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Re: [PATCH v1] xen/riscv: add H extenstion to -march
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 11 Mar 2025 16:48:48 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Alistair Francis <alistair.francis@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Milan Djokic <milandjokic1995@xxxxxxxxx>, Slavisa Petrovic <Slavisa.Petrovic@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 11 Mar 2025 15:48:56 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 11.03.2025 16:45, Oleksii Kurochko wrote:
> --- a/xen/arch/riscv/arch.mk
> +++ b/xen/arch/riscv/arch.mk
> @@ -9,7 +9,8 @@ riscv-abi-$(CONFIG_RISCV_64) := -mabi=lp64
> riscv-march-$(CONFIG_RISCV_64) := rv64
> riscv-march-y += ima
> riscv-march-$(CONFIG_RISCV_ISA_C) += c
> -riscv-march-y += _zicsr_zifencei_zbb
> +h-extension-name := $(call cc-ifversion,-lt,1301, hh, h)
Instead of a version check, did you consider probing the compiler? With the
hard-coded version, how are things going to work with Clang?
Jan
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