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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://aicdocco/taskstopics/sdk/d13x_bare_boot/generate-cus-brom-app.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">生成客制化的 Boot ROM 启动程序</h1>
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<div class="date inPage">16 May 2025</div><div style="color: gray;">
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Read time: 1 minute(s)
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</div>
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<div class="- topic/body concept/conbody body conbody"><p class="- topic/shortdesc shortdesc"></p>
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<p class="- topic/p p" data-ofbid="d59329e30__20250519091508">芯片在上电启动时，首先运行芯片内部的 Boot ROM 程序，Boot ROM 程序加载并运行下一级程序。</p>
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<div class="- topic/p p" data-ofbid="d59329e33__20250519091508">Boot ROM 加载的程序需要按照一定的格式打包才会被运行。具体的打包格式可参考用户手册的启动章节。制作客制化 BROM
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启动程序时，需要做好相关的连接地址、内存空间分配等规划：<div class="- topic/note note note note_note" id="generate-cus-brom-app__note_xjj_zxc_ndc" data-ofbid="generate-cus-brom-app__note_xjj_zxc_ndc"><span class="note__title">注：</span> 关于启动镜像格式，可查看用户相关章节。</div><ul class="- topic/ul ul" id="generate-cus-brom-app__ul_qcm_qvb_wcc" data-ofbid="generate-cus-brom-app__ul_qcm_qvb_wcc">
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<li class="- topic/li li" data-ofbid="d59329e39__20250519091508">
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<p class="- topic/p p" data-ofbid="d59329e41__20250519091508">配置启动镜像格式中的以下关键字段：</p>
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<ul class="- topic/ul ul" id="generate-cus-brom-app__ul_onm_rvb_wcc" data-ofbid="generate-cus-brom-app__ul_onm_rvb_wcc">
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<li class="- topic/li li" data-ofbid="d59329e46__20250519091508">
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<p class="- topic/p p" data-ofbid="d59329e48__20250519091508"><span class="+ topic/keyword pr-d/parmname keyword parmname">Loader binary data</span>: 客制化程序存放的区域。</p>
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</li>
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<li class="- topic/li li" data-ofbid="d59329e54__20250519091508">
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<p class="- topic/p p" data-ofbid="d59329e56__20250519091508"><span class="+ topic/keyword pr-d/parmname keyword parmname">Load address</span>: 启动镜像的加载地址。</p>
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</li>
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<li class="- topic/li li" data-ofbid="d59329e62__20250519091508">
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<p class="- topic/p p" data-ofbid="d59329e64__20250519091508"><span class="+ topic/keyword pr-d/parmname keyword parmname">Entry point</span>: 客制化程序的程序入口地址，对应程序的链接地址。</p>
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</li>
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</ul>
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</li>
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<li class="- topic/li li" data-ofbid="d59329e72__20250519091508">做好内存空间使用规划：<ul class="- topic/ul ul arabic simple" id="generate-cus-brom-app__ol_sxq_xvb_wcc" data-ofbid="generate-cus-brom-app__ol_sxq_xvb_wcc">
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<li class="- topic/li li" data-ofbid="d59329e76__20250519091508">
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<p class="- topic/p p" data-ofbid="d59329e78__20250519091508">D13x SRAM 的开始地址为 0x30040000</p>
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</li>
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<li class="- topic/li li" data-ofbid="d59329e82__20250519091508">
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<p class="- topic/p p" data-ofbid="d59329e84__20250519091508">SRAM 的最开始 16K Byte，Boot ROM 运行时在使用，因此启动镜像不能被加载到该区间。</p>
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</li>
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<li class="- topic/li li" data-ofbid="d59329e88__20250519091508">
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<p class="- topic/p p" data-ofbid="d59329e90__20250519091508">启动镜像头信息占用 256 字节，因此 <span class="+ topic/keyword pr-d/parmname keyword parmname">Load address</span> 和 <span class="+ topic/keyword pr-d/parmname keyword parmname">Entry
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point</span>之间至少预留 256 字节。</p>
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<p class="- topic/p p" data-ofbid="d59329e99__20250519091508">启动镜像加载的内存地址，应该是 0x30044000 之后:</p>
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</li>
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</ul></li>
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</ul></div>
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<div class="- topic/p p" data-ofbid="d59329e105__20250519091508">使用 <span class="- topic/ph ph">Luban-Lite</span> 中的 mk_image.exe 或 mk_image.py 工具，可以单独生成启动镜像。相关工具可从 <span class="- topic/ph ph">Luban-Lite</span> 的最新 SDK 获取。<ul class="- topic/ul ul simple" id="generate-cus-brom-app__ul_ctq_xqq_gdc" data-ofbid="generate-cus-brom-app__ul_ctq_xqq_gdc">
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<li class="- topic/li li" data-ofbid="d59329e115__20250519091508">
