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  •

Rev 1254 → Rev 1765

/uit_objs.cxx
0,0 → 1,382
//===========================================================================
//
// uit_objs.cxx
//
// uITRON static objects
//
//===========================================================================
//####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): hmt
// Contributors: hmt
// Date: 1998-03-13
// Purpose: uITRON static system objects
// Description:
//
//####DESCRIPTIONEND####
//
//===========================================================================
 
#include <pkgconf/uitron.h> // uITRON setup CYGNUM_UITRON_SEMAS
// CYGPKG_UITRON et al
 
#ifdef CYGPKG_UITRON
 
#include <cyg/compat/uitron/uit_objs.hxx>
// declarations of the objects
// we define below, and everything
// we need to specify them.
 
#include <cyg/hal/hal_arch.h> // for CYGNUM_HAL_STACK_SIZE_MINIMUM
 
// ------------------------------------------------------------------------
// Mboxes have no initializer.
#ifdef CYGPKG_UITRON_MBOXES
#if 0 < CYGNUM_UITRON_MBOXES
Cyg_Mbox CYG_UITRON_DECL( MBOXES );
#ifdef CYGPKG_UITRON_MBOXES_CREATE_DELETE
Cyg_Mbox *CYG_UITRON_DECL_PTRS( MBOXES );
#endif
#endif
#endif // CYGPKG_UITRON_MBOXES
 
// ------------------------------------------------------------------------
// Flags have no initializer.
#ifdef CYGPKG_UITRON_FLAGS
#if 0 < CYGNUM_UITRON_FLAGS
Cyg_Flag CYG_UITRON_DECL( FLAGS );
#ifdef CYGPKG_UITRON_FLAGS_CREATE_DELETE
Cyg_Flag *CYG_UITRON_DECL_PTRS( FLAGS );
#endif
#endif
#endif // CYGPKG_UITRON_FLAGS
 
// ------------------------------------------------------------------------
// Semaphores have an optional initializer.
#ifdef CYGPKG_UITRON_SEMAS
#if (0 < CYGNUM_UITRON_SEMAS) || \
defined( CYGDAT_UITRON_SEMA_INITIALIZERS )
 
#ifndef CYGNUM_UITRON_SEMAS
#error You must define CYGNUM_UITRON_SEMAS
#endif
 
Cyg_Counting_Semaphore2 CYG_UITRON_DECL( SEMAS )
 
#ifdef CYGDAT_UITRON_SEMA_INITIALIZERS
// a Macro to ease the construction:
#define CYG_UIT_SEMA( _count_ ) Cyg_Counting_Semaphore2( (cyg_count32)(_count_) )
#ifdef CYGPKG_UITRON_SEMAS_CREATE_DELETE
#define CYG_UIT_SEMA_NOEXS Cyg_Counting_Semaphore2( (cyg_count32) 0 )
#endif
= {
CYGDAT_UITRON_SEMA_INITIALIZERS
}
#undef CYG_UIT_SEMA
#ifdef CYGPKG_UITRON_SEMAS_CREATE_DELETE
#undef CYG_UIT_SEMA_NOEXS
#endif
#endif // do we have initializers?
; // the end of the declaration, with or without initializer
 
#ifdef CYGPKG_UITRON_SEMAS_CREATE_DELETE
Cyg_Counting_Semaphore2 *CYG_UITRON_DECL_PTRS( SEMAS );
#endif
#endif
#endif // CYGPKG_UITRON_SEMAS
 
// ------------------------------------------------------------------------
// tasks MUST be initialized, you must have some.
#ifndef CYGDAT_UITRON_TASK_EXTERNS
#error You must define CYGDAT_UITRON_TASK_EXTERNS
#endif
#ifndef CYGDAT_UITRON_TASK_INITIALIZERS
#error You must define CYGDAT_UITRON_TASK_INITIALIZERS
#endif
#ifndef CYGNUM_UITRON_TASKS
#error You must define CYGNUM_UITRON_TASKS
#endif
 
