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May 3, 2022
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Add rust-raspberrypi-OS-tutorials content #98

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38 changes: 37 additions & 1 deletion content/this-month/2022-04/index.md
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Expand Up @@ -7,7 +7,8 @@ month = "April 2022"
authors = [
"phil-opp",
"toku-sa-n",
"phip1611"
"phip1611",
"andre-richter"
# add yourself here
]
+++
Expand Down Expand Up @@ -77,6 +78,41 @@ In this section, we describe updates to Rust OS projects that are not directly r

This month, ...

### [`rust-embedded/rust-raspberrypi-OS-tutorials`](https://github.com/rust-embedded/rust-raspberrypi-OS-tutorials)

<span class="gray">(Section written by [@andre-richter](https://github.com/andre-richter))</span>

The [Operating System development tutorials in Rust on the Raspberry Pi](https://github.com/rust-embedded/rust-raspberrypi-OS-tutorials) project
saw two more tutorial releases:

- [Tutorial 17 - `Kernel Symbols`](https://github.com/rust-embedded/rust-raspberrypi-OS-tutorials/tree/master/17_kernel_symbols)
- [Tutorial 18 - `Backtracing`](https://github.com/rust-embedded/rust-raspberrypi-OS-tutorials/tree/master/18_backtrace)

The two tutorials implement the generation of backtraces that show address and symbol information. Here is an example of the of a backtrace generated as part of the kernel's panic handler:

```console
[ 0.002782] Writing to bottom of address space to address 1 GiB...
[ 0.004623] Kernel panic!

Panic location:
File 'kernel/src/_arch/aarch64/exception.rs', line 59, column 5

[...]

Backtrace:
----------------------------------------------------------
Address Function containing address
----------------------------------------------------------
1. ffffffffc0001294 | core::fmt::write
2. ffffffffc0005560 | libkernel::panic_wait::_panic_print
3. ffffffffc00054a0 | rust_begin_unwind
4. ffffffffc0002950 | core::panicking::panic_fmt
5. ffffffffc0004898 | current_elx_synchronous
6. ffffffffc0000a74 | __vector_current_elx_synchronous
7. ffffffffc000111c | kernel_init
-----------------------------------------------------------
```

## Join Us?

Are you interested in Rust-based operating system development? Our `rust-osdev` organization is always open to new members and new projects. Just let us know if you want to join! A good way for getting in touch is our [gitter channel](https://gitter.im/rust-osdev/Lobby).
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