Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 172 insertions, 0 deletions

diff --git a/src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Library/AcpiLib/AcpiLib.c b/src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Library/AcpiLib/AcpiLib.c
new file mode 100644
index 00000000..e71bbad7
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Library/AcpiLib/AcpiLib.c
@@ -0,0 +1,172 @@
+/** @file
+*
+*  Copyright (c) 2014-2015, ARM Limited. All rights reserved.
+*
+*  SPDX-License-Identifier: BSD-2-Clause-Patent
+*
+**/
+
+#include <Uefi.h>
+
+#include <Library/AcpiLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+#include <Protocol/AcpiTable.h>
+#include <Protocol/FirmwareVolume2.h>
+
+#include <IndustryStandard/Acpi.h>
+
+/**
+  Locate and Install the ACPI tables from the Firmware Volume if it verifies
+  the function condition.
+
+  @param  AcpiFile                Guid of the ACPI file into the Firmware Volume
+  @param  CheckAcpiTableFunction  Function that checks if the ACPI table should be installed
+
+  @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
+LocateAndInstallAcpiFromFvConditional (
+  IN CONST EFI_GUID*        AcpiFile,
+  IN EFI_LOCATE_ACPI_CHECK  CheckAcpiTableFunction
+  )
+{
+  EFI_STATUS                    Status;
+  EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol;
+  EFI_HANDLE                    *HandleBuffer;
+  UINTN                         NumberOfHandles;
+  UINT32                        FvStatus;
+  UINTN                         Index;
+  EFI_FIRMWARE_VOLUME2_PROTOCOL *FvInstance;
+  INTN                          SectionInstance;
+  UINTN                         SectionSize;
+  EFI_ACPI_COMMON_HEADER       *AcpiTable;
+  UINTN                         AcpiTableSize;
+  UINTN                         AcpiTableKey;
+  BOOLEAN                       Valid;
+
+  // Ensure the ACPI Table is present
+  Status = gBS->LocateProtocol (
+                  &gEfiAcpiTableProtocolGuid,
+                  NULL,
+                  (VOID**)&AcpiProtocol
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  FvStatus        = 0;
+  SectionInstance = 0;
+
+  // Locate all the Firmware Volume protocols.
+  Status = gBS->LocateHandleBuffer (
+                   ByProtocol,
+                   &gEfiFirmwareVolume2ProtocolGuid,
+                   NULL,
+                   &NumberOfHandles,
+                   &HandleBuffer
+                   );
+  if (EFI_ERROR (Status)) {
+    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
+                     );
+    if (EFI_ERROR (Status)) {
+      goto FREE_HANDLE_BUFFER;
+    }
+
+    while (Status == EFI_SUCCESS) {
+      // AcpiTable must be allocated by ReadSection (ie: AcpiTable == NULL)
+      AcpiTable = NULL;
+
+      // See if it has the ACPI storage file
+      Status = FvInstance->ReadSection (
+                        FvInstance,
+                        AcpiFile,
+                        EFI_SECTION_RAW,
+                        SectionInstance,
+                        (VOID**) &AcpiTable,
+                        &SectionSize,
+                        &FvStatus
+                        );
+      if (!EFI_ERROR (Status)) {
+        AcpiTableKey = 0;
+        AcpiTableSize = ((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTable)->Length;
+        ASSERT (SectionSize >= AcpiTableSize);
+
+        DEBUG ((EFI_D_ERROR, "- Found '%c%c%c%c' ACPI Table\n",
+            (((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTable)->Signature & 0xFF),
+            ((((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTable)->Signature >> 8) & 0xFF),
+            ((((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTable)->Signature >> 16) & 0xFF),
+            ((((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTable)->Signature >> 24) & 0xFF)));
+
+        // Is the ACPI table valid?
+        if (CheckAcpiTableFunction) {
+          Valid = CheckAcpiTableFunction ((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable);
+        } else {
+          Valid = TRUE;
+        }
+
+        // Install the ACPI Table
+        if (Valid) {
+          Status = AcpiProtocol->InstallAcpiTable (
+                                 AcpiProtocol,
+                                 AcpiTable,
+                                 AcpiTableSize,
+                                 &AcpiTableKey
+                                 );
+        }
+
+        // Free memory allocated by ReadSection
+        gBS->FreePool (AcpiTable);
+
+        if (EFI_ERROR (Status)) {
+          break;
+        }
+
+        // Increment the section instance
+        SectionInstance++;
+      }
+    }
+  }
+
+FREE_HANDLE_BUFFER:
+  //
+  // Free any allocated buffers
+  //
+  gBS->FreePool (HandleBuffer);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Locate and Install the ACPI tables from the Firmware Volume
+
+  @param  AcpiFile              Guid of the ACPI file into the Firmware Volume
+
+  @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
+LocateAndInstallAcpiFromFv (
+  IN CONST EFI_GUID* AcpiFile
+  )
+{
+  return LocateAndInstallAcpiFromFvConditional (AcpiFile, NULL);
+}