4),
- bcd2bin(sc->eps->SMBIOS_BCD_Revision & 0x0f));
- printf("\n");
-
- return (0);
-bad:
- if (sc->res)
- bus_release_resource(dev, SYS_RES_MEMORY, sc->rid, sc->res);
- return (error);
-}
-
-static int
-smbios_detach (device_t dev)
-{
- struct smbios_softc *sc;
-
- sc = device_get_softc(dev);
-
- if (sc->res)
- bus_release_resource(dev, SYS_RES_MEMORY, sc->rid, sc->res);
-
- return (0);
-}
-
-static int
-smbios_modevent (mod, what, arg)
- module_t mod;
- int what;
- void * arg;
-{
- device_t * devs;
- int count;
- int i;
-
- switch (what) {
- case MOD_LOAD:
- break;
- case MOD_UNLOAD:
- devclass_get_devices(smbios_devclass, &devs, &count);
- for (i = 0; i < count; i++) {
- device_delete_child(device_get_parent(devs[i]), devs[i]);
- }
- break;
- default:
- break;
- }
-
- return (0);
-}
-
-static device_method_t smbios_methods[] = {
- /* Device interface */
- DEVMETHOD(device_identify, smbios_identify),
- DEVMETHOD(device_probe, smbios_probe),
- DEVMETHOD(device_attach, smbios_attach),
- DEVMETHOD(device_detach, smbios_detach),
- { 0, 0 }
-};
-
-static driver_t smbios_driver = {
- "smbios",
- smbios_methods,
- sizeof(struct smbios_softc),
-};
-
-DRIVER_MODULE(smbios, nexus, smbios_driver, smbios_devclass, smbios_modevent, 0);
-MODULE_VERSION(smbios, 1);
-
-static int
-smbios_cksum (struct smbios_eps *e)
-{
- u_int8_t *ptr;
- u_int8_t cksum;
- int i;
-
- ptr = (u_int8_t *)e;
- cksum = 0;
- for (i = 0; i < e->Length; i++) {
- cksum += ptr[i];
- }
-
- return (cksum);
-}
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