diff options
Diffstat (limited to 'lib/efi_loader/efi_console.c')
| -rw-r--r-- | lib/efi_loader/efi_console.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index 9d9f786a6db..e310f2f53ae 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -30,6 +30,17 @@ struct cout_mode { __maybe_unused static struct efi_object uart_obj; +/* + * suppress emission of ANSI escape-characters for use by unit tests. Leave it + * as 0 for the default behaviour + */ +static bool no_ansi; + +void efi_console_set_ansi(bool allow_ansi) +{ + no_ansi = !allow_ansi; +} + static struct cout_mode efi_cout_modes[] = { /* EFI Mode 0 is 80x25 and always present */ { @@ -348,13 +359,6 @@ static int __maybe_unused query_vidconsole(int *rows, int *cols) return 0; } -/** - * efi_setup_console_size() - update the mode table. - * - * By default the only mode available is 80x25. If the console has at least 50 - * lines, enable mode 80x50. If we can query the console size and it is neither - * 80x25 nor 80x50, set it as an additional mode. - */ void efi_setup_console_size(void) { int rows = 25, cols = 80; @@ -362,8 +366,12 @@ void efi_setup_console_size(void) if (IS_ENABLED(CONFIG_VIDEO)) ret = query_vidconsole(&rows, &cols); - if (ret) - ret = query_console_serial(&rows, &cols); + if (ret) { + if (no_ansi) + ret = 0; + else + ret = query_console_serial(&rows, &cols); + } if (ret) return; |