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#ifndef CYGONCE_COMPAT_UITRON_UIT_IFNC_H

#define CYGONCE_COMPAT_UITRON_UIT_IFNC_H

//===========================================================================

//

//      uit_ifnc.h

//

//      uITRON compatibility functions

//

//===========================================================================

//####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.

//

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// 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

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// in accordance with section (3) of the GNU General Public License.

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// 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):   hmt

// Contributors:        hmt

// Date:        1999-08-16

// Purpose:     uITRON compatibility functions

// Description: 

//

//####DESCRIPTIONEND####

//

//===========================================================================

// ------------------------------------------------------------------------

// Source Code Organization

//

// First, see pkgconf/uitron.h for details of applicable configuration

// options.

//

// This file uit_ifnc.h provides prototypes for the task-independent parts

// of the uITRON API, that is functions named ixxx_yyy() for calling in

// ISRs.  We also define the uitron helper DSR that is needed to despool

// stored up requests.

// ------------------------------------------------------------------------

#include <pkgconf/uitron.h>             // uITRON setup CYGNUM_UITRON_SEMAS

                                        // CYGPKG_UITRON et al

#ifdef CYGPKG_UITRON

#include <cyg/infra/cyg_type.h>         // types; cyg_int32, CYG_ADDRWORD

#include <cyg/compat/uitron/uit_type.h> // uITRON types; ER ID TMO T_MSG

#include <cyg/compat/uitron/uit_func.h> // uITRON funcs and control macros.

// ========================================================================

//         u I T R O N   F U N C T I O N S

// The function declarations themselves:

// ------------------- These functions can be inline if so configured

CYG_UIT_FUNC_EXTERN_BEGIN

// ******************************************************

// ***    6.5 C Language Interfaces                   ***

// ******************************************************

// - Task Management Functions

// (None)

// - Task-Dependent Synchronization Functions

//ER      irsm_tsk ( ID tskid );

//ER      ifrsm_tsk ( ID tskid );

ER      iwup_tsk ( ID tskid );

// - Synchronization and Communication Functions

ER      isig_sem ( ID semid );

ER      iset_flg ( ID flgid, UINT setptn );

ER      isnd_msg ( ID mbxid, T_MSG *pk_msg );

// - Extended Synchronization and Communication Functions

// - Interrupt Management Functions

// (None)

// ---------------------------------------------------------------

#define CYGPRI_UITRON_SET_RETCODE( _z_ ) do {                                   \

    extern volatile int cyg_uit_dsr_actions_head;                               \

    extern volatile int cyg_uit_dsr_actions_tail;                               \

    (_z_) = (cyg_uit_dsr_actions_head == cyg_uit_dsr_actions_tail) ? 1 : 3;     \

} while ( 0 )

//void    ret_wup ( ID tskid );

// Awaken the task (safely) and return Cyg_Interrupt::CALL_DSR

#define ret_wup( _id_ ) do {                    \

    register int retcode;                       \

    (void)iwup_tsk( (_id_) );                   \

    CYGPRI_UITRON_SET_RETCODE( retcode );       \

    return retcode;                             \

} while ( 0 )

// Subsitute a version of ret_int that returns Cyg_Interrupt::CALL_DSR

#undef ret_int

#define ret_int()  do {                         \

    register int retcode;                       \

    CYGPRI_UITRON_SET_RETCODE( retcode );       \

    return retcode;                             \

} while ( 0 )

// - Memorypool Management Functions

// (None)

// - Time Management Functions

// (None)

// - System Management Functions

// (None)

// - Network Support Functions

// (None)

CYG_UIT_FUNC_EXTERN_END

// ------------------- End of functions that can be inlined

// ========================================================================

// DSR: use this DSR with the uITRON-type ISR that uses the functions above

// to get delayed/safe execution of the wakeup-type functions above.

#ifdef __cplusplus

extern "C"

#endif

void cyg_uitron_dsr( unsigned int vector, unsigned int count, unsigned int data );

// ========================================================================

#ifdef CYGPRI_UITRON_FUNCS_HERE_AND_NOW

// functions are inline OR we are in the outline implementation, so define

// the functions as inlines or plain functions depending on the value of

// CYG_UIT_FUNC_INLINE from above.

#include <cyg/compat/uitron/uit_ifnc.inl>

#endif // CYGPRI_UITRON_FUNCS_HERE_AND_NOW

// ------------------------------------------------------------------------

#endif // CYGPKG_UITRON

#endif // CYGONCE_COMPAT_UITRON_UIT_IFNC_H

// EOF uit_ifnc.h