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Initial commit with strict idiomatic rust enforcement
This commit is contained in:
Kevin Thomas
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<text x="600" y="278" text-anchor="middle" font-family="'Courier New',monospace" font-size="56" font-weight="bold" fill="#00ff41">Reverse Engineering</text>
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<text x="600" y="380" text-anchor="middle" font-family="'Courier New',monospace" font-size="42" font-weight="bold" fill="#00d4ff">// WEEK 03</text>
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<text x="600" y="440" text-anchor="middle" font-family="'Courier New',monospace" font-size="28" fill="#c0c0c0">Embedded System Analysis:</text>
|
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<text x="600" y="478" text-anchor="middle" font-family="'Courier New',monospace" font-size="28" fill="#c0c0c0">Understanding the RP2350 Architecture</text>
|
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<text x="600" y="516" text-anchor="middle" font-family="'Courier New',monospace" font-size="28" fill="#c0c0c0">w/ Comprehensive Firmware Analysis</text>
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<text x="600" y="697" text-anchor="middle" font-family="'Courier New',monospace" font-size="20" fill="#00ff41" opacity="0.7">RP2350 // ARM Cortex-M33</text>
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<!-- Step 1 -->
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<text x="60" y="167" class="dim">Cortex-M33 wakes, execution at 0x00000000 (Bootrom)</text>
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<text x="60" y="265" class="dim">32KB on-chip ROM — finds IMAGE_DEF at 0x10000000</text>
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<!-- Arrow -->
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<!-- Arrow -->
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<!-- Step 5 -->
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<text x="60" y="695" class="sub">Key Insight</text>
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<text x="60" y="730" class="txt">Your main() is the LAST thing to run.</text>
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@@ -0,0 +1,84 @@
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<!-- Title -->
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<text x="600" y="52" text-anchor="middle" class="title">The Bootrom</text>
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<text x="600" y="88" text-anchor="middle" class="dim">32KB Factory-Programmed ROM — Where It All Begins</text>
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<text x="75" y="198" class="txt">Size</text>
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||||
<text x="340" y="198" class="grn">32 KB</text>
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||||
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||||
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||||
<text x="75" y="250" class="txt">Location</text>
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||||
<text x="340" y="250" class="cyn">0x00000000</text>
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||||
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<text x="75" y="302" class="txt">Modifiable?</text>
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<text x="75" y="354" class="txt">Purpose</text>
|
||||
<text x="340" y="354" class="amb">Boot the chip</text>
|
||||
|
||||
<text x="60" y="420" class="dim">Burned into silicon at factory</text>
|
||||
<text x="60" y="445" class="dim">Like BIOS in your computer</text>
|
||||
|
||||
<!-- Right Panel: What It Does -->
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||||
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<text x="640" y="148" class="sub">What It Does</text>
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||||
<text x="655" y="198" class="grn">1.</text>
|
||||
<text x="700" y="198" class="txt">Initialize hardware</text>
|
||||
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|
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<text x="655" y="250" class="grn">2.</text>
|
||||
<text x="700" y="250" class="txt">Check boot sources</text>
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<text x="655" y="302" class="grn">3.</text>
|
||||
<text x="700" y="302" class="txt">Validate IMAGE_DEF</text>
|
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<text x="655" y="354" class="grn">4.</text>
|
||||
<text x="700" y="354" class="txt">Configure flash</text>
|
||||
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||||
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|
||||
<text x="655" y="406" class="grn">5.</text>
|
||||
<text x="700" y="406" class="txt">Jump to your code</text>
|
||||
|
||||
<!-- Bottom Panel: IMAGE_DEF -->
|
||||
<rect x="40" y="475" width="1120" height="295" rx="8" class="pnl"/>
|
||||
<text x="60" y="513" class="sub">IMAGE_DEF — Magic Markers</text>
|
||||
<text x="60" y="548" class="dim">Bootrom looks for these to validate firmware</text>
|
||||
|
||||
<rect x="60" y="565" width="1080" height="50" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="80" y="598" class="grn">Start Marker</text>
