/*
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* Copyright (c) 2020, Rebecca Cran <rebecca@bsdio.com>
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* Copyright (c) 2015, Nahanni Systems, Inc.
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*/
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#include "Platform.h"
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#define EFI_ACPI_OEM_TABLE_ID SIGNATURE_64('B','V','M','C','F','G',' ',' ')
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#pragma pack(1)
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typedef struct {
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EFI_ACPI_DESCRIPTION_HEADER Header;
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UINT64 Reserved0;
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UINT64 BaseAddress;
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UINT16 PciSegmentGroupNumber;
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UINT8 StartBusNumber;
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UINT8 EndBusNumber;
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UINT32 Reserved1;
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} EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE;
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#pragma pack()
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EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE MCFG = {
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{
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EFI_ACPI_2_0_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_SIGNATURE,
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sizeof (EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE),
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EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION,
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0, // to make sum of entire table == 0
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{EFI_ACPI_OEM_ID}, // OEMID is a 6 bytes long field
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EFI_ACPI_OEM_TABLE_ID, // OEM table identification(8 bytes long)
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EFI_ACPI_OEM_REVISION, // OEM revision number
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EFI_ACPI_CREATOR_ID, // ASL compiler vendor ID
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EFI_ACPI_CREATOR_REVISION // ASL compiler revision number
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},
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0, // Reserved
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0x00000000E0000000, // BaseAddress
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0x0000, // PciSegmentGroupNumber
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0, // StartBusNumber
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255, // EndBusNumber
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0 // Reserved
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};
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VOID *
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ReferenceAcpiTable (
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VOID
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)
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{
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//
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// Reference the table being generated to prevent the optimizer from removing the
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// data structure from the exeutable
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//
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return (VOID*)&MCFG;
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}
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