linux-kernel - [PATCH v3 01/10] arm64: sysreg: Add new PMSFCR_EL1 fields and PMSDSFR

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Message-Id: <20250605-james-perf-feat_spe_eft-v3-1-71b0c9f98093@linaro.org>
Date: Thu, 05 Jun 2025 11:48:59 +0100
From: James Clark <james.clark@...aro.org>
To: Catalin Marinas <catalin.marinas@....com>, 
 Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>, 
 Jonathan Corbet <corbet@....net>, Marc Zyngier <maz@...nel.org>, 
 Oliver Upton <oliver.upton@...ux.dev>, Joey Gouly <joey.gouly@....com>, 
 Suzuki K Poulose <suzuki.poulose@....com>, 
 Zenghui Yu <yuzenghui@...wei.com>, Peter Zijlstra <peterz@...radead.org>, 
 Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, 
 Namhyung Kim <namhyung@...nel.org>, 
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>, 
 Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>, 
 Adrian Hunter <adrian.hunter@...el.com>, leo.yan@....com
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-perf-users@...r.kernel.org, linux-doc@...r.kernel.org, 
 kvmarm@...ts.linux.dev, James Clark <james.clark@...aro.org>
Subject: [PATCH v3 01/10] arm64: sysreg: Add new PMSFCR_EL1 fields and
 PMSDSFR_EL1 register

Add new fields and register that are introduced for the features
FEAT_SPE_EFT (extended filtering) and FEAT_SPE_FDS (data source
filtering).

Tested-by: Leo Yan <leo.yan@....com>
Signed-off-by: James Clark <james.clark@...aro.org>
---
 arch/arm64/tools/sysreg | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 8a8cf6874298..2e897d8a4040 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -2859,11 +2859,20 @@ Field	0	RND
 EndSysreg
 
 Sysreg	PMSFCR_EL1	3	0	9	9	4
-Res0	63:19
+Res0	63:53
+Field	52	SIMDm
+Field	51	FPm
+Field	50	STm
+Field	49	LDm
+Field	48	Bm
+Res0	47:21
+Field	20	SIMD
+Field	19	FP
 Field	18	ST
 Field	17	LD
 Field	16	B
-Res0	15:4
+Res0	15:5
+Field	4	FDS
 Field	3	FnE
 Field	2	FL
 Field	1	FT

-- 
2.34.1