riscv: Kconfig: Add SPL_ZERO_MEM_BEFORE_USE

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>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
This commit is contained in:
Shengyu Qu 2023-08-09 21:11:31 +08:00 committed by Leo Yu-Chi Liang
parent 7d79bed00c
commit d365f6646a

View file

@ -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"