Mercurial > nand-ecoscentric
annotate packages/hal/mips/arch/current/ChangeLog @ 50:a0774359f013 ecos-sw-1999-11-02
Merge from eCos master repository on 1999-11-02-17:02:15-GMT
| author | jlarmour |
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| date | Tue, 02 Nov 1999 20:57:07 +0000 |
| parents | 1370c5e55234 |
| children | 7b011d1ab50f |
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1 1999-10-29 Nick Garnett <nickg@cygnus.co.uk> |
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2 |
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3 * include/pkgconf/hal_mips.h: Added condition to set a |
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4 MIPS-private option (CYGDBG_HAL_MIPS_DEBUG_GDB_CTRLC_SUPPORT) if |
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5 either CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT or |
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6 CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT are defined. In the MIPS HAL |
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7 these are implmented with the same code. |
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8 |
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9 * src/hal_misc.c: Changed CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT to |
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10 CYGDBG_HAL_MIPS_DEBUG_GDB_CTRLC_SUPPORT. |
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11 |
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12 * src/vectors.S: Space for old SP after switching to interrupt |
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13 stack must be 8 bytes to preserve alignment of SP. Otherwise any |
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14 nested interrupts or exceptions will get an address error |
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15 exception if the FP regs are saved, which then recurses. |
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16 Changed CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT to |
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17 CYGDBG_HAL_MIPS_DEBUG_GDB_CTRLC_SUPPORT. |
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18 |
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19 * src/mips-stub.c (__is_breakpoint_function): Fixed comparison |
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20 between PC register and label. On 64 bit CPUs these are both 32 |
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21 bit values in 64 bit types, but the way that they are generated, |
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22 the PC is zero extended and the label is sign extended. This |
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23 caused them to always differ. Fixed by casting label to unsigned |
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24 long before widening. |
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25 |
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26 1999-10-22 Nick Garnett <nickg@cygnus.co.uk> |
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27 |
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28 * src/vectors.S: Replaced ifdef with call to hal_intc_translate |
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29 macro so the behaviour here may be customized by variant or |
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30 platform HALs. |
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31 |
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32 * include/arch.inc: Added default implementations of |
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33 hal_intc_translate macro. |
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34 |
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35 1999-10-05 Nick Garnett <nickg@cygnus.co.uk> |
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36 |
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37 * include/basetype.h: Made definition of CYG_BYTEORDER dependent |
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38 on definition of CYGPKG_HAL_MIPS_[L|M]SBFIRST. |
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39 |
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40 1999-09-17 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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41 |
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42 * src/vectors.S (__default_exception_vsr): |
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43 Rename exception_handler()->cyg_hal_exception_handler() |
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44 After all, we will just do a jump rather than a jal into |
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45 cyg_hal_exception_handler() |
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46 (restore_state): Make the change below (by Hugo) be conditional |
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47 on CYG_HAL_USE_ROM_MONITOR_CYGMON. |
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48 Add explanatory comment about the additions for Cygmon |
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49 |
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50 * src/hal_misc.c (hal_default_isr): Use new format HAL_DIAG_IRQ_CHECK() |
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51 and check return code is negative; if so, return |
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52 (cyg_hal_exception_handler): Rename from exception_handler() |
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53 Now return cyg_uint32, but default to returning 0 always |
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54 |
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55 1999-09-16 Hugo Tyson <hmt@cygnus.co.uk> |
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56 |
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57 This set of changes with matching ones in jmr3904 comes from Mark |
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58 Salter's work to make jmr3904 CygMon talk Ethernet. |
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59 |
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60 * src/vectors.S (restore_state): Call CygMon for exceptions or |
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61 unhandled interrupts if CYG_HAL_USE_ROM_MONITOR. This is why the |
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62 return value from the ISR is preserved. Don't fully understand |
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63 this. |
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64 |
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65 * src/hal_misc.c (hal_default_isr): Call into hal_diag via |
