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Merge from eCos master repository on 2002-05-23-21:39:14-BST
author jlarmour
date Thu, 23 May 2002 22:59:51 +0000
parents e0c0827131d1
children 97e09eba698f
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1 2000-10-20 Jonathan Larmour <jlarmour@redhat.com>
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2
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3 * include/pkgconf/mlt_sparclite_sim_ram.mlt:
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4 Add heap1 section
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5
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6 * include/pkgconf/mlt_sparclite_sim_ram.h:
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7 * include/pkgconf/mlt_sparclite_sim_ram.ldi:
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8 Regenerated
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9
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10 2000-02-10 Jesper Skov <jskov@redhat.com>
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11
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12 * cdl/hal_sparclite_sim.cdl: Added.
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13
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14 1999-11-25 Gary Thomas <gthomas@cygnus.co.uk>
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15
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16 * include/pkgconf/mlt_sparclite_sim_ram.h: New file.
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17
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18 1999-10-13 Hugo Tyson <hmt@cygnus.co.uk>
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19
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20 * include/pkgconf/hal_sparclite_sim.h: Add define of
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21 CYGHWR_HAL_SPARCLITE_HAS_ASR17 for arch HAL to DTRT with SVT
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22 (anticipating cores with no SVT at all, so no %asr17)
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23
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24 1999-04-08 John Dallaway <jld@cygnus.co.uk>
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25
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26 * include/pkgconf/*.ldi: Revised SECTION_* macro arguments to
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27 avoid padded output sections (PR 19787)
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28
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29 1999-04-07 Hugo Tyson <hmt@cygnus.co.uk>
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30
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31 * src/hal_priv.c: Remove bogus FIX ME; it wasn't true.
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32
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33 1999-03-16 Hugo Tyson <hmt@cygnus.co.uk>
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34
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35 * include/halboot.si: Add a dummy LED macro for debug in the
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36 vectors.S; correct a scary line length.
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37
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38 1999-03-04 Gary Thomas <gthomas@cygnus.co.uk>
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39
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40 * include/pkgconf/hal_sparclite_sim.h: Take out DEVICES dependencies.
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41
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42 1999-03-04 John Dallaway <jld@cygnus.co.uk>
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43
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44 * include/pkgconf/*.ldi: give all LDI files unique names so
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45 that they can co-exist in an eCos build tree (PR 19184)
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46 * include/pkgconf/*.mlt: give all MLT files unique names so
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47 that they can co-exist in an eCos build tree (PR 19184)
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48
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49 1999-02-25 Hugo Tyson <hmt@cygnus.co.uk>
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50
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51 These log entries from 1999-02-22 to 1999-02-24 were executed in
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52 a branch; this change is a merge of that branch into the trunk.
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53
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54 (1999-02-23 John Dallaway <jld@cygnus.co.uk>)
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55
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56 * include/pkgconf/hal_sparclite_sim.h: New rules
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57 CYGPKG_HAL_SPARCLITE_SIM precludes CYGPKG_DEVICES_GDB
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58 CYGPKG_HAL_SPARCLITE_SIM precludes CYGPKG_DEVICES_SERIAL_RS232_COMMON
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59
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60 (1999-02-22 Hugo Tyson <hmt@cygnus.co.uk>)
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61
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62 * src/hal_priv.c (hal_board_prestart, hal_board_poststart):
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63 Shut down the erc32 watchdog in and enable interrupts in these two
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64 new routines.
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65
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66 * include/halboot.si:
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67 Remove N/A code that I was just storing here, and install the real
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68 vector instructions in this fragment; there be cache-wangling to
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69 do in hardware cases either side of the vector installation.
