annotate packages/hal/sh/arch/current/include/hal_intr.h @ 76:435cced73e2f ecos-v1_3_1-release

eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
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children 2085233a121a
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1 #ifndef CYGONCE_HAL_INTR_H
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2 #define CYGONCE_HAL_INTR_H
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3
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4 //==========================================================================
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5 //
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6 // hal_intr.h
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7 //
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8 // HAL Interrupt and clock support
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9 //
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10 //==========================================================================
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11 //####COPYRIGHTBEGIN####
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12 //
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13 // -------------------------------------------
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14 // The contents of this file are subject to the Red Hat eCos Public License
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15 // Version 1.1 (the "License"); you may not use this file except in
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16 // compliance with the License. You may obtain a copy of the License at
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17 // http://www.redhat.com/
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18 //
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19 // Software distributed under the License is distributed on an "AS IS"
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20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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21 // License for the specific language governing rights and limitations under
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22 // the License.
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23 //
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24 // The Original Code is eCos - Embedded Configurable Operating System,
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25 // released September 30, 1998.
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26 //
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27 // The Initial Developer of the Original Code is Red Hat.
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28 // Portions created by Red Hat are
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29 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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30 // All Rights Reserved.
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31 // -------------------------------------------
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32 //
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33 //####COPYRIGHTEND####
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34 //==========================================================================
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35 //#####DESCRIPTIONBEGIN####
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36 //
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37 // Author(s): jskov
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38 // Contributors: jskov,
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39 // Date: 1999-04-24
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40 // Purpose: Define Interrupt support
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41 // Description: The macros defined here provide the HAL APIs for handling
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42 // interrupts and the clock.
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43 //
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44 // Usage:
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45 // #include <cyg/hal/hal_intr.h>
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46 // ...
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47 //
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48 //
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49 //####DESCRIPTIONEND####
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50 //
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51 //==========================================================================
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52
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53 #include <pkgconf/hal.h>
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54
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55 // More include statements below. First part of this file must be
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56 // usable for both assembly and C files, so only use defines here.
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57
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58 //--------------------------------------------------------------------------
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59 // SH3 exception vectors. These correspond to VSRs and are the values
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60 // to use for HAL_VSR_GET/SET
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61 //
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62 // Note that exceptions are decoded - there is a VSR slot for each exception
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63 // source, while interrupts are handled via the same VSR.
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64
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65 #define CYGNUM_HAL_VECTOR_POWERON 0 // power-on
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66 #define CYGNUM_HAL_VECTOR_RESET 1 // reset
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67 #define CYGNUM_HAL_VECTOR_TLBMISS_ACCESS 2 // TLB-miss/invalid load
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68 #define CYGNUM_HAL_VECTOR_TLBMISS_WRITE 3 // TLB-miss/invalid store
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69 #define CYGNUM_HAL_VECTOR_INITIAL_WRITE 4 // initial page write
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70 #define CYGNUM_HAL_VECTOR_TLBERROR_ACCESS 5 // TLB prot violation l
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71 #define CYGNUM_HAL_VECTOR_TLBERROR_WRITE 6 // TLB prot violation s
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72 #define CYGNUM_HAL_VECTOR_DATA_ACCESS 7 // address error (load)
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73 #define CYGNUM_HAL_VECTOR_DATA_WRITE 8 // address error (store)
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74 // define CYGNUM_HAL_VECTOR_RESERVED_9 9
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75 // define CYGNUM_HAL_VECTOR_RESERVED_10 10
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76 #define CYGNUM_HAL_VECTOR_TRAP 11 // unconditional trap
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77 #define CYGNUM_HAL_VECTOR_ILLEGAL_INSTRUCTION 12 // reserved instruction
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78 #define CYGNUM_HAL_VECTOR_ILLEGAL_SLOT_INSTRUCTION 13
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79 // illegal instruction in delay slot
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80 // define CYGNUM_HAL_VECTOR_RESERVED_14 14
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81 #define CYGNUM_HAL_VECTOR_INSTRUCTION_BP 15 // user breakpoint
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82
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83 #define CYG_VECTOR_IS_INTERRUPT(v) \
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84 (CYGNUM_HAL_VECTOR_INSTRUCTION_BP < (v))
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85
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86 #define CYGNUM_HAL_VECTOR_INTERRUPT 16 // all interrupts
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87
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88 #define CYGNUM_HAL_VSR_MIN CYGNUM_HAL_VECTOR_POWERON
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89 #define CYGNUM_HAL_VSR_MAX CYGNUM_HAL_VECTOR_INTERRUPT
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90 #define CYGNUM_HAL_VSR_COUNT ( CYGNUM_HAL_VSR_MAX + 1 )
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91
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92 #define CYGNUM_HAL_VSR_EXCEPTION_COUNT (CYGNUM_HAL_VECTOR_INSTRUCTION_BP-CYGNUM_HAL_VECTOR_POWERON+1)
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93
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94
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95
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96 // The decoded interrupts.
