Mercurial > ecos
annotate packages/hal/mips/arch/current/ChangeLog @ 24:306eee292492 ecos-sw-1999-07-16
Merge from eCos master repository on 1999-07-16-05:47:06-BST
| author | jlarmour |
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| date | Fri, 16 Jul 1999 21:54:32 +0000 |
| parents | 7253dcc42a09 |
| children | 4741a3c3496a |
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1 1999-07-09 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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2 |
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3 * include/mips.inc: |
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4 * include/arch.inc: |
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5 * src/vectors.S: |
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6 Rename "cache" register to "cachectrl" to prevent confusion with |
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7 the "cache" instruction. |
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8 For symmetry therefore also rename mipsreg_cache to mipsreg_cachectrl |
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9 |
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10 * include/arch.inc (hal_cache_init): |
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11 Invalidate caches at startup |
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12 |
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13 * include/hal_cache.h: |
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14 Allow cache invalidation when cache disabled |
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15 Add _HAL_ASM_SET_MIPS_ISA() to allow use of cache macros in code |
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16 compiled with a MIPS ISA below 3 |
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17 |
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18 1999-06-25 Nick Garnett <nickg@cygnus.co.uk> |
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19 |
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20 * include/arch.inc: |
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21 * include/hal_arch.h: |
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22 Added initializer for FPU FSR register. |
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23 |
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24 1999-06-22 Nick Garnett <nickg@cygnus.co.uk> |
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25 |
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26 * src/hal_misc.c (hal_default_isr): When chaining, always try the |
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27 ctrlc ISR, the passed-in vector number can be bogus. |
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28 |
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29 1999-06-18 Nick Garnett <nickg@cygnus.co.uk> |
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31 * src/hal_misc.c: |
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32 Added cyg_hal_clock_period variable. |
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33 |
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34 * include/hal_intr.h: |
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35 Modified HAL_CLOCK_LATENCY() macro to do the right thing. |
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36 Added cyg_hal_clock_period variable. |
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37 |
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38 * include/hal_cache.h: Modified implementations of cache macros to |
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39 only do anything if the appropriate cache is enabled. |
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40 |
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41 1999-06-17 Nick Garnett <nickg@cygnus.co.uk> |
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42 |
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43 * src/vectors.S: Added code to discriminate different entry |
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44 conditions to the reset vector. Added code to translate an NMI |
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45 into a standard exception and added a new vector in the VSR table |
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46 for it. |
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47 Made above code not be present in RAM. Tidied away some debug |
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48 code. |
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49 |
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50 1999-06-11 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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51 |
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52 * src/hal_misc.c: Make sure all symbol addresses are given an |
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53 appropriate type that they won't be relocated relative to $gp |
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54 Fix for CR 100800 |
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55 |
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56 1999-06-10 Nick Garnett <nickg@cygnus.co.uk> |
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58 * include/hal_arch.h: Added macros to copy FPU registers between |
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59 HAL and GDB register save states. |
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60 |
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61 1999-06-08 Nick Garnett <nickg@cygnus.co.uk> |
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62 |
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63 * src/vectors.S: Dummy __gccmain did not have a delay slot after |
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64 the "jr ra". |
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65 |
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66 * include/hal_arch.h: Make value of CYGNUM_HAL_STACK_SIZE_TYPICAL |
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67 always be greater than CYGNUM_HAL_STACK_SIZE_MINIMUM. |
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68 |