|
||||
<text x="380" y="598" class="cyn">0xFFFFDED3</text>
|
||||
<text x="680" y="598" class="dim">"I'm a valid Pico binary!"</text>
|
||||
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||||
<rect x="60" y="625" width="1080" height="50" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="2"/>
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||||
<text x="80" y="658" class="grn">End Marker</text>
|
||||
<text x="380" y="658" class="cyn">0xAB123579</text>
|
||||
<text x="680" y="658" class="dim">"End of header block"</text>
|
||||
|
||||
<text x="60" y="718" class="txt">Bootrom reads flash at 0x10000000,</text>
|
||||
<text x="60" y="748" class="txt">finds these markers, then boots.</text>
|
||||
</svg>
|
||||
|
After Width: | Height: | Size: 3.9 KiB |
@@ -0,0 +1,74 @@
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<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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.sub{font:bold 28px 'Courier New',monospace;fill:#00d4ff}
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<rect class="bg" width="1200" height="800"/>
|
||||
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||||
<!-- Title -->
|
||||
<text x="600" y="52" text-anchor="middle" class="title">XIP — Execute In Place</text>
|
||||
<text x="600" y="88" text-anchor="middle" class="dim">Run Code Directly from Flash — No Copy Needed</text>
|
||||
|
||||
<!-- Left Panel: Analogy -->
|
||||
<rect x="40" y="110" width="540" height="220" rx="8" class="pnl"/>
|
||||
<text x="60" y="148" class="sub">Book Analogy</text>
|
||||
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||||
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|
||||
<text x="75" y="195" class="red">Without XIP</text>
|
||||
<text x="75" y="220" class="dim">Photocopy every page, read copy</text>
|
||||
|
||||
<rect x="60" y="240" width="500" height="60" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="1"/>
|
||||
<text x="75" y="267" class="grn">With XIP</text>
|
||||
<text x="75" y="292" class="dim">Read directly from the book!</text>
|
||||
|
||||
<!-- Right Panel: Advantages -->
|
||||
<rect x="620" y="110" width="540" height="220" rx="8" class="pnl"/>
|
||||
<text x="640" y="148" class="sub">Why Use XIP?</text>
|
||||
|
||||
<rect x="640" y="168" width="500" height="42" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="655" y="196" class="grn">Saves RAM</text>
|
||||
<text x="900" y="196" class="dim">Code stays in flash</text>
|
||||
|
||||
<rect x="640" y="220" width="500" height="42" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="655" y="248" class="grn">Faster Boot</text>
|
||||
<text x="900" y="248" class="dim">No bulk copy needed</text>
|
||||
|
||||
<rect x="640" y="272" width="500" height="42" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="655" y="300" class="grn">Simpler</text>
|
||||
<text x="900" y="300" class="dim">Less memory mgmt</text>
|
||||
|
||||
<!-- Bottom Panel: Flash Layout at 0x10000000 -->
|
||||
<rect x="40" y="355" width="1120" height="415" rx="8" class="pnl"/>
|
||||
<text x="60" y="393" class="sub">XIP Flash Region at 0x10000000</text>
|
||||
|
||||
<!-- Vector Table block -->
|
||||
<rect x="60" y="415" width="1080" height="80" rx="4" fill="#0f1a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="80" y="445" class="grn">Vector Table</text>
|
||||
<text x="80" y="475" class="dim">SP at offset 0x00 | Reset Handler at offset 0x04 | Exception handlers...</text>
|
||||
|
||||
<!-- Your Code block -->
|
||||
<rect x="60" y="510" width="1080" height="80" rx="4" fill="#0a0a0f" stroke="#00d4ff" stroke-width="2"/>
|
||||
<text x="80" y="540" class="cyn">Your Code</text>
|
||||
<text x="80" y="570" class="dim">_reset_handler | main() | other functions</text>
|
||||
|
||||
<!-- Read-Only Data block -->
|
||||
<rect x="60" y="605" width="1080" height="80" rx="4" fill="#0a0a0f" stroke="#ffaa00" stroke-width="2"/>
|
||||
<text x="80" y="635" class="amb">Read-Only Data</text>
|
||||
<text x="80" y="665" class="dim">Strings like "hello, world" | constant values</text>
|
||||
|
||||
<!-- Address labels -->
|
||||
<text x="1040" y="445" class="dim" text-anchor="end">0x10000000</text>
|
||||
<text x="1040" y="540" class="dim" text-anchor="end">0x100001xx</text>
|
||||
<text x="1040" y="635" class="dim" text-anchor="end">0x10001xxx</text>
|
||||
|
||||
<text x="60" y="730" class="txt">CPU fetches instructions directly</text>
|
||||
<text x="60" y="760" class="txt">from flash via XIP cache.</text>
|
||||
</svg>
|
||||
|
After Width: | Height: | Size: 3.6 KiB |
@@ -0,0 +1,80 @@
|
||||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800">
|
||||
<style>
|
||||
.bg{fill:#0a0a0f}.pnl{fill:#12121a;stroke:#1a1a2e}.hdr{fill:#12121a}
|
||||
.title{font:bold 42px 'Courier New',monospace;fill:#00ff41}
|
||||
.sub{font:bold 28px 'Courier New',monospace;fill:#00d4ff}
|
||||
.txt{font:24px 'Courier New',monospace;fill:#c0c0c0}
|
||||
.dim{font:20px 'Courier New',monospace;fill:#888}
|
||||
.grn{font:bold 24px 'Courier New',monospace;fill:#00ff41}
|
||||
.red{font:bold 24px 'Courier New',monospace;fill:#ff0040}
|
||||
.cyn{font:bold 24px 'Courier New',monospace;fill:#00d4ff}
|
||||
