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< div data-tooltip-position = "bottom" class = " wh_breadcrumb " > < ol class = "d-print-none" > < li > < span class = "home" > < a href = "../../../index.html" > < span > 主页< / span > < / a > < / span > < / li > < li > < div class = "topicref" data-id = "id" > < div class = "title" > < a href = "../../../topics/sdk/advanced/sdk-usage.html" > 使用指南< / a > < div class = "wh-tooltip" > < p class = "shortdesc" > 命令详解，编译选项，镜像和分区配置，添加应用和驱动等的详细使用说明。< / p > < / div > < / div > < / div > < / li > < li > < div class = "topicref" data-id = "id" > < div class = "title" > < a href = "../../../topics/sdk/advanced/image_burn_and_config.html" > 配置烧录镜像< / a > < / div > < / div > < / li > < li > < div class = "topicref" data-id = "burn-cfg-file" > < div class = "title" > < a href = "../../../topics/sdk/advanced/burn-cfg-file.html" > 烧录镜像配置文件< / a > < / div > < / div > < / li > < li class = "active" > < div class = "topicref" data-id = "concept_mtx_tk3_pzb" > < div class = "title" > < a href = "../../../topics/sdk/linux/burn-image-partition-table.html" > 分区表描述< / a > < / div > < / div > < / li > < / ol > < / div >
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< div class = " wh_publication_toc " data-tooltip-position = "right" > < span class = "expand-button-action-labels" > < span id = "button-expand-action" role = "button" aria-label = "Expand" > < / span > < span id = "button-collapse-action" role = "button" aria-label = "Collapse" > < / span > < span id = "button-pending-action" role = "button" aria-label = "Pending" > < / span > < / span > < ul role = "tree" aria-label = "Table of Contents" > < li role = "treeitem" > < div data-tocid = "revinfo_linux-d3752e463" class = "topicref" data-id = "revinfo_linux" data-state = "leaf" > < span role = "button" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/revinfo/revinfo_rtos.html" id = "revinfo_linux-d3752e463-link" > 修订记录< / a > < / div > < / div > < / li > < li role = "treeitem" aria-expanded = "false" > < div data-tocid = "id-d3752e480" class = "topicref" data-id = "id" data-state = "not-ready" > < span role = "button" tabindex = "0" aria-labelledby = "button-expand-action id-d3752e480-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/env/sdk-compile.html" id = "id-d3752e480-link" > SDK 编译< / a > < div class = "wh-tooltip" > < p class = "shortdesc" > 介绍不同编译环境下 SDK 的详细编译流程。< / p > < / div > < / div > < / div > < / li > < li role = "treeitem" aria-expanded = "true" > < div data-tocid = "id-d3752e604" class = "topicref" data-id = "id" data-state = "expanded" > < span role = "button" tabindex = "0" aria-labelledby = "button-collapse-action id-d3752e604-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/advanced/sdk-usage.html" id = "id-d3752e604-link" > 使用指南< / a > < div class = "wh-tooltip" > < p class = "shortdesc" > 命令详解，编译选项，镜像和分区配置，添加应用和驱动等的详细使用说明。< / p > < / div > < / div > < / div > < ul role = "group" class = "navbar-nav nav-list" > < li role = "treeitem" aria-expanded = "false" > < div data-tocid = "id-d3752e623" class = "topicref" data-id = "id" data-state = "not-ready" > < span role = "button" tabindex = "0" aria-labelledby = "button-expand-action id-d3752e623-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/advanced/commands.html" id = "id-d3752e623-link" > 命令详解 < / a > < / div > < / div > < / li > < li role = "treeitem" > < div data-tocid = "id-d3752e683" class = "topicref" data-id = "id" data-state = "leaf" > < span role = "button" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/advanced/architecture.html" id = "id-d3752e683-link" > 设计框架< / a > < / div > < / div > < / li > < li role = "treeitem" > < div data-tocid = "id-d3752e697" class = "topicref" data-id = "id" data-state = "leaf" > < span role = "button" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/advanced/sconstruct.html" id = "id-d3752e697-link" > SConstruct < / a > < / div > < / div > < / li > < li role = "treeitem" > < div data-tocid = "id-d3752e711" class = "topicref" data-id = "id" data-state = "leaf" > < span role = "button" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/advanced/compile.html" id = "id-d3752e711-link" > 编译选项介绍< / a > < / div > < / div > < / li > < li role = "treeitem" aria-expanded = "false" > < div data-tocid = "config-storage-d3752e725" class = "topicref" data-id = "config-storage" data-state = "not-ready" > < span role = "button" tabindex = "0" aria-labelledby = "button-expand-action config-storage-d3752e725-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/advanced/config-storage.html" id = "config-storage-d3752e725-link" > 切换存储类型< / a > < / div > < / div > < / li > < li role = "treeitem" aria-expanded = "false" > < div data-tocid = "id-d3752e771" class = "topicref" data-id = "id" data-state = "not-ready" > < span role = "button" tabindex = "0" aria-labelledby = "button-expand-action id-d3752e771-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/advanced/partition_config.html" id = "id-d3752e771-link" > 配置分区< / a > < / div > < / div > < / li > < li role = "treeitem" aria-expanded = "true" > < div data-tocid = "id-d3752e815" class = "topicref" data-id = "id" data-state = "expanded" > < span role = "button" tabindex = "0" aria-labelledby = "button-collapse-action id-d3752e815-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/adv
