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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [sparclite/] [arch/] [current/] [include/] [vectors.h] - Rev 786

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#ifndef CYGONCE_HAL_VECTORS_H
#define CYGONCE_HAL_VECTORS_H
 
//=============================================================================
//
//      vectors.h
//
//      SPARClite Architecture specific vector numbers &c
//
//=============================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
// -------------------------------------------                              
// This file is part of eCos, the Embedded Configurable Operating System.   
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, 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.,    
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 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 v2.                                               
//
// This exception does not invalidate any other reasons why a work based    
// on this file might be covered by the GNU General Public License.         
// -------------------------------------------                              
// ####ECOSGPLCOPYRIGHTEND####                                              
//=============================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):   hmt
// Contributors:hmt
// Date:        1998-12-10
// Purpose:     Define architecture abstractions and some shared info;
//              this file is included by assembler files as well as C/C++.
// Usage:       #include <cyg/hal/vectors.h>
 
//              
//####DESCRIPTIONEND####
//
//=============================================================================
 
#define __WINSIZE 8
 
#if __WINSIZE <= 8
# define __WINBITS 7
#else
# error __WINSIZE window size probably not supported
#endif
 
// These should be generic to all SPARCs:
 
#define __WINBITS_MAXIMAL 0x1f
 
#define __WIN_INIT (__WINSIZE - 1)
#define __WIM_INIT (1 << __WIN_INIT)
 
// ------------------------------------------------------------------------
 
#define TRAP_WUNDER     6       // Window Underflow trap number
#define TRAP_WOVER      5       // Window Overflow trap number
 
#define TRAP_INTR_MIN   17      // smallest interrupt trap number
#define TRAP_INTR_MAX   31      // largest interrupt trap number
 
#define TT_MASK         0xff0   // trap type mask from tbr
#define TT_SHL          4       // shift to get a tbr value
 
// Alternatively, detect an interrupt by testing tbr for being in the range
// 16-31 by masking &c:
#define TT_IS_INTR_MASK         0xf00
#define TT_IS_INTR_VALUE        0x100
 
#if TT_IS_INTR_VALUE != ((TRAP_INTR_MIN << TT_SHL) & TT_IS_INTR_MASK)
#error "Bad *_INTR_* symbol definition (1)"
#endif
 
#if TT_IS_INTR_VALUE != ((TRAP_INTR_MAX << TT_SHL) & TT_IS_INTR_MASK)
#error "Bad *_INTR_* symbol definition (2)"
#endif
 
#if TT_IS_INTR_VALUE != (((TRAP_INTR_MIN+1) << TT_SHL) & TT_IS_INTR_MASK)
#error "Bad *_INTR_* symbol definition (3)"
#endif
 
#if TT_IS_INTR_VALUE != (((TRAP_INTR_MAX-1) << TT_SHL) & TT_IS_INTR_MASK)
#error "Bad *_INTR_* symbol definition (4)"
#endif
 
 
 
//#define SCHED_LOCK_MANGLED_NAME _18Cyg_Scheduler_Base.sched_lock
#define SCHED_LOCK_MANGLED_NAME cyg_scheduler_sched_lock
 
 
 
#define SAVE_REGS_SIZE (4 * 32) // 32 words of 4 bytes each
 
 
 
 
#endif // CYGONCE_HAL_VECTORS_H
// EOF vectors.h
 

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