RawGenerator.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>
 
STATIC
EFI_STATUS
EFIAPI
BuildRawTable (
  IN  CONST ACPI_TABLE_GENERATOR                  *CONST  This,
  IN  CONST CM_STD_OBJ_ACPI_TABLE_INFO            *CONST  AcpiTableInfo,
  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  *CONST  CfgMgrProtocol,
  OUT       EFI_ACPI_DESCRIPTION_HEADER          **CONST  Table
  )
{
  ASSERT (This != NULL);
  ASSERT (AcpiTableInfo != NULL);
  ASSERT (CfgMgrProtocol != NULL);
  ASSERT (Table != NULL);
  ASSERT (AcpiTableInfo->TableGeneratorId == This->GeneratorID);
  ASSERT (AcpiTableInfo->AcpiTableData != NULL);
 
  if (AcpiTableInfo->AcpiTableData == NULL) {
    *Table = NULL;
    return EFI_INVALID_PARAMETER;
  }
 
  *Table = AcpiTableInfo->AcpiTableData;
 
  return EFI_SUCCESS;
}
 
#define RAW_GENERATOR_REVISION  CREATE_REVISION (1, 0)
 
STATIC
CONST
ACPI_TABLE_GENERATOR  RawGenerator = {
  // Generator ID
  CREATE_STD_ACPI_TABLE_GEN_ID (EStdAcpiTableIdRaw),
  // Generator Description
  L"ACPI.STD.RAW.GENERATOR",
  // ACPI Table Signature - Unused
  0,
  // ACPI Table Revision - Unused
  0,
  // Minimum ACPI Table Revision - Unused
  0,
  // Creator ID
  TABLE_GENERATOR_CREATOR_ID,
  // Creator Revision
  RAW_GENERATOR_REVISION,
  // Build Table function
  BuildRawTable,
  // No additional resources are allocated by the generator.
  // Hence the Free Resource function is not required.
  NULL,
  // Extended build function not needed
  NULL,
  // Extended build function not implemented by the generator.
  // Hence extended free resource function is not required.
  NULL
};
 
EFI_STATUS
EFIAPI
AcpiRawLibConstructor (
  IN  EFI_HANDLE        ImageHandle,
  IN  EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS  Status;
 
  Status = RegisterAcpiTableGenerator (&RawGenerator);
  DEBUG ((DEBUG_INFO, "RAW: Register Generator. Status = %r\n", Status));
  ASSERT_EFI_ERROR (Status);
  return Status;
}
 
EFI_STATUS
EFIAPI
AcpiRawLibDestructor (
  IN  EFI_HANDLE        ImageHandle,
  IN  EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS  Status;
 
  Status = DeregisterAcpiTableGenerator (&RawGenerator);
  DEBUG ((DEBUG_INFO, "RAW: Deregister Generator. Status = %r\n", Status));
  ASSERT_EFI_ERROR (Status);
  return Status;
}