// a Macro to ease the construction:
// "name", priority, proc, stackbase, stacksize
#define CYG_UIT_TASK( _name_, _prio_, _func_, _sb_, _ss_ ) \
Cyg_Thread( \
(CYG_ADDRWORD)(_prio_), \
(_func_), \
(CYG_ADDRWORD)0, \
_name_, \
(CYG_ADDRESS)(_sb_), \
(cyg_ucount32)(_ss_) )
 
#ifdef CYGPKG_UITRON_TASKS_CREATE_DELETE
#define CYG_UIT_TASK_NOEXS( _name_, _sb_, _ss_ ) \
Cyg_Thread( \
(CYG_ADDRWORD)(CYG_SCHED_DEFAULT_INFO), \
(cyg_thread_entry *)(0), \
(CYG_ADDRWORD)0, \
_name_, \
(CYG_ADDRESS)(_sb_), \
(cyg_ucount32)(_ss_) )
#endif
 
// FIXME: Xscale tools currently in use have a preprocessor bug causing
// the below #ifs to be misinterpreted. Therefore a *temporary*
// workaround is included to define a MAX macro, and change
// CYGDAT_UITRON_TASK_EXTERNS and CYGDAT_UITRON_TASK_INITIALISERS in
// the CDL to use it.
#ifdef XSCALECPPFIXEDSOMETIME
 
#ifdef CYGNUM_HAL_STACK_SIZE_MINIMUM
# ifdef CYGNUM_UITRON_STACK_SIZE
# if CYGNUM_UITRON_STACK_SIZE < CYGNUM_HAL_STACK_SIZE_MINIMUM
 
// then override the configured stack size
# undef CYGNUM_UITRON_STACK_SIZE
# define CYGNUM_UITRON_STACK_SIZE CYGNUM_HAL_STACK_SIZE_MINIMUM
 
# endif // CYGNUM_UITRON_STACK_SIZE < CYGNUM_HAL_STACK_SIZE_MINIMUM
# endif // CYGNUM_UITRON_STACK_SIZE
#endif // CYGNUM_HAL_STACK_SIZE_MINIMUM
 
#else
#define MAX(_x_,_y_) ((_x_) > (_y_) ? (_x_) : (_y_))
#endif
 
// declare the symbols used in the initializer
CYGDAT_UITRON_TASK_EXTERNS
 
Cyg_Thread CYG_UITRON_DECL( TASKS ) =
{
CYGDAT_UITRON_TASK_INITIALIZERS
};
 
#undef CYG_UIT_TASK
#ifdef CYGPKG_UITRON_TASKS_CREATE_DELETE
#undef CYG_UIT_TASK_NOEXS
#endif
 
#ifdef CYGIMP_THREAD_PRIORITY
// An ancillary array of priorities, for managing the "original" prio
cyg_priority
cyg_uitron_task_initial_priorities[ CYG_UITRON_NUM( TASKS ) ];
#endif
 
#ifdef CYGPKG_UITRON_TASKS_CREATE_DELETE
Cyg_Thread *CYG_UITRON_DECL_PTRS( TASKS );
#endif
 
// ------------------------------------------------------------------------
// fixed memory pools MUST be initialized, IF you have some.
#ifdef CYGPKG_UITRON_MEMPOOLFIXED
#if (0 < CYGNUM_UITRON_MEMPOOLFIXED) || \
defined (CYGDAT_UITRON_MEMPOOLFIXED_INITIALIZERS) || \
defined (CYGDAT_UITRON_MEMPOOLFIXED_EXTERNS)
 