.amb{font:bold 24px 'Courier New',monospace;fill:#ffaa00}
|
||||
.badge{stroke:#00ff41;rx:14}
|
||||
</style>
|
||||
<rect class="bg" width="1200" height="800"/>
|
||||
|
||||
<!-- Title -->
|
||||
<text x="600" y="52" text-anchor="middle" class="title">The Vector Table</text>
|
||||
<text x="600" y="88" text-anchor="middle" class="dim">CPU's Instruction Manual at 0x10000000</text>
|
||||
|
||||
<!-- Main Panel -->
|
||||
<rect x="40" y="110" width="1120" height="440" rx="8" class="pnl"/>
|
||||
<text x="60" y="148" class="sub">Vector Table Layout</text>
|
||||
|
||||
<!-- Header row -->
|
||||
<rect x="60" y="168" width="1080" height="42" rx="4" fill="#1a1a2e"/>
|
||||
<text x="80" y="196" class="cyn">Offset</text>
|
||||
<text x="220" y="196" class="cyn">Address</text>
|
||||
<text x="440" y="196" class="cyn">Value</text>
|
||||
<text x="680" y="196" class="cyn">Meaning</text>
|
||||
|
||||
<!-- Row 0x00 -->
|
||||
<rect x="60" y="220" width="1080" height="50" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="80" y="252" class="grn">0x00</text>
|
||||
<text x="220" y="252" class="txt">0x10000000</text>
|
||||
<text x="440" y="252" class="grn">0x20082000</text>
|
||||
<text x="680" y="252" class="txt">Initial SP</text>
|
||||
|
||||
<!-- Row 0x04 -->
|
||||
<rect x="60" y="280" width="1080" height="50" rx="4" fill="#0a0a0f" stroke="#00d4ff" stroke-width="2"/>
|
||||
<text x="80" y="312" class="cyn">0x04</text>
|
||||
<text x="220" y="312" class="txt">0x10000004</text>
|
||||
<text x="440" y="312" class="cyn">0x1000015D</text>
|
||||
<text x="680" y="312" class="txt">Reset Handler</text>
|
||||
|
||||
<!-- Row 0x08 -->
|
||||
<rect x="60" y="340" width="1080" height="50" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="80" y="372" class="dim">0x08</text>
|
||||
<text x="220" y="372" class="txt">0x10000008</text>
|
||||
<text x="440" y="372" class="txt">0x1000011B</text>
|
||||
<text x="680" y="372" class="txt">NMI Handler</text>
|
||||
|
||||
<!-- Row 0x0C -->
|
||||
<rect x="60" y="400" width="1080" height="50" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="80" y="432" class="dim">0x0C</text>
|
||||
<text x="220" y="432" class="txt">0x1000000C</text>
|
||||
<text x="440" y="432" class="txt">0x1000011D</text>
|
||||
<text x="680" y="432" class="txt">HardFault Handler</text>
|
||||
|
||||
<!-- GDB command -->
|
||||
<rect x="60" y="470" width="1080" height="50" rx="4" fill="#0a0a0f" stroke="#ffaa00" stroke-width="1"/>
|
||||
<text x="80" y="502" class="amb">GDB:</text>
|
||||
<text x="180" y="502" class="txt">x/4x 0x10000000</text>
|
||||
|
||||
<!-- Bottom Panel: What happens -->
|
||||
<rect x="40" y="575" width="540" height="195" rx="8" class="pnl"/>
|
||||
<text x="60" y="613" class="sub">On Power-On</text>
|
||||
<text x="60" y="650" class="txt">1. CPU reads SP from 0x00</text>
|
||||
<text x="60" y="682" class="txt">2. Sets SP = 0x20082000</text>
|
||||
<text x="60" y="714" class="txt">3. Reads Reset from 0x04</text>
|
||||
<text x="60" y="746" class="txt">4. Jumps to 0x1000015C</text>
|
||||
|
||||
<!-- Bottom Right: Handlers -->
|
||||
<rect x="620" y="575" width="540" height="195" rx="8" class="pnl"/>
|
||||
<text x="640" y="613" class="sub">Default Handlers</text>
|
||||
<text x="640" y="650" class="txt">NMI, HardFault, SVCall,</text>
|
||||
<text x="640" y="682" class="txt">PendSV, SysTick all use:</text>
|
||||
<rect x="660" y="700" width="480" height="42" rx="4" fill="#0a0a0f" stroke="#ff0040" stroke-width="1"/>
|
||||
<text x="680" y="728" class="red">bkpt 0x0000</text>
|
||||
<text x="880" y="728" class="dim"><- stops debugger</text>
|
||||
</svg>
|
||||
@@ -0,0 +1,70 @@
|
||||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800">
|
||||
<style>
|
||||
.bg{fill:#0a0a0f}.pnl{fill:#12121a;stroke:#1a1a2e}.hdr{fill:#12121a}
|
||||
.title{font:bold 42px 'Courier New',monospace;fill:#00ff41}
|
||||
.sub{font:bold 28px 'Courier New',monospace;fill:#00d4ff}
|
||||
.txt{font:24px 'Courier New',monospace;fill:#c0c0c0}
|
||||
.dim{font:20px 'Courier New',monospace;fill:#888}
|
||||
.grn{font:bold 24px 'Courier New',monospace;fill:#00ff41}
|
||||
.red{font:bold 24px 'Courier New',monospace;fill:#ff0040}
|
||||
.cyn{font:bold 24px 'Courier New',monospace;fill:#00d4ff}
|
||||
.amb{font:bold 24px 'Courier New',monospace;fill:#ffaa00}
|
||||
.badge{stroke:#00ff41;rx:14}
|
||||
</style>
|
||||
<rect class="bg" width="1200" height="800"/>
|
||||
|
||||
<!-- Title -->
|
||||
<text x="600" y="52" text-anchor="middle" class="title">Thumb Mode Addressing</text>
|
||||
<text x="600" y="88" text-anchor="middle" class="dim">Why Addresses End in Odd Numbers</text>
|
||||
|
||||
<!-- Top Panel: The Rule -->
|
||||
<rect x="40" y="110" width="1120" height="200" rx="8" class="pnl"/>
|
||||
<text x="60" y="148" class="sub">The LSB Rule</text>
|
||||
<text x="60" y="185" class="txt">ARM Cortex-M uses the Least Significant</text>
|
||||
<text x="60" y="215" class="txt">Bit (LSB) to indicate instruction mode:</text>
|
||||
|
||||
<!-- LSB = 1 -->
|
||||
<rect x="60" y="240" width="520" height="50" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="80" y="272" class="grn">LSB = 1 (odd)</text>
|
||||
<text x="370" y="272" class="txt">Thumb mode</text>