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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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< p class = "- topic/p p" id = "concept_mtx_tk3_pzb__p_hlr_sr2_f1c" data-ofbid = "concept_mtx_tk3_pzb__p_hlr_sr2_f1c" > < span class = "+ topic/ph sw-d/filepath ph filepath" > image_cfg.json< / span > 文件的开头描述的是当前要烧录的目标存储设备，以及在设备上的分区配置，以
< span class = "+ topic/keyword pr-d/parmname keyword parmname" > spi-nand< / span > 为例：< / p >
< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "concept_mtx_tk3_pzb__codeblock_fvp_3r2_f1c" data-ofbid = "concept_mtx_tk3_pzb__codeblock_fvp_3r2_f1c" > < 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 >
< span class = "hl-string" > "partitions"< / span > : {
< span class = "hl-string" > "spl"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "1m"< / span > },
< span class = "hl-string" > "os"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "2m"< / span > },
< span class = "hl-string" > "rodata"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "4m"< / span > },
< span class = "hl-string" > "data"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "28m"< / span > },
},
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},< / pre >
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< p class = "- topic/p p" data-ofbid = "d106974e44__20250519091516" > 该示例中各字段具体描述如下表所示：< / p >
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< div class = "table-container" > < table class = "- topic/table table frame-all" id = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb" data-ofbid = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb" data-cols = "3" > < 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" > 分区表描述< / span > < / caption > < colgroup > < col style = "width:18.76955161626695%" / > < col style = "width:10.427528675703858%" / > < col style = "width:70.8029197080292%" / > < / colgroup > < thead class = "- topic/thead thead" >
< tr class = "- topic/row" >
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< th class = "- topic/entry entry colsep-1 rowsep-1" id = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__1" > < p class = "- topic/p p" data-ofbid = "d106974e65__20250519091516" > 字段< / p > < / th >
< th class = "- topic/entry entry colsep-1 rowsep-1" id = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__2" > < p class = "- topic/p p" data-ofbid = "d106974e69__20250519091516" > 值类型< / p > < / th >
< th class = "- topic/entry entry colsep-0 rowsep-1" id = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__3" > < p class = "- topic/p p" data-ofbid = "d106974e73__20250519091516" > 描述< / p > < / th >
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< / tr >
< / thead > < tbody class = "- topic/tbody tbody" >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__1" > < p class = "- topic/p p" data-ofbid = "d106974e83__20250519091516" > < var class = "+ topic/keyword sw-d/varname keyword varname" > media type< / var > < / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__2" > < p class = "- topic/p p" data-ofbid = "d106974e88__20250519091516" > String< / p > < / td >
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< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__3" >
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< p class = "- topic/p p" data-ofbid = "d106974e93__20250519091516" > 存储设备类型< / p >
< p class = "- topic/p p" data-ofbid = "d106974e96__20250519091516" > 该字段名字仅可使用此列表所指定的名字。< / p >
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< ul class = "- topic/ul ul" id = "concept_mtx_tk3_pzb__ul_vsx_cjc_jzb" data-ofbid = "concept_mtx_tk3_pzb__ul_vsx_cjc_jzb" >
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< li class = "- topic/li li" data-ofbid = "d106974e101__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > mmc< / span > ： < / li >
< li class = "- topic/li li" data-ofbid = "d106974e106__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > spi-nand< / span > ： < / li >
< li class = "- topic/li li" data-ofbid = "d106974e111__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > spi-nor< / span > ： < / li >
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< / ul >
< / td >
< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__1" > < p class = "- topic/p p" data-ofbid = "d106974e122__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > size< / span > < / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__2" > < p class = "- topic/p p" data-ofbid = "d106974e127__20250519091516" > String< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__3" > < p class = "- topic/p p" data-ofbid = "d106974e131__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > 存储设备< / span > 的存储大小 (byte)，可设置。设备的存储大小 (Byte)，单位可为 K、M 或 G
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， ， < / p > < / td >
< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__1" > < p class = "- topic/p p" data-ofbid = "d106974e140__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > partitions< / span > < / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__2" > < p class = "- topic/p p" data-ofbid = "d106974e145__20250519091516" > Object< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__3" > < p class = "- topic/p p" data-ofbid = "d106974e149__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > 分区表< / span > 对象。包含该存储设备的详细分区列表，每一个子对象为一个分区。< / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__1" > < p class = "- topic/p p" data-ofbid = "d106974e158__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > offset< / span > < / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__2" > < p class = "- topic/p p" data-ofbid = "d106974e163__20250519091516" > String< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__3" > < p class = "- topic/p p" data-ofbid = "d106974e167__20250519091516" > 16 进制字符串。表示该分区 的开始位置离存储设备
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的开始位置的偏移（字节）。如果此字段未出现，表示当前分区紧接上一个分区。< / p > < / td >
< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__1" > < p class = "- topic/p p" data-ofbid = "d106974e174__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > size< / span > < / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__2" > < p class = "- topic/p p" data-ofbid = "d106974e179__20250519091516" > String< / p > < / td >
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< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__3" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > size< / span > ：设备的存储大小 (Byte)，单位可为 K、M 或 G
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， ， < p class = "- topic/p p" data-ofbid = "d106974e186__20250519091516" > 最后一个分区可以使用 “-” 表示使用剩下所有的空间。< / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-0" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__1" > < p class = "- topic/p p" data-ofbid = "d106974e194__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > ubi< / span > < / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-0" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__2" > < p class = "- topic/p p" data-ofbid = "d106974e199__20250519091516" > Object< / p > < / td >
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< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "concept_mtx_tk3_pzb__table_p1q_b2c_jzb__entry__3" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > UBI Volume< / span > 对象。当存储设备为
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< kbd class = "+ topic/ph sw-d/userinput ph userinput" > spi-nand< / kbd > 时出现，表示当前 MTD 分区是一个 UBI 设备。该对象描述 UBI
设备中的 Volume 表。每一个子对象为一个 < span class = "+ topic/keyword pr-d/parmname keyword parmname" > UBI Volume< / span >
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。< div class = "- topic/p p" data-ofbid = "d106974e212__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > UBI Volume< / span > 对象：< ul class = "- topic/ul ul" id = "concept_mtx_tk3_pzb__ul_axq_pfc_jzb" data-ofbid = "concept_mtx_tk3_pzb__ul_axq_pfc_jzb" >
< li class = "- topic/li li" data-ofbid = "d106974e218__20250519091516" > < span class = "+ topic/ph ui-d/uicontrol ph uicontrol" > offset< / span > ：值为 16 进制字符串。表示该
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< span class = "+ topic/keyword pr-d/parmname keyword parmname" > Volume< / span > 的开始位置离
< span class = "+ topic/keyword pr-d/parmname keyword parmname" > MTD< / span > 分区的开始位置的偏移（字节）。如果
< span class = "+ topic/keyword pr-d/parmname keyword parmname" > offset< / span > 不出现，表示当前 Volume 紧接上一个
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Volume。< / li >
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< li class = "- topic/li li" data-ofbid = "d106974e232__20250519091516" > < span class = "+ topic/keyword pr-d/parmname keyword parmname" > size< / span > ：设备的存储大小 (byte)，单位为 K、M 或 G
， ， < p class = "- topic/p p" data-ofbid = "d106974e236__20250519091516" > 最后一个分区可以使用 “-” 表示使用剩下所有的空间。< / p > < / li >
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< / ul > < / div > < / td >
< / tr >
< / tbody > < / table > < / div >
< / div >
< / article > < / main > < / div >
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< / div >
< / div >
< / div >
< / div >
< footer class = "navbar navbar-default wh_footer" >
< div class = " footer-container mx-auto " >
< title > footer def< / title >
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< style >
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.p1 {
font-family: FangZhengShuSong, Times, serif;
}
.p2 {
font-family: Arial, Helvetica, sans-serif;
}
.p3 {
font-family: "Lucida Console", "Courier New", monospace;
}
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< / style >
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< div class = "webhelp.fragment.footer" >
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< p class = "p1" > Copyright © 2019-2025 广东匠芯创科技有限公司. All rights reserved.< / p >
< / div >
< div >
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< div class = "generation_time" >
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Update Time: 2025-05-19
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< / div >
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< / div >
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< / div >
< / footer >
< div id = "go2top" class = "d-print-none" >
< span class = "oxy-icon oxy-icon-up" > < / span >
< / div >
< div id = "modal_img_large" class = "modal" >
< span class = "close oxy-icon oxy-icon-remove" > < / span >
< div id = "modal_img_container" > < / div >
< div id = "caption" > < / div >
< / div >
< script src = "${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer = "defer" > < / script >
< / body >
< / html >