#ifndef CYGDAT_UITRON_MEMPOOLFIXED_EXTERNS
#error You must define CYGDAT_UITRON_MEMPOOLFIXED_EXTERNS
#endif
#ifndef CYGDAT_UITRON_MEMPOOLFIXED_INITIALIZERS
#error You must define CYGDAT_UITRON_MEMPOOLFIXED_INITIALIZERS
#endif
#ifndef CYGNUM_UITRON_MEMPOOLFIXED
#error You must define CYGNUM_UITRON_MEMPOOLFIXED
#endif
 
// declare the symbols used in the initializer
CYGDAT_UITRON_MEMPOOLFIXED_EXTERNS
 
// a Macro to ease the construction: addr, size, blocksize
#define CYG_UIT_MEMPOOLFIXED( _a_, _s_, _bs_ ) Cyg_Mempool_Fixed( \
(cyg_uint8 *)(_a_), (cyg_int32)(_s_), (CYG_ADDRWORD)(_bs_) )
#ifdef CYGPKG_UITRON_MEMPOOLFIXED_CREATE_DELETE
// note that this just picks a suitable size for the initialization, which
// should not be too inefficient
#define CYG_UIT_MEMPOOLFIXED_NOEXS( _a_, _s_ ) Cyg_Mempool_Fixed( \
(cyg_uint8 *)(_a_), (cyg_int32)(_s_), (CYG_ADDRWORD) ((~7)&((_s_)/2)) )
#endif
 
Cyg_Mempool_Fixed CYG_UITRON_DECL( MEMPOOLFIXED ) =
{
CYGDAT_UITRON_MEMPOOLFIXED_INITIALIZERS
};
#undef CYG_UIT_MEMPOOLFIXED
#ifdef CYGPKG_UITRON_MEMPOOLFIXED_CREATE_DELETE
#undef CYG_UIT_MEMPOOLFIXED_NOEXS
#endif
 
#ifdef CYGPKG_UITRON_MEMPOOLFIXED_CREATE_DELETE
Cyg_Mempool_Fixed *CYG_UITRON_DECL_PTRS( MEMPOOLFIXED );
#endif
#endif // do we have fixed memory pools at all?
#endif // CYGPKG_UITRON_MEMPOOLFIXED
 
// ------------------------------------------------------------------------
// variable memory pools MUST be initialized, IF you have some.
#ifdef CYGPKG_UITRON_MEMPOOLVAR
#if (0 < CYGNUM_UITRON_MEMPOOLVAR) || \
defined (CYGDAT_UITRON_MEMPOOLVAR_INITIALIZERS) || \
defined (CYGDAT_UITRON_MEMPOOLVAR_EXTERNS)
 
#ifndef CYGDAT_UITRON_MEMPOOLVAR_EXTERNS
#error You must define CYGDAT_UITRON_MEMPOOLVAR_EXTERNS
#endif
#ifndef CYGDAT_UITRON_MEMPOOLVAR_INITIALIZERS
#error You must define CYGDAT_UITRON_MEMPOOLVAR_INITIALIZERS
#endif
#ifndef CYGNUM_UITRON_MEMPOOLVAR
#error You must define CYGNUM_UITRON_MEMPOOLVAR
#endif
 
// declare the symbols used in the initializer
CYGDAT_UITRON_MEMPOOLVAR_EXTERNS
 
// a Macro to ease the construction: addr, size
#define CYG_UIT_MEMPOOLVAR( _a_, _s_ ) Cyg_Mempool_Variable( \
(cyg_uint8 *)(_a_),(cyg_int32)(_s_))
#ifdef CYGPKG_UITRON_MEMPOOLFIXED_CREATE_DELETE
#define CYG_UIT_MEMPOOLVAR_NOEXS( _a_, _s_ ) Cyg_Mempool_Variable( \
(cyg_uint8 *)(_a_),(cyg_int32)(_s_))
#endif
 
