[PATCH v2 3/6] arm64/sysreg: Generate definitions for CPACR_ELx

Mark Brown broonie at kernel.org
Fri May 20 09:16:35 PDT 2022


Convert the CPACR system register definitions to be automatically generated
using the definitions in DDI0487H.a. The kernel does have some additional
definitions for subfields of SMEN, FPEN and ZEN which are not identified as
distinct subfields in the architecture so the definitions are not updated
as part of this patch.

No functional change.

Signed-off-by: Mark Brown <broonie at kernel.org>
---
 arch/arm64/include/asm/sysreg.h |  2 --
 arch/arm64/tools/sysreg         | 20 ++++++++++++++++++++
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 4fd64e6ec407..7603c3344697 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -209,7 +209,6 @@
 #define SYS_ID_AA64MMFR2_EL1		sys_reg(3, 0, 0, 7, 2)
 
 #define SYS_ACTLR_EL1			sys_reg(3, 0, 1, 0, 1)
-#define SYS_CPACR_EL1			sys_reg(3, 0, 1, 0, 2)
 #define SYS_RGSR_EL1			sys_reg(3, 0, 1, 0, 5)
 #define SYS_GCR_EL1			sys_reg(3, 0, 1, 0, 6)
 
@@ -614,7 +613,6 @@
 
 /* VHE encodings for architectural EL0/1 system registers */
 #define SYS_SCTLR_EL12			sys_reg(3, 5, 1, 0, 0)
-#define SYS_CPACR_EL12			sys_reg(3, 5, 1, 0, 2)
 #define SYS_TTBR0_EL12			sys_reg(3, 5, 2, 0, 0)
 #define SYS_TTBR1_EL12			sys_reg(3, 5, 2, 0, 1)
 #define SYS_TCR_EL12			sys_reg(3, 5, 2, 0, 2)
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index b2e01e108b8e..4bf413770b65 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -185,6 +185,22 @@ Field	1	A
 Field	0	M
 EndSysreg
 
+SysregFields	CPACR_ELx
+Res0	63:29
+Field	28	TTA
+Res0	27:26
+Field	25:24	SMEN
+Res0	23:22
+Field	21:20	FPEN
+Res0	19:18
+Field	17:16	ZEN
+Res0	15:0
+EndSysregFields
+
+Sysreg	CPACR_EL1	3	0	1	0	2
+Fields	CPACR_ELx
+EndSysreg
+
 Sysreg	SMPRI_EL1	3	0	1	2	4
 Res0	63:4
 Field	3:0	PRIORITY
@@ -283,6 +299,10 @@ Sysreg	CONTEXTIDR_EL2	3	4	13	0	1
 Fields	CONTEXTIDR_ELx
 EndSysreg
 
+Sysreg	CPACR_EL12	3	5	1	0	2
+Fields	CPACR_ELx
+EndSysreg
+
 Sysreg	ZCR_EL12	3	5	1	2	0
 Fields	ZCR_ELx
 EndSysreg
-- 
2.30.2




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