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OsdEnvironment.c
(2.87 KB)
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acpi_apm.c
(10.98 KB)
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acpi_wakeup.c
(12.48 KB)
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madt.c
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srat.c
(1.98 KB)
Editing: OsdEnvironment.c
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2000,2001 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/bus.h> #include <sys/kernel.h> #include <sys/sysctl.h> #include <contrib/dev/acpica/include/acpi.h> #include <contrib/dev/acpica/include/aclocal.h> #include <contrib/dev/acpica/include/actables.h> static u_long acpi_root_phys; SYSCTL_ULONG(_machdep, OID_AUTO, acpi_root, CTLFLAG_RD, &acpi_root_phys, 0, "The physical address of the RSDP"); ACPI_STATUS AcpiOsInitialize(void) { return (AE_OK); } ACPI_STATUS AcpiOsTerminate(void) { return (AE_OK); } static u_long acpi_get_root_from_loader(void) { long acpi_root; if (TUNABLE_ULONG_FETCH("acpi.rsdp", &acpi_root)) return (acpi_root); /* * The hints mechanism is unreliable (it fails if anybody ever * compiled in hints to the kernel). It has been replaced * by the tunable method, but is used here as a fallback to * retain maximum compatibility between old loaders and new * kernels. It can be removed after 11.0R. */ if (resource_long_value("acpi", 0, "rsdp", &acpi_root) == 0) return (acpi_root); return (0); } static u_long acpi_get_root_from_memory(void) { ACPI_PHYSICAL_ADDRESS acpi_root; if (ACPI_SUCCESS(AcpiFindRootPointer(&acpi_root))) return (acpi_root); return (0); } ACPI_PHYSICAL_ADDRESS AcpiOsGetRootPointer(void) { if (acpi_root_phys == 0) { acpi_root_phys = acpi_get_root_from_loader(); if (acpi_root_phys == 0) acpi_root_phys = acpi_get_root_from_memory(); } return (acpi_root_phys); }
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