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69 1999-06-02 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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70 |
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71 * src/hal_misc.c (cyg_hal_invoke_constructors): |
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72 Rework for new constructor scheme for new compilers. Should work |
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73 with old compilers too. |
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74 |
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75 1999-05-28 Nick Garnett <nickg@cygnus.co.uk> |
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76 |
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77 * src/vectors.S: |
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78 Removed references to CYG_HAL_STARTUP_STUBS. |
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79 Removed some defunct code. |
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80 |
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81 * include/hal_cache.h (HAL_ICACHE_INVALIDATE_ALL): Fixed typo. |
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82 |
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83 1999-05-27 Nick Garnett <nickg@cygnus.co.uk> |
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84 |
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85 * src/vectors.S: |
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86 Move call to hal_diag_intr_start to a more useful place. |
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87 Added a save of the current state pointer to memory for ctrl-c |
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88 support. Ensure that exceptions are enabled before calling the ISR |
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89 to allow breakpoints to function. |
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90 |
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91 * src/mips-stub.c: Imported asynchronous interrupt support from |
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92 libstub/cygmon. |
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93 |
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94 * include/hal_intr.h: Added HAL_DEFAULT_ISR to contain the name of |
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95 the default ISR. |
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96 |
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97 * src/hal_misc.c: Added code to call HAL_CTRLC_ISR to default ISR |
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98 if it is enabled. Added some (disabled) debug code. |
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99 |
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100 * include/hal_cache.h: Added default implementation of |
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101 HAL_DCACHE_IS_ENABLED(). Made use of it in some cache macros. |
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102 Also fixed some typos in some macros. |
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103 |
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104 1999-05-21 Hugo Tyson <hmt@cygnus.co.uk> |
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105 |
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106 * include/hal_intr.h: Define HAL_INTERRUPT_STACK_BASE and |
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107 HAL_INTERRUPT_STACK_TOP so that stack usage macros in |
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108 kernel/.../stackmon.hxx can work. |
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109 |
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110 * src/vectors.S (cyg_interrupt_stack_base): Define this symbol for |
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111 the interrupt stack and its friend for the stack top so that we |
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112 can publish them with nice names. |
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113 |
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114 1999-05-21 Nick Garnett <nickg@cygnus.co.uk> |
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115 |
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116 * src/vectors.S: |
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117 Rationalized use of "at" and "noat" setting. |
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118 Made use of "lar" where necessary. |
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119 |
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120 * src/mips-stub.c (__install_breakpoints): Added cache flushes to |
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121 ensure that the just-set breakpoint is migrated to main memory and |
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122 will be fetched by the instruction cache. |
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123 |
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124 * src/context.S: |
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125 Rationalized use of "at" and "noat" setting. |
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126 |
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127 * include/arch.inc: |
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128 Added initial value for the config0 register and added code to set |
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129 it to hal_cpu_init. |
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130 Added default "lar" macro. |
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131 |
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132 1999-05-16 Gary Thomas <gthomas@cygnus.co.uk> |
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133 |
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134 * include/hal_intr.h (HAL_INTERRUPT_STACK_CALL_PENDING_DSRS): |
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135 Add macro for new DSR handling mechanism (was override of a |
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136 "weak" symbol in kernel). |
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137 |
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138 1999-05-13 Nick Garnett <nickg@cygnus.co.uk> |
