108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/*-
|
|
* Copyright (c) 2002 Mitsaru Iwasaki
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* ACPI Table interfaces
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/endian.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/linker.h>
|
|
|
|
#include <contrib/dev/acpica/include/acpi.h>
|
|
#include <contrib/dev/acpica/include/actables.h>
|
|
|
|
#undef _COMPONENT
|
|
#define _COMPONENT ACPI_TABLES
|
|
|
|
static char acpi_osname[128];
|
|
TUNABLE_STR("hw.acpi.osname", acpi_osname, sizeof(acpi_osname));
|
|
|
|
ACPI_STATUS
|
|
AcpiOsPredefinedOverride(const ACPI_PREDEFINED_NAMES *InitVal,
|
|
ACPI_STRING *NewVal)
|
|
{
|
|
|
|
if (InitVal == NULL || NewVal == NULL)
|
|
return (AE_BAD_PARAMETER);
|
|
|
|
*NewVal = NULL;
|
|
if (ACPI_COMPARE_NAME(InitVal->Name, "_OS_") &&
|
|
InitVal->Type == ACPI_TYPE_STRING && strlen(acpi_osname) > 0) {
|
|
printf("ACPI: Overriding _OS definition with \"%s\"\n",
|
|
acpi_osname);
|
|
*NewVal = acpi_osname;
|
|
}
|
|
return (AE_OK);
|
|
}
|
|
|
|
ACPI_STATUS
|
|
AcpiOsTableOverride(ACPI_TABLE_HEADER *ExistingTable,
|
|
ACPI_TABLE_HEADER **NewTable)
|
|
{
|
|
char modname[] = "acpi_dsdt";
|
|
caddr_t acpi_table;
|
|
ACPI_TABLE_HEADER *hdr;
|
|
size_t sz;
|
|
|
|
if (ExistingTable == NULL || NewTable == NULL)
|
|
return (AE_BAD_PARAMETER);
|
|
|
|
*NewTable = NULL;
|
|
if (!ACPI_COMPARE_NAME(ExistingTable->Signature, ACPI_SIG_DSDT))
|
|
#ifdef notyet
|
|
for (int i = 0; i < ACPI_NAME_SIZE; i++)
|
|
modname[i + 5] = tolower(ExistingTable->Signature[i]);
|
|
#else
|
|
return (AE_SUPPORT);
|
|
#endif
|
|
acpi_table = preload_search_by_type(modname);
|
|
if (acpi_table == NULL)
|
|
return (AE_NOT_FOUND);
|
|
hdr = preload_fetch_addr(acpi_table);
|
|
sz = preload_fetch_size(acpi_table);
|
|
if (hdr == NULL || sz == 0)
|
|
return (AE_ERROR);
|
|
#ifndef notyet
|
|
/* Assume SSDT is installed with DSDT. */
|
|
AcpiGbl_DisableSsdtTableInstall = TRUE;
|
|
#endif
|
|
*NewTable = hdr;
|
|
return (AE_OK);
|
|
}
|
|
|
|
ACPI_STATUS
|
|
AcpiOsPhysicalTableOverride(ACPI_TABLE_HEADER *ExistingTable,
|
|
ACPI_PHYSICAL_ADDRESS *NewAddress, UINT32 *NewTableLength)
|
|
{
|
|
|
|
return (AE_SUPPORT);
|
|
}
|