more slides
Signed-off-by: Sean Cross <sean@xobs.io>
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.gitignore
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.idea/
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*.iml
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*.iws
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*.eml
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out/
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.DS_Store
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.svn
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log/*.log
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tmp/**
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node_modules/
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.sass-cache
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/test
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/examples
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.github
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.gulpfile
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.sass-cache
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gulpfile.js
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CONTRIBUTING.md
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BIN
img/esp32s3-more-boot.png
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img/esp32s3-more-boot.png
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img/esp32s3-uart.png
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img/esp32s3-uart.png
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img/gdb-with-elf.png
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img/memory-maps.png
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index.html
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index.html
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<body>
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<div class="reveal">
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<div class="footer">
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<a class="url" href="https://p.xobs.io/fa23/">p.xobs.io/fa23</a>
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<a class="url" href="https://p.xobs.io/c23/">p.xobs.io/fa23</a>
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</div>
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<div class="slides">
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<section>
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<h2>Emulating the Badge Under Renode</h2>
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<h2>(Eventually)</h2>
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<h3>(Eventually)</h3>
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<br />
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<h3>Sean "xobs" Cross</h3>
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</section>
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@ -261,39 +261,98 @@
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<h2>It Doesn't</h2>
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</section>
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<section>
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<h2>Xtensa is a New Architecture</h2>
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<h2>Xtensa is an Uncommon Architecture</h2>
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<ul>
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<li>Added support for ESP32 family</li>
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<li>Merged quickly</li>
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<li>Few others use Xtensa</li>
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<li>Audio DSPs</li>
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<li>Possibly Intel?</li>
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<li>NXP</li>
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</ul>
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</section>
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<section>
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<h2>Extensive use of Boot ROM</h2>
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<ul>
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<li>Pulled ROM off device with esptool</li>
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<li>Load into RAM</li>
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<li>Set entrypoint</li>
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<img data-src="img/memory-maps.png">
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</ul>
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</section>
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<section>
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<h2>Add a serial port</h2>
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<h2>Extensive use of Boot ROM</h2>
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<ul>
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<pre><code class="wrap">$ esptool.py dump_mem \
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0x3ff90000 \
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65536 \
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irom.bin</code></pre>
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</ul>
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</section>
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<!-- <section>
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<ul>
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<li>Immediately get output</li>
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<li>Breaks immediately</li>
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</ul>
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</section> -->
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<section>
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<h2>Add a serial port</h2>
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<code><pre>
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namespace Antmicro.Renode.Peripherals.UART {
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public class ESP32_UART : UARTBase, IDoubleWordPeripheral,
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IKnownSize {
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private readonly DoubleWordRegisterCollection registers;
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public ESP32_UART(Machine machine) : base(machine) {
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registers = new DoubleWordRegisterCollection(this,
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new Dictionary<long, DoubleWordRegister> {
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{0x00, new DoubleWordRegister(this).WithValueField(0,8,
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writeCallback: (_, v) => TransmitCharacter((byte)v))}
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});
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}</code></code>
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</section>
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<section>
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<h2>Add a serial port</h2>
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<code><pre>
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{0x00, new DoubleWordRegister(this)
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.WithValueField(0, 8,
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writeCallback: (_, v) => TransmitCharacter((byte)v))}</code></code>
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</section>
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<section>
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<img data-src="img/esp32s3-uart.png">
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</section>
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<section>
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<h2>Load SVD file</h2>
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<pre><code>sysbus:
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init:
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ApplySVD @esp32s3.svd</code></pre>
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</section>
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<section>
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<h2>Load SVD file</h2>
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<pre><code style="word-wrap: break-word;">
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extmem: Unhandled read from offset 0x64.
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extmem: Unhandled write to offset 0x64, value 0x3.
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sysbus: Read from an unimplemented register SYSTEM:SYSCLK_CONF
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(0x600C0060), returning a value from SVD: 0x1. (3)
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sysbus: Read from an unimplemented register SYSTEM:PERIP_CLK_EN0
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(0x600C0018), returning a value from SVD: 0xF9C1E06F.
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sysbus: Write of value 0xF9C1E06F to an unimplemented register
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SYSTEM:PERIP_CLK_EN0 (0x600C0018) generated from SVD.
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sysbus: Read from an unimplemented register SYSTEM:PERIP_RST_EN0
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(0x600C0020), returning a value from SVD: 0x0.
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sysbus: Write of value 0x0 to an unimplemented register SYSTEM:PERIP_RST_EN0
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0x600C0020) generated from SVD.
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sysbus: Read from an unimplemented register SYSTEM:PERIP_RST_EN0
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(0x600C0020), returning a value from SVD: 0x0.
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sysbus: Write of value 0x4 to an unimplemented register SYSTEM:PERIP_RST_EN0 (0x600C0020) generated from SVD.
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</code></pre>
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</section>
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<section>
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<h2>Add Peripherals</h2>
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</section>
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<section>
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<h2>Slowly Advance</h2>
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<img data-src="img/esp32s3-more-boot.png">
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</section>
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<section>
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<h2>What's Left</h2>
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<h2>GDB with ELF</h2>
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<img data-src="img/gdb-with-elf.png">
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</section>
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<section>
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<h2>What's Left?</h2>
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<ul>
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<li>SPI Controller</li>
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<li>Interrupt Controller</li>
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@ -385,7 +444,7 @@
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multiplex: {
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// Example values. To generate your own, see the socket.io server instructions.
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secret: getQueryHash().s || null,
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id: '54917777254025e5',
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id: '863f0948d18284f3',
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url: 'https://p.xobs.io/'
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},
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