On 20 Oct 2022 09:32, Tsukasa OI wrote:
> This commit includes necessary header files and creates duplicated
> declarations from other header files.
> 
> Duplicated declarations are necessary on M32R because, despite that some
> m32rbf functions are used by m32rx and m32r2, we cannot include two or more
> CPU header files: "cpu.h", "cpux.h" and "cpu2.h".

move/duplicate prototypes in a common header (e.g. m32r-sim.h) that both places
will include, never put them into a C file itself.  as written, there is no
protection keeping the prototypes in sync.
-mike