new file mode 100644
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+++ b/host/infra/cyg_type.h
@@ -0,0 +1,339 @@
+#ifndef CYGONCE_INFRA_CYG_TYPE_H
+#define CYGONCE_INFRA_CYG_TYPE_H
+
+//==========================================================================
+//
+//      cyg_type.h
+//
+//      Standard types, and some useful coding macros.
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// ----------------------------------------------------------------------------
+// Copyright (C) 1997, 1998, 1999, 2000 Red Hat, Inc.
+//
+// This file is part of the eCos host tools.
+//
+// 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, write to the Free Software Foundation, Inc., 
+// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//
+// ----------------------------------------------------------------------------
+//                                                                          
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):   nickg from an original by hmt
+// Contributors:  nickg
+// Date:        1997-09-08
+// Purpose:     share unambiguously sized types.
+// Description: we typedef [cyg_][u]int8,16,32 &c for general use.
+// Usage:       #include "cyg/infra/cyg_type.h"
+//              ...
+//              cyg_int32 my_32bit_integer;
+//              
+//####DESCRIPTIONEND####
+//
+
+#include <stddef.h>           // Definition of NULL from the compiler
+
+// -------------------------------------------------------------------------
+// Some useful macros. These are defined here by default.
+
+// externC is used in mixed C/C++ headers to force C linkage on an external
+// definition. It avoids having to put all sorts of ifdefs in.
+
+#ifdef __cplusplus
+# define externC extern "C"
+#else
+# define externC extern
+#endif
+
+
+// -------------------------------------------------------------------------
+// The header <basetype.h> defines the base types used here. It is
+// supplied either by the target architecture HAL, or by the host
+// porting kit. They are all defined as macros, and only those that
+// make choices other than the defaults given below need be defined.
+
+#define CYG_LSBFIRST 1234
+#define CYG_MSBFIRST 4321
+
+#include <cyg/hal/basetype.h>
+
+#if (CYG_BYTEORDER != CYG_LSBFIRST) && (CYG_BYTEORDER != CYG_MSBFIRST)
+# error You must define CYG_BYTEORDER to equal CYG_LSBFIRST or CYG_MSBFIRST
+#endif
+
+#ifndef CYG_DOUBLE_BYTEORDER
+#define CYG_DOUBLE_BYTEORDER CYG_BYTEORDER
+#endif
+
+#ifndef cyg_halint8
+# define cyg_halint8 char
+#endif
+#ifndef cyg_halint16
+# define cyg_halint16 short
+#endif
+#ifndef cyg_halint32
+# define cyg_halint32 int
+#endif
+#ifndef cyg_halint64
+# define cyg_halint64 long long
+#endif
+
+#ifndef cyg_halcount8
+# define cyg_halcount8 int
+#endif
+#ifndef cyg_halcount16
+# define cyg_halcount16 int
+#endif
+#ifndef cyg_halcount32
+# define cyg_halcount32 int
+#endif
+#ifndef cyg_halcount64
+# define cyg_halcount64 long long
+#endif
+
+#ifndef cyg_haladdress
+# define cyg_haladdress cyg_uint32
+#endif
+#ifndef cyg_haladdrword
+# define cyg_haladdrword cyg_uint32
+#endif
+
+#ifndef cyg_halbool
+# ifdef __cplusplus
+#  define cyg_halbool bool
+# else
+#  define cyg_halbool int
+# endif
+#endif
+
+#ifndef cyg_halatomic
+# define cyg_halatomic cyg_halint8
+#endif
+
+// -------------------------------------------------------------------------
+// The obvious few that compilers may define for you.
