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From: "Nicholas Piggin" <npiggin@gmail.com>
To: "Benjamin Gray" <bgray@linux.ibm.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 14:31:27 +1000	[thread overview]
Message-ID: <CZYANK3U3EOT.2S7V8APCPDKSS@wheely> (raw)
In-Reply-To: <20240320015025.372056-1-bgray@linux.ibm.com>

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?

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",



  parent reply	other threads:[~2024-03-20  4:32 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 ` Nicholas Piggin [this message]
2024-03-20  4:33   ` [PATCH 1/2] target/ppc: Restore [H]DEXCR to 64-bits Benjamin Gray

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