Cyg_Mempool_Variable CYG_UITRON_DECL( MEMPOOLVAR ) =
{
CYGDAT_UITRON_MEMPOOLVAR_INITIALIZERS
};
#undef CYG_UIT_MEMPOOLVAR
#ifdef CYGPKG_UITRON_MEMPOOLFIXED_CREATE_DELETE
#undef CYG_UIT_MEMPOOLVAR_NOEXS
#endif
 
#ifdef CYGPKG_UITRON_MEMPOOLVAR_CREATE_DELETE
Cyg_Mempool_Variable *CYG_UITRON_DECL_PTRS( MEMPOOLVAR );
#endif
#endif // do we have variable memory pools at all?
#endif // CYGPKG_UITRON_MEMPOOLVAR
 
// ------------------------------------------------------------------------
// Cyclic alarm handlers might be initialized, if you have some.
//
#ifdef CYGPKG_UITRON_CYCLICS
#if (0 < CYGNUM_UITRON_CYCLICS) || \
defined( CYGDAT_UITRON_CYCLIC_EXTERNS ) || \
defined( CYGDAT_UITRON_CYCLIC_INITIALIZERS )
 
#ifndef CYGNUM_UITRON_CYCLICS
#error You must define CYGNUM_UITRON_CYCLICS
#endif
 
#if defined( CYGDAT_UITRON_CYCLIC_INITIALIZERS ) || \
defined( CYGDAT_UITRON_CYCLIC_EXTERNS )
 
#ifndef CYGDAT_UITRON_CYCLIC_INITIALIZERS
#error You must define CYGDAT_UITRON_CYCLIC_INITIALIZERS
#endif
#ifndef CYGDAT_UITRON_CYCLIC_EXTERNS
#error You must define CYGDAT_UITRON_CYCLIC_EXTERNS
#endif
 
// declare the symbols used in the initializer
CYGDAT_UITRON_CYCLIC_EXTERNS
 
#endif // have externs or initializers
 
Cyg_Timer CYG_UITRON_DECL( CYCLICS )
 
#ifdef CYGDAT_UITRON_CYCLIC_INITIALIZERS
 
#error *** CYCLIC INITIALIZERS ARE NOT SUPPORTED IN THIS RELEASE***
 
// a Macro to ease the construction: proc, arg, time
#define CYG_UIT_CYCLIC( ... ) Cyg_Timer()
= {
CYGDAT_UITRON_CYCLIC_INITIALIZERS
}
#undef CYG_UIT_CYCLIC
#endif // do we have initializers?
; // the end of the declaration, with or without initializer
 
#endif // do we have cyclic alarms at all?
#endif // CYGPKG_UITRON_CYCLICS
 
// ------------------------------------------------------------------------
// Oneshot alarm handlers might be initialized, if you have some.
//
#ifdef CYGPKG_UITRON_ALARMS
#if (0 < CYGNUM_UITRON_ALARMS) || \
defined( CYGDAT_UITRON_ALARM_EXTERNS ) || \
defined( CYGDAT_UITRON_ALARM_INITIALIZERS )
 
#ifndef CYGNUM_UITRON_ALARMS
#error You must define CYGNUM_UITRON_ALARMS
#endif
 
#if defined( CYGDAT_UITRON_ALARM_INITIALIZERS ) || \
defined( CYGDAT_UITRON_ALARM_EXTERNS )
 
#ifndef CYGDAT_UITRON_ALARM_INITIALIZERS
#error You must define CYGDAT_UITRON_ALARM_INITIALIZERS
#endif
#ifndef CYGDAT_UITRON_ALARM_EXTERNS
#error You must define CYGDAT_UITRON_ALARM_EXTERNS
#endif
 
// declare the symbols used in the initializer
CYGDAT_UITRON_ALARM_EXTERNS
 
#endif // have externs or initializers
 
Cyg_Timer CYG_UITRON_DECL( ALARMS )
 
