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| author | Jan Kiszka <jan.kiszka@siemens.com> | 2023-01-18 22:25:00 +0100 |
|---|---|---|
| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2023-01-20 16:38:52 +0100 |
| commit | de94f0f3209e27ff36b264c58d5e6a8d54e07c65 (patch) | |
| tree | 806071fcd26f1a91f24fcb110a1a9df38a905415 | |
| parent | 5ef229a007b19caa03228531ef32ac4cd5f25239 (diff) | |
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 <jan.kiszka@siemens.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
| -rw-r--r-- | lib/efi_loader/efi_console.c | 6 |
1 files changed, 6 insertions, 0 deletions
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); |