[RFC PATCH 26/38] arm64/sysreg: Convert ID_ISAR4_EL1 to automatic generation

James Morse james.morse at arm.com
Fri Sep 30 07:01:59 PDT 2022


Convert ID_ISAR4_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         | 39 +++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 10 deletions(-)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 1d60405f0686..2faa339a8aae 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -173,7 +173,6 @@
 #define SYS_ID_AFR0_EL1			sys_reg(3, 0, 0, 1, 3)
 #define SYS_ID_MMFR5_EL1		sys_reg(3, 0, 0, 3, 6)
 
-#define SYS_ID_ISAR4_EL1		sys_reg(3, 0, 0, 2, 4)
 #define SYS_ID_ISAR5_EL1		sys_reg(3, 0, 0, 2, 5)
 #define SYS_ID_ISAR6_EL1		sys_reg(3, 0, 0, 2, 7)
 
@@ -688,15 +687,6 @@
 #define ID_DFR0_EL1_PerfMon_PMUv3p4		0x5
 #define ID_DFR0_EL1_PerfMon_PMUv3p5		0x6
 
-#define ID_ISAR4_EL1_SWP_frac_SHIFT		28
-#define ID_ISAR4_EL1_PSR_M_SHIFT		24
-#define ID_ISAR4_EL1_SynchPrim_frac_SHIFT	20
-#define ID_ISAR4_EL1_Barrier_SHIFT		16
-#define ID_ISAR4_EL1_SMC_SHIFT			12
-#define ID_ISAR4_EL1_Writeback_SHIFT		8
-#define ID_ISAR4_EL1_WithShifts_SHIFT		4
-#define ID_ISAR4_EL1_Unpriv_SHIFT		0
-
 #define ID_DFR1_EL1_MTPMU_SHIFT		0
 
 #define ID_ISAR5_EL1_RDM_SHIFT		24
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 3d9a749af24b..8d85b88c4f6e 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -382,6 +382,45 @@ Enum	3:0	Saturate
 EndEnum
 EndSysreg
 
+Sysreg ID_ISAR4_EL1	3	0	0	2	4
+Res0	63:32
+Enum	31:28	SWP_frac
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	27:24	PSR_M
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	23:20	SynchPrim_frac
+	0b0000	NI
+	0b0011	IMP
+EndEnum
+Enum	19:16	Barrier
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	15:12	SMC
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	11:8	Writeback
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	7:4	WithShifts
+	0b0000	NI
+	0b0001	LSL3
+	0b0011	LS
+	0b0100	REG
+EndEnum
+Enum	3:0	Unpriv
+	0b0000	NI
+	0b0001	REG_BYTE
+	0b0010	SIGNED_HALFWORD
+EndEnum
+EndSysreg
+
 Sysreg ID_MMFR4_EL1	3	0	0	2	6
 Res0	63:32
 Enum	31:28	EVT
-- 
2.30.2




More information about the linux-arm-kernel mailing list