On 20 Oct 2022 09:32, Tsukasa OI wrote:
> Clang generates a warning if an argument is passed to a function without
> prototype (zero arguments, even without (void)).  Such calls are deprecated
> forms of indefinite arguments passing ("-Wdeprecated-non-prototype").
> On the default configuration, it causes a build failure (unless
> "--disable-werror" is specified).
> 
> To fix that, this commit makes struct evcell to use int32_t as a callback
> (cfunc) argument of an event.

would help to mention that int32_t was picked because that's what some parts
of the event/callback code is already using.

> ---
>  sim/erc32/erc32.c | 28 ++++++++++++++--------------
>  sim/erc32/func.c  |  8 ++++----
>  sim/erc32/sis.h   |  4 ++--
>  3 files changed, 20 insertions(+), 20 deletions(-)

README.sis needs updating.  otherwise looks OK.
-mike