[PATCH v4 14/26] arm64/sysreg: Add ICH_HFGITR_EL2

Lorenzo Pieralisi lpieralisi at kernel.org
Wed May 28 07:30:16 PDT 2025


On Wed, May 28, 2025 at 12:28:26PM +0100, Jonathan Cameron wrote:
> On Tue, 13 May 2025 19:48:07 +0200
> Lorenzo Pieralisi <lpieralisi at kernel.org> wrote:
> 
> > Add ICH_HFGITR_EL2 register description to sysreg.
> > 
> > Signed-off-by: Lorenzo Pieralisi <lpieralisi at kernel.org>
> > Cc: Will Deacon <will at kernel.org>
> > Cc: Catalin Marinas <catalin.marinas at arm.com>
> > Cc: Marc Zyngier <maz at kernel.org>
> 
> Hi Lorenzo,
> 
> > ---
> >  arch/arm64/tools/sysreg | 15 +++++++++++++++
> >  1 file changed, 15 insertions(+)
> > 
> > diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> > index 0927754d9fe2c5addbd9693d83b7324f1af66d3e..d2f53fb7929c69895fe8a21ba625d058a844d447 100644
> > --- a/arch/arm64/tools/sysreg
> > +++ b/arch/arm64/tools/sysreg
> > @@ -3616,6 +3616,21 @@ Res0	1
> >  Field	0	ICC_APR_EL1
> >  EndSysreg
> >  
> > +Sysreg	ICH_HFGITR_EL2	3	4	12	9	7
> > +Res0	63:11
> > +Field	10	GICRCDNMIA
> > +Field	9	GICRCDIA
> > +Field	8	GICCDDI
> > +Field	7	GICCDEOI
> > +Field	6	GICCDHM
> > +Field	5	GICCRDRCFG
> 
> GICCDRCFG in the spec. (you have a bonus R)

Bah. Good catch - I should move to autogeneration.

> Of course the real question was what am I avoiding that made checking these
> against the spec feel like a good idea? :)

:)

> FWIW with that fixed,
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
> for patches 2 to 14.

Thanks,
Lorenzo

> > +Field	4	GICCDPEND
> > +Field	3	GICCDAFF
> > +Field	2	GICCDPRI
> > +Field	1	GICCDDIS
> > +Field	0	GICCDEN
> > +EndSysreg
> > +
> >  Sysreg	ICH_HCR_EL2	3	4	12	11	0
> >  Res0	63:32
> >  Field	31:27	EOIcount
> > 
> 



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