Beginnings of the powerpc machine dependant includes.

Reviewed by:	obrien
Obtained from:	NetBSD

2 files changed, 138 insertions, 0 deletions

diff --git a/sys/powerpc/include/frame.h b/sys/powerpc/include/frame.h
new file mode 100644
index 0000000..ee32172
--- /dev/null
+++ b/sys/powerpc/include/frame.h
@@ -0,0 +1,93 @@
+/* $FreeBSD$ */
+/* $NetBSD: frame.h,v 1.2 1999/01/10 10:13:15 tsubai Exp $ */
+
+/*
+ * Copyright (C) 1995, 1996 Wolfgang Solfrank.
+ * Copyright (C) 1995, 1996 TooLs GmbH.
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by TooLs GmbH.
+ * 4. The name of TooLs GmbH may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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_FRAME_H_
+#define	_MACHINE_FRAME_H_
+
+#include <machine/types.h>
+
+/*
+ * We have to save all registers on every trap, because
+ *	1. user could attach this process every time
+ *	2. we must be able to restore all user registers in case of fork
+ * Actually, we do not save the fp registers on trap, since
+ * these are not used by the kernel. They are saved only when switching
+ * between processes using the FPU.
+ *
+ * Change ordering to cluster together these register_t's.		XXX
+ */
+struct trapframe {
+	register_t fixreg[32];
+	register_t lr;
+	int cr;
+	int xer;
+	register_t ctr;
+	register_t srr0;
+	register_t srr1;
+	register_t dar;			/* dar & dsisr are only filled on a DSI trap */
+	int dsisr;
+	int exc;
+};
+/*
+ * This is to ensure alignment of the stackpointer
+ */
+#define	FRAMELEN	roundup(sizeof(struct trapframe) + 8, 16)
+#define	trapframe(p)	((struct trapframe *)((char *)(p)->p_addr + USPACE - FRAMELEN + 8))
+
+struct switchframe {
+	register_t sp;
+	int fill;
+	int user_sr;
+	int cr;
+	register_t fixreg2;
+	register_t fixreg[19];		/* R13-R31 */
+};
+
+struct clockframe {
+	register_t srr1;
+	register_t srr0;
+	int pri;
+	int depth;
+};
+
+/*
+ * Call frame for PowerPC used during fork.
+ */
+struct callframe {
+	register_t sp;
+	register_t lr;
+	register_t r30;
+	register_t r31;
+};
+
+#endif	/* _MACHINE_FRAME_H_ */
diff --git a/sys/powerpc/include/ucontext.h b/sys/powerpc/include/ucontext.h
new file mode 100644
index 0000000..005bcdb
--- /dev/null
+++ b/sys/powerpc/include/ucontext.h
@@ -0,0 +1,45 @@
+/* $FreeBSD$ */
+/* $NetBSD: signal.h,v 1.4 1998/09/14 02:48:34 thorpej Exp $ */
+
+/*
+ * Copyright (C) 1995, 1996 Wolfgang Solfrank.
+ * Copyright (C) 1995, 1996 TooLs GmbH.
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by TooLs GmbH.
+ * 4. The name of TooLs GmbH may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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_UCONTEXT_H_
+#define	_MACHINE_UCONTEXT_H_
+
+#include <machine/frame.h>
+
+
+typedef struct __mcontext {
+	int mc_onstack;			/* saved onstack flag */
+	struct trapframe mc_frame;	/* saved registers */
+} mcontext_t;
+
+#endif	/* !_MACHINE_UCONTEXT_H_ */