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annotate packages/hal/sh/arch/current/ChangeLog @ 80:2085233a121a ecos-sw-2000-04-07

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Merge from eCos master repository on 2000-04-07-07:52:29-BST
author jlarmour
date Fri, 07 Apr 2000 07:45:04 +0000
parents 59d97b6ba612
children 6736c52df507
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1 2000-04-06 Jesper Skov <jskov@redhat.com>
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3 * src/sh.ld (_hal_vsr_table): Get address from platform CDL.
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4
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5 2000-03-31 Jesper Skov <jskov@redhat.com>
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7 * include/sh_regs.h: Added bit definitions for BSC.
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9 * include/sh_regs.h: Replaced hardcoded baud rate constants with
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10 a macro which calculates the proper values based on baud rate
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11 and CPU clock speed.
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13 * src/vectors.S: ISR mask tables enabled per CPU variant, not
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14 target.
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16 2000-03-20 Jesper Skov <jskov@redhat.com>
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18 * include/sh_regs.h: Add definitions for RTC module.
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20 2000-03-20 Jesper Skov <jskov@redhat.com>
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22 * src/hal_mk_defs.c: Added CYGNUM_HAL_VSR_EXCEPTION_COUNT
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78
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24 2000-03-16 Jesper Skov <jskov@redhat.com>
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25
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26 * include/mod_7708.h:
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27 * include/sh_regs.h:
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28 Adding new module definitions, conditionally included depending on
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29 chosen CPU implementation. Each CPU defines its own set of
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30 included modules (and module versions).
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32 * include/hal_cache.h: Get cache specs from CPU module file.
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34 * cdl/hal_sh.cdl: Added CPU implementation controls.
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36 2000-03-03 Jonathan Larmour <jlarmour@redhat.co.uk>
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38 * include/sh_stub.h: Make C++ safe
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39
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40 2000-02-28 Jesper Skov <jskov@redhat.com>
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41
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42 * src/vectors.S:
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43 * src/hal_mk_defs.c:
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44 * src/context.S:
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45 * include/hal_arch.h:
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46 * cdl/hal_sh.cdl:
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47 Added hal_mk_defs allowing assembly to use C symbols.
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48 Cleaned up setjmp/longjmp structure.
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50 * include/arch.inc: Added interrupt macros.
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51 * src/vectors.S: Leave interrupt enable to interrupt_end, ensuring
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52 proper use of interrupt_stack. Use range-checking instead of
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53 counter for switches to interrupt_stack.
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54 * src/context.S: Save and restore interrupt state on thread
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55 switches.
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56 * include/hal_arch.h: Set thread initial SR state to allow
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57 interrupts.
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59 2000-02-18 Jesper Skov <jskov@redhat.com>
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61 * src/context.S: Fix comment character.
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63 2000-02-16 Jesper Skov <jskov@redhat.com>
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65 * cdl/hal_sh.cdl:
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66 * include/basetype.h:
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67 Added LE support.
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69 2000-02-15 Jesper Skov <jskov@redhat.com>
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71 * src/vectors.S: Leave vector initialization to platform. Get rid
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72 of stubs startup type.
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73
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74 * src/sh.ld: Define hal_vsr_table address.
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76 * include/hal_intr.h: provide CYGNUM_HAL_VSR_EXCEPTION_COUNT.
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78 2000-01-24 Jesper Skov <jskov@cygnus.co.uk>
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80 * src/vectors.S (__interrupt_stack): Remove stubs config check for
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81 CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK.
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83 1999-12-21 Jonathan Larmour <jlarmour@cygnus.co.uk>
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85 * include/hal_cache.h: Rename CYG_HAL_SH_SH7708 ->
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86 CYGPKG_HAL_SH_EDK7708
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87
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88 * include/sh_regs.h: Likewise
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90 * src/vectors.S: Likewise
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91 Rename CYG_HAL_USE_ROM_MONITOR_GDB_STUBS ->
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92 CYGSEM_HAL_USE_ROM_MONITOR_GDB_stubs
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93
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94 1999-12-02 John Dallaway <jld@cygnus.co.uk>
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95
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96 * cdl/hal_sh.cdl:
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97
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98 Use the <PACKAGE> token in custom rules.
