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 X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 280F9C433E6 for ; Wed, 24 Feb 2021 03:12:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C277E64DFF for ; Wed, 24 Feb 2021 03:12:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232313AbhBXDMn (ORCPT ); Tue, 23 Feb 2021 22:12:43 -0500 Received: from mail.loongson.cn ([114.242.206.163]:46992 "EHLO loongson.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229952AbhBXDMl (ORCPT ); Tue, 23 Feb 2021 22:12:41 -0500 Received: from LAPTOP-O8VTVVS6.localdomain (unknown [112.20.111.70]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dxr_L3wzVgo00OAA--.18095S3; Wed, 24 Feb 2021 11:11:52 +0800 (CST) From: Yanteng Si To: Jonathan Corbet Cc: Alex Shi , Harry Wei , Yanteng Si , linux-doc@vger.kernel.org, realpuyuwang@gmail.com, Huacai Chen , Jiaxun Yang , Yanteng Si Subject: [PATCH v2 1/5] docs/zh_CN:add riscv boot-image-header.rst translation Date: Wed, 24 Feb 2021 11:11:45 +0800 Message-Id: <20210224031149.15179-2-siyanteng@loongson.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210224031149.15179-1-siyanteng@loongson.cn> References: <20210224031149.15179-1-siyanteng@loongson.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CM-TRANSID: AQAAf9Dxr_L3wzVgo00OAA--.18095S3 X-Coremail-Antispam: 1UD129KBjvJXoWxGF17CrWDZw1UGrWrCFWDXFb_yoW5tr1Upw 1DKrWxG3W7Jry7Ar1Ikr17XF43JF4rW3W7C3W8W342yr4Yqr98Kw1rtr9xK347GFyIyF9x XrsYkw13Cr1Yvw7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBv14x267AKxVW5JVWrJwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jr4l82xGYIkIc2 x26xkF7I0E14v26r1I6r4UM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0D M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1l F7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkIecxEwVAFwVW8GwCF04 k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18 MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr4 1lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l IxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4 A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUzWl9UUUUU= X-CM-SenderInfo: pvl1t0pwhqwqxorr0wxvrqhubq/ Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org This patch translates Documentation/riscv/boot-image-header.rst intoChinese. Signed-off-by: Yanteng Si --- .../zh_CN/riscv/boot-image-header.rst | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/translations/zh_CN/riscv/boot-image-header.rst diff --git a/Documentation/translations/zh_CN/riscv/boot-image-header.rst b/Documentation/translations/zh_CN/riscv/boot-image-header.rst new file mode 100644 index 000000000000..3e9a9abb5d6f --- /dev/null +++ b/Documentation/translations/zh_CN/riscv/boot-image-header.rst @@ -0,0 +1,67 @@ +.. include:: ../disclaimer-zh_CN.rst + +:Original: :doc:`../../../riscv/boot-image-header` +:Translator: Yanteng Si + +.. _cn_boot-image-header.rst: + + +========================== +RISC-V Linux启动镜像文件头 +========================== + +:Author: Atish Patra +:Date: 20 May 2019 + +此文档仅描述RISC-V Linux 启动文件头的详情。 + +TODO: + 写一个完整的启动指南。 + +在解压后的Linux内核镜像中存在以下64字节的文件头:: + + u32 code0; /* Executable code */ + u32 code1; /* Executable code */ + u64 text_offset; /* Image load offset, little endian */ + u64 image_size; /* Effective Image size, little endian */ + u64 flags; /* kernel flags, little endian */ + u32 version; /* Version of this header */ + u32 res1 = 0; /* Reserved */ + u64 res2 = 0; /* Reserved */ + u64 magic = 0x5643534952; /* Magic number, little endian, "RISCV" */ + u32 magic2 = 0x05435352; /* Magic number 2, little endian, "RSC\x05" */ + u32 res3; /* Reserved for PE COFF offset */ + +这种头格式与PE/COFF文件头兼容，并在很大程度上受到ARM64文件头的启发。因此，ARM64 +和RISC-V文件头可以在未来合并为一个共同的头。 + +注意 +==== + +- 将来也可以复用这个文件头，用来对RISC-V的EFI桩提供支持。为了使内核镜像如同一个 + EFI应用程序一样加载，EFI规范中规定在内核镜像的开始需要PE/COFF镜像文件头。为了 + 支持EFI桩，应该用“MZ”魔术字符替换掉code0，并且res3（偏移量未0x3c）应指向PE/COFF + 文件头的其余部分. + +- 表示文件头的版本号的bit位域 + + ========== ========== + Bits 0:15 次要 版本 + Bits 16:31 主要 版本 + ========== ========== + + 这保持了新旧版本之间的兼容性。 + 当前版本被定义为0.2。 + +- 从版本0.2开始，结构体成员“magic”就已经被弃用，在之后的版本中，可能会移除掉它。 + 最初，该成员应该与ARM64头的“magic”成员匹配，但遗憾的是并没有。 + “magic2”成员代替“magic”成员与ARM64头相匹配。 + +- 在当前的文件头，标志位域只剩下了一个。 + + ===== ============================== + Bit 0 内核字节序。1 if BE, 0 if LE. + ===== ============================== + +- 对于引导加载程序加载内核映像来说，image_size成员是强制性要写进文件头的，否则将引 + 导失败。 -- 2.25.1