| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * AMD Integrated Debug Routines for performance analysis |
| * |
| * Contains AMD AGESA debug macros and functions for performance analysis |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: IDS |
| * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| */ |
| /***************************************************************************** |
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| ****************************************************************************** |
| */ |
| /*---------------------------------------------------------------------------------------- |
| * M O D U L E S U S E D |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| #include "AGESA.h" |
| #include "Ids.h" |
| #include "IdsLib.h" |
| #include "IdsDpHdtout.h" |
| #include "heapManager.h" |
| #include "cpuFamilyTranslation.h" |
| #include "amdlib.h" |
| |
| #define FILECODE PROC_IDS_PERF_IDSPERF_FILECODE |
| /** |
| * |
| * IDS Performance function for Output to HDT. |
| * |
| * Invoke communications with the HDT environment to allow the user to issue |
| * debug commands. If the sign = 0x0, HDT Control Register will be initialized to |
| * catch the special I/O for HDT_OUT. Otherwise, it will inform HDT script |
| * function what is meaning for the value to output to HDT. |
| * |
| * @param[in] Command HDT_OUT Command. |
| * @param[in] Data The Data to output to HDT. |
| * @param[in,out] StdHeader The Pointer of AGESA Header |
| * |
| **/ |
| #define HDTOUT_COMMAND 0x99cc |
| #define HDTOUT_TIME_ANALYSE (0xD0BF0000ul | HDTOUT_COMMAND) |
| |
| VOID |
| IdsPerfHdtOut ( |
| IN UINT16 Command, |
| IN UINT32 Data, |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| IdsOutPort (HDTOUT_TIME_ANALYSE, Data, 0); |
| } |
| |
| /** |
| * |
| * Get Ids Performance analysis table pointer in the AGESA Heap. |
| * |
| * @param[in] LineInFile ((FILECODE) shift 16)+ Line number |
| * @param[in,out] StdHeader The Pointer of AGESA Header |
| * |
| * @retval AGESA_SUCCESS Success to get the pointer of Performance analysis Table. |
| * @retval AGESA_ERROR Fail to get the pointer of Performance analysis Table. |
| * @retval AGESA_UNSUPPORTED Get an exclude testpoint |
| * |
| **/ |
| AGESA_STATUS |
| IdsPerfTimestamp ( |
| IN UINT32 LineInFile, |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| AGESA_STATUS status; |
| UINT32 Index; |
| TP_Perf_STRUCT *PerfTableEntry; |
| ALLOCATE_HEAP_PARAMS AllocHeapParams; |
| LOCATE_HEAP_PTR LocateHeapStructPtr; |
| UINT64 CurrentTsc; |
| |
| //if heap is not ready yet, don't invoke locate buffer, or else will cause event log & locate heap dead loop |
| if (StdHeader->HeapStatus != HEAP_DO_NOT_EXIST_YET ) { |
| LibAmdMsrRead (TSC, &CurrentTsc, StdHeader); |
| |
| LocateHeapStructPtr.BufferHandle = IDS_CHECK_POINT_PERF_HANDLE; |
| LocateHeapStructPtr.BufferPtr = NULL; |
| status = HeapLocateBuffer (&LocateHeapStructPtr, StdHeader); |
| if (status == AGESA_SUCCESS) { |
| PerfTableEntry = (TP_Perf_STRUCT *) (LocateHeapStructPtr.BufferPtr); |
