[edk2-devel] [PATCH v2 2/2] ShellPkg/Dp: Allow dp command to work without ACPI

[Jeff Brasen via groups.io]

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

Signed-off-by: Jeff Brasen <jbrasen at nvidia.com>
---
 ShellPkg/DynamicCommand/DpDynamicCommand/DpApp.inf    |  1 +
 .../DpDynamicCommand/DpDynamicCommand.inf             |  1 +
 ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c         | 11 ++++++++---
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/ShellPkg/DynamicCommand/DpDynamicCommand/DpApp.inf b/ShellPkg/DynamicCommand/DpDynamicCommand/DpApp.inf
index 4a58286b8c1a..d9e1c23a1ee7 100644
--- a/ShellPkg/DynamicCommand/DpDynamicCommand/DpApp.inf
+++ b/ShellPkg/DynamicCommand/DpDynamicCommand/DpApp.inf
@@ -54,6 +54,7 @@ [LibraryClasses]
 
 [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 013bdbd4a07e..2723fee7066e 100644
--- a/ShellPkg/DynamicCommand/DpDynamicCommand/DpDynamicCommand.inf
+++ b/ShellPkg/DynamicCommand/DpDynamicCommand/DpDynamicCommand.inf
@@ -55,6 +55,7 @@ [LibraryClasses]
 
 [Guids]
   gPerformanceProtocolGuid                                ## CONSUMES ## SystemTable
+  gEdkiiFpdtExtendedFirmwarePerformanceGuid               ## CONSUMES ## SystemTable
 
 [Protocols]
   gEfiLoadedImageProtocolGuid                             ## CONSUMES
diff --git a/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c b/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c
index 512a146da6dd..98c84d2ef938 100644
--- a/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c
+++ b/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c
@@ -129,17 +129,22 @@ EFI_STATUS
 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;
-- 
2.25.1



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