Update Unix platform to use dynamic HII pcd to save console output mode.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7580 6f19259b-4bc3-4df7-8a09-765794883524

UnixPkg/Library/UnixBdsLib/BdsPlatform.c

@@ -23,6 +23,44 @@ Abstract:
 #include "BdsPlatform.h"
 
 CHAR16  mFirmwareVendor[] = L"TianoCore.org";
+UNIX_SYSTEM_CONFIGURATION mSystemConfigData;
+
+VOID
+SetupVariableInit (
+  VOID
+  )
+{
+  EFI_STATUS                      Status;
+  UINTN                           Size;
+
+  Size = sizeof (mSystemConfigData);
+  Status = gRT->GetVariable (
+                  L"Setup",
+                  &gEfiUnixSystemConfigGuid,
+                  NULL,
+                  &Size,
+                  (VOID *) &mSystemConfigData
+                  );
+
+  if (EFI_ERROR (Status)) {
+    //
+    // SetupVariable is corrupt
+    //
+    mSystemConfigData.ConOutRow = PcdGet32 (PcdConOutColumn);
+    mSystemConfigData.ConOutColumn = PcdGet32 (PcdConOutRow);
+
+    Status = gRT->SetVariable (
+                    L"Setup",
+                    &gEfiUnixSystemConfigGuid,
+                    EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+                    sizeof (mSystemConfigData),
+                    (VOID *) &mSystemConfigData
+                    );
+    if (EFI_ERROR (Status)) {
+      DEBUG ((EFI_D_ERROR, "Failed to save Setup Variable to non-volatile storage, Status = %r\n", Status));
+    }
+  }
+}
 
 //
 // BDS Platform Functions
@@ -35,7 +73,7 @@ PlatformBdsInit (
 
 Routine Description:
 
-  Platform Bds init. Incude the platform firmware vendor, revision
+  Platform Bds init. Include the platform firmware vendor, revision
   and so crc check.
 
 Arguments: