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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1">
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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/advanced/fs_image.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">烧录镜像格式和工具</h1>
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<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 2 minute(s)
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</div>
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<div class="- topic/body concept/conbody body conbody">
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<section class="- topic/section section" id="burn-image-and-tool__id6" data-ofbid="burn-image-and-tool__id6"><h2 class="- topic/title title sectiontitle">镜像格式</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d114866e38__20250123155210">ArtInChip 的烧录镜像文件由组件 (FirmWare Component, FWC) 以及对应的组件元信息组成。 数据分布如下图所示：</p>
|
||
<figure class="- topic/fig fig fignone" id="burn-image-and-tool__id28" data-ofbid="burn-image-and-tool__id28">
|
||
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="burn-image-and-tool__image_zgc_sdr_3dc" src="../../../images/boot/boot_image_format.png" alt="image_format"/></div><br/>
|
||
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">烧录镜像格式</span></figcaption></figure>
|
||
<p class="- topic/p p" data-ofbid="d114866e53__20250123155210">其中一些需要打包的数据文件，都被当做组件 (FWC) 进行处理，包括 <span class="+ topic/keyword pr-d/parmname keyword parmname">SPL</span> ， <span class="+ topic/keyword pr-d/parmname keyword parmname">os</span> ，
|
||
<span class="+ topic/keyword pr-d/parmname keyword parmname">rodata</span> ， <span class="+ topic/keyword pr-d/parmname keyword parmname">data</span> 等数据。</p>
|
||
<ul class="- topic/ul ul" id="burn-image-and-tool__ul_e3l_xdn_hdc" data-ofbid="burn-image-and-tool__ul_e3l_xdn_hdc">
|
||
<li class="- topic/li li" data-ofbid="d114866e70__20250123155210">
|
||
<div class="- topic/p p" data-ofbid="d114866e72__20250123155210">Image Header
|
||
的具体格式如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="burn-image-and-tool__codeblock_rpn_xdn_hdc" data-ofbid="burn-image-and-tool__codeblock_rpn_xdn_hdc"><code><strong class="hl-keyword">struct</strong> artinchip_fw_hdr{
|
||
<strong class="hl-keyword">char</strong> magic[<span class="hl-number">8</span>]; <em class="hl-comment">// 固定为 "AIC.FW"</em>
|
||
<strong class="hl-keyword">char</strong> platform[<span class="hl-number">64</span>]; <em class="hl-comment">// 该镜像文件适用的芯片平台</em>
|
||
<strong class="hl-keyword">char</strong> product[<span class="hl-number">64</span>]; <em class="hl-comment">// 该镜像文件适用的产品型号</em>
|
||
<strong class="hl-keyword">char</strong> version[<span class="hl-number">64</span>]; <em class="hl-comment">// 该镜像的版本</em>
|
||
<strong class="hl-keyword">char</strong> media_type[<span class="hl-number">64</span>]; <em class="hl-comment">// 该镜像文件可烧录的存储介质</em>
|
||
u32 media_dev_id; <em class="hl-comment">// 该镜像文件可烧录的存储介质 ID</em>
|
||
u8 nand_array_org[<span class="hl-number">64</span>]; <em class="hl-comment">/* NAND Array Organization */</em>
|
||
u32 meta_offset; <em class="hl-comment">/* Meta Area start offset */</em>
|
||
u32 meta_size; <em class="hl-comment">/* Meta Area size */</em>
|
||
u32 file_offset; <em class="hl-comment">/* File data Area start offset */</em>
|
||
u32 file_size; <em class="hl-comment">/* File data Area size */</em>
|
||
};</code></pre></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d114866e78__20250123155210">
|
||
<div class="- topic/p p" data-ofbid="d114866e80__20250123155210">FWC Meta
|
||
的格式如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="burn-image-and-tool__codeblock_z1r_xdn_hdc" data-ofbid="burn-image-and-tool__codeblock_z1r_xdn_hdc"><code><strong class="hl-keyword">struct</strong> artinchip_fwc_meta {
|
||
<strong class="hl-keyword">char</strong> magic[<span class="hl-number">8</span>]; <em class="hl-comment">// 固定为 "META"</em>
|
||
<strong class="hl-keyword">char</strong> name[<span class="hl-number">64</span>]; <em class="hl-comment">// 对应组件的名字</em>
|
||
<strong class="hl-keyword">char</strong> partition[<span class="hl-number">64</span>]; <em class="hl-comment">// 该组件要烧录的分区名字</em>
|
||
u32 offset; <em class="hl-comment">// 该组件数据在镜像文件中的偏移</em>
|
||
u32 size; <em class="hl-comment">// 该组件数据的大小</em>
|
||
u32 crc32; <em class="hl-comment">// 该组件数据的 CRC32 校验值</em>
|
||
u32 ram; <em class="hl-comment">// 当组件要下载到平台 RAM 时，要下载的地址</em>
|
||
<strong class="hl-keyword">char</strong> attr[<span class="hl-number">64</span>] <em class="hl-comment">// 该组件的属性，字符串表示</em>
|
||
};</code></pre></div>
|
||
</li>
|
||
</ul>
|
||
</section>
|
||
<section class="- topic/section section" id="burn-image-and-tool__id7" data-ofbid="burn-image-and-tool__id7"><h2 class="- topic/title title sectiontitle">制作工具</h2>
