PrmSampleContextBufferModule.c

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#include <PrmModule.h>
 
#include <Library/BaseLib.h>
#include <Library/PrintLib.h>
#include <Library/UefiLib.h>
 
#include <Samples/PrmSampleContextBufferModule/Include/StaticData.h>
 
//
// PRM Handler GUIDs
//
 
// {e1466081-7562-430f-896b-b0e523dc335a}
#define CHECK_STATIC_DATA_BUFFER_PRM_HANDLER_GUID  {0xe1466081, 0x7562, 0x430f, {0x89, 0x6b, 0xb0, 0xe5, 0x23, 0xdc, 0x33, 0x5a}}
 
PRM_HANDLER_EXPORT (CheckStaticDataBufferPrmHandler) {
  if (ContextBuffer == NULL) {
    return EFI_INVALID_PARAMETER;
  }
 
  if (ContextBuffer->StaticDataBuffer == NULL) {
    return EFI_INVALID_PARAMETER;
  }
 
  //
  // Verify PRM data buffer signature is valid
  //
  if (
      (ContextBuffer->Signature != PRM_CONTEXT_BUFFER_SIGNATURE) ||
      (ContextBuffer->StaticDataBuffer->Header.Signature != PRM_DATA_BUFFER_HEADER_SIGNATURE))
  {
    return EFI_NOT_FOUND;
  }
 
  return EFI_SUCCESS;
}
 
//
// Register the PRM export information for this PRM Module
//
PRM_MODULE_EXPORT (
  PRM_HANDLER_EXPORT_ENTRY (CHECK_STATIC_DATA_BUFFER_PRM_HANDLER_GUID, CheckStaticDataBufferPrmHandler)
  );
 
EFI_STATUS
EFIAPI
PrmSampleContextBufferModuleInit (
  IN  EFI_HANDLE        ImageHandle,
  IN  EFI_SYSTEM_TABLE  *SystemTable
  )
{
  return EFI_SUCCESS;
}