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66 HAL_DIAG_IRQ_CHECK if it's defined and CYG_HAL_USE_ROM_MONITOR. |
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67 This lets CygMon check for network interrupts &c. |
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68 |
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69 1999-09-09 Nick Garnett <nickg@cygnus.co.uk> |
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70 |
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71 * include/arch.inc: |
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72 Moved code to initialize cache out to variant header since it is |
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73 variant specific. |
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74 |
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75 1999-09-08 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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76 |
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77 * src/hal_misc.c (exception_handler): Catch exceptions that come from |
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78 within GDB stubs and return if that's what the stubs intend |
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79 |
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80 1999-08-19 Nick Garnett <nickg@cygnus.co.uk> |
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81 |
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82 * include/hal_io.h: Added include of plf_io.h. |
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83 |
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84 1999-08-10 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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85 |
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86 * src/mipsfp.c (cyg_hal_mips_process_fpe): CYG_REPORT_FUNCNAMETYPE() |
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87 must be first in a C file |
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88 |
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89 1999-07-15 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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90 |
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91 * include/arch.inc (hal_fpu_save_caller): Save fcr31 first as |
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92 recommended by user's manual |
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93 (hal_fpu_load_caller): Similarly restore fcr31 last |
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94 |
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95 Rename CYG_HAL_MIPS_FSR_INIT to CYG_HAL_MIPS_FCSR_INIT since that's |
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96 closer to its documented name |
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97 |
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98 * include/mips-regs.h: |
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99 Add floating point register definitions, and bitfields/masks for FCR31 |
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100 in particular |
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101 |
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102 * src/mips-stub.c (__single_step): |
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103 Enable FP branch support if the hardware has an FPU. |
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104 |
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105 Change register access to FCR using HAL macro names from mips-regs.h |
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106 |
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107 When comparing branch tests with 0, cast the result of get_register() |
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108 to int so that it works on 64-bit MIPS targets even in 32-bit mode, |
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109 when GDB still insists REG_SIZE must be 8 (in which case negative |
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110 results would otherwise go positive) |
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111 |
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112 * src/mipsfp.c: New file to emulate unimplemented MIPS FP operations |
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113 * src/PKGconf.mak (COMPILE): compile it |
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114 |
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115 * src/hal_misc.c (exception_handler): If we have an FPU and get an FP |
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116 exception, call cyg_hal_mips_process_fpe() from mipsfp.c to process |
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117 it |
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118 |
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119 |
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120 1999-07-09 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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121 |
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122 * include/mips.inc: |
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123 * include/arch.inc: |
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124 * src/vectors.S: |
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125 Rename "cache" register to "cachectrl" to prevent confusion with |
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126 the "cache" instruction. |
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127 For symmetry therefore also rename mipsreg_cache to mipsreg_cachectrl |
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128 |
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129 * include/arch.inc (hal_cache_init): |
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130 Invalidate caches at startup |
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131 |
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132 * include/hal_cache.h: |
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133 Allow cache invalidation when cache disabled |
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134 Add _HAL_ASM_SET_MIPS_ISA() to allow use of cache macros in code |
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135 compiled with a MIPS ISA below 3 |
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136 |
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137 1999-06-25 Nick Garnett <nickg@cygnus.co.uk> |
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138 |
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139 * include/arch.inc: |
