Mercurial > ecos
annotate packages/hal/mips/arch/current/ChangeLog @ 44:41bd4f3a90de ecos-sw-1999-10-08
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| author | jlarmour |
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| date | Fri, 08 Oct 1999 13:16:25 +0000 |
| parents | e7ba79f6d3a8 |
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| rev | line source |
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1 1999-10-05 Nick Garnett <nickg@cygnus.co.uk> |
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2 |
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3 * include/basetype.h: Made definition of CYG_BYTEORDER dependent |
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4 on definition of CYGPKG_HAL_MIPS_[L|M]SBFIRST. |
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6 1999-09-17 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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7 |
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8 * src/vectors.S (__default_exception_vsr): |
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9 Rename exception_handler()->cyg_hal_exception_handler() |
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10 After all, we will just do a jump rather than a jal into |
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11 cyg_hal_exception_handler() |
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12 (restore_state): Make the change below (by Hugo) be conditional |
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13 on CYG_HAL_USE_ROM_MONITOR_CYGMON. |
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14 Add explanatory comment about the additions for Cygmon |
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15 |
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16 * src/hal_misc.c (hal_default_isr): Use new format HAL_DIAG_IRQ_CHECK() |
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17 and check return code is negative; if so, return |
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18 (cyg_hal_exception_handler): Rename from exception_handler() |
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19 Now return cyg_uint32, but default to returning 0 always |
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20 |
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21 1999-09-16 Hugo Tyson <hmt@cygnus.co.uk> |
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22 |
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23 This set of changes with matching ones in jmr3904 comes from Mark |
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24 Salter's work to make jmr3904 CygMon talk Ethernet. |
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25 |
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26 * src/vectors.S (restore_state): Call CygMon for exceptions or |
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27 unhandled interrupts if CYG_HAL_USE_ROM_MONITOR. This is why the |
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28 return value from the ISR is preserved. Don't fully understand |
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29 this. |
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31 * src/hal_misc.c (hal_default_isr): Call into hal_diag via |
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32 HAL_DIAG_IRQ_CHECK if it's defined and CYG_HAL_USE_ROM_MONITOR. |
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33 This lets CygMon check for network interrupts &c. |
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34 |
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35 1999-09-09 Nick Garnett <nickg@cygnus.co.uk> |
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36 |
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37 * include/arch.inc: |
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38 Moved code to initialize cache out to variant header since it is |
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39 variant specific. |
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40 |
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41 1999-09-08 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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42 |
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43 * src/hal_misc.c (exception_handler): Catch exceptions that come from |
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44 within GDB stubs and return if that's what the stubs intend |
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45 |
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46 1999-08-19 Nick Garnett <nickg@cygnus.co.uk> |
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47 |
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48 * include/hal_io.h: Added include of plf_io.h. |
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49 |
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50 1999-08-10 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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51 |
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52 * src/mipsfp.c (cyg_hal_mips_process_fpe): CYG_REPORT_FUNCNAMETYPE() |
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53 must be first in a C file |
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54 |
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55 1999-07-15 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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56 |
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57 * include/arch.inc (hal_fpu_save_caller): Save fcr31 first as |
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58 recommended by user's manual |
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59 (hal_fpu_load_caller): Similarly restore fcr31 last |
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60 |
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61 Rename CYG_HAL_MIPS_FSR_INIT to CYG_HAL_MIPS_FCSR_INIT since that's |
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62 closer to its documented name |
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63 |
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64 * include/mips-regs.h: |
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65 Add floating point register definitions, and bitfields/masks for FCR31 |
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66 in particular |
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67 |
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68 * src/mips-stub.c (__single_step): |
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69 Enable FP branch support if the hardware has an FPU. |
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70 |
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71 Change register access to FCR using HAL macro names from mips-regs.h |
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72 |
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73 When comparing branch tests with 0, cast the result of get_register() |
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74 to int so that it works on 64-bit MIPS targets even in 32-bit mode, |
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75 when GDB still insists REG_SIZE must be 8 (in which case negative |