|
||||
|
||||
<!-- LSB = 0 -->
|
||||
<rect x="620" y="240" width="520" height="50" rx="4" fill="#0a0a0f" stroke="#ff0040" stroke-width="1"/>
|
||||
<text x="640" y="272" class="red">LSB = 0 (even)</text>
|
||||
<text x="940" y="272" class="dim">ARM mode</text>
|
||||
|
||||
<!-- Middle Panel: Example -->
|
||||
<rect x="40" y="335" width="1120" height="210" rx="8" class="pnl"/>
|
||||
<text x="60" y="373" class="sub">Reset Handler Example</text>
|
||||
|
||||
<text x="60" y="415" class="txt">Vector table stores:</text>
|
||||
<text x="460" y="415" class="cyn">0x1000015D</text>
|
||||
|
||||
<text x="60" y="460" class="txt">Actual code address:</text>
|
||||
<text x="460" y="460" class="grn">0x1000015C</text>
|
||||
|
||||
<text x="60" y="505" class="txt">The +1 means:</text>
|
||||
<text x="460" y="505" class="amb">"Use Thumb mode"</text>
|
||||
|
||||
<!-- Bottom: GDB vs Ghidra -->
|
||||
<rect x="40" y="570" width="540" height="200" rx="8" class="pnl"/>
|
||||
<text x="60" y="608" class="sub">GDB Shows</text>
|
||||
<rect x="60" y="625" width="500" height="50" rx="4" fill="#0a0a0f" stroke="#00d4ff" stroke-width="1"/>
|
||||
<text x="80" y="657" class="cyn">0x1000015D</text>
|
||||
<text x="320" y="657" class="dim">with Thumb bit</text>
|
||||
|
||||
<rect x="60" y="685" width="500" height="50" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="80" y="717" class="txt">Vector table raw value</text>
|
||||
|
||||
<!-- Ghidra -->
|
||||
<rect x="620" y="570" width="540" height="200" rx="8" class="pnl"/>
|
||||
<text x="640" y="608" class="sub">Ghidra Shows</text>
|
||||
<rect x="640" y="625" width="500" height="50" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="1"/>
|
||||
<text x="660" y="657" class="grn">0x1000015C</text>
|
||||
<text x="900" y="657" class="dim">actual address</text>
|
||||
|
||||
<rect x="640" y="685" width="500" height="50" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="660" y="717" class="txt">Real instruction location</text>
|
||||
|
||||
<text x="600" y="757" text-anchor="middle" class="amb">Both are correct — just displayed differently!</text>
|
||||
</svg>
|
||||
|
After Width: | Height: | Size: 3.2 KiB |
@@ -0,0 +1,69 @@
|
||||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800">
|
||||
<style>
|
||||
.bg{fill:#0a0a0f}.pnl{fill:#12121a;stroke:#1a1a2e}.hdr{fill:#12121a}
|
||||
.title{font:bold 42px 'Courier New',monospace;fill:#00ff41}
|
||||
.sub{font:bold 28px 'Courier New',monospace;fill:#00d4ff}
|
||||
.txt{font:24px 'Courier New',monospace;fill:#c0c0c0}
|
||||
.dim{font:20px 'Courier New',monospace;fill:#888}
|
||||
.grn{font:bold 24px 'Courier New',monospace;fill:#00ff41}
|
||||
.red{font:bold 24px 'Courier New',monospace;fill:#ff0040}
|
||||
.cyn{font:bold 24px 'Courier New',monospace;fill:#00d4ff}
|
||||
.amb{font:bold 24px 'Courier New',monospace;fill:#ffaa00}
|
||||
.badge{stroke:#00ff41;rx:14}
|
||||
</style>
|
||||
<rect class="bg" width="1200" height="800"/>
|
||||
|
||||
<!-- Title -->
|
||||
<text x="600" y="52" text-anchor="middle" class="title">Linker Script Memory Map</text>
|
||||
<text x="600" y="88" text-anchor="middle" class="dim">memmap_default.ld — Where Everything Lives</text>
|
||||
|
||||
<!-- Main Panel: Memory Regions -->
|
||||
<rect x="40" y="110" width="1120" height="380" rx="8" class="pnl"/>
|
||||
<text x="60" y="148" class="sub">Memory Regions</text>
|
||||
|
||||
<!-- Flash -->
|
||||
<rect x="60" y="168" width="1080" height="60" rx="4" fill="#0f1a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="80" y="198" class="grn">Flash (XIP)</text>
|
||||
<text x="380" y="198" class="cyn">0x10000000</text>
|
||||
<text x="640" y="198" class="txt">varies</text>
|
||||
<text x="820" y="198" class="dim">Your code (read-only)</text>
|
||||
|
||||
<!-- RAM -->
|
||||
<rect x="60" y="240" width="1080" height="60" rx="4" fill="#0a0a1f" stroke="#00d4ff" stroke-width="2"/>
|
||||
<text x="80" y="270" class="cyn">RAM</text>
|
||||
<text x="380" y="270" class="cyn">0x20000000</text>
|
||||
<text x="640" y="270" class="txt">512 KB</text>
|
||||
<text x="820" y="270" class="dim">Main RAM (r/w)</text>
|
||||
|
||||
<!-- SCRATCH_X -->
|
||||
<rect x="60" y="312" width="1080" height="60" rx="4" fill="#0a0a0f" stroke="#ffaa00" stroke-width="1"/>
|
||||
<text x="80" y="342" class="amb">SCRATCH_X</text>
|
||||
<text x="380" y="342" class="cyn">0x20080000</text>
|
||||
<text x="640" y="342" class="txt">4 KB</text>
|
||||
<text x="820" y="342" class="dim">Core 0 scratch (HW: SRAM8)</text>
|
||||
|
||||
<!-- SCRATCH_Y -->
|
||||
<rect x="60" y="384" width="1080" height="60" rx="4" fill="#1a0a0a" stroke="#ff0040" stroke-width="2"/>
|
||||
<text x="80" y="414" class="red">SCRATCH_Y</text>
|
||||
<text x="380" y="414" class="cyn">0x20081000</text>
|
||||
<text x="640" y="414" class="txt">4 KB</text>
|
||||
<text x="820" y="414" class="dim">Core 0 stack! (HW: SRAM9)</text>
|
||||
|
||||
<!-- Bottom Panel: Stack Calculation -->
|
||||
<rect x="40" y="515" width="1120" height="255" rx="8" class="pnl"/>
|
||||
<text x="60" y="553" class="sub">Stack Pointer Calculation</text>
|
||||
|
||||
<text x="60" y="593" class="txt">__StackTop = ORIGIN(SCRATCH_Y)</text>
|
||||
