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| src | 4 years ago | |
| Cargo.lock | 4 years ago | |
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| README.md | 4 years ago | |
| kernel | 4 years ago | |
| kernel8.img | 4 years ago | |
README.md
Tutorial 08 - Timestamps
tl;dr
We add abstractions for the architectural timer, implement it for aarch64 and use it to annotate
prints with timestamps; A warn!() macro is added.
Test it
Check it out via chainboot (added in previous tutorial):
$ make chainboot
[...]
Minipush 1.0
[MP] ⏳ Waiting for /dev/ttyUSB0
[MP] ✅ Connected
__ __ _ _ _ _
| \/ (_)_ _ (_) | ___ __ _ __| |
| |\/| | | ' \| | |__/ _ \/ _` / _` |
|_| |_|_|_||_|_|____\___/\__,_\__,_|
Raspberry Pi 3
[ML] Requesting binary
[MP] ⏩ Pushing 12 KiB =========================================🦀 100% 0 KiB/s Time: 00:00:00
[ML] Loaded! Executing the payload now
[ 0.586140] Booting on: Raspberry Pi 3
[ 0.587227] Architectural timer resolution: 52 ns
[ 0.589530] Drivers loaded:
[ 0.590876] 1. BCM GPIO
[ 0.592309] 2. BCM PL011 UART
[W 0.594005] Spin duration smaller than architecturally supported, skipping
[ 0.597392] Spinning for 1 second
[ 1.599001] Spinning for 1 second
[ 2.599872] Spinning for 1 second