1/*-
2 * Copyright (c) 2001 Mitsuru IWASAKI
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/i386/acpica/acpi_machdep.c 241856 2012-10-22 03:41:14Z eadler $");
29
30#include <sys/param.h>
31#include <sys/bus.h>
32#include <sys/kernel.h>
33#include <sys/module.h>
34#include <sys/sysctl.h>
35
36#include <vm/vm.h>

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263 ACPI_PHYSICAL_ADDRESS rsdp_ptr;
264 ACPI_TABLE_RSDP *rsdp;
265 ACPI_TABLE_RSDT *rsdt;
266 ACPI_TABLE_XSDT *xsdt;
267 ACPI_TABLE_HEADER *table;
268 vm_paddr_t addr;
269 int i, count;
270
271 /*
272 * Map in the RSDP. Since ACPI uses AcpiOsMapMemory() which in turn
273 * calls pmap_mapbios() to find the RSDP, we assume that we can use
274 * pmap_mapbios() to map the RSDP.
275 */
276 if ((rsdp_ptr = AcpiOsGetRootPointer()) == 0)
277 return (0);
278 rsdp = pmap_mapbios(rsdp_ptr, sizeof(ACPI_TABLE_RSDP));

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