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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id q34sm15167431pja.22.2020.05.26.00.02.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 May 2020 00:02:53 -0700 (PDT) From: Greentime Hu To: greentime.hu@sifive.com, guoren@linux.alibaba.com, vincent.chen@sifive.com, paul.walmsley@sifive.com, palmerdabbelt@google.com, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, oleg@redhat.com Subject: [RFC PATCH v4 02/13] riscv: Separate patch for cflags and aflags Date: Tue, 26 May 2020 15:02:31 +0800 Message-Id: <0c949212bff708dcbd530bfd7c13a04a2ca2bbd8.1590474856.git.greentime.hu@sifive.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guo Ren From: Guo Ren Use "subst fd" in Makefile is a hack way and it's not convenient to add new ISA feature. Just separate them into riscv-march-cflags and riscv-march-aflags. Signed-off-by: Guo Ren --- arch/riscv/Makefile | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index fb6e37db836d..957d064bead0 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -37,12 +37,18 @@ else endif # ISA string setting -riscv-march-$(CONFIG_ARCH_RV32I) := rv32ima -riscv-march-$(CONFIG_ARCH_RV64I) := rv64ima -riscv-march-$(CONFIG_FPU) := $(riscv-march-y)fd -riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c -KBUILD_CFLAGS += -march=$(subst fd,,$(riscv-march-y)) -KBUILD_AFLAGS += -march=$(riscv-march-y) +riscv-march-cflags-$(CONFIG_ARCH_RV32I) := rv32ima +riscv-march-cflags-$(CONFIG_ARCH_RV64I) := rv64ima +riscv-march-$(CONFIG_FPU) := $(riscv-march-y)fd +riscv-march-cflags-$(CONFIG_RISCV_ISA_C) := $(riscv-march-cflags-y)c + +riscv-march-aflags-$(CONFIG_ARCH_RV32I) := rv32ima +riscv-march-aflags-$(CONFIG_ARCH_RV64I) := rv64ima +riscv-march-aflags-$(CONFIG_FPU) := $(riscv-march-aflags-y)fd +riscv-march-aflags-$(CONFIG_RISCV_ISA_C) := $(riscv-march-aflags-y)c + +KBUILD_CFLAGS += -march=$(riscv-march-cflags-y) +KBUILD_AFLAGS += -march=$(riscv-march-aflags-y) KBUILD_CFLAGS += -mno-save-restore KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG_PAGE_OFFSET) -- 2.26.2