--- /dev/null
+/*
+ * vm86.h: vm86 emulator definitions.
+ *
+ * Leendert van Doorn, leendert@watson.ibm.com
+ * Copyright (c) 2005, International Business Machines Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ */
+#ifndef __VM86_H__
+#define __VM86_H__
+
+#ifndef __ASSEMBLY__
+#include <stdint.h>
+#endif
+
+#include "vmx_assist.h"
+
+#define NR_EXCEPTION_HANDLER 32
+#define NR_INTERRUPT_HANDLERS 16
+#define NR_TRAPS (NR_EXCEPTION_HANDLER+NR_INTERRUPT_HANDLERS)
+
+#ifndef __ASSEMBLY__
+
+struct regs {
+ unsigned edi, esi, ebp, esp, ebx, edx, ecx, eax;
+ unsigned ds, es, fs, gs;
+ unsigned trapno, errno;
+ unsigned eip, cs, eflags, uesp, uss;
+ unsigned ves, vds, vfs, vgs;
+};
+
+enum vm86_mode {
+ VM86_REAL = 0,
+ VM86_REAL_TO_PROTECTED,
+ VM86_PROTECTED_TO_REAL,
+ VM86_PROTECTED
+};
+
+#ifdef DEBUG
+#define TRACE(a) trace a
+#else
+#define TRACE(a)
+#endif
+
+extern enum vm86_mode prevmode, mode;
+extern struct vmx_assist_context oldctx;
+extern struct vmx_assist_context newctx;
+
+extern void emulate(struct regs *);
+extern void dump_regs(struct regs *);
+extern void trace(struct regs *, int, char *, ...);
+
+extern void set_mode(struct regs *, enum vm86_mode);
+extern void switch_to_real_mode(void);
+extern void switch_to_protected_mode(void);
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __VM86_H__ */
