Monolithic PowerPC kernel, new include

1 files changed, 172 insertions, 0 deletions

diff --git a/sys/arch/powerpc/include/pio.h b/sys/arch/powerpc/include/pio.h
new file mode 100644
index 00000000000..c5e767c6de1
--- /dev/null
+++ b/sys/arch/powerpc/include/pio.h
@@ -0,0 +1,172 @@
+/*	$OpenBSD: pio.h,v 1.1 1997/10/13 10:53:47 pefo Exp $ */
+
+/*
+ * Copyright (c) 1997 Per Fogelstrom, Opsycon AB and RTMX Inc, USA.
+ * 
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed under OpenBSD by
+ *	Per Fogelstrom Opsycon AB for RTMX Inc, North Carolina, USA.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 _MACHINE_PIO_H_
+#define _MACHINE_PIO_H_
+/*
+ * I/O macros.
+ */
+
+static __inline void
+__outb(a,v)
+	volatile u_int8_t *a;
+	int v;
+{
+	*a = v;
+	__asm__ volatile("eieio\n  sync");
+}
+
+static __inline void
+__outw(a,v)
+	volatile u_int16_t *a;
+	u_int16_t v;
+{
+	*a = v;
+	__asm__ volatile("eieio\n  sync");
+}
+
+static __inline void
+__outl(a,v)
+	volatile u_int32_t *a;
+	int v;
+{
+	*a = v;
+	__asm__ volatile("eieio\n  sync");
+}
+
+static __inline void
+__outwrb(a,v)
+	volatile u_int16_t *a;
+	u_int16_t v;
+{
+	u_int32_t _p_ = (u_int32_t)a;
+
+	__asm__ volatile("sthbrx %0, 0, %1\n" :: "r"(v), "r"(_p_));
+	__asm__ volatile("eieio\n  sync");
+}
+
+static __inline void
+__outlrb(a,v)
+	volatile u_int32_t *a;
+	u_int32_t v;
+{
+	u_int32_t _p_ = (u_int32_t)a;
+
+	__asm__ volatile("stwbrx %0, 0, %1\n" :: "r"(v), "r"(_p_));
+	__asm__ volatile("eieio\n  sync");
+}
+
+static __inline u_int8_t
+__inb(a)
+	volatile u_int8_t *a;
+{
+	u_int8_t _v_;
+
+	_v_ = *a;
+	__asm__ volatile("eieio\n  sync");
+	return _v_;
+}
+
+static __inline u_int16_t
+__inw(a)
+	volatile u_int16_t *a;
+{
+	u_int16_t _v_;
+
+	_v_ = *a;
+	__asm__ volatile("eieio\n  sync");
+	return _v_;
+}
+
+static __inline u_int32_t
+__inl(a)
+	volatile u_int32_t *a;
+{
+	u_int32_t _v_;
+
+	_v_ = *a;
+	__asm__ volatile("eieio\n  sync");
+	return _v_;
+}
+
+static __inline u_int16_t
+__inwrb(a)
+	volatile u_int16_t *a;
+{
+	u_int16_t _v_;
+	u_int32_t _p_ = (u_int32_t)a;
+
+	__asm__ volatile("lhbrx %0, 0, %1\n" : "=r"(_v_) : "r"(_p_));
+	__asm__ volatile("eieio\n  sync");
+	return _v_;
+}
+
+static __inline u_int32_t
+__inlrb(a)
+	volatile u_int32_t *a;
+{
+	u_int32_t _v_;
+	u_int32_t _p_ = (u_int32_t)a;
+
+	__asm__ volatile("lwbrx %0, 0, %1\n" : "=r"(_v_) : "r"(_p_));
+	__asm__ volatile("eieio\n  sync");
+	return _v_;
+}
+
+
+#define	outb(a,v)	(__outb((volatile u_int8_t *)(a), v))
+#define	out8(a,v)	outb(a,v)
+#define	outw(a,v)	(__outw((volatile u_int16_t *)(a), v))
+#define	out16(a,v)	outw(a,v)
+#define	outl(a,v)	(__outl((volatile u_int32_t *)(a), v))
+#define	out32(a,v)	outl(a,v)
+#define	inb(a)		(__inb((volatile u_int8_t *)(a)))
+#define	in8(a)		inb(a)
+#define	inw(a)		(__inw((volatile u_int16_t *)(a)))
+#define	in16(a)		inw(a)
+#define	inl(a)		(__inl((volatile u_int32_t *)(a)))
+#define	in32(a)		inl(a)
+
+#define	out8rb(a,v)	outb(a,v)
+#define	outwrb(a,v)	(__outwrb((volatile u_int16_t *)(a), v))
+#define	out16rb(a,v)	outwrb(a,v)
+#define	outlrb(a,v)	(__outlrb((volatile u_int32_t *)(a), v))
+#define	out32rb(a,v)	outlrb(a,v)
+#define	in8rb(a)	inb(a)
+#define	inwrb(a)	(__inwrb((volatile u_int16_t *)(a)))
+#define	in16rb(a)	inwrb(a)
+#define	inlrb(a)	(__inlrb((volatile u_int32_t *)(a)))
+#define	in32rb(a)	inlrb(a)
+
+#endif /*_MACHINE_PIO_H_*/