ArmFadtGenerator.c

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#include <Library/AcpiLib.h>
#include <Library/DebugLib.h>
#include <Protocol/AcpiTable.h>
 
// Module specific include files.
#include <AcpiTableGenerator.h>
#include <ConfigurationManagerObject.h>
#include <ConfigurationManagerHelper.h>
#include <Library/TableHelperLib.h>
#include <Protocol/ConfigurationManagerProtocol.h>
#include "FadtGenerator.h"
 
GET_OBJECT_LIST (
  EObjNameSpaceArm,
  EArmObjBootArchInfo,
  CM_ARM_BOOT_ARCH_INFO
  );
 
#define FADT_FLAGS  (EFI_ACPI_6_5_HW_REDUCED_ACPI |          \
                     EFI_ACPI_6_5_LOW_POWER_S0_IDLE_CAPABLE)
 
STATIC
EFI_STATUS
EFIAPI
ArmFadtBootArchInfoUpdate (
  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  *CONST  CfgMgrProtocol,
  IN   OUT EFI_ACPI_6_5_FIXED_ACPI_DESCRIPTION_TABLE      *Fadt
  )
{
  EFI_STATUS             Status;
  CM_ARM_BOOT_ARCH_INFO  *BootArchInfo;
 
  ASSERT (CfgMgrProtocol != NULL);
  ASSERT (Fadt != NULL);
 
  // Get the Boot Architecture flags from the Platform Configuration Manager
  Status = GetEArmObjBootArchInfo (
             CfgMgrProtocol,
             CM_NULL_TOKEN,
             &BootArchInfo,
             NULL
             );
  if (EFI_ERROR (Status)) {
    DEBUG ((
      DEBUG_ERROR,
      "ERROR: FADT: Failed to get Boot Architecture flags. Status = %r\n",
      Status
      ));
    return Status;
  }
 
  DEBUG ((
    DEBUG_INFO,
    "FADT BootArchFlag = 0x%x\n",
    BootArchInfo->BootArchFlags
    ));
 
  Fadt->ArmBootArch = BootArchInfo->BootArchFlags;
 
  return Status;
}
 
EFI_STATUS
EFIAPI
FadtArchUpdate (
  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  *CONST  CfgMgrProtocol,
  IN   OUT EFI_ACPI_6_5_FIXED_ACPI_DESCRIPTION_TABLE      *Fadt
  )
{
  ASSERT (CfgMgrProtocol != NULL);
  ASSERT (Fadt != NULL);
 
  Fadt->Flags = FADT_FLAGS;
 
  return ArmFadtBootArchInfoUpdate (CfgMgrProtocol, Fadt);
}