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99
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100 1999-12-01 John Dallaway <jld@cygnus.co.uk>
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101
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102 * cdl/hal_sh.cdl:
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103
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104 Use the <PREFIX> token in custom rules.
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105
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106 1999-11-04 John Dallaway <jld@cygnus.co.uk>
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107
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108 * cdl/hal_sh.cdl:
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109
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110 Output custom rule dependency information to .deps files in
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111 the current directory.
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112
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113 Dispense with the need to create a 'src' sub-directory.
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114
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115 1999-10-29 Jesper Skov <jskov@cygnus.co.uk>
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116
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117 * cdl/hal_sh.cdl: Added.
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118
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119 1999-09-01 Jesper Skov <jskov@cygnus.co.uk>
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121 * include/sh_regs.h: Added watchdog registers.
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122
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123 1999-07-30 Jesper Skov <jskov@cygnus.co.uk>
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124
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125 * src/sh_stub.c (__single_step): Added handling of bt/s and bf/s.
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127 1999-07-12 Jesper Skov <jskov@lassi.cygnus.co.uk>
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128
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129 * src/sh_stub.c: Use UCOND_RBR_MASK instead of BRAF_MASK.
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130
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131 1999-07-05 Jesper Skov <jskov@cygnus.co.uk>
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132
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133 * src/sh_stub.c (__single_step): And of bsrf.
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134
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135 1999-07-02 Jesper Skov <jskov@cygnus.co.uk>
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136
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137 * src/sh_stub.c (__single_step): Added handling of braf
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138 instruction.
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139
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140 1999-06-25 Jesper Skov <jskov@cygnus.co.uk>
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141
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142 * src/vectors.S (__startup_stack): Increased size to allow the
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143 twothreads example to run.
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144
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145 1999-06-24 Jesper Skov <jskov@cygnus.co.uk>
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146
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147 * src/vectors.S: CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS overrides use
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148 of stubs in ROM.
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149
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150 * src/sh_stub.c (__computeSignal): Renamed _IO_ vectors to _DATA_.
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151
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152 1999-06-21 Jesper Skov <jskov@cygnus.co.uk>
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153 PR 20200
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154 * include/hal_intr.h: Renamed _IO_ error vectors to _DATA_.
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155
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156 * src/vectors.S: Increased size of startup stack.
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157
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158 1999-06-08 Jesper Skov <jskov@cygnus.co.uk>
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159
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160 * include/pkgconf/hal_sh.h: Added CDL for
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161 CYGHWR_HAL_SH_HANDLE_SPURIOUS_INTERRUPTS.
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162
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163 * src/vectors.S:
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164 * include/hal_intr.h:
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165 Decode exceptions before the VSR level.
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166
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167 1999-06-02 Jesper Skov <jskov@cygnus.co.uk>
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168
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169 * src/vectors.S: Cleaned up the interrupt entry/exit code.
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170 Made it have consistent register-bank usage.
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171
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172 1999-06-01 Jesper Skov <jskov@cygnus.co.uk>
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173
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174 * src/context.S (hal_thread_switch_context): Save PC when thread
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175 debugging enabled.
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176
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177 * src/vectors.S:
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178 * include/hal_arch.h:
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179 * include/sh.inc:
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180 Added handling of VBR and GBR.
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181
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182 * include/hal_intr.h:
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183 * src/vectors.S:
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184 Added proper handling of nested interrupts.
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185
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186 * src/vectors.S (__interrupt): Added handling of spurious event=0
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187 interrupts.
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188
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189 1999-05-31 Jesper Skov <jskov@cygnus.co.uk>
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190
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191 * src/vectors.S: Fixed comment.
