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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/boot/uboot-riscv-spl.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">RISCV SPL</h1><div class="date inPage">7 Nov 2024</div><div style="color: gray;"></div><div class="- topic/body concept/conbody body conbody"><p class="- topic/p p" data-ofbid="d66727e22__20250121171522">SPL BSS 的配置</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="riscvSpl__pre_rrj_k1h_bzb" data-ofbid="riscvSpl__pre_rrj_k1h_bzb">CONFIG_SPL_TEXT_BASE=<span class="hl-number">0x103100</span>
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CONFIG_SPL_SIZE_LIMIT=<span class="hl-number">0x10000</span>
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#<span class="hl-directive">define</span> CONFIG_SPL_MAX_SIZE (CONFIG_SPL_SIZE_LIMIT)
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#<span class="hl-directive">define</span> CONFIG_SPL_STACK (_SRAM_BASE + _SRAM_SIZE)
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#<span class="hl-directive">define</span> CONFIG_SPL_BSS_START_ADDR (CONFIG_SPL_TEXT_BASE + CONFIG_SPL_MAX_SIZE)
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#<span class="hl-directive">define</span> CONFIG_SPL_BSS_MAX_SIZE <span class="hl-number">0x00002000</span> <em class="hl-comment">/* 8 KiB */</em>
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</pre><p class="- topic/p p" data-ofbid="d66727e26__20250121171522">即 BSS 从 0x113100 开始，后续还有 SPL STACK 的空间，HEAP 的空间。</p><p class="- topic/p p" data-ofbid="d66727e28__20250121171522">对于 spl.aic 文件，在 spl.bin 的后面还存放着其他的资源数据，如果该数据需要在 SPL 阶段使用， 则需要注意，在 SPL 运行时，资源数据的区域与 BSS
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区域不能重合，不然会有数据错误。</p></div></article></main></div>
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