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/** @file
Copyright (c) 2023, Corvin Köhne <corvink@FreeBSD.org>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Protocol/AcpiTable.h>
/**
Searches and returns the address of the ACPI Root System Description Pointer (RSDP) in system memory.
@param StartAddress Start address of search range.
@param EndAddress End address of search range.
@param RsdpPtr Return pointer to RSDP.
@retval EFI_SUCCESS RSDP successfully found.
@retval EFI_NOT_FOUND Couldn't find RSDP.
@retval EFI_ABORTED Invalid RSDP found.
**/
EFI_STATUS
EFIAPI
GetAcpiRsdpFromMemory (
IN UINT64 StartAddress,
IN UINT64 EndAddress,
OUT EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER **RsdpPtr
);
/**
Get Acpi tables from the RSDP structure. And installs ACPI tables
into the RSDT/XSDT using InstallAcpiTable. Some signature of the installed
ACPI tables are: FACP, APIC, HPET, WAET, SSDT, FACS, DSDT.
@param AcpiProtocol Protocol instance pointer.
@return EFI_SUCCESS The table was successfully inserted.
@return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableHandle is
NULL, or AcpiTableBufferSize and the size
field embedded in the ACPI table pointed to
by AcpiTableBuffer are not in sync.
@return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the
request.
**/
EFI_STATUS
EFIAPI
InstallAcpiTablesFromRsdp (
IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol,
IN EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp
);
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