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annotate packages/hal/fr30/skmb91302/current/src/platform.S @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

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Update all copyright banners to reflect FSF ownership; fix and improve licence text.
author jlarmour
date Thu, 29 Jan 2009 17:47:46 +0000
parents 7c92e5146d0a
children
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1 ##=============================================================================
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2 ##
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3 ## platform.S
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4 ##
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5 ## Fujitsu Starterkit MB91302 platform code
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6 ##
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7 ##=============================================================================
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8 ## ####ECOSGPLCOPYRIGHTBEGIN####
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9 ## -------------------------------------------
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10 ## This file is part of eCos, the Embedded Configurable Operating System.
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11 ## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 ##
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13 ## eCos is free software; you can redistribute it and/or modify it under
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14 ## the terms of the GNU General Public License as published by the Free
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15 ## Software Foundation; either version 2 or (at your option) any later
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16 ## version.
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17 ##
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18 ## eCos is distributed in the hope that it will be useful, but WITHOUT
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19 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 ## for more details.
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22 ##
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23 ## You should have received a copy of the GNU General Public License
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24 ## along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 ## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 ##
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27 ## As a special exception, if other files instantiate templates or use
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28 ## macros or inline functions from this file, or you compile this file
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29 ## and link it with other works to produce a work based on this file,
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30 ## this file does not by itself cause the resulting work to be covered by
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31 ## the GNU General Public License. However the source code for this file
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32 ## must still be made available in accordance with section (3) of the GNU
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33 ## General Public License v2.
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34 ##
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35 ## This exception does not invalidate any other reasons why a work based
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36 ## on this file might be covered by the GNU General Public License.
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37 ## -------------------------------------------
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38 ## ####ECOSGPLCOPYRIGHTEND####
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39 ##=============================================================================
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40 #######DESCRIPTIONBEGIN####
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41 ##
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42 ## Author(s): larsi
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43 ## Contributors:
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44 ## Date: 2007-07-09
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45 ## Purpose: Fujitsu Starterkit MB91302 platform code
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46 ## Description: Platform specific code for Fujitsu Starterkit MB91302 board.
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47 ##
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48 ##
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49 ##
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50 ##
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51 ######DESCRIPTIONEND####
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52 ##
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53 ##=============================================================================
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54
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55 #include <pkgconf/system.h>
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56 #include <pkgconf/hal.h>
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57
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58 #ifdef CYGPKG_KERNEL
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59 # include <pkgconf/kernel.h>
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60 #endif
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61
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62 #include <cyg/hal/arch.inc>
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63
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64 ##-----------------------------------------------------------------------------
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65 ## platforms special entry point.
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66 ## it copies the code from hal_fr30_ram_startup_trampoline until
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67 ## hal_fr30_ram_startup_trampoline_end to ram and jumps there. The code there
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68 ## is for mapping the flash to 0x1000000 and then jumping to real entry
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69 ## (_start).
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70
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71 #if defined(CYG_HAL_STARTUP_ROM) || defined(CYG_HAL_STARTUP_ROMRAM)
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72
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73 .section ".rom_startup_trampoline","ax"
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74
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75 .balign 4
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76 .global hal_fr30_rom_startup_trampoline
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77 hal_fr30_rom_startup_trampoline:
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78 # disable interrupts and set priority to lowest (=disable)
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79 andccr #0xef
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80 stilm #0x0
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81
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82 ldi:32 #__rom_trampoline_start - 4, r11
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83 ldi:32 #__ram_trampoline_start - 4, r13
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84 ldi:32 #__rom_trampoline_end - 8, r12
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85 1:
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86 add #0x4, r11
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87 add #0x4, r13
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88 ld @r11, r0
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89 cmp r12, r11
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90 ble:d 1b
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91 st r0, @r13
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92
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93 ## jump to the code in ram
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94 ldi:32 #hal_fr30_ram_startup_trampoline, r0
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95 jmp @r0
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96
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97 #endif
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98
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99 ##-----------------------------------------------------------------------------
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100 # Platform Initialization.
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101 # This code is copied to a location in RAM on startup and is executed there.
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102 # It maps the the FLASH chip to 0x1000000 and sets the TBR to the new location
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103 # of the hardware vector table (hal_fr30_vector_table). So we can reach the full
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104 # range of the FLASH and it can be used for flashfilesystem. After that it jumps
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105 # to the real application.
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106
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107 #if defined(CYG_HAL_STARTUP_ROM) || defined(CYG_HAL_STARTUP_ROMRAM)
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108
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109 .section ".ram_startup_trampoline","ax"
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110
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111 .balign 4
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112 .global hal_fr30_ram_startup_trampoline
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113 hal_fr30_ram_startup_trampoline:
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114 hal_flash_init_from_ram
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115
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116 ## map TBR to the new location (for vector tables)
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117 ldi:32 #0x10ffc00, r0
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118 mov r0, tbr
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119
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120 ## jump to real startup
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121 ldi:32 #_start, r0
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122 jmp @r0
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123
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124 #endif
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125
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126
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127 #==============================================================================
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128 # Vector table for storage in flash, version for skmb91302 platform.
