FdtHwInfoParser.c

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#include "FdtHwInfoParser.h"
 
EFI_STATUS
EFIAPI
HwInfoParserInit (
  IN    VOID                   *HwDataSource,
  IN    VOID                   *Context,
  IN    HW_INFO_ADD_OBJECT     HwInfoAdd,
  OUT   HW_INFO_PARSER_HANDLE  *ParserHandle
  )
{
  FDT_HW_INFO_PARSER  *FdtParserHandle;
 
  if ((ParserHandle == NULL)  ||
      (HwInfoAdd == NULL)     ||
      (HwDataSource == NULL)  ||
      (fdt_check_header (HwDataSource) < 0))
  {
    ASSERT (0);
    return EFI_INVALID_PARAMETER;
  }
 
  FdtParserHandle = AllocateZeroPool (sizeof (FDT_HW_INFO_PARSER));
  if (FdtParserHandle == NULL) {
    *ParserHandle = NULL;
    return EFI_OUT_OF_RESOURCES;
  }
 
  // The HwDataSource is a pointer to the FDT data.
  FdtParserHandle->Fdt       = HwDataSource;
  FdtParserHandle->Context   = Context;
  FdtParserHandle->HwInfoAdd = HwInfoAdd;
 
  *ParserHandle = (HW_INFO_PARSER_HANDLE)FdtParserHandle;
  return EFI_SUCCESS;
}
 
EFI_STATUS
EFIAPI
HwInfoParse (
  IN  HW_INFO_PARSER_HANDLE  ParserHandle
  )
{
  EFI_STATUS  Status;
 
  if (ParserHandle == NULL) {
    ASSERT (0);
    return EFI_INVALID_PARAMETER;
  }
 
  // Call all the parsers from the root node (-1).
  Status = ArchFdtHwInfoMainDispatcher (
             (FDT_HW_INFO_PARSER_HANDLE)ParserHandle,
             -1
             );
  ASSERT_EFI_ERROR (Status);
  return Status;
}
 
EFI_STATUS
EFIAPI
HwInfoParserShutdown (
  IN  HW_INFO_PARSER_HANDLE  ParserHandle
  )
{
  if (ParserHandle == NULL) {
    ASSERT (0);
    return EFI_INVALID_PARAMETER;
  }
 
  FreePool (ParserHandle);
 
  return EFI_SUCCESS;
}