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97 #define CYGNUM_HAL_INTERRUPT_NMI 0
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98 #define CYGNUM_HAL_INTERRUPT_RESERVED_1E0 1
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99 #define CYGNUM_HAL_INTERRUPT_LVL0 2
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100 #define CYGNUM_HAL_INTERRUPT_LVL1 3
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101 #define CYGNUM_HAL_INTERRUPT_LVL2 4
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102 #define CYGNUM_HAL_INTERRUPT_LVL3 5
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103 #define CYGNUM_HAL_INTERRUPT_LVL4 6
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104 #define CYGNUM_HAL_INTERRUPT_LVL5 7
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105 #define CYGNUM_HAL_INTERRUPT_LVL6 8
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106 #define CYGNUM_HAL_INTERRUPT_LVL7 9
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107 #define CYGNUM_HAL_INTERRUPT_LVL8 10
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108 #define CYGNUM_HAL_INTERRUPT_LVL9 11
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109 #define CYGNUM_HAL_INTERRUPT_LVL10 12
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110 #define CYGNUM_HAL_INTERRUPT_LVL11 13
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111 #define CYGNUM_HAL_INTERRUPT_LVL12 14
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112 #define CYGNUM_HAL_INTERRUPT_LVL13 15
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113 #define CYGNUM_HAL_INTERRUPT_LVL14 16
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114 #define CYGNUM_HAL_INTERRUPT_RESERVED_3E0 17
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115 #define CYGNUM_HAL_INTERRUPT_TMU0_TUNI0 18
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116 #define CYGNUM_HAL_INTERRUPT_TMU1_TUNI1 19
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117 #define CYGNUM_HAL_INTERRUPT_TMU2_TUNI2 20
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118 #define CYGNUM_HAL_INTERRUPT_TMU2_TICPI2 21
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119 #define CYGNUM_HAL_INTERRUPT_RTC_ATI 22
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120 #define CYGNUM_HAL_INTERRUPT_RTC_PRI 23
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121 #define CYGNUM_HAL_INTERRUPT_RTC_CUI 24
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122 #define CYGNUM_HAL_INTERRUPT_SCI_ERI 25
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123 #define CYGNUM_HAL_INTERRUPT_SCI_RXI 26
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124 #define CYGNUM_HAL_INTERRUPT_SCI_TXI 27
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125 #define CYGNUM_HAL_INTERRUPT_SCI_TEI 28
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126 #define CYGNUM_HAL_INTERRUPT_WDT_ITI 29
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127 #define CYGNUM_HAL_INTERRUPT_REF_RCMI 30
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128 #define CYGNUM_HAL_INTERRUPT_REF_ROVI 31
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129
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130
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131 // CYGNUM_HAL_ISR_COUNT must match CYG_ISR_TABLE_SIZE defined in vectors.S.
