Date: Thu, 08 Apr 2010 15:16:46 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: nwhitehorn@FreeBSD.org Cc: jmallett@FreeBSD.org, src-committers@FreeBSD.org, svn-src-user@FreeBSD.org Subject: Re: svn commit: r206392 - user/jmallett/octeon/sys/mips/mips Message-ID: <20100408.151646.884721755803198764.imp@bsdimp.com> In-Reply-To: <4BBDE4A5.8090604@freebsd.org> References: <201004080648.o386mKnr042060@svn.freebsd.org> <4BBDE4A5.8090604@freebsd.org>
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In message: <4BBDE4A5.8090604@freebsd.org>
Nathan Whitehorn <nwhitehorn@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
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