mirror of
https://github.com/mytechnotalent/Embedded-Hacking.git
synced 2026-07-06 20:47:55 +02:00
Kevin Thomas
65 lines
3.4 KiB
XML
65 lines
3.4 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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<rect class="hdr" x="0" y="0" width="1200" height="100" rx="0"/>
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<text class="title" x="600" y="52" text-anchor="middle">GDB Analysis</text>
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<text class="dim" x="600" y="88" text-anchor="middle">Disassembly of main() at 0x10000234</text>
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<!-- Main disassembly panel -->
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<rect class="pnl" x="30" y="110" width="1140" height="420" rx="8"/>
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<text class="sub" x="50" y="145">Key Instructions from x/54i 0x10000234</text>
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<rect x="50" y="160" width="1100" height="355" rx="6" fill="#0a0a0f" stroke="#1a1a2e"/>
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<text class="grn" x="70" y="190">push {r3, lr}</text>
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<text class="dim" x="540" y="190">// save return addr</text>
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<text class="txt" x="70" y="220">bl stdio_init_all</text>
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<text class="dim" x="540" y="220">// init serial</text>
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<text class="txt" x="70" y="250">ldr r1, [pc, #104]</text>
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<text class="dim" x="540" y="250">// r1 = 100000 (baud)</text>
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<text class="txt" x="70" y="280">ldr r0, [pc, #104]</text>
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<text class="dim" x="540" y="280">// r0 = &i2c1_inst</text>
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<text class="txt" x="70" y="310">bl i2c_init</text>
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<text class="dim" x="540" y="310">// init I2C at 100kHz</text>
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<text class="txt" x="70" y="340">movs r0, #2</text>
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<text class="dim" x="540" y="340">// GPIO 2 (SDA)</text>
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<text class="txt" x="70" y="370">bl gpio_set_function</text>
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<text class="dim" x="540" y="370">// set pin to I2C</text>
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<text class="txt" x="70" y="400">movs r1, #39</text>
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<text class="dim" x="540" y="400">// 0x27 = LCD addr</text>
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<text class="txt" x="70" y="430">bl lcd_i2c_init</text>
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<text class="dim" x="540" y="430">// init LCD device</text>
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<text class="red" x="70" y="460">b.n 0x1000028e</text>
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<text class="dim" x="540" y="460">// infinite loop start</text>
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<text class="dim" x="70" y="490">...</text>
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<text class="dim" x="120" y="490">AAPCS: r0-r3 = first 4 args, r0 = return value</text>
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<!-- Bottom: Literal Pool -->
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<rect class="pnl" x="30" y="545" width="1140" height="230" rx="8"/>
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<text class="sub" x="50" y="580">Literal Pool at 0x100002A4</text>
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<rect x="50" y="595" width="1100" height="160" rx="6" fill="#0a0a0f" stroke="#1a1a2e"/>
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<text class="amb" x="70" y="625">0x000186A0</text>
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<text class="dim" x="300" y="625">I2C baudrate (100000)</text>
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<text class="amb" x="70" y="655">0x2000062C</text>
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<text class="dim" x="300" y="655">&i2c1_inst struct in RAM</text>
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<text class="amb" x="70" y="685">0x10003EE8</text>
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<text class="dim" x="300" y="685">"Reverse" string in flash</text>
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<text class="amb" x="70" y="715">0x10003EF0</text>
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<text class="dim" x="300" y="715">"Engineering" string in flash</text>
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<text class="amb" x="640" y="625">0x10003EFC</text>
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<text class="dim" x="870" y="625">"FAV_NUM: %d\r\n"</text>
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<text class="amb" x="640" y="655">0x10003F0C</text>
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<text class="dim" x="870" y="655">"OTHER_FAV_NUM: %d\r\n"</text>
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</svg> |
