git: 0accd7267475 - main - Add the arm64 TTBR fields to armreg.h

From: Andrew Turner <andrew_at_FreeBSD.org>
Date: Wed, 05 Jan 2022 15:10:54 UTC
The branch main has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=0accd726747522b1754803ca73a3631ee150e9ee

commit 0accd726747522b1754803ca73a3631ee150e9ee
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2022-01-05 13:06:47 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2022-01-05 14:56:25 +0000

    Add the arm64 TTBR fields to armreg.h
    
    Sponsored by:   The FreeBSD Foundation
---
 sys/arm64/include/armreg.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h
index bcbe9d13863d..19be64316fbc 100644
--- a/sys/arm64/include/armreg.h
+++ b/sys/arm64/include/armreg.h
@@ -1187,6 +1187,13 @@
 #define	TCR_SMP_ATTRS	0
 #endif
 
+/* TTBR0_EL1 & TTBR1_EL1 - Translation Table Base Register 0 & 1 */
+#define	TTBR_ASID_SHIFT		48
+#define	TTBR_ASID_MASK		(0xfffful << TTBR_ASID_SHIFT)
+#define	TTBR_BADDR		0x0000fffffffffffeul
+#define	TTBR_CnP_SHIFT		0
+#define	TTBR_CnP		(1ul << TTBR_CnP_SHIFT)
+
 /* Saved Program Status Register */
 #define	DBG_SPSR_SS	(0x1 << 21)