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annotate packages/hal/powerpc/mbx/current/ChangeLog @ 36:e97d78785e2d ecos-sw-1999-09-12

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Merge from eCos master repository on 1999-09-12-15:40:34-BST
author jlarmour
date Sun, 12 Sep 1999 15:26:05 +0000
parents 5af43b635655
children e7ba79f6d3a8
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36
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1 1999-09-09 Gary Thomas <gthomas@cygnus.co.uk>
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2
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3 * include/pkgconf/hal_powerpc_mbx.h (CYGHWR_HAL_POWERPC_MBX_BOARD_SPEED):
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4 Rename CDL option to avoid a name clash.
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6 1999-07-27 Hugo Tyson <hmt@cygnus.co.uk>
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8 * src/mbx.S: Fix typo in PLL setup value. Reported from the net.
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10 1999-06-28 Hugo Tyson <hmt@cygnus.co.uk>
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12 * src/hal_diag.c (hal_diag_init): Fix a "default type" warning.
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13
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14 1999-06-28 Hugo Tyson <hmt@cygnus.co.uk>
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16 * src/hal_diag.c (hal_diag_write_char): Only gobble the GDB ACK
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17 characters if there is no pre-ISR polling call to look for ^C
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18 chars to interrupt the prog. (CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
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19 - should not be enabled if devices are in use)
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21 1999-06-28 Hugo Tyson <hmt@cygnus.co.uk>
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23 * src/mbx.S (__upmtbl_start): We do not trust rewriting the UPMs
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24 for DRAM timing whilst running out of that very DRAM. So only
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25 init UPMs in ROM start (including when making a stub rom).
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26
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27 1999-06-27 Gary Thomas <gthomas@cygnus.co.uk>
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29 * src/hal_diag.c: Support buffering of diagnostic data for later
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30 display. Controlled by CYGDBG_DIAG_BUF. Also, turn on code to
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31 handle GDB ACK characters when stubs are enabled.
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33 1999-06-25 Hugo Tyson <hmt@cygnus.co.uk>
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35 * src/mbx.S (__upmtbl_start): depending on CYG_HAL_ROM_MONITOR, we
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36 use the OLD TABLES if making a stub rom. For greatest commonality
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37 of startup code between RAM startup development binaries and ROM
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38 startup "product" binaries we completely re-initialize the UPMs
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39 that control DRAM timing even in RAM start when executing out of
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40 that very DRAM.
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41
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42 It appears that it is OK to rewrite the UPMs with the new timing
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43 data when already running with the old timing data, but not OK to
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44 update from new to new. So we use the old timing data when
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45 building stubs.
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46
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47 An alternative would be to conditionally not perform the UPM
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48 initialization in RAM startup, but that would weaken the testing
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49 value of RAM startup programs.
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50
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51 1999-06-24 Hugo Tyson <hmt@cygnus.co.uk>
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52
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53 * src/mbx.S (__upmtbl_start): Use the new tables recently supplied
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54 by email from Motorola; without them, the cache-line-zero
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55 operation only zeros 12 bytes rather than 16. [PR 20226]
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56
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57 1999-06-24 Hugo Tyson <hmt@cygnus.co.uk>
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58
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59 * include/plf_stub.h (HAL_STUB_PLATFORM_INIT_BREAK_IRQ): Define
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60 this (empty) for it is required if HAL_DEBUG_GDB_BREAK_SUPPORT is
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61 enabled. Improve HAL_STUB_PLATFORM_SET_BAUD_RATE.
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62
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63 1999-06-18 John Dallaway <jld@cygnus.co.uk>
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64
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65 * include/pkgconf/mlt_powerpc_mbx_rom.mlt:
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66 * include/pkgconf/mlt_powerpc_mbx_ram.mlt:
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67 Fix MLT save files to match the default linker script
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68 fragments.
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69
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70 1999-06-18 Hugo Tyson <hmt@cygnus.co.uk>
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71
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72 * include/pkgconf/mlt_powerpc_mbx_rom.mlt:
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73 * include/pkgconf/mlt_powerpc_mbx_ram.mlt:
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74 Initial attempt at getting these to match the reality of the
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75 linker script fragment; we'll have to see whether they're right.
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76
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77 1999-06-18 Hugo Tyson <hmt@cygnus.co.uk>
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78
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79 * src/mbx.S: Data cache setup in hal_hardware_init: set
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80 force-writethrough mode and explicitly disable little-endian swap
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81 mode, whatever _that_ is. Force-writethrough is required if you
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82 are to enable the data cache, it crashes otherwise. Cause
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83 unknown, could be the memory system doesn't support whatever
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84 access regime is used, or caching problems with loading code
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85 through the stubs? In any case, this is a fine workaround.
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86
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87 * src/hal_aux.c (CYGARC_MEMDESC_TABLE): Enable caching of the ROM;
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88 seems to do no harm, and helps ROM-based performance.
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89
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90 1999-06-18 Jesper Skov <jskov@cygnus.co.uk>
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91
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92 * include/pkgconf/hal_powerpc_mbx.h: Fixed CDL description.
