diff options
Diffstat (limited to 'Silicon/BroxtonSoC/BroxtonSiPkg/Txe/Library/SmmHeciMsgLib/SmmHeciMsgLib.c')
-rw-r--r-- | Silicon/BroxtonSoC/BroxtonSiPkg/Txe/Library/SmmHeciMsgLib/SmmHeciMsgLib.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/Txe/Library/SmmHeciMsgLib/SmmHeciMsgLib.c b/Silicon/BroxtonSoC/BroxtonSiPkg/Txe/Library/SmmHeciMsgLib/SmmHeciMsgLib.c new file mode 100644 index 0000000000..d2d3da37cb --- /dev/null +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/Txe/Library/SmmHeciMsgLib/SmmHeciMsgLib.c @@ -0,0 +1,91 @@ +/** @file
+ Implementation file for Heci Message functionality.
+
+ Copyright (c) 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/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HeciMsgLib.h>
+#include <Library/SmmServicesTableLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+UINT8 *mNonSmmData = NULL;
+
+/**
+ Set Read Write Temp memory.
+
+ @param[in] Address Temp memory.
+
+**/
+VOID
+HeciSetReadWriteCache (
+ VOID* Address
+ );
+
+/**
+ SmmEndOfDxeCallback
+
+ @param[in] Protocol
+ @param[in] Interface
+ @param[in] Handle
+
+ @retval EFI_STATUS
+
+**/
+EFI_STATUS
+EFIAPI
+HeciMsgLibSmmEndOfDxeNotification (
+ IN CONST EFI_GUID *Protocol,
+ IN VOID *Interface,
+ IN EFI_HANDLE Handle
+ )
+{
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+EFIAPI
+HeciMsgLibSmmConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ VOID *SmmEndOfDxeRegistration;
+
+ Status = gBS->AllocatePages (
+ AllocateAnyPages,
+ EfiBootServicesData,
+ EFI_SIZE_TO_PAGES (SIZE_64KB),
+ (EFI_PHYSICAL_ADDRESS *) (UINTN) &mNonSmmData
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ if (mNonSmmData == NULL) {
+ ASSERT (mNonSmmData != NULL);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ HeciSetReadWriteCache (mNonSmmData);
+
+ Status = gSmst->SmmRegisterProtocolNotify (
+ &gEfiSmmEndOfDxeProtocolGuid,
+ HeciMsgLibSmmEndOfDxeNotification,
+ &SmmEndOfDxeRegistration
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
+
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