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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,T_DKIMWL_WL_HIGH,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 2CFACC04AB6 for ; Fri, 31 May 2019 06:40:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ED71526474 for ; Fri, 31 May 2019 06:40:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559284808; bh=JHjtn1lSlkLMZuZE5Xd4sPcS+uZTDyhQjshDSw+9E9g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=eGcKcMAhZATh7yY5J4bWfjWxBH7Lk8QsL9k7rYdwJcwT+jK7oIve10aCJ/bnb7fow OD7ViVWipCds7HhW2z4NfejXVAZ9fJ5fLA40qu+oKEJHCWdoUOsrlsUsHXOLP/gwYk cCue2pjwExZNSrfvL1eVqE/pktatuycEksmIWjmM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726867AbfEaGkH (ORCPT ); Fri, 31 May 2019 02:40:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:47954 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726825AbfEaGkH (ORCPT ); Fri, 31 May 2019 02:40:07 -0400 Received: from localhost.localdomain (unknown [223.93.147.148]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A1D2A2647B; Fri, 31 May 2019 06:40:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559284807; bh=JHjtn1lSlkLMZuZE5Xd4sPcS+uZTDyhQjshDSw+9E9g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UrR8ty+PQ5bkO1RN++srwys8YBzy1s/xMstsUdG50lov/kX5+H16CIrsMppLUs9rB PtzvI+BUSQ86d6j36EcLj0M84OqRfLa+etVibZQOOilckvO8oBdvsi71jS9Z5J8Fkx /1lJH1RW8wPtr42lnREmnVkyBNle8Im3gnMF6Qm4= From: guoren@kernel.org To: Thomas Petazzoni , Thomas De Schampheleire , arnout@mind.be Cc: linux-csky@vger.kernel.org, buildroot@buildroot.org, Guo Ren Subject: [PATCH V4 04/11] arch/csky: Add FLOAT_ABI compiler options Date: Fri, 31 May 2019 14:39:01 +0800 Message-Id: <1559284748-32011-5-git-send-email-guoren@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1559284748-32011-1-git-send-email-guoren@kernel.org> References: <1559284748-32011-1-git-send-email-guoren@kernel.org> Sender: linux-csky-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-csky@vger.kernel.org From: Guo Ren C-SKY CPU is seperated into two ABIs: - abiv1: mcore based ISA with ELF_NUM:39 and do not support FPU & VDSP. (CPU: 610) - abiv2: C-SKY own ISA with ELF_NUM:252 and support FPU & VDSP. (CPU: 807, 810, 860) BR2_GCC_TARGET_FLOAT_ABI will have a value for abiv1. Except the value will always be "soft" because there's no FPU support in ck610, which is the only core using abiv1. Signed-off-by: Guo Ren Cc: Thomas Petazzoni --- arch/Config.in.csky | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/Config.in.csky b/arch/Config.in.csky index af9bbd5..a967d2f 100644 --- a/arch/Config.in.csky +++ b/arch/Config.in.csky @@ -30,6 +30,10 @@ config BR2_CSKY_VDSP bool "Enable VDSP enhanced instructions Co-processor" depends on BR2_CSKY_FPU +config BR2_GCC_TARGET_FLOAT_ABI + default "soft" if !BR2_CSKY_FPU + default "hard" if BR2_CSKY_FPU + config BR2_ARCH default "csky" -- 2.7.4