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140 * include/hal_arch.h: |
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141 Added initializer for FPU FSR register. |
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142 |
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143 1999-06-22 Nick Garnett <nickg@cygnus.co.uk> |
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144 |
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145 * src/hal_misc.c (hal_default_isr): When chaining, always try the |
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146 ctrlc ISR, the passed-in vector number can be bogus. |
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147 |
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148 1999-06-18 Nick Garnett <nickg@cygnus.co.uk> |
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149 |
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150 * src/hal_misc.c: |
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151 Added cyg_hal_clock_period variable. |
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152 |
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153 * include/hal_intr.h: |
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154 Modified HAL_CLOCK_LATENCY() macro to do the right thing. |
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155 Added cyg_hal_clock_period variable. |
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156 |
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157 * include/hal_cache.h: Modified implementations of cache macros to |
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158 only do anything if the appropriate cache is enabled. |
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159 |
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160 1999-06-17 Nick Garnett <nickg@cygnus.co.uk> |
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161 |
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162 * src/vectors.S: Added code to discriminate different entry |
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163 conditions to the reset vector. Added code to translate an NMI |
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164 into a standard exception and added a new vector in the VSR table |
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165 for it. |
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166 Made above code not be present in RAM. Tidied away some debug |
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167 code. |
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168 |
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169 1999-06-11 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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170 |
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171 * src/hal_misc.c: Make sure all symbol addresses are given an |
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172 appropriate type that they won't be relocated relative to $gp |
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173 Fix for CR 100800 |
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174 |
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175 1999-06-10 Nick Garnett <nickg@cygnus.co.uk> |
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176 |
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177 * include/hal_arch.h: Added macros to copy FPU registers between |
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178 HAL and GDB register save states. |
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179 |
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180 1999-06-08 Nick Garnett <nickg@cygnus.co.uk> |
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181 |
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182 * src/vectors.S: Dummy __gccmain did not have a delay slot after |
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183 the "jr ra". |
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184 |
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185 * include/hal_arch.h: Make value of CYGNUM_HAL_STACK_SIZE_TYPICAL |
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186 always be greater than CYGNUM_HAL_STACK_SIZE_MINIMUM. |
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187 |
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188 1999-06-02 Jonathan Larmour <jlarmour@cygnus.co.uk> |
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189 |
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190 * src/hal_misc.c (cyg_hal_invoke_constructors): |
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191 Rework for new constructor scheme for new compilers. Should work |
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192 with old compilers too. |
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193 |
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194 1999-05-28 Nick Garnett <nickg@cygnus.co.uk> |
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195 |
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196 * src/vectors.S: |
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197 Removed references to CYG_HAL_STARTUP_STUBS. |
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198 Removed some defunct code. |
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199 |
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200 * include/hal_cache.h (HAL_ICACHE_INVALIDATE_ALL): Fixed typo. |
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201 |
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202 1999-05-27 Nick Garnett <nickg@cygnus.co.uk> |
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203 |
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204 * src/vectors.S: |
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205 Move call to hal_diag_intr_start to a more useful place. |
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206 Added a save of the current state pointer to memory for ctrl-c |
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207 support. Ensure that exceptions are enabled before calling the ISR |
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208 to allow breakpoints to function. |
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209 |
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210 * src/mips-stub.c: Imported asynchronous interrupt support from |
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211 libstub/cygmon. |
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212 |
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213 * include/hal_intr.h: Added HAL_DEFAULT_ISR to contain the name of |
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214 the default ISR. |
