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annotate packages/hal/sh/sh4/current/src/var_misc.c @ 134:d2f49caf9e38 ecos-sw-2000-11-03

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Merge from eCos master repository on 2000-11-03-09:00:49-GMT
author jlarmour
date Fri, 03 Nov 2000 21:17:40 +0000
parents
children 52c99470ec11
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134
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1 //==========================================================================
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2 //
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3 // var_misc.c
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4 //
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5 // HAL miscellaneous functions
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): jskov
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35 // Contributors: jskov, jlarmour, nickg
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36 // Date: 1999-04-03
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37 // Purpose: HAL miscellaneous functions
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38 // Description: This file contains miscellaneous functions provided by the
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39 // HAL.
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40 //
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41 //####DESCRIPTIONEND####
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42 //
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43 //===========================================================================
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44
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45 #include <pkgconf/hal.h>
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46
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47 #include <cyg/infra/cyg_type.h>
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48 #include <cyg/infra/cyg_trac.h> // tracing macros
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49 #include <cyg/infra/cyg_ass.h> // assertion macros
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50 #include <cyg/infra/diag.h> // diag_printf
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51
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52 #include <cyg/hal/hal_arch.h> // HAL header
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53 #include <cyg/hal/hal_cache.h> // HAL cache
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54 #include <cyg/hal/hal_intr.h> // HAL interrupts/exceptions
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55
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56 //---------------------------------------------------------------------------
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57 // Initial cache enabling
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58
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59 #ifdef CYGHWR_HAL_SH_CACHE_MODE_P0_WRITE_BACK
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60 # define CACHE_MODE_P0 0
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61 #else
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62 # define CACHE_MODE_P0 CYGARC_REG_CCR_WT
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63 #endif
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64
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65 #ifdef CYGHWR_HAL_SH_CACHE_MODE_P1_WRITE_BACK
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66 # define CACHE_MODE_P1 CYGARC_REG_CCR_CB
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67 #else
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68 # define CACHE_MODE_P1 0
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69 #endif
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70
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71 externC void
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72 cyg_var_enable_caches(void)
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73 {
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74 // Initialize cache.
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75 HAL_DCACHE_INVALIDATE_ALL();
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76 HAL_ICACHE_INVALIDATE_ALL();
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77
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78 // Set cache modes
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79 HAL_DCACHE_WRITE_MODE_SH(CACHE_MODE_P0|CACHE_MODE_P1);
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80
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81 #ifdef CYGHWR_HAL_SH_CACHE_ENABLE
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82 // Enable cache.
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83 HAL_ICACHE_ENABLE();
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84 HAL_DCACHE_ENABLE();
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85 #endif
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86 }
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87
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88 //---------------------------------------------------------------------------
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89 void
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90 hal_variant_init(void)
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91 {
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92 }
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93
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94 //---------------------------------------------------------------------------
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95
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96 #ifdef CYGSEM_HAL_COMMON_INTERRUPTS_ALLOW_NESTING
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97 externC cyg_uint8 cyg_hal_ILVL_table[];
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98 #define HAL_UPDATE_ILVL_TABLE(_vector_, _level_) \
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99 /* Update the ILVL table, so it is easy for the interrupt entry */ \
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100 /* code to find out the level of a given interrupt source. */ \
