[U-Boot-Users] MIPS: question about start.S

[Andrew Dyer]

2008/5/13  <wangjiankun820624 at 163.com>:
>  I am sorry for my three times of posting the same question! It is the first
> time for me to post question here, so I don't know some rules!
> Sorry!
>
> It is the define of RVECENT whiche has two arguments f and n, but only f is
> used in the code, n is not used.
> I want to know the function of the argument n, since it is not used in the
> code.
> Thank you very much!
> #define RVECENT(f,n) \
>    b f; nop

You answered your own question, it has no function.

Assuming each jump vector is x words long, it could be used to
generate an address to locate the code in the case where you didn't
want to explicitly fill each jump vector.


-- 
Hardware, n.:
 The parts of a computer system that can be kicked.