Reviewed-by: Michael Kubacki <michael.a.kuba...@intel.com> > -----Original Message----- > From: Agyeman, Prince <prince.agye...@intel.com> > Sent: Friday, December 13, 2019 5:32 PM > To: devel@edk2.groups.io > Cc: Kubacki, Michael A <michael.a.kuba...@intel.com>; Chiu, Chasel > <chasel.c...@intel.com>; Desimone, Nathaniel L > <nathaniel.l.desim...@intel.com> > Subject: [edk2-platforms] [PATCH 03/11] BoardModulePkg: Add BDS Hook > DXE Driver > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2336 > > This is a sample/generic DXE driver that registers all the BDS hook points or > callbacks as defined in BoardBdsHookLib. > > Cc: Michael Kubacki <michael.a.kuba...@intel.com> > Cc: Chasel Chiu <chasel.c...@intel.com> > Cc: Nate DeSimone <nathaniel.l.desim...@intel.com> > > Signed-off-by: Prince Agyeman <prince.agye...@intel.com> > --- > .../BoardBdsHookDxe/BoardBdsHookDxe.c | 121 ++++++++++++++++++ > .../BoardBdsHookDxe/BoardBdsHookDxe.inf | 46 +++++++ > 2 files changed, 167 insertions(+) > create mode 100644 > Platform/Intel/BoardModulePkg/BoardBdsHookDxe/BoardBdsHookDxe.c > create mode 100644 > Platform/Intel/BoardModulePkg/BoardBdsHookDxe/BoardBdsHookDxe.inf > > diff --git > a/Platform/Intel/BoardModulePkg/BoardBdsHookDxe/BoardBdsHookDxe.c > b/Platform/Intel/BoardModulePkg/BoardBdsHookDxe/BoardBdsHookDxe.c > new file mode 100644 > index 0000000000..88eb7d70e9 > --- /dev/null > +++ > b/Platform/Intel/BoardModulePkg/BoardBdsHookDxe/BoardBdsHookDxe.c > @@ -0,0 +1,121 @@ > +/** @file > + Bds Hook Point callbacks DXE driver > + > + Copyright (c) 2019, Intel Corporation. All rights reserved.<BR> > + SPDX-License-Identifier: BSD-2-Clause-Patent > + > +**/ > + > +#include <Library/UefiDriverEntryPoint.h> #include > +<Library/UefiBootServicesTableLib.h> > +#include <Library/DebugLib.h> > +#include <Library/UefiLib.h> > +#include <Library/BoardBdsHookLib.h> > + > +#include <Protocol/PciEnumerationComplete.h> > + > +/** > + Initialize DXE Platform. > + > + @param[in] ImageHandle Image handle of this driver. > + @param[in] SystemTable Global system service table. > + > + @retval EFI_SUCCESS Initialization complete. > + @exception EFI_UNSUPPORTED The chipset is unsupported by this > driver. > + @retval EFI_OUT_OF_RESOURCES Do not have enough resources to > initialize the driver. > + @retval EFI_DEVICE_ERROR Device error, driver exits abnormally. > +**/ > +EFI_STATUS > +EFIAPI > +BdsHookDxeEntryPoint ( > + IN EFI_HANDLE ImageHandle, > + IN EFI_SYSTEM_TABLE *SystemTable > + ) > +{ > + EFI_EVENT BeforeConsoleAfterTrustedConsoleEvent; > + EFI_EVENT BeforeConsoleBeforeEndOfDxeEvent; > + EFI_EVENT AfterConsoleReadyBeforeBootOptionEvent; > + EFI_EVENT ReadyToBootEvent; > + EFI_EVENT PciEnumCompleteEvent; > + EFI_EVENT SmmReadyToLockEvent; > + EFI_STATUS Status; > + VOID *Registration; > + > + DEBUG ((DEBUG_INFO, "%a starts\n", __FUNCTION__ )); > + > + // > + // Create event to set proper video resolution and text mode for internal > shell. > + // > + Status = EfiCreateEventReadyToBootEx ( > + TPL_CALLBACK, > + BdsReadyToBootCallback, > + NULL, > + &ReadyToBootEvent > + ); > + ASSERT_EFI_ERROR (Status); > + > + // > + // Create PCI Enumeration Completed callback for BDS // > + PciEnumCompleteEvent = EfiCreateProtocolNotifyEvent ( > + &gEfiPciEnumerationCompleteProtocolGuid, > + TPL_CALLBACK, > + BdsPciEnumCompleteCallback, > + NULL, > + &Registration > + ); > + ASSERT (PciEnumCompleteEvent != NULL); > + > + // > + // Create PCI Enumeration Completed callback for BDS // > + SmmReadyToLockEvent = EfiCreateProtocolNotifyEvent ( > + &gEfiDxeSmmReadyToLockProtocolGuid, > + TPL_CALLBACK, > + BdsSmmReadyToLockCallback, > + NULL, > + &Registration > + ); > + ASSERT (SmmReadyToLockEvent != NULL); > + > + // > + // Create BeforeConsoleAfterTrustedConsole event callback // Status > + = gBS->CreateEventEx ( > + EVT_NOTIFY_SIGNAL, > + TPL_CALLBACK, > + BdsBeforeConsoleAfterTrustedConsoleCallback, > + NULL, > + &gBdsEventBeforeConsoleAfterTrustedConsoleGuid, > + &BeforeConsoleAfterTrustedConsoleEvent > + ); > + ASSERT_EFI_ERROR (Status); > + > + // > + // Create BeforeConsoleBeforeEndOfDxeGuid event callback // Status > + = gBS->CreateEventEx ( > + EVT_NOTIFY_SIGNAL, > + TPL_CALLBACK, > + BdsBeforeConsoleBeforeEndOfDxeGuidCallback, > + NULL, > + &gBdsEventBeforeConsoleBeforeEndOfDxeGuid, > + &BeforeConsoleBeforeEndOfDxeEvent > + ); > + ASSERT_EFI_ERROR (Status); > + > + // > + // Create AfterConsoleReadyBeforeBootOption event callback // > + Status = gBS->CreateEventEx ( > + EVT_NOTIFY_SIGNAL, > + TPL_CALLBACK, > + BdsAfterConsoleReadyBeforeBootOptionCallback, > + NULL, > + &gBdsEventAfterConsoleReadyBeforeBootOptionGuid, > + &AfterConsoleReadyBeforeBootOptionEvent > + ); > + ASSERT_EFI_ERROR (Status); > + > + return Status; > +} > diff --git > a/Platform/Intel/BoardModulePkg/BoardBdsHookDxe/BoardBdsHookDxe.in > f > b/Platform/Intel/BoardModulePkg/BoardBdsHookDxe/BoardBdsHookDxe.in > f > new file mode 100644 > index 0000000000..e3871d6dd4 > --- /dev/null > +++ > b/Platform/Intel/BoardModulePkg/BoardBdsHookDxe/BoardBdsHookDxe.in > f > @@ -0,0 +1,46 @@ > +### @file > +# Module Information file for the Bds Hook DXE driver. > +# > +# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR> # # > +SPDX-License-Identifier: BSD-2-Clause-Patent # ### > + > +[Defines] > + INF_VERSION = 0x00010017 > + BASE_NAME = BoardBdsHookDxe > + FILE_GUID = EEA6491C-0DC5-48AB-B99D-CE77D14D43F2 > + VERSION_STRING = 1.0 > + MODULE_TYPE = DXE_DRIVER > + ENTRY_POINT = BdsHookDxeEntryPoint > + > +[LibraryClasses] > + BaseLib > + UefiBootServicesTableLib > + UefiDriverEntryPoint > + DebugLib > + UefiLib > + BoardBdsHookLib > + > +[Packages] > + MdePkg/MdePkg.dec > + MdeModulePkg/MdeModulePkg.dec > + SecurityPkg/SecurityPkg.dec > + MinPlatformPkg/MinPlatformPkg.dec > + BoardModulePkg/BoardModulePkg.dec > + > +[Sources] > + BoardBdsHookDxe.c > + > +[Protocols] > + gEfiPciEnumerationCompleteProtocolGuid > + gEfiDxeSmmReadyToLockProtocolGuid > + > +[Guids] > + gBdsEventBeforeConsoleAfterTrustedConsoleGuid > + gBdsEventBeforeConsoleBeforeEndOfDxeGuid > + gBdsEventAfterConsoleReadyBeforeBootOptionGuid > + > +[Depex] > + TRUE > -- > 2.19.1.windows.1
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