OvmfPkg: PlatformBootManagerLibGrub: Allow executing kernel via fw_cfg

[mirror_edk2.git] / OvmfPkg / Library / PlatformBootManagerLibGrub / QemuKernel.c

/** @file\r
\r
  Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Uefi.h>\r
\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/QemuLoadImageLib.h>\r
#include <Library/ReportStatusCodeLib.h>\r
#include <Library/UefiLib.h>\r
\r
\r
EFI_STATUS\r
TryRunningQemuKernel (\r
  VOID\r
  )\r
{\r
  EFI_STATUS                Status;\r
  EFI_HANDLE                KernelImageHandle;\r
\r
  Status = QemuLoadKernelImage (&KernelImageHandle);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  //\r
  // Signal the EVT_SIGNAL_READY_TO_BOOT event\r
  //\r
  EfiSignalEventReadyToBoot();\r
\r
  REPORT_STATUS_CODE (EFI_PROGRESS_CODE,\r
    (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_PC_READY_TO_BOOT_EVENT));\r
\r
  //\r
  // Start the image.\r
  //\r
  Status = QemuStartKernelImage (&KernelImageHandle);\r
  if (EFI_ERROR (Status)) {\r
    DEBUG ((DEBUG_ERROR, "%a: QemuStartKernelImage(): %r\n", __FUNCTION__,\r
      Status));\r
  }\r
\r
  QemuUnloadKernelImage (KernelImageHandle);\r
\r
  return Status;\r
}\r