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139 The following have been merged from a branch: |
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140 |
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141 1999-05-11 Nick Garnett <nickg@cygnus.co.uk> |
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142 |
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143 * include/hal_arch.h: |
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144 * include/hal_intr.h: |
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145 * include/hal_cache.h: |
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146 * include/arch.inc: |
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147 Changed references to "imp" and "implementation" to "var" and |
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148 "variant" respectively. These are better names for these files and |
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149 functions. |
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150 |
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151 * src/vectors.S: |
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152 Removed or disabled some development/debug code. |
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153 Same imp->var changes as above. |
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154 |
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155 1999-05-06 Nick Garnett <nickg@cygnus.co.uk> |
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156 |
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157 * src/vectors.S: Added call to hal_cpu_except_enable in |
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158 __default_exception_vsr to re-enable nested exceptions. |
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159 |
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160 * src/mips-stub.c: Use _registers[X] rather that register[X] for |
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161 accessing CPU registers, since the former may point to per-thread |
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162 register sets while the latter only refers to the current trap |
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163 register set. |
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164 |
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165 * include/arch.inc: Added hal_cpu_except_enable macro to |
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166 (re-)enable exception processing and disable interrupts. This is |
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167 necessary if we are to allow nested exceptions (like breakpoints |
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168 in exception handlers). |
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169 |
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170 1999-04-29 Nick Garnett <nickg@cygnus.co.uk> |
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171 |
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172 * src/vectors.S: Reenable interrupts while processing exceptions. |
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173 Several temporary kludges to permit us to test ROM code from RAM |
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174 under PMON. |
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175 |
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176 * include/mips.inc: Extended list of CP0 register aliases. |
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177 |
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178 |
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179 * include/arch.inc: Added generic version of hal_cache_init to |
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180 disable kseg0 caching in config0 register. |
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181 |
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182 * include/hal_cache.h: Moved dummy addresses used in index |
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183 operations to 0x80000000, zero caused MMU exceptions. |
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184 Fixed looping bugs in all macros that use them. |
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185 |
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186 1999-04-28 Gary Thomas <gthomas@cygnus.co.uk> |
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187 |
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188 [v1_2_2_beta branch] |
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189 * src/vectors.S: Add dummy "__gccmain()" |
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190 |
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191 1999-04-27 Gary Thomas <gthomas@cygnus.co.uk> |
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192 |
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193 * include/hal_arch.h: Make minimum stack sizes more realistic. |
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194 Also fix size of interrupt stack frame when FPU present. |
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195 |
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196 1999-04-23 Nick Garnett <nickg@cygnus.co.uk> |
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197 |
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198 * src/vectors.S: Added support for floating point register save |
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199 and restore. Fixed hal_interrupt_stack_call_pending_DSRs to use |
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200 hal_cpu_int_merge macro. |
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201 |
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202 * src/context.S: Added support for floating point register save |
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203 and restore. Started some preparations for 64 bit processor |
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204 support. |
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205 |
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206 * include/mips.inc: Added floating point register aliases. Moved |