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76 results would otherwise go positive) |
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77 |
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78 * src/mipsfp.c: New file to emulate unimplemented MIPS FP operations |
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79 * src/PKGconf.mak (COMPILE): compile it |
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80 |
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81 * src/hal_misc.c (exception_handler): If we have an FPU and get an FP |
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82 exception, call cyg_hal_mips_process_fpe() from mipsfp.c to process |
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83 it |
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84 |
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85 |
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86 1999-07-09 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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87 |
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88 * include/mips.inc: |
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89 * include/arch.inc: |
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90 * src/vectors.S: |
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91 Rename "cache" register to "cachectrl" to prevent confusion with |
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92 the "cache" instruction. |
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93 For symmetry therefore also rename mipsreg_cache to mipsreg_cachectrl |
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94 |
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95 * include/arch.inc (hal_cache_init): |
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96 Invalidate caches at startup |
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97 |
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98 * include/hal_cache.h: |
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99 Allow cache invalidation when cache disabled |
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100 Add _HAL_ASM_SET_MIPS_ISA() to allow use of cache macros in code |
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101 compiled with a MIPS ISA below 3 |
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102 |
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103 1999-06-25 Nick Garnett <nickg@cygnus.co.uk> |
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104 |
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105 * include/arch.inc: |
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106 * include/hal_arch.h: |
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107 Added initializer for FPU FSR register. |
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108 |
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109 1999-06-22 Nick Garnett <nickg@cygnus.co.uk> |
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110 |
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111 * src/hal_misc.c (hal_default_isr): When chaining, always try the |
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112 ctrlc ISR, the passed-in vector number can be bogus. |
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113 |
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114 1999-06-18 Nick Garnett <nickg@cygnus.co.uk> |
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115 |
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116 * src/hal_misc.c: |
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117 Added cyg_hal_clock_period variable. |
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118 |
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119 * include/hal_intr.h: |
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120 Modified HAL_CLOCK_LATENCY() macro to do the right thing. |
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121 Added cyg_hal_clock_period variable. |
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122 |
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123 * include/hal_cache.h: Modified implementations of cache macros to |
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124 only do anything if the appropriate cache is enabled. |
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125 |
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126 1999-06-17 Nick Garnett <nickg@cygnus.co.uk> |
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127 |
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128 * src/vectors.S: Added code to discriminate different entry |
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129 conditions to the reset vector. Added code to translate an NMI |
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130 into a standard exception and added a new vector in the VSR table |
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131 for it. |
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132 Made above code not be present in RAM. Tidied away some debug |
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133 code. |
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134 |
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135 1999-06-11 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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136 |
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137 * src/hal_misc.c: Make sure all symbol addresses are given an |
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138 appropriate type that they won't be relocated relative to $gp |
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139 Fix for CR 100800 |
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140 |
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141 1999-06-10 Nick Garnett <nickg@cygnus.co.uk> |
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142 |
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143 * include/hal_arch.h: Added macros to copy FPU registers between |
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144 HAL and GDB register save states. |
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145 |
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146 1999-06-08 Nick Garnett <nickg@cygnus.co.uk> |
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147 |
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148 * src/vectors.S: Dummy __gccmain did not have a delay slot after |
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149 the "jr ra". |
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150 |
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151 * include/hal_arch.h: Make value of CYGNUM_HAL_STACK_SIZE_TYPICAL |
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152 always be greater than CYGNUM_HAL_STACK_SIZE_MINIMUM. |
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153 |
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154 1999-06-02 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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155 |
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156 * src/hal_misc.c (cyg_hal_invoke_constructors): |
