diff options
Diffstat (limited to 'OvmfPkg/XenAcpiPlatformDxe/AcpiPlatform.c')
| -rw-r--r-- | OvmfPkg/XenAcpiPlatformDxe/AcpiPlatform.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/OvmfPkg/XenAcpiPlatformDxe/AcpiPlatform.c b/OvmfPkg/XenAcpiPlatformDxe/AcpiPlatform.c index daf2bf3f45..60576f3cc6 100644 --- a/OvmfPkg/XenAcpiPlatformDxe/AcpiPlatform.c +++ b/OvmfPkg/XenAcpiPlatformDxe/AcpiPlatform.c @@ -7,209 +7,11 @@ **/
-#include <Library/DebugLib.h> // ASSERT_EFI_ERROR()
-#include <Library/UefiBootServicesTableLib.h> // gBS
#include <Library/XenPlatformLib.h> // XenDetected()
-#include <Protocol/FirmwareVolume2.h> // gEfiFirmwareVolume2Protocol...
#include "AcpiPlatform.h"
/**
- Locate the first instance of a protocol. If the protocol requested is an
- FV protocol, then it will return the first FV that contains the ACPI table
- storage file.
-
- @param Instance Return pointer to the first instance of the protocol
-
- @return EFI_SUCCESS The function completed successfully.
- @return EFI_NOT_FOUND The protocol could not be located.
- @return EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol.
-
-**/
-EFI_STATUS
-LocateFvInstanceWithTables (
- OUT EFI_FIRMWARE_VOLUME2_PROTOCOL **Instance
- )
-{
- EFI_STATUS Status;
- EFI_HANDLE *HandleBuffer;
- UINTN NumberOfHandles;
- EFI_FV_FILETYPE FileType;
- UINT32 FvStatus;
- EFI_FV_FILE_ATTRIBUTES Attributes;
- UINTN Size;
- UINTN Index;
- EFI_FIRMWARE_VOLUME2_PROTOCOL *FvInstance;
-
- FvStatus = 0;
-
- //
- // Locate protocol.
- //
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiFirmwareVolume2ProtocolGuid,
- NULL,
- &NumberOfHandles,
- &HandleBuffer
- );
- if (EFI_ERROR (Status)) {
- //
- // Defined errors at this time are not found and out of resources.
- //
- return Status;
- }
-
- //
- // Looking for FV with ACPI storage file
- //
- for (Index = 0; Index < NumberOfHandles; Index++) {
- //
- // Get the protocol on this handle
- // This should not fail because of LocateHandleBuffer
- //
- Status = gBS->HandleProtocol (
- HandleBuffer[Index],
- &gEfiFirmwareVolume2ProtocolGuid,
- (VOID**) &FvInstance
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // See if it has the ACPI storage file
- //
- Status = FvInstance->ReadFile (
- FvInstance,
- (EFI_GUID*)PcdGetPtr (PcdAcpiTableStorageFile),
- NULL,
- &Size,
- &FileType,
- &Attributes,
- &FvStatus
- );
-
- //
- // If we found it, then we are done
- //
- if (Status == EFI_SUCCESS) {
- *Instance = FvInstance;
- break;
- }
- }
-
- //
- // Our exit status is determined by the success of the previous operations
- // If the protocol was found, Instance already points to it.
- //
-
- //
- // Free any allocated buffers
- //
- gBS->FreePool (HandleBuffer);
-
- return Status;
-}
-
-
-/**
- Find ACPI tables in an FV and install them.
-
- This is now a fall-back path. Normally, we will search for tables provided
- by the VMM first.
-
- If that fails, we use this function to load the ACPI tables from an FV. The
- sources for the FV based tables is located under OvmfPkg/AcpiTables.
-
- @param AcpiTable Protocol instance pointer
-
-**/
-EFI_STATUS
-EFIAPI
-InstallOvmfFvTables (
- IN EFI_ACPI_TABLE_PROTOCOL *AcpiTable
- )
-{
- EFI_STATUS Status;
- EFI_FIRMWARE_VOLUME2_PROTOCOL *FwVol;
- INTN Instance;
- EFI_ACPI_COMMON_HEADER *CurrentTable;
- UINTN TableHandle;
- UINT32 FvStatus;
- UINTN TableSize;
- UINTN Size;
-
- Instance = 0;
- CurrentTable = NULL;
- TableHandle = 0;
-
- //
- // set FwVol (and use an ASSERT() below) to suppress incorrect
- // compiler/analyzer warnings
- //
- FwVol = NULL;
- //
- // Locate the firmware volume protocol
- //
- Status = LocateFvInstanceWithTables (&FwVol);
- if (EFI_ERROR (Status)) {
- return EFI_ABORTED;
- }
- ASSERT (FwVol != NULL);
-
- //
- // Read tables from the storage file.
- //
- while (Status == EFI_SUCCESS) {
-
- Status = FwVol->ReadSection (
- FwVol,
- (EFI_GUID*)PcdGetPtr (PcdAcpiTableStorageFile),
- EFI_SECTION_RAW,
- Instance,
- (VOID**) &CurrentTable,
- &Size,
- &FvStatus
- );
- if (!EFI_ERROR (Status)) {
- //
- // Add the table
- //
- TableHandle = 0;
-
- TableSize = ((EFI_ACPI_DESCRIPTION_HEADER *) CurrentTable)->Length;
- ASSERT (Size >= TableSize);
-
- //
- // Install ACPI table
- //
- Status = AcpiTable->InstallAcpiTable (
- AcpiTable,
- CurrentTable,
- TableSize,
- &TableHandle
- );
-
- //
- // Free memory allocated by ReadSection
- //
- gBS->FreePool (CurrentTable);
-
- if (EFI_ERROR (Status)) {
- return EFI_ABORTED;
- }
-
- //
- // Increment the instance
- //
- Instance++;
- CurrentTable = NULL;
- }
- }
-
- return EFI_SUCCESS;
-}
-
-/**
Effective entrypoint of Acpi Platform driver.
@param ImageHandle
@@ -234,10 +36,6 @@ InstallAcpiTables ( Status = EFI_UNSUPPORTED;
}
- if (EFI_ERROR (Status)) {
- Status = InstallOvmfFvTables (AcpiTable);
- }
-
return Status;
}
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