Re: [PATCH 4/7] riscv: Add SMP Kconfig option dependency for U-Boot proper

On 4/8/20 9:41 AM, Bin Meng wrote:

U-Boot proper running in S-mode only need SMP support when using SBI v0.1. With SBI v0.2 HSM extension, it does not need implement multicore boot in U-Boot proper.

Signed-off-by: Bin Meng bmeng.cn@gmail.com

arch/riscv/Kconfig | 1 + 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 10478ae..502143f 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -193,6 +193,7 @@ config SYS_MALLOC_F_LEN

config SMP bool "Symmetric Multi-Processing"

• depends on SBI_V01

So should this be

"depends on SBI_V01 or RISCV_PRIV_1_9"

when the priv spec 1.9 patch gets merged?

help This enables support for systems with more than one CPU. If you say N here, U-Boot will run on single and multiprocessor

--Sean