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132 #define CYGNUM_HAL_ISR_MIN CYGNUM_HAL_INTERRUPT_NMI
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133 #define CYGNUM_HAL_ISR_MAX CYGNUM_HAL_INTERRUPT_REF_ROVI
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134 #define CYGNUM_HAL_ISR_COUNT ( CYGNUM_HAL_ISR_MAX + 1 )
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135
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136 // Exception vectors. These are the values used when passed out to an
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137 // external exception handler using cyg_hal_deliver_exception()
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138
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139 // The exception indexes are EXPEVT/0x20
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140
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141 #define CYGNUM_HAL_EXCEPTION_POWERON 0 // power-on
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142 #define CYGNUM_HAL_EXCEPTION_RESET 1 // reset
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143 #define CYGNUM_HAL_EXCEPTION_TLBMISS_ACCESS 2 // TLB-miss/invalid load
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144 #define CYGNUM_HAL_EXCEPTION_TLBMISS_WRITE 3 // TLB-miss/invalid store
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145 #define CYGNUM_HAL_EXCEPTION_INITIAL_WRITE 4 // initial page write
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146 #define CYGNUM_HAL_EXCEPTION_TLBERROR_ACCESS 5 // TLB prot violation l
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147 #define CYGNUM_HAL_EXCEPTION_TLBERROR_WRITE 6 // TLB prot violation s
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148 #define CYGNUM_HAL_EXCEPTION_DATA_ACCESS 7 // address error (load)
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149 #define CYGNUM_HAL_EXCEPTION_DATA_WRITE 8 // address error (store)
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150 // define CYGNUM_HAL_EXCEPTION_RESERVED_9 9
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151 // define CYGNUM_HAL_EXCEPTION_RESERVED_10 10
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152 #define CYGNUM_HAL_EXCEPTION_TRAP 11 // unconditional trap
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153 #define CYGNUM_HAL_EXCEPTION_ILLEGAL_INSTRUCTION 12 // reserved instruction
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154 #define CYGNUM_HAL_EXCEPTION_ILLEGAL_SLOT_INSTRUCTION 13
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155 // illegal instruction in delay slot
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156 // define CYGNUM_HAL_EXCEPTION_RESERVED_14 14
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157 #define CYGNUM_HAL_EXCEPTION_INSTRUCTION_BP 15 // user breakpoint
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158
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159 #define CYGNUM_HAL_EXCEPTION_MIN CYGNUM_HAL_EXCEPTION_POWERON
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160 #define CYGNUM_HAL_EXCEPTION_MAX CYGNUM_HAL_EXCEPTION_INSTRUCTION_BP
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161 #define CYGNUM_HAL_EXCEPTION_COUNT \
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162 ( CYGNUM_HAL_EXCEPTION_MAX - CYGNUM_HAL_EXCEPTION_MIN + 1 )
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163
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164 // The vector used by the Real time clock
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165 #define CYGNUM_HAL_INTERRUPT_RTC CYGNUM_HAL_INTERRUPT_TMU0_TUNI0
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166
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167 #ifndef __ASSEMBLER__
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168
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169 #include <cyg/infra/cyg_type.h>
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170
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171 #include <cyg/hal/sh_regs.h> // register definitions
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172 #include <cyg/hal/hal_io.h> // io macros
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173 #include <cyg/infra/cyg_ass.h> // CYG_FAIL
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174
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175 //--------------------------------------------------------------------------
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176 // Static data used by HAL
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177
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178 // ISR tables
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179 externC volatile CYG_ADDRESS hal_interrupt_handlers[CYGNUM_HAL_ISR_COUNT];
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180 externC volatile CYG_ADDRWORD hal_interrupt_data[CYGNUM_HAL_ISR_COUNT];
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181 externC volatile CYG_ADDRESS hal_interrupt_objects[CYGNUM_HAL_ISR_COUNT];
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182 // VSR table
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183 externC volatile CYG_ADDRESS hal_vsr_table[CYGNUM_HAL_VSR_COUNT];
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184
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185 //--------------------------------------------------------------------------
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186 // Default ISR
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187
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188 externC cyg_uint32 hal_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data);
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189
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190 //--------------------------------------------------------------------------
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191 // Interrupt state storage
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192
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193 typedef cyg_uint32 CYG_INTERRUPT_STATE;
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194
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195 //--------------------------------------------------------------------------
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196 // Interrupt control macros
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197 //
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198 // Note that these macros control interrupt state by setting the Imask
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199 // of the SR rather than the (more obvious) BL. This is because a CPU
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200 // reset is forced if execptions (such as breakpoints) are generated
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201 // while the BL flag is set.
