[patch] Add a dummy interrupt handler to nios2 crt0.s

Corinna Vinschen vinschen@redhat.com
Wed Apr 3 07:35:00 GMT 2019

Hi Sandra,

On Apr  2 14:01, Sandra Loosemore wrote:
> The attached patch addresses another request from the QEMU maintainers in my
> quest to get the nios2 bare-metal support patches committed there:  the
> corresponding libgloss BSP needs to provide an interrupt handler so the QEMU
> emulation can point at it.
> http://lists.nongnu.org/archive/html/qemu-devel/2019-03/msg07063.html
> I added a dummy routine and placed it immediately after the 32-byte reset
> vector.  This matches where the real hardware (a 3c120 board) we've also
> used for testing expects to find the interrupt handler.
> The dummy handler busy-waits in a loop, which is not terribly useful by
> itself, but you could set a breakpoint on it in the debugger, at least.
> OK?

Can you please send patches in `git format-patch' format?


Corinna Vinschen
Cygwin Maintainer
Red Hat
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