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129 # it differs from variants/archs version in that uses a different reset vector
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130 # that points to the special startup procedure that jumps to the normal entry
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131 # (_start) later.
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132 # base address is 0x000FFC00 and 0x10ffc00 after remapping the flash.
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133 # This address stores the vector address for number 255
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134 # address 0x000FFFFC (0x10ffffc) is the last vector, the reset vector, which
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135 # is not alterable. Vectors 255 to 80 are used by the INT instruction and set
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136 # to 0 here for now ...
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137
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138
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139 #if defined(CYG_HAL_STARTUP_ROM) || defined(CYG_HAL_STARTUP_ROMRAM)
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140
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141 .section ".rom_vectors","ax"
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142
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143 .balign 4
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144 .global hal_fr30_vector_table
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145 hal_fr30_vector_table:
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146 .rept 255-80 + 1
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147 .long 0x0
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148 .endr
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149 .rept 79-67 + 1
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150 .long 0x0
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151 .endr
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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152
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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153 .long 0x0
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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154 .long 0x0
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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155 .long 0x0
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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156 # number 63 first interrupt source
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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157 .long hal_fr30_irq_63
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158 .long hal_fr30_irq_62
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159 .long hal_fr30_irq_61
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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160 .long hal_fr30_irq_60
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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161 .long hal_fr30_irq_59
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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162 .long hal_fr30_irq_58
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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163 .long hal_fr30_irq_57
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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164 .long hal_fr30_irq_56
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165 .long hal_fr30_irq_55
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166 .long hal_fr30_irq_54
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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167 .long hal_fr30_irq_53
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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168 .long hal_fr30_irq_52
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169 .long hal_fr30_irq_51
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170 .long hal_fr30_irq_50
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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171 .long hal_fr30_irq_49
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172 .long hal_fr30_irq_48
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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173 .long hal_fr30_irq_47
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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174 .long hal_fr30_irq_46
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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175 .long hal_fr30_irq_45
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176 .long hal_fr30_irq_44
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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177 .long hal_fr30_irq_43
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178 .long hal_fr30_irq_42
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179 .long hal_fr30_irq_41
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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180 .long hal_fr30_irq_40
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181 .long hal_fr30_irq_39
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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182 .long hal_fr30_irq_38
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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183 .long hal_fr30_irq_37
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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184 .long hal_fr30_irq_36
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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185 .long hal_fr30_irq_35
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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186 .long hal_fr30_irq_34
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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187 .long hal_fr30_irq_33
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188 .long hal_fr30_irq_32
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189 .long hal_fr30_irq_31
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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190 .long hal_fr30_irq_30
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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191 .long hal_fr30_irq_29
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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192 .long hal_fr30_irq_28
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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193 .long hal_fr30_irq_27
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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194 .long hal_fr30_irq_26
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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195 .long hal_fr30_irq_25
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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196 .long hal_fr30_irq_24
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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197 .long hal_fr30_irq_23
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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198 .long hal_fr30_irq_22
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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199 .long hal_fr30_irq_21
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200 .long hal_fr30_irq_20
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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201 .long hal_fr30_irq_19
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202 .long hal_fr30_irq_18
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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203 .long hal_fr30_irq_17
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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204 .long hal_fr30_irq_16
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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205 .long hal_fr30_irq_15
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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206 .long hal_fr30_exception_noerr_14
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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207 .long hal_fr30_exception_noerr_13
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208 .long hal_fr30_exception_noerr_12
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209 .long hal_fr30_exception_noerr_11
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210 .long hal_fr30_exception_noerr_10
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211 .long hal_fr30_exception_noerr_9
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212 .long hal_fr30_exception_noerr_8
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213 .long hal_fr30_exception_noerr_7
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214 .long hal_fr30_exception_noerr_6
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215 .long hal_fr30_exception_noerr_5
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216 .long hal_fr30_exception_noerr_4
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217 .long hal_fr30_exception_noerr_3
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218 .long hal_fr30_exception_noerr_2
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219
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220 # mode vector (only the first of the four byte is relevant)
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221 .byte 0x1
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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222 .byte 0
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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223 .byte 0
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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224 .byte 0
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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225
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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226 # reset vector
7c92e5146d0a * src/platform.S: Startup routines for remapping the flash during
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227 .long hal_fr30_rom_startup_trampoline
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228
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229 #endif /*CYG_HAL_STARTUP_ROM || CYG_HAL_STARTUP_ROMRAM*/
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6ac315df1958 Port to the FR30 architecture, the mb91301 variant and the skmb91302 board.
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230
6ac315df1958 Port to the FR30 architecture, the mb91301 variant and the skmb91302 board.
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231
6ac315df1958 Port to the FR30 architecture, the mb91301 variant and the skmb91302 board.
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232 ##-----------------------------------------------------------------------------
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233 ## end of platform.S