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207 saved state to arch.inc. |
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208 |
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209 * include/hal_arch.h: Completed support for floating point state |
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210 save and restore. Parameterized GDB support macros a little to |
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211 enable GDB to work properly. |
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212 |
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213 * include/arch.inc: Added support for floating point state save |
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214 and restore. Moved assembler version of saved state layout here |
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215 from mips.inc. |
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216 |
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217 1999-04-22 Nick Garnett <nickg@cygnus.co.uk> |
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218 |
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219 * src/context.S (hal_thread_load_context): Substituted explicit |
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220 code to reload the interrupt enable state with a macro. |
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221 |
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222 * include/hal_cache.h: Removed default implementations of |
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223 HAL_[D/I]CACHE_[EN/DIS]ABLE since these were actually TX39 |
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224 specific. There is aparrently no standard way of implementing |
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225 these function in the MIPS architecture. |
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226 |
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227 * include/mips.inc: Added a comment to point out a TX39-only |
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228 register. |
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229 |
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230 * src/vectors.S: Modified hal_interrupt_stack_call_pending_DSRs() |
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231 to also call DSRs with interrupts enabled. Returns interrupt state |
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232 to original value when finished. |
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233 Use hal_cpu_int_ensable macro in place of explicit code in |
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234 hal_interrupt_stack_call_pending_DSRs(). |
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235 |
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236 1999-04-21 Nick Garnett <nickg@cygnus.co.uk> |
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237 |
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238 * include/arch.inc: Ifdeffed definition of hal_intc_init macro to |
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239 allow it to be defined elsewhere. Added default versions of diag |
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240 macros. |
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241 |
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242 * src/vectors.S: Added some low-level diagnostic macros to show |
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243 HAL events if there is adequate hardware (such as leds). |
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244 Removed interrupt enable/disables in interrupt processing since we |
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245 can now go through a thread switch with interrupts disabled. |
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246 Ifdeffed ISR tables so they can be defined elsewhere. |
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247 Added implementation of hal_interrupt_stack_call_pending_DSRs. |
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248 Added calls to implementation and platform init routines. |
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249 |
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250 * src/hal_misc.c: Many changes to hal_idle_thread_action() to |
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251 print or instrument various CPU registers. Left with code to |
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252 wiggle an led in the idle loop. |
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253 Stripped out TX39 specific code and moved it to plf_misc.c. |
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254 |
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255 * src/context.S: Added code to save and restore the interrupt mask |
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256 state in thread contexts. |
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257 |
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258 * include/hal_intr.h: |
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259 Renamed default interrupts to match the hardware more closely. |
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260 Added ifdef around HAL_TRANSLATE_VECTOR() so it can be made |
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261 platform/variant specific. Added implementation of |
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262 HAL_INTERRUPT_ACKNOWLEDGE(). |
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263 |
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264 * include/hal_arch.h (HAL_THREAD_INIT_CONTEXT): Aligned the |
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265 intitial stack pointer to 16 byte boundary, added an initial value |
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266 for the status register. |
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267 |
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268 * include/arch.inc: Added some nops to eret macros. |
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269 |
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270 1999-04-13 John Dallaway <jld@cygnus.co.uk> |
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271 |
