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From: "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>
To: Sandipan Das <sandipan@linux.vnet.ibm.com>
Cc: mpe@ellerman.id.au, anton@samba.org, paulus@samba.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 1/3] powerpc/lib/sstep: Add XER bits introduced in POWER ISA v3.0
Date: Fri, 29 Sep 2017 13:01:24 +0530	[thread overview]
Message-ID: <20170929073124.zymjf7v7dr336ye3@naverao1-tp.localdomain> (raw)
In-Reply-To: <20170929054410.12600-1-sandipan@linux.vnet.ibm.com>

On 2017/09/29 05:44AM, Sandipan Das wrote:
> This adds definitions for the OV32 and CA32 bits of XER that
> were introduced in POWER ISA v3.0. There are some existing
> instructions that currently set the OV and CA bits based on
> certain conditions.
> 
> The emulation behaviour of all these instructions needs to
> be updated to set these new bits accordingly.
> 
> Signed-off-by: Sandipan Das <sandipan@linux.vnet.ibm.com>

For this series:
Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>

> ---
>  arch/powerpc/lib/sstep.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
> index 5e8418c28bd8..16814bfc01da 100644
> --- a/arch/powerpc/lib/sstep.c
> +++ b/arch/powerpc/lib/sstep.c
> @@ -31,6 +31,8 @@ extern char system_call_common[];
>  #define XER_SO		0x80000000U
>  #define XER_OV		0x40000000U
>  #define XER_CA		0x20000000U
> +#define XER_OV32	0x00080000U
> +#define XER_CA32	0x00040000U
> 
>  #ifdef CONFIG_PPC_FPU
>  /*
> -- 
> 2.13.5
> 

  parent reply	other threads:[~2017-09-29  7:31 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-29  5:44 [PATCH 1/3] powerpc/lib/sstep: Add XER bits introduced in POWER ISA v3.0 Sandipan Das
2017-09-29  5:44 ` [PATCH 2/3] powerpc/lib/sstep: Fix fixed-point arithmetic instructions that set CA32 Sandipan Das
2017-09-29  5:44 ` [PATCH 3/3] powerpc/lib/sstep: Fix fixed-point shift " Sandipan Das
2017-09-29  7:31 ` Naveen N. Rao [this message]
2017-10-05  4:21 ` [1/3] powerpc/lib/sstep: Add XER bits introduced in POWER ISA v3.0 Michael Ellerman

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