diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-23 12:58:27 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:15:08 +0800 |
| commit | 7e5ec7995593295b0a77c0443e8bf82bf9e3dd30 (patch) | |
| tree | cb8db3d10691542545c3a7553876242dcc2e9d20 /Silicon | |
| parent | 64389b83211f2caea1fb4b394bc395ce4eb514e4 (diff) | |
| download | edk2-platforms-7e5ec7995593295b0a77c0443e8bf82bf9e3dd30.tar.xz | |
BroxtonSiPkg: Add SiInit
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Silicon')
| -rw-r--r-- | Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.c | 143 | ||||
| -rw-r--r-- | Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.inf | 48 |
2 files changed, 191 insertions, 0 deletions
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.c b/Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.c new file mode 100644 index 0000000000..e542380ed4 --- /dev/null +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.c @@ -0,0 +1,143 @@ +/** @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;
+}
+
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.inf b/Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.inf new file mode 100644 index 0000000000..386bd5d27e --- /dev/null +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SiInit/Dxe/SiInitDxe.inf @@ -0,0 +1,48 @@ +## @file
+# Component information file for the Silicion 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.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = SiInitDxe
+ FILE_GUID = ACD28235-075B-48b5-98A1-DA04FCAF84F3
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = SiInitDxe
+
+[Sources]
+ SiInitDxe.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ BroxtonSiPkg/BroxtonSiPkg.dec
+
+[LibraryClasses]
+ UefiDriverEntryPoint
+ UefiRuntimeServicesTableLib
+ UefiBootServicesTableLib
+ UefiLib
+ DebugLib
+ SmbiosMemoryLib
+
+[Protocols]
+ gEfiSmbiosProtocolGuid ## CONSUMES
+
+[Guids]
+ gEfiEndOfDxeEventGroupGuid ## UNDEFINED
+
+[Pcd]
+
+[Depex]
+ gEfiVariableArchProtocolGuid
|