1 files changed, 74 insertions, 0 deletions
diff --git a/sys/riscv/include/pcpu.h b/sys/riscv/include/pcpu.h
new file mode 100644
index 0000000..c60a954
--- /dev/null
+++ b/sys/riscv/include/pcpu.h
@@ -0,0 +1,74 @@
+/*-
+ * Copyright (c) 1999 Luoqi Chen <luoqi@freebsd.org>
+ * 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 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.
+ *
+ *	from: FreeBSD: src/sys/i386/include/globaldata.h,v 1.27 2001/04/27
+ * $FreeBSD$
+ */
+
+#ifndef	_MACHINE_PCPU_H_
+#define	_MACHINE_PCPU_H_
+
+#include <machine/cpu.h>
+#include <machine/cpufunc.h>
+
+#define	ALT_STACK_SIZE	128
+
+#define	PCPU_MD_FIELDS							\
+	char __pad[129]
+
+#ifdef _KERNEL
+
+struct pcb;
+struct pcpu;
+extern struct pcpu *pcpup;
+
+static inline struct pcpu *
+get_pcpu(void)
+{
+
+	return (pcpup);
+}
+
+static inline struct thread *
+get_curthread(void)
+{
+	struct thread *td;
+
+	td = (struct thread *)*(uint64_t *)pcpup;
+
+	return (td);
+}
+
+#define	curthread get_curthread()
+
+#define	PCPU_GET(member)	(get_pcpu()->pc_ ## member)
+#define	PCPU_ADD(member, value)	(get_pcpu()->pc_ ## member += (value))
+#define	PCPU_INC(member)	PCPU_ADD(member, 1)
+#define	PCPU_PTR(member)	(&get_pcpu()->pc_ ## member)
+#define	PCPU_SET(member,value)	(get_pcpu()->pc_ ## member = (value))
+
+#endif	/* _KERNEL */
+
+#endif	/* !_MACHINE_PCPU_H_ */