Add SPL version of SYS_MALLOC_CLEAR_ON_INIT, this would help devices that need to clear ram before use to work correctly.

Signed-off-by: Bo Gan ganboing@gmail.com Signed-off-by: Shengyu Qu wiagn233@outlook.com --- Changes since v5: - Fix whitespace --- Kconfig | 11 +++++++++++ 1 file changed, 11 insertions(+)

diff --git a/Kconfig b/Kconfig index 91170bf8d2..6ba605a564 100644 --- a/Kconfig +++ b/Kconfig @@ -372,6 +372,17 @@ if EXPERT When disabling this, please check if malloc calls, maybe should be replaced by calloc - if one expects zeroed memory.

+config SPL_SYS_MALLOC_CLEAR_ON_INIT + bool "Init with zeros the memory reserved for malloc (slow) in SPL" + depends on SPL + default SYS_MALLOC_CLEAR_ON_INIT + help + Same as SYS_MALLOC_CLEAR_ON_INIT, but for SPL. It's possible to + Enable it without SYS_MALLOC_CLEAR_ON_INIT. It's useful for boards + that must have particular memory regions zero'ed before first use. + If SYS_SPL_MALLOC_START is configured to be in such region, this + option should be enabled. + config SYS_MALLOC_DEFAULT_TO_INIT bool "Default malloc to init while reserving the memory for it" help