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role="button" tabindex="0" aria-labelledby="button-expand-action concept_mtx_tk3_pzb-d4445e3028-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/linux/chapter_linux.html" id="concept_mtx_tk3_pzb-d4445e3028-link">Linux</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-system-d4445e3198" class="topicref" data-id="chapter-system" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-system-d4445e3198-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-system.html" id="chapter-system-d4445e3198-link">系统</a><div class="wh-tooltip"><p class="shortdesc"></p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-memory-d4445e4054" class="topicref" data-id="chapter-memory" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action 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data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_nww_hzh_pzb-d4445e5947-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d4445e5947-link">接口</a><div class="wh-tooltip"><p class="shortdesc">CAN、CIR、GPAI、GPIO、I2C、PSADC、PWM 等接口模块的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-safety-d4445e7944" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d4445e7944-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d4445e7944-link">安全</a><div class="wh-tooltip"><p class="shortdesc">SPI ENC、CE、eFuse 等安全模块的介绍和使用说明。</p></div></div></div></li></ul></li></ul></div>
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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/sdk-guide-temp-file.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">中间文件描述</h1>
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<div class="date inPage">15 Jan 2024</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/p p" data-ofbid="d53334e33__20250123155202">“temporary” 描述的是镜像文件生成过程中需要生成的中间文件。通过描述数据对象的方式，
|
||
描述不同类型的中间文件的生成过程，可用于对组件的签名、加密、再次打包等处理。</p>
|
||
<p class="- topic/p p" data-ofbid="d53334e36__20250123155202">当前支持下列两种不同的数据处理：</p>
|
||
<ul class="- topic/ul ul" id="concept_nyn_gn3_pzb__ul_phx_3vg_bzb" data-ofbid="concept_nyn_gn3_pzb__ul_phx_3vg_bzb">
|
||
<li class="- topic/li li" data-ofbid="d53334e41__20250123155202">
|
||
<p class="- topic/p p" data-ofbid="d53334e43__20250123155202">“aicboot”：描述 AIC 启动镜像的生成</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d53334e47__20250123155202">
|
||
<p class="- topic/p p" data-ofbid="d53334e49__20250123155202">“itb”：描述 FIT Image 的打包</p>
|
||
</li>
|
||
</ul>
|
||
<p class="- topic/p p" data-ofbid="d53334e54__20250123155202"><strong class="+ topic/ph hi-d/b ph b">AIC 启动镜像</strong></p>
|
||
<div class="- topic/p p" data-ofbid="d53334e58__20250123155202">AIC 启动镜像是 BROM 解析和执行的启动程序文件。 当需要在打包过程中生成一个中间的 AIC 启动镜像文件时，需要在 “aicboot” 对象中添加一个子对象，
|
||
其对象名字即为生成的文件名字，可配置的内容如下面的示例所示。所列的属性中，只有 “loader” 是必需的，
|
||
其他的可根据项目需要进行删减。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="concept_nyn_gn3_pzb__codeblock_edz_ss2_f1c" data-ofbid="concept_nyn_gn3_pzb__codeblock_edz_ss2_f1c"><code><span class="hl-string">"aicboot"</span>: {
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<span class="hl-string">"u-boot-spl.aic"</span>: {
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||
<span class="hl-string">"head_ver"</span>: <span class="hl-string">"0x00010000"</span>,
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||
<span class="hl-string">"anti-rollback counter"</span>: <span class="hl-number">1</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">"u-boot-spl.bin"</span>,
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||
<span class="hl-string">"load address"</span>: <span class="hl-string">"0x103100"</span>,
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||
<span class="hl-string">"entry point"</span>: <span class="hl-string">"0x103100"</span>,
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||
},
|
||
<span class="hl-string">"resource"</span>: {
|
||
<span class="hl-string">"private"</span>: <span class="hl-string">"private.bin"</span>,
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||
<span class="hl-string">"pubkey"</span>: <span class="hl-string">"rsa_pub_key.der"</span>,
|
||
<span class="hl-string">"pbp"</span>: <span class="hl-string">"d211.pbp"</span>,
|
||
},
|
||
<span class="hl-string">"encryption"</span>: {
|
||
<span class="hl-string">"algo"</span>: <span class="hl-string">"aes-128-cbc"</span>,
|
||
<span class="hl-string">"key"</span>: <span class="hl-string">"aes-128-cbc-key.bin"</span>,
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||
<span class="hl-string">"iv"</span>: <span class="hl-string">"aes-128-cbc-iv.bin"</span>,
|
||
},
|
||
<span class="hl-string">"signature"</span>: {
|
||
<span class="hl-string">"algo"</span>: <span class="hl-string">"rsa,2048"</span>,
|
||
<span class="hl-string">"privkey"</span>: <span class="hl-string">"rsa-2048-private.der"</span>,
|
||
},
|
||
},
|
||
}</code></pre></div>
|
||
<div class="- topic/div div">
|
||
<p class="- topic/p p" data-ofbid="d53334e66__20250123155202"><strong class="+ topic/ph hi-d/b ph b">FIT Image</strong></p>
|
||
<p class="- topic/p p" data-ofbid="d53334e70__20250123155202">FIT Image 是 U-Boot 中常用的数据打包方式，用于将一些相关的启动数据打包在一起， 使用 <span class="+ topic/ph sw-d/filepath ph filepath">.its</span>
|
||
文件描述打包过程。</p>
|
||
<div class="- topic/p p" data-ofbid="d53334e76__20250123155202">如果生成烧录镜像文件的过程中，有些数据需要打包组合为一个 FIT Image 文件，则可以在 “itb”
|
||
对象中添加一个子对象，其对象名字即为生成的文件名字，可配置的内容位描述该打包 过程的 <span class="+ topic/ph sw-d/filepath ph filepath">.its</span>
|
||
文件。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="concept_nyn_gn3_pzb__codeblock_w2g_5s2_f1c" data-ofbid="concept_nyn_gn3_pzb__codeblock_w2g_5s2_f1c"><code><span class="hl-string">"itb"</span>: {
|
||
<span class="hl-string">"u-boot.itb"</span>: {
|
||
<span class="hl-string">"its"</span>: <span class="hl-string">"u-boot.its"</span>
|
||
},
|
||
},</code></pre></div>
|
||
<p class="- topic/p p" data-ofbid="d53334e84__20250123155202">烧录镜像文件生成过程中，会调用相应的 mkimage 工具生成 <span class="+ topic/ph sw-d/filepath ph filepath">itb</span> 文件。</p>
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