linux-kernel - [PATCH 01/10] arm64: sysreg: Add new PMSIDR_EL1 and PMSFCR

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Message-Id: <20250506-james-perf-feat_spe_eft-v1-1-dd480e8e4851@linaro.org>
Date: Tue, 06 May 2025 12:41:33 +0100
From: James Clark <james.clark@...aro.org>
To: Catalin Marinas <catalin.marinas@....com>, 
 Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....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>, 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>, leo.yan@....com
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-perf-users@...r.kernel.org, James Clark <james.clark@...aro.org>, 
 linux-doc@...r.kernel.org, kvmarm@...ts.linux.dev
Subject: [PATCH 01/10] arm64: sysreg: Add new PMSIDR_EL1 and PMSFCR_EL1
 fields

Add new fields and registers that are introduced for the features
FEAT_SPE_CRR (call return records), FEAT_SPE_EFT (extended filtering),
FEAT_SPE_FPF (floating point flag), FEAT_SPE_FDS (data source
filtering), FEAT_SPE_ALTCLK and FEAT_SPE_SME.

Signed-off-by: James Clark <james.clark@...aro.org>
---
 arch/arm64/tools/sysreg | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index bdf044c5d11b..80d57c83a5f5 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -2205,11 +2205,20 @@ 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
@@ -2226,7 +2235,12 @@ Field	15:0	MINLAT
 EndSysreg
 
 Sysreg	PMSIDR_EL1	3	0	9	9	7
-Res0	63:25
+Res0	63:33
+Field	32	SME
+Field	31:28	ALTCLK
+Field	27	FPF
+Field	26	EFT
+Field	25	CRR
 Field	24	PBT
 Field	23:20	FORMAT
 Enum	19:16	COUNTSIZE
@@ -2244,7 +2258,7 @@ Enum	11:8	INTERVAL
 	0b0111	3072
 	0b1000	4096
 EndEnum
-Res0	7
+Field	7	FDS
 Field	6	FnE
 Field	5	ERND
 Field	4	LDS
@@ -2287,6 +2301,10 @@ Field	16	COLL
 Field	15:0	MSS
 EndSysreg
 
+Sysreg	PMSDSFR_EL1	3	0	9	10	4
+Field	63:0	S
+EndSysreg
+
 Sysreg	PMBIDR_EL1	3	0	9	10	7
 Res0	63:12
 Enum	11:8	EA

-- 
2.34.1