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-rw-r--r--Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.c143
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diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.c b/Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.c
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index 0000000000..e542380ed4
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+++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.c
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+/** @file
+ Source code file for the Silicon Init DXE module.
+
+ Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Guid/EventGroup.h>
+#include <Protocol/Smbios.h>
+#include <Library/SmbiosMemoryLib.h>
+
+///
+/// Module-wide global variables
+///
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_SMBIOS_PROTOCOL *mSmbios = NULL;
+
+VOID *mRegistration;
+
+EFI_EVENT EndOfDxeEvent;
+
+/**
+ This function gets registered as a callback to perform
+
+ @param[in] Event A pointer to the Event that triggered the callback.
+ @param[in] Context A pointer to private data registered with the callback function.
+
+**/
+VOID
+EFIAPI
+SiInitDxeSmbiosCallback (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+
+ if (Event != NULL) {
+ gBS->CloseEvent (Event);
+ }
+
+ Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID **) &mSmbios);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Error locating gEfiSmbiosProtocolGuid at SiInitDxe. Status = %r\n", Status));
+ return;
+ }
+
+ Status = SmbiosMemory ();
+ ASSERT_EFI_ERROR (Status);
+
+ return;
+}
+
+
+/**
+ This function handles PlatformInit task at the end of DXE
+
+ @param[in] Event A pointer to the Event that triggered the callback.
+ @param[in] Context A pointer to private data registered with the callback function.
+
+**/
+VOID
+EFIAPI
+SiInitEndOfDxe (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ gBS->CloseEvent (Event);
+
+ return;
+}
+
+
+/**
+ Entry point for the driver.
+
+ @param[in] ImageHandle Image Handle.
+ @param[in] SystemTable EFI System Table.
+
+ @retval EFI_SUCCESS Function has completed successfully.
+ @retval Others All other error conditions encountered result in an ASSERT.
+
+**/
+EFI_STATUS
+EFIAPI
+SiInitDxe (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_EVENT CallbackEvent;
+
+ //
+ // If EfiSmbiosProtocol already installed, invoke the callback directly.
+ //
+ Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID **) &mSmbios);
+ if (!EFI_ERROR (Status)) {
+ SiInitDxeSmbiosCallback (NULL,NULL);
+ } else {
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ SiInitDxeSmbiosCallback,
+ NULL,
+ &CallbackEvent
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Status = gBS->RegisterProtocolNotify (
+ &gEfiSmbiosProtocolGuid,
+ CallbackEvent,
+ &mRegistration
+ );
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ //
+ // Performing SiInitEndOfDxe after the gEfiEndOfDxeEventGroup is signaled.
+ //
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ SiInitEndOfDxe,
+ NULL,
+ &gEfiEndOfDxeEventGroupGuid,
+ &EndOfDxeEvent
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
+