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157 Rework for new constructor scheme for new compilers. Should work |
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158 with old compilers too. |
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159 |
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160 1999-05-28 Nick Garnett <nickg@cygnus.co.uk> |
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161 |
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162 * src/vectors.S: |
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163 Removed references to CYG_HAL_STARTUP_STUBS. |
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164 Removed some defunct code. |
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165 |
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166 * include/hal_cache.h (HAL_ICACHE_INVALIDATE_ALL): Fixed typo. |
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167 |
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168 1999-05-27 Nick Garnett <nickg@cygnus.co.uk> |
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169 |
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170 * src/vectors.S: |
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171 Move call to hal_diag_intr_start to a more useful place. |
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172 Added a save of the current state pointer to memory for ctrl-c |
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173 support. Ensure that exceptions are enabled before calling the ISR |
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174 to allow breakpoints to function. |
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175 |
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176 * src/mips-stub.c: Imported asynchronous interrupt support from |
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177 libstub/cygmon. |
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178 |
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179 * include/hal_intr.h: Added HAL_DEFAULT_ISR to contain the name of |
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180 the default ISR. |
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181 |
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182 * src/hal_misc.c: Added code to call HAL_CTRLC_ISR to default ISR |
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183 if it is enabled. Added some (disabled) debug code. |
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184 |
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185 * include/hal_cache.h: Added default implementation of |
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186 HAL_DCACHE_IS_ENABLED(). Made use of it in some cache macros. |
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187 Also fixed some typos in some macros. |
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188 |
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189 1999-05-21 Hugo Tyson <hmt@cygnus.co.uk> |
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190 |
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191 * include/hal_intr.h: Define HAL_INTERRUPT_STACK_BASE and |
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192 HAL_INTERRUPT_STACK_TOP so that stack usage macros in |
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193 kernel/.../stackmon.hxx can work. |
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194 |
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195 * src/vectors.S (cyg_interrupt_stack_base): Define this symbol for |
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196 the interrupt stack and its friend for the stack top so that we |
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197 can publish them with nice names. |
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198 |
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199 1999-05-21 Nick Garnett <nickg@cygnus.co.uk> |
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200 |
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201 * src/vectors.S: |
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202 Rationalized use of "at" and "noat" setting. |
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203 Made use of "lar" where necessary. |
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204 |
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205 * src/mips-stub.c (__install_breakpoints): Added cache flushes to |
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206 ensure that the just-set breakpoint is migrated to main memory and |
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207 will be fetched by the instruction cache. |
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208 |
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209 * src/context.S: |
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210 Rationalized use of "at" and "noat" setting. |
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211 |
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212 * include/arch.inc: |
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213 Added initial value for the config0 register and added code to set |
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214 it to hal_cpu_init. |
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215 Added default "lar" macro. |
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216 |
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217 1999-05-16 Gary Thomas <gthomas@cygnus.co.uk> |
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218 |
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219 * include/hal_intr.h (HAL_INTERRUPT_STACK_CALL_PENDING_DSRS): |
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220 Add macro for new DSR handling mechanism (was override of a |
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221 "weak" symbol in kernel). |
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222 |
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223 1999-05-13 Nick Garnett <nickg@cygnus.co.uk> |
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224 The following have been merged from a branch: |
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225 |
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226 1999-05-11 Nick Garnett <nickg@cygnus.co.uk> |
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227 |
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228 * include/hal_arch.h: |
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229 * include/hal_intr.h: |
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230 * include/hal_cache.h: |
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231 * include/arch.inc: |
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232 Changed references to "imp" and "implementation" to "var" and |
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233 "variant" respectively. These are better names for these files and |
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234 functions. |
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235 |
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236 * src/vectors.S: |
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237 Removed or disabled some development/debug code. |