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202
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203 #define HAL_DISABLE_INTERRUPTS(_old_) \
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204 CYG_MACRO_START \
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205 cyg_uint32 _tmp_; \
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206 asm volatile ( \
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207 "stc sr,%1 \n\t" \
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208 "mov %2,%0 \n\t" \
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209 "and %1,%0 \n\t" \
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210 "or %2,%1 \n\t" \
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211 "ldc %1,sr \n\t" \
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212 : "=&r"(_old_), "=&r" (_tmp_) \
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213 : "r" (CYGARC_REG_SR_IMASK) \
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214 ); \
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215 CYG_MACRO_END
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216
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217 #define HAL_ENABLE_INTERRUPTS() \
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218 CYG_MACRO_START \
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219 cyg_uint32 _tmp_; \
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220 asm volatile ( \
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221 "stc sr,%0 \n\t" \
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222 "and %1,%0 \n\t" \
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223 "ldc %0,sr \n\t" \
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224 : "=&r" (_tmp_) \
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225 : "r" (~CYGARC_REG_SR_IMASK) \
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226 ); \
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227 CYG_MACRO_END
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228
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229 #define HAL_RESTORE_INTERRUPTS(_old_) \
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230 CYG_MACRO_START \
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231 cyg_uint32 _tmp1_, _tmp2_; \
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232 asm volatile ( \
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233 "stc sr,%0 \n\t" \
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234 "and %3,%0 \n\t" \
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235 "not %3,%1 \n\t" \
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236 "and %2,%1 \n\t" \
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237 "or %1,%0 \n\t" \
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238 "ldc %0,sr \n\t" \
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239 : "=&r" (_tmp1_), "=&r" (_tmp2_) \
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240 : "r" (_old_), "r" (~CYGARC_REG_SR_IMASK) \
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241 ); \
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242 CYG_MACRO_END
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243
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244 #define HAL_QUERY_INTERRUPTS(_old_) \
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245 CYG_MACRO_START \
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246 asm volatile ( \
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247 "stc sr,%0 \n\t" \
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248 "and %1,%0 \n\t" \
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249 : "=&r"(_old_) \
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250 : "r" (CYGARC_REG_SR_IMASK) \
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251 ); \
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252 CYG_MACRO_END
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253
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254 //--------------------------------------------------------------------------
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255 // Vector translation.
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256
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257 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
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258
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259 # define HAL_TRANSLATE_VECTOR(_vector_,_index_) (_index_) = 0
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260
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261 #else
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262
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263 # define HAL_TRANSLATE_VECTOR(_vector_,_index_) (_index_) = (_vector_)
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264
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265 #endif
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266
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267 //--------------------------------------------------------------------------
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268 // Routine to execute DSRs using separate interrupt stack
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269
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270 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
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271
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272 externC void hal_interrupt_stack_call_pending_DSRs(void);
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273 #define HAL_INTERRUPT_STACK_CALL_PENDING_DSRS() \
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274 hal_interrupt_stack_call_pending_DSRs()
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275
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276 // these are offered solely for stack usage testing
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277 // if they are not defined, then there is no interrupt stack.