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215 |
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216 * src/hal_misc.c: Added code to call HAL_CTRLC_ISR to default ISR |
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217 if it is enabled. Added some (disabled) debug code. |
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218 |
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219 * include/hal_cache.h: Added default implementation of |
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220 HAL_DCACHE_IS_ENABLED(). Made use of it in some cache macros. |
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221 Also fixed some typos in some macros. |
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222 |
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223 1999-05-21 Hugo Tyson <hmt@cygnus.co.uk> |
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224 |
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225 * include/hal_intr.h: Define HAL_INTERRUPT_STACK_BASE and |
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226 HAL_INTERRUPT_STACK_TOP so that stack usage macros in |
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227 kernel/.../stackmon.hxx can work. |
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228 |
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229 * src/vectors.S (cyg_interrupt_stack_base): Define this symbol for |
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230 the interrupt stack and its friend for the stack top so that we |
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231 can publish them with nice names. |
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232 |
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233 1999-05-21 Nick Garnett <nickg@cygnus.co.uk> |
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234 |
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235 * src/vectors.S: |
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236 Rationalized use of "at" and "noat" setting. |
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237 Made use of "lar" where necessary. |
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238 |
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239 * src/mips-stub.c (__install_breakpoints): Added cache flushes to |
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240 ensure that the just-set breakpoint is migrated to main memory and |
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241 will be fetched by the instruction cache. |
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242 |
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243 * src/context.S: |
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244 Rationalized use of "at" and "noat" setting. |
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245 |
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246 * include/arch.inc: |
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247 Added initial value for the config0 register and added code to set |
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248 it to hal_cpu_init. |
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249 Added default "lar" macro. |
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250 |
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251 1999-05-16 Gary Thomas <gthomas@cygnus.co.uk> |
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252 |
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253 * include/hal_intr.h (HAL_INTERRUPT_STACK_CALL_PENDING_DSRS): |
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254 Add macro for new DSR handling mechanism (was override of a |
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255 "weak" symbol in kernel). |
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256 |
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257 1999-05-13 Nick Garnett <nickg@cygnus.co.uk> |
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258 The following have been merged from a branch: |
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259 |
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260 1999-05-11 Nick Garnett <nickg@cygnus.co.uk> |
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261 |
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262 * include/hal_arch.h: |
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263 * include/hal_intr.h: |
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264 * include/hal_cache.h: |
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265 * include/arch.inc: |
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266 Changed references to "imp" and "implementation" to "var" and |
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267 "variant" respectively. These are better names for these files and |
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268 functions. |
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269 |
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270 * src/vectors.S: |
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271 Removed or disabled some development/debug code. |
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272 Same imp->var changes as above. |
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273 |
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274 1999-05-06 Nick Garnett <nickg@cygnus.co.uk> |
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275 |
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276 * src/vectors.S: Added call to hal_cpu_except_enable in |
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277 __default_exception_vsr to re-enable nested exceptions. |
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278 |
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279 * src/mips-stub.c: Use _registers[X] rather that register[X] for |
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280 accessing CPU registers, since the former may point to per-thread |
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281 register sets while the latter only refers to the current trap |
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282 register set. |
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283 |
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284 * include/arch.inc: Added hal_cpu_except_enable macro to |
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285 (re-)enable exception processing and disable interrupts. This is |
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286 necessary if we are to allow nested exceptions (like breakpoints |
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287 in exception handlers). |
