From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39CE8C46460 for ; Thu, 9 Aug 2018 06:27:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EF87C21B31 for ; Thu, 9 Aug 2018 06:27:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EF87C21B31 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=andestech.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728274AbeHIIuc (ORCPT ); Thu, 9 Aug 2018 04:50:32 -0400 Received: from exmail.andestech.com ([59.124.169.137]:59458 "EHLO ATCSQR.andestech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728175AbeHIIuc (ORCPT ); Thu, 9 Aug 2018 04:50:32 -0400 Received: from mail.andestech.com (atcpcs16.andestech.com [10.0.1.222]) by ATCSQR.andestech.com with ESMTP id w796QAo2087879; Thu, 9 Aug 2018 14:26:10 +0800 (GMT-8) (envelope-from alankao@andestech.com) Received: from atcsqa06.andestech.com (10.0.1.85) by ATCPCS16.andestech.com (10.0.1.222) with Microsoft SMTP Server id 14.3.123.3; Thu, 9 Aug 2018 14:27:04 +0800 From: Alan Kao To: , , "Palmer Dabbelt" , Albert Ou , Christoph Hellwig , Andrew Waterman , Arnd Bergmann , Darius Rad CC: , , , , Alan Kao Subject: [PATCH v5 3/5] Cleanup ISA string setting Date: Thu, 9 Aug 2018 14:26:41 +0800 Message-ID: <1533796003-680-4-git-send-email-alankao@andestech.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1533796003-680-1-git-send-email-alankao@andestech.com> References: <1533796003-680-1-git-send-email-alankao@andestech.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.0.1.85] X-DNSRBL: X-MAIL: ATCSQR.andestech.com w796QAo2087879 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Just a side note: (Assume that atomic and compressed is on) Before this patch, assembler was always given the riscv64imafdc MARCH string because there are fld/fsd's in entry.S; compiler was always given riscv64imac because kernel doesn't need floating point code generation. After this, the MARCH string in AFLAGS and CFLAGS become the same. Signed-off-by: Alan Kao Cc: Greentime Hu Cc: Vincent Chen Cc: Zong Li Cc: Nick Hu Reviewed-by: Christoph Hellwig --- arch/riscv/Makefile | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 6d4a5f6c3f4f..e0fe6790624f 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -26,7 +26,6 @@ ifeq ($(CONFIG_ARCH_RV64I),y) KBUILD_CFLAGS += -mabi=lp64 KBUILD_AFLAGS += -mabi=lp64 - KBUILD_MARCH = rv64im LDFLAGS += -melf64lriscv else BITS := 32 @@ -34,22 +33,20 @@ else KBUILD_CFLAGS += -mabi=ilp32 KBUILD_AFLAGS += -mabi=ilp32 - KBUILD_MARCH = rv32im LDFLAGS += -melf32lriscv endif KBUILD_CFLAGS += -Wall -ifeq ($(CONFIG_RISCV_ISA_A),y) - KBUILD_ARCH_A = a -endif -ifeq ($(CONFIG_RISCV_ISA_C),y) - KBUILD_ARCH_C = c -endif - -KBUILD_AFLAGS += -march=$(KBUILD_MARCH)$(KBUILD_ARCH_A)fd$(KBUILD_ARCH_C) +# ISA string setting +riscv-march-$(CONFIG_ARCH_RV32I) := rv32im +riscv-march-$(CONFIG_ARCH_RV64I) := rv64im +riscv-march-$(CONFIG_RISCV_ISA_A) := $(riscv-march-y)a +riscv-march-y := $(riscv-march-y)fd +riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c +KBUILD_CFLAGS += -march=$(riscv-march-y) +KBUILD_AFLAGS += -march=$(riscv-march-y) -KBUILD_CFLAGS += -march=$(KBUILD_MARCH)$(KBUILD_ARCH_A)$(KBUILD_ARCH_C) KBUILD_CFLAGS += -mno-save-restore KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG_PAGE_OFFSET) -- 2.18.0