Re: PSP support? (MIPS)

[Anthony Green <green at redhat dot com>]

Sylvain Beucler wrote:
> On Wed, Mar 04, 2009 at 09:33:52PM +0100, Sylvain Beucler wrote:
>   
> > Hi,
> >
> > I'm attempting to cross-compile GNU FreeDink, which uses libffi5, for
> > Sony PSP (PlayStation Portable), i.e. a MIPS CPU.
> >
> > The GCC toolchain port, called pspdev, describes the architecture as
> > "mipsallegrexel-psp-elf".
> >
> > I tried to force TARGET=MIPS with libffi 3.0.8, but this triggers:
> >   #if !defined(_MIPS_SIM)
> >   -- something is very wrong --
> > in src/mips/ffitarget.h.
> >
> > Is there support in libffi for this platform?
> >
> >
> > Similar project dyncall(.org) has PSP binaries, and it mentions in the
> > source code "32bit MIPS", with "eabi" calling convention.
> >
> > http://code.google.com/p/pspstacklesspython cross-compiles Python
> > which (normally) uses libffi.  I'll send a mail to the maintainer to
> > check whether he knows about this.
> >     
>
> The maintainer just answered me that libffi and dependent Python
> module (ctypes) weren't part of the port.
>
> So do you think the platform is supported by libffi?
>   

MIPS is supported in general, but I guess _MIPS_SIM is not defined in 
the PSP toolchain, so you have a little porting work to do.
On Linux and for some other targets. _MIPS_SIM defines the MIPS ABI used 
on the target.

AG



>   
> > So I guess it's technically possible, but I don't know how to specify
> > the platform to the libffi build system.
> >
> > Any idea?
> >     
>
>