[PATCH 01/25] arm64: sysreg: Add missing ID_AA64ISAR[13]_EL1 fields and variants

Marc Zyngier maz at kernel.org
Mon Jan 22 12:18:28 PST 2024


Despite having the control bits for FEAT_SPECRES and FEAT_PACM,
the ID registers fields are either incomplete or missing.

Fix it.

Signed-off-by: Marc Zyngier <maz at kernel.org>
---
 arch/arm64/tools/sysreg | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index fa3fe0856880..53daaaef46cb 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1366,6 +1366,7 @@ EndEnum
 UnsignedEnum	43:40	SPECRES
 	0b0000	NI
 	0b0001	IMP
+	0b0010	COSP_RCTX
 EndEnum
 UnsignedEnum	39:36	SB
 	0b0000	NI
@@ -1492,7 +1493,12 @@ EndEnum
 EndSysreg
 
 Sysreg	ID_AA64ISAR3_EL1	3	0	0	6	3
-Res0	63:12
+Res0	63:16
+UnsignedEnum	15:12	PACM
+	0b0000	NI
+	0b0001	TRIVIAL_IMP
+	0b0010	FULL_IMP
+EndEnum
 UnsignedEnum	11:8	TLBIW
 	0b0000	NI
 	0b0001	IMP
-- 
2.39.2




More information about the linux-arm-kernel mailing list