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288 |
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289 1999-04-29 Nick Garnett <nickg@cygnus.co.uk> |
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290 |
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291 * src/vectors.S: Reenable interrupts while processing exceptions. |
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292 Several temporary kludges to permit us to test ROM code from RAM |
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293 under PMON. |
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294 |
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295 * include/mips.inc: Extended list of CP0 register aliases. |
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296 |
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297 |
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298 * include/arch.inc: Added generic version of hal_cache_init to |
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299 disable kseg0 caching in config0 register. |
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300 |
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301 * include/hal_cache.h: Moved dummy addresses used in index |
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302 operations to 0x80000000, zero caused MMU exceptions. |
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303 Fixed looping bugs in all macros that use them. |
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304 |
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305 1999-04-28 Gary Thomas <gthomas@cygnus.co.uk> |
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306 |
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307 [v1_2_2_beta branch] |
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308 * src/vectors.S: Add dummy "__gccmain()" |
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309 |
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310 1999-04-27 Gary Thomas <gthomas@cygnus.co.uk> |
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311 |
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312 * include/hal_arch.h: Make minimum stack sizes more realistic. |
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313 Also fix size of interrupt stack frame when FPU present. |
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314 |
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315 1999-04-23 Nick Garnett <nickg@cygnus.co.uk> |
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316 |
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317 * src/vectors.S: Added support for floating point register save |
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318 and restore. Fixed hal_interrupt_stack_call_pending_DSRs to use |
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319 hal_cpu_int_merge macro. |
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320 |
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321 * src/context.S: Added support for floating point register save |
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322 and restore. Started some preparations for 64 bit processor |
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323 support. |
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324 |
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325 * include/mips.inc: Added floating point register aliases. Moved |
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326 saved state to arch.inc. |
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327 |
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328 * include/hal_arch.h: Completed support for floating point state |
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329 save and restore. Parameterized GDB support macros a little to |
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330 enable GDB to work properly. |
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331 |
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332 * include/arch.inc: Added support for floating point state save |
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333 and restore. Moved assembler version of saved state layout here |
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334 from mips.inc. |
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335 |
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336 1999-04-22 Nick Garnett <nickg@cygnus.co.uk> |
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337 |
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338 * src/context.S (hal_thread_load_context): Substituted explicit |
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339 code to reload the interrupt enable state with a macro. |
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340 |
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341 * include/hal_cache.h: Removed default implementations of |
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342 HAL_[D/I]CACHE_[EN/DIS]ABLE since these were actually TX39 |
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343 specific. There is aparrently no standard way of implementing |
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344 these function in the MIPS architecture. |
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345 |
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346 * include/mips.inc: Added a comment to point out a TX39-only |
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347 register. |
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348 |
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349 * src/vectors.S: Modified hal_interrupt_stack_call_pending_DSRs() |
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350 to also call DSRs with interrupts enabled. Returns interrupt state |
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351 to original value when finished. |
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352 Use hal_cpu_int_ensable macro in place of explicit code in |
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353 hal_interrupt_stack_call_pending_DSRs(). |
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354 |
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355 1999-04-21 Nick Garnett <nickg@cygnus.co.uk> |
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356 |
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357 * include/arch.inc: Ifdeffed definition of hal_intc_init macro to |
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358 allow it to be defined elsewhere. Added default versions of diag |
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359 macros. |
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360 |
