Message ID | 20220517182219.2171814-9-broonie@kernel.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | arm64/sysreg: More system register generation | expand |
On Tue, May 17, 2022 at 07:22:18PM +0100, Mark Brown wrote: > Convert DCZID_EL0 to automatic register generation as per DDI0487H.a, no > functional change. > > Signed-off-by: Mark Brown <broonie@kernel.org> > --- > arch/arm64/include/asm/sysreg.h | 2 -- > arch/arm64/tools/sysreg | 6 ++++++ > 2 files changed, 6 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h > index e8e9040227f6..09dc437030f5 100644 > --- a/arch/arm64/include/asm/sysreg.h > +++ b/arch/arm64/include/asm/sysreg.h > @@ -461,8 +461,6 @@ > #define SMIDR_EL1_SMPS_SHIFT 15 > #define SMIDR_EL1_AFFINITY_SHIFT 0 > > -#define SYS_DCZID_EL0 sys_reg(3, 3, 0, 0, 7) > - > #define SYS_RNDR_EL0 sys_reg(3, 3, 2, 4, 0) > #define SYS_RNDRRS_EL0 sys_reg(3, 3, 2, 4, 1) > > diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg > index 543ba10f3dac..1cd1e4ea42e3 100644 > --- a/arch/arm64/tools/sysreg > +++ b/arch/arm64/tools/sysreg > @@ -292,6 +292,12 @@ Res0 13:4 > Field 3:0 IminLine > EndSysreg > > +Sysreg DCZID_EL0 3 3 0 0 7 > +Res0 63:5 > +Field 4 DZP > +Field 3:0 BS > +EndSysreg These all look correct to me per ARM DDI 0487H.a pages D13-5340 to D13-5341. However, we have existing DCZID_DZP_SHIFT and DCZID_BS_SHIFT definitions that should be converted over: arch/arm64/include/asm/sysreg.h:#define DCZID_DZP_SHIFT 4 arch/arm64/include/asm/sysreg.h:#define DCZID_BS_SHIFT 0 arch/arm64/kernel/cpufeature.c: ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_EXACT, DCZID_DZP_SHIFT, 1, 1), arch/arm64/kernel/cpufeature.c: ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, DCZID_BS_SHIFT, 4, 0), Mark. > + > Sysreg SVCR 3 3 4 2 2 > Res0 63:2 > Field 1 ZA > -- > 2.30.2 >
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index e8e9040227f6..09dc437030f5 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -461,8 +461,6 @@ #define SMIDR_EL1_SMPS_SHIFT 15 #define SMIDR_EL1_AFFINITY_SHIFT 0 -#define SYS_DCZID_EL0 sys_reg(3, 3, 0, 0, 7) - #define SYS_RNDR_EL0 sys_reg(3, 3, 2, 4, 0) #define SYS_RNDRRS_EL0 sys_reg(3, 3, 2, 4, 1) diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg index 543ba10f3dac..1cd1e4ea42e3 100644 --- a/arch/arm64/tools/sysreg +++ b/arch/arm64/tools/sysreg @@ -292,6 +292,12 @@ Res0 13:4 Field 3:0 IminLine EndSysreg +Sysreg DCZID_EL0 3 3 0 0 7 +Res0 63:5 +Field 4 DZP +Field 3:0 BS +EndSysreg + Sysreg SVCR 3 3 4 2 2 Res0 63:2 Field 1 ZA
Convert DCZID_EL0 to automatic register generation as per DDI0487H.a, no functional change. Signed-off-by: Mark Brown <broonie@kernel.org> --- arch/arm64/include/asm/sysreg.h | 2 -- arch/arm64/tools/sysreg | 6 ++++++ 2 files changed, 6 insertions(+), 2 deletions(-)