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272 * src/mips.ld: Migrate global MIPS linker script to individual |
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273 MIPS variant directories |
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274 |
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275 1999-04-30 Hugo Tyson <hmt@cygnus.co.uk> |
| 2 | 276 |
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277 Merge the following changes from the 1.2.1 release branch, |
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278 but without any CDL for CYGDBG_HAL_MIPS_INSTALL_CTRL_C_ISR, |
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279 it is always on. |
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280 |
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281 1999-04-30 Jesper Skov <jskov@cygnus.co.uk> |
| 2 | 282 * src/hal_misc.c: Added vector decoding to the below. |
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283 1999-04-30 Hugo Tyson <hmt@masala.cygnus.co.uk> |
| 2 | 284 * src/hal_misc.c (hal_init_ctrlc_intr): Chain onto the old value |
| 285 of the ISR when attaching the ctrl-c ISR; this allows chained | |
| 286 interrupts to work (otherwise a stack-wrecking interrupt loop | |
| 287 occurs). | |
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288 1999-04-29 Hugo Tyson <hmt@cygnus.co.uk> |
| 2 | 289 * include/pkgconf/hal_tx39.h (CYGDBG_HAL_MIPS_INSTALL_CTRL_C_ISR): |
| 290 New config option, on by default. | |
| 291 * src/hal_misc.c (hal_ctrlc_isr): Enable these features on | |
| 292 CYGDBG_HAL_MIPS_INSTALL_CTRL_C_ISR new config option. | |
| 293 | |
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294 1999-04-28 Bart Veer <bartv@cygnus.co.uk> |
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295 |
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296 * src/PKGconf.mak: |
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297 Remove the -n argument to tail, it does not appear to be required |
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298 on any supported host and causes problems with some |
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299 implementations of tail. |
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300 |
| 2 | 301 1999-04-20 Jonathan Larmour <jlarmour@cygnus.co.uk> |
| 302 | |
| 303 * include/hal_intr.h: Don't sync TRR if platform sim - it doesn't need | |
| 304 it | |
| 305 | |
| 306 * include/pkgconf/hal_tx39.h: | |
| 307 Allow CYGARC_TX39_PR19846 to override | |
| 308 CYGHWR_HAL_MIPS_TX3904_TRR_REQUIRES_SYNC so that we can do something | |
| 309 sensible in the simulators | |
| 310 | |
| 311 Related to PR 19846 | |
| 312 | |
| 313 1999-04-15 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 314 | |
| 315 * src/tx39.ld: Define __bss_end at the end of the BSS | |
| 316 * src/hal_misc.c (hal_zero_bss): Stop at __bss_end rather than _end | |
| 317 when clearing BSS | |
| 318 These fix PR 19750 | |
| 319 | |
| 320 1999-04-15 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 321 | |
| 322 * src/hal_misc.c: | |
| 323 * src/vectors.S: | |
| 324 Separate parts of cyg_hal_invoke_constructors() out into new functions | |
| 325 cyg_hal_enable_caches() and cyg_hal_debug_init() so that | |
| 326 cyg_hal_invoke_constructors() can be called again safely if | |
| 327 necessary | |
| 328 Related fix to that of PR19642 | |
| 329 | |
| 330 1999-04-14 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 331 | |
| 332 * src/PKGconf.mak (EXTRAS): Don't generate extras.o here any more | |
| 333 But do define EXTRAS every time for the linker script | |
| 334 | |
| 335 1999-04-13 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 336 | |
| 337 * include/hal_intr.h (HAL_CLOCK_READ): | |
| 338 Add workaround for tx39 bug - needs to sync and wait for the | |
| 339 write buffer to clear before reading the clock. | |
| 340 Submitted by akira.yokosawa@toshiba.co.jp | |
| 341 | |
| 342 * include/pkgconf/hal_tx39.h | |
| 343 (CYGHWR_HAL_MIPS_TX3904_TRR_REQUIRES_SYNC): Define this by default | |
| 344 to implement above | |
| 345 | |
| 346 1999-04-12 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 347 | |
| 348 * include/hal_intr.h (HAL_VSR_SET_TO_ECOS_HANDLER): Added. | |
| 349 (HAL_VSR_SET): Cast types to CYG_ADDRESS to prevent warnings | |
| 350 | |
| 351 Part of fix for PRs 19731/19607 | |
| 352 | |
| 353 1999-04-09 Jesper Skov <jskov@cygnus.co.uk> | |
| 354 | |
| 355 * src/mips-stub.c: | |
| 356 Moved get_register and put_register to hal_stub.c. | |
| 357 | |
| 358 1999-04-08 John Dallaway <jld@cygnus.co.uk> | |
| 359 | |
| 360 * src/*.ld: Use double underscore substitution for period | |
| 361 character in SECTION_* macro names (PR 19787) | |
| 362 | |
| 363 1999-04-08 John Dallaway <jld@cygnus.co.uk> | |
| 364 | |
| 365 * src/*.ld: Revised SECTION_* macro arguments to | |
| 366 avoid padded output sections (PR 19787) | |
| 367 | |
| 368 1999-03-31 Nick Garnett <nickg@cygnus.co.uk> | |
| 369 | |
| 370 * include/hal_cache.h: Added include of hal.h and a test that a | |
| 371 valid set of macros have been added. | |
| 372 Also moved address used in HAL_DCACHE_INVALIDATE_ALL() to | |
| 373 0x9fc00000, which is the cached ROM space. | |
| 374 | |
| 375 1999-03-24 Nick Garnett <nickg@cygnus.co.uk> | |
| 376 | |
| 377 * src/vectors.S: | |
| 378 Added options to allow different settings for DRAM initialization. | |
| 379 Fixed some ifdef bugs. | |
| 380 | |
| 381 * src/hal_misc.c (cyg_hal_invoke_constructors): | |
| 382 Added ifdefs to control enabling and disabling of timeout | |
| 383 exceptions. | |
| 384 | |
| 385 * include/pkgconf/hal_tx39.h: | |
| 386 Added translations from the user friendly CPU speed settings into | |
| 387 the real CPU frequencies in Hz. | |
| 388 | |
| 389 * include/hal_intr.h: | |
| 390 Added HAL_TX39_DEBUG_TOE_ENABLE() and ...DISABLE, to switch | |
| 391 timeout exceptions on and off. | |
| 392 | |
| 393 1999-03-23 Nick Garnett <nickg@cygnus.co.uk> | |
| 394 | |
| 395 * include/hal_arch.h: | |
| 396 Modified stack size definitions to be more accurate. | |
| 397 | |
| 398 1999-03-22 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 399 | |
| 400 * include/mips-regs.h: Update copyright | |
| 401 | |
