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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B18E1C0502C for ; Sun, 28 Aug 2022 09:57:47 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4MFpsQ02DZz2xGn for ; Sun, 28 Aug 2022 19:57:46 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=c8bo5YZV; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=145.40.68.75; helo=ams.source.kernel.org; envelope-from=pali@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=c8bo5YZV; dkim-atps=neutral Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4MFprm4Xsyz2xHH for ; Sun, 28 Aug 2022 19:57:12 +1000 (AEST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 0000AB80917; Sun, 28 Aug 2022 09:57:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8C789C433D6; Sun, 28 Aug 2022 09:57:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661680628; bh=LlULD/IKynjpnLtSqXlGpYdUZVoQFXgtjS3/RSpKnMw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c8bo5YZVuhSDQnFndpW4iAzdcEMAVonsRehPOM8APZU70KhIk5ag74U515mXJa8/b S37xpSwEHmCoJt256XoXHz0K7Q0jtpmZaS4psVg4lrjVm5krHX1RrbkGzRu+hIOlHg uOOhfahroinEfwulmnCWcUksrD8gLpJ5xHITEkcDju5qcKMitrg7WYs+a+ihsrdz/u yXy90Hkfbjwb1TeONnRpuKhNTmMeLjv8DcrQ8T8nXHC6lj2cjs2JZQXC3k/180R75x 1zpYYFF8d9VDY778nPUL+7MUdjiXcfyqCRSvQ5qWArW3tGl4TTM8tzknQO1QeRfYo9 T9v+Ez9cSBUUw== Received: by pali.im (Postfix) id A47937B3; Sun, 28 Aug 2022 11:57:05 +0200 (CEST) From: =?UTF-8?q?Pali=20Roh=C3=A1r?= To: Christophe Leroy , Michael Ellerman , Joel Stanley , Benjamin Herrenschmidt , Paul Mackerras Subject: [PATCH v3] powerpc/boot: Don't always pass -mcpu=powerpc when building 32-bit uImage Date: Sun, 28 Aug 2022 11:56:59 +0200 Message-Id: <20220828095659.4061-1-pali@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220820105200.30425-1-pali@kernel.org> References: <20220820105200.30425-1-pali@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" When CONFIG_TARGET_CPU is specified then pass its value to the compiler -mcpu option. This fixes following build error when building kernel with powerpc e500 SPE capable cross compilers: BOOTAS arch/powerpc/boot/crt0.o powerpc-linux-gnuspe-gcc: error: unrecognized argument in option ‘-mcpu=powerpc’ powerpc-linux-gnuspe-gcc: note: valid arguments to ‘-mcpu=’ are: 8540 8548 native make[1]: *** [arch/powerpc/boot/Makefile:231: arch/powerpc/boot/crt0.o] Error 1 Similar change was already introduced for the main powerpc Makefile in commit 446cda1b21d9 ("powerpc/32: Don't always pass -mcpu=powerpc to the compiler"). Fixes: 40a75584e526 ("powerpc/boot: Build wrapper for an appropriate CPU") Cc: stable@vger.kernel.org # 446cda1b21d9 ("powerpc/32: Don't always pass -mcpu=powerpc to the compiler") Signed-off-by: Pali Rohár --- arch/powerpc/boot/Makefile | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index a9cd2ea4a861..1957a3de7a1c 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -38,13 +38,19 @@ BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ $(LINUXINCLUDE) ifdef CONFIG_PPC64_BOOT_WRAPPER -ifdef CONFIG_CPU_LITTLE_ENDIAN -BOOTCFLAGS += -m64 -mcpu=powerpc64le +BOOTCFLAGS += -m64 else -BOOTCFLAGS += -m64 -mcpu=powerpc64 +BOOTCFLAGS += -m32 endif + +ifdef CONFIG_TARGET_CPU_BOOL +BOOTCFLAGS += -mcpu=$(CONFIG_TARGET_CPU) +else ifdef CONFIG_PPC64_BOOT_WRAPPER +ifdef CONFIG_CPU_LITTLE_ENDIAN +BOOTCFLAGS += -mcpu=powerpc64le else -BOOTCFLAGS += -m32 -mcpu=powerpc +BOOTCFLAGS += -mcpu=powerpc64 +endif endif BOOTCFLAGS += -isystem $(shell $(BOOTCC) -print-file-name=include) -- 2.20.1