From: Janne Grunau j@jannau.net
Draw symbols from code page 437 code points 0x01 - 01f used by UEFI applications to draw user interfaces using EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.
Add a simple test to displaying the Konami code using symbols used by grub2. The output has to be checked manually on the screen for correctness.
Signed-off-by: Janne Grunau j@jannau.net --- lib/efi_selftest/efi_selftest_textoutput.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/lib/efi_selftest/efi_selftest_textoutput.c b/lib/efi_selftest/efi_selftest_textoutput.c index cc11a22eee..9e5d944fa0 100644 --- a/lib/efi_selftest/efi_selftest_textoutput.c +++ b/lib/efi_selftest/efi_selftest_textoutput.c @@ -46,6 +46,8 @@ u"left bottom \u2502 right bottom \u2502\n\u2514\u2500\u2500\u2500" u"\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534" u"\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500" u"\u2500\u2500\u2500\u2500\u2518\n"; + const u16 konami[] = +u"Konami code: \u25b2 \u25b2 \u25bc \u25bc \u25c4 \u25ba \u25c4 \u25ba B A\n";
/* SetAttribute */ efi_st_printf("\nColor palette\n"); @@ -144,6 +146,11 @@ u"\u2500\u2500\u2500\u2500\u2518\n"; efi_st_error("OutputString failed for box drawing chars\n"); return EFI_ST_FAILURE; } + ret = con_out->output_string(con_out, konami); + if (ret != EFI_ST_SUCCESS) { + efi_st_error("OutputString failed for symbol chars\n"); + return EFI_ST_FAILURE; + } con_out->output_string(con_out, u"waiting for admiration...\n"); EFI_CALL(systab.boottime->stall(3000000)); efi_st_printf("\n");