From de94f0f3209e27ff36b264c58d5e6a8d54e07c65 Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Wed, 18 Jan 2023 22:25:00 +0100 Subject: [PATCH] efi_loader: Set default console colors on efi_cout_clear_screen if needed Ensures a consistent background color of the whole screen for succeeding outputs as both demanded by the spec and implemented in EDK2 as well. Signed-off-by: Jan Kiszka Reviewed-by: Heinrich Schuchardt --- lib/efi_loader/efi_console.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index 4d08dd3763..9316995073 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -489,6 +489,12 @@ static efi_status_t EFIAPI efi_cout_clear_screen( { EFI_ENTRY("%p", this); + /* Set default colors if not done yet */ + if (efi_con_mode.attribute == 0) { + efi_con_mode.attribute = 0x07; + printf(ESC "[0;37;40m"); + } + efi_clear_screen(); return EFI_EXIT(EFI_SUCCESS); -- 2.39.5