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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"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/advanced/burn-cfg-file.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">烧录镜像配置文件</h1><div class="date inPage">4 Dec 2024</div><div style="color: gray;">
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Read time: 3 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><p class="- topic/p p" data-ofbid="d335969e22__20250121171844">使用 <span class="+ topic/ph sw-d/filepath ph filepath">mk_image.py</span> 制作烧录镜像时，需要提供 <span class="+ topic/ph sw-d/filepath ph filepath">image_cfg.json</span>
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镜像配置文件。</p><div class="- topic/p p" data-ofbid="d335969e30__20250121171844">通过嵌套对象的方式，<span class="+ topic/ph sw-d/filepath ph filepath">image_cfg.json</span>
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描述了一个待生成的镜像文件所包含的信息和数据，如下列代码所示，该描述文件分为以下部分：<ul class="- topic/ul ul simple" id="burn-cfg-file__ul_wr4_pcr_3dc" data-ofbid="burn-cfg-file__ul_wr4_pcr_3dc"><li class="- topic/li li" data-ofbid="d335969e36__20250121171844">
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<p class="- topic/p p" data-ofbid="d335969e38__20250121171844">镜像烧录的目标设备描述，详情可查看<a class="- topic/xref xref" href="../linux/burn-image-partition-table.html">分区表描述</a>。</p>
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</li><li class="- topic/li li" data-ofbid="d335969e45__20250121171844">
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<p class="- topic/p p" data-ofbid="d335969e47__20250121171844">最终<a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="../boot/image-file-intro.html">Image 文件描述</a>，包括信息和内容排布，由 <code class="+ topic/ph pr-d/codeph ph codeph">info</code>
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数据，<code class="+ topic/ph pr-d/codeph ph codeph">updater</code> 数据和 <code class="+ topic/ph pr-d/codeph ph codeph">target</code> 数据组成。</p>
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</li><li class="- topic/li li" data-ofbid="d335969e63__20250121171844">
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<p class="- topic/p p" data-ofbid="d335969e65__20250121171844"><a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="sdk-guide-temp-file.html">中间文件描述</a>，制作 <span class="+ topic/ph sw-d/filepath ph filepath">image</span> 的过程中需要生成和使用的临时文件。</p>
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</li></ul></div><div class="- topic/p p" data-ofbid="d335969e74__20250121171844">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="burn-cfg-file__codeblock_ycn_hdr_3dc" data-ofbid="burn-cfg-file__codeblock_ycn_hdr_3dc">{
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<span class="hl-string">"spi-nand"</span>: { <em class="hl-comment">// Device, The name should be the same with string in image:info:media:type</em>
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<span class="hl-string">"size"</span>: <span class="hl-string">"128m"</span>, <em class="hl-comment">// Size of SPI NAND</em>
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<span class="hl-string">"partitions"</span>: {
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<span class="hl-string">"spl"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"1m"</span> },
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<span class="hl-string">"os"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"2m"</span> },
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<span class="hl-string">"rodata"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"4m"</span> },
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<span class="hl-string">"data"</span>: { <span class="hl-string">"size"</span>: <span class="hl-string">"28m"</span> },
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},
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},
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<span class="hl-string">"image"</span>: {
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<span class="hl-string">"info"</span>: { <em class="hl-comment">// Header information about image</em>
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<span class="hl-string">"platform"</span>: <span class="hl-string">"d21x"</span>,
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<span class="hl-string">"product"</span>: <span class="hl-string">"demo128_nand"</span>,
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<span class="hl-string">"version"</span>: <span class="hl-string">"1.0.0"</span>,
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<span class="hl-string">"media"</span>: {
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<span class="hl-string">"type"</span>: <span class="hl-string">"spi-nand"</span>,
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<span class="hl-string">"device_id"</span>: <span class="hl-number">0</span>,
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<span class="hl-string">"array_organization"</span>: [
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{ <span class="hl-string">"page"</span>: <span class="hl-string">"2k"</span>, <span class="hl-string">"block"</span>: <span class="hl-string">"128k"</span>, <span class="hl-string">"oob"</span>: <span class="hl-string">"64"</span> },
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<em class="hl-comment">// { "page": "4k", "block": "256k", "oob": "128" },</em>
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],
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}
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},
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<span class="hl-string">"updater"</span>: { <em class="hl-comment">// Image writer which is downloaded to RAM by USB</em>
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<span class="hl-string">"ddr"</span>: {
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<span class="hl-string">"file"</span>: <span class="hl-string">"usbupg-ddr-init.aic"</span>,
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<span class="hl-string">"attr"</span>: [<span class="hl-string">"required"</span>, <span class="hl-string">"run"</span>],
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<span class="hl-string">"ram"</span>: <span class="hl-string">"0x00103000"</span>
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},
