1 files changed, 55 insertions, 0 deletions
diff --git a/kernel/arch/sh3/contextspfunc.S b/kernel/arch/sh3/contextspfunc.S
new file mode 100644
index 000000000000..51e91133417e
--- /dev/null
+++ b/kernel/arch/sh3/contextspfunc.S
@@ -0,0 +1,55 @@
+/*	$NetBSD: contextspfunc.S,v 1.1 2025/04/26 22:34:52 uwe Exp $	*/
+
+/*-
+ * Copyright (c) 2025 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#include "asm.h"
+
+RCSID("$NetBSD: contextspfunc.S,v 1.1 2025/04/26 22:34:52 uwe Exp $")
+
+
+/*
+ * void contextspfunc()
+ *
+ *	makecontext(3) function.  Store the stack pointer on entry at
+ *	the global variable contextsp and call contextdone.
+ */
+ENTRY(contextspfunc)
+	mov	sp, r1
+	PIC_PROLOGUE(.L_GOT)
+
+	MOVL_VAR(.L_contextsp, r0)
+	mov.l	r1, @r0
+
+	mov.l	.L_contextdone, r0
+1:	JUMP	r0
+	 PIC_EPILOGUE_SLOT
+
+	.p2align 2
+.L_GOT:		PIC_GOT_DATUM
+.L_contextsp:	VAR_DATUM(contextsp)
+.L_contextdone:	CALL_DATUM(contextdone, 1b)
+	SET_ENTRY_SIZE(contextspfunc)