Mercurial > nand-ecoscentric
annotate packages/devs/eth/arm/ebsa285/current/ChangeLog @ 90:70190fa0fe10 ecos-sw-2000-05-19
Merge from eCos master repository on 2000-05-19-07:47:03-BST
| author | jlarmour |
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| date | Fri, 19 May 2000 12:47:51 +0000 |
| parents | afdeb44241de |
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1 2000-05-12 Hugo Tyson <hmt@cygnus.co.uk> |
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2 |
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3 * tests/test_net_realtime.h (tnr_print_activity): New routine to |
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4 check the system is working, tidied up the API. It works! |
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5 |
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6 2000-05-11 Hugo Tyson <hmt@cygnus.co.uk> |
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7 |
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8 * cdl/ebsa285_eth_drivers.cdl: Added export of the test header |
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9 below, and config opts for controlling EEPROM writing and all the |
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10 status chatter as the device starts up. |
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11 |
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12 * src/if_ebsa285.c: Reworked the code for reading and setting the |
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13 EEPROM that holds the MAC address. This is very ugly, but now |
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14 more reliable. Also tidied up printing cruft with neater |
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15 configury, and made it an option (for safety) whether it's |
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16 possible to write the EEPROM at all. |
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17 |
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18 * tests/test_net_realtime.h: New file - it is intended to be used |
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19 by networking tests to verify that latency is not compromised by |
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20 the stack and driver. It's very platform specific, hence the |
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21 location in here. This is a preliminary version only. |
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22 |
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23 2000-04-27 Hugo Tyson <hmt@cygnus.co.uk> |
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24 |
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25 * src/if_ebsa285.c: A serious re-write. This cuts out a lot of |
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26 code from the old version and improves the performance greatly. |
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27 |
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28 The cruft was mainly doing lots of explicit event communication |
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29 between the ISR and DSR, when in fact all the state needed is |
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30 present in the tx/rx rings. So both ISRs and DSRs regard their |
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31 call as an opportunity to progress everything they can, rather |
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32 than only dealing with one interrupt cause at a time; the |
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33 connection between them is now rather looser. |
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34 |
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35 Interrups can now be re-enabled after the ISR (in other words they |
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36 are not masked in the ISR), no need to wait for the DSR, but in |
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37 consequence some DSR code must mask/unmask intrs as it works. |
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38 |
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39 The 82559 appears to be a little slow in reacting to commands and |
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40 state changes, so some interrupts were being lost - or persisting |
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41 beyond their desired life - so there's some kinda polling code to |
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42 deal with that also. We also rely on the foreground to kind of |
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43 poll in the same way, in the send/can_send calls - we know the |
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44 stack will re-try if necessary, though this is rare. |
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45 |
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46 The driver now works (albeit at much reduced performance) with as |
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47 few as 6 rx and tx buffers - in other words the "queue full/out of |
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48 rx buffers" states have been tested and all is well. It works |
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49 generally fine with 8 buffers of each kind. |
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50 |
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51 The mux ISR and DSR are now rather more polled than the old |
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52 versions; we just try to do things with both devices (if active) |
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53 by simply calling each unitary ISR/DSR respectively. |
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54 |
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55 I also re-ordered some of the code, moving utilities to the end of |
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56 the file and grouping together Tx and Rx machines a bit better. |
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57 |
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58 2000-04-13 Hugo Tyson <hmt@cygnus.co.uk> |
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59 |
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60 * src/if_ebsa285.c: Attribution to Ron Spence, Pacific Softworks |
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61 added as a contributor. |
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62 |
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63 2000-04-07 Hugo Tyson <hmt@cygnus.co.uk> |
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64 |
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65 * ecos.db: Re-organize device packages. This is a massive change |
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66 involving deleting all the sources for serial and ethernet drivers |
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67 from where they used to live in |
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68 packages/io/serial/current/src/ARCH/PLATFORM.[ch] |
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69 packages/net/drivers/eth/PLATFORM/current/src/... |
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70 and reinstating them in |
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71 packages/devs/serial/ARCH/PLATFORM/current/src/... |
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72 packages/devs/eth/ARCH/PLATFORM/current/src/... |
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73 |
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74 All these new packages are properly defined in ecos.db, and are |
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75 all of type "hardware" so that a "target" can grab them. |
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76 |
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77 This directory layout is descriptive of the devices we have right |
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78 now, arch and platform are separate levels just to make it easier |
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79 to navigate in the filesystem and similar to the HAL structure in |
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80 the filesystem. |
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81 |
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82 It is *not* prescriptive of future work; for example, the mythical |
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83 common highly-portable 16550 serial driver which works on many |
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84 targets would be called "devs/serial/s16550/current", or a serial |
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85 device for a particular board (cogent springs to mind) that can |
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86 work with different CPUs fitted is "devs/serial/cogent/current". |
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87 |
