PrmSampleAcpiParameterBufferModule.c

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#include <PrmModule.h>
 
#include <Library/BaseLib.h>
#include <Library/UefiLib.h>
 
// TEMP
#include <Library/DebugLib.h>
 
#define PARAM_BUFFER_TEST_SIGNATURE  SIGNATURE_32('T','E','S','T')
 
//
// PRM Handler GUIDs
//
 
// {2e4f2d13-6240-4ed0-a401-c723fbdc34e8}
#define CHECK_PARAM_BUFFER_PRM_HANDLER_GUID  {0x2e4f2d13, 0x6240, 0x4ed0, {0xa4, 0x01, 0xc7, 0x23, 0xfb, 0xdc, 0x34, 0xe8}}
 
PRM_HANDLER_EXPORT (CheckParamBufferPrmHandler) {
  if (ParameterBuffer == NULL) {
    return EFI_INVALID_PARAMETER;
  }
 
  if (*((UINT32 *)ParameterBuffer) == PARAM_BUFFER_TEST_SIGNATURE) {
    return EFI_SUCCESS;
  }
 
  return EFI_NOT_FOUND;
}
 
//
// Register the PRM export information for this PRM Module
//
PRM_MODULE_EXPORT (
  PRM_HANDLER_EXPORT_ENTRY (CHECK_PARAM_BUFFER_PRM_HANDLER_GUID, CheckParamBufferPrmHandler)
  );
 
EFI_STATUS
EFIAPI
PrmSampleAcpiParameterBufferModuleInit (
  IN  EFI_HANDLE        ImageHandle,
  IN  EFI_SYSTEM_TABLE  *SystemTable
  )
{
  return EFI_SUCCESS;
}