From ac72d17fd8fadd62df71547ef2446ef54e3c8ee5 Mon Sep 17 00:00:00 2001 From: Janne Grunau Date: Sat, 16 Mar 2024 22:50:20 +0100 Subject: lib/charset: Map Unicode code points to CP437 code points 1-31 Code page 437 uses code points 1-31 for glyphs instead of control characters. Map the appropriate Unicode code points to this code points. Fixes rendering of grub2's menu as EFI application using the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL on a console with bitmap fonts. Signed-off-by: Janne Grunau --- lib/efi_loader/efi_unicode_collation.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'lib/efi_loader') diff --git a/lib/efi_loader/efi_unicode_collation.c b/lib/efi_loader/efi_unicode_collation.c index 2b6912c5092..627bb9123cf 100644 --- a/lib/efi_loader/efi_unicode_collation.c +++ b/lib/efi_loader/efi_unicode_collation.c @@ -256,7 +256,7 @@ static void EFIAPI efi_fat_to_str(struct efi_unicode_collation_protocol *this, for (i = 0; i < fat_size; ++i) { c = (unsigned char)fat[i]; if (c > 0x80) - c = codepage[c - 0x80]; + c = codepage[c - 0x60]; string[i] = c; if (!c) break; -- cgit v1.3.1