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role="treeitem" aria-expanded="true"><div data-tocid="chapter-memory-d4445e4054" class="topicref" data-id="chapter-memory" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action chapter-memory-d4445e4054-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-memory-sdk.html" id="chapter-memory-d4445e4054-link">存储</a><div class="wh-tooltip"><p class="shortdesc">SDMC、SPI NAND、SPI NOR 等存储模块的介绍和使用说明。</p></div></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem" aria-expanded="false"><div data-tocid="id-d4445e4071" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d4445e4071-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/sdmc/sdmc-user-guide.html" id="id-d4445e4071-link">SDMC 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div 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data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action concept_n3v_ttw_bzb-d4445e4354-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/file-system/file-system-user-guide.html" id="concept_n3v_ttw_bzb-d4445e4354-link">文件系统使用指南</a></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem"><div data-tocid="file_system_rootfs-d4445e4368" class="topicref" data-id="file_system_rootfs" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/file-system/file-system-rootfs.html" id="file_system_rootfs-d4445e4368-link">RootFS 和 Overlay</a></div></div></li><li role="treeitem"><div data-tocid="id-d4445e4382" class="topicref" data-id="id" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/file-system/lb_usage_autoboot_2.html" id="id-d4445e4382-link">开机启动</a></div></div></li><li role="treeitem"><div data-tocid="file_system_division-d4445e4396" class="topicref" data-id="file_system_division" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/file-system/file-system-division.html" id="file_system_division-d4445e4396-link">配置系统分区</a></div></div></li><li role="treeitem" class="active"><div data-tocid="file_system_images-d4445e4410" class="topicref" data-id="file_system_images" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/file-system/file-system-images.html" id="file_system_images-d4445e4410-link">选择系统镜像</a></div></div></li><li role="treeitem"><div data-tocid="file_system_division_modification-d4445e4424" class="topicref" data-id="file_system_division_modification" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/file-system/file-system-division_modification.html" id="file_system_division_modification-d4445e4424-link">修改分区</a></div></div></li></ul></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_mcc_32s_nbc-d4445e4438" class="topicref" data-id="concept_mcc_32s_nbc" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_mcc_32s_nbc-d4445e4438-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-multi-media-sdk.html" id="concept_mcc_32s_nbc-d4445e4438-link">多媒体</a><div class="wh-tooltip"><p class="shortdesc">GE、VE、Display、DVP、MPP、MPP 播放器等多媒体模块的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_nww_hzh_pzb-d4445e5947" class="topicref" data-id="concept_nww_hzh_pzb" 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/file-system/file-system-images.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">选择系统镜像</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 class="- topic/body concept/conbody body conbody">
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<div class="- topic/p p" data-ofbid="d118901e33__20250123155210">SDK 目前支持生成最多三个不同的自定义文件系统镜像，详细的配置步骤如下：<ol class="- topic/ol ol" id="file_system_images__ol_shg_nbz_c1c" data-ofbid="file_system_images__ol_shg_nbz_c1c">
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<li class="- topic/li li" data-ofbid="d118901e37__20250123155210">在 SDK 根目录下，执行以下命令进入 menuconfig
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的配置界面：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="file_system_images__codeblock_zfy_cbz_c1c" data-ofbid="file_system_images__codeblock_zfy_cbz_c1c"><code>make menuconfig</code></pre></li>
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<li class="- topic/li li" data-ofbid="d118901e42__20250123155210">进入镜像系统配置界面，根据需要勾选对应的镜像文件：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="file_system_images__codeblock_hgm_dbz_c1c" data-ofbid="file_system_images__codeblock_hgm_dbz_c1c"><code>Filesystem images --->
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[*] UserFS <span class="hl-number">1</span> --->
|
||
[ ] UserFS <span class="hl-number">2</span> --->
|
||
[ ] UserFS <span class="hl-number">3</span> ---></code></pre><div class="table-container"><table class="- topic/table table frame-all" id="file_system_images__table_eyz_pqq_sdc" data-ofbid="file_system_images__table_eyz_pqq_sdc" 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">镜像文件参数描述</span></caption><colgroup><col style="width:27.47252747252747%"/><col style="width:72.52747252747253%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="file_system_images__table_eyz_pqq_sdc__entry__1">参数名称</th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="file_system_images__table_eyz_pqq_sdc__entry__2">描述</th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="file_system_images__table_eyz_pqq_sdc__entry__1"><span class="+ topic/keyword pr-d/parmname keyword parmname">(user) Name</span></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="file_system_images__table_eyz_pqq_sdc__entry__2">文件系统镜像名字，默认为