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361 * src/vectors.S: Added some low-level diagnostic macros to show |
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362 HAL events if there is adequate hardware (such as leds). |
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363 Removed interrupt enable/disables in interrupt processing since we |
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364 can now go through a thread switch with interrupts disabled. |
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365 Ifdeffed ISR tables so they can be defined elsewhere. |
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366 Added implementation of hal_interrupt_stack_call_pending_DSRs. |
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367 Added calls to implementation and platform init routines. |
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368 |
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369 * src/hal_misc.c: Many changes to hal_idle_thread_action() to |
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370 print or instrument various CPU registers. Left with code to |
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371 wiggle an led in the idle loop. |
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372 Stripped out TX39 specific code and moved it to plf_misc.c. |
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373 |
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374 * src/context.S: Added code to save and restore the interrupt mask |
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375 state in thread contexts. |
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376 |
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377 * include/hal_intr.h: |
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378 Renamed default interrupts to match the hardware more closely. |
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379 Added ifdef around HAL_TRANSLATE_VECTOR() so it can be made |
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380 platform/variant specific. Added implementation of |
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381 HAL_INTERRUPT_ACKNOWLEDGE(). |
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382 |
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383 * include/hal_arch.h (HAL_THREAD_INIT_CONTEXT): Aligned the |
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384 intitial stack pointer to 16 byte boundary, added an initial value |
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385 for the status register. |
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386 |
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387 * include/arch.inc: Added some nops to eret macros. |
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388 |
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389 1999-04-13 John Dallaway <jld@cygnus.co.uk> |
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390 |
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391 * src/mips.ld: Migrate global MIPS linker script to individual |
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392 MIPS variant directories |
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393 |
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394 1999-04-30 Hugo Tyson <hmt@cygnus.co.uk> |
| 2 | 395 |
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396 Merge the following changes from the 1.2.1 release branch, |
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397 but without any CDL for CYGDBG_HAL_MIPS_INSTALL_CTRL_C_ISR, |
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398 it is always on. |
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399 |
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400 1999-04-30 Jesper Skov <jskov@cygnus.co.uk> |
| 2 | 401 * src/hal_misc.c: Added vector decoding to the below. |
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402 1999-04-30 Hugo Tyson <hmt@masala.cygnus.co.uk> |
| 2 | 403 * src/hal_misc.c (hal_init_ctrlc_intr): Chain onto the old value |
| 404 of the ISR when attaching the ctrl-c ISR; this allows chained | |
| 405 interrupts to work (otherwise a stack-wrecking interrupt loop | |
| 406 occurs). | |
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407 1999-04-29 Hugo Tyson <hmt@cygnus.co.uk> |
| 2 | 408 * include/pkgconf/hal_tx39.h (CYGDBG_HAL_MIPS_INSTALL_CTRL_C_ISR): |
| 409 New config option, on by default. | |
| 410 * src/hal_misc.c (hal_ctrlc_isr): Enable these features on | |
| 411 CYGDBG_HAL_MIPS_INSTALL_CTRL_C_ISR new config option. | |
| 412 | |
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413 1999-04-28 Bart Veer <bartv@cygnus.co.uk> |
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414 |
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415 * src/PKGconf.mak: |
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416 Remove the -n argument to tail, it does not appear to be required |
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417 on any supported host and causes problems with some |
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418 implementations of tail. |
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419 |
| 2 | 420 1999-04-20 Jonathan Larmour <jlarmour@cygnus.co.uk> |
| 421 | |
| 422 * include/hal_intr.h: Don't sync TRR if platform sim - it doesn't need | |
| 423 it | |
| 424 | |
| 425 * include/pkgconf/hal_tx39.h: | |
| 426 Allow CYGARC_TX39_PR19846 to override | |
| 427 CYGHWR_HAL_MIPS_TX3904_TRR_REQUIRES_SYNC so that we can do something | |
| 428 sensible in the simulators | |
| 429 | |
| 430 Related to PR 19846 | |
| 431 | |
| 432 1999-04-15 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 433 | |
| 434 * src/tx39.ld: Define __bss_end at the end of the BSS | |
| 435 * src/hal_misc.c (hal_zero_bss): Stop at __bss_end rather than _end | |
| 436 when clearing BSS | |
| 437 These fix PR 19750 | |
| 438 | |
| 439 1999-04-15 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 440 | |
| 441 * src/hal_misc.c: | |
| 442 * src/vectors.S: | |
| 443 Separate parts of cyg_hal_invoke_constructors() out into new functions | |
| 444 cyg_hal_enable_caches() and cyg_hal_debug_init() so that | |
| 445 cyg_hal_invoke_constructors() can be called again safely if | |
| 446 necessary | |
| 447 Related fix to that of PR19642 | |
| 448 | |
| 449 1999-04-14 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 450 | |
| 451 * src/PKGconf.mak (EXTRAS): Don't generate extras.o here any more | |
| 452 But do define EXTRAS every time for the linker script | |
| 453 | |
| 454 1999-04-13 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 455 | |
| 456 * include/hal_intr.h (HAL_CLOCK_READ): | |
