From: Michael Neuling <mikey@neuling.org>
To: Timur Tabi <timur@freescale.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] powerpc: add defintion for MSR[GS] to list of MSR bits
Date: Tue, 03 Mar 2009 12:02:01 +1100 [thread overview]
Message-ID: <3431.1236042121@neuling.org> (raw)
In-Reply-To: <1236018001-3206-1-git-send-email-timur@freescale.com>
> Add macros for the GS (guest state) bit to the list of MSR bit definitions.
> On PowerPC cores that support embedded hypervisor mode, GS is cleared if
> the system is running in hypervisor state (and MSR[PR] is cleared), and set
> if it's running in guest state. See the Power ISA 2.06 specification for
> more information.
>
> Signed-off-by: Timur Tabi <timur@freescale.com>
> ---
> arch/powerpc/include/asm/reg.h | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
Shouldn't this be in reg_booke.h?
Mikey
> index c6d1ab6..ca5c7f8 100644
> --- a/arch/powerpc/include/asm/reg.h
> +++ b/arch/powerpc/include/asm/reg.h
> @@ -29,6 +29,7 @@
> #define MSR_SF_LG 63 /* Enable 64 bit mode */
> #define MSR_ISF_LG 61 /* Interrupt 64b mode valid on 630 */
> #define MSR_HV_LG 60 /* Hypervisor state */
> +#define MSR_GS_LG 28 /* Guest state */
> #define MSR_VEC_LG 25 /* Enable AltiVec */
> #define MSR_VSX_LG 23 /* Enable VSX */
> #define MSR_POW_LG 18 /* Enable Power Management */
> @@ -71,6 +72,7 @@
> #define MSR_HV 0
> #endif
>
> +#define MSR_GS __MASK(MSR_GS_LG) /* Guest state */
> #define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */
> #define MSR_VSX __MASK(MSR_VSX_LG) /* Enable VSX */
> #define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Managem
ent */
> --
> 1.5.5
>
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-dev
>
next prev parent reply other threads:[~2009-03-03 1:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-02 18:20 [PATCH] powerpc: add defintion for MSR[GS] to list of MSR bits Timur Tabi
2009-03-03 1:02 ` Michael Neuling [this message]
2009-03-03 2:16 ` Timur Tabi
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