From patchwork Thu Nov 26 19:59:55 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Scott Branden X-Patchwork-Id: 57337 Delivered-To: patch@linaro.org Received: by 10.112.155.196 with SMTP id vy4csp705320lbb; Thu, 26 Nov 2015 12:00:32 -0800 (PST) X-Received: by 10.98.2.18 with SMTP id 18mr42345266pfc.5.1448568032430; Thu, 26 Nov 2015 12:00:32 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q5si43918096pfi.41.2015.11.26.12.00.32; Thu, 26 Nov 2015 12:00:32 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753454AbbKZUAa (ORCPT + 28 others); Thu, 26 Nov 2015 15:00:30 -0500 Received: from mail-gw2-out.broadcom.com ([216.31.210.63]:4066 "EHLO mail-gw2-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752110AbbKZUAL (ORCPT ); Thu, 26 Nov 2015 15:00:11 -0500 X-IronPort-AV: E=Sophos;i="5.20,347,1444719600"; d="scan'208";a="81697760" Received: from irvexchcas07.broadcom.com (HELO IRVEXCHCAS07.corp.ad.broadcom.com) ([10.9.208.55]) by mail-gw2-out.broadcom.com with ESMTP; 26 Nov 2015 12:34:09 -0800 Received: from IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) by IRVEXCHCAS07.corp.ad.broadcom.com (10.9.208.55) with Microsoft SMTP Server (TLS) id 14.3.235.1; Thu, 26 Nov 2015 12:00:11 -0800 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) with Microsoft SMTP Server id 14.3.235.1; Thu, 26 Nov 2015 12:00:11 -0800 Received: from mail.broadcom.com (unknown [10.136.13.65]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 42F9640FEF; Thu, 26 Nov 2015 11:56:49 -0800 (PST) From: Scott Branden To: "Yann E. MORIN" CC: , , , Scott Branden Subject: [PATCH 1/1] kconfig: add CPU endian selection beconfig and leconfig Date: Thu, 26 Nov 2015 11:59:55 -0800 Message-ID: <1448567995-8784-2-git-send-email-sbranden@broadcom.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1448567995-8784-1-git-send-email-sbranden@broadcom.com> References: <1448567995-8784-1-git-send-email-sbranden@broadcom.com> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for switching defconfig between big and little endian CPU. Various CPU types have ability to select big and little endian CPU in the kernel configuration. "make beconfig" will set CONFIG_CPU_BIG_ENDIAN "make leconfig" will unset CONFIG_CPU_BIG_ENDIAN Signed-off-by: Scott Branden --- kernel/configs/be.config | 1 + kernel/configs/le.config | 1 + scripts/kconfig/Makefile | 10 ++++++++++ 3 files changed, 12 insertions(+) create mode 100644 kernel/configs/be.config create mode 100644 kernel/configs/le.config -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ diff --git a/kernel/configs/be.config b/kernel/configs/be.config new file mode 100644 index 0000000..c5cdc99 --- /dev/null +++ b/kernel/configs/be.config @@ -0,0 +1 @@ +CONFIG_CPU_BIG_ENDIAN=y diff --git a/kernel/configs/le.config b/kernel/configs/le.config new file mode 100644 index 0000000..be479cf --- /dev/null +++ b/kernel/configs/le.config @@ -0,0 +1 @@ +# CONFIG_CPU_BIG_ENDIAN is not set diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index d79cba4..2e8007e 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -126,6 +126,14 @@ PHONY += tinyconfig tinyconfig: $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config +PHONY += beconfig +beconfig: be.config + @: + +PHONY += leconfig +leconfig: le.config + @: + # Help text used by make help help: @echo ' config - Update current config utilising a line-oriented program' @@ -151,6 +159,8 @@ help: @echo ' kvmconfig - Enable additional options for kvm guest kernel support' @echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support' @echo ' tinyconfig - Configure the tiniest possible kernel' + @echo ' beconfig - Update current config to use big endian CPU' + @echo ' leconfig - Update current config to use little endian CPU' # lxdialog stuff check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh