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arm64: add CONTEXTIDR_EL1 reg

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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

(cherry picked from commit 4f8ba1c9dd)
This commit is contained in:
Zachary Leaf 2024-05-10 13:47:37 +01:00 committed by Andrew Turner
parent 064adb4ba0
commit 2f0fe453bc
1 changed files with 9 additions and 0 deletions
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9
sys/arm64/include/armreg.h
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@ -218,6 +218,15 @@
#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 */