From: Andre Przywara <[email protected]> UEFI relies entirely on unicode output, which actual fonts displayed on the screen might not be ready for.
Add a test displaying some international characters, to reveal missing glyphs, especially in our builtin fonts. This would be needed to be manually checked on the screen for correctness. Signed-off-by: Andre Przywara <[email protected]> Suggested-by: Heinrich Schuchardt <[email protected]> Signed-off-by: Janne Grunau <[email protected]> --- lib/efi_selftest/efi_selftest_textoutput.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/lib/efi_selftest/efi_selftest_textoutput.c b/lib/efi_selftest/efi_selftest_textoutput.c index cc44b38bc2..917903473d 100644 --- a/lib/efi_selftest/efi_selftest_textoutput.c +++ b/lib/efi_selftest/efi_selftest_textoutput.c @@ -31,6 +31,21 @@ static int execute(void) 0xD804, 0xDC22, 0}; + const u16 text[] = +u"This should render international characters as described\n" +u"U+00D6 \u00D6 - Latin capital letter O with diaresis\n" +u"U+00DF \u00DF - Latin small letter sharp s\n" +u"U+00E5 \u00E5 - Latin small letter a with ring above\n" +u"U+00E9 \u00E9 - Latin small letter e with acute\n" +u"U+00F1 \u00F1 - Latin small letter n with tilde\n" +u"U+00F6 \u00F6 - Latin small letter o with diaresis\n" +u"The following characters will render as '?' with bitmap fonts\n" +u"U+00F8 \u00F8 - Latin small letter o with stroke\n" +u"U+03AC \u03AC - Greek small letter alpha with tonus\n" +u"U+03BB \u03BB - Greek small letter lambda\n" +u"U+03C2 \u03C2 - Greek small letter final sigma\n" +u"U+1F19 \u1F19 - Greek capital letter epsilon with dasia\n"; + /* SetAttribute */ efi_st_printf("\nColor palette\n"); for (foreground = 0; foreground < 0x10; ++foreground) { @@ -119,6 +134,12 @@ static int execute(void) return EFI_ST_FAILURE; } efi_st_printf("\n"); + ret = con_out->output_string(con_out, text); + if (ret != EFI_ST_SUCCESS) { + efi_st_error("OutputString failed for international chars\n"); + return EFI_ST_FAILURE; + } + efi_st_printf("\n"); return EFI_ST_SUCCESS; } -- 2.44.0
