[PATCH 2/6] configs: reduce stack size of Sipeed MAIX

[Sean Anderson]

On 7/29/20 11:42 AM, Heinrich Schuchardt wrote:
> The K210 has only 8 MiB RAM thereof 2 MiB reserved for AI.
> 
> Allow only 1 MiB for the stack.
> 
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> ---
>  configs/sipeed_maix_bitm_defconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/configs/sipeed_maix_bitm_defconfig b/configs/sipeed_maix_bitm_defconfig
> index 96651f0268..459bf0d530 100644
> --- a/configs/sipeed_maix_bitm_defconfig
> +++ b/configs/sipeed_maix_bitm_defconfig
> @@ -1,6 +1,7 @@
>  CONFIG_RISCV=y
>  CONFIG_TARGET_SIPEED_MAIX=y
>  CONFIG_ARCH_RV64I=y
> +CONFIG_STACK_SIZE=0x100000
>  # CONFIG_NET is not set
>  # CONFIG_INPUT is not set
>  # CONFIG_DM_ETH is not set
> --
> 2.27.0
> 

Why is the stack size set so large? On Linux they use 16K stacks with
64-bit RISC-V. Does EFI need an especially large stack?

--Sean