<text x="60" y="623" class="txt"> + LENGTH(SCRATCH_Y)</text>
|
||||
|
||||
<rect x="60" y="650" width="1080" height="100" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="80" y="682" class="amb">ORIGIN</text>
|
||||
<text x="260" y="682" class="cyn">0x20081000</text>
|
||||
|
||||
<text x="500" y="682" class="amb">+ LENGTH</text>
|
||||
<text x="700" y="682" class="cyn">0x1000</text>
|
||||
<text x="830" y="682" class="dim">(4 KB)</text>
|
||||
|
||||
<text x="80" y="728" class="grn">= __StackTop = 0x20082000</text>
|
||||
<text x="680" y="728" class="dim"><- matches vector table!</text>
|
||||
</svg>
|
||||
@@ -0,0 +1,87 @@
|
||||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800">
|
||||
<style>
|
||||
.bg{fill:#0a0a0f}.pnl{fill:#12121a;stroke:#1a1a2e}.hdr{fill:#12121a}
|
||||
.title{font:bold 42px 'Courier New',monospace;fill:#00ff41}
|
||||
.sub{font:bold 28px 'Courier New',monospace;fill:#00d4ff}
|
||||
.txt{font:24px 'Courier New',monospace;fill:#c0c0c0}
|
||||
.dim{font:20px 'Courier New',monospace;fill:#888}
|
||||
.grn{font:bold 24px 'Courier New',monospace;fill:#00ff41}
|
||||
.red{font:bold 24px 'Courier New',monospace;fill:#ff0040}
|
||||
.cyn{font:bold 24px 'Courier New',monospace;fill:#00d4ff}
|
||||
.amb{font:bold 24px 'Courier New',monospace;fill:#ffaa00}
|
||||
.badge{stroke:#00ff41;rx:14}
|
||||
</style>
|
||||
<rect class="bg" width="1200" height="800"/>
|
||||
|
||||
<!-- Title -->
|
||||
<text x="600" y="52" text-anchor="middle" class="title">Reset Handler — 4 Phases</text>
|
||||
<text x="600" y="88" text-anchor="middle" class="dim">_reset_handler at 0x1000015C</text>
|
||||
|
||||
<!-- Phase 1 -->
|
||||
<rect x="40" y="110" width="555" height="150" rx="8" class="pnl" stroke="#ffaa00" stroke-width="2"/>
|
||||
<text x="60" y="143" class="amb">Phase 1: Core Check</text>
|
||||
<text x="60" y="170" class="dim">0x1000015C — 0x10000168</text>
|
||||
<rect x="60" y="185" width="515" height="42" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="75" y="213" class="txt">mov r0, #0xD0000000</text>
|
||||
<text x="75" y="248" class="dim">Read CPUID -> Core 0 continues</text>
|
||||
|
||||
<!-- Phase 2 -->
|
||||
<rect x="625" y="110" width="535" height="150" rx="8" class="pnl" stroke="#00d4ff" stroke-width="2"/>
|
||||
<text x="645" y="143" class="cyn">Phase 2: Data Copy</text>
|
||||
<text x="645" y="170" class="dim">0x1000016A — 0x10000176</text>
|
||||
<rect x="645" y="185" width="495" height="42" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="660" y="213" class="txt">ldmia r4!, {r1,r2,r3}</text>
|
||||
<text x="645" y="248" class="dim">Copy .data from flash -> RAM</text>
|
||||
|
||||
<!-- Phase 3 -->
|
||||
<rect x="40" y="280" width="555" height="150" rx="8" class="pnl" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="60" y="313" class="grn">Phase 3: BSS Clear</text>
|
||||
<text x="60" y="340" class="dim">0x10000178 — 0x10000184</text>
|
||||
<rect x="60" y="355" width="515" height="42" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="75" y="383" class="txt">stmia r1!, {r0}</text>
|
||||
<text x="340" y="383" class="dim">r0 = 0</text>
|
||||
<text x="60" y="418" class="dim">Zero all uninitialized globals</text>
|
||||
|
||||
<!-- Phase 4 -->
|
||||
<rect x="625" y="280" width="535" height="150" rx="8" class="pnl" stroke="#ff0040" stroke-width="2"/>
|
||||
<text x="645" y="313" class="red">Phase 4: Platform Entry</text>
|
||||
<text x="645" y="340" class="dim">0x10000186+</text>
|
||||
<rect x="645" y="355" width="495" height="42" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="660" y="383" class="txt">blx r1</text>
|
||||
<text x="800" y="383" class="dim">-> main()</text>
|
||||
<text x="645" y="418" class="dim">runtime_init -> main -> exit</text>
|
||||
|
||||
<!-- Bottom: Flow Diagram -->
|
||||
<rect x="40" y="455" width="1120" height="315" rx="8" class="pnl"/>
|
||||
<text x="60" y="493" class="sub">Execution Flow</text>
|
||||
|
||||
<!-- Step boxes -->
|
||||
<rect x="60" y="513" width="220" height="70" rx="6" fill="#0a0a0f" stroke="#ffaa00" stroke-width="2"/>
|
||||
<text x="170" y="543" text-anchor="middle" class="amb">Core Check</text>
|
||||
<text x="170" y="569" text-anchor="middle" class="dim">CPUID == 0?</text>
|
||||
|
||||
<text x="303" y="553" text-anchor="middle" class="grn">-></text>
|
||||
|
||||
<rect x="325" y="513" width="200" height="70" rx="6" fill="#0a0a0f" stroke="#00d4ff" stroke-width="2"/>
|
||||
<text x="425" y="543" text-anchor="middle" class="cyn">Data Copy</text>
|
||||
<text x="425" y="569" text-anchor="middle" class="dim">flash -> RAM</text>
|
||||
|
||||
<text x="548" y="553" text-anchor="middle" class="grn">-></text>
|
||||
|
||||
<rect x="570" y="513" width="200" height="70" rx="6" fill="#0a0a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="670" y="543" text-anchor="middle" class="grn">BSS Clear</text>
|
||||
<text x="670" y="569" text-anchor="middle" class="dim">zero globals</text>
|
||||
|
||||
<text x="793" y="553" text-anchor="middle" class="grn">-></text>
|
||||
|
||||
<rect x="815" y="513" width="305" height="70" rx="6" fill="#0a0a0f" stroke="#ff0040" stroke-width="2"/>
|
||||
<text x="967" y="543" text-anchor="middle" class="red">Platform Entry</text>
|
||||