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101 cyg_hal_ILVL_table[(_vector_)] = (_level_)
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102 #else
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103 #define HAL_UPDATE_ILVL_TABLE(_vector_, _level_)
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104 #endif
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105
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106 void
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107 hal_interrupt_set_level(int vector, int level)
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108 {
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109 cyg_uint16 iprX;
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110
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111 CYG_ASSERT((0 <= (level) && 15 >= (level)), "Illegal level");
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112 CYG_ASSERT((CYGNUM_HAL_ISR_MIN <= (vector)
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113 && CYGNUM_HAL_ISR_MAX >= (vector)), "Illegal vector");
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114
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115 HAL_UPDATE_ILVL_TABLE(vector, level);
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116
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117 switch( (vector) ) {
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118 case CYGNUM_HAL_INTERRUPT_NMI:
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119 /* fall through */
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120 case CYGNUM_HAL_INTERRUPT_LVL0...CYGNUM_HAL_INTERRUPT_LVL14:
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121 /* Cannot change levels */
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122 break;
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123
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124 /* IPRA */
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125 case CYGNUM_HAL_INTERRUPT_TMU0_TUNI0:
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126 HAL_READ_UINT16(CYGARC_REG_IPRA, iprX);
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127 iprX &= ~CYGARC_REG_IPRA_TMU0_MASK;
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128 iprX |= (level)*CYGARC_REG_IPRA_TMU0_PRI1;
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129 HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX);
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130 break;
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131 case CYGNUM_HAL_INTERRUPT_TMU1_TUNI1:
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132 HAL_READ_UINT16(CYGARC_REG_IPRA, iprX);
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133 iprX &= ~CYGARC_REG_IPRA_TMU1_MASK;
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134 iprX |= (level)*CYGARC_REG_IPRA_TMU1_PRI1;
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135 HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX);
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136 break;
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137 case CYGNUM_HAL_INTERRUPT_TMU2_TUNI2:
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jlarmour
parents:
diff changeset
138 case CYGNUM_HAL_INTERRUPT_TMU2_TICPI2:
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jlarmour
parents:
diff changeset
139 HAL_READ_UINT16(CYGARC_REG_IPRA, iprX);
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jlarmour
parents:
diff changeset
140 iprX &= ~CYGARC_REG_IPRA_TMU2_MASK;
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jlarmour
parents:
diff changeset
141 iprX |= (level)*CYGARC_REG_IPRA_TMU2_PRI1;
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jlarmour
parents:
diff changeset
142 HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX);
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jlarmour
parents:
diff changeset
143 break;
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jlarmour
parents:
diff changeset
144 case CYGNUM_HAL_INTERRUPT_RTC_ATI:
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jlarmour
parents:
diff changeset
145 case CYGNUM_HAL_INTERRUPT_RTC_PRI:
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jlarmour
parents:
diff changeset
146 case CYGNUM_HAL_INTERRUPT_RTC_CUI:
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jlarmour
parents:
diff changeset
147 HAL_READ_UINT16(CYGARC_REG_IPRA, iprX);
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jlarmour
parents:
diff changeset
148 iprX &= ~CYGARC_REG_IPRA_RTC_MASK;
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jlarmour
parents:
diff changeset
149 iprX |= (level)*CYGARC_REG_IPRA_RTC_PRI1;
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jlarmour
parents:
diff changeset
150 HAL_WRITE_UINT16(CYGARC_REG_IPRA, iprX);
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jlarmour
parents:
diff changeset
151 break;
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jlarmour
parents:
diff changeset
152
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jlarmour
parents:
diff changeset
153 /* IPRB */
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jlarmour
parents:
diff changeset
154 case CYGNUM_HAL_INTERRUPT_SCI_ERI:
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jlarmour
parents:
diff changeset
155 case CYGNUM_HAL_INTERRUPT_SCI_RXI:
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jlarmour
parents:
diff changeset
156 case CYGNUM_HAL_INTERRUPT_SCI_TXI:
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jlarmour
parents:
diff changeset
157 case CYGNUM_HAL_INTERRUPT_SCI_TEI:
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jlarmour
parents:
diff changeset
158 HAL_READ_UINT16(CYGARC_REG_IPRB, iprX);
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jlarmour
parents:
diff changeset
159 iprX &= ~CYGARC_REG_IPRB_SCI_MASK;
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jlarmour
parents:
diff changeset
160 iprX |= (level)*CYGARC_REG_IPRB_SCI_PRI1;
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jlarmour
parents:
diff changeset
161 HAL_WRITE_UINT16(CYGARC_REG_IPRB, iprX);
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jlarmour
parents:
diff changeset
162 break;
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jlarmour
parents:
diff changeset
163 case CYGNUM_HAL_INTERRUPT_WDT_ITI:
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jlarmour
parents:
diff changeset
