[edk2-devel] [edk2-platforms] [PATCH 03/11] BoardModulePkg: Add BDS Hook DXE Driver
Nate DeSimone
nathaniel.l.desimone at intel.com
Wed Dec 18 01:32:32 UTC 2019
Hi Prince,
Reviewed-by: Nate DeSimone <nathaniel.l.desimone at intel.com>
Thanks,
Nate
On Sat, Dec 14, 2019 at 01:32:29AM +0000, Agyeman, Prince wrote:
> 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.kubacki at intel.com>
> Cc: Chasel Chiu <chasel.chiu at intel.com>
> Cc: Nate DeSimone <nathaniel.l.desimone at intel.com>
>
> Signed-off-by: Prince Agyeman <prince.agyeman at 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.inf b/Platform/Intel/BoardModulePkg/BoardBdsHookDxe/BoardBdsHookDxe.inf
> new file mode 100644
> index 0000000000..e3871d6dd4
> --- /dev/null
> +++ b/Platform/Intel/BoardModulePkg/BoardBdsHookDxe/BoardBdsHookDxe.inf
> @@ -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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