Print prompt

xtldr/shell.c

@@ -13,4 +13,12 @@ XTCDECL
 VOID
 BlStartLoaderShell()
 {
+    /* Clear screen and enable cursor */
+    BlSetConsoleAttributes(EFI_TEXT_BGCOLOR_BLACK | EFI_TEXT_FGCOLOR_LIGHTGRAY);
+    BlClearConsoleScreen();
+    BlEnableConsoleCursor();
+
+    /* Print prompt */
+    BlConsolePrint(L"XTLDR> ");
+    for(;;);
 }