From f32723663b464ab82285b22af57bf58bd32f759f Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Sat, 15 Oct 2022 11:13:59 +0200 Subject: [PATCH] efi_loader: avoid EFI_CALL() for clearing screen Carve out function efi_clear_screen. Signed-off-by: Heinrich Schuchardt --- lib/efi_loader/efi_console.c | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-) diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index 3354b217a9..6d4784e140 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -460,6 +460,20 @@ static efi_status_t EFIAPI efi_cout_set_attribute( return EFI_EXIT(EFI_SUCCESS); } +/** + * efi_cout_clear_screen() - clear screen + */ +static void efi_clear_screen(void) +{ + /* + * The Linux console wants both a clear and a home command. The video + * uclass does not support [H without coordinates, yet. + */ + printf(ESC "[2J" ESC "[1;1H"); + efi_con_mode.cursor_column = 0; + efi_con_mode.cursor_row = 0; +} + /** * efi_cout_clear_screen() - clear screen * @@ -475,13 +489,7 @@ static efi_status_t EFIAPI efi_cout_clear_screen( { EFI_ENTRY("%p", this); - /* - * The Linux console wants both a clear and a home command. The video - * uclass does not support [H without coordinates, yet. - */ - printf(ESC "[2J" ESC "[1;1H"); - efi_con_mode.cursor_column = 0; - efi_con_mode.cursor_row = 0; + efi_clear_screen(); return EFI_EXIT(EFI_SUCCESS); } @@ -510,7 +518,7 @@ static efi_status_t EFIAPI efi_cout_set_mode( return EFI_EXIT(EFI_UNSUPPORTED); efi_con_mode.mode = mode_number; - EFI_CALL(efi_cout_clear_screen(this)); + efi_clear_screen(); return EFI_EXIT(EFI_SUCCESS); } @@ -536,7 +544,7 @@ static efi_status_t EFIAPI efi_cout_reset( efi_con_mode.attribute = 0x07; printf(ESC "[0;37;40m"); /* Clear screen */ - EFI_CALL(efi_cout_clear_screen(this)); + efi_clear_screen(); return EFI_EXIT(EFI_SUCCESS); } -- 2.39.5