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278 #define HAL_INTERRUPT_STACK_BASE cyg_interrupt_stack_base
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279 #define HAL_INTERRUPT_STACK_TOP cyg_interrupt_stack
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280 // use them to declare these extern however you want:
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281 // extern char HAL_INTERRUPT_STACK_BASE[];
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282 // extern char HAL_INTERRUPT_STACK_TOP[];
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283 // is recommended
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284 #endif
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285
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286 //--------------------------------------------------------------------------
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287 // Interrupt and VSR attachment macros
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288
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289 #define HAL_INTERRUPT_IN_USE( _vector_, _state_) \
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290 CYG_MACRO_START \
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291 cyg_uint32 _index_; \
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292 HAL_TRANSLATE_VECTOR ((_vector_), _index_); \
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293 \
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294 if( hal_interrupt_handlers[_index_] == (CYG_ADDRESS)hal_default_isr ) \
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295 (_state_) = 0; \
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296 else \
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297 (_state_) = 1; \
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298 CYG_MACRO_END
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299
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300 #define HAL_INTERRUPT_ATTACH( _vector_, _isr_, _data_, _object_ ) \
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301 CYG_MACRO_START \
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302 cyg_uint32 _index_; \
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303 HAL_TRANSLATE_VECTOR ((_vector_), _index_); \
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304 \
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305 if( hal_interrupt_handlers[_index_] == (CYG_ADDRESS)hal_default_isr ) \
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306 { \
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307 hal_interrupt_handlers[_index_] = (CYG_ADDRESS)_isr_; \
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308 hal_interrupt_data[_index_] = (CYG_ADDRWORD) _data_; \
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309 hal_interrupt_objects[_index_] = (CYG_ADDRESS)_object_; \
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310 } \
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311 CYG_MACRO_END
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312
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313 #define HAL_INTERRUPT_DETACH( _vector_, _isr_ ) \
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314 CYG_MACRO_START \
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315 cyg_uint32 _index_; \
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316 HAL_TRANSLATE_VECTOR ((_vector_), _index_); \
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317 \
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318 if( hal_interrupt_handlers[_index_] == (CYG_ADDRESS)_isr_ ) \
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319 { \
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320 hal_interrupt_handlers[_index_] = (CYG_ADDRESS)hal_default_isr; \
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321 hal_interrupt_data[_index_] = 0; \
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322 hal_interrupt_objects[_index_] = 0; \
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323 } \
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324 CYG_MACRO_END
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325
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326 #define HAL_VSR_GET( _vector_, _pvsr_ ) \
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327 *(CYG_ADDRESS *)(_pvsr_) = hal_vsr_table[_vector_];
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328
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329
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330 #define HAL_VSR_SET( _vector_, _vsr_, _poldvsr_ ) \
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331 CYG_MACRO_START \
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332 if( _poldvsr_ != NULL ) \
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333 *(CYG_ADDRESS *)_poldvsr_ = hal_vsr_table[_vector_]; \
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334 hal_vsr_table[_vector_] = (CYG_ADDRESS)_vsr_; \
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335 CYG_MACRO_END
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336
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337 // This is an ugly name, but what it means is: grab the VSR back to eCos
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338 // internal handling, or if you like, the default handler. But if
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339 // cooperating with GDB and CygMon, the default behaviour is to pass most
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340 // exceptions to CygMon. This macro undoes that so that eCos handles the
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341 // exception. So use it with care.