+// But in case they don't:
+
+#ifndef NULL
+# define NULL 0
+#endif
+
+#ifndef __cplusplus
+
+typedef cyg_halbool bool;
+
+# ifndef false
+#  define false 0
+# endif
+
+# ifndef true
+#  define true (!false)
+# endif
+
+#endif
+
+// -------------------------------------------------------------------------
+// Allow creation of procedure-like macros that are a single statement,
+// and must be followed by a semi-colon
+
+#define CYG_MACRO_START do {
+#define CYG_MACRO_END   } while (0)
+
+#define CYG_EMPTY_STATEMENT CYG_MACRO_START CYG_MACRO_END
+
+#define CYG_UNUSED_PARAM( _type_, _name_ ) CYG_MACRO_START      \
+  _type_ __tmp1 = (_name_);                                     \
+  _type_ __tmp2 = __tmp1;                                       \
+  __tmp1 = __tmp2;                                              \
+CYG_MACRO_END
+
+
+// -------------------------------------------------------------------------
+// Reference a symbol without explicitly making use of it. Ensures that
+// the object containing the symbol will be included when linking.
+
+#define CYG_REFERENCE_OBJECT(__object__)                                 \
+     CYG_MACRO_START                                                     \
+     static void *__cygvar_discard_me__ __attribute__ ((unused)) =       \
+                                                          &(__object__); \
+     CYG_MACRO_END
+
+// -------------------------------------------------------------------------
+// Define basic types for using integers in memory and structures;
+// depends on compiler defaults and CPU type.
+
+typedef unsigned cyg_halint8    cyg_uint8  ;
+typedef   signed cyg_halint8    cyg_int8   ;
+
+typedef unsigned cyg_halint16   cyg_uint16 ;
+typedef   signed cyg_halint16   cyg_int16  ;
+
+typedef unsigned cyg_halint32   cyg_uint32 ;
+typedef   signed cyg_halint32   cyg_int32  ;
+
+typedef unsigned cyg_halint64   cyg_uint64 ;
+typedef   signed cyg_halint64   cyg_int64  ;
+
+typedef  cyg_halbool            cyg_bool   ;
+
+// -------------------------------------------------------------------------
+// Define types for using integers in registers for looping and the like;
+// depends on CPU type, choose what it is most comfortable with, with at
+// least the range required.
+
+typedef unsigned cyg_halcount8  cyg_ucount8  ;
+typedef   signed cyg_halcount8  cyg_count8   ;
+
+typedef unsigned cyg_halcount16 cyg_ucount16 ;
+typedef   signed cyg_halcount16 cyg_count16  ;
+
+typedef unsigned cyg_halcount32 cyg_ucount32 ;
+typedef   signed cyg_halcount32 cyg_count32  ;
+
+typedef unsigned cyg_halcount64 cyg_ucount64 ;
+typedef   signed cyg_halcount64 cyg_count64  ;
+
+// -------------------------------------------------------------------------
+// Define a type to be used for atomic accesses. This type is guaranteed
+// to be read or written in a single uninterruptible operation. This type
+// is at least a single byte.
+
+typedef volatile unsigned cyg_halatomic  cyg_atomic;
+typedef volatile unsigned cyg_halatomic  CYG_ATOMIC;
+
+// -------------------------------------------------------------------------
+// Define types for access plain, on-the-metal memory or devices.
+
+typedef cyg_uint32  CYG_WORD;
+typedef cyg_uint8   CYG_BYTE;
+typedef cyg_uint16  CYG_WORD16;
+typedef cyg_uint32  CYG_WORD32;
+typedef cyg_uint64  CYG_WORD64;
+
+typedef cyg_haladdress  CYG_ADDRESS;
+typedef cyg_haladdrword CYG_ADDRWORD;
+
+// -------------------------------------------------------------------------
+// Constructor ordering macros.  These are added as annotations to all
+// static objects to order the constuctors appropriately.
+
+#if defined(__cplusplus) && defined(__GNUC__)
+# define CYGBLD_ATTRIB_INIT_PRI( _pri_ ) __attribute__((init_priority(_pri_)))
+#else
+// FIXME: should maybe just bomb out if this is attempted anywhere else?