| 457 Add workaround for tx39 bug - needs to sync and wait for the | |
| 458 write buffer to clear before reading the clock. | |
| 459 Submitted by akira.yokosawa@toshiba.co.jp | |
| 460 | |
| 461 * include/pkgconf/hal_tx39.h | |
| 462 (CYGHWR_HAL_MIPS_TX3904_TRR_REQUIRES_SYNC): Define this by default | |
| 463 to implement above | |
| 464 | |
| 465 1999-04-12 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 466 | |
| 467 * include/hal_intr.h (HAL_VSR_SET_TO_ECOS_HANDLER): Added. | |
| 468 (HAL_VSR_SET): Cast types to CYG_ADDRESS to prevent warnings | |
| 469 | |
| 470 Part of fix for PRs 19731/19607 | |
| 471 | |
| 472 1999-04-09 Jesper Skov <jskov@cygnus.co.uk> | |
| 473 | |
| 474 * src/mips-stub.c: | |
| 475 Moved get_register and put_register to hal_stub.c. | |
| 476 | |
| 477 1999-04-08 John Dallaway <jld@cygnus.co.uk> | |
| 478 | |
| 479 * src/*.ld: Use double underscore substitution for period | |
| 480 character in SECTION_* macro names (PR 19787) | |
| 481 | |
| 482 1999-04-08 John Dallaway <jld@cygnus.co.uk> | |
| 483 | |
| 484 * src/*.ld: Revised SECTION_* macro arguments to | |
| 485 avoid padded output sections (PR 19787) | |
| 486 | |
| 487 1999-03-31 Nick Garnett <nickg@cygnus.co.uk> | |
| 488 | |
| 489 * include/hal_cache.h: Added include of hal.h and a test that a | |
| 490 valid set of macros have been added. | |
| 491 Also moved address used in HAL_DCACHE_INVALIDATE_ALL() to | |
| 492 0x9fc00000, which is the cached ROM space. | |
| 493 | |
| 494 1999-03-24 Nick Garnett <nickg@cygnus.co.uk> | |
| 495 | |
| 496 * src/vectors.S: | |
| 497 Added options to allow different settings for DRAM initialization. | |
| 498 Fixed some ifdef bugs. | |
| 499 | |
| 500 * src/hal_misc.c (cyg_hal_invoke_constructors): | |
| 501 Added ifdefs to control enabling and disabling of timeout | |
| 502 exceptions. | |
| 503 | |
| 504 * include/pkgconf/hal_tx39.h: | |
| 505 Added translations from the user friendly CPU speed settings into | |
| 506 the real CPU frequencies in Hz. | |
| 507 | |
| 508 * include/hal_intr.h: | |
| 509 Added HAL_TX39_DEBUG_TOE_ENABLE() and ...DISABLE, to switch | |
| 510 timeout exceptions on and off. | |
| 511 | |
| 512 1999-03-23 Nick Garnett <nickg@cygnus.co.uk> | |
| 513 | |
| 514 * include/hal_arch.h: | |
| 515 Modified stack size definitions to be more accurate. | |
| 516 | |
| 517 1999-03-22 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 518 | |
| 519 * include/mips-regs.h: Update copyright | |
| 520 | |
| 521 * include/mips-stub.h: Update copyright | |
| 522 | |
| 523 * src/mips-stub.c: Update copyright | |
| 524 | |
| 525 1999-03-22 Hugo Tyson <hmt@cygnus.co.uk> | |
| 526 | |
| 527 * include/hal_arch.h: | |
| 528 Use CYGNUM_HAL_STACK_SIZE_TYPICAL for the stack size instead of | |
| 529 CYGNUM_HAL_MINIMUM_STACK_SIZE. | |
| 530 | |
| 531 1999-03-17 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 532 | |
| 533 * src/hal_misc.c (cyg_hal_user_break): Remove #warning - it doesn't | |
| 534 really provide any useful info, and may unnecessarily worry a user | |
| 535 since it fires in normal situations | |
| 536 | |
| 537 1999-03-17 John Dallaway <jld@cygnus.co.uk> | |
| 538 | |
| 539 * src/PKGconf.mak: Remove dependence on echo '-e' switch. | |
| 540 | |
| 541 1999-03-16 Nick Garnett <nickg@cygnus.co.uk> | |
| 542 | |
| 543 * src/vectors.S: Removed definition of idle thread stack. | |
| 544 | |
| 545 1999-03-15 Nick Garnett <nickg@cygnus.co.uk> | |
| 546 | |
| 547 * include/hal_cache.h: | |
| 548 Changed implementation of HAL_DCACHE_INVALIDATE_ALL() to read from | |
| 549 ROM space rather than RAM. This fixes PR 19510. | |
| 550 | |
| 551 1999-03-12 Nick Garnett <nickg@cygnus.co.uk> | |
| 552 | |
| 553 * src/vectors.S: Modified ROMC and SCS settings in line with | |
| 554 Toshiba's suggestions for compatibility with other CPU variants. | |
| 555 | |
| 556 1999-03-12 Gary Thomas <gthomas@cygnus.co.uk> | |
| 557 | |
| 558 * include/hal_arch.h: Add definition for 'CYGNUM_HAL_MINIMUM_STACK_SIZE' | |
| 559 | |
| 560 1999-03-11 Nick Garnett <nickg@cygnus.co.uk> | |
| 561 | |
| 562 * src/hal_misc.c: | |
| 563 Disabled use of stand-alone ^C detection interrupt. This is now | |
| 564 done in the serial driver. Added cyg_hal_is_break() and | |
| 565 cyg_hal_user_break() to detect and provoke ^C processing. These | |
| 566 are used by the serial driver and will one day interact with the | |
| 567 BSP/Cygmon/GDB stubs to do the right thing. | |
| 568 | |
| 569 1999-03-10 Jesper Skov <jskov@cygnus.co.uk> | |
| 570 | |
| 571 * include/hal_intr.h (HAL_INTERRUPT_IN_USE): Added. | |
| 572 | |
| 573 1999-03-10 Nick Garnett <nickg@cygnus.co.uk> | |
| 574 | |
| 575 * include/pkgconf/hal_tx39.h: | |
| 576 * src/vectors.S: | |
| 577 Changed names used to control CPU frequency into something more | |
| 578 generic. Moved definition into hal_tx39.h from hal_tx39_jmr3904.h. | |
| 579 | |
| 580 1999-03-09 Jesper Skov <jskov@cygnus.co.uk> | |
| 581 PR 19370 | |
| 582 * src/hal_misc.c (cyg_hal_invoke_constructors): Changed | |
| 583 constructor loop. | |
| 584 | |
| 585 1999-03-05 Gary Thomas <gthomas@cygnus.co.uk> | |
| 586 | |
| 587 * src/tx39.ld: | |
| 588 * src/PKGconf.mak: Clean up I/O package changes. | |
| 589 | |
| 590 1999-03-04 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 591 | |
| 592 * src/tx39.ld: | |
| 593 Add INPUT(libextras.a), include libextras.a in GROUP() and include | |
| 594 new __DEVTAB__ section for new device drivers | |
| 595 | |
| 596 1999-02-25 Nick Garnett <nickg@cygnus.co.uk> | |
| 597 | |
| 598 * src/vectors.S: | |
| 599 Changed label used to access scheduler lock to one that is not | |
| 600 mangled by C++. This is intended to make support for interrupt | |
| 601 handling in non-kernel configurations easier. | |
| 602 Added some code to initialize DRAM in ROM-only configurations. | |
| 603 | |
| 604 1999-02-23 Nick Garnett <nickg@cygnus.co.uk> | |
| 605 | |
| 606 * src/hal_misc.c: | |
| 607 Added support for SIGINT-causing magic breakpoint. This involves | |
| 608 passing a third, hidden argument to hal_ctrlc_isr() which is a | |
| 609 pointer to the saved CPU state. | |
| 610 | |
| 611 * src/vectors.S: | |
| 612 Added support for 66MHz part (untested). | |
| 613 Added support for SIGINT-causing magic breakpoint to allow | |
| 614 continuation after ^C. This also relies on CYGMON changes. | |
| 615 | |
| 616 1999-02-20 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 617 | |
| 618 * include/hal_arch.h: | |
| 619 Rename deliver_exception() -> cyg_hal_deliver_exception() | |
| 620 QA improvements | |
| 621 | |
| 622 * include/hal_intr.h: | |
| 623 Reorganise vector/interrupt/exception names according to purpose | |
| 624 QA improvements | |
