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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [sparc/] [arch/] [current/] [include/] [vectors.h] - Blame information for rev 851

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1 786 skrzyp
#ifndef CYGONCE_HAL_VECTORS_H
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#define CYGONCE_HAL_VECTORS_H
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//=============================================================================
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//
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//      vectors.h
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//
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//      SPARC Architecture specific vector numbers &c
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//
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//=============================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####                                            
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// -------------------------------------------                              
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// This file is part of eCos, the Embedded Configurable Operating System.   
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under    
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// the terms of the GNU General Public License as published by the Free     
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// Software Foundation; either version 2 or (at your option) any later      
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// version.                                                                 
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT      
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
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// for more details.                                                        
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//
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// You should have received a copy of the GNU General Public License        
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// along with eCos; if not, write to the Free Software Foundation, Inc.,    
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// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
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//
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// As a special exception, if other files instantiate templates or use      
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// macros or inline functions from this file, or you compile this file      
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// and link it with other works to produce a work based on this file,       
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// this file does not by itself cause the resulting work to be covered by   
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// the GNU General Public License. However the source code for this file    
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// must still be made available in accordance with section (3) of the GNU   
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// General Public License v2.                                               
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//
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// This exception does not invalidate any other reasons why a work based    
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// on this file might be covered by the GNU General Public License.         
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// -------------------------------------------                              
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// ####ECOSGPLCOPYRIGHTEND####                                              
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s):   hmt
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// Contributors:hmt
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// Date:        1998-12-10
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// Purpose:     Define architecture abstractions and some shared info;
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//              this file is included by assembler files as well as C/C++.
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// Usage:       #include <cyg/hal/vectors.h>
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//              
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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#define __WINSIZE 8
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#if __WINSIZE <= 8
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# define __WINBITS 7
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#else
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# error __WINSIZE window size probably not supported
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#endif
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// These should be generic to all SPARCs:
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#define __WINBITS_MAXIMAL 0x1f
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#define __WIN_INIT (__WINSIZE - 1)
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#define __WIM_INIT (1 << __WIN_INIT)
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// ------------------------------------------------------------------------
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#define TRAP_WUNDER     6       // Window Underflow trap number
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#define TRAP_WOVER      5       // Window Overflow trap number
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#define TRAP_INTR_MIN   17      // smallest interrupt trap number
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#define TRAP_INTR_MAX   31      // largest interrupt trap number
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#define TT_MASK         0xff0   // trap type mask from tbr
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#define TT_SHL          4       // shift to get a tbr value
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// Alternatively, detect an interrupt by testing tbr for being in the range
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// 16-31 by masking &c:
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#define TT_IS_INTR_MASK         0xf00
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#define TT_IS_INTR_VALUE        0x100
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#if TT_IS_INTR_VALUE != ((TRAP_INTR_MIN << TT_SHL) & TT_IS_INTR_MASK)
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#error "Bad *_INTR_* symbol definition (1)"
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#endif
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#if TT_IS_INTR_VALUE != ((TRAP_INTR_MAX << TT_SHL) & TT_IS_INTR_MASK)
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#error "Bad *_INTR_* symbol definition (2)"
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#endif
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#if TT_IS_INTR_VALUE != (((TRAP_INTR_MIN+1) << TT_SHL) & TT_IS_INTR_MASK)
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#error "Bad *_INTR_* symbol definition (3)"
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#endif
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#if TT_IS_INTR_VALUE != (((TRAP_INTR_MAX-1) << TT_SHL) & TT_IS_INTR_MASK)
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#error "Bad *_INTR_* symbol definition (4)"
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#endif
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//#define SCHED_LOCK_MANGLED_NAME _18Cyg_Scheduler_Base.sched_lock
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#define SCHED_LOCK_MANGLED_NAME cyg_scheduler_sched_lock
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#define SAVE_REGS_SIZE (4 * 32) // 32 words of 4 bytes each
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#endif // CYGONCE_HAL_VECTORS_H
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// EOF vectors.h

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