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<span class="hl-string">"bootloader"</span>: {
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<span class="hl-string">"file"</span>: <span class="hl-string">"bootloader.aic"</span>,
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<span class="hl-string">"attr"</span>: [<span class="hl-string">"required"</span>, <span class="hl-string">"run"</span>],
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<span class="hl-string">"ram"</span>: <span class="hl-string">"0x41000000"</span>
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},
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},
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<span class="hl-string">"target"</span>: { <em class="hl-comment">// Image components which will be burn to device's partitions</em>
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<span class="hl-string">"bootloader"</span>: {
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<span class="hl-string">"file"</span>: <span class="hl-string">"bootloader.aic"</span>,
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<span class="hl-string">"attr"</span>: [<span class="hl-string">"mtd"</span>, <span class="hl-string">"required"</span>],
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<span class="hl-string">"part"</span>: [<span class="hl-string">"spl"</span>]
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},
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<span class="hl-string">"os"</span>: {
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<span class="hl-string">"file"</span>: <span class="hl-string">"os.aic"</span>,
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<span class="hl-string">"attr"</span>: [<span class="hl-string">"mtd"</span>, <span class="hl-string">"required"</span>],
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<span class="hl-string">"part"</span>: [<span class="hl-string">"os"</span>]
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},
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<span class="hl-string">"res"</span>: {
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<span class="hl-string">"file"</span>: <span class="hl-string">"app.fatfs"</span>,
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<span class="hl-string">"attr"</span>: [<span class="hl-string">"mtd"</span>, <span class="hl-string">"optional"</span>],
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<span class="hl-string">"part"</span>: [<span class="hl-string">"rodata"</span>]
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},
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<span class="hl-string">"app"</span>: {
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<span class="hl-string">"file"</span>: <span class="hl-string">"page_2k_block_128k_oob_64_data.uffs"</span>,
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<span class="hl-string">"attr"</span>: [<span class="hl-string">"uffs"</span>, <span class="hl-string">"optional"</span>],
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<span class="hl-string">"part"</span>: [<span class="hl-string">"data"</span>]
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},
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},
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},
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<span class="hl-string">"temporary"</span>: { <em class="hl-comment">// Pre-proccess to generate image components from raw data</em>
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<span class="hl-string">"aicboot"</span>: {
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<span class="hl-string">"usbupg-ddr-init.aic"</span>: { <em class="hl-comment">// No loader, only PreBootProgram to initialize DDR</em>
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<span class="hl-string">"head_ver"</span>: <span class="hl-string">"0x00010001"</span>,
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<span class="hl-string">"resource"</span>: {
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<span class="hl-string">"private"</span>: <span class="hl-string">"ddr_init.bin"</span>,
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<span class="hl-string">"pbp"</span>: <span class="hl-string">"d21x.pbp"</span>,
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},
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},
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<span class="hl-string">"bootloader.aic"</span>: {
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<span class="hl-string">"head_ver"</span>: <span class="hl-string">"0x00010001"</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">"bootloader.bin"</span>,
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<span class="hl-string">"load address"</span>: <span class="hl-string">"0x42000000"</span>,
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<span class="hl-string">"entry point"</span>: <span class="hl-string">"0x42000100"</span>,
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},
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<span class="hl-string">"resource"</span>: {
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<span class="hl-string">"private"</span>: <span class="hl-string">"ddr_init.bin"</span>,
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<span class="hl-string">"pbp"</span>: <span class="hl-string">"d21x.pbp"</span>,
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},
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},
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<span class="hl-string">"os.aic"</span>: {
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<span class="hl-string">"head_ver"</span>: <span class="hl-string">"0x00010001"</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">"d21x.bin"</span>,
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<span class="hl-string">"load address"</span>: <span class="hl-string">"0x40000000"</span>,
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<span class="hl-string">"entry point"</span>: <span class="hl-string">"0x40000100"</span>,
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<span class="hl-string">"run in dram"</span>: <span class="hl-string">"false"</span>,
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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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