| 402 * include/mips-stub.h: Update copyright | |
| 403 | |
| 404 * src/mips-stub.c: Update copyright | |
| 405 | |
| 406 1999-03-22 Hugo Tyson <hmt@cygnus.co.uk> | |
| 407 | |
| 408 * include/hal_arch.h: | |
| 409 Use CYGNUM_HAL_STACK_SIZE_TYPICAL for the stack size instead of | |
| 410 CYGNUM_HAL_MINIMUM_STACK_SIZE. | |
| 411 | |
| 412 1999-03-17 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 413 | |
| 414 * src/hal_misc.c (cyg_hal_user_break): Remove #warning - it doesn't | |
| 415 really provide any useful info, and may unnecessarily worry a user | |
| 416 since it fires in normal situations | |
| 417 | |
| 418 1999-03-17 John Dallaway <jld@cygnus.co.uk> | |
| 419 | |
| 420 * src/PKGconf.mak: Remove dependence on echo '-e' switch. | |
| 421 | |
| 422 1999-03-16 Nick Garnett <nickg@cygnus.co.uk> | |
| 423 | |
| 424 * src/vectors.S: Removed definition of idle thread stack. | |
| 425 | |
| 426 1999-03-15 Nick Garnett <nickg@cygnus.co.uk> | |
| 427 | |
| 428 * include/hal_cache.h: | |
| 429 Changed implementation of HAL_DCACHE_INVALIDATE_ALL() to read from | |
| 430 ROM space rather than RAM. This fixes PR 19510. | |
| 431 | |
| 432 1999-03-12 Nick Garnett <nickg@cygnus.co.uk> | |
| 433 | |
| 434 * src/vectors.S: Modified ROMC and SCS settings in line with | |
| 435 Toshiba's suggestions for compatibility with other CPU variants. | |
| 436 | |
| 437 1999-03-12 Gary Thomas <gthomas@cygnus.co.uk> | |
| 438 | |
| 439 * include/hal_arch.h: Add definition for 'CYGNUM_HAL_MINIMUM_STACK_SIZE' | |
| 440 | |
| 441 1999-03-11 Nick Garnett <nickg@cygnus.co.uk> | |
| 442 | |
| 443 * src/hal_misc.c: | |
| 444 Disabled use of stand-alone ^C detection interrupt. This is now | |
| 445 done in the serial driver. Added cyg_hal_is_break() and | |
| 446 cyg_hal_user_break() to detect and provoke ^C processing. These | |
| 447 are used by the serial driver and will one day interact with the | |
| 448 BSP/Cygmon/GDB stubs to do the right thing. | |
| 449 | |
| 450 1999-03-10 Jesper Skov <jskov@cygnus.co.uk> | |
| 451 | |
| 452 * include/hal_intr.h (HAL_INTERRUPT_IN_USE): Added. | |
| 453 | |
| 454 1999-03-10 Nick Garnett <nickg@cygnus.co.uk> | |
| 455 | |
| 456 * include/pkgconf/hal_tx39.h: | |
| 457 * src/vectors.S: | |
| 458 Changed names used to control CPU frequency into something more | |
| 459 generic. Moved definition into hal_tx39.h from hal_tx39_jmr3904.h. | |
| 460 | |
| 461 1999-03-09 Jesper Skov <jskov@cygnus.co.uk> | |
| 462 PR 19370 | |
| 463 * src/hal_misc.c (cyg_hal_invoke_constructors): Changed | |
| 464 constructor loop. | |
| 465 | |
| 466 1999-03-05 Gary Thomas <gthomas@cygnus.co.uk> | |
| 467 | |
| 468 * src/tx39.ld: | |
| 469 * src/PKGconf.mak: Clean up I/O package changes. | |
| 470 | |
| 471 1999-03-04 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 472 | |
| 473 * src/tx39.ld: | |
| 474 Add INPUT(libextras.a), include libextras.a in GROUP() and include | |
| 475 new __DEVTAB__ section for new device drivers | |
| 476 | |
| 477 1999-02-25 Nick Garnett <nickg@cygnus.co.uk> | |
| 478 | |
| 479 * src/vectors.S: | |
| 480 Changed label used to access scheduler lock to one that is not | |
| 481 mangled by C++. This is intended to make support for interrupt | |
| 482 handling in non-kernel configurations easier. | |
| 483 Added some code to initialize DRAM in ROM-only configurations. | |
| 484 | |
| 485 1999-02-23 Nick Garnett <nickg@cygnus.co.uk> | |
| 486 | |
| 487 * src/hal_misc.c: | |
| 488 Added support for SIGINT-causing magic breakpoint. This involves | |
| 489 passing a third, hidden argument to hal_ctrlc_isr() which is a | |
| 490 pointer to the saved CPU state. | |
| 491 | |
| 492 * src/vectors.S: | |
| 493 Added support for 66MHz part (untested). | |
| 494 Added support for SIGINT-causing magic breakpoint to allow | |
| 495 continuation after ^C. This also relies on CYGMON changes. | |
| 496 | |
| 497 1999-02-20 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 498 | |
| 499 * include/hal_arch.h: | |
| 500 Rename deliver_exception() -> cyg_hal_deliver_exception() | |
| 501 QA improvements | |
| 502 | |
| 503 * include/hal_intr.h: | |
| 504 Reorganise vector/interrupt/exception names according to purpose | |
| 505 QA improvements | |
| 506 | |
| 507 * src/hal_misc.c: | |
| 508 Rename deliver_exception() -> cyg_hal_deliver_exception() | |
| 509 Rename CYG_VECTOR_SIO_0 -> CYGNUM_HAL_INTERRUPT_SIO_0 | |
| 510 | |
| 511 1999-02-16 Jesper Skov <jskov@cygnus.co.uk> | |
| 512 | |
| 513 * src/vectors.S: Added call to initialize_stub. | |
| 514 | |
| 515 * src/mips-stub.c: | |
| 516 * include/mips-stub.h: | |
| 517 Cleaned up to only include arch specific stub code. | |
| 518 | |
| 519 * include/hal_arch.h (HAL_BREAKPOINT): Added SIM breakpoint code | |
| 520 from (now dead) jmr3904/.../hal_stub.c. | |
| 521 | |
| 522 1999-02-05 John Dallaway <jld@cygnus.co.uk> | |
| 523 | |
| 524 * src/mips.ld: Rename to tx39.ld since this is the target name | |
| 525 * src/PKGconf.mak: Process tx39.ld instead of mips.ld | |
| 526 | |
| 527 1999-02-05 John Dallaway <jld@cygnus.co.uk> | |
| 528 | |
| 529 * src/mips.ld: Add LMA_EQ_VMA macro definition. | |
| 530 | |
| 531 1999-02-03 Jesper Skov <jskov@cygnus.co.uk> | |
| 532 | |
| 533 * src/hal_misc.c: | |
| 534 * include/hal_cache.h: | |
| 535 Moved nested external declarations into top-level scope to avoid | |
| 536 compiler warnings. | |
| 537 | |
| 538 1999-02-02 Nick Garnett <nickg@cygnus.co.uk> | |
| 539 | |
| 540 * include/hal_cache.h : | |
| 541 In HAL_ICACHE_INVALIDATE_ALL() and HAL_ICACHE_INVALIDATE(), fixed | |
| 542 typos in passing arguments to asm sections. | |
| 543 Fixes PR 18951. | |
| 544 | |
| 545 1999-01-26 Hugo Tyson <hmt@masala.cygnus.co.uk> | |
| 546 | |
| 547 * src/mips.ld: | |
| 548 Add copyright notice. (Though these files will later be generated | |
| 549 by a tool and so not copyright, these default setups are.) | |
| 550 | |
| 551 1999-01-21 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 552 | |
| 553 * src/hal_misc.c (cyg_hal_invoke_constructors): | |
| 554 Add code to deal with CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG | |
| 555 Tidy up and update description header | |
| 556 Shorten needlessly long lines | |
