diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Library/PlatformHasAcpiLib/PlatformHasAcpiLib.c')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Library/PlatformHasAcpiLib/PlatformHasAcpiLib.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Library/PlatformHasAcpiLib/PlatformHasAcpiLib.c b/src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Library/PlatformHasAcpiLib/PlatformHasAcpiLib.c new file mode 100644 index 00000000..54603e90 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Library/PlatformHasAcpiLib/PlatformHasAcpiLib.c @@ -0,0 +1,30 @@ +/** @file + A hook-in library for MdeModulePkg/Universal/Acpi/AcpiTableDxe. + + Plugging this library instance into AcpiTableDxe makes + EFI_ACPI_TABLE_PROTOCOL and (if enabled) EFI_ACPI_SDT_PROTOCOL depend on the + platform's dynamic decision whether to expose an ACPI-based hardware + description to the operating system. + + Universal and platform specific DXE drivers that produce ACPI tables depend + on EFI_ACPI_TABLE_PROTOCOL / EFI_ACPI_SDT_PROTOCOL in turn. + + Copyright (C) 2017, Red Hat, Inc. + + SPDX-License-Identifier: BSD-2-Clause-Patent +**/ + +#include <Base.h> + +RETURN_STATUS +EFIAPI +PlatformHasAcpiInitialize ( + VOID + ) +{ + // + // Do nothing, just imbue AcpiTableDxe with a protocol dependency on + // EDKII_PLATFORM_HAS_ACPI_GUID. + // + return RETURN_SUCCESS; +} |