ShellPkg/Dp: Allow dp command to work without ACPI

If the system does not have ACPI setup use the configuration table
to get the performance info.

Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
Reviewed-by: Zhichao Gao <zhichao.gao@intel.com>
diff --git a/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c b/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c
index 512a146..98c84d2 100644
--- a/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c
+++ b/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c
@@ -129,17 +129,22 @@
 GetBootPerformanceTable (

   )

 {

+  EFI_STATUS                  Status;

   FIRMWARE_PERFORMANCE_TABLE  *FirmwarePerformanceTable;

 

   FirmwarePerformanceTable = (FIRMWARE_PERFORMANCE_TABLE *)EfiLocateFirstAcpiTable (

                                                              EFI_ACPI_5_0_FIRMWARE_PERFORMANCE_DATA_TABLE_SIGNATURE

                                                              );

   if (FirmwarePerformanceTable == NULL) {

-    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_GET_ACPI_FPDT_FAIL), mDpHiiHandle);

-    return EFI_NOT_FOUND;

+    Status = EfiGetSystemConfigurationTable (&gEdkiiFpdtExtendedFirmwarePerformanceGuid, (VOID **)&mBootPerformanceTable);

+    if (EFI_ERROR (Status)) {

+      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DP_GET_ACPI_FPDT_FAIL), mDpHiiHandle);

+      return EFI_NOT_FOUND;

+    }

+  } else {

+    mBootPerformanceTable = (UINT8 *)(UINTN)FirmwarePerformanceTable->BootPointerRecord.BootPerformanceTablePointer;

   }

 

-  mBootPerformanceTable     = (UINT8 *)(UINTN)FirmwarePerformanceTable->BootPointerRecord.BootPerformanceTablePointer;

   mBootPerformanceTableSize = ((BOOT_PERFORMANCE_TABLE *)mBootPerformanceTable)->Header.Length;

 

   return EFI_SUCCESS;

diff --git a/ShellPkg/DynamicCommand/DpDynamicCommand/DpApp.inf b/ShellPkg/DynamicCommand/DpDynamicCommand/DpApp.inf
index 4a58286..d9e1c23 100644
--- a/ShellPkg/DynamicCommand/DpDynamicCommand/DpApp.inf
+++ b/ShellPkg/DynamicCommand/DpDynamicCommand/DpApp.inf
@@ -54,6 +54,7 @@
 

 [Guids]

   gPerformanceProtocolGuid                                ## CONSUMES ## SystemTable

+  gEdkiiFpdtExtendedFirmwarePerformanceGuid               ## CONSUMES ## SystemTable

 

 [Protocols]

   gEfiLoadedImageProtocolGuid                             ## CONSUMES

diff --git a/ShellPkg/DynamicCommand/DpDynamicCommand/DpDynamicCommand.inf b/ShellPkg/DynamicCommand/DpDynamicCommand/DpDynamicCommand.inf
index 013bdbd..2723fee 100644
--- a/ShellPkg/DynamicCommand/DpDynamicCommand/DpDynamicCommand.inf
+++ b/ShellPkg/DynamicCommand/DpDynamicCommand/DpDynamicCommand.inf
@@ -55,6 +55,7 @@
 

 [Guids]

   gPerformanceProtocolGuid                                ## CONSUMES ## SystemTable

+  gEdkiiFpdtExtendedFirmwarePerformanceGuid               ## CONSUMES ## SystemTable

 

 [Protocols]

   gEfiLoadedImageProtocolGuid                             ## CONSUMES