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192
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193 * include/sh_sci.inl (cyg_hal_gdb_isr): Alter CR using the proper
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194 mask.
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195
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196 * include/hal_cache.h (HAL_UCACHE_WRITE_MODE): Fixed typo.
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197
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198 * src/hal_misc.c (cyg_hal_enable_caches): Enable write-back mode.
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199
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200 * src/sh_stub.c (__computeSignal):
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201 Added proper cause->signal decoding.
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202
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203 * src/sh_stub.c:
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204 * src/hal_misc.c:
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205 * include/hal_intr.h:
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206 * include/hal_arch.h:
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207 Cleaned up some FIX MEs.
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208
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209 * include/sh_regs.h: Added CYGARC_REG_SCSSR_CLEARMASK.
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210
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211 1999-05-28 Jesper Skov <jskov@cygnus.co.uk>
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212
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213 * include/hal_arch.h:
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214 * src/vectors.S:
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215 Fixed stack size macros.
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216
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217 1999-05-27 Jesper Skov <jskov@cygnus.co.uk>
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218
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219 * include/hal_cache.h: Include io and register header files.
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220
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221 * include/hal_intr.h:
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222 * src/vectors.S (_hal_interrupt_stack_call_pending_DSRs):
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223 Added DSR-calls-on-interrupt-stack support.
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224
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225 1999-05-27 Jesper Skov <jskov@cygnus.co.uk>
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226
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227 * include/hal_cache.h: Force cache macros to use registers, or
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228 they fail when compiled without optimization.
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229
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230 1999-05-26 Jesper Skov <jskov@cygnus.co.uk>
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231
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232 * include/hal_intr.h:
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233 Fix asm constraints.
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234
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235 * src/vectors.S: Fixed cyg_instrument call.
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236 Added forgotten delay-slot nop after bra.
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237
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238 1999-05-26 Jesper Skov <jskov@cygnus.co.uk>
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239
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240 * include/sh_regs.h: Added some more baud rate values.
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241
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242 1999-05-25 Jesper Skov <jskov@cygnus.co.uk>
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243
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244 * src/vectors.S: Get ISR count from hal_intr.h.
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245 Define regions of interrupt/exception handlers that are debugging
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246 safe.
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247
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248 * include/hal_intr.h: Split in two parts - top is assembly safe.
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249
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250 1999-05-24 Jesper Skov <jskov@cygnus.co.uk>
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251
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252 * src/hal_misc.c (cyg_hal_enable_caches): Disable writeback for
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253 now.
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254
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255 * include/hal_cache.h:
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256 Fixed typos and compiler warnings.
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257
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258 * src/hal_misc.c:
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259 Renamed BCACHE to U(nified)CACHE.
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260
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261 1999-05-24 Jesper Skov <jskov@cygnus.co.uk>
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262
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263 * include/sh_regs.h: Added cache register definitions.
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264
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265 * include/hal_cache.h: Defined cache macros.
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266
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267 * src/hal_misc.c (cyg_hal_enable_caches): Use BCACHE macros.
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268
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269 * src/vectors.S (_start): Call cache init function.
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270
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271 * include/hal_intr.h: Ignore reserved vectors when accessed by ISR
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272 macros.
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273 (HAL_CLOCK_INITIALIZE): Removed hack that made clock run at 1/4 speed.
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274
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275 * include/hal_arch.h:
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276 * src/context.S:
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277 Implemented setjmp/longjmp functions.
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278
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279 1999-05-21 Jesper Skov <jskov@cygnus.co.uk>
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280
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281 * src/sh.ld: Fix _stext/_etext naming.
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282
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283 * include/hal_intr.h: Added missing interrupt sources.
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284
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285 * include/sh_sci.inl: Added GDB_BREAK support.
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286
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287 * src/vectors.S (__default_interrupt_vsr): Added GDB_BREAK
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288 support.
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289 Fixed register overwrite.
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290 Set SR on exception/interrupt entry to allow breakpoints in
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291 handlers.
