From: Benjamin Gray <bgray@linux.ibm.com>
To: Nicholas Piggin <npiggin@gmail.com>,
qemu-devel@nongnu.org, qemu-ppc@nongnu.org
Subject: Re: [PATCH 1/2] target/ppc: Restore [H]DEXCR to 64-bits
Date: Wed, 20 Mar 2024 15:33:21 +1100 [thread overview]
Message-ID: <648b18644fe587cc3ae70e6a3081a0835f80a4c0.camel@linux.ibm.com> (raw)
In-Reply-To: <CZYANK3U3EOT.2S7V8APCPDKSS@wheely>
On Wed, 2024-03-20 at 14:31 +1000, Nicholas Piggin wrote:
> On Wed Mar 20, 2024 at 11:50 AM AEST, Benjamin Gray wrote:
> > The DEXCR emulation was recently changed to a 32-bit register,
> > possibly
> > because it does have a 32-bit read-only view. It is a full 64-bit
> > SPR though, so use the corresponding 64-bit write functions.
> >
>
> Thanks, paper bag for me.
>
> > Fixes: c9de140c2171 ("target/ppc: Fix width of some 32-bit SPRs")
>
> Should that hash be fbda88f7abdee?
>
Oops, yeah, somehow pasted the local commit hash for this patch itself
> Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
>
> > Signed-off-by: Benjamin Gray <bgray@linux.ibm.com>
> > ---
> > target/ppc/cpu_init.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
> > index 7e65f08147..22fdea093b 100644
> > --- a/target/ppc/cpu_init.c
> > +++ b/target/ppc/cpu_init.c
> > @@ -5820,7 +5820,7 @@ static void
> > register_power10_dexcr_sprs(CPUPPCState *env)
> > {
> > spr_register(env, SPR_DEXCR, "DEXCR",
> > SPR_NOACCESS, SPR_NOACCESS,
> > - &spr_read_generic, &spr_write_generic32,
> > + &spr_read_generic, &spr_write_generic,
> > 0);
> >
> > spr_register(env, SPR_UDEXCR, "UDEXCR",
> > @@ -5831,7 +5831,7 @@ static void
> > register_power10_dexcr_sprs(CPUPPCState *env)
> > spr_register_hv(env, SPR_HDEXCR, "HDEXCR",
> > SPR_NOACCESS, SPR_NOACCESS,
> > SPR_NOACCESS, SPR_NOACCESS,
> > - &spr_read_generic, &spr_write_generic32,
> > + &spr_read_generic, &spr_write_generic,
> > 0);
> >
> > spr_register(env, SPR_UHDEXCR, "UHDEXCR",
>
prev parent reply other threads:[~2024-03-20 4:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-20 1:50 [PATCH 1/2] target/ppc: Restore [H]DEXCR to 64-bits Benjamin Gray
2024-03-20 1:50 ` [PATCH 2/2] target/ppc: Fix GDB register indexing on secondary CPUs Benjamin Gray
2024-03-20 4:32 ` Nicholas Piggin
2024-03-20 4:31 ` [PATCH 1/2] target/ppc: Restore [H]DEXCR to 64-bits Nicholas Piggin
2024-03-20 4:33 ` Benjamin Gray [this message]
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