Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752446AbdGFQgM (ORCPT ); Thu, 6 Jul 2017 12:36:12 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:25568 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751796AbdGFQgJ (ORCPT ); Thu, 6 Jul 2017 12:36:09 -0400 From: Babu Moger To: gregkh@linuxfoundation.org, ysato@users.sourceforge.jp, geert@linux-m68k.org, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, jejb@parisc-linux.org, deller@gmx.de, davem@davemloft.net, viro@zeniv.linux.org.uk, monstr@monstr.eu Cc: mpe@ellerman.id.au, peterz@infradead.org, mingo@redhat.com, jcmvbkbc@gmail.com, linux-kernel@vger.kernel.org, uclinux-h8-devel@lists.sourceforge.jp, linux-m68k@vger.kernel.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org Subject: [PATCH v3 2/3] arch/microblaze: Add choice for endianness and update Makefile Date: Thu, 6 Jul 2017 09:34:20 -0700 Message-Id: <1499358861-179979-3-git-send-email-babu.moger@oracle.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1499358861-179979-1-git-send-email-babu.moger@oracle.com> References: <1499358861-179979-1-git-send-email-babu.moger@oracle.com> X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1675 Lines: 56 microblaze architectures can be configured for either little or big endian formats. Add a choice option for the user to select the correct endian format(default to big endian). Also update the Makefile so toolchain can compile for the format it is configured for. Signed-off-by: Babu Moger Signed-off-by: Arnd Bergmann --- arch/microblaze/Kconfig | 16 ++++++++++++++++ arch/microblaze/Makefile | 2 ++ 2 files changed, 18 insertions(+), 0 deletions(-) diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 85885a5..74aa5de 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -35,6 +35,22 @@ config MICROBLAZE select VIRT_TO_BUS select CPU_NO_EFFICIENT_FFS +# Endianness selection +choice + prompt "Endianness selection" + default CPU_BIG_ENDIAN + help + microblaze architectures can be configured for either little or + big endian formats. Be sure to select the appropriate mode. + +config CPU_BIG_ENDIAN + bool "Big endian" + +config CPU_LITTLE_ENDIAN + bool "Little endian" + +endchoice + config SWAP def_bool n diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile index 740f2b8..1f6c486 100644 --- a/arch/microblaze/Makefile +++ b/arch/microblaze/Makefile @@ -35,6 +35,8 @@ endif CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare +CPUFLAGS-$(CONFIG_BIG_ENDIAN) += -mbig-endian +CPUFLAGS-$(CONFIG_LITTLE_ENDIAN) += -mlittle-endian CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER)) -- 1.7.1