Bds: show global FDT config in main menu

Previously, there was no way to read the global FDT config.

This patch displays the global FDT config after the boot devices in the main
menu.

Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/edk2/ArmPlatformPkg/Bds/BootMenu.c b/edk2/ArmPlatformPkg/Bds/BootMenu.c
index 3f443fca8..1cc048e51 100644
--- a/edk2/ArmPlatformPkg/Bds/BootMenu.c
+++ b/edk2/ArmPlatformPkg/Bds/BootMenu.c
@@ -613,6 +613,9 @@ BootMenuMain (
   UINTN                         Index;

   UINTN                         BootMainEntryCount;

   CHAR8                         BootOptionSelectedStr[32];
+  EFI_DEVICE_PATH_PROTOCOL*     DefaultFdtDevicePath;
+  UINTN                         FdtDevicePathSize;
+
 

   BootOption              = NULL;

   BootMainEntryCount = sizeof(BootMainEntries) / sizeof(struct BOOT_MAIN_ENTRY);

@@ -672,6 +675,30 @@ BootMenuMain (
     }

     BootOptionCount = OptionCount-1;

 

+    // Display the global FDT config
+    Print(L"-----------------------\n");
+      {
+        EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL*   EfiDevicePathFromTextProtocol;
+        EFI_DEVICE_PATH_PROTOCOL*             FdtDevicePath;
+        EFI_DEVICE_PATH_TO_TEXT_PROTOCOL*     DevicePathToTextProtocol;
+        CHAR16*                               DevicePathTxt;
+
+        // Get the default FDT device path
+        Status = gBS->LocateProtocol (&gEfiDevicePathFromTextProtocolGuid, NULL, (VOID **)&EfiDevicePathFromTextProtocol);
+        ASSERT_EFI_ERROR(Status);
+        DefaultFdtDevicePath = EfiDevicePathFromTextProtocol->ConvertTextToDevicePath ((CHAR16*)PcdGetPtr(PcdFdtDevicePath));
+
+        // Get the FDT device path
+        FdtDevicePathSize = GetDevicePathSize (DefaultFdtDevicePath);
+        Status = GetEnvironmentVariable ((CHAR16 *)L"Fdt", DefaultFdtDevicePath, &FdtDevicePathSize, (VOID **)&FdtDevicePath);
+        ASSERT_EFI_ERROR(Status);
+
+        // Convert FdtDevicePath to text
+        Status = gBS->LocateProtocol (&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);
+        DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText ( FdtDevicePath, TRUE, TRUE );
+        Print(L"Global FDT Config\n\t- %s\n", DevicePathTxt);
+      }
+
     // Display the hardcoded Boot entries

     Print(L"-----------------------\n");
     for (Index = 0; Index < BootMainEntryCount; Index++) {