git: bab7781e78fc - main - dtrace: deduplicate arm64 breakpoint definition

From: Christos Margiolis <christos_at_FreeBSD.org>
Date: Sat, 03 Jun 2023 17:05:17 UTC
The branch main has been updated by christos:

URL: https://cgit.FreeBSD.org/src/commit/?id=bab7781e78fccecb7c969a63e2d5668ee1c09246

commit bab7781e78fccecb7c969a63e2d5668ee1c09246
Author:     Christos Margiolis <christos@FreeBSD.org>
AuthorDate: 2023-06-03 17:04:10 +0000
Commit:     Christos Margiolis <christos@FreeBSD.org>
CommitDate: 2023-06-03 17:04:10 +0000

    dtrace: deduplicate arm64 breakpoint definition
    
    Reviewed by:    markj
    Approved by:    markj (mentor)
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D40363
---
 sys/cddl/contrib/opensolaris/uts/common/sys/dtrace.h | 6 ++++++
 sys/cddl/dev/fbt/aarch64/fbt_isa.c                   | 5 +----
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/sys/cddl/contrib/opensolaris/uts/common/sys/dtrace.h b/sys/cddl/contrib/opensolaris/uts/common/sys/dtrace.h
index b38bc71a6845..98ae9eba120a 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/sys/dtrace.h
+++ b/sys/cddl/contrib/opensolaris/uts/common/sys/dtrace.h
@@ -2479,6 +2479,10 @@ extern int dtrace_instr_c_ret(uint32_t **instr);
 
 #define	INSN_SIZE	4
 
+#define	BRK_INSTR	0xd4200000
+#define	BRK_IMM16_SHIFT	5
+#define	BRK_IMM16_VAL	(0x40d << BRK_IMM16_SHIFT)
+
 #define	B_MASK		0xff000000
 #define	B_DATA_MASK	0x00ffffff
 #define	B_INSTR		0x14000000
@@ -2515,6 +2519,8 @@ extern int dtrace_instr_c_ret(uint32_t **instr);
 #define	OFFSET_SIZE	7
 #define	OFFSET_MASK	((1 << OFFSET_SIZE) - 1)
 
+#define	DTRACE_PATCHVAL		(BRK_INSTR | BRK_IMM16_VAL)
+
 #define	DTRACE_INVOP_STP	1
 #define	DTRACE_INVOP_RET	2
 #define	DTRACE_INVOP_B		3
diff --git a/sys/cddl/dev/fbt/aarch64/fbt_isa.c b/sys/cddl/dev/fbt/aarch64/fbt_isa.c
index 26d750bf540c..cc4ea42715c8 100644
--- a/sys/cddl/dev/fbt/aarch64/fbt_isa.c
+++ b/sys/cddl/dev/fbt/aarch64/fbt_isa.c
@@ -38,10 +38,7 @@
 
 #include "fbt.h"
 
-#define	AARCH64_BRK		0xd4200000
-#define	AARCH64_BRK_IMM16_SHIFT	5
-#define	AARCH64_BRK_IMM16_VAL	(0x40d << AARCH64_BRK_IMM16_SHIFT)
-#define	FBT_PATCHVAL		(AARCH64_BRK | AARCH64_BRK_IMM16_VAL)
+#define	FBT_PATCHVAL	DTRACE_PATCHVAL
 #define	FBT_AFRAMES	4
 
 int