linux-kernel - [PATCH 12/13] arm64/sysreg: Add definition for FPMR

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Message-Id: <20231209-b4-arm64-sysreg-additions-v1-12-45284e538474@kernel.org>
Date:   Sat, 09 Dec 2023 01:02:58 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Cc:     Fuad Tabba <tabba@...gle.com>, Joey Gouly <joey.gouly@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH 12/13] arm64/sysreg: Add definition for FPMR

DDI0601 2023-09 defines a new sysrem register FPMR (Floating Point Mode
Register) which configures the new FP8 features. Add a definition of this
register.

Signed-off-by: Mark Brown <broonie@...nel.org>
---
 arch/arm64/tools/sysreg | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 1acec8f5c37d..1c6d1c904750 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -2139,6 +2139,29 @@ Field	1	ZA
 Field	0	SM
 EndSysreg
 
+Sysreg	FPMR	3	3	4	4	2
+Res0	63:38
+Field	37:32	LSCALE2
+Field	31:24	NSCALE
+Res0	23
+Field	22:16	LSCALE
+Field	15	OSC
+Field	14	OSM
+Res0	13:9
+UnsignedEnum	8:6	F8D
+	0b000	E5M2
+	0b001	E4M3
+EndEnum
+UnsignedEnum	5:3	F8S2
+	0b000	E5M2
+	0b001	E4M3
+EndEnum
+UnsignedEnum	2:0	F8S1
+	0b000	E5M2
+	0b001	E4M3
+EndEnum
+EndSysreg
+
 SysregFields	HFGxTR_EL2
 Field	63	nAMAIR2_EL1
 Field	62	nMAIR2_EL1

-- 
2.39.2