#ifndef CYGONCE_HAL_HAL_IO_H#define CYGONCE_HAL_HAL_IO_H//=============================================================================////      hal_io.h////      HAL device IO register support.////=============================================================================//####ECOSGPLCOPYRIGHTBEGIN####// -------------------------------------------// This file is part of eCos, the Embedded Configurable Operating System.// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.//// eCos 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 or (at your option) any later version.//// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.//// As a special exception, if other files instantiate templates or use macros// or inline functions from this file, or you compile this file and link it// with other works to produce a work based on this file, this file does not// by itself cause the resulting work to be covered by the GNU General Public// License. However the source code for this file must still be made available// in accordance with section (3) of the GNU General Public License.//// This exception does not invalidate any other reasons why a work based on// this file might be covered by the GNU General Public License.//// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.// at http://sources.redhat.com/ecos/ecos-license/// -------------------------------------------//####ECOSGPLCOPYRIGHTEND####//=============================================================================//#####DESCRIPTIONBEGIN####//// Author(s):   nickg// Contributors:        nickg// Date:        2007-07-27// Purpose:     Define IO register support// Description: The macros defined here provide the HAL APIs for handling//              device IO control registers.//              // Usage://              #include <cyg/hal/hal_io.h>//              ...//              ////####DESCRIPTIONEND####////=============================================================================#include <pkgconf/hal.h>#include <cyg/infra/cyg_type.h>#include <cyg/hal/plf_io.h>//-----------------------------------------------------------------------------// IO Register address.// This type is for recording the address of an IO register.typedef volatile CYG_ADDRWORD HAL_IO_REGISTER;//-----------------------------------------------------------------------------// HAL IO macros.#ifndef HAL_IO_MACROS_DEFINED//-----------------------------------------------------------------------------// BYTE Register access.// Individual and vectorized access to 8 bit registers.#define HAL_READ_UINT8( _register_, _value_ ) \        ((_value_) = *((volatile CYG_BYTE *)(_register_)))#define HAL_WRITE_UINT8( _register_, _value_ ) \        (*((volatile CYG_BYTE *)(_register_)) = (_value_))#define HAL_READ_UINT8_VECTOR( _register_, _buf_, _count_, _step_ )     \{                                                                       \    cyg_count32 _i_,_j_;                                                \    for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_))     \        (_buf_)[_i_] = ((volatile CYG_BYTE *)(_register_))[_j_];        \}#define HAL_WRITE_UINT8_VECTOR( _register_, _buf_, _count_, _step_ )    \{                                                                       \    cyg_count32 _i_,_j_;                                                \    for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_))     \        ((volatile CYG_BYTE *)(_register_))[_j_] = (_buf_)[_i_];        \}//-----------------------------------------------------------------------------// 16 bit access.// Individual and vectorized access to 16 bit registers.    #define HAL_READ_UINT16( _register_, _value_ ) \        ((_value_) = *((volatile CYG_WORD16 *)(_register_)))#define HAL_WRITE_UINT16( _register_, _value_ ) \        (*((volatile CYG_WORD16 *)(_register_)) = (_value_))#define HAL_READ_UINT16_VECTOR( _register_, _buf_, _count_, _step_ )    \{                                                                       \    cyg_count32 _i_,_j_;                                                \    for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_))     \        (_buf_)[_i_] = ((volatile CYG_WORD16 *)(_register_))[_j_];      \}#define HAL_WRITE_UINT16_VECTOR( _register_, _buf_, _count_, _step_ )   \{                                                                       \    cyg_count32 _i_,_j_;                                                \    for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_))     \        ((volatile CYG_WORD16 *)(_register_))[_j_] = (_buf_)[_i_];      \}//-----------------------------------------------------------------------------// 32 bit access.// Individual and vectorized access to 32 bit registers.    #define HAL_READ_UINT32( _register_, _value_ ) \        ((_value_) = *((volatile CYG_WORD32 *)(_register_)))#define HAL_WRITE_UINT32( _register_, _value_ ) \        (*((volatile CYG_WORD32 *)(_register_)) = (_value_))#define HAL_READ_UINT32_VECTOR( _register_, _buf_, _count_, _step_ )    \{                                                                       \    cyg_count32 _i_,_j_;                                                \    for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_))     \        (_buf_)[_i_] = ((volatile CYG_WORD32 *)(_register_))[_j_];      \}#define HAL_WRITE_UINT32_VECTOR( _register_, _buf_, _count_, _step_ )   \{                                                                       \    cyg_count32 _i_,_j_;                                                \    for( _i_ = 0, _j_ = 0; _i_ < (_count_); _i_++, _j_ += (_step_))     \        ((volatile CYG_WORD32 *)(_register_))[_j_] = (_buf_)[_i_];      \}#define HAL_IO_MACROS_DEFINED#endif//-----------------------------------------------------------------------------#endif // ifndef CYGONCE_HAL_HAL_IO_H// End of hal_io.h