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342
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343 externC void cyg_hal_default_interrupt_vsr( void );
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344 externC void cyg_hal_default_exception_vsr( void );
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345 #define HAL_VSR_SET_TO_ECOS_HANDLER( _vector_, _poldvsr_ ) \
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346 CYG_MACRO_START \
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347 if( (void*)_poldvsr_ != (void*)NULL ) \
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348 *(CYG_ADDRESS *)_poldvsr_ = hal_vsr_table[_vector_]; \
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349 hal_vsr_table[_vector_] = ( CYG_VECTOR_IS_INTERRUPT( _vector_ ) \
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350 ? (CYG_ADDRESS)cyg_hal_default_interrupt_vsr \
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351 : (CYG_ADDRESS)cyg_hal_default_exception_vsr ); \
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352 CYG_MACRO_END
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353
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354
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355 //--------------------------------------------------------------------------
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356 // Interrupt controller access
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357 //
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358 // Note: These macros work only on a unit basis ; if one source in a
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359 // unit (such as SCI) is unmasked, all sources of that unit get
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360 // unmasked. Finer control must be done in the driver/apps.
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361
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362 #ifdef CYGSEM_HAL_COMMON_INTERRUPTS_ALLOW_NESTING
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363 externC cyg_uint8 cyg_hal_ILVL_table[];
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364 #define HAL_UPDATE_ILVL_TABLE(_vector_, _level_) \
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365 /* Update the ILVL table, so it is easy for the interrupt entry */ \
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366 /* code to find out the level of a given interrupt source. */ \
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diff changeset
367 cyg_hal_ILVL_table[(_vector_)] = (_level_)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
368 #else
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
369 #define HAL_UPDATE_ILVL_TABLE(_vector_, _level_)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
370 #endif
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
371
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
372 #define HAL_INTERRUPT_SET_LEVEL( _vector_, _level_ ) \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
373 CYG_MACRO_START \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
374 cyg_uint16 iprX; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
375 \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
376 CYG_ASSERT((0 <= (_level_) && 15 >= (_level_)), "Illegal level"); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
377 CYG_ASSERT((CYGNUM_HAL_ISR_MIN <= (_vector_) \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
378 && CYGNUM_HAL_ISR_MAX >= (_vector_)), "Illegal vector"); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
379 \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
380 HAL_UPDATE_ILVL_TABLE(_vector_, _level_); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
381 \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
382 switch( (_vector_) ) { \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
383 case CYGNUM_HAL_INTERRUPT_NMI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
384 /* fall through */ \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
385 case CYGNUM_HAL_INTERRUPT_LVL0...CYGNUM_HAL_INTERRUPT_LVL14: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
386 /* Cannot change levels */ \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
387 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
388 \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
389 /* IPRA */ \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
390 case CYGNUM_HAL_INTERRUPT_TMU0_TUNI0: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
391 HAL_READ_UINT16(CYGARC_REG_IPRA, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
392 iprX &= ~CYGARC_REG_IPRA_TMU0_MASK; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
393 iprX |= (_level_)*CYGARC_REG_IPRA_TMU0_PRI1; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
394 HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
395 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
396 case CYGNUM_HAL_INTERRUPT_TMU1_TUNI1: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
397 HAL_READ_UINT16(CYGARC_REG_IPRA, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
398 iprX &= ~CYGARC_REG_IPRA_TMU1_MASK; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
399 iprX |= (_level_)*CYGARC_REG_IPRA_TMU1_PRI1; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
400 HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
401 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
402 case CYGNUM_HAL_INTERRUPT_TMU2_TUNI2: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
403 case CYGNUM_HAL_INTERRUPT_TMU2_TICPI2: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
404 HAL_READ_UINT16(CYGARC_REG_IPRA, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
405 iprX &= ~CYGARC_REG_IPRA_TMU2_MASK; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
406 iprX |= (_level_)*CYGARC_REG_IPRA_TMU2_PRI1; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
407 HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
408 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
409 case CYGNUM_HAL_INTERRUPT_RTC_ATI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
410 case CYGNUM_HAL_INTERRUPT_RTC_PRI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
411 case CYGNUM_HAL_INTERRUPT_RTC_CUI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
412 HAL_READ_UINT16(CYGARC_REG_IPRA, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
413 iprX &= ~CYGARC_REG_IPRA_RTC_MASK; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
414 iprX |= (_level_)*CYGARC_REG_IPRA_RTC_PRI1; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
415 HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
416 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
417 \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
418 /* IPRB */ \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
419 case CYGNUM_HAL_INTERRUPT_WDT_ITI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
