diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h
new file mode 100644
index 0000000000..71c89174f2
--- /dev/null
+++ b/bsd-user/arm/target_arch_cpu.h
@@ -0,0 +1,22 @@
+/*
+ *  arm cpu init and loop
+ *
+ *  Copyright (c) 2013 Stacey D. Son
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _TARGET_ARCH_CPU_H_
+#define _TARGET_ARCH_CPU_H_
+
+#endif /* ! _TARGET_ARCH_CPU_H_ */
diff --git a/bsd-user/i386/target_arch_cpu.h b/bsd-user/i386/target_arch_cpu.h
new file mode 100644
index 0000000000..c05e048b9b
--- /dev/null
+++ b/bsd-user/i386/target_arch_cpu.h
@@ -0,0 +1,22 @@
+/*
+ *  i386 cpu init and loop
+ *
+ *  Copyright (c) 2013 Stacey D. Son
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _TARGET_ARCH_CPU_H_
+#define _TARGET_ARCH_CPU_H_
+
+#endif /* ! _TARGET_ARCH_CPU_H_ */
diff --git a/bsd-user/main.c b/bsd-user/main.c
index fbcc8cc28c..d12b77fbfe 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -41,6 +41,7 @@
 #include "trace/control.h"
 
 #include "host_os.h"
+#include "target_arch_cpu.h"
 
 int singlestep;
 unsigned long mmap_min_addr;
diff --git a/bsd-user/sparc/target_arch_cpu.h b/bsd-user/sparc/target_arch_cpu.h
new file mode 100644
index 0000000000..dcf7694cba
--- /dev/null
+++ b/bsd-user/sparc/target_arch_cpu.h
@@ -0,0 +1,22 @@
+/*
+ *  sparc cpu init and loop
+ *
+ *  Copyright (c) 2013 Stacey D. Son
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _TARGET_ARCH_CPU_H_
+#define _TARGET_ARCH_CPU_H_
+
+#endif /* ! _TARGET_ARCH_CPU_H_ */
diff --git a/bsd-user/sparc64/target_arch_cpu.h b/bsd-user/sparc64/target_arch_cpu.h
new file mode 100644
index 0000000000..c3962a8e9a
--- /dev/null
+++ b/bsd-user/sparc64/target_arch_cpu.h
@@ -0,0 +1,19 @@
+/*
+ *  sparc64 cpu init and loop
+ *
+ *  Copyright (c) 2013 Stacey D. Son
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>.
+ */
+#include "../sparc/target_arch_cpu.h"
diff --git a/bsd-user/x86_64/target_arch_cpu.h b/bsd-user/x86_64/target_arch_cpu.h
new file mode 100644
index 0000000000..56cb59ae0b
--- /dev/null
+++ b/bsd-user/x86_64/target_arch_cpu.h
@@ -0,0 +1,19 @@
+/*
+ *  x86_64 cpu init and loop
+ *
+ *  Copyright (c) 2013 Stacey D. Son
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>.
+ */
+#include "../i386/target_arch_cpu.h"
