git: 474d800a341c - stable/15 - arm64: Add the PMBSR_MSS_BSC_BUFFER_FILLED define

From: Andrew Turner <andrew_at_FreeBSD.org>
Date: Tue, 13 Jan 2026 16:27:38 UTC
The branch stable/15 has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=474d800a341cf86a01d6ce836c0bda2e2a4c258d

commit 474d800a341cf86a01d6ce836c0bda2e2a4c258d
Author:     Sarah Walker <sarah.walker2@arm.com>
AuthorDate: 2025-11-12 16:55:28 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2026-01-13 14:06:20 +0000

    arm64: Add the PMBSR_MSS_BSC_BUFFER_FILLED define
    
    This will be used by the SPE driver.
    
    (commit message by andrew@)
    
    Reviewed by:    andrew
    Sponsored by:   Arm Ltd
    
    (cherry picked from commit 736b7ec362a3db58007361ecbbb62dfb4bb3031e)
---
 sys/arm64/include/armreg.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h
index aa9b672ad85a..27b02c44cd76 100644
--- a/sys/arm64/include/armreg.h
+++ b/sys/arm64/include/armreg.h
@@ -2251,6 +2251,7 @@
 #define	PMBSR_MSS_SHIFT			0
 #define	PMBSR_MSS_MASK			(UL(0xffff) << PMBSR_MSS_SHIFT)
 #define	PMBSR_MSS_BSC_MASK		(UL(0x3f) << PMBSR_MSS_SHIFT)
+#define	PMBSR_MSS_BSC_BUFFER_FILLED	(UL(0x01) << PMBSR_MSS_SHIFT)
 #define	PMBSR_MSS_FSC_MASK		(UL(0x3f) << PMBSR_MSS_SHIFT)
 #define	PMBSR_COLL_SHIFT		16
 #define	PMBSR_COLL			(UL(0x1) << PMBSR_COLL_SHIFT)