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238 Same imp->var changes as above. |
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239 |
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240 1999-05-06 Nick Garnett <nickg@cygnus.co.uk> |
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241 |
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242 * src/vectors.S: Added call to hal_cpu_except_enable in |
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243 __default_exception_vsr to re-enable nested exceptions. |
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244 |
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245 * src/mips-stub.c: Use _registers[X] rather that register[X] for |
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246 accessing CPU registers, since the former may point to per-thread |
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247 register sets while the latter only refers to the current trap |
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248 register set. |
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249 |
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250 * include/arch.inc: Added hal_cpu_except_enable macro to |
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251 (re-)enable exception processing and disable interrupts. This is |
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252 necessary if we are to allow nested exceptions (like breakpoints |
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253 in exception handlers). |
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254 |
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255 1999-04-29 Nick Garnett <nickg@cygnus.co.uk> |
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256 |
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257 * src/vectors.S: Reenable interrupts while processing exceptions. |
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258 Several temporary kludges to permit us to test ROM code from RAM |
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259 under PMON. |
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260 |
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261 * include/mips.inc: Extended list of CP0 register aliases. |
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262 |
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263 |
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264 * include/arch.inc: Added generic version of hal_cache_init to |
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265 disable kseg0 caching in config0 register. |
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266 |
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267 * include/hal_cache.h: Moved dummy addresses used in index |
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268 operations to 0x80000000, zero caused MMU exceptions. |
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269 Fixed looping bugs in all macros that use them. |
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270 |
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271 1999-04-28 Gary Thomas <gthomas@cygnus.co.uk> |
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272 |
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273 [v1_2_2_beta branch] |
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274 * src/vectors.S: Add dummy "__gccmain()" |
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275 |
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276 1999-04-27 Gary Thomas <gthomas@cygnus.co.uk> |
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277 |
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278 * include/hal_arch.h: Make minimum stack sizes more realistic. |
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279 Also fix size of interrupt stack frame when FPU present. |
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280 |
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281 1999-04-23 Nick Garnett <nickg@cygnus.co.uk> |
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282 |
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283 * src/vectors.S: Added support for floating point register save |
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284 and restore. Fixed hal_interrupt_stack_call_pending_DSRs to use |
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285 hal_cpu_int_merge macro. |
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286 |
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287 * src/context.S: Added support for floating point register save |
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288 and restore. Started some preparations for 64 bit processor |
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289 support. |
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290 |
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291 * include/mips.inc: Added floating point register aliases. Moved |
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292 saved state to arch.inc. |
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293 |
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294 * include/hal_arch.h: Completed support for floating point state |
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295 save and restore. Parameterized GDB support macros a little to |
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296 enable GDB to work properly. |
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297 |
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298 * include/arch.inc: Added support for floating point state save |
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299 and restore. Moved assembler version of saved state layout here |
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300 from mips.inc. |
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301 |
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302 1999-04-22 Nick Garnett <nickg@cygnus.co.uk> |
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303 |
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304 * src/context.S (hal_thread_load_context): Substituted explicit |
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305 code to reload the interrupt enable state with a macro. |
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306 |
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307 * include/hal_cache.h: Removed default implementations of |
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308 HAL_[D/I]CACHE_[EN/DIS]ABLE since these were actually TX39 |
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309 specific. There is aparrently no standard way of implementing |
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310 these function in the MIPS architecture. |
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311 |
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312 * include/mips.inc: Added a comment to point out a TX39-only |
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313 register. |
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314 |
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315 * src/vectors.S: Modified hal_interrupt_stack_call_pending_DSRs() |
