From patchwork Wed Dec 22 18:16:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Przywara X-Patchwork-Id: 12697196 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 117F2C433F5 for ; Wed, 22 Dec 2021 18:17:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VWcqIoWOLSrqNS+hAfjnSOZPEQqd3xJJimnrNT0uBaw=; b=XhoTbL+8tOUky+ EPZy6VfnAW/mY96McC0rRTM7xlW4U/ZJXZc8tF8H84cQR3QjomKdtrMgovCHmMgZuBXREJQ8/iQcx 7xkbGIiwgvoYmjJePqraDUoP3ze929727Ur7KKKNtYz1Af6Wz6WjqTlYyFCkqaN4KUrkHTFuhFiE8 0Bsgl/OQWUXPS6WTIbcrSCa9OvnKK3EpZItpzKobp08jVDok9S0Ahai/9uE10QNm8Ec1p5wr0tGeJ gCmDZJanHoR2p0ByFHkdK6hc6qqF6a+r/UJ3OfZ7ARTdi7IGG9gDTuneBS0sZV4Jmy7833V5F72Da LE2IwYBpgvK89Jqjt6+A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n06AR-00B3iR-6E; Wed, 22 Dec 2021 18:16:47 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n069z-00B3Z9-3C for linux-arm-kernel@lists.infradead.org; Wed, 22 Dec 2021 18:16:20 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 21F80113E; Wed, 22 Dec 2021 10:16:18 -0800 (PST) Received: from donnerap.arm.com (donnerap.cambridge.arm.com [10.1.196.172]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 728043F5A1; Wed, 22 Dec 2021 10:16:17 -0800 (PST) From: Andre Przywara To: Mark Rutland Cc: linux-arm-kernel@lists.infradead.org, Jaxson Han Subject: [boot-wrapper PATCH v2 2/9] Add standard headers Date: Wed, 22 Dec 2021 18:16:00 +0000 Message-Id: <20211222181607.1203191-3-andre.przywara@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211222181607.1203191-1-andre.przywara@arm.com> References: <20211222181607.1203191-1-andre.przywara@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211222_101619_201178_AB509A9E X-CRM114-Status: GOOD ( 14.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org So far we were relying on some standard C headers to be provided by the toolchain. This applies for instance to stddef.h and stdint.h. As a "bare-metal" application, we should not rely on external headers, or even on a toolchain providing them in the first place. Define our own version of stddef.h and stdint.h, containing just the types that we actually need. Signed-off-by: Andre Przywara --- arch/aarch32/include/stdint.h | 19 +++++++++++++++++++ arch/aarch64/include/stdint.h | 19 +++++++++++++++++++ include/stddef.h | 15 +++++++++++++++ 3 files changed, 53 insertions(+) create mode 100644 arch/aarch32/include/stdint.h create mode 100644 arch/aarch64/include/stdint.h create mode 100644 include/stddef.h diff --git a/arch/aarch32/include/stdint.h b/arch/aarch32/include/stdint.h new file mode 100644 index 0000000..77546f0 --- /dev/null +++ b/arch/aarch32/include/stdint.h @@ -0,0 +1,19 @@ +/* + * arch/aarch32/include/stdint.h + * + * Copyright (C) 2021 ARM Limited. All rights reserved. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE.txt file. + */ +#ifndef STDINT_H__ +#define STDINT_H__ + +typedef unsigned char uint8_t; +typedef unsigned short int uint16_t; +typedef unsigned int uint32_t; +typedef unsigned long long int uint64_t; + +typedef unsigned int uintptr_t; + +#endif diff --git a/arch/aarch64/include/stdint.h b/arch/aarch64/include/stdint.h new file mode 100644 index 0000000..92c2603 --- /dev/null +++ b/arch/aarch64/include/stdint.h @@ -0,0 +1,19 @@ +/* + * arch/aarch64/include/stdint.h + * + * Copyright (C) 2021 ARM Limited. All rights reserved. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE.txt file. + */ +#ifndef STDINT_H__ +#define STDINT_H__ + +typedef unsigned char uint8_t; +typedef unsigned short int uint16_t; +typedef unsigned int uint32_t; +typedef unsigned long int uint64_t; + +typedef unsigned long int uintptr_t; + +#endif diff --git a/include/stddef.h b/include/stddef.h new file mode 100644 index 0000000..3208b10 --- /dev/null +++ b/include/stddef.h @@ -0,0 +1,15 @@ +/* + * include/stddef.h - standard data type definitions + * + * Copyright (C) 2021 ARM Limited. All rights reserved. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE.txt file. + */ +#ifndef STDDEF_H__ +#define STDDEF_H__ + +typedef unsigned long int size_t; +typedef signed long int ssize_t; + +#endif