OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [sparc/] [arch/] [current/] [include/] [vectors.h] - Blame information for rev 786

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 786 skrzyp
#ifndef CYGONCE_HAL_VECTORS_H
2
#define CYGONCE_HAL_VECTORS_H
3
 
4
//=============================================================================
5
//
6
//      vectors.h
7
//
8
//      SPARC Architecture specific vector numbers &c
9
//
10
//=============================================================================
11
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
12
// -------------------------------------------                              
13
// This file is part of eCos, the Embedded Configurable Operating System.   
14
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
15
//
16
// eCos is free software; you can redistribute it and/or modify it under    
17
// the terms of the GNU General Public License as published by the Free     
18
// Software Foundation; either version 2 or (at your option) any later      
19
// version.                                                                 
20
//
21
// eCos is distributed in the hope that it will be useful, but WITHOUT      
22
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
23
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
24
// for more details.                                                        
25
//
26
// You should have received a copy of the GNU General Public License        
27
// along with eCos; if not, write to the Free Software Foundation, Inc.,    
28
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
29
//
30
// As a special exception, if other files instantiate templates or use      
31
// macros or inline functions from this file, or you compile this file      
32
// and link it with other works to produce a work based on this file,       
33
// this file does not by itself cause the resulting work to be covered by   
34
// the GNU General Public License. However the source code for this file    
35
// must still be made available in accordance with section (3) of the GNU   
36
// General Public License v2.                                               
37
//
38
// This exception does not invalidate any other reasons why a work based    
39
// on this file might be covered by the GNU General Public License.         
40
// -------------------------------------------                              
41
// ####ECOSGPLCOPYRIGHTEND####                                              
42
//=============================================================================
43
//#####DESCRIPTIONBEGIN####
44
//
45
// Author(s):   hmt
46
// Contributors:hmt
47
// Date:        1998-12-10
48
// Purpose:     Define architecture abstractions and some shared info;
49
//              this file is included by assembler files as well as C/C++.
50
// Usage:       #include <cyg/hal/vectors.h>
51
 
52
//              
53
//####DESCRIPTIONEND####
54
//
55
//=============================================================================
56
 
57
#define __WINSIZE 8
58
 
59
#if __WINSIZE <= 8
60
# define __WINBITS 7
61
#else
62
# error __WINSIZE window size probably not supported
63
#endif
64
 
65
// These should be generic to all SPARCs:
66
 
67
#define __WINBITS_MAXIMAL 0x1f
68
 
69
#define __WIN_INIT (__WINSIZE - 1)
70
#define __WIM_INIT (1 << __WIN_INIT)
71
 
72
// ------------------------------------------------------------------------
73
 
74
#define TRAP_WUNDER     6       // Window Underflow trap number
75
#define TRAP_WOVER      5       // Window Overflow trap number
76
 
77
#define TRAP_INTR_MIN   17      // smallest interrupt trap number
78
#define TRAP_INTR_MAX   31      // largest interrupt trap number
79
 
80
#define TT_MASK         0xff0   // trap type mask from tbr
81
#define TT_SHL          4       // shift to get a tbr value
82
 
83
// Alternatively, detect an interrupt by testing tbr for being in the range
84
// 16-31 by masking &c:
85
#define TT_IS_INTR_MASK         0xf00
86
#define TT_IS_INTR_VALUE        0x100
87
 
88
#if TT_IS_INTR_VALUE != ((TRAP_INTR_MIN << TT_SHL) & TT_IS_INTR_MASK)
89
#error "Bad *_INTR_* symbol definition (1)"
90
#endif
91
 
92
#if TT_IS_INTR_VALUE != ((TRAP_INTR_MAX << TT_SHL) & TT_IS_INTR_MASK)
93
#error "Bad *_INTR_* symbol definition (2)"
94
#endif
95
 
96
#if TT_IS_INTR_VALUE != (((TRAP_INTR_MIN+1) << TT_SHL) & TT_IS_INTR_MASK)
97
#error "Bad *_INTR_* symbol definition (3)"
98
#endif
99
 
100
#if TT_IS_INTR_VALUE != (((TRAP_INTR_MAX-1) << TT_SHL) & TT_IS_INTR_MASK)
101
#error "Bad *_INTR_* symbol definition (4)"
102
#endif
103
 
104
 
105
 
106
//#define SCHED_LOCK_MANGLED_NAME _18Cyg_Scheduler_Base.sched_lock
107
#define SCHED_LOCK_MANGLED_NAME cyg_scheduler_sched_lock
108
 
109
 
110
 
111
#define SAVE_REGS_SIZE (4 * 32) // 32 words of 4 bytes each
112
 
113
 
114
 
115
 
116
#endif // CYGONCE_HAL_VECTORS_H
117
// EOF vectors.h

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.