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316 to also call DSRs with interrupts enabled. Returns interrupt state |
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317 to original value when finished. |
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318 Use hal_cpu_int_ensable macro in place of explicit code in |
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319 hal_interrupt_stack_call_pending_DSRs(). |
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320 |
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321 1999-04-21 Nick Garnett <nickg@cygnus.co.uk> |
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322 |
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323 * include/arch.inc: Ifdeffed definition of hal_intc_init macro to |
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324 allow it to be defined elsewhere. Added default versions of diag |
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325 macros. |
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326 |
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327 * src/vectors.S: Added some low-level diagnostic macros to show |
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328 HAL events if there is adequate hardware (such as leds). |
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329 Removed interrupt enable/disables in interrupt processing since we |
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330 can now go through a thread switch with interrupts disabled. |
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331 Ifdeffed ISR tables so they can be defined elsewhere. |
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332 Added implementation of hal_interrupt_stack_call_pending_DSRs. |
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333 Added calls to implementation and platform init routines. |
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334 |
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335 * src/hal_misc.c: Many changes to hal_idle_thread_action() to |
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336 print or instrument various CPU registers. Left with code to |
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337 wiggle an led in the idle loop. |
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338 Stripped out TX39 specific code and moved it to plf_misc.c. |
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339 |
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340 * src/context.S: Added code to save and restore the interrupt mask |
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341 state in thread contexts. |
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342 |
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343 * include/hal_intr.h: |
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344 Renamed default interrupts to match the hardware more closely. |
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345 Added ifdef around HAL_TRANSLATE_VECTOR() so it can be made |
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346 platform/variant specific. Added implementation of |
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347 HAL_INTERRUPT_ACKNOWLEDGE(). |
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348 |
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349 * include/hal_arch.h (HAL_THREAD_INIT_CONTEXT): Aligned the |
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350 intitial stack pointer to 16 byte boundary, added an initial value |
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351 for the status register. |
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352 |
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353 * include/arch.inc: Added some nops to eret macros. |
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354 |
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355 1999-04-13 John Dallaway <jld@cygnus.co.uk> |
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356 |
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357 * src/mips.ld: Migrate global MIPS linker script to individual |
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358 MIPS variant directories |
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359 |
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360 1999-04-30 Hugo Tyson <hmt@cygnus.co.uk> |
| 2 | 361 |
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362 Merge the following changes from the 1.2.1 release branch, |
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363 but without any CDL for CYGDBG_HAL_MIPS_INSTALL_CTRL_C_ISR, |
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364 it is always on. |
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365 |
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366 1999-04-30 Jesper Skov <jskov@cygnus.co.uk> |
| 2 | 367 * src/hal_misc.c: Added vector decoding to the below. |
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368 1999-04-30 Hugo Tyson <hmt@masala.cygnus.co.uk> |
| 2 | 369 * src/hal_misc.c (hal_init_ctrlc_intr): Chain onto the old value |
| 370 of the ISR when attaching the ctrl-c ISR; this allows chained | |
| 371 interrupts to work (otherwise a stack-wrecking interrupt loop | |
| 372 occurs). | |
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373 1999-04-29 Hugo Tyson <hmt@cygnus.co.uk> |
| 2 | 374 * include/pkgconf/hal_tx39.h (CYGDBG_HAL_MIPS_INSTALL_CTRL_C_ISR): |
| 375 New config option, on by default. | |
| 376 * src/hal_misc.c (hal_ctrlc_isr): Enable these features on | |
| 377 CYGDBG_HAL_MIPS_INSTALL_CTRL_C_ISR new config option. | |
| 378 | |
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379 1999-04-28 Bart Veer <bartv@cygnus.co.uk> |
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380 |
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381 * src/PKGconf.mak: |
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382 Remove the -n argument to tail, it does not appear to be required |
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383 on any supported host and causes problems with some |
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384 implementations of tail. |
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385 |
| 2 | 386 1999-04-20 Jonathan Larmour <jlarmour@cygnus.co.uk> |
| 387 | |
| 388 * include/hal_intr.h: Don't sync TRR if platform sim - it doesn't need | |
| 389 it | |
| 390 | |
| 391 * include/pkgconf/hal_tx39.h: | |
| 392 Allow CYGARC_TX39_PR19846 to override | |
| 393 CYGHWR_HAL_MIPS_TX3904_TRR_REQUIRES_SYNC so that we can do something | |
| 394 sensible in the simulators | |
| 395 | |
| 396 Related to PR 19846 | |
| 397 | |
| 398 1999-04-15 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 399 | |
| 400 * src/tx39.ld: Define __bss_end at the end of the BSS | |
| 401 * src/hal_misc.c (hal_zero_bss): Stop at __bss_end rather than _end | |
| 402 when clearing BSS | |
| 403 These fix PR 19750 | |
| 404 | |
| 405 1999-04-15 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 406 | |
| 407 * src/hal_misc.c: | |
| 408 * src/vectors.S: | |
| 409 Separate parts of cyg_hal_invoke_constructors() out into new functions | |
| 410 cyg_hal_enable_caches() and cyg_hal_debug_init() so that | |