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292
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293 1999-05-21 Jesper Skov <jskov@cygnus.co.uk>
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294
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295 * src/vectors.S: Added support for handling of exceptions by stub
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296 in ROM.
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297
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298 * include/sh_sci.inl (init_serial): Added comment.
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299
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300 * src/vectors.S (_cyg_interrupt_stack_base, _cyg_interrupt_stack):
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301 Fixed naming.
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302
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303 * src/context.S: Removed MINIMUM_CONTEXT handling as it was
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304 flawed. A better version doesn't save many cycles.
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305
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306 1999-05-21 Hugo Tyson <hmt@cygnus.co.uk>
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307
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308 * include/hal_intr.h: Define HAL_INTERRUPT_STACK_BASE and
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309 HAL_INTERRUPT_STACK_TOP so that stack usage macros in
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310 kernel/.../stackmon.hxx can work.
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311
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312 * src/vectors.S (cyg_interrupt_stack_base): Define this symbol for
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313 the interrupt stack and its friend for the stack top so that we
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314 can publish them with nice names.
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315
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316 1999-05-21 Jesper Skov <jskov@cygnus.co.uk>
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317
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318 * src/vectors.S (__default_exception_vsr): Decode cause of
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319 exception.
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320
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321 * src/sh_stub.c (__clear_single_step): Let fixup code handle PC
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322 decrementing.
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323
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324 * include/sh_stub.h: Fix PC after a trap instruction was hit.
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325
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326 1999-05-21 Jesper Skov <jskov@cygnus.co.uk>
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327
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328 * src/vectors.S:
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329 * include/hal_intr.h:
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330 Use IMASK to control interrupts rather than BL.
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331
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332 * src/sh_stub.c: Added single step code.
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333 Don't skip instructions when single stepping.
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334
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335 1999-05-20 Jesper Skov <jskov@cygnus.co.uk>
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336
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337 * src/vectors.S: Fixed errors due to trunk-move cleanup.
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338 Added counter to debug code. Fixed bug in debug code(!).
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339 Doubled startup stack size.
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340
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341 1999-05-20 Jesper Skov <jskov@cygnus.co.uk>
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342
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343 * Moved files to CVS trunk.
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344
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345 1999-05-19 Jesper Skov <jskov@cygnus.co.uk>
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346
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347 * src/vectors.S: Fixed comment.
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348
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349 * include/sh_sci.inl: Set speed to 38400 when not RAM startup.
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350
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351 * include/hal_arch.h: Enable interrupts before a trap.
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352
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353 1999-05-19 Jesper Skov <jskov@cygnus.co.uk>
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354
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355 * src/vectors.S (__reset): Added initial jump to get from address
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356 0 to ROM.
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357
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358 * include/sh_regs.h: Added BSC register definitions.
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359
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360 1999-05-19 Jesper Skov <jskov@cygnus.co.uk>
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361
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362 * Most things working now. Will start keeping track of changes.
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363
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364
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365 1999-04-22 Jesper Skov <jskov@lassi.cygnus.co.uk>
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366
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367 * Set up directory structure.
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368
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369 //===========================================================================
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370 //####COPYRIGHTBEGIN####
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371 //
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372 // -------------------------------------------
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373 // The contents of this file are subject to the Red Hat eCos Public License
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374 // Version 1.1 (the "License"); you may not use this file except in
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375 // compliance with the License. You may obtain a copy of the License at
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376 // http://www.redhat.com/
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377 //
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378 // Software distributed under the License is distributed on an "AS IS"
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379 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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380 // License for the specific language governing rights and limitations under
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381 // the License.
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382 //
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383 // The Original Code is eCos - Embedded Configurable Operating System,
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384 // released September 30, 1998.
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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385 //
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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386 // The Initial Developer of the Original Code is Red Hat.
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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387 // Portions created by Red Hat are
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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388 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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389 // All Rights Reserved.
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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390 // -------------------------------------------
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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391 //
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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392 //####COPYRIGHTEND####
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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393 //===========================================================================