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-rw-r--r--lib/efi_loader/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig
index b630d88ef9e..c56904afc2e 100644
--- a/lib/efi_loader/Kconfig
+++ b/lib/efi_loader/Kconfig
@@ -124,6 +124,15 @@ config EFI_SET_TIME
Provide the SetTime() runtime service at boottime. This service
can be used by an EFI application to adjust the real time clock.
+config EFI_SCROLL_ON_CLEAR_SCREEN
+ bool "Avoid overwriting previous output on clear screen"
+ help
+ Instead of erasing the screen content when the console screen should
+ be cleared, emit blank new lines so that previous output is scrolled
+ out of sight rather than overwritten. On serial consoles this allows
+ to capture complete boot logs (except for interactive menus etc.)
+ and can ease debugging related issues.
+
config EFI_HAVE_CAPSULE_SUPPORT
bool