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

This commit is contained in:

Zachary Leaf

2024-05-10 13:47:37 +01:00

committed by

Andrew Turner

parent 10b3eac88d

commit 4f8ba1c9dd

1 changed files with 9 additions and 0 deletions

									
										sys/arm64/include/armreg.h
									
		+9
		
												View File
												
				@@ -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 */