[raspi-internals] Re: 2op vs 3op ALU operations
- From: Herman Hermitage <hermanhermitage@xxxxxxxxxxx>
- To: "raspi-internals@xxxxxxxxxxxxx" <raspi-internals@xxxxxxxxxxxxx>
- Date: Fri, 24 May 2013 06:17:57 +1200
> [...]
>
> Incidentally, after having crashed the VC4 on my Pi many times due to
> running bad code, I have discovered that this:
>
> echo b > /proc/sysrq-trigger
Nice. I have been using:
sudo reboot
> ...will allow me to reboot it remotely. (Do we know what OS the
> VideoCore runs, and whether it reports diagnostics somehow? I'm a bit
> surprised it's so fragile but I suppose it was never intended to be
> user-visible.)
ThreadX:
http://rtos.com/products/threadx/
http://www.amazon.com/Real-Time-Embedded-Multithreading-Using-ThreadX/dp/1856176010
Think 80s style shared memory preemptive kernel targeting low latency
applications. Whilst it may also allow managing a process inside a MMU jailed
area, I would think generally its running MMUless tasks - like Amiga executive.
I think the header files are available for download.
Other related posts:
