Hi Daniel,

On Mon, 30 Sep 2019 at 09:13, Daniel Schwierzeck
<daniel.schwierz...@gmail.com> wrote:
>
> On Mon, Sep 30, 2019 at 4:58 PM Simon Glass <s...@chromium.org> wrote:
> >
> > Move this function into the irq_legacy.h header file.
> >
> > Signed-off-by: Simon Glass <s...@chromium.org>
> > ---
> >
> >  arch/m68k/lib/traps.c | 1 +
> >  arch/mips/lib/traps.c | 1 +
> >  include/common.h      | 1 -
> >  include/irq_legacy.h  | 2 ++
> >  4 files changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/m68k/lib/traps.c b/arch/m68k/lib/traps.c
> > index 5d802077453..b2e7e9fe407 100644
> > --- a/arch/m68k/lib/traps.c
> > +++ b/arch/m68k/lib/traps.c
> > @@ -8,6 +8,7 @@
> >   */
> >
> >  #include <common.h>
> > +#include <irq_legacy.h>
> >  #include <watchdog.h>
> >  #include <command.h>
> >  #include <asm/processor.h>
> > diff --git a/arch/mips/lib/traps.c b/arch/mips/lib/traps.c
> > index ff02d437a87..d173a1b0134 100644
> > --- a/arch/mips/lib/traps.c
> > +++ b/arch/mips/lib/traps.c
> > @@ -12,6 +12,7 @@
> >
> >  #include <common.h>
> >  #include <cpu_legacy.h>
> > +#include <irq_legacy.h>
> >  #include <asm/mipsregs.h>
> >  #include <asm/addrspace.h>
> >  #include <asm/system.h>
> > diff --git a/include/common.h b/include/common.h
> > index a292d919390..e946e4d9b7f 100644
> > --- a/include/common.h
> > +++ b/include/common.h
> > @@ -145,7 +145,6 @@ void        relocate_code(ulong);
> >  void   relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
> >  #endif
> >  ulong  get_endaddr   (void);
> > -void   trap_init     (ulong);
> >
> >  void s_init(void);
> >
> > diff --git a/include/irq_legacy.h b/include/irq_legacy.h
> > index 91b523d043a..a029c54b702 100644
> > --- a/include/irq_legacy.h
> > +++ b/include/irq_legacy.h
> > @@ -21,4 +21,6 @@ void reset_timer(void);
> >  void enable_interrupts(void);
> >  int disable_interrupts(void);
> >
> > +void trap_init(unsigned long reloc_addr);
> > +
> >  #endif
> > --
>
> hm, at least on MIPS this is regular CPU exception handling and has
> nothing to do with interrupts nor with DM. I don't know about M68 but
> there it looks like traps are used for exceptions and interrupts. I
> think it would better fit into a include/traps.h or so.

I think we tend to think of interrupts and exceptions as being similar.

Are you suggesting creating a new traps_legacy.h?

Regards,
Simon
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