annotate packages/hal/sparclite/arch/current/include/vectors.h @ 3292:7f8e529b4d82 default tip

Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
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1 #ifndef CYGONCE_HAL_VECTORS_H
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2 #define CYGONCE_HAL_VECTORS_H
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3
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4 //=============================================================================
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5 //
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6 // vectors.h
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7 //
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8 // SPARClite Architecture specific vector numbers &c
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9 //
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10 //=============================================================================
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11 // ####ECOSGPLCOPYRIGHTBEGIN####
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12 // -------------------------------------------
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13 // This file is part of eCos, the Embedded Configurable Operating System.
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14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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15 //
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16 // eCos is free software; you can redistribute it and/or modify it under
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17 // the terms of the GNU General Public License as published by the Free
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18 // Software Foundation; either version 2 or (at your option) any later
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19 // version.
208
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20 //
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21 // eCos is distributed in the hope that it will be useful, but WITHOUT
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22 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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23 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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24 // for more details.
208
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25 //
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26 // You should have received a copy of the GNU General Public License
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27 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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28 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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29 //
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30 // As a special exception, if other files instantiate templates or use
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31 // macros or inline functions from this file, or you compile this file
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32 // and link it with other works to produce a work based on this file,
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33 // this file does not by itself cause the resulting work to be covered by
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34 // the GNU General Public License. However the source code for this file
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35 // must still be made available in accordance with section (3) of the GNU
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36 // General Public License v2.
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37 //
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38 // This exception does not invalidate any other reasons why a work based
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39 // on this file might be covered by the GNU General Public License.
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40 // -------------------------------------------
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41 // ####ECOSGPLCOPYRIGHTEND####
2
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42 //=============================================================================
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43 //#####DESCRIPTIONBEGIN####
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44 //
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45 // Author(s): hmt
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46 // Contributors:hmt
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47 // Date: 1998-12-10
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48 // Purpose: Define architecture abstractions and some shared info;
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49 // this file is included by assembler files as well as C/C++.
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50 // Usage: #include <cyg/hal/vectors.h>
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51
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52 //
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53 //####DESCRIPTIONEND####
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54 //
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55 //=============================================================================
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56
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57 #define __WINSIZE 8
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58
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59 #if __WINSIZE <= 8
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60 # define __WINBITS 7
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61 #else
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62 # error __WINSIZE window size probably not supported
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63 #endif
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64
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65 // These should be generic to all SPARCs:
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66
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67 #define __WINBITS_MAXIMAL 0x1f
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68
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69 #define __WIN_INIT (__WINSIZE - 1)
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70 #define __WIM_INIT (1 << __WIN_INIT)
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71
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72 // ------------------------------------------------------------------------
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73
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74 #define TRAP_WUNDER 6 // Window Underflow trap number
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75 #define TRAP_WOVER 5 // Window Overflow trap number
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76
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77 #define TRAP_INTR_MIN 17 // smallest interrupt trap number
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78 #define TRAP_INTR_MAX 31 // largest interrupt trap number
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79
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80 #define TT_MASK 0xff0 // trap type mask from tbr
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81 #define TT_SHL 4 // shift to get a tbr value
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82
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83 // Alternatively, detect an interrupt by testing tbr for being in the range
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84 // 16-31 by masking &c:
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85 #define TT_IS_INTR_MASK 0xf00
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86 #define TT_IS_INTR_VALUE 0x100
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87
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88 #if TT_IS_INTR_VALUE != ((TRAP_INTR_MIN << TT_SHL) & TT_IS_INTR_MASK)
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89 #error "Bad *_INTR_* symbol definition (1)"
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90 #endif
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91
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92 #if TT_IS_INTR_VALUE != ((TRAP_INTR_MAX << TT_SHL) & TT_IS_INTR_MASK)
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93 #error "Bad *_INTR_* symbol definition (2)"
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94 #endif
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95
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96 #if TT_IS_INTR_VALUE != (((TRAP_INTR_MIN+1) << TT_SHL) & TT_IS_INTR_MASK)
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97 #error "Bad *_INTR_* symbol definition (3)"
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98 #endif
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99
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100 #if TT_IS_INTR_VALUE != (((TRAP_INTR_MAX-1) << TT_SHL) & TT_IS_INTR_MASK)
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101 #error "Bad *_INTR_* symbol definition (4)"
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102 #endif
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103
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104
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105
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106 //#define SCHED_LOCK_MANGLED_NAME _18Cyg_Scheduler_Base.sched_lock
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107 #define SCHED_LOCK_MANGLED_NAME cyg_scheduler_sched_lock
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108
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109
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110
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111 #define SAVE_REGS_SIZE (4 * 32) // 32 words of 4 bytes each
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112
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113
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114
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115
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116 #endif // CYGONCE_HAL_VECTORS_H
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117 // EOF vectors.h