#ifdef CYGDAT_UITRON_ALARM_INITIALIZERS
 
#error *** ALARM INITIALIZERS ARE NOT SUPPORTED IN THIS RELEASE***
 
// a Macro to ease the construction: proc, arg, time
#define CYG_UIT_ALARM( ... ) Cyg_Timer()
= {
CYGDAT_UITRON_ALARM_INITIALIZERS
}
#undef CYG_UIT_ALARM
#endif // do we have initializers?
; // the end of the declaration, with or without initializer
 
#endif // do we have oneshot alarms at all?
#endif // CYGPKG_UITRON_ALARMS
 
// ------------------------------------------------------------------------
#endif // CYGPKG_UITRON
 
// EOF uit_objs.cxx
/uit_ifnc.cxx
0,0 → 1,140
//===========================================================================
//
// uit_ifnc.cxx
//
// 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.
//
// 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): hmt
// Contributors: hmt
// Date: 1998-03-13
// Purpose: uITRON compatibility functions for use in ISRs
// Description:
//
//####DESCRIPTIONEND####
//
//===========================================================================
 
#include <pkgconf/uitron.h> // uITRON setup CYGNUM_UITRON_SEMAS
// CYGPKG_UITRON et al
 
#ifdef CYGPKG_UITRON
 
// invoke the inline function definition to create static C linkage
// functions here:
#define CYGIMP_UITRON_INLINE_FUNCS 1
#include <cyg/compat/uitron/uit_func.h>
 
// Now ensure that we create *outline* funcs for the ixxx_yyy() functions
// here, with C names or whatever, as required.
 
#undef CYGPRI_UITRON_FUNCS_HERE_AND_NOW
#undef CYGIMP_UITRON_INLINE_FUNCS
#undef CYG_UIT_FUNC_EXTERN_BEGIN
#undef CYG_UIT_FUNC_EXTERN_END
 
#ifdef CYGIMP_UITRON_CPP_OUTLINE_FUNCS
#define CYG_UIT_FUNC_EXTERN_BEGIN extern "C++" {
#define CYG_UIT_FUNC_EXTERN_END }
#else
#define CYG_UIT_FUNC_EXTERN_BEGIN extern "C" {
#define CYG_UIT_FUNC_EXTERN_END }
#endif
 
// Get extern C prototypes (or whatever uit_func.h above did)
#include <cyg/compat/uitron/uit_ifnc.h>
 
#undef CYG_UIT_FUNC_INLINE
#define CYG_UIT_FUNC_INLINE /* blank */
#define CYGPRI_UITRON_FUNCS_HERE_AND_NOW
#include <cyg/compat/uitron/uit_ifnc.inl>
 
volatile int cyg_uit_dsr_actions_head = 0;
volatile int cyg_uit_dsr_actions_tail = 0;
 
Cyg_Uit_Action::action
cyg_uit_dsr_actions[ CYGNUM_UITRON_ISR_ACTION_QUEUESIZE ];
 
ID
cyg_uit_dsr_act_ids[ CYGNUM_UITRON_ISR_ACTION_QUEUESIZE ];
 
CYG_ADDRWORD
cyg_uit_dsr_act_a1s[ CYGNUM_UITRON_ISR_ACTION_QUEUESIZE ];
 
