git: 4f8ba1c9dd00 - main - arm64: add CONTEXTIDR_EL1 reg

The branch main has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=4f8ba1c9dd00e0ae20fa161e166715746b6d1c04

commit 4f8ba1c9dd00e0ae20fa161e166715746b6d1c04
Author:     Zachary Leaf <zachary.leaf@arm.com>
AuthorDate: 2024-05-10 12:47:37 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2024-05-17 14:46:27 +0000

    arm64: add CONTEXTIDR_EL1 reg
    
    CONTEXTIDR_EL1 is used in debug and trace features to identify the
    current process or context.
    
    Reviewed by:    andrew
    Sponsored by:   Arm Ltd
    Differential Revision:  https://reviews.freebsd.org/D45173
---
 sys/arm64/include/armreg.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h
index ccd9f4a5c78a..d1480cd61184 100644
--- a/sys/arm64/include/armreg.h
+++ b/sys/arm64/include/armreg.h
@@ -138,6 +138,15 @@
 #define	CNTPCT_EL0_CRm		0
 #define	CNTPCT_EL0_op2		1
 
+/* CONTEXTIDR_EL1 - Context ID register */
+#define	CONTEXTIDR_EL1		MRS_REG(CONTEXTIDR_EL1)
+#define	CONTEXTIDR_EL1_REG	MRS_REG_ALT_NAME(CONTEXTIDR_EL1)
+#define	CONTEXTIDR_EL1_op0	3
+#define	CONTEXTIDR_EL1_op1	0
+#define	CONTEXTIDR_EL1_CRn	13
+#define	CONTEXTIDR_EL1_CRm	0
+#define	CONTEXTIDR_EL1_op2	1
+
 /* CPACR_EL1 */
 #define	CPACR_ZEN_MASK		(0x3 << 16)
 #define	 CPACR_ZEN_TRAP_ALL1	(0x0 << 16) /* Traps from EL0 and EL1 */