git: e7a9961870d9 - stable/13 - arm64: Add CurrentEL register definitions

The branch stable/13 has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=e7a9961870d96676e65451102deb14470559d101

commit e7a9961870d96676e65451102deb14470559d101
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2024-02-19 14:57:34 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2024-07-15 12:34:28 +0000

    arm64: Add CurrentEL register definitions
    
    Sponsored by:   Arm Ltd
    Differential Revision:  https://reviews.freebsd.org/D43971
    
    (cherry picked from commit 5e7941b6c979a55dc67baf316db6932c09b14022)
---
 sys/arm64/include/armreg.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h
index b2d9d0926c8f..22bb71dbea51 100644
--- a/sys/arm64/include/armreg.h
+++ b/sys/arm64/include/armreg.h
@@ -193,6 +193,14 @@
 #define	CTR_ILINE_VAL(reg)	((reg) & CTR_ILINE_MASK)
 #define	CTR_ILINE_SIZE(reg)	(4 << (CTR_ILINE_VAL(reg) >> CTR_ILINE_SHIFT))
 
+/* CurrentEL - Current Exception Level */
+#define	CURRENTEL_EL_SHIFT	2
+#define	CURRENTEL_EL_MASK	(0x3 << CURRENTEL_EL_SHIFT)
+#define	 CURRENTEL_EL_EL0	(0x0 << CURRENTEL_EL_SHIFT)
+#define	 CURRENTEL_EL_EL1	(0x1 << CURRENTEL_EL_SHIFT)
+#define	 CURRENTEL_EL_EL2	(0x2 << CURRENTEL_EL_SHIFT)
+#define	 CURRENTEL_EL_EL3	(0x3 << CURRENTEL_EL_SHIFT)
+
 /* DAIFSet/DAIFClear */
 #define	DAIF_D			(1 << 3)
 #define	DAIF_A			(1 << 2)