| } else { |
| AllocHeapParams.RequestedBufferSize = sizeof (TP_Perf_STRUCT); |
| AllocHeapParams.BufferHandle = IDS_CHECK_POINT_PERF_HANDLE; |
| AllocHeapParams.Persist = HEAP_SYSTEM_MEM; |
| status = HeapAllocateBuffer (&AllocHeapParams, StdHeader); |
| if (status != AGESA_SUCCESS) { |
| return status; |
| } |
| PerfTableEntry = (TP_Perf_STRUCT *) (AllocHeapParams.BufferPtr); |
| LibAmdMemFill (PerfTableEntry, 0, sizeof (TP_Perf_STRUCT), StdHeader); |
| PerfTableEntry->Signature = 'EMIT'; |
| } |
| |
| Index = PerfTableEntry ->Index; |
| |
| PerfTableEntry ->TP[Index].LineInFile = LineInFile; |
| PerfTableEntry ->TP[Index].StartTsc = CurrentTsc; |
| PerfTableEntry ->Index = ++Index; |
| } |
| return AGESA_SUCCESS; |
| } |
| |
| typedef struct _PERFREGBACKUP { |
| UINT64 SMsr; |
| UINT32 Dr0Reg; |
| UINT32 Dr7Reg; |
| UINT32 Cr4Reg; |
| } PERFREGBACKUP; |
| |
| VOID |
| IdsPerfSaveReg ( |
| IN OUT PERFREGBACKUP * perfreg, |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| |
| LibAmdReadCpuReg (DR0_REG, &perfreg->Dr0Reg); |
| |
| LibAmdReadCpuReg (DR7_REG, &perfreg->Dr7Reg); |
| |
| LibAmdReadCpuReg (CR4_REG, &perfreg->Cr4Reg); |
| } |
| |
| VOID |
| IdsPerfRestoreReg ( |
| IN PERFREGBACKUP * perfreg, |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| |
| LibAmdWriteCpuReg (DR0_REG, perfreg->Dr0Reg); |
| |
| LibAmdWriteCpuReg (DR7_REG, perfreg->Dr7Reg); |
| |
| LibAmdWriteCpuReg (CR4_REG, perfreg->Cr4Reg); |
| } |
| /** |
| * Output Test Point function . |
| * |
| * @param[in,out] StdHeader The Pointer of Standard Header. |
| * |
| * @retval AGESA_SUCCESS Success to get the pointer of IDS_CHECK_POINT_PERF_HANDLE. |
| * @retval AGESA_ERROR Fail to get the pointer of IDS_CHECK_POINT_PERF_HANDLE. |
| * |
| **/ |
| AGESA_STATUS |
| IdsPerfAnalyseTimestamp ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| AGESA_STATUS status; |
| LOCATE_HEAP_PTR LocateHeapStructPtr; |
| UINT32 TscRateInMhz; |
| CPU_SPECIFIC_SERVICES *FamilySpecificServices; |
| PERFREGBACKUP PerfReg; |
| UINT32 CR4reg; |
| UINT64 SMsr; |
| |
| LocateHeapStructPtr.BufferHandle = IDS_CHECK_POINT_PERF_HANDLE; |
| LocateHeapStructPtr.BufferPtr = NULL; |
| status = HeapLocateBuffer (&LocateHeapStructPtr, StdHeader); |
| if (status != AGESA_SUCCESS) { |
| return status; |
| } |
| GetCpuServicesOfCurrentCore (&FamilySpecificServices, StdHeader); |
| FamilySpecificServices->GetTscRate (FamilySpecificServices, &TscRateInMhz, StdHeader); |
| ((TP_Perf_STRUCT *) (LocateHeapStructPtr.BufferPtr)) ->TscInMhz = TscRateInMhz; |
| if (AmdIdsHdtOutSupport () == FALSE) { |
| //Init break point |
| IdsPerfSaveReg (&PerfReg, StdHeader); |
| |
| SMsr |= 1; |
| |
| LibAmdWriteCpuReg (DR2_REG, 0x99cc); |
| LibAmdWriteCpuReg (DR7_REG, 0x02000420); |
| |
| LibAmdReadCpuReg (CR4_REG, &CR4reg); |
| LibAmdWriteCpuReg (CR4_REG, CR4reg | ((UINT32)1 << 3)); |
| |
| IdsPerfHdtOut (1, (UINT32) (UINT64) LocateHeapStructPtr.BufferPtr, StdHeader); |
| IdsPerfRestoreReg (&PerfReg, StdHeader); |
| } |
| return status; |
| } |
| |
| |