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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></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/boot/uboot-aic-boot-image-format.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">AIC
|
||
启动镜像格式</h1>
|
||
|
||
<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
|
||
Read time: 3 minute(s)
|
||
</div>
|
||
<div class="- topic/body concept/conbody body conbody">
|
||
<p class="- topic/p p" data-ofbid="d109149e33__20250123155209">ArtInChip BROM 所使用的启动镜像格式。</p>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="aic__id2" data-ofbid="aic__id2" data-cols="5"><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">AIC 启动镜像格式</span></caption><colgroup><col style="width:14.285714285714285%"/><col style="width:14.285714285714285%"/><col style="width:14.285714285714285%"/><col style="width:14.285714285714285%"/><col style="width:42.857142857142854%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="aic__id2__entry__1">数据区域</th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="aic__id2__entry__2">数据分块</th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="aic__id2__entry__3">字段</th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="aic__id2__entry__4">字节</th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="aic__id2__entry__5">描述</th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__1" rowspan="28">Signed Area</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__2" rowspan="21">
|
||
<p class="- topic/p p" data-ofbid="d109149e84__20250123155209">Block1</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e87__20250123155209">(256B)</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Magic</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">特征字符串，固定为 ”AIC ”</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Checksum</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">32 bit 累加和校验的校验值。安全启动方案设为 0.</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Header version</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">本文件头结构的版本号，当前版本为 v1.0: 0x00010001</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Image length</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">从文件开头到结束的总数据长度</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Firmware version</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">固件版本号，不同版本之间应单调递增</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Loader length</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">第一级引导程序的有效数据的长度，不包括填充数据</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Load address</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">镜像数据加载到内存的目标地址</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Entry point</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">第一级引导程序的可执行代码入口地址</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Signature algorithm</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">0：没有签名，仅计算 Checksum。1：RSA-2048。</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Encryption algorithm</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">0：固件不加密。1：AES-128-CBC 加密</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Signature result offset</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">数字签名数据区域的偏移，从文件头开始计算</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Signature result length</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">数字签名的长度</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Signature key offset</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">RSA 公钥数据区域的偏移</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Signature key length</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">RSA 公钥数据的长度</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">IV data offset</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">AES-CBC IV 数据区域的偏移</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">IV data length</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">IV 的长度</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Private data offset</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">第一级引导程序私有数据区域的偏移</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Private data length</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">第一级引导程序私有数据区域的长度</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">PBP offset</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">PBP 数据区域的偏移</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">PBP length</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">PBP 数据的长度</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Padding</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">176</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">填充，使得头部刚好 256 字节</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__2" rowspan="2">Block2</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Loader binary data</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">X</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">第一级引导程序的保存区域</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Padding</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">X</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">增加填充，使得 256 字节对齐</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__2" rowspan="5">Block3</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Private data area</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">X</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">存放镜像代码中可能使用的私有数据。</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Signature key area</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">X</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">存放 RSA 公钥，DER 格式的密钥文件。应 4 字节对齐。</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">IV data area</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">16</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">存放 AES IV 数据，16 字节。应 4 字节对齐。</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">PBP area</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">X</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">存放 PBP 程序。应 16 字节对齐。</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Padding</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">X</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">填充，使得 256 byte 对齐，方便计算数字签名</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__1">-</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__2">Block4</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__3">Signature result area</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__4">256</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id2__entry__5">前面所有内容的数字签名</td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<p class="- topic/p p" data-ofbid="d109149e456__20250123155209">对于 NAND，在保存第一级引导程序的时候，还会在每个 NAND Block 的第一个 Page 生成 Page Table。Page Table
|
||
的作用是用于快速索引镜像数据所在的不同备份 Page 地址。</p>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="aic__id3" data-ofbid="aic__id3" data-cols="6"><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"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">NAND Page Table 格式</span></caption><colgroup><col style="width:9.090909090909092%"/><col style="width:18.181818181818183%"/><col style="width:18.181818181818183%"/><col style="width:18.181818181818183%"/><col style="width:18.181818181818183%"/><col style="width:18.181818181818183%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="aic__id3__entry__1">Index</th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="aic__id3__entry__2" colspan="5">Content (20 Bytes)</th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__1">0</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">Magic(4 Bytes)</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">Count(4 Bytes)</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2" colspan="3">Padding (12 Bytes)</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__1">1</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d109149e515__20250123155209">PA(4 Bytes)</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e518__20250123155209">(Backup 0)</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d109149e524__20250123155209">PA(4 Bytes)</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e527__20250123155209">(Backup 1)</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d109149e533__20250123155209">PA(4 Bytes)</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e536__20250123155209">(Backup 2)</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d109149e542__20250123155209">PA(4 Bytes)</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e545__20250123155209">(Backup 3)</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d109149e552__20250123155209">Checksum</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e555__20250123155209">(4 Bytes)</p>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__1">2</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d109149e567__20250123155209">PA(4 Bytes)</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e570__20250123155209">(Backup 0)</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d109149e576__20250123155209">PA(4 Bytes)</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e579__20250123155209">(Backup 1)</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d109149e585__20250123155209">PA(4 Bytes)</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e588__20250123155209">(Backup 2)</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d109149e594__20250123155209">PA(4 Bytes)</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e597__20250123155209">(Backup 3)</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d109149e604__20250123155209">Checksum</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e607__20250123155209">(4 Bytes)</p>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__1">…</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">…</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">…</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">…</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">…</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="aic__id3__entry__2">…</td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<p class="- topic/p p" data-ofbid="d109149e637__20250123155209">Magic 开头的 20 字节，是 Page Table 的头信息，其中 Magic 的值固定为 “AICP”， Count 表示 BootLoader 的数据被分为几个
|
||
Page 进行保存。</p>
|
||
<p class="- topic/p p" data-ofbid="d109149e641__20250123155209">从 Index 1 表示 BootLoader 的第一个 Page 数据有 4 个备份，被分别存放在对应 PA(Page address) 所指的 NAND Page
|
||
中，Checksum 值是该 Page 数据的校验值。</p>
|
||
</div>
|
||
</article></main></div>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
|
||
|
||
</div>
|
||
<footer class="navbar navbar-default wh_footer">
|
||
<div class=" footer-container mx-auto ">
|
||
<title>footer def</title>
|
||
<style><!--
|
||
|
||
.p1 {
|
||
font-family: FangZhengShuSong, Times, serif;
|
||
}
|
||
.p2 {
|
||
font-family: Arial, Helvetica, sans-serif;
|
||
}
|
||
.p3 {
|
||
font-family: "Lucida Console", "Courier New", monospace;
|
||
}
|
||
|
||
--></style>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<div class="webhelp.fragment.footer">
|
||
<p class="p1">Copyright © 2019-2024 广东匠芯创科技有限公司. All rights reserved.</p>
|
||
</div><div>
|
||
<div class="generation_time">
|
||
Update Time: 2025-01-23
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</footer>
|
||
|
||
<button id="go2top" class="d-print-none" title="返回顶部">
|
||
<span class="oxy-icon oxy-icon-up"></span>
|
||
</button>
|
||
|
||
<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> |