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70
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71 1999-02-20 Jonathan Larmour <jlarmour@cygnus.co.uk>
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72
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73 * include/hal_xpic.h:
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74 Rename CYG_VECTOR_* -> CYGNUM_HAL_INTERRUPT_*
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75
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76 * src/hal_priv.c:
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77 Add a FIX ME
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78
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79 1999-02-08 John Dallaway <jld@cygnus.co.uk>
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80
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81 * src/sim.ld: Remove platform-specific linker script for
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82 MLT compliance.
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83
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84 * src/PKGconf.mak: Remove build rules for sim.ld.
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85
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86 * include/pkgconf/ram.*: Add MLT save file and and linker
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87 script fragment for RAM startup.
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88
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89 1999-02-01 Hugo Tyson <hmt@cygnus.co.uk>
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90
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91 * include/halboot.si:
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92 New file: performs platform-oriented setup of RAM and cache
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93 controllers, and quietens any interrupt sources.
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94
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95 * include/pkgconf/hal_sparclite_sim.h:
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96 Correct comments/CDL description of sim invocation.
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97
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98 1999-01-28 Hugo Tyson <hmt@cygnus.co.uk>
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99
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100 * include/hal_cache.h: NEW FILE to this directory; moved here from
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101 the sparclite/arch tree; cache control is very much board-specific
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102
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103 * include/hal_clock.h: NEW FILE to this directory; it was a part
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104 of hal_intr.h, but is now here because the clock is target determined.
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105
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106 * include/hal_xpic.h: NEW FILE to this directory; it was a part of
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107 hal_intr.h, but is now here because the detail of interrupot
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108 control is target determined.
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109
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110 * src/hal_priv.c: NEW FILE to this directory; it was a part
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111 of hal_intr.h, but is now here because the clock is target
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112 determined, and it's the clock that needs a local variable.
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113
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114 * src/PKGconf.mak (COMPILE): compile it.
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115
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116
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117 1999-01-26 Hugo Tyson <hmt@cygnus.co.uk>
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118
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119 * src/sim.ld:
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120 Add copyright notice. (Though these files will later be generated
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121 by a tool and so not copyright, these default setups are.)
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122
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123 1999-01-22 Hugo Tyson <hmt@cygnus.co.uk>
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124
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125 * src/sim.ld:
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126 Remove some bogus comments.
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127
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128 1999-01-21 Jonathan Larmour <jlarmour@cygnus.co.uk>
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129
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130 * src/sim.ld:
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131 Remove all traces of non-CYG_KERNEL_USE_INIT_PRIORITY code
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132
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133 1999-01-21 Hugo Tyson <hmt@cygnus.co.uk>
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134
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135 * src/sim.ld:
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136 Align bss and rom/ram_data starts and ends by 8 bytes to permit
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137 fast copy routines.
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138
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139 1999-01-19 Hugo Tyson <hmt@cygnus.co.uk>
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140
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141 Modified files in arch:
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142 * include/hal_arch.h
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143 * include/hal_intr.h
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144 * src/PKGconf.mak
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145 * src/context.S
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146 * src/hal_intr.c
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147 * src/vec_ivsr.S
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148 * src/vec_xvsr.S
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149 * src/vectors.S
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150
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151 New files in arch:
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152 * src/hal_boot.c (bss initialization, constructors &c)
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153 * include/hal_cache.h (empty but required header)
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154
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155 Modified files in sim:
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156 * include/hal_diag.h
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157
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158 Lots more progress; essentially, everything now works.
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159
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160 Simulator's treatment of stdio is poor though, it doesn't work
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161 under pkgtest. This has been slowing me up.
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162
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163 1999-01-14 Hugo Tyson <hmt@cygnus.co.uk>
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164
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165 * ecc/ecc/hal/sparclite/...:
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166
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167 Initial checkin of SPARClite HAL; it doesn't work yet, except the
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168 most trivial of tests - timer and interrupt manipulation stuff is
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169 entirely absent.
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170
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171 Here's some documentation of the initial checkin tree; this will
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172 change, as platform dependent stuff moves correctly into the sim
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173 or <board> directories.