<text x="967" y="569" text-anchor="middle" class="dim">-> main()!</text>
|
||||
|
||||
<!-- Dual core note -->
|
||||
<rect x="60" y="610" width="1080" height="150" rx="6" fill="#0a0a0f" stroke="#ffaa00" stroke-width="1"/>
|
||||
<text x="80" y="645" class="amb">Why check cores?</text>
|
||||
<text x="80" y="680" class="txt">RP2350 has 2 cores.</text>
|
||||
<text x="80" y="710" class="txt">Only Core 0 runs startup.</text>
|
||||
<text x="80" y="740" class="dim">Core 1 returns to bootrom and waits.</text>
|
||||
</svg>
|
||||
@@ -0,0 +1,93 @@
|
||||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800">
|
||||
<style>
|
||||
.bg{fill:#0a0a0f}.pnl{fill:#12121a;stroke:#1a1a2e}.hdr{fill:#12121a}
|
||||
.title{font:bold 42px 'Courier New',monospace;fill:#00ff41}
|
||||
.sub{font:bold 28px 'Courier New',monospace;fill:#00d4ff}
|
||||
.txt{font:24px 'Courier New',monospace;fill:#c0c0c0}
|
||||
.dim{font:20px 'Courier New',monospace;fill:#888}
|
||||
.grn{font:bold 24px 'Courier New',monospace;fill:#00ff41}
|
||||
.red{font:bold 24px 'Courier New',monospace;fill:#ff0040}
|
||||
.cyn{font:bold 24px 'Courier New',monospace;fill:#00d4ff}
|
||||
.amb{font:bold 24px 'Courier New',monospace;fill:#ffaa00}
|
||||
.badge{stroke:#00ff41;rx:14}
|
||||
</style>
|
||||
<rect class="bg" width="1200" height="800"/>
|
||||
|
||||
<!-- Title -->
|
||||
<text x="600" y="52" text-anchor="middle" class="title">Data Copy & BSS Clear</text>
|
||||
<text x="600" y="88" text-anchor="middle" class="dim">Initializing RAM Before main() Can Run</text>
|
||||
|
||||
<!-- Left Panel: Data Copy -->
|
||||
<rect x="40" y="110" width="555" height="420" rx="8" class="pnl" stroke="#00d4ff" stroke-width="2"/>
|
||||
<text x="60" y="148" class="cyn">Phase 2: Data Copy</text>
|
||||
<text x="60" y="178" class="dim">Copy initialized variables flash -> RAM</text>
|
||||
|
||||
<text x="60" y="218" class="txt">C code:</text>
|
||||
<rect x="60" y="230" width="515" height="42" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="75" y="258" class="amb">int counter = 42;</text>
|
||||
|
||||
<text x="60" y="300" class="txt">Value 42 stored in flash</text>
|
||||
<text x="60" y="330" class="txt">but variables live in RAM!</text>
|
||||
|
||||
<!-- Flash -> RAM diagram -->
|
||||
<rect x="60" y="358" width="210" height="60" rx="4" fill="#0f1a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="165" y="395" text-anchor="middle" class="grn">Flash</text>
|
||||
|
||||
<text x="290" y="395" class="amb">-></text>
|
||||
|
||||
<rect x="320" y="358" width="210" height="60" rx="4" fill="#0a0a1f" stroke="#00d4ff" stroke-width="2"/>
|
||||
<text x="425" y="395" text-anchor="middle" class="cyn">RAM</text>
|
||||
|
||||
<!-- data_cpy_table -->
|
||||
<text x="60" y="448" class="dim">data_cpy_table has entries:</text>
|
||||
<rect x="60" y="458" width="515" height="55" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="75" y="482" class="dim">src: 0x10001B4C (flash)</text>
|
||||
<text x="75" y="507" class="dim">dst: 0x20000110 (RAM)</text>
|
||||
|
||||
<!-- Right Panel: BSS Clear -->
|
||||
<rect x="625" y="110" width="535" height="420" rx="8" class="pnl" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="645" y="148" class="grn">Phase 3: BSS Clear</text>
|
||||
<text x="645" y="178" class="dim">Zero uninitialized global variables</text>
|
||||
|
||||
<text x="645" y="218" class="txt">C code:</text>
|
||||
<rect x="645" y="230" width="495" height="42" rx="4" fill="#0a0a0f" stroke="#1a1a2e"/>
|
||||
<text x="660" y="258" class="amb">int my_counter;</text>
|
||||
|
||||
<text x="645" y="300" class="txt">C standard requires</text>
|
||||
<text x="645" y="330" class="txt">this to start at zero.</text>
|
||||
|
||||
<!-- BSS loop diagram -->
|
||||
<rect x="645" y="358" width="495" height="110" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="1"/>
|
||||
<text x="665" y="388" class="txt">r1 = BSS start</text>
|
||||
<text x="665" y="418" class="txt">r2 = BSS end</text>
|
||||
<text x="665" y="448" class="txt">r0 = 0</text>
|
||||
|
||||
<text x="645" y="498" class="dim">Loop: store 0, advance r1</text>
|
||||
<text x="645" y="524" class="dim">Until r1 == r2 -> done!</text>
|
||||
|
||||
<!-- Bottom Panel: Assembly -->
|
||||
<rect x="40" y="555" width="1120" height="215" rx="8" class="pnl"/>
|
||||
<text x="60" y="593" class="sub">Key Assembly Instructions</text>
|
||||
|
||||
<!-- Data Copy ASM -->
|
||||
<rect x="60" y="610" width="530" height="42" rx="4" fill="#0a0a0f" stroke="#00d4ff" stroke-width="1"/>
|
||||
<text x="75" y="638" class="cyn">ldmia r4!, {r1,r2,r3}</text>
|
||||
|
||||
<text x="60" y="672" class="dim">Load source, dest, end from table</text>
|
||||
|
||||
<rect x="60" y="690" width="530" height="42" rx="4" fill="#0a0a0f" stroke="#00d4ff" stroke-width="1"/>
|
||||
<text x="75" y="718" class="cyn">bl data_cpy</text>
|
||||
|
||||
<text x="60" y="750" class="dim">Copy word-by-word until done</text>
|
||||
|
||||
<!-- BSS Clear ASM -->
|
||||
<rect x="630" y="610" width="510" height="42" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="1"/>
|
||||
<text x="645" y="638" class="grn">movs r0, #0</text>
|
||||
|
||||
<text x="630" y="672" class="dim">Load zero into r0</text>
