git: 09ac9cf8971a - main - arm64: Add ISS_MSR_REG for ESR_ELx.ISS values

The branch main has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=09ac9cf8971a0709bb8d5a3a703cd3dbff882b6f

commit 09ac9cf8971a0709bb8d5a3a703cd3dbff882b6f
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2024-02-21 18:10:19 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2024-02-21 18:55:32 +0000

    arm64: Add ISS_MSR_REG for ESR_ELx.ISS values
    
    Add a macro to get the ESR_ELx ISS value when we trap accessing a
    special register.
---
 sys/arm64/include/armreg.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h
index 46d13d253746..41ab55a49c76 100644
--- a/sys/arm64/include/armreg.h
+++ b/sys/arm64/include/armreg.h
@@ -365,6 +365,12 @@
 #define	 ISS_MSR_REG_MASK	\
     (ISS_MSR_OP0_MASK | ISS_MSR_OP2_MASK | ISS_MSR_OP1_MASK | 	\
      ISS_MSR_CRn_MASK | ISS_MSR_CRm_MASK)
+#define	 ISS_MSR_REG(reg)				\
+    (((reg ## _op0) << ISS_MSR_OP0_SHIFT) |		\
+     ((reg ## _op1) << ISS_MSR_OP1_SHIFT) |		\
+     ((reg ## _CRn) << ISS_MSR_CRn_SHIFT) |		\
+     ((reg ## _CRm) << ISS_MSR_CRm_SHIFT) |		\
+     ((reg ## _op2) << ISS_MSR_OP2_SHIFT))
 
 #define	 ISS_DATA_ISV_SHIFT	24
 #define	 ISS_DATA_ISV		(0x01 << ISS_DATA_ISV_SHIFT)