Port to baremetal ARM (32bit) no OS, just raw GCC?

[awyy]

I see that Avian supports Linux on ARM.  How much would be involved to port to an embedded project with no Linux OS, just baremetal ARM GCC?  I assume we'd need to implement filesystem support.  What about threading?  Is OS threading used?

I assume we'd start with the interpreter and look at AOT/JIT later.

Cheers, awyy

[Joel Dice .]

Hi,

Here's the API representing the functionality the VM expects the OS to
provide: https://github.com/ReadyTalk/avian/tree/master/include/avian/system

In addition, the class library has its own set of dependencies for
e.g. allocation, filesystem access, networking, etc..

The way I'd approach a port would be to stub everything out so it
compiles and then iterating on a representative test case, replacing
the stubs with realistic implementations as you run into issues. And
yes, the OS is expected to provide threading.

Sounds like a ton of work, though. I'd just use Linux or BSD.

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