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174
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175 arch/current/include:
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176 basetype.h nothing much here.
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177 vectors.h definitions of symbols shared between the
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178 various vector code assembler files, can be
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179 included in both C and assembler.
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180 hal_intr.h various macros for clock and interrupt
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181 control plus the eCos vector numbering scheme; we
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182 map thus:
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183 what SPARC trap type eCos vector numbers
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184 -----------------------------------------------
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185 (not used) --- 0
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186 interrupts (17-31) 1-15
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187 user traps (128-255) 16
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188 exceptions (1-9,36==4) 17-25
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189 others (10,?) 26
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190 -----------------------------------------------
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191 Trap types 5 and 6 which would be eCos vectors 21
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192 and 22 are handled in the trampoline code in
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193 file src/vectors.S
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194 hal_arch.h definition of a thread context, plus
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195 macros for thread switching and the like. Some
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196 ancillary bit twiddling macros and cache barriers
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197 too.
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198
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199 arch/current/include/pkgconf:
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200 hal_sparclite.h pkgconf config/header file.
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201
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202 arch/current/src:
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203 vectors.S boot-up stuff, trampoline code that hangs
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204 on the interrupt/trap vector, handlers for window
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205 under/overflow. Saves some state in registers
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206 then jumps to the interrupt or exception VSR
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207 respectively.
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208 Also instantiates the VSR table.
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209 vec_ivsr.S the default interrupt VSR; it establishes
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210 a C calling environment (ie. anticipates a window
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211 overflow) then locks the scheduler, calls the ISR
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212 with appropriate arguments, and then interrupt_end()
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213 before undoing that environment, anticipating
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214 window underflow and returning to the interrupted
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215 instruction.
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216 vec_xvsr.S the default exception AKA trap VSR; does
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217 the same as the interrupt one but without the
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218 scheduler lock or interrupt end.
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219 hal_intr.c instantiates the ISR table used by the
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220 code above.
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221 context.S context switch code, saves and loads up a
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222 whole register state, coroutine or longjump-like.
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223 icontext.c initializes a context to "jump" to in
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224 context.S at the birth of a new thread.
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225
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226 sim/current/include:
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227 hal_diag.h macros to deal with debugging output via a
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228 fake serial device of some kind; initially empty,
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229 but definitely board/sim dependent.
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230
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231 sim/current/include/pkgconf:
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232 hal_sparclite_sim.h pkgconf config/header file.
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233
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234 sim/current/src:
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235 sim.ld linker script bits for "sim" target.
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236
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237 //===========================================================================
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238 //####ECOSGPLCOPYRIGHTBEGIN####
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239 // -------------------------------------------
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240 // This file is part of eCos, the Embedded Configurable Operating System.
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241 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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242 //
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243 // eCos is free software; you can redistribute it and/or modify it under
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244 // the terms of the GNU General Public License as published by the Free
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245 // Software Foundation; either version 2 or (at your option) any later version.
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246 //
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247 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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248 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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249 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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250 // for more details.
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251 //
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252 // You should have received a copy of the GNU General Public License along
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253 // with eCos; if not, write to the Free Software Foundation, Inc.,
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254 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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255 //
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256 // As a special exception, if other files instantiate templates or use macros
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257 // or inline functions from this file, or you compile this file and link it
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258 // with other works to produce a work based on this file, this file does not
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259 // by itself cause the resulting work to be covered by the GNU General Public
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260 // License. However the source code for this file must still be made available
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261 // in accordance with section (3) of the GNU General Public License.
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262 //
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263 // This exception does not invalidate any other reasons why a work based on
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264 // this file might be covered by the GNU General Public License.
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265 //
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266 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210
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267 // at http://sources.redhat.com/ecos/ecos-license/
208
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268 // -------------------------------------------
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269 //####ECOSGPLCOPYRIGHTEND####
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270 //===========================================================================
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271
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272 //EOF ChangeLog