|
||||
|
||||
<rect x="630" y="690" width="510" height="42" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="1"/>
|
||||
<text x="645" y="718" class="grn">stmia r1!, {r0}</text>
|
||||
|
||||
<text x="630" y="750" class="dim">Store zero, advance pointer</text>
|
||||
</svg>
|
||||
@@ -0,0 +1,82 @@
|
||||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800">
|
||||
<style>
|
||||
.bg{fill:#0a0a0f}.pnl{fill:#12121a;stroke:#1a1a2e}.hdr{fill:#12121a}
|
||||
.title{font:bold 42px 'Courier New',monospace;fill:#00ff41}
|
||||
.sub{font:bold 28px 'Courier New',monospace;fill:#00d4ff}
|
||||
.txt{font:24px 'Courier New',monospace;fill:#c0c0c0}
|
||||
.dim{font:20px 'Courier New',monospace;fill:#888}
|
||||
.grn{font:bold 24px 'Courier New',monospace;fill:#00ff41}
|
||||
.red{font:bold 24px 'Courier New',monospace;fill:#ff0040}
|
||||
.cyn{font:bold 24px 'Courier New',monospace;fill:#00d4ff}
|
||||
.amb{font:bold 24px 'Courier New',monospace;fill:#ffaa00}
|
||||
.badge{stroke:#00ff41;rx:14}
|
||||
</style>
|
||||
<rect class="bg" width="1200" height="800"/>
|
||||
|
||||
<!-- Title -->
|
||||
<text x="600" y="52" text-anchor="middle" class="title">Platform Entry -> main()</text>
|
||||
<text x="600" y="88" text-anchor="middle" class="dim">The Final Step — 3 Function Calls at 0x10000186</text>
|
||||
|
||||
<!-- Top Panel: Assembly -->
|
||||
<rect x="40" y="110" width="1120" height="250" rx="8" class="pnl"/>
|
||||
<text x="60" y="148" class="sub">platform_entry Assembly</text>
|
||||
|
||||
<rect x="60" y="168" width="1080" height="42" rx="4" fill="#0a0a0f" stroke="#ffaa00" stroke-width="1"/>
|
||||
<text x="80" y="196" class="amb">0x10000186</text>
|
||||
<text x="310" y="196" class="txt">ldr r1, [DAT]</text>
|
||||
<text x="640" y="196" class="dim">-> load runtime_init addr</text>
|
||||
|
||||
<rect x="60" y="218" width="1080" height="42" rx="4" fill="#0a0a0f" stroke="#ffaa00" stroke-width="1"/>
|
||||
<text x="80" y="246" class="amb">0x10000188</text>
|
||||
<text x="310" y="246" class="txt">blx r1</text>
|
||||
<text x="640" y="246" class="cyn">-> call runtime_init()</text>
|
||||
|
||||
<rect x="60" y="268" width="1080" height="42" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="80" y="296" class="grn">0x1000018C</text>
|
||||
<text x="310" y="296" class="txt">blx r1</text>
|
||||
<text x="640" y="296" class="grn">-> call main()</text>
|
||||
|
||||
<rect x="60" y="318" width="1080" height="42" rx="4" fill="#0a0a0f" stroke="#ff0040" stroke-width="1"/>
|
||||
<text x="80" y="346" class="red">0x10000190</text>
|
||||
<text x="310" y="346" class="txt">blx r1</text>
|
||||
<text x="640" y="346" class="red">-> call exit()</text>
|
||||
|
||||
<!-- Middle: Flow boxes -->
|
||||
<rect x="40" y="385" width="1120" height="160" rx="8" class="pnl"/>
|
||||
<text x="60" y="423" class="sub">Call Sequence</text>
|
||||
|
||||
<rect x="60" y="443" width="300" height="80" rx="6" fill="#0a0a0f" stroke="#ffaa00" stroke-width="2"/>
|
||||
<text x="210" y="478" text-anchor="middle" class="amb">runtime_init()</text>
|
||||
<text x="210" y="508" text-anchor="middle" class="dim">SDK setup</text>
|
||||
|
||||
<text x="390" y="488" text-anchor="middle" class="grn">-></text>
|
||||
|
||||
<rect x="420" y="443" width="300" height="80" rx="6" fill="#0a0a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="570" y="478" text-anchor="middle" class="grn">main()</text>
|
||||
<text x="570" y="508" text-anchor="middle" class="dim">YOUR CODE</text>
|
||||
|
||||
<text x="750" y="488" text-anchor="middle" class="grn">-></text>
|
||||
|
||||
<rect x="780" y="443" width="300" height="80" rx="6" fill="#0a0a0f" stroke="#ff0040" stroke-width="2"/>
|
||||
<text x="930" y="478" text-anchor="middle" class="red">exit()</text>
|
||||
<text x="930" y="508" text-anchor="middle" class="dim">cleanup</text>
|
||||
|
||||
<!-- Bottom Panel: Details -->
|
||||
<rect x="40" y="570" width="540" height="200" rx="8" class="pnl"/>
|
||||
<text x="60" y="608" class="sub">runtime_init()</text>
|
||||
<text x="60" y="645" class="txt">Initializes SDK systems:</text>
|
||||
<text x="60" y="677" class="dim">• Clock configuration</text>
|
||||
<text x="60" y="705" class="dim">• GPIO setup</text>
|
||||
<text x="60" y="733" class="dim">• C++ constructor calls</text>
|
||||
<text x="60" y="761" class="dim">• Peripheral initialization</text>
|
||||
|
||||
<rect x="620" y="570" width="540" height="200" rx="8" class="pnl"/>
|
||||
<text x="640" y="608" class="sub">After main() Returns</text>
|
||||
<text x="640" y="645" class="txt">exit() handles cleanup.</text>
|
||||
<text x="640" y="677" class="txt">Then:</text>
|
||||
<rect x="660" y="700" width="480" height="42" rx="4" fill="#0a0a0f" stroke="#ff0040" stroke-width="1"/>
|
||||
<text x="680" y="728" class="red">bkpt 0x0000</text>
|
||||
<text x="900" y="728" class="dim"><- infinite halt</text>
|
||||
|
||||
<text x="640" y="760" class="dim">Should never be reached!</text>
|
||||
</svg>
|
||||
@@ -0,0 +1,92 @@
|
||||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800">
|
||||
<style>
|
||||
.bg{fill:#0a0a0f}.pnl{fill:#12121a;stroke:#1a1a2e}.hdr{fill:#12121a}
|
||||
.title{font:bold 42px 'Courier New',monospace;fill:#00ff41}
|
||||