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93
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94 1999-06-17 Hugo Tyson <hmt@cygnus.co.uk>
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95
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96 * misc/stubrom.perm: New file: a perm for creating an eCos stub
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97 ROM for the MBX. Pro tem, ^C to break is not supported, so the
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98 feature must remain disabled.
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99
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100 * include/plf_stub.h (HAL_STUB_PLATFORM_INIT): Diddle the LEDs if
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101 ROM start to distinguish eCos stub ROM from CygMon ROM from eCos
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102 app running/internal stubs.
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103
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104 1999-06-17 Hugo Tyson <hmt@cygnus.co.uk>
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105
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106 * include/pkgconf/mlt_powerpc_mbx_rom.ldi: Move RAM usage in ROM
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107 startup to 2000 so that we can build stubs that don't fight with
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108 RAM started apps' RAM use from 10000.
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109
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110 1999-06-17 Hugo Tyson <hmt@cygnus.co.uk>
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111
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112 * tests/PKGconf.mak: New file, to build that below.
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113
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114 * tests/mbxtime.cxx: New file, a simple test of the system timer
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115 for a human to check it's roughly seconds.
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116
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117 * include/pkgconf/mlt_powerpc_mbx_rom.ldi: ROM startup supported.
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118
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119 * include/pkgconf/hal_powerpc_mbx.h
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120 (CYGHWR_HAL_POWERPC_MBX_BOARD_SPEED): Add this config option to
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121 select 40MHz or 50MHz system clock speed.
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122
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123 * src/mbx.S (hal_hardware_init): Complete system init for ROM
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124 start; move return address to inside the ROM from wherever we
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125 booted. Proper board clock speed selection.
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126
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127 * src/hal_diag.c (hal_diag_write_char_serial): Do not encode
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128 packets for GDB if using ROM start.
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129
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130 * src/hal_aux.c (CYGARC_MEMDESC_TABLE): Map the ROM correctly so
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131 that ROM start works.
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132
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133 1999-06-15 Hugo Tyson <hmt@cygnus.co.uk>
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134
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135 * src/mbx.S (hal_hardware_init): Add full ROM-type startup code
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136 and some useful LED-diddling routines and macro, to assist in
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137 debugging ROM startup.
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138
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139 * src/hal_aux.c (CYGARC_MEMDESC_TABLE): Enable memory mapping to
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140 the LED control register so that we can treak them with mem mgt
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141 enabled ie. in a normal execution context.
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142
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143 1999-06-11 Hugo Tyson <hmt@cygnus.co.uk>
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144
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145 * src/mbx.S (hal_hardware_init): Set up the base address of the
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146 control registers in IMMR to 0xff000000 (as defined in arch).
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147 Turn off external interrupts, initialize the decrementer.
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148
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149 * src/PKGconf.mak: Build the new file.
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150
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151 * src/hal_aux.c (CYGARC_MEMDESC_TABLE): New file, to define this
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152 object for per-platform table-driven memory map initialization.
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153 The table used to be in hal_misc.c in the architectural HAL; this
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154 is platform dependent so better and cleaner here.
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155
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156 1999-06-10 Hugo Tyson <hmt@cygnus.co.uk>
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157
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158 * ChangeLog: Component created, based partly on the FADS work and
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159 on CygMon's serial IO code for the MBX860, to support the Motorola
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160 MBX860 development board. Actual serial support lies in
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161 neighbouring component HAL_QUICC [hal/powerpc/quicc/...]
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162
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163 * include/hal_diag.h
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164 * include/plf_stub.h
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165 * include/pkgconf/hal_powerpc_mbx.h
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166 * include/pkgconf/mlt_powerpc_mbx_ram.ldi
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167 * include/pkgconf/mlt_powerpc_mbx_ram.mlt
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168 * include/pkgconf/mlt_powerpc_mbx_rom.ldi
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169 * include/pkgconf/mlt_powerpc_mbx_rom.mlt
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170 * src/PKGconf.mak
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171 * src/hal_diag.c
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172 * src/mbx.S
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173 New files.
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174
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175 //===========================================================================
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176 //####COPYRIGHTBEGIN####
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177 //
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178 // -------------------------------------------
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179 // The contents of this file are subject to the Cygnus eCos Public License
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180 // Version 1.0 (the "License"); you may not use this file except in
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181 // compliance with the License. You may obtain a copy of the License at
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182 // http://sourceware.cygnus.com/ecos
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183 //
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184 // Software distributed under the License is distributed on an "AS IS"
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185 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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186 // License for the specific language governing rights and limitations under
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187 // the License.
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188 //
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189 // The Original Code is eCos - Embedded Cygnus Operating System, released
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190 // September 30, 1998.
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191 //
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192 // The Initial Developer of the Original Code is Cygnus. Portions created
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193 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
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194 // -------------------------------------------
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195 //
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196 //####COPYRIGHTEND####
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197 //===========================================================================