4 files changed, 43 insertions, 1 deletions
diff --git a/sys/arm64/include/cpufunc.h b/sys/arm64/include/cpufunc.h
index e6e1f682794e..e9eee643216b 100644
--- a/sys/arm64/include/cpufunc.h
+++ b/sys/arm64/include/cpufunc.h
@@ -96,6 +96,13 @@ serror_enable(void)
 	__asm __volatile("msr daifclr, #(" __XSTRING(DAIF_A) ")");
 }
 
+static __inline void
+serror_disable(void)
+{
+
+	__asm __volatile("msr daifset, #(" __XSTRING(DAIF_A) ")");
+}
+
 static __inline register_t
 get_midr(void)
 {
diff --git a/sys/arm64/include/kexec.h b/sys/arm64/include/kexec.h
new file mode 100644
index 000000000000..0a8c7a053331
--- /dev/null
+++ b/sys/arm64/include/kexec.h
@@ -0,0 +1,33 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2025 Juniper Networks, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef	_ARM64_KEXEC_H_
+#define	_ARM64_KEXEC_H_
+
+#define KEXEC_MD_PAGES(x) 0
+
+#endif	/* _ARM64_KEXEC_H_ */
diff --git a/sys/arm64/include/pcpu.h b/sys/arm64/include/pcpu.h
index 09bd8fa8a966..73399d2c3f8c 100644
--- a/sys/arm64/include/pcpu.h
+++ b/sys/arm64/include/pcpu.h
@@ -50,7 +50,8 @@ struct debug_monitor_state;
 	struct pmap *pc_curvmpmap;					\
 	uint64_t pc_mpidr;						\
 	u_int	pc_bcast_tlbi_workaround;				\
-	char __pad[197]
+	uint64_t pc_release_addr;					\
+	char __pad[189]
 
 #ifdef _KERNEL
 
diff --git a/sys/arm64/include/smp.h b/sys/arm64/include/smp.h
index 500cd1ef4f02..4a5bfda3ac1c 100644
--- a/sys/arm64/include/smp.h
+++ b/sys/arm64/include/smp.h
@@ -40,6 +40,7 @@ enum {
 	IPI_STOP,
 	IPI_STOP_HARD,
 	IPI_HARDCLOCK,
+	IPI_OFF,
 	INTR_IPI_COUNT,
 };