| 411 cyg_hal_invoke_constructors() can be called again safely if | |
| 412 necessary | |
| 413 Related fix to that of PR19642 | |
| 414 | |
| 415 1999-04-14 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 416 | |
| 417 * src/PKGconf.mak (EXTRAS): Don't generate extras.o here any more | |
| 418 But do define EXTRAS every time for the linker script | |
| 419 | |
| 420 1999-04-13 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 421 | |
| 422 * include/hal_intr.h (HAL_CLOCK_READ): | |
| 423 Add workaround for tx39 bug - needs to sync and wait for the | |
| 424 write buffer to clear before reading the clock. | |
| 425 Submitted by akira.yokosawa@toshiba.co.jp | |
| 426 | |
| 427 * include/pkgconf/hal_tx39.h | |
| 428 (CYGHWR_HAL_MIPS_TX3904_TRR_REQUIRES_SYNC): Define this by default | |
| 429 to implement above | |
| 430 | |
| 431 1999-04-12 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 432 | |
| 433 * include/hal_intr.h (HAL_VSR_SET_TO_ECOS_HANDLER): Added. | |
| 434 (HAL_VSR_SET): Cast types to CYG_ADDRESS to prevent warnings | |
| 435 | |
| 436 Part of fix for PRs 19731/19607 | |
| 437 | |
| 438 1999-04-09 Jesper Skov <jskov@cygnus.co.uk> | |
| 439 | |
| 440 * src/mips-stub.c: | |
| 441 Moved get_register and put_register to hal_stub.c. | |
| 442 | |
| 443 1999-04-08 John Dallaway <jld@cygnus.co.uk> | |
| 444 | |
| 445 * src/*.ld: Use double underscore substitution for period | |
| 446 character in SECTION_* macro names (PR 19787) | |
| 447 | |
| 448 1999-04-08 John Dallaway <jld@cygnus.co.uk> | |
| 449 | |
| 450 * src/*.ld: Revised SECTION_* macro arguments to | |
| 451 avoid padded output sections (PR 19787) | |
| 452 | |
| 453 1999-03-31 Nick Garnett <nickg@cygnus.co.uk> | |
| 454 | |
| 455 * include/hal_cache.h: Added include of hal.h and a test that a | |
| 456 valid set of macros have been added. | |
| 457 Also moved address used in HAL_DCACHE_INVALIDATE_ALL() to | |
| 458 0x9fc00000, which is the cached ROM space. | |
| 459 | |
| 460 1999-03-24 Nick Garnett <nickg@cygnus.co.uk> | |
| 461 | |
| 462 * src/vectors.S: | |
| 463 Added options to allow different settings for DRAM initialization. | |
| 464 Fixed some ifdef bugs. | |
| 465 | |
| 466 * src/hal_misc.c (cyg_hal_invoke_constructors): | |
| 467 Added ifdefs to control enabling and disabling of timeout | |
| 468 exceptions. | |
| 469 | |
| 470 * include/pkgconf/hal_tx39.h: | |
| 471 Added translations from the user friendly CPU speed settings into | |
| 472 the real CPU frequencies in Hz. | |
| 473 | |
| 474 * include/hal_intr.h: | |
| 475 Added HAL_TX39_DEBUG_TOE_ENABLE() and ...DISABLE, to switch | |
| 476 timeout exceptions on and off. | |
| 477 | |
| 478 1999-03-23 Nick Garnett <nickg@cygnus.co.uk> | |
| 479 | |
| 480 * include/hal_arch.h: | |
| 481 Modified stack size definitions to be more accurate. | |
| 482 | |
| 483 1999-03-22 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 484 | |
| 485 * include/mips-regs.h: Update copyright | |
| 486 | |
| 487 * include/mips-stub.h: Update copyright | |
| 488 | |
| 489 * src/mips-stub.c: Update copyright | |
| 490 | |
| 491 1999-03-22 Hugo Tyson <hmt@cygnus.co.uk> | |
| 492 | |
| 493 * include/hal_arch.h: | |
| 494 Use CYGNUM_HAL_STACK_SIZE_TYPICAL for the stack size instead of | |
| 495 CYGNUM_HAL_MINIMUM_STACK_SIZE. | |
| 496 | |
| 497 1999-03-17 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 498 | |
| 499 * src/hal_misc.c (cyg_hal_user_break): Remove #warning - it doesn't | |
| 500 really provide any useful info, and may unnecessarily worry a user | |
| 501 since it fires in normal situations | |
| 502 | |
| 503 1999-03-17 John Dallaway <jld@cygnus.co.uk> | |
| 504 | |
| 505 * src/PKGconf.mak: Remove dependence on echo '-e' switch. | |
| 506 | |
| 507 1999-03-16 Nick Garnett <nickg@cygnus.co.uk> | |
| 508 | |
| 509 * src/vectors.S: Removed definition of idle thread stack. | |
| 510 | |
| 511 1999-03-15 Nick Garnett <nickg@cygnus.co.uk> | |
| 512 | |
| 513 * include/hal_cache.h: | |
| 514 Changed implementation of HAL_DCACHE_INVALIDATE_ALL() to read from | |
| 515 ROM space rather than RAM. This fixes PR 19510. | |
| 516 | |
| 517 1999-03-12 Nick Garnett <nickg@cygnus.co.uk> | |
| 518 | |
| 519 * src/vectors.S: Modified ROMC and SCS settings in line with | |
| 520 Toshiba's suggestions for compatibility with other CPU variants. | |
| 521 | |
| 522 1999-03-12 Gary Thomas <gthomas@cygnus.co.uk> | |
| 523 | |
| 524 * include/hal_arch.h: Add definition for 'CYGNUM_HAL_MINIMUM_STACK_SIZE' | |
| 525 | |
| 526 1999-03-11 Nick Garnett <nickg@cygnus.co.uk> | |
| 527 | |
| 528 * src/hal_misc.c: | |
| 529 Disabled use of stand-alone ^C detection interrupt. This is now | |
| 530 done in the serial driver. Added cyg_hal_is_break() and | |
| 531 cyg_hal_user_break() to detect and provoke ^C processing. These | |
| 532 are used by the serial driver and will one day interact with the | |
| 533 BSP/Cygmon/GDB stubs to do the right thing. | |
| 534 | |
| 535 1999-03-10 Jesper Skov <jskov@cygnus.co.uk> | |
| 536 | |
| 537 * include/hal_intr.h (HAL_INTERRUPT_IN_USE): Added. | |
| 538 | |
| 539 1999-03-10 Nick Garnett <nickg@cygnus.co.uk> | |
| 540 | |
| 541 * include/pkgconf/hal_tx39.h: | |
| 542 * src/vectors.S: | |
| 543 Changed names used to control CPU frequency into something more | |
| 544 generic. Moved definition into hal_tx39.h from hal_tx39_jmr3904.h. | |
| 545 | |
| 546 1999-03-09 Jesper Skov <jskov@cygnus.co.uk> | |
| 547 PR 19370 | |
| 548 * src/hal_misc.c (cyg_hal_invoke_constructors): Changed | |
| 549 constructor loop. | |
| 550 | |
| 551 1999-03-05 Gary Thomas <gthomas@cygnus.co.uk> | |
| 552 | |
| 553 * src/tx39.ld: | |
| 554 * src/PKGconf.mak: Clean up I/O package changes. | |
| 555 | |
| 556 1999-03-04 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 557 | |
| 558 * src/tx39.ld: | |
| 559 Add INPUT(libextras.a), include libextras.a in GROUP() and include | |
| 560 new __DEVTAB__ section for new device drivers | |
| 561 | |
| 562 1999-02-25 Nick Garnett <nickg@cygnus.co.uk> | |
| 563 | |
| 564 * src/vectors.S: | |
| 565 Changed label used to access scheduler lock to one that is not | |
| 566 mangled by C++. This is intended to make support for interrupt | |
| 567 handling in non-kernel configurations easier. | |
| 568 Added some code to initialize DRAM in ROM-only configurations. | |
| 569 | |
| 570 1999-02-23 Nick Garnett <nickg@cygnus.co.uk> | |
| 571 | |
| 572 * src/hal_misc.c: | |
| 573 Added support for SIGINT-causing magic breakpoint. This involves | |
| 574 passing a third, hidden argument to hal_ctrlc_isr() which is a | |
| 575 pointer to the saved CPU state. | |
| 576 | |
| 577 * src/vectors.S: | |
| 578 Added support for 66MHz part (untested). | |
| 579 Added support for SIGINT-causing magic breakpoint to allow | |
| 580 continuation after ^C. This also relies on CYGMON changes. | |
| 581 | |
| 582 1999-02-20 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 583 | |
| 584 * include/hal_arch.h: | |
| 585 Rename deliver_exception() -> cyg_hal_deliver_exception() | |
| 586 QA improvements | |
| 587 | |
| 588 * include/hal_intr.h: | |
| 589 Reorganise vector/interrupt/exception names according to purpose | |
| 590 QA improvements | |