164 HAL_READ_UINT16(CYGARC_REG_IPRB, iprX);
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jlarmour
parents:
diff changeset
165 iprX &= ~CYGARC_REG_IPRB_WDT_MASK;
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jlarmour
parents:
diff changeset
166 iprX |= (level)*CYGARC_REG_IPRB_WDT_PRI1;
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jlarmour
parents:
diff changeset
167 HAL_WRITE_UINT16(CYGARC_REG_IPRB, iprX);
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jlarmour
parents:
diff changeset
168 break;
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jlarmour
parents:
diff changeset
169 case CYGNUM_HAL_INTERRUPT_REF_RCMI:
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jlarmour
parents:
diff changeset
170 case CYGNUM_HAL_INTERRUPT_REF_ROVI:
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jlarmour
parents:
diff changeset
171 HAL_READ_UINT16(CYGARC_REG_IPRB, iprX);
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jlarmour
parents:
diff changeset
172 iprX &= ~CYGARC_REG_IPRB_REF_MASK;
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jlarmour
parents:
diff changeset
173 iprX |= (level)*CYGARC_REG_IPRB_REF_PRI1;
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jlarmour
parents:
diff changeset
174 HAL_WRITE_UINT16(CYGARC_REG_IPRB, iprX);
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jlarmour
parents:
diff changeset
175 break;
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jlarmour
parents:
diff changeset
176
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jlarmour
parents:
diff changeset
177 /* IPRC */
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jlarmour
parents:
diff changeset
178 case CYGNUM_HAL_INTERRUPT_HUDI:
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jlarmour
parents:
diff changeset
179 HAL_READ_UINT16(CYGARC_REG_IPRC, iprX);
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jlarmour
parents:
diff changeset
180 iprX &= ~CYGARC_REG_IPRC_HUDI_MASK;
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jlarmour
parents:
diff changeset
181 iprX |= (level)*CYGARC_REG_IPRC_HUDI_PRI1;
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jlarmour
parents:
diff changeset
182 HAL_WRITE_UINT16(CYGARC_REG_IPRC, iprX);
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jlarmour
parents:
diff changeset
183 break;
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jlarmour
parents:
diff changeset
184 case CYGNUM_HAL_INTERRUPT_GPIO:
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jlarmour
parents:
diff changeset
185 HAL_READ_UINT16(CYGARC_REG_IPRC, iprX);
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jlarmour
parents:
diff changeset
186 iprX &= ~CYGARC_REG_IPRC_GPIO_MASK;
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jlarmour
parents:
diff changeset
187 iprX |= (level)*CYGARC_REG_IPRC_GPIO_PRI1;
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jlarmour
parents:
diff changeset
188 HAL_WRITE_UINT16(CYGARC_REG_IPRC, iprX);
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jlarmour
parents:
diff changeset
189 break;
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jlarmour
parents:
diff changeset
190 case CYGNUM_HAL_INTERRUPT_DMAC_DMTE0:
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jlarmour
parents:
diff changeset
191 case CYGNUM_HAL_INTERRUPT_DMAC_DMTE1:
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jlarmour
parents:
diff changeset
192 case CYGNUM_HAL_INTERRUPT_DMAC_DMTE2:
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jlarmour
parents:
diff changeset
193 case CYGNUM_HAL_INTERRUPT_DMAC_DMTE3:
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jlarmour
parents:
diff changeset
194 case CYGNUM_HAL_INTERRUPT_DMAC_DMAE:
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jlarmour
parents:
diff changeset
195 HAL_READ_UINT16(CYGARC_REG_IPRC, iprX);
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jlarmour
parents:
diff changeset
196 iprX &= ~CYGARC_REG_IPRC_DMAC_MASK;
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jlarmour
parents:
diff changeset
197 iprX |= (level)*CYGARC_REG_IPRC_DMAC_PRI1;
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jlarmour
parents:
diff changeset
198 HAL_WRITE_UINT16(CYGARC_REG_IPRC, iprX);
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jlarmour
parents:
diff changeset
199 break;
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jlarmour
parents:
diff changeset
200 case CYGNUM_HAL_INTERRUPT_SCIF_ERI:
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jlarmour
parents:
diff changeset
201 case CYGNUM_HAL_INTERRUPT_SCIF_RXI:
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jlarmour
parents:
diff changeset
202 case CYGNUM_HAL_INTERRUPT_SCIF_BRI:
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jlarmour
parents:
diff changeset
203 case CYGNUM_HAL_INTERRUPT_SCIF_TXI:
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jlarmour
parents:
diff changeset
204 HAL_READ_UINT16(CYGARC_REG_IPRC, iprX);
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jlarmour
parents:
diff changeset
205 iprX &= ~CYGARC_REG_IPRC_DMAC_MASK;
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jlarmour
parents:
diff changeset
206 iprX |= (level)*CYGARC_REG_IPRC_DMAC_PRI1;
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jlarmour
parents:
diff changeset
207 HAL_WRITE_UINT16(CYGARC_REG_IPRC, iprX);
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jlarmour
parents:
diff changeset
208 break;
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jlarmour
parents:
diff changeset
209 case CYGNUM_HAL_INTERRUPT_RESERVED_1E0:
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jlarmour
parents:
diff changeset
210 case CYGNUM_HAL_INTERRUPT_RESERVED_3E0:
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jlarmour
parents:
diff changeset
211 case CYGNUM_HAL_INTERRUPT_RESERVED_5C0:
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jlarmour
parents:
diff changeset
212 case CYGNUM_HAL_INTERRUPT_RESERVED_5E0:
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jlarmour
parents:
diff changeset
213 case CYGNUM_HAL_INTERRUPT_RESERVED_6E0:
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jlarmour
parents:
diff changeset
214 /* Do nothing for these reserved vectors. */
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jlarmour
parents:
diff changeset
215 break;
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jlarmour
