SblParseLib.c

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#include <PiDxe.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
#include <Library/IoLib.h>
#include <Library/HobLib.h>
#include <Library/BlParseLib.h>
#include <IndustryStandard/Acpi.h>
#include <UniversalPayload/PciRootBridges.h>
 
VOID *
EFIAPI
GetParameterBase (
  VOID
  )
{
  EFI_HOB_HANDOFF_INFO_TABLE  *HandoffTable;
 
  HandoffTable = (EFI_HOB_HANDOFF_INFO_TABLE *)(UINTN)GET_BOOTLOADER_PARAMETER ();
  if ((HandoffTable->Header.HobType == EFI_HOB_TYPE_HANDOFF) &&
      (HandoffTable->Header.HobLength == sizeof (EFI_HOB_HANDOFF_INFO_TABLE)) &&
      (HandoffTable->Header.Reserved == 0))
  {
    return (VOID *)HandoffTable;
  }
 
  return NULL;
}
 
VOID *
GetGuidHobDataFromSbl (
  IN       EFI_GUID  *Guid
  )
{
  UINT8       *GuidHob;
  CONST VOID  *HobList;
 
  HobList = GetParameterBase ();
  ASSERT (HobList != NULL);
  GuidHob = GetNextGuidHob (Guid, HobList);
  if (GuidHob != NULL) {
    return GET_GUID_HOB_DATA (GuidHob);
  }
 
  return NULL;
}
 
RETURN_STATUS
EFIAPI
ParseMemoryInfo (
  IN  BL_MEM_INFO_CALLBACK  MemInfoCallback,
  IN  VOID                  *Params
  )
{
  MEMORY_MAP_INFO  *MemoryMapInfo;
  UINTN            Idx;
 
  MemoryMapInfo = (MEMORY_MAP_INFO *)GetGuidHobDataFromSbl (&gLoaderMemoryMapInfoGuid);
  if (MemoryMapInfo == NULL) {
    ASSERT (FALSE);
    return RETURN_NOT_FOUND;
  }
 
  for (Idx = 0; Idx < MemoryMapInfo->Count; Idx++) {
    MemInfoCallback (&MemoryMapInfo->Entry[Idx], Params);
  }
 
  return RETURN_SUCCESS;
}
 
RETURN_STATUS
EFIAPI
ParseSmbiosTable (
  OUT UNIVERSAL_PAYLOAD_SMBIOS_TABLE  *SmbiosTable
  )
{
  UNIVERSAL_PAYLOAD_SMBIOS_TABLE  *TableInfo;
 
  TableInfo = (UNIVERSAL_PAYLOAD_SMBIOS_TABLE *)GetGuidHobDataFromSbl (&gUniversalPayloadSmbiosTableGuid);
  if (TableInfo == NULL) {
    ASSERT (FALSE);
    return RETURN_NOT_FOUND;
  }
 
  SmbiosTable->SmBiosEntryPoint = TableInfo->SmBiosEntryPoint;
 
  return RETURN_SUCCESS;
}
 
RETURN_STATUS
EFIAPI
ParseAcpiTableInfo (
  OUT UNIVERSAL_PAYLOAD_ACPI_TABLE  *AcpiTableHob
  )
{
  UNIVERSAL_PAYLOAD_ACPI_TABLE  *TableInfo;
 
  TableInfo = (UNIVERSAL_PAYLOAD_ACPI_TABLE *)GetGuidHobDataFromSbl (&gUniversalPayloadAcpiTableGuid);
  if (TableInfo == NULL) {
    ASSERT (FALSE);
    return RETURN_NOT_FOUND;
  }
 
  AcpiTableHob->Rsdp = TableInfo->Rsdp;
 
  return RETURN_SUCCESS;
}
 
RETURN_STATUS
EFIAPI
ParseSerialInfo (
  OUT SERIAL_PORT_INFO  *SerialPortInfo
  )
{
  SERIAL_PORT_INFO  *BlSerialInfo;
 
  BlSerialInfo = (SERIAL_PORT_INFO *)GetGuidHobDataFromSbl (&gUefiSerialPortInfoGuid);
  if (BlSerialInfo == NULL) {
    ASSERT (FALSE);
    return RETURN_NOT_FOUND;
  }
 
  CopyMem (SerialPortInfo, BlSerialInfo, sizeof (SERIAL_PORT_INFO));
 
  return RETURN_SUCCESS;
}
 
RETURN_STATUS
EFIAPI
ParseGfxInfo (
  OUT EFI_PEI_GRAPHICS_INFO_HOB  *GfxInfo
  )
{
  EFI_PEI_GRAPHICS_INFO_HOB  *BlGfxInfo;
 
  BlGfxInfo = (EFI_PEI_GRAPHICS_INFO_HOB *)GetGuidHobDataFromSbl (&gEfiGraphicsInfoHobGuid);
  if (BlGfxInfo == NULL) {
    return RETURN_NOT_FOUND;
  }
 
  CopyMem (GfxInfo, BlGfxInfo, sizeof (EFI_PEI_GRAPHICS_INFO_HOB));
 
  return RETURN_SUCCESS;
}
 
RETURN_STATUS
EFIAPI
ParseGfxDeviceInfo (
  OUT EFI_PEI_GRAPHICS_DEVICE_INFO_HOB  *GfxDeviceInfo
  )
{
  EFI_PEI_GRAPHICS_DEVICE_INFO_HOB  *BlGfxDeviceInfo;
 
  BlGfxDeviceInfo = (EFI_PEI_GRAPHICS_DEVICE_INFO_HOB *)GetGuidHobDataFromSbl (&gEfiGraphicsDeviceInfoHobGuid);
  if (BlGfxDeviceInfo == NULL) {
    return RETURN_NOT_FOUND;
  }
 
  CopyMem (GfxDeviceInfo, BlGfxDeviceInfo, sizeof (EFI_PEI_GRAPHICS_DEVICE_INFO_HOB));
 
  return RETURN_SUCCESS;
}
 
RETURN_STATUS
EFIAPI
ParseMiscInfo (
  VOID
  )
{
  RETURN_STATUS                       Status;
  UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGES  *BlRootBridgesHob;
  UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGES  *PldRootBridgesHob;
 
  Status           = RETURN_NOT_FOUND;
  BlRootBridgesHob = (UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGES *)GetGuidHobDataFromSbl (
                                                             &gUniversalPayloadPciRootBridgeInfoGuid
                                                             );
  if (BlRootBridgesHob != NULL) {
    //
    // Migrate bootloader root bridge info hob from bootloader to payload.
    //
    PldRootBridgesHob = BuildGuidHob (
                          &gUniversalPayloadPciRootBridgeInfoGuid,
                          BlRootBridgesHob->Header.Length
                          );
    ASSERT (PldRootBridgesHob != NULL);
    if (PldRootBridgesHob != NULL) {
      CopyMem (PldRootBridgesHob, BlRootBridgesHob, BlRootBridgesHob->Header.Length);
      DEBUG ((DEBUG_INFO, "Create PCI root bridge info guid hob\n"));
      Status = RETURN_SUCCESS;
    } else {
      Status = RETURN_OUT_OF_RESOURCES;
    }
  }
 
  return Status;
}