420 HAL_READ_UINT16(CYGARC_REG_IPRB, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
421 iprX &= ~CYGARC_REG_IPRB_WDT_MASK; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
422 iprX |= (_level_)*CYGARC_REG_IPRB_WDT_PRI1; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
423 HAL_WRITE_UINT16(CYGARC_REG_IPRB, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
424 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
425 case CYGNUM_HAL_INTERRUPT_REF_RCMI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
426 case CYGNUM_HAL_INTERRUPT_REF_ROVI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
427 HAL_READ_UINT16(CYGARC_REG_IPRB, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
428 iprX &= ~CYGARC_REG_IPRB_REF_MASK; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
429 iprX |= (_level_)*CYGARC_REG_IPRB_REF_PRI1; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
430 HAL_WRITE_UINT16(CYGARC_REG_IPRB, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
431 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
432 case CYGNUM_HAL_INTERRUPT_SCI_ERI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
433 case CYGNUM_HAL_INTERRUPT_SCI_RXI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
434 case CYGNUM_HAL_INTERRUPT_SCI_TXI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
435 case CYGNUM_HAL_INTERRUPT_SCI_TEI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
436 HAL_READ_UINT16(CYGARC_REG_IPRB, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
437 iprX &= ~CYGARC_REG_IPRB_SCI_MASK; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
438 iprX |= (_level_)*CYGARC_REG_IPRB_SCI_PRI1; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
439 HAL_WRITE_UINT16(CYGARC_REG_IPRB, iprX); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
440 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
441 \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
442 case CYGNUM_HAL_INTERRUPT_RESERVED_1E0: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
443 case CYGNUM_HAL_INTERRUPT_RESERVED_3E0: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
444 /* Do nothing for these reserved vectors. */ \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
445 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
446 } \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
447 CYG_MACRO_END
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
448
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
449
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
450 #define HAL_INTERRUPT_MASK( _vector_ ) \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
451 CYG_MACRO_START \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
452 switch( (_vector_) ) { \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
453 case CYGNUM_HAL_INTERRUPT_NMI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
454 /* fall through */ \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
455 case CYGNUM_HAL_INTERRUPT_LVL0...CYGNUM_HAL_INTERRUPT_LVL14: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
456 /* Can only be masked by fiddling Imask in SR. */ \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
457 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
458 case CYGNUM_HAL_INTERRUPT_TMU0_TUNI0...CYGNUM_HAL_INTERRUPT_REF_ROVI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
459 HAL_INTERRUPT_SET_LEVEL((_vector_), 0); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
460 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
461 case CYGNUM_HAL_INTERRUPT_RESERVED_1E0: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
462 case CYGNUM_HAL_INTERRUPT_RESERVED_3E0: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
463 /* Do nothing for these reserved vectors. */ \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
464 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
465 default: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
466 CYG_FAIL("Unknown interrupt vector"); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
467 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
468 } \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
469 CYG_MACRO_END
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
470
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
471 #define HAL_INTERRUPT_UNMASK( _vector_ ) \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
472 CYG_MACRO_START \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
473 switch( (_vector_) ) { \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
474 case CYGNUM_HAL_INTERRUPT_NMI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
475 /* fall through */ \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
476 case CYGNUM_HAL_INTERRUPT_LVL0...CYGNUM_HAL_INTERRUPT_LVL14: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
477 /* Can only be unmasked by fiddling Imask in SR. */ \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
478 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
479 case CYGNUM_HAL_INTERRUPT_TMU0_TUNI0...CYGNUM_HAL_INTERRUPT_REF_ROVI: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
480 HAL_INTERRUPT_SET_LEVEL((_vector_), 1); \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
481 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
482 case CYGNUM_HAL_INTERRUPT_RESERVED_1E0: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
483 case CYGNUM_HAL_INTERRUPT_RESERVED_3E0: \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
484 /* Do nothing for these reserved vectors. */ \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
485 break; \
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
486 default: \
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487 CYG_FAIL("Unknown interrupt vector"); \
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488 break; \
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489 } \
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490 CYG_MACRO_END
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491
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492 #define HAL_INTERRUPT_ACKNOWLEDGE( _vector_ )
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493
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494 #define HAL_INTERRUPT_CONFIGURE( _vector_, _level_, _up_ )
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495
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496 //--------------------------------------------------------------------------
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497 // Clock control
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498
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499 // Using TMU counter 0, clocked at p/4, with peripheral clock
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500 // sourced directly from the 15MHz crystal (which is the default setup
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501 // on the EDK). This means 150000/4 oscillations in 1/100 second.
