Change to a NEON compatible CPU Arch (ARMv7 is NEON optional) and add performance...

[mirror_edk2.git] / BeagleBoardPkg / Library / EblCmdLib / EblCmdLib.c

diff --git a/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.c b/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.c
index 2141c159b500e6ef962ca3f0b15790d7c3e112f5..413bb47fc28ab9fdf86414ed369ebcd9e78633eb 100644 (file)
--- a/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.c
+++ b/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.c
@@ -27,8 +27,11 @@
 #include <Library/EfiFileLib.h>\r
 #include <Library/ArmDisassemblerLib.h>\r
 #include <Library/PeCoffGetEntryPointLib.h>\r
+#include <Library/PerformanceLib.h>\r
+#include <Library/TimerLib.h>\r
 \r
 #include <Guid/DebugImageInfoTable.h>\r
+\r
 #include <Protocol/DebugSupport.h>\r
 #include <Protocol/LoadedImage.h>\r
 \r
@@ -146,6 +149,101 @@ EblDisassembler (
 }\r
 \r
 \r
+CHAR8 *\r
+ImageHandleToPdbFileName (\r
+  IN  EFI_HANDLE    Handle\r
+  )\r
+{\r
+  EFI_STATUS                  Status;\r
+  EFI_LOADED_IMAGE_PROTOCOL   *LoadedImage;\r
+\r
+  Status = gBS->HandleProtocol (Handle, &gEfiLoadedImageProtocolGuid, (VOID **)&LoadedImage);\r
+  if (EFI_ERROR (Status)) {\r
+    return "";\r
+  }\r
+\r
+  return PeCoffLoaderGetPdbPointer (LoadedImage->ImageBase);\r
+}\r
+\r
+CHAR8 *mTokenList[] = {\r
+  "SEC",\r
+  "PEI",\r
+  "DXE",\r
+  "BDS",\r
+  NULL\r
+};\r
+\r
+/**\r
+  Simple arm disassembler via a library\r
+\r
+  Argv[0] - disasm\r
+  Argv[1] - Address to start disassembling from\r
+  ARgv[2] - Number of instructions to disassembly (optional)\r
+\r
+  @param  Argc   Number of command arguments in Argv\r
+  @param  Argv   Array of strings that represent the parsed command line. \r
+                 Argv[0] is the comamnd name\r
+\r
+  @return EFI_SUCCESS\r
+\r
+**/\r
+EFI_STATUS\r
+EblPerformance (\r
+  IN UINTN  Argc,\r
+  IN CHAR8  **Argv\r
+  )\r
+{\r
+  UINTN       Key;\r
+  CONST VOID  *Handle;\r
+  CONST CHAR8 *Token, *Module;\r
+  UINT64      Start, Stop, TimeStamp;\r
+  UINT64      Delta, TicksPerSecond, Milliseconds, Microseconds;\r
+  UINTN       Index;\r
+\r
+  TicksPerSecond = GetPerformanceCounterProperties (NULL, NULL);\r
+\r
+  Key       = 0;\r
+  do {\r
+    Key = GetPerformanceMeasurement (Key, (CONST VOID **)&Handle, &Token, &Module, &Start, &Stop);\r
+    if (Key != 0) {\r
+      if (AsciiStriCmp ("StartImage:", Token) == 0) {\r
+        if (Stop == 0) {\r
+          // The entry for EBL is still running so the stop time will be zero. Skip it\r
+          AsciiPrint ("   running     %a\n", ImageHandleToPdbFileName ((EFI_HANDLE)Handle));\r
+        } else {\r
+          Delta = Stop - Start;\r
+          Microseconds = DivU64x64Remainder (MultU64x32 (Delta, 1000000), TicksPerSecond, NULL);\r
+          AsciiPrint ("%10ld us  %a\n", Microseconds, ImageHandleToPdbFileName ((EFI_HANDLE)Handle));\r
+        }\r
+      }\r
+    }\r
+  } while (Key != 0);\r
+\r
+  AsciiPrint ("\n");\r
+\r
+  TimeStamp = 0;\r
+  Key       = 0;\r
+  do {\r
+    Key = GetPerformanceMeasurement (Key, (CONST VOID **)&Handle, &Token, &Module, &Start, &Stop);\r
+    if (Key != 0) {\r
+      for (Index = 0; mTokenList[Index] != NULL; Index++) {\r
+        if (AsciiStriCmp (mTokenList[Index], Token) == 0) {\r
+          Delta = Stop - Start;\r
+          TimeStamp += Delta;\r
+          Milliseconds = DivU64x64Remainder (MultU64x32 (Delta, 1000), TicksPerSecond, NULL);\r
+          AsciiPrint ("%6a %6ld ms\n", Token, Milliseconds);\r
+          break;\r
+        }\r
+      }   \r
+    }\r
+  } while (Key != 0);\r
+\r
+  AsciiPrint ("Total Time = %ld ms\n\n", DivU64x64Remainder (MultU64x32 (TimeStamp, 1000), TicksPerSecond, NULL));\r
+\r
+  return EFI_SUCCESS;\r
+}\r
+\r
+\r
 GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mLibCmdTemplate[] =\r
 {\r
   {\r
@@ -154,6 +252,12 @@ GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mLibCmdTemplate[] =
     NULL,\r
     EblDisassembler\r
   },\r
+  {\r
+    "performance",\r
+    " Display boot performance info",\r
+    NULL,\r
+    EblPerformance\r
+  },\r
   {\r
     "symboltable [\"format string\"] [PECOFF]",\r
     " show symbol table commands for debugger",\r