an amd64 arch support.

hacked by art@ from netbsd sources and then later debugged
by me into the shape where it can host itself.
no bootloader yet as needs redoing from the
recent advanced i386 sources (anyone? ;)

1 files changed, 102 insertions, 0 deletions

diff --git a/sys/arch/amd64/include/reg.h b/sys/arch/amd64/include/reg.h
new file mode 100644
index 00000000000..f594a44c6fc
--- /dev/null
+++ b/sys/arch/amd64/include/reg.h
@@ -0,0 +1,102 @@
+/*	$OpenBSD: reg.h,v 1.1 2004/01/28 01:39:39 mickey Exp $	*/
+/*	$NetBSD: reg.h,v 1.1 2003/04/26 18:39:47 fvdl Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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 the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	@(#)reg.h	5.5 (Berkeley) 1/18/91
+ */
+
+#ifndef _AMD64_REG_H_
+#define _AMD64_REG_H_
+
+#include <machine/mcontext.h>
+#include <machine/fpu.h>
+
+/*
+ * XXX
+ * The #defines aren't used in the kernel, but some user-level code still
+ * expects them.
+ */
+
+/* When referenced during a trap/exception, registers are at these offsets */
+
+#define tR15	0
+#define tR14	1
+#define tR13	2
+#define tR12	3
+#define tR11	4
+#define tR10	5
+#define tR9	6
+#define tR8	7
+#define	tRDI	8
+#define	tRSI	9
+#define	tRBP	10
+#define	tRBX	11
+#define	tRDX	12
+#define	tRCX	13
+#define	tRAX	14
+
+#define	tRIP	17
+#define	tCS	18
+#define	tRFLAGS	19
+#define	tRSP	20
+#define	tSS	21
+
+/*
+ * Registers accessible to ptrace(2) syscall for debugger use.
+ * Same as mcontext.__gregs and struct trapframe, they must
+ * remain synced (XXX should use common structure).
+ */
+struct reg {
+	long	regs[_NGREG];
+};
+
+struct fpreg {
+	struct fxsave64 fxstate;
+};
+
+#define fp_fcw		fxstate.fx_fcw
+#define fp_fsw		fxstate.fx_fsw
+#define fp_ftw		fxstate.fx_ftw
+#define fp_fop		fxstate.fx_fop
+#define fp_rip		fxstate.fx_rip
+#define fp_rdp		fxstate.fx_rdp
+#define fp_mxcsr	fxstate.fx_mxcsr
+#define fp_mxcsr_mask	fxstate.fx_mxcsr_mask
+#define fp_st		fxstate.fx_st
+#define fp_xmm		fxstate.fx_xmm
+
+#endif /* !_AMD64_REG_H_ */