From patchwork Tue Mar 16 12:25:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marek_Beh=C3=BAn?= X-Patchwork-Id: 1453878 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=nic.cz header.i=@nic.cz header.a=rsa-sha256 header.s=default header.b=ukxt67zp; dkim-atps=neutral Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4F0CL73224z9sRR for ; Tue, 16 Mar 2021 23:30:23 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 84C858289C; Tue, 16 Mar 2021 13:27:53 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=nic.cz Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; secure) header.d=nic.cz header.i=@nic.cz header.b="ukxt67zp"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 1304382861; Tue, 16 Mar 2021 13:27:04 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,SPF_HELO_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from mail.nic.cz (lists.nic.cz [IPv6:2001:1488:800:400::400]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 2F5CB825BF for ; Tue, 16 Mar 2021 13:26:48 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=nic.cz Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=marek.behun@nic.cz Received: from dellmb.labs.office.nic.cz (unknown [IPv6:2001:1488:fffe:6:cac7:3539:7f1f:463]) by mail.nic.cz (Postfix) with ESMTPSA id C6BEB140B23; Tue, 16 Mar 2021 13:26:47 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nic.cz; s=default; t=1615897607; bh=w2QRG3hK7WhRts8ehR+Y6xYbGzSWb3X76NfcBSz9OVg=; h=From:To:Date; b=ukxt67zpiDZB7BzsDxWZ0IlbnddMLzpyhRD04yWF5ibcQzI87Gg8GbeDw7JRv8DYU Z1jeaNNkiN8bjw+D4HFR/kgAQ3KPE1zUfMA6laO8fqikfDivQGG9kxlRxugOuFX+j3 4tVQ+pGqxrKTQPzcmfrmZ66VHLwtiT6woLKukn/4= From: =?utf-8?q?Marek_Beh=C3=BAn?= To: u-boot@lists.denx.de, Simon Glass , Heiko Schocher , Patrick Delaunay , Patrice CHOTARD , Miquel Raynal , Tom Rini , =?utf-8?q?Pali_Roh=C3=A1r?= , Stefan Roese , Heinrich Schuchardt , Alexander Graf , Marek Vasut , Neil Armstrong , Ryder Lee , Adam Ford , Bin Meng , Harald Seiler , Tim Harvey Cc: =?utf-8?q?Marek_Beh=C3=BAn?= Subject: [PATCH u-boot v3 12/39] efi_loader: add macro for const EFI runtime data Date: Tue, 16 Mar 2021 13:25:42 +0100 Message-Id: <20210316122609.6523-13-marek.behun@nic.cz> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210316122609.6523-1-marek.behun@nic.cz> References: <20210316122609.6523-1-marek.behun@nic.cz> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.4 at phobos.denx.de X-Virus-Status: Clean Add macro __efi_runtime_rodata, for const variables with similar purpose as those using __efi_runtime_data. Signed-off-by: Marek Behún Reviewed-by: Heinrich Schuchardt --- include/efi_loader.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/include/efi_loader.h b/include/efi_loader.h index 696f80e9f3..d673ba12e3 100644 --- a/include/efi_loader.h +++ b/include/efi_loader.h @@ -682,6 +682,22 @@ ssize_t efi_dp_check_length(const struct efi_device_path *dp, */ #define __efi_runtime_data __section(".data.efi_runtime") +/** + * __efi_runtime_rodata - declares a read-only variable for EFI runtime section + * + * This macro indicates that a variable is read-only (const) and should go into + * the EFI runtime section, and thus still be available when the OS is running. + * + * Only use on variables also declared const. + * + * Example: + * + * :: + * + * static const __efi_runtime_rodata my_const_table[] = { 1, 2, 3 }; + */ +#define __efi_runtime_rodata __section(".rodata.efi_runtime") + /** * __efi_runtime - declares a function for EFI runtime section * @@ -893,6 +909,7 @@ efi_status_t efi_launch_capsules(void); /* Without CONFIG_EFI_LOADER we don't have a runtime section, stub it out */ #define __efi_runtime_data +#define __efi_runtime_rodata #define __efi_runtime static inline efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len) {