|
||
|
||
|
||
<div class="- topic/p p" data-ofbid="d114866e93__20250123155210">U-Boot 以及相关固件组件处理相关的工具如下表所列。<div class="table-container"><table class="- topic/table table frame-all" id="burn-image-and-tool__id2" data-ofbid="burn-image-and-tool__id2" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">工具列表</span></caption><colgroup><col style="width:27.027027027027025%"/><col style="width:72.97297297297297%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="burn-image-and-tool__id2__entry__1">工具</th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="burn-image-and-tool__id2__entry__2">用途说明</th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__1">mkimage</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__2">
|
||
<ul class="- topic/ul ul" id="burn-image-and-tool__ul_klz_d2h_bzb" data-ofbid="burn-image-and-tool__ul_klz_d2h_bzb">
|
||
<li class="- topic/li li" data-ofbid="d114866e129__20250123155210">
|
||
<p class="- topic/p p" data-ofbid="d114866e131__20250123155210">制作 uImage 格式的 U-Boot 镜像</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d114866e135__20250123155210">
|
||
<p class="- topic/p p" data-ofbid="d114866e137__20250123155210">制作 FIT 镜像</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d114866e141__20250123155210">
|
||
<p class="- topic/p p" data-ofbid="d114866e143__20250123155210">对 FIT 镜像进行签名</p>
|
||
</li>
|
||
</ul>
|
||
<p class="- topic/p p" data-ofbid="d114866e148__20250123155210">U-Boot 编译时生成。编译生成目录 <span class="+ topic/ph sw-d/filepath ph filepath">/tools/mkimage</span>。</p>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__1">mkenvimage</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d114866e163__20250123155210">编译生成 <span class="+ topic/ph sw-d/filepath ph filepath">env.bin</span></p>
|
||
<p class="- topic/p p" data-ofbid="d114866e168__20250123155210">U-Boot 编译时生成，编译生成目录
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">/tools/mkenvimage</span>。</p>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__1">mk_image.py</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__2">
|
||
<ul class="- topic/ul ul" id="burn-image-and-tool__ul_itp_k2d_ndc" data-ofbid="burn-image-and-tool__ul_itp_k2d_ndc">
|
||
<li class="- topic/li li" data-ofbid="d114866e185__20250123155210">
|
||
<p class="- topic/p p" data-ofbid="d114866e187__20250123155210">制作 AIC 格式的启动镜像，包括签名和加密</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d114866e191__20250123155210">
|
||
<p class="- topic/p p" data-ofbid="d114866e193__20250123155210">打包固件组件，生成用于升级的固件镜像文件
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">scripts/tools/mk_image.py</span>。</p>
|
||
</li>
|
||
</ul>
|
||
<p class="- topic/p p" data-ofbid="d114866e201__20250123155210"><span class="+ topic/ph sw-d/filepath ph filepath">tools/scripts/mk_image.py</span></p>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__1">get_env_info.py</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d114866e214__20250123155210">解析 env.txt，获取相关分区信息。</p>
|
||
<p class="- topic/p p" data-ofbid="d114866e217__20250123155210">打包固件过程中使用。</p>
|
||
<p class="- topic/p p" data-ofbid="d114866e220__20250123155210"><span class="+ topic/ph sw-d/filepath ph filepath">tools/scripts/get_env_info.py</span></p>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__1">get_image_cfg.py</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d114866e233__20250123155210">解析 <span class="+ topic/ph sw-d/filepath ph filepath">image_cfg.json</span>，获取相关组件配置信息。</p>
|
||
<p class="- topic/p p" data-ofbid="d114866e239__20250123155210">打包固件过程中使用。</p>
|
||
<p class="- topic/p p" data-ofbid="d114866e242__20250123155210"><span class="+ topic/ph sw-d/filepath ph filepath">tools/scripts/get_image_cfg.py</span></p>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__1">get_nand_info.py</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="burn-image-and-tool__id2__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d114866e256__20250123155210">解析 <span class="+ topic/ph sw-d/filepath ph filepath">nand_list.json</span>，获取 NAND 器件的相关参数信息，</p>
|
||
<p class="- topic/p p" data-ofbid="d114866e262__20250123155210">生成 UBIFS 时使用。</p>
|
||
<p class="- topic/p p" data-ofbid="d114866e265__20250123155210"><span class="+ topic/ph sw-d/filepath ph filepath">tools/scripts/get_nand_info.py</span></p>
|
||
</td>
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</tr>
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<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#burn-image-and-tool__id6" data-tocid="burn-image-and-tool__id6">镜像格式</a></div></li><li class="section-item"><div class="section-title"><a href="#burn-image-and-tool__id7" data-tocid="burn-image-and-tool__id7">制作工具</a></div></li></ul></div>
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