void
cyg_uitron_dsr( unsigned int vector, unsigned int count, unsigned int data )
{
while ( cyg_uit_dsr_actions_tail != cyg_uit_dsr_actions_head ) {
switch ( cyg_uit_dsr_actions[ cyg_uit_dsr_actions_tail ] ) {
case Cyg_Uit_Action::WUP_TSK:
(void)wup_tsk( cyg_uit_dsr_act_ids[ cyg_uit_dsr_actions_tail ] );
break;
#ifdef CYGPKG_UITRON_SEMAS
#if 0 < CYG_UITRON_NUM( SEMAS )
case Cyg_Uit_Action::SIG_SEM:
(void)sig_sem( cyg_uit_dsr_act_ids[ cyg_uit_dsr_actions_tail ] );
break;
#endif // 0 < CYG_UITRON_NUM( SEMAS )
#endif // CYGPKG_UITRON_SEMAS
#ifdef CYGPKG_UITRON_FLAGS
#if 0 < CYG_UITRON_NUM( FLAGS )
case Cyg_Uit_Action::SET_FLG:
(void)set_flg( cyg_uit_dsr_act_ids[ cyg_uit_dsr_actions_tail ],
(UINT)cyg_uit_dsr_act_a1s[ cyg_uit_dsr_actions_tail ] );
break;
#endif // 0 < CYG_UITRON_NUM( FLAGS )
#endif // CYGPKG_UITRON_FLAGS
#ifdef CYGPKG_UITRON_MBOXES
#if 0 < CYG_UITRON_NUM( MBOXES )
case Cyg_Uit_Action::SND_MSG:
(void)snd_msg( cyg_uit_dsr_act_ids[ cyg_uit_dsr_actions_tail ],
(T_MSG *)cyg_uit_dsr_act_a1s[ cyg_uit_dsr_actions_tail ] );
break;
#endif // 0 < CYG_UITRON_NUM( MBOXES )
#endif // CYGPKG_UITRON_MBOXES
default:
CYG_FAIL( "enum Cyg_Uit_Action out of range!" );
}
cyg_uit_dsr_actions_tail =
CYGNUM_UITRON_ISR_ACTION_QUEUEMASK & (1+cyg_uit_dsr_actions_tail);
}
}
 
#endif // CYGPKG_UITRON
 
// EOF uit_ifnc.cxx
/uit_func.cxx
0,0 → 1,192
//===========================================================================
//
// uit_func.cxx
//
// 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.
//
// 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): hmt
// Contributors: hmt
// Date: 1998-03-13
// Purpose: uITRON compatibility functions
// Description:
//
//####DESCRIPTIONEND####
//
//===========================================================================
 
#include <pkgconf/uitron.h> // uITRON setup CYGNUM_UITRON_SEMAS
// CYGPKG_UITRON et al
 
#ifdef CYGPKG_UITRON
 
// invoke the inline function definition to create static C linkage
// functions here:
#define CYGPRI_UITRON_FUNCS_HERE_AND_NOW
#include <cyg/compat/uitron/uit_func.h>
 
cyg_uint32 cyg_uitron_dis_dsp_old_priority = 0;
 
// ------------------------------------------------------------------------
// STARTUP
// this routine is outside the uITRON specification; call it from
// cyg_start(), cyg_package_start(), cyg_prestart() or cyg_user_start()
// to start the uITRON tasks and scheduler.
 
#if CYGNUM_UITRON_START_TASKS < 0
#error CYGNUM_UITRON_START_TASKS should be >= 0
#endif
 
#if CYGNUM_UITRON_START_TASKS == 0
#define START_TASKS CYGNUM_UITRON_TASKS
#else
#define START_TASKS CYGNUM_UITRON_START_TASKS
#endif
 
#ifdef CYGPKG_UITRON_TASKS_CREATE_DELETE
#if START_TASKS > CYGNUM_UITRON_TASKS_INITIALLY
#undef START_TASKS
#define START_TASKS CYGNUM_UITRON_TASKS_INITIALLY
#endif
#endif
 
#if START_TASKS > CYGNUM_UITRON_TASKS
#undef START_TASKS
#define START_TASKS CYGNUM_UITRON_TASKS
#endif
 
#if START_TASKS <= 0
#error Number of uITRON tasks to start initially must be >= 0
#endif
 
