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author | jyao1 <jyao1> | 2014-07-24 06:52:43 +0000 |
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committer | jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-07-24 06:52:43 +0000 |
commit | a33a2f62218e6e49a25d63474b7fe423d8ee4b71 (patch) | |
tree | ca8e4dd491a71f4a7e36fbc17c5e95276d555b43 /IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/SecGetPerformance.c | |
parent | 34717ef034ed275a15683dafd29cb518af50fff0 (diff) | |
download | edk2-platforms-a33a2f62218e6e49a25d63474b7fe423d8ee4b71.tar.xz |
Add IntelFspWrapper to support boot EDKII on FSP bin.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed off by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed by: Ravi Rangarajan <ravi.p.rangarajan@intel.com>
Reviewed by: Maurice Ma <maurice.ma@intel.com>
Reviewed by: Giri Mudusuru <giri.p.mudusuru@intel.com>
Reviewed by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15676 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/SecGetPerformance.c')
-rw-r--r-- | IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/SecGetPerformance.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/SecGetPerformance.c b/IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/SecGetPerformance.c new file mode 100644 index 0000000000..e2d6b3da57 --- /dev/null +++ b/IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/SecGetPerformance.c @@ -0,0 +1,90 @@ +/** @file
+ Sample to provide SecGetPerformance function.
+
+ Copyright (c) 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
+ 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 <PiPei.h>
+
+#include <Ppi/SecPerformance.h>
+#include <Ppi/TopOfTemporaryRam.h>
+
+#include <Library/BaseMemoryLib.h>
+#include <Library/TimerLib.h>
+#include <Library/DebugLib.h>
+
+/**
+ This interface conveys performance information out of the Security (SEC) phase into PEI.
+
+ This service is published by the SEC phase. The SEC phase handoff has an optional
+ EFI_PEI_PPI_DESCRIPTOR list as its final argument when control is passed from SEC into the
+ PEI Foundation. As such, if the platform supports collecting performance data in SEC,
+ this information is encapsulated into the data structure abstracted by this service.
+ This information is collected for the boot-strap processor (BSP) on IA-32.
+
+ @param[in] PeiServices The pointer to the PEI Services Table.
+ @param[in] This The pointer to this instance of the PEI_SEC_PERFORMANCE_PPI.
+ @param[out] Performance The pointer to performance data collected in SEC phase.
+
+ @retval EFI_SUCCESS The data was successfully returned.
+
+**/
+EFI_STATUS
+EFIAPI
+SecGetPerformance (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN PEI_SEC_PERFORMANCE_PPI *This,
+ OUT FIRMWARE_SEC_PERFORMANCE *Performance
+ )
+{
+ UINT32 Size;
+ UINT32 Count;
+ UINT32 TopOfTemporaryRam;
+ UINT64 Ticker;
+ VOID *TopOfTemporaryRamPpi;
+ EFI_STATUS Status;
+
+ DEBUG ((DEBUG_INFO, "SecGetPerformance\n"));
+
+ Status = (*PeiServices)->LocatePpi (
+ PeiServices,
+ &gTopOfTemporaryRamPpiGuid,
+ 0,
+ NULL,
+ (VOID **) &TopOfTemporaryRamPpi
+ );
+ if (EFI_ERROR (Status)) {
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // |--------------| <- TopOfTemporaryRam
+ // |Number of BSPs|
+ // |--------------|
+ // | BIST |
+ // |--------------|
+ // | .... |
+ // |--------------|
+ // | TSC[63:32] |
+ // |--------------|
+ // | TSC[31:00] |
+ // |--------------|
+ //
+ TopOfTemporaryRam = (UINT32)(UINTN)TopOfTemporaryRamPpi - sizeof(UINT32);
+ TopOfTemporaryRam -= sizeof(UINT32) * 2;
+ Count = *(UINT32 *) (UINTN) (TopOfTemporaryRam - sizeof (UINT32));
+ Size = Count * sizeof (UINT64);
+
+ Ticker = *(UINT64 *) (UINTN) (TopOfTemporaryRam - sizeof (UINT32) - Size - sizeof (UINT32) * 2);
+ Performance->ResetEnd = GetTimeInNanoSecond (Ticker);
+
+ return EFI_SUCCESS;
+}
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