Re: [Qemu-devel] Question: How to integrate simple tests for a new platform so that they fit in well within QEMU

[Thomas Huth]

On 08/07/2018 02:34 PM, Aleksandar Markovic wrote:
> Hello, folks.
> 
> We are introducing a new MIPS platform - called nanoMIPS - to the QEMU.
> 
> Besides providing new functionality, we would like to integrate into QEMU 
> some basic testing capabilities for that new platform. Something like this:
> 
>     Enable user to specify cross compiler and, using QEMU Linux user mode:
>         a. execute several tests that are just almost minimal tests of 
> emulation of selected instructions.
>         b. execute several tests that are just almost minimal tests of 
> translation of selected system calls.
> 
> In other words, this would enable a user to run "smoke tests" for nanoMIPS 
> platform, and perhaps to use these tests as a starting point for some other 
> tests.
> 
> My question is:
> 
> 1. Is this a good idea at all?

Yes, it certainly is!

> 2. If yes, what would be the best way to integrate these tests into current 
> QEMU test organization?

Best way is to use the test infrastructure in tests/tcg (see mail from
Richard).
Another possibility is to add a simple test to tests/boot-serial-test.c
- but this only works if your machine can output something to the serial
console with some few lines of assembly code.

 Thomas