On Wed, Jan 26, 2022 at 10:59 PM Richard Henderson <
richard.hender...@linaro.org> wrote:

> On 1/25/22 12:29, Warner Losh wrote:
> > FreeBSD's get_mcontext doesn't return any vfp data. Instead, it zeros
> > out the vfp feilds (and all the spare fields). Impelement this
> > behavior. We're still missing the sysarch(ARM_GET_VFPCONTEXT) syscall,
> > though.
> >
> > Signed-off-by: Warner Losh <i...@bsdimp.com>
> > ---
> >   bsd-user/arm/signal.c | 8 ++++++++
> >   1 file changed, 8 insertions(+)
> >
> > diff --git a/bsd-user/arm/signal.c b/bsd-user/arm/signal.c
> > index 9026343b478..6eadc6e3c56 100644
> > --- a/bsd-user/arm/signal.c
> > +++ b/bsd-user/arm/signal.c
> > @@ -109,6 +109,14 @@ abi_long get_mcontext(CPUARMState *env,
> target_mcontext_t *mcp, int flags)
> >       gr[TARGET_REG_LR] = tswap32(env->regs[14]);
> >       gr[TARGET_REG_PC] = tswap32(env->regs[15]);
> >
> > +    /*
> > +     * FreeBSD's set_mcontext doesn't save VFP info, but blanks it out
> instead.
> > +     * Instead, sysarch(ARM_GET_VFPSTATE) is used instead.
> > +     */
>
> Could be rewritten with fewer "instead".  You wanted get_mcontext.
>

Yes. Instead is indeed over used over and over redundantly :)

Thanks!

Warner


> Otherwise,
>
> Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
>
>
> r~
>
>

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