[PATCH v3 1/5] arm64/sysreg: Add HDBSS related register information

[Tian Zheng]

From: eillon <yezhenyu2 at huawei.com>

The ARM architecture added the HDBSS feature and descriptions of
related registers (HDBSSBR/HDBSSPROD) in the DDI0601(ID121123) version,
add them to Linux.

Signed-off-by: eillon <yezhenyu2 at huawei.com>
Signed-off-by: Tian Zheng <zhengtian10 at huawei.com>
---
 arch/arm64/include/asm/esr.h |  2 ++
 arch/arm64/tools/sysreg      | 29 +++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 7e86d400864e..81c17320a588 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -160,6 +160,8 @@
 #define ESR_ELx_CM 		(UL(1) << ESR_ELx_CM_SHIFT)

 /* ISS2 field definitions for Data Aborts */
+#define ESR_ELx_HDBSSF_SHIFT	(11)
+#define ESR_ELx_HDBSSF		(UL(1) << ESR_ELx_HDBSSF_SHIFT)
 #define ESR_ELx_TnD_SHIFT	(10)
 #define ESR_ELx_TnD 		(UL(1) << ESR_ELx_TnD_SHIFT)
 #define ESR_ELx_TagAccess_SHIFT	(9)
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 9d1c21108057..e166ab322de2 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -4528,6 +4528,35 @@ Sysreg	GCSPR_EL2	3	4	2	5	1
 Fields	GCSPR_ELx
 EndSysreg

+Sysreg	HDBSSBR_EL2	3	4	2	3	2
+Res0	63:56
+Field	55:12	BADDR
+Res0	11:4
+Enum	3:0	SZ
+	0b0000	4KB
+	0b0001	8KB
+	0b0010	16KB
+	0b0011	32KB
+	0b0100	64KB
+	0b0101	128KB
+	0b0110	256KB
+	0b0111	512KB
+	0b1000	1MB
+	0b1001	2MB
+EndEnum
+EndSysreg
+
+Sysreg	HDBSSPROD_EL2	3	4	2	3	3
+Res0	63:32
+Enum	31:26	FSC
+	0b000000	OK
+	0b010000	ExternalAbort
+	0b101000	GPF
+EndEnum
+Res0	25:19
+Field	18:0	INDEX
+EndSysreg
+
 Sysreg	DACR32_EL2	3	4	3	0	0
 Res0	63:32
 Field	31:30	D15
--
2.33.0