efi_loader: move codepage 437 table

Move the Unicode to codepage 437 table to charset.c

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

include/charset.h

@@ -13,6 +13,11 @@
 
 #define MAX_UTF8_PER_UTF16 3
 
+/**
+ * codepage_437 - Unicode to codepage 437 translation table
+ */
+extern const u16 codepage_437[128];
+
 /**
  * console_read_unicode() - read Unicode code point from console
  *

lib/charset.c

@@ -8,9 +8,15 @@
 #include <common.h>
 #include <charset.h>
 #include <capitalization.h>
+#include <cp437.h>
 #include <efi_loader.h>
 #include <malloc.h>
 
+/**
+ * codepage_437 - Unicode to codepage 437 translation table
+ */
+const u16 codepage_437[128] = CP437;
+
 static struct capitalization_table capitalization_table[] =
 #ifdef CONFIG_EFI_UNICODE_CAPITALIZATION
 	UNICODE_CAPITALIZATION_TABLE;

lib/efi_loader/efi_unicode_collation.c

@@ -23,7 +23,7 @@ static const char illegal[] = "+,<=>:;\"/\\|?*[]\x7f";
 static const u16 codepage[] = CP1250;
 #else
 /* Unicode code points for code page 437 characters 0x80 - 0xff */
-static const u16 codepage[] = CP437;
+static const u16 *codepage = codepage_437;
 #endif
 
 /* GUID of the EFI_UNICODE_COLLATION_PROTOCOL2 */