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| author | David Wei <david.wei@intel.com> | 2015-01-12 09:37:20 +0000 |
|---|---|---|
| committer | zwei4 <zwei4@Edk2> | 2015-01-12 09:37:20 +0000 |
| commit | 3cbfba02fef9dae07a041fdbf2e89611d72d6f90 (patch) | |
| tree | 0b3bf0783124d38a191e09736492c0141aa36c15 /Vlv2TbltDevicePkg/PlatformCpuInfoDxe/PlatformCpuInfoDxe.c | |
| parent | 6f785cfcc304c48ec04e542ee429df95e7b51bc5 (diff) | |
| download | edk2-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.tar.gz edk2-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.tar.bz2 edk2-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.zip | |
Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to
https://svn.code.sf.net/p/edk2/code/trunk/edk2/,
which are for MinnowBoard MAX open source project.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: David Wei <david.wei@intel.com>
Reviewed-by: Mike Wu <mike.wu@intel.com>
Reviewed-by: Hot Tian <hot.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Vlv2TbltDevicePkg/PlatformCpuInfoDxe/PlatformCpuInfoDxe.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/PlatformCpuInfoDxe/PlatformCpuInfoDxe.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/PlatformCpuInfoDxe/PlatformCpuInfoDxe.c b/Vlv2TbltDevicePkg/PlatformCpuInfoDxe/PlatformCpuInfoDxe.c new file mode 100644 index 0000000000..bd46a13aba --- /dev/null +++ b/Vlv2TbltDevicePkg/PlatformCpuInfoDxe/PlatformCpuInfoDxe.c @@ -0,0 +1,65 @@ +/** @file
+
+ Copyright (c) 2004 - 2014, 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 that 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.
+
+
+Module Name:
+
+ PlatformCpuInfoDxe.c
+
+Abstract:
+ Platform Cpu Info driver to public platform related HOB data
+
+--*/
+
+#include "PlatformCpuInfoDxe.h"
+
+CHAR16 EfiPlatformCpuInfoVariable[] = L"PlatformCpuInfo";
+
+EFI_STATUS
+EFIAPI
+PlatformCpuInfoInit (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_PLATFORM_CPU_INFO *PlatformCpuInfoPtr;
+ EFI_PEI_HOB_POINTERS GuidHob;
+
+ //
+ // Get Platform Cpu Info HOB
+ //
+ GuidHob.Raw = GetHobList ();
+ while ((GuidHob.Raw = GetNextGuidHob (&gEfiPlatformCpuInfoGuid, GuidHob.Raw)) != NULL) {
+ PlatformCpuInfoPtr = GET_GUID_HOB_DATA (GuidHob.Guid);
+ GuidHob.Raw = GET_NEXT_HOB (GuidHob);
+
+ //
+ // Write the Platform CPU Info to volatile memory for runtime purposes.
+ // This must be done in its own driver because SetVariable protocol is dependent on chipset,
+ // which is dependent on CpuIo, PlatformInfo, and Metronome.
+ //
+ Status = gRT->SetVariable(
+ EfiPlatformCpuInfoVariable,
+ &gEfiVlv2VariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ sizeof(EFI_PLATFORM_CPU_INFO),
+ PlatformCpuInfoPtr
+ );
+ if (EFI_ERROR(Status)) {
+ return Status;
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
|