Implement BmDisableCursor(), BmEnableCursor() and BmPrintChar() routines

xtldr2/console.c

@@ -24,6 +24,34 @@ BmClearScreen()
     EfiSystemTable->ConOut->ClearScreen(EfiSystemTable->ConOut);
 }
 
+/**
+ * Disables the cursor on the UEFI console.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+BmDisableCursor()
+{
+    EfiSystemTable->ConOut->EnableCursor(EfiSystemTable->ConOut, FALSE);
+}
+
+/**
+ * Enables the cursor on the UEFI console.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+BmEnableCursor()
+{
+    EfiSystemTable->ConOut->EnableCursor(EfiSystemTable->ConOut, TRUE);
+}
+
 /**
  * This routine initializes the EFI console.
  *
@@ -40,9 +68,29 @@ BmInitializeConsole()
     EfiSystemTable->ConOut->Reset(EfiSystemTable->ConOut, TRUE);
     EfiSystemTable->StdErr->Reset(EfiSystemTable->StdErr, TRUE);
 
-    /* Clear screen */
+    /* Clear screen and enable cursor */
     BmClearScreen();
-
-    /* Enable cursor */
-    EfiSystemTable->ConOut->EnableCursor(EfiSystemTable->ConOut, TRUE);
+    BmEnableCursor();
+}
+
+/**
+ * Writes a character to the default EFI console.
+ *
+ * @param Character
+ *        The integer promotion of the character to be written.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+BmPrintChar(IN USHORT Character)
+{
+    USHORT Buffer[2];
+
+    /* Write character to the screen console */
+    Buffer[0] = Character;
+    Buffer[1] = 0;
+    EfiSystemTable->ConOut->OutputString(EfiSystemTable->ConOut, Buffer);
 }

xtldr2/includes/xtbm.h

@@ -25,10 +25,22 @@ XTCDECL
 VOID
 BmClearScreen();
 
+XTCDECL
+VOID
+BmDisableCursor();
+
+XTCDECL
+VOID
+BmEnableCursor();
+
 XTCDECL
 VOID
 BmInitializeConsole();
 
+XTCDECL
+VOID
+BmPrintChar(IN USHORT Character);
+
 XTCDECL
 EFI_STATUS
 BmStartXtLoader(IN EFI_HANDLE ImageHandle,