Jeff Harrell wrote:
> I have been working through the initialization code for the MIPS/Linux
> kernel and have traced through to the point
> where the MIPS exceptions are installed. I have not been able to locate
> the following routines
>
> handle_adel
> handle_ades
> handle_sys
> handle_bp
> handle_n
> handle_cpu
> handle_ov
> handle_tr
> handle_fpe
>
> I see where these are defined by "extern asmlinkage" references but
> can't locate the actual implementation of these
> exceptions. Any idea what files these routines might be located in?
> Any help would be greatly appreciated
They are located in arch/mips/kernel/entry.S
They are a little hard to find as they use the BUILD_HANDLER macro to
extract the routines.
>
>
> Thank you,
> Jeff Harrell
>
> ---------8< excerpt from kernel/traps.c -----
>
> set_except_vector(1, handle_mod);
> set_except_vector(2, handle_tlbl);
> set_except_vector(3, handle_tlbs);
> set_except_vector(4, handle_adel);
> set_except_vector(5, handle_ades);
> /*
> * The Data Bus Error/ Instruction Bus Errors are signaled
> * by external hardware. Therefore these two expection have
> * board specific handlers.
> */
> set_except_vector(6, handle_ibe);
> set_except_vector(7, handle_dbe);
> ibe_board_handler = default_be_board_handler;
> dbe_board_handler = default_be_board_handler;
>
> set_except_vector(8, handle_sys);
> set_except_vector(9, handle_bp);
> set_except_vector(10, handle_ri);
> set_except_vector(11, handle_cpu);
> set_except_vector(12, handle_ov);
> set_except_vector(13, handle_tr);
> set_except_vector(15, handle_fpe);
>
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Jeff Harrell Work: (801) 619-6104
> Broadband Access group/TI
> jharrell@ti.com
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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