1 files changed, 127 insertions, 0 deletions
diff --git a/sys/powerpc/include/cpufunc.h b/sys/powerpc/include/cpufunc.h
new file mode 100644
index 0000000..d9ad6ae
--- /dev/null
+++ b/sys/powerpc/include/cpufunc.h
@@ -0,0 +1,127 @@
+/*-
+ * Copyright (c) 1998 Doug Rabson
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_CPUFUNC_H_
+#define	_MACHINE_CPUFUNC_H_
+
+#ifdef _KERNEL
+
+#include <sys/types.h>
+
+#ifdef __GNUC__
+
+static __inline void
+breakpoint(void)
+{
+	return;
+}
+
+#endif
+
+/*
+ * Bogus interrupt manipulation
+ */
+static __inline void
+disable_intr(void)
+{
+	u_int32_t	msr;
+
+	msr = 0;
+	__asm __volatile(
+		"mfmsr %0\n\t"
+		"rlwinm %0, %0, 0, 17, 15\n\t"
+		"mtmsr %0"
+		: "+r" (msr));
+
+	return;
+}
+
+static __inline void
+enable_intr(void)
+{
+	u_int32_t	msr;
+
+	msr = 0;
+	__asm __volatile(
+		"mfmsr %0\n\t"
+		"ori %0, %0, 0x8000\n\t"
+		"mtmsr %0"
+		: "+r" (msr));
+
+	return;
+}
+
+static __inline u_int
+save_intr(void)
+{
+	u_int	msr;
+
+	__asm __volatile("mfmsr %0" : "=r" (msr));
+
+	return msr;
+}
+
+static __inline critical_t
+critical_enter(void)
+{
+	return ((critical_t)save_intr());
+}
+
+static __inline void
+restore_intr(u_int msr)
+{
+	__asm __volatile("mtmsr %0" : : "r" (msr));
+
+	return;
+}
+
+static __inline void
+critical_exit(critical_t msr)
+{
+	return (restore_intr((u_int)msr));
+}
+
+static __inline void
+powerpc_mb(void)
+{
+	__asm __volatile("eieio;" : : : "memory");
+}
+
+static __inline void
+*powerpc_get_globalp(void)
+{
+	void *ret;
+
+	__asm __volatile("mfsprg %0, 0" : "=r" (ret));
+
+	return(ret);
+}
+
+#endif /* _KERNEL */
+
+#endif /* !_MACHINE_CPUFUNC_H_ */