|
||
<span class="+ topic/ph ui-d/uicontrol ph uicontrol">UserFS1</span>，可根据实际情况修改，例如修改为 user。</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="file_system_images__table_eyz_pqq_sdc__entry__1"><span class="+ topic/keyword pr-d/parmname keyword parmname">FS Type</span></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="file_system_images__table_eyz_pqq_sdc__entry__2">文件系统类型，支持 Ext4、UBIFS、JFFS2、SQUASHFS，建议选择 UFBIFS：<ul class="- topic/ul ul" id="file_system_images__ul_j5g_cbz_c1c" data-ofbid="file_system_images__ul_j5g_cbz_c1c">
|
||
<li class="- topic/li li" data-ofbid="d118901e94__20250123155210">对于存储介质 EMMC， 选择 EXT4</li>
|
||
<li class="- topic/li li" data-ofbid="d118901e97__20250123155210">对于存储介质 NAND，选择 UBIFS</li>
|
||
<li class="- topic/li li" data-ofbid="d118901e100__20250123155210">对于存储介质 NOR，选择 UBIFS、JFFS2、SQUASHFS<div class="- topic/note note note note_note" id="file_system_images__note_jfy_rrq_sdc" data-ofbid="file_system_images__note_jfy_rrq_sdc"><span class="note__title">注：</span> <div class="note__body">使用 JFFS2 文件系统时，需执行
|
||
<span class="+ topic/keyword sw-d/cmdname keyword cmdname">make kernel-menuconfig</span>
|
||
命令，在内核配置界面使能
|
||
CONFIG_MTD_SPI_NOR_USE_4K_SECTORS
|
||
配置。</div></div></li>
|
||
</ul></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="file_system_images__table_eyz_pqq_sdc__entry__1"><span class="+ topic/keyword pr-d/parmname keyword parmname">ubifs size</span></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="file_system_images__table_eyz_pqq_sdc__entry__2">Image 大小，单位为 Byte：<ul class="- topic/ul ul" id="file_system_images__ul_yb2_1rq_sdc" data-ofbid="file_system_images__ul_yb2_1rq_sdc">
|
||
<li class="- topic/li li" data-ofbid="d118901e124__20250123155210">需小于等于分区的大小，不得超过分区大小</li>
|
||
<li class="- topic/li li" data-ofbid="d118901e127__20250123155210">默认 0x1 000 000 为 1M， 0x10 000 000 则为 16 MB</li>
|
||
<li class="- topic/li li" data-ofbid="d118901e130__20250123155210">设置时需要对齐为 MB</li>
|
||
</ul></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="file_system_images__table_eyz_pqq_sdc__entry__1"><span class="+ topic/keyword pr-d/parmname keyword parmname">ubifs runtime compression</span></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="file_system_images__table_eyz_pqq_sdc__entry__2">UBIFS 内部压缩算法<ul class="- topic/ul ul" data-ofbid="d118901e143__20250123155210">
|
||
<li class="- topic/li li" data-ofbid="d118901e145__20250123155210">引进压缩算法，可降低 Image 大小，但读写速度变慢</li>
|
||
<li class="- topic/li li" data-ofbid="d118901e148__20250123155210">UBIFS 内部压缩算法 和 Image 两中压缩算法设计</li>
|
||
<li class="- topic/li li" data-ofbid="d118901e151__20250123155210">建议不进行压缩设置</li>
|
||
</ul></td>
|
||
</tr>
|
||
</tbody></table></div></li>
|
||
<li class="- topic/li li" data-ofbid="d118901e159__20250123155210"> 勾选完成后，编译时，SDK 会自动创建一个文件安装目录。<p class="- topic/p p" data-ofbid="d118901e161__20250123155210">以 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">UserFS 1</span>为例，
|
||
<span class="+ topic/ph ui-d/uicontrol ph uicontrol">UserFS 2</span> 和 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">UserFS 3</span>
|
||
的配置参数和流程与 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">UserFS 1</span> 相同。</p><p class="- topic/p p" data-ofbid="d118901e175__20250123155210">文件安装目录为
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">output/userfs/fs1.<var class="+ topic/keyword sw-d/varname keyword varname">fs_name</var>/</span>，例如
|
||
<var class="+ topic/keyword sw-d/varname keyword varname">fs_name</var> 值为 "User" 时，则安装目录为
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">output/userfs/fs1.User/</span>。</p><div class="- topic/p p" data-ofbid="d118901e189__20250123155210">如果在编译 SDK
|
||
的组件包过程中，需要安装文件到该目录，可通过下列 Makefile
|
||
变量得到该安装目录的路径：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="file_system_images__pre_nyv_5bz_c1c" data-ofbid="file_system_images__pre_nyv_5bz_c1c"><code>$(TARGET_USERFS1_DIR)</code></pre></div></li>
|
||
<li class="- topic/li li" data-ofbid="d118901e194__20250123155210"><strong class="+ topic/ph hi-d/b ph b">UserFS Overlay</strong><p class="- topic/p p" data-ofbid="d118901e197__20250123155210">UserFS 同样支持 Overlay 的操作。Overlay 的目录在 <span class="+ topic/ph sw-d/filepath ph filepath">Overlay
|
||
directory</span> 中配置。如果需要配置多个 Overlay 目录，则在不同的目录之间， 使用空格进行分开。关于
|
||
Overlay 的详细说明，可查看 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="file-system-rootfs.html">RootFS 和 Overlay</a>。</p></li>
|
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