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88 Changelogs have been preserved and replicated over all the new |
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89 packages, so that no history is lost. |
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90 |
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91 The contents of individual source files are unchanged; they build |
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92 in just the same emvironment except for a very few cases where the |
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93 config file name changed in this movement. |
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94 |
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95 Targets in ecos.db have been redefined to bring in all relevant |
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96 hardware packages including net and serial drivers (but the newly |
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97 included packages are only active if their desired parent is |
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98 available.) |
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99 |
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100 The names of CDL options (and their #defines of course) stay the |
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101 same for the serial drivers, for backward compatibility. |
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102 |
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103 * templates/*/current.ect: these have had CYGPKG_IO_SERIAL added |
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104 rather than it being in (almost) all target definitions. |
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105 |
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106 2000-03-29 Hugo Tyson <hmt@cygnus.co.uk> |
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107 |
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108 * src/if_ebsa285.c (i82559_recv): Be happy with NULLs in the |
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109 SGlist; it means the caller is out of memory so drop the packet on |
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110 the floor. Also remove a completely redundant test. |
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111 |
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112 2000-03-06 Hugo Tyson <hmt@cygnus.co.uk> |
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113 |
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114 * src/if_ebsa285.c (i82559_can_send): Update net driver to new |
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115 interface style. This is incomplete wrt promiscuous mode, but |
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116 that's probably about all. |
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117 |
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118 2000-02-14 Gary Thomas <gthomas@cygnus.co.uk> |
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119 |
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120 * cdl/ebsa285_eth_drivers.cdl: Update CDL to indicate multiple |
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121 interface support. |
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122 |
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123 2000-02-14 Hugo Tyson <hmt@cygnus.co.uk> |
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124 |
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125 * src/if_ebsa285.c (pci_init_find_82559s): Tidy comments somewhat |
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126 and set debug and stats collecting defines to most friendly |
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127 settings. |
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128 |
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129 2000-02-10 Hugo Tyson <hmt@cygnus.co.uk> |
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130 |
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131 * src/if_ebsa285.c (PacketRxReady): Fix bug; current descriptor |
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132 was not being write back for the callback to use. Hence asserts |
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133 on state of rfd were firing in busy times - that leading rfd had |
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134 already been drained. |
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135 |
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136 Also rationalized meaning of DEBUG printy symbols a bit - it's now |
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137 chatty during startup/foreground manipulations but not in any |
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138 performance related activities ie. rx or tx. |
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139 |
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140 2000-02-09 John Dallaway <jld@cygnus.co.uk> |
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141 |
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142 * cdl/ebsa285_eth_drivers.cdl: |
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143 |
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144 Reparent under CYGPKG_NET_ETH_DRIVERS and tidy display strings. |
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145 |
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146 2000-02-08 Hugo Tyson <hmt@cygnus.co.uk> |
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147 |
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148 * src/if_ebsa285.c: New File. |
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149 * cdl/ebsa285_eth_drivers.cdl: New File. |
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150 |
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151 Initial Checkin of EBSA285 Ethernet driver. |
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152 |
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153 It's one monolithic file at present, and should be split up into a |
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154 more generic Intel 82559 driver plus platform-specific parts (PCI |
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155 et al) plus eCos/Red-Hat-BSD-stack parts. |
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156 |
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157 //=========================================================================== |
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158 //####COPYRIGHTBEGIN#### |
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159 // |
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160 // ------------------------------------------- |
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161 // The contents of this file are subject to the Red Hat eCos Public License |
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162 // Version 1.1 (the "License"); you may not use this file except in |
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163 // compliance with the License. You may obtain a copy of the License at |
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164 // http://www.redhat.com/ |
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165 // |
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166 // Software distributed under the License is distributed on an "AS IS" |
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167 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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168 // License for the specific language governing rights and limitations under |
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169 // the License. |
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170 // |
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171 // The Original Code is eCos - Embedded Configurable Operating System, |
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172 // released September 30, 1998. |
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173 // |
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174 // The Initial Developer of the Original Code is Red Hat. |
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175 // Portions created by Red Hat are |
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176 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. |
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177 // All Rights Reserved. |
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178 // ------------------------------------------- |
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179 // |
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180 //####COPYRIGHTEND#### |
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181 //=========================================================================== |
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182 |
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183 |
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184 |