+// Not sure
+# define CYGBLD_ATTRIB_INIT_PRI( _pri_ )
+#endif
+    
+// The following will be removed eventually as it doesn't allow the use of
+// e.g. pri+5 format
+#define CYG_INIT_PRIORITY( _pri_ ) CYGBLD_ATTRIB_INIT_PRI( CYG_INIT_##_pri_ )
+
+#define CYGBLD_ATTRIB_INIT_BEFORE( _pri_ ) CYGBLD_ATTRIB_INIT_PRI(_pri_-100)
+#define CYGBLD_ATTRIB_INIT_AFTER( _pri_ )  CYGBLD_ATTRIB_INIT_PRI(_pri_+100)
+
+#define CYG_INIT_HAL                    10000
+#define CYG_INIT_SCHEDULER              11000
+#define CYG_INIT_INTERRUPTS             12000
+#define CYG_INIT_DRIVERS                13000
+#define CYG_INIT_CLOCK                  14000
+#define CYG_INIT_IDLE_THREAD            15000
+#define CYG_INIT_THREADS                16000
+#define CYG_INIT_KERNEL                 40000
+#define CYG_INIT_IO                     49000
+#define CYG_INIT_LIBC                   50000
+#define CYG_INIT_COMPAT                 55000
+#define CYG_INIT_APPLICATION            60000
+#define CYG_INIT_PREDEFAULT             65534
+#define CYG_INIT_DEFAULT                65535
+
+// -------------------------------------------------------------------------
+// COMPILER-SPECIFIC STUFF
+
+#ifdef __GNUC__
+// Force a 'C' routine to be called like a 'C++' contructor
+# define CYGBLD_ATTRIB_CONSTRUCTOR __attribute__((constructor))
+
+// Define a compiler-specific rune for saying a function doesn't return
+# define CYGBLD_ATTRIB_NORET __attribute__((noreturn))
+
+// How to define weak symbols - this is only relevant for ELF and a.out,
+// but that won't be a problem for eCos
+# define CYGBLD_ATTRIB_WEAK __attribute__ ((weak))
+
+// How to define alias to symbols. Just pass in the symbol itself, not
+// the string name of the symbol
+# define CYGBLD_ATTRIB_ALIAS(__symbol__) \
+        __attribute__ ((alias (#__symbol__)))
+
+// This effectively does the reverse of the previous macro. It defines
+// a name that the attributed variable or function will actually have
+// in assembler.
+# define CYGBLD_ATTRIB_ASM_ALIAS(__symbol__) \
+            __asm__ ( #__symbol__ )
+
+// Shows that a function returns the same value when given the same args, but
+// note this can't be used if there are pointer args
+# define CYGBLD_ATTRIB_CONST __attribute__((const))
+
+#else // non-GNU
+
+# define CYGBLD_ATTRIB_CONSTRUCTOR
+
+# define CYGBLD_ATTRIB_NORET
+    // This intentionally gives an error only if we actually try to
+    // use it.  #error would give an error if we simple can't.
+# define CYGBLD_ATTRIB_WEAK !!!-- Attribute weak not defined --!!!
+
+# define CYGBLD_ATTRIB_ALIAS(__x__) !!!-- Attribute alias not defined --!!!
+
+# define CYGBLD_ATTRIB_ASM_ALIAS(__symbol__) !!!-- Asm alias not defined --!!!
+
+# define CYGBLD_ATTRIB_CONST
+
+#endif
+
+// How to define weak aliases. Currently this is simply a mixture of the
+// above
+
+# define CYGBLD_ATTRIB_WEAK_ALIAS(__symbol__) \
+        CYGBLD_ATTRIB_WEAK CYGBLD_ATTRIB_ALIAS(__symbol__)
+
+// -------------------------------------------------------------------------
+// Label name macro. Some toolsets generate labels with initial
+// underscores and others don't. This macro should be used on labels
+// that are defined in assembly code or linker scripts so that we can
+// do the right thing.
+
+#ifndef CYG_LABEL_NAME
+
+#define CYG_LABEL_NAME(_name_) _name_
+
+#endif
+
+// -------------------------------------------------------------------------
+// Various "flavours" of memory regions that can be described by the 
+// Memory Layout Tool (MLT).
+
+#define CYGMEM_REGION_ATTR_R  0x01  // Region can be read
+#define CYGMEM_REGION_ATTR_W  0x02  // Region can be written
+
+// -------------------------------------------------------------------------
+#endif // CYGONCE_INFRA_CYG_TYPE_H multiple inclusion protection
+// EOF cyg_type.h