parents:
diff changeset
216 }
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jlarmour
parents:
diff changeset
217 }
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jlarmour
parents:
diff changeset
218
d2f49caf9e38 Merge from eCos master repository on 2000-11-03-09:00:49-GMT
jlarmour
parents:
diff changeset
219 void
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jlarmour
parents:
diff changeset
220 hal_interrupt_mask(int vector)
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jlarmour
parents:
diff changeset
221 {
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jlarmour
parents:
diff changeset
222 switch( vector ) {
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jlarmour
parents:
diff changeset
223 case CYGNUM_HAL_INTERRUPT_NMI:
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jlarmour
parents:
diff changeset
224 /* fall through */
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jlarmour
parents:
diff changeset
225 case CYGNUM_HAL_INTERRUPT_LVL0...CYGNUM_HAL_INTERRUPT_LVL14:
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jlarmour
parents:
diff changeset
226 /* Can only be masked by fiddling Imask in SR. */
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jlarmour
parents:
diff changeset
227 break;
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jlarmour
parents:
diff changeset
228 case CYGNUM_HAL_INTERRUPT_TMU0_TUNI0...CYGNUM_HAL_ISR_MAX:
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jlarmour
parents:
diff changeset
229 HAL_INTERRUPT_SET_LEVEL((vector), 0);
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jlarmour
parents:
diff changeset
230 break;
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jlarmour
parents:
diff changeset
231 case CYGNUM_HAL_INTERRUPT_RESERVED_1E0:
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jlarmour
parents:
diff changeset
232 case CYGNUM_HAL_INTERRUPT_RESERVED_3E0:
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jlarmour
parents:
diff changeset
233 /* Do nothing for these reserved vectors. */
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jlarmour
parents:
diff changeset
234 break;
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jlarmour
parents:
diff changeset
235 default:
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jlarmour
parents:
diff changeset
236 CYG_FAIL("Unknown interrupt vector");
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jlarmour
parents:
diff changeset
237 break;
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jlarmour
parents:
diff changeset
238 }
d2f49caf9e38 Merge from eCos master repository on 2000-11-03-09:00:49-GMT
jlarmour
parents:
diff changeset
239 }
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jlarmour
parents:
diff changeset
240
d2f49caf9e38 Merge from eCos master repository on 2000-11-03-09:00:49-GMT
jlarmour
parents:
diff changeset
241 void
d2f49caf9e38 Merge from eCos master repository on 2000-11-03-09:00:49-GMT
jlarmour
parents:
diff changeset
242 hal_interrupt_unmask(int vector)
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jlarmour
parents:
diff changeset
243 {
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jlarmour
parents:
diff changeset
244 switch( (vector) ) {
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jlarmour
parents:
diff changeset
245 case CYGNUM_HAL_INTERRUPT_NMI:
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jlarmour
parents:
diff changeset
246 /* fall through */
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jlarmour
parents:
diff changeset
247 case CYGNUM_HAL_INTERRUPT_LVL0...CYGNUM_HAL_INTERRUPT_LVL14:
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jlarmour
parents:
diff changeset
248 /* Can only be unmasked by fiddling Imask in SR. */
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jlarmour
parents:
diff changeset
249 break;
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jlarmour
parents:
diff changeset
250 case CYGNUM_HAL_INTERRUPT_TMU0_TUNI0...CYGNUM_HAL_ISR_MAX:
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jlarmour
parents:
diff changeset
251 HAL_INTERRUPT_SET_LEVEL((vector), 1);
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jlarmour
parents:
diff changeset
252 break;
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jlarmour
parents:
diff changeset
253 case CYGNUM_HAL_INTERRUPT_RESERVED_1E0:
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jlarmour
parents:
diff changeset
254 case CYGNUM_HAL_INTERRUPT_RESERVED_3E0:
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jlarmour
parents:
diff changeset
255 /* Do nothing for these reserved vectors. */
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jlarmour
parents:
diff changeset
256 break;
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jlarmour
parents:
diff changeset
257 default:
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jlarmour
parents:
diff changeset
258 CYG_FAIL("Unknown interrupt vector");
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jlarmour
parents:
diff changeset
259 break;
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jlarmour
parents:
diff changeset
260 }
d2f49caf9e38 Merge from eCos master repository on 2000-11-03-09:00:49-GMT
jlarmour
parents:
diff changeset
261 }
d2f49caf9e38 Merge from eCos master repository on 2000-11-03-09:00:49-GMT
jlarmour
parents:
diff changeset
262
d2f49caf9e38 Merge from eCos master repository on 2000-11-03-09:00:49-GMT
jlarmour
parents:
diff changeset
263
d2f49caf9e38 Merge from eCos master repository on 2000-11-03-09:00:49-GMT
jlarmour
parents:
diff changeset
264 void
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jlarmour
parents:
diff changeset
265 hal_interrupt_acknowledge(int vector)
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jlarmour
parents:
diff changeset
266 {
d2f49caf9e38 Merge from eCos master repository on 2000-11-03-09:00:49-GMT
jlarmour
parents:
diff changeset
267 }
d2f49caf9e38 Merge from eCos master repository on 2000-11-03-09:00:49-GMT
jlarmour
parents:
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268
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269 void
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270 hal_interrupt_configure(int vector, int level, int up)
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271 {
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272 }