rpi4-osdev
RPI4-Mailbox-Not-Working
| rpi4-osdev | RPI4-Mailbox-Not-Working | |
|---|---|---|
| 17 | 1 | |
| 3,331 | 0 | |
| - | - | |
| 6.7 | 10.0 | |
| 14 days ago | about 1 year ago | |
| C | Assembly | |
| Creative Commons Zero v1.0 Universal | MIT License |
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rpi4-osdev
- Tutorial: Writing a bare metal operating system for Raspberry Pi 4
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Assembly coding without OS
GitHub - isometimes/rpi4-osdev: Tutorial: Writing a "bare metal" operating system for Raspberry Pi 4
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[RPI4B] Error allocating framebuffer with mailbox
Basically i can compile and run this -> https://github.com/isometimes/rpi4-osdev/tree/master/part5-framebuffer (and i'm sure every other implementation) just fine but only if i load it with gdb through jtags and then hit continue (c). If i put the exact same kernel (kernel8.img) on the sd and disconnect any hw debugger, it gets stuck at the rainbow spash screen and won't continue. This is wheter enable_jtag_gpio is set to 0 or 1. This makes absolutely no sense to me and i'd love to get an opinion on why it behaves this way and if it underlines a bigger problem.
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What projects can an individual do that you would like seeing on a resume?
Something like this would be probably in the top 1% of hobby projects and as far as I can tell, it involves zero EE work: Writing a "bare metal" operating system for Raspberry Pi 4.
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How do I work towards interacting with Raspberry Pi peripherals directly?
This might be of help: https://github.com/isometimes/rpi4-osdev (it’s for the RPi4, but I imagine most of it being applicable to the RPi1).
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Writing an open source GPU driver – without the hardware
IMO the best way to get into this type of low-level tinkering is by writing a simple operating system.
https://github.com/isometimes/rpi4-osdev
There are other courses/projects for other boards. The keyword is usually “baremetal”.
For Linux drivers specifically there are training material from Bootlin for instance.
- Writing a “bare metal” operating system for Raspberry Pi 4
- Tutorial: Writing a “bare metal” operating system for Raspberry Pi 4
RPI4-Mailbox-Not-Working
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[RPI4B] Error allocating framebuffer with mailbox
Here it is: https://github.com/Lagor31/RPI4-Mailbox-Not-Working
What are some alternatives?
rust-raspberrypi-OS-tutorials - :books: Learn to write an embedded OS in Rust :crab:
linux - Linux kernel source tree
circle - A C++ bare metal environment for Raspberry Pi with USB (32 and 64 bit)
cs140e-20win - cs140e course materials.
rust-raspberrypi-OS-tutoria
duckduckgo-locales - Translation files for <a href="https://duckduckgo.com"> </a>
tools
usbboot - Raspberry Pi USB booting code, moved from tools repository
Python-Markdown - A Python implementation of John Gruber’s Markdown with Extension support.
circle - The compiler is available for download. Get it!
videocoreiv - Tools and information for the Broadcom VideoCore IV (RaspberryPi)
Raspberry_Pi4-B_Assembler - How to code Bare Metal with Assembly language