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[123.225.39.221]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-11f283d4733sm10364600c88.17.2025.12.10.08.13.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Dec 2025 08:13:56 -0800 (PST) From: Charlie Jenkins X-Google-Original-From: Charlie Jenkins Date: Wed, 10 Dec 2025 08:13:40 -0800 Subject: [PATCH RFC 03/10] riscv: kconfig: Simply arch selection Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251210-profiles-v1-3-315a6ff2ca5a@gmail.com> References: <20251210-profiles-v1-0-315a6ff2ca5a@gmail.com> In-Reply-To: <20251210-profiles-v1-0-315a6ff2ca5a@gmail.com> To: Paul Walmsley , Palmer Dabbelt , Alexandre Ghiti , Anup Patel , Atish Patra , Samuel Holland , =?utf-8?q?Bj=C3=B6rn_T=C3=B6pel?= , Luke Nelson , Xi Wang , Eric Biggers , Conor Dooley Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Charlie Jenkins X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1765383226; l=1325; i=thecharlesjenkins@gmail.com; s=20240124; h=from:subject:message-id; bh=zzLBT9CTg0Wd6TsXf4wm0xzdyCWnbtQr2Yp154TelHI=; b=mT+yscPZblLBKxRJNA6HXDldsUZrXZ0JWLfUCnFeszlF9zTiyst2vR0PuOKcwCf+sYRUsaOH2 1jU1OMRHGclA/9WQrx/nX/2sNQ06hJp7NTA843sGUBXNdk2bS0UjZWw X-Developer-Key: i=thecharlesjenkins@gmail.com; a=ed25519; pk=eVndo3OHViAjwuqHqbJB4ZtzJzzvk/r6fUf84tZ3rw4= Separate out the base arch into kconfig so it's reusable as a string variable. Signed-off-by: Charlie Jenkins --- arch/riscv/Kconfig | 5 +++++ arch/riscv/Makefile | 3 +-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 22a6fed0b216..ecf22223962a 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -418,6 +418,11 @@ config ARCH_RV64I =20 endchoice =20 +config ARCH + string + default "rv32ima" if ARCH_RV32I + default "rv64ima" if ARCH_RV64I + # We must be able to map all physical memory into the kernel, but the comp= iler # is still a bit more efficient when generating code if it's setup in a ma= nner # such that it can only map 2GiB of memory. diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 4c6de57f65ef..ef1a7b1bffe8 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -58,8 +58,7 @@ ifeq ($(CONFIG_SHADOW_CALL_STACK),y) endif =20 # ISA string setting -riscv-march-$(CONFIG_ARCH_RV32I) :=3D rv32ima -riscv-march-$(CONFIG_ARCH_RV64I) :=3D rv64ima +riscv-march-y :=3D $(CONFIG_ARCH) riscv-march-$(CONFIG_FPU) :=3D $(riscv-march-y)fd riscv-march-$(CONFIG_RISCV_ISA_C) :=3D $(riscv-march-y)c riscv-march-$(CONFIG_RISCV_ISA_V) :=3D $(riscv-march-y)v --=20 2.43.0