.sub{font:bold 28px 'Courier New',monospace;fill:#00d4ff}
|
||||
.txt{font:24px 'Courier New',monospace;fill:#c0c0c0}
|
||||
.dim{font:20px 'Courier New',monospace;fill:#888}
|
||||
.grn{font:bold 24px 'Courier New',monospace;fill:#00ff41}
|
||||
.red{font:bold 24px 'Courier New',monospace;fill:#ff0040}
|
||||
.cyn{font:bold 24px 'Courier New',monospace;fill:#00d4ff}
|
||||
.amb{font:bold 24px 'Courier New',monospace;fill:#ffaa00}
|
||||
.badge{stroke:#00ff41;rx:14}
|
||||
</style>
|
||||
<rect class="bg" width="1200" height="800"/>
|
||||
|
||||
<!-- Title -->
|
||||
<text x="600" y="52" text-anchor="middle" class="title">Secure Boot & Attack Vectors</text>
|
||||
<text x="600" y="88" text-anchor="middle" class="dim">Why Boot Sequence Knowledge Matters for Security</text>
|
||||
|
||||
<!-- Left Panel: Attack Scenarios -->
|
||||
<rect x="40" y="110" width="555" height="380" rx="8" class="pnl" stroke="#ff0040" stroke-width="2"/>
|
||||
<text x="60" y="148" class="red">Attack Scenarios</text>
|
||||
|
||||
<rect x="60" y="168" width="515" height="60" rx="4" fill="#0a0a0f" stroke="#ff0040" stroke-width="1"/>
|
||||
<text x="75" y="193" class="red">Firmware Replacement</text>
|
||||
<text x="75" y="218" class="dim">Replace flash with malicious code</text>
|
||||
|
||||
<rect x="60" y="238" width="515" height="60" rx="4" fill="#0a0a0f" stroke="#ff0040" stroke-width="1"/>
|
||||
<text x="75" y="263" class="red">Vector Table Hijack</text>
|
||||
<text x="75" y="288" class="dim">Modify reset handler address</text>
|
||||
|
||||
<rect x="60" y="308" width="515" height="60" rx="4" fill="#0a0a0f" stroke="#ff0040" stroke-width="1"/>
|
||||
<text x="75" y="333" class="red">Debug Port Attack</text>
|
||||
<text x="75" y="358" class="dim">SWD/JTAG to dump or inject code</text>
|
||||
|
||||
<rect x="60" y="378" width="515" height="60" rx="4" fill="#0a0a0f" stroke="#ff0040" stroke-width="1"/>
|
||||
<text x="75" y="403" class="red">Startup Code Modification</text>
|
||||
<text x="75" y="428" class="dim">Change crt0 data copy / BSS init</text>
|
||||
|
||||
<text x="60" y="472" class="amb">Physical access = game over</text>
|
||||
|
||||
<!-- Right Panel: Defense Strategies -->
|
||||
<rect x="625" y="110" width="535" height="380" rx="8" class="pnl" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="645" y="148" class="grn">Defense Strategies</text>
|
||||
|
||||
<rect x="645" y="168" width="495" height="50" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="1"/>
|
||||
<text x="660" y="200" class="grn">1. Secure Boot</text>
|
||||
|
||||
<rect x="645" y="228" width="495" height="50" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="1"/>
|
||||
<text x="660" y="260" class="grn">2. Debug Port Lock</text>
|
||||
|
||||
<rect x="645" y="288" width="495" height="50" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="1"/>
|
||||
<text x="660" y="320" class="grn">3. Flash Read Protect</text>
|
||||
|
||||
<rect x="645" y="348" width="495" height="50" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="1"/>
|
||||
<text x="660" y="380" class="grn">4. MPU Configuration</text>
|
||||
|
||||
<rect x="645" y="408" width="495" height="50" rx="4" fill="#0a0a0f" stroke="#00ff41" stroke-width="1"/>
|
||||
<text x="660" y="440" class="grn">5. Integrity Checks</text>
|
||||
|
||||
<text x="645" y="478" class="amb">Defense in depth!</text>
|
||||
|
||||
<!-- Bottom Panel: Secure Boot Flow -->
|
||||
<rect x="40" y="515" width="1120" height="255" rx="8" class="pnl"/>
|
||||
<text x="60" y="553" class="sub">Secure Boot Chain</text>
|
||||
|
||||
<rect x="60" y="573" width="220" height="70" rx="6" fill="#0a0a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="170" y="603" text-anchor="middle" class="grn">Bootrom</text>
|
||||
<text x="170" y="629" text-anchor="middle" class="dim">immutable</text>
|
||||
|
||||
<text x="300" y="613" text-anchor="middle" class="amb">-></text>
|
||||
|
||||
<rect x="320" y="573" width="220" height="70" rx="6" fill="#0a0a0f" stroke="#00d4ff" stroke-width="2"/>
|
||||
<text x="430" y="603" text-anchor="middle" class="cyn">Verify Sig</text>
|
||||
<text x="430" y="629" text-anchor="middle" class="dim">IMAGE_DEF</text>
|
||||
|
||||
<text x="560" y="613" text-anchor="middle" class="amb">-></text>
|
||||
|
||||
<rect x="580" y="573" width="220" height="70" rx="6" fill="#0a0a0f" stroke="#ffaa00" stroke-width="2"/>
|
||||
<text x="690" y="603" text-anchor="middle" class="amb">Verify App</text>
|
||||
<text x="690" y="629" text-anchor="middle" class="dim">signature</text>
|
||||
|
||||
<text x="820" y="613" text-anchor="middle" class="amb">-></text>
|
||||
|
||||
<rect x="840" y="573" width="280" height="70" rx="6" fill="#0a0a0f" stroke="#00ff41" stroke-width="2"/>
|
||||
<text x="980" y="603" text-anchor="middle" class="grn">Boot!</text>
|
||||
<text x="980" y="629" text-anchor="middle" class="dim">or refuse</text>
|
||||
|
||||
<text x="60" y="688" class="txt">Each stage cryptographically verifies</text>
|
||||
<text x="60" y="718" class="txt">the next before handing off control.</text>
|
||||
<text x="60" y="748" class="dim">Bootrom = trust anchor (can't be changed)</text>
|
||||
</svg>
|
||||
Reference in New Issue
Block a user