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Kconfig: Add SPL_SYS_MALLOC_CLEAR_ON_INIT

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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>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Shengyu Qu 2023-08-25 00:25:18 +08:00 committed by Leo Yu-Chi Liang
parent f943417737
commit dd1eb1af26
1 changed files with 11 additions and 0 deletions
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Kconfig
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@ -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