add in BootModePei

[mirror_edk2.git] / Nt32Pkg / BootModePei / BootMode.c

diff --git a/Nt32Pkg/BootModePei/BootMode.c b/Nt32Pkg/BootModePei/BootMode.c
new file mode 100644 (file)
index 0000000..3ac2044
--- /dev/null
+++ b/Nt32Pkg/BootModePei/BootMode.c
@@ -0,0 +1,101 @@
+/*++\r
+\r
+Copyright (c) 2006, Intel Corporation                                                         \r
+All rights reserved. This program and the accompanying materials                          \r
+are licensed and made available under the terms and conditions of the BSD License         \r
+which accompanies this distribution.  The full text of the license may be found at        \r
+http://opensource.org/licenses/bsd-license.php                                            \r
+                                                                                          \r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
+\r
+Module Name:\r
+\r
+  BootMode.c\r
+   \r
+Abstract:\r
+\r
+  Tiano PEIM to provide the platform support functionality within Windows\r
+\r
+--*/\r
+\r
+\r
+\r
+//\r
+// The package level header files this module uses\r
+//\r
+#include <PiPei.h>\r
+//\r
+// The protocols, PPI and GUID defintions for this module\r
+//\r
+#include <Ppi/MasterBootMode.h>\r
+#include <Ppi/BootInRecoveryMode.h>\r
+//\r
+// The Library classes this module consumes\r
+//\r
+#include <Library/DebugLib.h>\r
+#include <Library/PeimEntryPoint.h>\r
+\r
+\r
+//\r
+// Module globals\r
+//\r
+EFI_PEI_PPI_DESCRIPTOR  mPpiListBootMode = {\r
+  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
+  &gEfiPeiMasterBootModePpiGuid,\r
+  NULL\r
+};\r
+\r
+EFI_PEI_PPI_DESCRIPTOR  mPpiListRecoveryBootMode = {\r
+  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
+  &gEfiPeiBootInRecoveryModePpiGuid,\r
+  NULL\r
+};\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+InitializeBootMode (\r
+  IN EFI_FFS_FILE_HEADER       *FfsHeader,\r
+  IN EFI_PEI_SERVICES          **PeiServices\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+  Peform the boot mode determination logic\r
+\r
+Arguments:\r
+\r
+  PeiServices - General purpose services available to every PEIM.\r
+    \r
+Returns:\r
+\r
+  Status -  EFI_SUCCESS if the boot mode could be set\r
+\r
+--*/\r
+// TODO:    FfsHeader - add argument and description to function comment\r
+{\r
+  EFI_STATUS  Status;\r
+  UINTN       BootMode;\r
+\r
+  DEBUG ((EFI_D_ERROR, "NT32 Boot Mode PEIM Loaded\n"));\r
+\r
+  //\r
+  // Let's assume things are OK if not told otherwise\r
+  // Should we read an environment variable in order to easily change this?\r
+  //\r
+  BootMode  = BOOT_WITH_FULL_CONFIGURATION;\r
+\r
+  Status    = (**PeiServices).SetBootMode (PeiServices, (UINT8) BootMode);\r
+  ASSERT_EFI_ERROR (Status);\r
+\r
+  Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListBootMode);\r
+  ASSERT_EFI_ERROR (Status);\r
+\r
+  if (BootMode == BOOT_IN_RECOVERY_MODE) {\r
+    Status = (**PeiServices).InstallPpi (PeiServices, &mPpiListRecoveryBootMode);\r
+    ASSERT_EFI_ERROR (Status);\r
+  }\r
+\r
+  return Status;\r
+}\r