git: 6ac2d3cfb4ad - stable/14 - arm64: Add the tcr_el2 ds field

From: Andrew Turner <andrew_at_FreeBSD.org>
Date: Mon, 21 Oct 2024 15:05:04 UTC
The branch stable/14 has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=6ac2d3cfb4add8b1adaf549e8d6bc887f6afc176

commit 6ac2d3cfb4add8b1adaf549e8d6bc887f6afc176
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2024-09-05 12:11:42 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2024-10-21 15:03:26 +0000

    arm64: Add the tcr_el2 ds field
    
    This will be used to support FEAT_LPA2 to allow more than 48 bits of
    physical address space.
    
    Reviewed by:    alc, kib, markj
    Sponsored by:   Arm Ltd
    Differential Revision:  https://reviews.freebsd.org/D46392
    
    (cherry picked from commit 7be11454edd4eca6cbd299cb5b486294f912ffbd)
---
 sys/arm64/include/armreg.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h
index 734fb55f07ba..8bf4445e13b3 100644
--- a/sys/arm64/include/armreg.h
+++ b/sys/arm64/include/armreg.h
@@ -2396,6 +2396,8 @@
 #define	TCR_EL1_CRm			0
 #define	TCR_EL1_op2			2
 /* Bits 63:59 are reserved */
+#define	TCR_DS_SHIFT		59
+#define	TCR_DS			(UL(1) << TCR_DS_SHIFT)
 #define	TCR_TCMA1_SHIFT		58
 #define	TCR_TCMA1		(UL(1) << TCR_TCMA1_SHIFT)
 #define	TCR_TCMA0_SHIFT		57