[RFC PATCH 17/38] arm64/sysreg: Convert ID_MMFR0_EL1 to automatic generation

James Morse james.morse at arm.com
Fri Sep 30 07:01:50 PDT 2022


Convert ID_MMFR0_EL1 to be automatically generated as per DDI04187H.a,
no functional changes.

Signed-off-by: James Morse <james.morse at arm.com>
---
 arch/arm64/include/asm/sysreg.h | 10 -------
 arch/arm64/tools/sysreg         | 47 +++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+), 10 deletions(-)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 5c8125fd2a0e..6bb53b43bf71 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -171,7 +171,6 @@
 #define SYS_ID_DFR0_EL1			sys_reg(3, 0, 0, 1, 2)
 #define SYS_ID_DFR1_EL1			sys_reg(3, 0, 0, 3, 5)
 #define SYS_ID_AFR0_EL1			sys_reg(3, 0, 0, 1, 3)
-#define SYS_ID_MMFR0_EL1		sys_reg(3, 0, 0, 1, 4)
 #define SYS_ID_MMFR1_EL1		sys_reg(3, 0, 0, 1, 5)
 #define SYS_ID_MMFR2_EL1		sys_reg(3, 0, 0, 1, 6)
 #define SYS_ID_MMFR3_EL1		sys_reg(3, 0, 0, 1, 7)
@@ -731,15 +730,6 @@
 #define ID_ISAR6_EL1_DP_SHIFT		4
 #define ID_ISAR6_EL1_JSCVT_SHIFT	0
 
-#define ID_MMFR0_EL1_InnerShr_SHIFT	28
-#define ID_MMFR0_EL1_FCSE_SHIFT		24
-#define ID_MMFR0_EL1_AuxReg_SHIFT	20
-#define ID_MMFR0_EL1_TCM_SHIFT		16
-#define ID_MMFR0_EL1_ShareLvl_SHIFT	12
-#define ID_MMFR0_EL1_OuterShr_SHIFT	8
-#define ID_MMFR0_EL1_PMSA_SHIFT		4
-#define ID_MMFR0_EL1_VMSA_SHIFT		0
-
 #define ID_MMFR4_EL1_EVT_SHIFT		28
 #define ID_MMFR4_EL1_CCIDX_SHIFT	24
 #define ID_MMFR4_EL1_LSM_SHIFT		20
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 7f1fb36f208c..afbf7a1d0d14 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -46,6 +46,53 @@
 # feature that introduces them (eg, FEAT_LS64_ACCDATA introduces enumeration
 # item ACCDATA) though it may be more taseful to do something else.
 
+Sysreg ID_MMFR0_EL1	3	0	0	1	4
+Res0	63:32
+Enum	31:28	InnerShr
+	0b0000	NC
+	0b0001	HW
+	0b1111	IGNORED
+EndEnum
+Enum	27:24	FCSE
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	23:20	AuxReg
+	0b0000	NI
+	0b0001	ACTLR
+	0b0010	AIFSR
+EndEnum
+Enum	19:16	TCM
+	0b0000	NI
+	0b0001	IMPDEF
+	0b0010	TCM
+	0b0011	TCM_DMA
+EndEnum
+Enum	15:12	ShareLvl
+	0b0000	ONE
+	0b0001	TWO
+EndEnum
+Enum	11:8	OuterShr
+	0b0000	NC
+	0b0001	HW
+	0b1111	IGNORED
+EndEnum
+Enum	7:4	PMSA
+	0b0000	NI
+	0b0001	IMPDEF
+	0b0010	PMSAv6
+	0b0011	PMSAv7
+EndEnum
+Enum	3:0	VMSA
+	0b0000	NI
+	0b0001	IMPDEF
+	0b0010	VMSAv6
+	0b0011	VMSAv7
+	0b0100	VMSAv7_PXN
+	0b0101	VMSAv7_LONG
+EndEnum
+EndSysreg
+
 Sysreg	ID_AA64PFR0_EL1	3	0	0	4	0
 Enum	63:60	CSV3
 	0b0000	NI
-- 
2.30.2




More information about the linux-arm-kernel mailing list