mirror of
https://github.com/mytechnotalent/Embedded-Hacking.git
synced 2026-05-19 22:38:05 +02:00
Kevin Thomas
90 lines
4.2 KiB
XML
90 lines
4.2 KiB
XML
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800">
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<style>
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.bg{fill:#0a0a0f}.pnl{fill:#12121a;stroke:#1a1a2e}.hdr{fill:#12121a}
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.title{font:bold 42px 'Courier New',monospace;fill:#00ff41}
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.sub{font:bold 28px 'Courier New',monospace;fill:#00d4ff}
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.txt{font:24px 'Courier New',monospace;fill:#c0c0c0}
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.dim{font:20px 'Courier New',monospace;fill:#888}
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.grn{font:bold 24px 'Courier New',monospace;fill:#00ff41}
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.red{font:bold 24px 'Courier New',monospace;fill:#ff0040}
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.cyn{font:bold 24px 'Courier New',monospace;fill:#00d4ff}
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.amb{font:bold 24px 'Courier New',monospace;fill:#ffaa00}
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.badge{stroke:#00ff41;rx:14}
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</style>
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<rect class="bg" width="1200" height="800"/>
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<!-- Title -->
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<text x="600" y="52" text-anchor="middle" class="title">XIP Flash Model</text>
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<text x="600" y="88" text-anchor="middle" class="dim">Execute-in-Place</text>
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<!-- Left Panel: Flow Diagram -->
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<rect x="30" y="105" width="540" height="675" class="pnl" rx="8"/>
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<text x="300" y="148" text-anchor="middle" class="sub">Execute-In-Place</text>
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<line x1="50" y1="163" x2="550" y2="163" stroke="#1a1a2e"/>
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<!-- External Flash chip -->
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<rect x="120" y="190" width="300" height="65" rx="6" fill="#1a1a0f" stroke="#ffaa00" stroke-width="2"/>
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<text x="270" y="223" text-anchor="middle" class="amb">QSPI Flash</text>
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<text x="270" y="245" text-anchor="middle" class="dim">External 16MB</text>
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<!-- Arrow down -->
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<line x1="270" y1="255" x2="270" y2="300" stroke="#ffaa00" stroke-width="3"/>
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<polygon points="258,300 270,325 282,300" fill="#ffaa00"/>
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<!-- QSPI Controller -->
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<rect x="120" y="330" width="300" height="55" rx="6" fill="#0f0f1a" stroke="#00d4ff" stroke-width="2"/>
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<text x="270" y="362" text-anchor="middle" class="cyn">QSPI Controller</text>
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<!-- Arrow down -->
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<line x1="270" y1="385" x2="270" y2="420" stroke="#00d4ff" stroke-width="3"/>
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<polygon points="258,420 270,445 282,420" fill="#00d4ff"/>
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<!-- XIP Cache -->
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<rect x="120" y="450" width="300" height="65" rx="6" fill="#0f1a0f" stroke="#00ff41" stroke-width="2"/>
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<text x="270" y="483" text-anchor="middle" class="grn">XIP Cache</text>
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<text x="270" y="505" text-anchor="middle" class="dim">16KB cache</text>
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<!-- Arrow down -->
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<line x1="270" y1="515" x2="270" y2="555" stroke="#00ff41" stroke-width="3"/>
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<polygon points="258,555 270,580 282,555" fill="#00ff41"/>
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<!-- CPU -->
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<rect x="120" y="585" width="300" height="65" rx="6" fill="#1a0f0f" stroke="#ff0040" stroke-width="2"/>
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<text x="270" y="618" text-anchor="middle" class="red">Cortex-M33 CPU</text>
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<text x="270" y="640" text-anchor="middle" class="dim">Fetches via PC</text>
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<!-- Mapped address note -->
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<text x="300" y="710" text-anchor="middle" class="txt">Mapped at</text>
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<text x="300" y="745" text-anchor="middle" class="amb">0x1000_0000</text>
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<!-- Right Panel: Details -->
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<rect x="600" y="105" width="570" height="675" class="pnl" rx="8"/>
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<text x="885" y="148" text-anchor="middle" class="sub">Key Details</text>
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<line x1="620" y1="163" x2="1150" y2="163" stroke="#1a1a2e"/>
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<text x="625" y="205" class="grn">What is XIP?</text>
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<text x="625" y="240" class="txt">Code stays in flash</text>
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<text x="625" y="272" class="txt">CPU reads it as if</text>
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<text x="625" y="304" class="txt">it were normal memory</text>
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<text x="625" y="336" class="dim">No copy to SRAM needed</text>
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<line x1="620" y1="364" x2="1150" y2="364" stroke="#1a1a2e"/>
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<text x="625" y="404" class="cyn">QSPI Interface</text>
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<text x="625" y="439" class="txt">4 data lines</text>
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<text x="625" y="471" class="txt">Fast serial flash</text>
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<text x="625" y="503" class="dim">CLK, CS, IO0-IO3</text>
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<line x1="620" y1="531" x2="1150" y2="531" stroke="#1a1a2e"/>
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<text x="625" y="571" class="amb">Cache Behavior</text>
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<text x="625" y="603" class="txt">Used for XIP flash reads</text>
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<text x="625" y="633" class="dim">(code + const data at 0x1000....)</text>
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<text x="625" y="663" class="txt">Not used for SRAM/peripherals</text>
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<text x="625" y="693" class="dim">or during flash program/erase</text>
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<line x1="620" y1="698" x2="1150" y2="698" stroke="#1a1a2e"/>
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<text x="625" y="738" class="red">RE Insight</text>
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<text x="625" y="773" class="dim">Dump flash via SWD</text>
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</svg> |
