svn commit: r206392 - user/jmallett/octeon/sys/mips/mips

[M. Warner Losh]

In message: <4BBDE4A5.8090604 at freebsd.org>
            Nathan Whitehorn <nwhitehorn at FreeBSD.org> writes:
: On 04/08/10 01:48, Juli Mallett wrote:
: > Author: jmallett
: > Date: Thu Apr  8 06:48:20 2010
: > New Revision: 206392
: > URL: http://svn.freebsd.org/changeset/base/206392
: >
: > Log:
: >    Hide quad syscall calling convention behind __mips_o32.
: >
: > Modified:
: >    user/jmallett/octeon/sys/mips/mips/vm_machdep.c
: >
: > Modified: user/jmallett/octeon/sys/mips/mips/vm_machdep.c
: > ==============================================================================
: > --- user/jmallett/octeon/sys/mips/mips/vm_machdep.c Thu Apr 8 06:42:19
: > --- 2010 (r206391)
: > +++ user/jmallett/octeon/sys/mips/mips/vm_machdep.c Thu Apr 8 06:48:20
: > 2010 (r206392)
: > @@ -265,19 +265,29 @@ cpu_set_syscall_retval(struct thread *td
: >   {
: >   	struct trapframe *locr0 = td->td_frame;
: >   	unsigned int code;
: > +#if defined(__mips_o32)
: >   	int quad_syscall;
: > +#endif
: >    
: What about 32-bit O32 compatibility? For PPC64, I wrapped this kind of
: code in if (p->p_sysent->sv_flags & SV_ILP32).

Right now I don't think we support running binaries that are a
different ABI than the kernel ABI.  Long term, we'll need to do that.

Warner