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502 #define HAL_CLOCK_INITIALIZE( _period_ ) \
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503 CYG_MACRO_START \
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504 register cyg_uint8 _tstr_; \
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505 \
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506 /* Disable timer while programming it. */ \
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507 HAL_READ_UINT8(CYGARC_REG_TSTR, _tstr_); \
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508 _tstr_ &= ~CYGARC_REG_TSTR_STR0; \
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509 HAL_WRITE_UINT8(CYGARC_REG_TSTR, _tstr_); \
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510 \
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511 /* Set counter registers. */ \
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512 HAL_WRITE_UINT32(CYGARC_REG_TCOR0, (_period_)); \
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513 HAL_WRITE_UINT32(CYGARC_REG_TCNT0, (_period_)); \
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514 \
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515 /* Set interrupt on underflow, decrement frequency at 1/4 of */ \
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516 /* peripheral clock. */ \
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517 HAL_WRITE_UINT16(CYGARC_REG_TCR0, CYGARC_REG_TCR_UNIE); \
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518 \
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519 /* Enable timer. */ \
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520 _tstr_ |= CYGARC_REG_TSTR_STR0; \
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521 HAL_WRITE_UINT8(CYGARC_REG_TSTR, _tstr_); \
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522 \
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523 CYG_MACRO_END
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524
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525 #define HAL_CLOCK_RESET( _vector_, _period_ ) \
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526 CYG_MACRO_START \
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527 register cyg_uint16 _tcr_; \
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528 \
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529 /* Clear underflow flag. */ \
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530 HAL_READ_UINT16(CYGARC_REG_TCR0, _tcr_); \
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531 _tcr_ &= ~CYGARC_REG_TCR_UNF; \
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532 HAL_WRITE_UINT16(CYGARC_REG_TCR0, _tcr_); \
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533 HAL_READ_UINT16(CYGARC_REG_TCR0, _tcr_); \
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534 \
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535 CYG_MACRO_END
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536
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537 #define HAL_CLOCK_READ( _pvalue_ ) \
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538 CYG_MACRO_START \
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539 register cyg_uint32 _result_; \
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540 \
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541 HAL_READ_UINT32(CYGARC_REG_TCNT0, _result_); \
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542 \
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543 *(_pvalue_) = CYGNUM_KERNEL_COUNTERS_RTC_PERIOD-_result_; \
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544 CYG_MACRO_END
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545
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546 #ifdef CYGVAR_KERNEL_COUNTERS_CLOCK_LATENCY
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547 #define HAL_CLOCK_LATENCY( _pvalue_ ) HAL_CLOCK_READ(_pvalue_)
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548 #endif
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549
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550 #endif // __ASSEMBLER__
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551
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552 //--------------------------------------------------------------------------
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553 #endif // ifndef CYGONCE_HAL_INTR_H
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554 // End of hal_intr.h