A couple of BSP questions

[Michael Hamel]

Hi,

I am making progress with a PPC405EX BSP and am trying to move code  
into a generic libcpu/powerpc/ppc4xx directory, but I'm not sure how  
to organise it. I have conditional sections that need to know whether  
a PPC405EX/EXr or a GP/GPr/CR is in use (e.g DCR values). The libcpu  
code therefore needs to see a definition somewhere from the BSP, e.g  
PPC4XX_SUBTYPE that selects between these options. This could come  
from bsp.h, or it could go into the CPU_CFLAGS options in the .cfg  
file, which I see is what the virtex BSP does. I'm not sure what would  
be best practice?

Second, I see that in ppc_exc_bspsupp.h, interrupt handlers are  
defined as:

typedef int (*ppc_exc_handler_t)(BSP_Exception_frame *f, unsigned int  
vector);

What value should they return in the int?


Regards,
---
"Not *another* shrubbery!"

Michael Hamel
ADInstruments Ltd, Dunedin, NZ