 
#define SET_UP_PTRS( _which_ ) CYG_MACRO_START \
for ( i = 0; \
(i < CYGNUM_UITRON_ ## _which_ ## _INITIALLY) && \
(i < CYGNUM_UITRON_ ## _which_ ) ; \
i++ ) { \
CYG_UITRON_PTRS( _which_ )[ i ] = CYG_UITRON_OBJS( _which_ ) + i; \
} \
if ( (CYGNUM_UITRON_ ## _which_ ## _INITIALLY) \
< (CYGNUM_UITRON_ ## _which_) ) \
for ( /* i as is */; i < CYGNUM_UITRON_ ## _which_ ; i++ ) { \
CYG_UITRON_PTRS( _which_ )[ i ] = NULL; \
} \
CYG_MACRO_END
 
#ifdef CYGVAR_KERNEL_COUNTERS_CLOCK
#ifdef CYGSEM_UITRON_TIME_IS_MILLISECONDS
Cyg_Clock::converter uit_clock_to_system;
Cyg_Clock::converter uit_clock_from_system;
#endif
#endif
 
void cyg_uitron_start( void )
{
cyg_int32 i;
 
#ifdef CYGVAR_KERNEL_COUNTERS_CLOCK
#ifdef CYGSEM_UITRON_TIME_IS_MILLISECONDS
// initialize the clock converters
Cyg_Clock::real_time_clock->
get_other_to_clock_converter( 1000000, &uit_clock_to_system );
Cyg_Clock::real_time_clock->
get_clock_to_other_converter( 1000000, &uit_clock_from_system );
#endif
#endif
 
for ( i = 0; i < START_TASKS; i++ ) {
#ifdef CYGIMP_THREAD_PRIORITY
// save the initial priority in our private array
cyg_uitron_task_initial_priorities[ i ] =
cyg_uitron_TASKS[ i ].get_priority();
#endif
// and awaken the task:
cyg_uitron_TASKS[ i ].resume();
}
for ( /* i as is */; i < CYGNUM_UITRON_TASKS; i++ ) {
#ifdef CYGIMP_THREAD_PRIORITY
// save the initial priority in our private array
cyg_uitron_task_initial_priorities[ i ] =
cyg_uitron_TASKS[ i ].get_priority();
#endif
// but ensure the task state is dormant.
cyg_uitron_TASKS[ i ].kill();
}
 
#ifdef CYGPKG_UITRON_TASKS_CREATE_DELETE
SET_UP_PTRS( TASKS );
#endif
#ifdef CYGPKG_UITRON_SEMAS_CREATE_DELETE
SET_UP_PTRS( SEMAS );
#endif
#ifdef CYGPKG_UITRON_MBOXES_CREATE_DELETE
SET_UP_PTRS( MBOXES );
#endif
#ifdef CYGPKG_UITRON_FLAGS_CREATE_DELETE
SET_UP_PTRS( FLAGS );
#endif
#ifdef CYGPKG_UITRON_MEMPOOLFIXED_CREATE_DELETE
SET_UP_PTRS( MEMPOOLFIXED );
#endif
#ifdef CYGPKG_UITRON_MEMPOOLVAR_CREATE_DELETE
SET_UP_PTRS( MEMPOOLVAR );
#endif
}
 
// These allow programs to link when cyg_uitron_start() is called
// (often because of CYGSEM_START_UITRON_COMPATIBILITY from infra,
// though we define these regardless just in case)
// even when there is no interest in uITRON and so the tasks are
// not externally defined; the reference to cyg_uitron_start()
// ensures the tasks array et al are still included...
extern "C" {
void task1( unsigned int arg ) CYGBLD_ATTRIB_WEAK;
void task2( unsigned int arg ) CYGBLD_ATTRIB_WEAK;
void task3( unsigned int arg ) CYGBLD_ATTRIB_WEAK;
void task4( unsigned int arg ) CYGBLD_ATTRIB_WEAK;
}
 
void task1( unsigned int arg ) {}
void task2( unsigned int arg ) {}
void task3( unsigned int arg ) {}
void task4( unsigned int arg ) {}
 
#endif // CYGPKG_UITRON
 
// EOF uit_func.cxx

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