Add a Kconfig item to allow SPL to clear stack/GD/malloc area before using them.

Signed-off-by: Bo Gan ganboing@gmail.com Signed-off-by: Shengyu Qu wiagn233@outlook.com --- arch/riscv/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 867cbcbe74..6771d8d919 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -64,6 +64,14 @@ config SPL_SYS_DCACHE_OFF help Do not enable data cache in SPL.

+config SPL_ZERO_MEM_BEFORE_USE + bool "Zero memory before use" + depends on SPL + default n + help + Zero stack/GD/malloc area in SPL before using them, this is needed for + Sifive core devices that uses L2 cache to store SPL. + # board-specific options below source "board/AndesTech/ae350/Kconfig" source "board/emulation/qemu-riscv/Kconfig"