| 557 Remove all traces of non-CYG_KERNEL_USE_INIT_PRIORITY code | |
| 558 | |
| 559 1999-01-15 Hugo Tyson <hmt@cygnus.co.uk> | |
| 560 | |
| 561 * src/mips.ld: | |
| 562 Provide alternate definition of macro SECTION_rom_vectors() for | |
| 563 RAM startup (CYG_HAL_STARTUP_RAM) so that minimal sim testing | |
| 564 works. Note: this is an instance where two definitions (of | |
| 565 identical "API") of a macro occur in the prototype <target>.ld | |
| 566 file; the MLT is required not to be confused by this. | |
| 567 | |
| 568 1999-01-15 John Dallaway <jld@cygnus.co.uk> | |
| 569 | |
| 570 * src/mips.ld: add section macro for .vsr_table | |
| 571 | |
| 572 1999-01-13 John Dallaway <jld@cygnus.co.uk> | |
| 573 | |
| 574 * src/mips.ld: add section macro for .rel.dyn | |
| 575 | |
| 576 1999-01-13 John Dallaway <jld@cygnus.co.uk> | |
| 577 | |
| 578 * src/mips.ld: new linker script for MLT | |
| 579 * src/PKGconf.mak: add mips.ld rules for MLT | |
| 580 | |
| 581 1999-01-13 Gary Thomas <gthomas@cygnus.co.uk> | |
| 582 | |
| 583 * include/basetype.h: CYG_DOUBLE_BYTEORDER now in <infra/cyg_type.h> | |
| 584 | |
| 585 1999-01-12 Gary Thomas <gthomas@cygnus.co.uk> | |
| 586 | |
| 587 * include/basetype.h (CYG_DOUBLE_BYTEORDER): Define ordering | |
| 588 for words within doubles. | |
| 589 | |
| 590 1999-01-12 Nick Garnett <nickg@cygnus.co.uk> | |
| 591 | |
| 592 * include/hal_cache.h: | |
| 593 Modified HAL_DCACHE_INVALIDATE_ALL() to correctly touch all cache | |
| 594 lines twice to ensure that the cache and memory are | |
| 595 consistent. This is the best we can do without direct support for | |
| 596 invalidation. | |
| 597 | |
| 598 * src/hal_misc.c: Altered call to patch_dbg_syscalls() to pass | |
| 599 pointer to base of vector rather than a single vector entry. | |
| 600 | |
| 601 1998-12-15 Jesper Skov <jskov@cygnus.co.uk> | |
| 602 PR 18543 | |
| 603 | |
| 604 * include/hal_cache.h (HAL_DCACHE_INVALIDATE): Fixed variable | |
| 605 name. | |
| 606 | |
| 607 1998-12-15 Jesper Skov <jskov@cygnus.co.uk> | |
| 608 | |
| 609 * include/hal_arch.h: | |
| 610 * src/context.S (hal_setjmp, hal_longjump): | |
| 611 Added CYGARC definitions for jmpbuf entries. | |
| 612 Corrected jmpbuf size. | |
| 613 | |
| 614 1998-12-10 Jesper Skov <jskov@cygnus.co.uk> | |
| 615 | |
| 616 * include/hal_cache.h (HAL_DCACHE_UNLOCK_ALL, | |
| 617 HAL_ICACHE_UNLOCK_ALL): Added. | |
| 618 | |
| 619 1998-11-26 Jesper Skov <jskov@cygnus.co.uk> | |
| 620 | |
| 621 * include/mips-regs.h: | |
| 622 * src/mips-stub.c: | |
| 623 Added use of CYGARC_HAL_COMMON_EXPORT_CPU_MACROS. | |
| 624 | |
| 625 1998-11-18 Gary Thomas <gthomas@cygnus.co.uk> | |
| 626 | |
| 627 * include/hal_intr.h: Add support for interrupt latency | |
| 628 measurements, controlled by CYGVAR_KERNEL_COUNTERS_CLOCK_LATENCY. | |
| 629 | |
| 0 | 630 1998-10-27 Jesper Skov <jskov@cygnus.co.uk> |
| 631 PR 18033 | |
| 632 | |
| 633 * include/hal_intr.h: Replaced CYGIMP_HAL_INTERRUPTS_CHAIN | |
| 634 with the correct CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN. | |
| 635 | |
| 636 1998-10-27 Jesper Skov <jskov@cygnus.co.uk> | |
| 637 PR 18021 | |
| 638 * src/hal_misc.c (hal_ctrlc_isr): Removed break; to prevent | |
| 639 compiler error. | |
| 640 | |
| 641 1998-10-25 Jesper Skov <jskov@cygnus.co.uk> | |
| 642 | |
| 643 * src/mips-stub.c (__build_t_packet): Replaced | |
| 644 CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT with | |
| 645 CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT. | |
| 646 Fixed #endif comment. | |
| 647 | |
| 648 * src/hal_misc.c (hal_ctrlc_isr): Replaced | |
| 649 CYGDBG_KERNEL_DEBUG_GDB_INCLUDE_STUBS with | |
| 650 CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS. | |
| 651 | |
| 652 * include/hal_intr.h: Replaced CYGIMP_KERNEL_INTERRUPTS_CHAIN with | |
| 653 CYGIMP_HAL_INTERRUPTS_CHAIN. | |
| 654 | |
| 655 1998-10-23 Jesper Skov <jskov@cygnus.co.uk> | |
| 656 | |
| 657 * include/hal_intr.h: Include pkgconf/hal.h. | |
| 658 | |
| 659 1998-10-16 Bart Veer <bartv@cygnus.co.uk> | |
| 660 | |
| 661 * src/vectors.S (__interrupt_stack): | |
| 662 Made the interrupt stack size configurable. | |
| 663 | |
| 664 1998-10-16 Nick Garnett <nickg@cygnus.co.uk> | |
| 665 | |
| 666 * src/hal_misc.c: | |
| 667 Enabled caches by default. | |
| 668 | |
| 669 1998-10-14 Nick Garnett <nickg@cygnus.co.uk> | |
| 670 | |
| 671 * src/context.S (hal_thread_switch_context): | |
| 672 Store copy of R31(RA) in PC slot in register state to keep GDB | |
| 673 happy. | |
| 674 * include/hal_arch.h (HAL_THREAD_INIT_CONTEXT): | |
| 675 Intialize PC slot in register state. | |
| 676 | |
| 677 * src/hal_misc.c: | |
| 678 Altered ifdefs to allow building without kernel present. | |
| 679 | |
| 680 * include/mips-stub.h: | |
| 681 Include generic-stub.h from HAL rather than from kernel. | |
| 682 | |
| 683 * src/mips-stub.c: | |
| 684 Added signal definitions to avoid including signal.h. | |
| 685 | |
| 686 * include/hal_intr.h: | |
| 687 Added implementations of HAL_INTERRUPT_ACKNOWLEDGE() and | |
| 688 HAL_INTERRUPT_SET_LEVEL(). | |
| 689 | |
| 690 1998-10-13 Jesper Skov <jskov@cygnus.co.uk> | |
| 691 | |
| 692 * src/hal_misc.c: Use GDB array rather than HAL_SavedRegisters | |
| 693 structure. Rely on generic stub to pack/unpack the array. | |
| 694 | |
| 695 * include/hal_arch.h (HAL_GET_GDB_REGISTERS, | |
| 696 HAL_SET_GDB_REGISTERS): get/set full register set. | |
| 697 | |
| 698 1998-10-13 Jesper Skov <jskov@cygnus.co.uk> | |
| 699 | |
| 700 * include/mips-stub.h: Moved first use of regnames below | |
| 701 definition. | |
| 702 | |
| 703 Sun Sep 27 12:17:42 1998 Jesper Skov <jskov@cygnus.co.uk> | |
| 704 | |
| 705 * include/hal_cache.h (HAL_DCACHE_LOCK): Terminate asm string. | |
| 706 | |
| 707 1998-09-26 Nick Garnett <nickg@cygnus.co.uk> | |
| 708 | |
| 709 * include/hal_cache.h: | |
| 710 Cleaned up some compilation errors. | |
| 711 | |
| 712 Tue Sep 15 19:13:43 1998 David Moore <dsm@keema.cygnus.co.uk> | |
| 713 | |
| 714 * src/vectors.S: Cleaned up comments. | |
| 715 | |
| 716 1998-09-15 Nick Garnett <nickg@cygnus.co.uk> | |
| 717 | |
| 718 * include/hal_arch.h (HAL_GET_GDB_REGISTERS): | |
| 719 Initialized R30 to a copy of SP to avoid GDB making bogus memory | |
| 720 references. | |