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<p class="- topic/p p" data-ofbid="d59329e117__20250519091508"><span class="+ topic/ph sw-d/filepath ph filepath">tools/scripts/mk_image.exe</span></p>
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</li>
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<li class="- topic/li li" data-ofbid="d59329e122__20250519091508">
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<p class="- topic/p p" data-ofbid="d59329e124__20250519091508"><span class="+ topic/ph sw-d/filepath ph filepath">tools/scripts/mk_image.py</span></p>
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</li>
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</ul></div>
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<div class="- topic/p p" data-ofbid="d59329e130__20250519091508">以下以 <span class="+ topic/ph sw-d/filepath ph filepath">app.bin</span> 应用为例，演示生成、烧录和启动镜像的详细流程。<ol class="- topic/ol ol" id="generate-cus-brom-app__ol_xhk_xqq_gdc" data-ofbid="generate-cus-brom-app__ol_xhk_xqq_gdc">
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<li class="- topic/li li" data-ofbid="d59329e137__20250519091508">
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<p class="- topic/p p" data-ofbid="d59329e139__20250519091508">参考下面的 <span class="+ topic/ph sw-d/filepath ph filepath">image_cfg.json</span> 文件配置，进行打包并生成 <span class="+ topic/ph sw-d/filepath ph filepath">app.aic</span>
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镜像：</p>
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="generate-cus-brom-app__codeblock_jgl_yqq_gdc" data-ofbid="generate-cus-brom-app__codeblock_jgl_yqq_gdc">{
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<span class="hl-string">"pre-process"</span>: { <em class="hl-comment">// Pre-proccess to generate image components from raw data</em>
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<span class="hl-string">"aicimage"</span>: { <em class="hl-comment">// Create aic boot image</em>
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<span class="hl-string">"app.aic"</span>: {
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<span class="hl-string">"loader"</span>: {
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<span class="hl-string">"file"</span>: <span class="hl-string">"app.bin"</span>,
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<span class="hl-string">"load address"</span>: <span class="hl-string">"0x30044000"</span>,
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<span class="hl-string">"entry point"</span>: <span class="hl-string">"0x30044100"</span>, <em class="hl-comment">// 256 byte aic header</em>
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},
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},
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},
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},
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}
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</pre>
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<p class="- topic/p p" data-ofbid="d59329e151__20250519091508">此处 <span class="+ topic/ph sw-d/filepath ph filepath">image_cfg.json</span> 描述了将 <span class="+ topic/ph sw-d/filepath ph filepath">app.bin</span> 打包生成
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<span class="+ topic/ph sw-d/filepath ph filepath">app.aic</span> ，放到 loader 区域，并且设置了加载地址和入口地址。</p>
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</li>
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<li class="- topic/li li" data-ofbid="d59329e164__20250519091508">
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<div class="- topic/p p" data-ofbid="d59329e166__20250519091508">执行下列命令在当前目录生成 <span class="+ topic/ph sw-d/filepath ph filepath">app.aic</span> 文件，此文件为芯片 Boot ROM
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可加载的镜像文件：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="generate-cus-brom-app__codeblock_glt_yqq_gdc" data-ofbid="generate-cus-brom-app__codeblock_glt_yqq_gdc">mk_image.py -p -c <path_to_image_cfg_dir>/image_cfg.json -d <path_to_app_dir>
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</pre></div>
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<div class="- topic/p p" data-ofbid="d59329e174__20250519091508">如果将 <span class="+ topic/ph sw-d/filepath ph filepath">mk_image.py</span>
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<span class="+ topic/ph sw-d/filepath ph filepath">image_cfg.json</span>
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<span class="+ topic/ph sw-d/filepath ph filepath">app.bin</span>
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都放在一个目录，则命令为：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="generate-cus-brom-app__codeblock_pb1_zqq_gdc" data-ofbid="generate-cus-brom-app__codeblock_pb1_zqq_gdc">mk_image.py -p -c image_cfg.json -d .
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</pre></div>
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</li>
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<div class=" wh_related_links d-print-none "><nav aria-label="Related Links" role="navigation" class="- topic/related-links related-links"><div class="- topic/linklist linklist relinfo"><strong>相关信息</strong><ul class="linklist related_link"><li class="linklist"><a class="- topic/link link navheader_parent_path" title="D13x 启动镜像格式要求">D13x 启动镜像格式要求</a></li><li class="linklist"><a class="- topic/link link navheader_parent_path" title="D21x 启动镜像格式要求">D21x 启动镜像格式要求</a></li></ul></div></nav></div>
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