| 591 | |
| 592 * src/hal_misc.c: | |
| 593 Rename deliver_exception() -> cyg_hal_deliver_exception() | |
| 594 Rename CYG_VECTOR_SIO_0 -> CYGNUM_HAL_INTERRUPT_SIO_0 | |
| 595 | |
| 596 1999-02-16 Jesper Skov <jskov@cygnus.co.uk> | |
| 597 | |
| 598 * src/vectors.S: Added call to initialize_stub. | |
| 599 | |
| 600 * src/mips-stub.c: | |
| 601 * include/mips-stub.h: | |
| 602 Cleaned up to only include arch specific stub code. | |
| 603 | |
| 604 * include/hal_arch.h (HAL_BREAKPOINT): Added SIM breakpoint code | |
| 605 from (now dead) jmr3904/.../hal_stub.c. | |
| 606 | |
| 607 1999-02-05 John Dallaway <jld@cygnus.co.uk> | |
| 608 | |
| 609 * src/mips.ld: Rename to tx39.ld since this is the target name | |
| 610 * src/PKGconf.mak: Process tx39.ld instead of mips.ld | |
| 611 | |
| 612 1999-02-05 John Dallaway <jld@cygnus.co.uk> | |
| 613 | |
| 614 * src/mips.ld: Add LMA_EQ_VMA macro definition. | |
| 615 | |
| 616 1999-02-03 Jesper Skov <jskov@cygnus.co.uk> | |
| 617 | |
| 618 * src/hal_misc.c: | |
| 619 * include/hal_cache.h: | |
| 620 Moved nested external declarations into top-level scope to avoid | |
| 621 compiler warnings. | |
| 622 | |
| 623 1999-02-02 Nick Garnett <nickg@cygnus.co.uk> | |
| 624 | |
| 625 * include/hal_cache.h : | |
| 626 In HAL_ICACHE_INVALIDATE_ALL() and HAL_ICACHE_INVALIDATE(), fixed | |
| 627 typos in passing arguments to asm sections. | |
| 628 Fixes PR 18951. | |
| 629 | |
| 630 1999-01-26 Hugo Tyson <hmt@masala.cygnus.co.uk> | |
| 631 | |
| 632 * src/mips.ld: | |
| 633 Add copyright notice. (Though these files will later be generated | |
| 634 by a tool and so not copyright, these default setups are.) | |
| 635 | |
| 636 1999-01-21 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 637 | |
| 638 * src/hal_misc.c (cyg_hal_invoke_constructors): | |
| 639 Add code to deal with CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG | |
| 640 Tidy up and update description header | |
| 641 Shorten needlessly long lines | |
| 642 Remove all traces of non-CYG_KERNEL_USE_INIT_PRIORITY code | |
| 643 | |
| 644 1999-01-15 Hugo Tyson <hmt@cygnus.co.uk> | |
| 645 | |
| 646 * src/mips.ld: | |
| 647 Provide alternate definition of macro SECTION_rom_vectors() for | |
| 648 RAM startup (CYG_HAL_STARTUP_RAM) so that minimal sim testing | |
| 649 works. Note: this is an instance where two definitions (of | |
| 650 identical "API") of a macro occur in the prototype <target>.ld | |
| 651 file; the MLT is required not to be confused by this. | |
| 652 | |
| 653 1999-01-15 John Dallaway <jld@cygnus.co.uk> | |
| 654 | |
| 655 * src/mips.ld: add section macro for .vsr_table | |
| 656 | |
| 657 1999-01-13 John Dallaway <jld@cygnus.co.uk> | |
| 658 | |
| 659 * src/mips.ld: add section macro for .rel.dyn | |
| 660 | |
| 661 1999-01-13 John Dallaway <jld@cygnus.co.uk> | |
| 662 | |
| 663 * src/mips.ld: new linker script for MLT | |
| 664 * src/PKGconf.mak: add mips.ld rules for MLT | |
| 665 | |
| 666 1999-01-13 Gary Thomas <gthomas@cygnus.co.uk> | |
| 667 | |
| 668 * include/basetype.h: CYG_DOUBLE_BYTEORDER now in <infra/cyg_type.h> | |
| 669 | |
| 670 1999-01-12 Gary Thomas <gthomas@cygnus.co.uk> | |
| 671 | |
| 672 * include/basetype.h (CYG_DOUBLE_BYTEORDER): Define ordering | |
| 673 for words within doubles. | |
| 674 | |
| 675 1999-01-12 Nick Garnett <nickg@cygnus.co.uk> | |
| 676 | |
| 677 * include/hal_cache.h: | |
| 678 Modified HAL_DCACHE_INVALIDATE_ALL() to correctly touch all cache | |
| 679 lines twice to ensure that the cache and memory are | |
| 680 consistent. This is the best we can do without direct support for | |
| 681 invalidation. | |
| 682 | |
| 683 * src/hal_misc.c: Altered call to patch_dbg_syscalls() to pass | |
| 684 pointer to base of vector rather than a single vector entry. | |
| 685 | |
| 686 1998-12-15 Jesper Skov <jskov@cygnus.co.uk> | |
| 687 PR 18543 | |
| 688 | |
| 689 * include/hal_cache.h (HAL_DCACHE_INVALIDATE): Fixed variable | |
| 690 name. | |
| 691 | |
| 692 1998-12-15 Jesper Skov <jskov@cygnus.co.uk> | |
| 693 | |
| 694 * include/hal_arch.h: | |
| 695 * src/context.S (hal_setjmp, hal_longjump): | |
| 696 Added CYGARC definitions for jmpbuf entries. | |
| 697 Corrected jmpbuf size. | |
| 698 | |
| 699 1998-12-10 Jesper Skov <jskov@cygnus.co.uk> | |
| 700 | |
| 701 * include/hal_cache.h (HAL_DCACHE_UNLOCK_ALL, | |
| 702 HAL_ICACHE_UNLOCK_ALL): Added. | |
| 703 | |
| 704 1998-11-26 Jesper Skov <jskov@cygnus.co.uk> | |
| 705 | |
| 706 * include/mips-regs.h: | |
| 707 * src/mips-stub.c: | |
| 708 Added use of CYGARC_HAL_COMMON_EXPORT_CPU_MACROS. | |
| 709 | |
| 710 1998-11-18 Gary Thomas <gthomas@cygnus.co.uk> | |
| 711 | |
| 712 * include/hal_intr.h: Add support for interrupt latency | |
| 713 measurements, controlled by CYGVAR_KERNEL_COUNTERS_CLOCK_LATENCY. | |
| 714 | |
| 0 | 715 1998-10-27 Jesper Skov <jskov@cygnus.co.uk> |
| 716 PR 18033 | |
| 717 | |
| 718 * include/hal_intr.h: Replaced CYGIMP_HAL_INTERRUPTS_CHAIN | |
| 719 with the correct CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN. | |
| 720 | |
| 721 1998-10-27 Jesper Skov <jskov@cygnus.co.uk> | |
| 722 PR 18021 | |
| 723 * src/hal_misc.c (hal_ctrlc_isr): Removed break; to prevent | |
| 724 compiler error. | |
| 725 | |
| 726 1998-10-25 Jesper Skov <jskov@cygnus.co.uk> | |
| 727 | |
| 728 * src/mips-stub.c (__build_t_packet): Replaced | |
| 729 CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT with | |
| 730 CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT. | |
| 731 Fixed #endif comment. | |
| 732 | |
| 733 * src/hal_misc.c (hal_ctrlc_isr): Replaced | |
| 734 CYGDBG_KERNEL_DEBUG_GDB_INCLUDE_STUBS with | |
| 735 CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS. | |
| 736 | |
| 737 * include/hal_intr.h: Replaced CYGIMP_KERNEL_INTERRUPTS_CHAIN with | |
| 738 CYGIMP_HAL_INTERRUPTS_CHAIN. | |
| 739 | |
| 740 1998-10-23 Jesper Skov <jskov@cygnus.co.uk> | |
| 741 | |
| 742 * include/hal_intr.h: Include pkgconf/hal.h. | |
| 743 | |
| 744 1998-10-16 Bart Veer <bartv@cygnus.co.uk> | |
| 745 | |
| 746 * src/vectors.S (__interrupt_stack): | |
| 747 Made the interrupt stack size configurable. | |
| 748 | |
| 749 1998-10-16 Nick Garnett <nickg@cygnus.co.uk> | |
| 750 | |
| 751 * src/hal_misc.c: | |
| 752 Enabled caches by default. | |
| 753 | |
| 754 1998-10-14 Nick Garnett <nickg@cygnus.co.uk> | |
| 755 | |
| 756 * src/context.S (hal_thread_switch_context): | |
| 757 Store copy of R31(RA) in PC slot in register state to keep GDB | |
| 758 happy. | |
| 759 * include/hal_arch.h (HAL_THREAD_INIT_CONTEXT): | |
| 760 Intialize PC slot in register state. | |
| 761 | |
| 762 * src/hal_misc.c: | |
| 763 Altered ifdefs to allow building without kernel present. | |
| 764 | |
| 765 * include/mips-stub.h: | |
| 766 Include generic-stub.h from HAL rather than from kernel. | |
| 767 | |
| 768 * src/mips-stub.c: | |
| 769 Added signal definitions to avoid including signal.h. | |
| 770 | |
| 771 * include/hal_intr.h: | |
| 772 Added implementations of HAL_INTERRUPT_ACKNOWLEDGE() and | |
| 773 HAL_INTERRUPT_SET_LEVEL(). | |
| 774 | |
| 775 1998-10-13 Jesper Skov <jskov@cygnus.co.uk> | |
| 776 | |
| 777 * src/hal_misc.c: Use GDB array rather than HAL_SavedRegisters | |