| 721 | |
| 722 * src/hal_misc.c: | |
| 723 Added support for Ctrl-C processing when running under Cygmon. | |
| 724 Fixed a compiler warning. | |
| 725 | |
| 726 1998-09-14 Bart Veer <bartv@cygnus.co.uk> | |
| 727 | |
| 728 * src/PKGconf.mak: | |
| 729 Made vectors.o dependent on the various files that can contain | |
| 730 makefile variables or rules. This is needed after changes to | |
| 731 pkgconf.tcl for PRs 17195 and 17286. | |
| 732 | |
| 733 Mon Sep 14 11:10:20 1998 Jesper Skov <jskov@lassi.cygnus.co.uk> | |
| 734 PR 17230 | |
| 735 | |
| 736 * src/vectors.S: Replaced CYGIMP_KERNEL_INTERRUPTS_CHAIN with new | |
| 737 CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN. | |
| 738 | |
| 739 1998-09-14 Nick Garnett <nickg@cygnus.co.uk> | |
| 740 PR 17230 | |
| 741 | |
| 742 * include/hal_intr.h: | |
| 743 Added HAL_TRANSLATE_VECTOR() to translate a supplied vector number | |
| 744 into one that can be used in the HAL. Added calls to it in | |
| 745 HAL_INTERRUPT_ATTACH() and HAL_INTERRUPT_DETACH(). | |
| 746 | |
| 747 1998-09-12 Bart Veer <bartv@cygnus.co.uk> | |
| 748 | |
| 749 * include/pkgconf/hal_tx39.h: | |
| 750 Added missing descriptions (PR 17184) | |
| 751 | |
| 752 * src/vectors.S: | |
| 753 <pkgconf/kernel.h> was being included without properly checking | |
| 754 that the kernel package was enabled. | |
| 755 | |
| 756 * src/hal_misc.c (exception_handler): | |
| 757 Sort out exception handling options (PR 16953) | |
| 758 | |
| 759 1998-09-11 Nick Garnett <nickg@cygnus.co.uk> | |
| 760 PR 17230 | |
| 761 | |
| 762 * src/vectors.S (__default_interrupt_vsr): | |
| 763 Modified interrupt decode code to preserve raising interrupt | |
| 764 number to pass to ISR, even when using chained interrupts. | |
| 765 | |
| 766 1998-09-03 Bart Veer <bartv@cygnus.co.uk> | |
| 767 | |
| 768 * src/mips-stub.c: | |
| 769 Fixed type in config option name. | |
| 770 | |
| 771 1998-09-02 Bart Veer <bartv@cygnus.co.uk> | |
| 772 | |
| 773 * include/pkgconf/hal_tx39.h: | |
| 774 New header file for architecture-specific configuration options | |
| 775 | |
| 776 * tests/PKGconf.mak: | |
| 777 * src/PKGconf.mak: | |
| 778 Sort out package naming conventions. | |
| 779 | |
| 780 Tue Sep 1 19:26:45 1998 Hugo Tyson <hmt@cygnus.co.uk> | |
| 781 | |
| 782 * src/hal_misc.c: | |
| 783 Use CYGDBG_INFRA_DIAG_USE_DEVICE (from infra.h) instead of | |
| 784 CYG_DIAG_USE_DEVICE (badly named, from kernel.h). | |
| 785 | |
| 786 1998-09-01 Nick Garnett <nickg@cygnus.co.uk> | |
| 787 | |
| 788 * include/hal_intr.h: | |
| 789 Added CYG_EXCEPTION_COUNT. | |
| 790 | |
| 791 1998-08-28 Bart Veer <bartv@cygnus.co.uk> | |
| 792 | |
| 793 * src/vectors.S, src/context.S, src/hal_misc.c, src/mips-stub.c: | |
| 794 Updated for new kernel configuration option symbol names | |
| 795 | |
| 796 Fri Aug 28 10:01:24 1998 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 797 | |
| 798 * src/hal_misc.c: | |
| 799 Rename __main() to cyg_hal_invoke_constructors() to prevent the | |
| 800 implied link with things called, or related to main(). Remove static | |
| 801 initialised variable as we can now guarantee it is only called | |
| 802 once. | |
| 803 | |
| 804 * src/vectors.S: | |
| 805 Instead of calling main(), call cyg_start() which lives in the infra | |
| 806 package. | |
| 807 Explicitly invoke constructors as it isn't done magically for us | |
| 808 any more, now that main() is no longer used. | |
| 809 | |
| 810 | |
| 811 1998-08-25 Nick Garnett <nickg@cygnus.co.uk> | |
| 812 | |
| 813 * src/vectors.S: | |
| 814 Now pass pointer to saved registers as third argument to | |
| 815 interrupt_end(). | |
| 816 | |
| 817 * include/hal_arch.h: | |
| 818 Added macros to support GDB. | |
| 819 | |
| 820 Tue Aug 25 02:33:59 1998 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 821 | |
| 822 * include/mips_stub.h, src/hal_misc.c: | |
| 823 Add void to prototypes and typedefs that want it to silence warnings | |
| 824 | |
| 825 1998-08-21 Nick Garnett <nickg@cygnus.co.uk> | |
| 826 | |
| 827 * include/hal_cache.h: | |
| 828 Now includes cyg_type.h rather than ktypes.h. | |
| 829 | |
| 830 1998-08-18 Nick Garnett <nickg@cygnus.co.uk> | |
| 831 | |
| 832 * src/context.S: | |
| 833 * include/hal_arch.h: | |
| 834 * include/hal_io.h: | |
| 835 * include/hal_intr.h: | |
| 836 Now uses cyg_type.h rather than ktypes.h. | |
| 837 | |
| 838 * src/hal_misc.c: | |
| 839 * src/vectors.S: | |
| 840 Now uses hal.h rather than kernel.h. | |
| 841 | |
| 842 1998-07-23 Nick Garnett <nickg@cygnus.co.uk> | |
| 843 | |
| 844 * include/hal_intr.h: Fixed some issues raised bt code review. | |
| 845 | |
| 846 * src/context.S: | |
| 847 * include/hal_arch.h: Fixed some typos raised by code review. | |
| 848 | |
| 849 * include/hal_intr.h (HAL_INTERRUPT_MASK): | |
| 850 * src/vectors.S (hal_interrupt_level): Added hal_interrupt_level | |
| 851 to allow for interaction between HAL_INTERRUPT_UNMASK() and | |
| 852 HAL_INTERRUPT_SET_LEVEL(). | |
| 853 | |
| 854 | |
| 855 //=========================================================================== | |
| 856 //####COPYRIGHTBEGIN#### | |
| 857 // | |
| 858 // ------------------------------------------- | |
| 859 // The contents of this file are subject to the Cygnus eCos Public License | |
| 860 // Version 1.0 (the "License"); you may not use this file except in | |
| 861 // compliance with the License. You may obtain a copy of the License at | |
| 862 // http://sourceware.cygnus.com/ecos | |
| 863 // | |
| 864 // Software distributed under the License is distributed on an "AS IS" | |
| 865 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the | |
| 866 // License for the specific language governing rights and limitations under | |
| 867 // the License. | |
| 868 // | |
| 869 // The Original Code is eCos - Embedded Cygnus Operating System, released | |
| 870 // September 30, 1998. | |
| 871 // | |
| 872 // The Initial Developer of the Original Code is Cygnus. Portions created | |
| 2 | 873 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
| 0 | 874 // ------------------------------------------- |
| 875 // | |
| 876 //####COPYRIGHTEND#### | |
| 877 //=========================================================================== |