diff mbox series

[1/8] riscv: Make A ISA extension selectable

Message ID 20240819101704.1612317-2-chiawei_wang@aspeedtech.com
State Superseded
Delegated to: Andes
Headers show
Series riscv: Add AST2700 platform support | expand

Commit Message

Chia-Wei Wang Aug. 19, 2024, 10:16 a.m. UTC
Make the Atomic (A) ISA extension selectable. Thus CPUs such as
Ibex without the A extension can be supported.

Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
---
 arch/riscv/Kconfig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Comments

Leo Liang Sept. 9, 2024, 8:17 a.m. UTC | #1
On Mon, Aug 19, 2024 at 06:16:57PM +0800, Chia-Wei Wang wrote:
> Make the Atomic (A) ISA extension selectable. Thus CPUs such as
> Ibex without the A extension can be supported.
> 
> Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
> ---
>  arch/riscv/Kconfig | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff mbox series

Patch

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index fa3b016c52..c5859c5c54 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -308,7 +308,10 @@  config TPL_USE_ARCH_STRNCMP
 endmenu
 
 config RISCV_ISA_A
-	def_bool y
+	bool "Standard extension for Atomic Instructions"
+	default y
+	help
+	  Adds "A" to the ISA string passed to the compiler.
 
 config DMA_ADDR_T_64BIT
 	bool