| 778 structure. Rely on generic stub to pack/unpack the array. | |
| 779 | |
| 780 * include/hal_arch.h (HAL_GET_GDB_REGISTERS, | |
| 781 HAL_SET_GDB_REGISTERS): get/set full register set. | |
| 782 | |
| 783 1998-10-13 Jesper Skov <jskov@cygnus.co.uk> | |
| 784 | |
| 785 * include/mips-stub.h: Moved first use of regnames below | |
| 786 definition. | |
| 787 | |
| 788 Sun Sep 27 12:17:42 1998 Jesper Skov <jskov@cygnus.co.uk> | |
| 789 | |
| 790 * include/hal_cache.h (HAL_DCACHE_LOCK): Terminate asm string. | |
| 791 | |
| 792 1998-09-26 Nick Garnett <nickg@cygnus.co.uk> | |
| 793 | |
| 794 * include/hal_cache.h: | |
| 795 Cleaned up some compilation errors. | |
| 796 | |
| 797 Tue Sep 15 19:13:43 1998 David Moore <dsm@keema.cygnus.co.uk> | |
| 798 | |
| 799 * src/vectors.S: Cleaned up comments. | |
| 800 | |
| 801 1998-09-15 Nick Garnett <nickg@cygnus.co.uk> | |
| 802 | |
| 803 * include/hal_arch.h (HAL_GET_GDB_REGISTERS): | |
| 804 Initialized R30 to a copy of SP to avoid GDB making bogus memory | |
| 805 references. | |
| 806 | |
| 807 * src/hal_misc.c: | |
| 808 Added support for Ctrl-C processing when running under Cygmon. | |
| 809 Fixed a compiler warning. | |
| 810 | |
| 811 1998-09-14 Bart Veer <bartv@cygnus.co.uk> | |
| 812 | |
| 813 * src/PKGconf.mak: | |
| 814 Made vectors.o dependent on the various files that can contain | |
| 815 makefile variables or rules. This is needed after changes to | |
| 816 pkgconf.tcl for PRs 17195 and 17286. | |
| 817 | |
| 818 Mon Sep 14 11:10:20 1998 Jesper Skov <jskov@lassi.cygnus.co.uk> | |
| 819 PR 17230 | |
| 820 | |
| 821 * src/vectors.S: Replaced CYGIMP_KERNEL_INTERRUPTS_CHAIN with new | |
| 822 CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN. | |
| 823 | |
| 824 1998-09-14 Nick Garnett <nickg@cygnus.co.uk> | |
| 825 PR 17230 | |
| 826 | |
| 827 * include/hal_intr.h: | |
| 828 Added HAL_TRANSLATE_VECTOR() to translate a supplied vector number | |
| 829 into one that can be used in the HAL. Added calls to it in | |
| 830 HAL_INTERRUPT_ATTACH() and HAL_INTERRUPT_DETACH(). | |
| 831 | |
| 832 1998-09-12 Bart Veer <bartv@cygnus.co.uk> | |
| 833 | |
| 834 * include/pkgconf/hal_tx39.h: | |
| 835 Added missing descriptions (PR 17184) | |
| 836 | |
| 837 * src/vectors.S: | |
| 838 <pkgconf/kernel.h> was being included without properly checking | |
| 839 that the kernel package was enabled. | |
| 840 | |
| 841 * src/hal_misc.c (exception_handler): | |
| 842 Sort out exception handling options (PR 16953) | |
| 843 | |
| 844 1998-09-11 Nick Garnett <nickg@cygnus.co.uk> | |
| 845 PR 17230 | |
| 846 | |
| 847 * src/vectors.S (__default_interrupt_vsr): | |
| 848 Modified interrupt decode code to preserve raising interrupt | |
| 849 number to pass to ISR, even when using chained interrupts. | |
| 850 | |
| 851 1998-09-03 Bart Veer <bartv@cygnus.co.uk> | |
| 852 | |
| 853 * src/mips-stub.c: | |
| 854 Fixed type in config option name. | |
| 855 | |
| 856 1998-09-02 Bart Veer <bartv@cygnus.co.uk> | |
| 857 | |
| 858 * include/pkgconf/hal_tx39.h: | |
| 859 New header file for architecture-specific configuration options | |
| 860 | |
| 861 * tests/PKGconf.mak: | |
| 862 * src/PKGconf.mak: | |
| 863 Sort out package naming conventions. | |
| 864 | |
| 865 Tue Sep 1 19:26:45 1998 Hugo Tyson <hmt@cygnus.co.uk> | |
| 866 | |
| 867 * src/hal_misc.c: | |
| 868 Use CYGDBG_INFRA_DIAG_USE_DEVICE (from infra.h) instead of | |
| 869 CYG_DIAG_USE_DEVICE (badly named, from kernel.h). | |
| 870 | |
| 871 1998-09-01 Nick Garnett <nickg@cygnus.co.uk> | |
| 872 | |
| 873 * include/hal_intr.h: | |
| 874 Added CYG_EXCEPTION_COUNT. | |
| 875 | |
| 876 1998-08-28 Bart Veer <bartv@cygnus.co.uk> | |
| 877 | |
| 878 * src/vectors.S, src/context.S, src/hal_misc.c, src/mips-stub.c: | |
| 879 Updated for new kernel configuration option symbol names | |
| 880 | |
| 881 Fri Aug 28 10:01:24 1998 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 882 | |
| 883 * src/hal_misc.c: | |
| 884 Rename __main() to cyg_hal_invoke_constructors() to prevent the | |
| 885 implied link with things called, or related to main(). Remove static | |
| 886 initialised variable as we can now guarantee it is only called | |
| 887 once. | |
| 888 | |
| 889 * src/vectors.S: | |
| 890 Instead of calling main(), call cyg_start() which lives in the infra | |
| 891 package. | |
| 892 Explicitly invoke constructors as it isn't done magically for us | |
| 893 any more, now that main() is no longer used. | |
| 894 | |
| 895 | |
| 896 1998-08-25 Nick Garnett <nickg@cygnus.co.uk> | |
| 897 | |
| 898 * src/vectors.S: | |
| 899 Now pass pointer to saved registers as third argument to | |
| 900 interrupt_end(). | |
| 901 | |
| 902 * include/hal_arch.h: | |
| 903 Added macros to support GDB. | |
| 904 | |
| 905 Tue Aug 25 02:33:59 1998 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 906 | |
| 907 * include/mips_stub.h, src/hal_misc.c: | |
| 908 Add void to prototypes and typedefs that want it to silence warnings | |
| 909 | |
| 910 1998-08-21 Nick Garnett <nickg@cygnus.co.uk> | |
| 911 | |
| 912 * include/hal_cache.h: | |
| 913 Now includes cyg_type.h rather than ktypes.h. | |
| 914 | |
| 915 1998-08-18 Nick Garnett <nickg@cygnus.co.uk> | |
| 916 | |
| 917 * src/context.S: | |
| 918 * include/hal_arch.h: | |
| 919 * include/hal_io.h: | |
| 920 * include/hal_intr.h: | |
| 921 Now uses cyg_type.h rather than ktypes.h. | |
| 922 | |
| 923 * src/hal_misc.c: | |
| 924 * src/vectors.S: | |
| 925 Now uses hal.h rather than kernel.h. | |
| 926 | |
| 927 1998-07-23 Nick Garnett <nickg@cygnus.co.uk> | |
| 928 | |
| 929 * include/hal_intr.h: Fixed some issues raised bt code review. | |
| 930 | |
| 931 * src/context.S: | |
| 932 * include/hal_arch.h: Fixed some typos raised by code review. | |
| 933 | |
| 934 * include/hal_intr.h (HAL_INTERRUPT_MASK): | |
| 935 * src/vectors.S (hal_interrupt_level): Added hal_interrupt_level | |
| 936 to allow for interaction between HAL_INTERRUPT_UNMASK() and | |
| 937 HAL_INTERRUPT_SET_LEVEL(). | |
| 938 | |
| 939 | |
| 940 //=========================================================================== | |
| 941 //####COPYRIGHTBEGIN#### | |
| 942 // | |
| 943 // ------------------------------------------- | |
| 944 // The contents of this file are subject to the Cygnus eCos Public License | |
| 945 // Version 1.0 (the "License"); you may not use this file except in | |
| 946 // compliance with the License. You may obtain a copy of the License at | |
| 947 // http://sourceware.cygnus.com/ecos | |
| 948 // | |
| 949 // Software distributed under the License is distributed on an "AS IS" | |
| 950 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the | |
| 951 // License for the specific language governing rights and limitations under | |
| 952 // the License. | |
| 953 // | |
| 954 // The Original Code is eCos - Embedded Cygnus Operating System, released | |
| 955 // September 30, 1998. | |
| 956 // | |
| 957 // The Initial Developer of the Original Code is Cygnus. Portions created | |
| 2 | 958 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
| 0 | 959 // ------------------------------------------- |
| 960 // | |
| 961 //####COPYRIGHTEND#### | |
| 962 //=========================================================================== |