Add IntelFsp2Pkg and IntelFsp2WrapperPkg.

[mirror_edk2.git] / IntelFsp2WrapperPkg / Library / SecFspWrapperPlatformSecLibSample / SecGetPerformance.c

diff --git a/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/SecGetPerformance.c b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/SecGetPerformance.c
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index 0000000..e2d6b3d
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+++ b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/SecGetPerformance.c
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+/** @file\r
+  Sample to provide SecGetPerformance function.\r
+\r
+  Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r
+  This program and the accompanying materials\r
+  are licensed and made available under the terms and conditions of the BSD License\r
+  which accompanies this distribution.  The full text of the license may be found at\r
+  http://opensource.org/licenses/bsd-license.php.\r
+\r
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include <PiPei.h>\r
+\r
+#include <Ppi/SecPerformance.h>\r
+#include <Ppi/TopOfTemporaryRam.h>\r
+\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/TimerLib.h>\r
+#include <Library/DebugLib.h>\r
+\r
+/**\r
+  This interface conveys performance information out of the Security (SEC) phase into PEI.\r
+\r
+  This service is published by the SEC phase. The SEC phase handoff has an optional\r
+  EFI_PEI_PPI_DESCRIPTOR list as its final argument when control is passed from SEC into the\r
+  PEI Foundation. As such, if the platform supports collecting performance data in SEC,\r
+  this information is encapsulated into the data structure abstracted by this service.\r
+  This information is collected for the boot-strap processor (BSP) on IA-32.\r
+\r
+  @param[in]  PeiServices  The pointer to the PEI Services Table.\r
+  @param[in]  This         The pointer to this instance of the PEI_SEC_PERFORMANCE_PPI.\r
+  @param[out] Performance  The pointer to performance data collected in SEC phase.\r
+\r
+  @retval EFI_SUCCESS  The data was successfully returned.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+SecGetPerformance (\r
+  IN CONST EFI_PEI_SERVICES          **PeiServices,\r
+  IN       PEI_SEC_PERFORMANCE_PPI   *This,\r
+  OUT      FIRMWARE_SEC_PERFORMANCE  *Performance\r
+  )\r
+{\r
+  UINT32      Size;\r
+  UINT32      Count;\r
+  UINT32      TopOfTemporaryRam;\r
+  UINT64      Ticker;\r
+  VOID        *TopOfTemporaryRamPpi;\r
+  EFI_STATUS  Status;\r
+\r
+  DEBUG ((DEBUG_INFO, "SecGetPerformance\n"));\r
+\r
+  Status = (*PeiServices)->LocatePpi (\r
+                             PeiServices,\r
+                             &gTopOfTemporaryRamPpiGuid,\r
+                             0,\r
+                             NULL,\r
+                             (VOID **) &TopOfTemporaryRamPpi\r
+                             );\r
+  if (EFI_ERROR (Status)) {\r
+    return EFI_NOT_FOUND;\r
+  }\r
+\r
+  //\r
+  // |--------------| <- TopOfTemporaryRam\r
+  // |Number of BSPs|\r
+  // |--------------|\r
+  // |     BIST     |\r
+  // |--------------|\r
+  // |     ....     |\r
+  // |--------------|\r
+  // |  TSC[63:32]  |\r
+  // |--------------|\r
+  // |  TSC[31:00]  |\r
+  // |--------------|\r
+  //\r
+  TopOfTemporaryRam = (UINT32)(UINTN)TopOfTemporaryRamPpi - sizeof(UINT32);\r
+  TopOfTemporaryRam -= sizeof(UINT32) * 2;\r
+  Count             = *(UINT32 *) (UINTN) (TopOfTemporaryRam - sizeof (UINT32));\r
+  Size              = Count * sizeof (UINT64);\r
+\r
+  Ticker = *(UINT64 *) (UINTN) (TopOfTemporaryRam - sizeof (UINT32) - Size - sizeof (UINT32) * 2);\r
+  Performance->ResetEnd = GetTimeInNanoSecond (Ticker);\r
+\r
+  return EFI_SUCCESS;\r
+}\r