| 625 | |
| 626 * src/hal_misc.c: | |
| 627 Rename deliver_exception() -> cyg_hal_deliver_exception() | |
| 628 Rename CYG_VECTOR_SIO_0 -> CYGNUM_HAL_INTERRUPT_SIO_0 | |
| 629 | |
| 630 1999-02-16 Jesper Skov <jskov@cygnus.co.uk> | |
| 631 | |
| 632 * src/vectors.S: Added call to initialize_stub. | |
| 633 | |
| 634 * src/mips-stub.c: | |
| 635 * include/mips-stub.h: | |
| 636 Cleaned up to only include arch specific stub code. | |
| 637 | |
| 638 * include/hal_arch.h (HAL_BREAKPOINT): Added SIM breakpoint code | |
| 639 from (now dead) jmr3904/.../hal_stub.c. | |
| 640 | |
| 641 1999-02-05 John Dallaway <jld@cygnus.co.uk> | |
| 642 | |
| 643 * src/mips.ld: Rename to tx39.ld since this is the target name | |
| 644 * src/PKGconf.mak: Process tx39.ld instead of mips.ld | |
| 645 | |
| 646 1999-02-05 John Dallaway <jld@cygnus.co.uk> | |
| 647 | |
| 648 * src/mips.ld: Add LMA_EQ_VMA macro definition. | |
| 649 | |
| 650 1999-02-03 Jesper Skov <jskov@cygnus.co.uk> | |
| 651 | |
| 652 * src/hal_misc.c: | |
| 653 * include/hal_cache.h: | |
| 654 Moved nested external declarations into top-level scope to avoid | |
| 655 compiler warnings. | |
| 656 | |
| 657 1999-02-02 Nick Garnett <nickg@cygnus.co.uk> | |
| 658 | |
| 659 * include/hal_cache.h : | |
| 660 In HAL_ICACHE_INVALIDATE_ALL() and HAL_ICACHE_INVALIDATE(), fixed | |
| 661 typos in passing arguments to asm sections. | |
| 662 Fixes PR 18951. | |
| 663 | |
| 664 1999-01-26 Hugo Tyson <hmt@masala.cygnus.co.uk> | |
| 665 | |
| 666 * src/mips.ld: | |
| 667 Add copyright notice. (Though these files will later be generated | |
| 668 by a tool and so not copyright, these default setups are.) | |
| 669 | |
| 670 1999-01-21 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 671 | |
| 672 * src/hal_misc.c (cyg_hal_invoke_constructors): | |
| 673 Add code to deal with CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG | |
| 674 Tidy up and update description header | |
| 675 Shorten needlessly long lines | |
| 676 Remove all traces of non-CYG_KERNEL_USE_INIT_PRIORITY code | |
| 677 | |
| 678 1999-01-15 Hugo Tyson <hmt@cygnus.co.uk> | |
| 679 | |
| 680 * src/mips.ld: | |
| 681 Provide alternate definition of macro SECTION_rom_vectors() for | |
| 682 RAM startup (CYG_HAL_STARTUP_RAM) so that minimal sim testing | |
| 683 works. Note: this is an instance where two definitions (of | |
| 684 identical "API") of a macro occur in the prototype <target>.ld | |
| 685 file; the MLT is required not to be confused by this. | |
| 686 | |
| 687 1999-01-15 John Dallaway <jld@cygnus.co.uk> | |
| 688 | |
| 689 * src/mips.ld: add section macro for .vsr_table | |
| 690 | |
| 691 1999-01-13 John Dallaway <jld@cygnus.co.uk> | |
| 692 | |
| 693 * src/mips.ld: add section macro for .rel.dyn | |
| 694 | |
| 695 1999-01-13 John Dallaway <jld@cygnus.co.uk> | |
| 696 | |
| 697 * src/mips.ld: new linker script for MLT | |
| 698 * src/PKGconf.mak: add mips.ld rules for MLT | |
| 699 | |
| 700 1999-01-13 Gary Thomas <gthomas@cygnus.co.uk> | |
| 701 | |
| 702 * include/basetype.h: CYG_DOUBLE_BYTEORDER now in <infra/cyg_type.h> | |
| 703 | |
| 704 1999-01-12 Gary Thomas <gthomas@cygnus.co.uk> | |
| 705 | |
| 706 * include/basetype.h (CYG_DOUBLE_BYTEORDER): Define ordering | |
| 707 for words within doubles. | |
| 708 | |
| 709 1999-01-12 Nick Garnett <nickg@cygnus.co.uk> | |
| 710 | |
| 711 * include/hal_cache.h: | |
| 712 Modified HAL_DCACHE_INVALIDATE_ALL() to correctly touch all cache | |
| 713 lines twice to ensure that the cache and memory are | |
| 714 consistent. This is the best we can do without direct support for | |
| 715 invalidation. | |
| 716 | |
| 717 * src/hal_misc.c: Altered call to patch_dbg_syscalls() to pass | |
| 718 pointer to base of vector rather than a single vector entry. | |
| 719 | |
| 720 1998-12-15 Jesper Skov <jskov@cygnus.co.uk> | |
| 721 PR 18543 | |
| 722 | |
| 723 * include/hal_cache.h (HAL_DCACHE_INVALIDATE): Fixed variable | |
| 724 name. | |
| 725 | |
| 726 1998-12-15 Jesper Skov <jskov@cygnus.co.uk> | |
| 727 | |
| 728 * include/hal_arch.h: | |
| 729 * src/context.S (hal_setjmp, hal_longjump): | |
| 730 Added CYGARC definitions for jmpbuf entries. | |
| 731 Corrected jmpbuf size. | |
| 732 | |
| 733 1998-12-10 Jesper Skov <jskov@cygnus.co.uk> | |
| 734 | |
| 735 * include/hal_cache.h (HAL_DCACHE_UNLOCK_ALL, | |
| 736 HAL_ICACHE_UNLOCK_ALL): Added. | |
| 737 | |
| 738 1998-11-26 Jesper Skov <jskov@cygnus.co.uk> | |
| 739 | |
| 740 * include/mips-regs.h: | |
| 741 * src/mips-stub.c: | |
| 742 Added use of CYGARC_HAL_COMMON_EXPORT_CPU_MACROS. | |
| 743 | |
| 744 1998-11-18 Gary Thomas <gthomas@cygnus.co.uk> | |
| 745 | |
| 746 * include/hal_intr.h: Add support for interrupt latency | |
| 747 measurements, controlled by CYGVAR_KERNEL_COUNTERS_CLOCK_LATENCY. | |
| 748 | |
| 0 | 749 1998-10-27 Jesper Skov <jskov@cygnus.co.uk> |
| 750 PR 18033 | |
| 751 | |
| 752 * include/hal_intr.h: Replaced CYGIMP_HAL_INTERRUPTS_CHAIN | |
| 753 with the correct CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN. | |
| 754 | |
| 755 1998-10-27 Jesper Skov <jskov@cygnus.co.uk> | |
| 756 PR 18021 | |
| 757 * src/hal_misc.c (hal_ctrlc_isr): Removed break; to prevent | |
| 758 compiler error. | |
| 759 | |
| 760 1998-10-25 Jesper Skov <jskov@cygnus.co.uk> | |
| 761 | |
| 762 * src/mips-stub.c (__build_t_packet): Replaced | |
| 763 CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT with | |
| 764 CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT. | |
| 765 Fixed #endif comment. | |
| 766 | |
| 767 * src/hal_misc.c (hal_ctrlc_isr): Replaced | |
| 768 CYGDBG_KERNEL_DEBUG_GDB_INCLUDE_STUBS with | |
| 769 CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS. | |
| 770 | |
| 771 * include/hal_intr.h: Replaced CYGIMP_KERNEL_INTERRUPTS_CHAIN with | |
| 772 CYGIMP_HAL_INTERRUPTS_CHAIN. | |
| 773 | |
| 774 1998-10-23 Jesper Skov <jskov@cygnus.co.uk> | |
| 775 | |
| 776 * include/hal_intr.h: Include pkgconf/hal.h. | |
| 777 | |
| 778 1998-10-16 Bart Veer <bartv@cygnus.co.uk> | |
| 779 | |
| 780 * src/vectors.S (__interrupt_stack): | |
| 781 Made the interrupt stack size configurable. | |
| 782 | |
| 783 1998-10-16 Nick Garnett <nickg@cygnus.co.uk> | |
| 784 | |
| 785 * src/hal_misc.c: | |
| 786 Enabled caches by default. | |
| 787 | |
| 788 1998-10-14 Nick Garnett <nickg@cygnus.co.uk> | |
| 789 | |
| 790 * src/context.S (hal_thread_switch_context): | |
| 791 Store copy of R31(RA) in PC slot in register state to keep GDB | |
| 792 happy. | |
| 793 * include/hal_arch.h (HAL_THREAD_INIT_CONTEXT): | |
| 794 Intialize PC slot in register state. | |
| 795 | |
| 796 * src/hal_misc.c: | |
| 797 Altered ifdefs to allow building without kernel present. | |
| 798 | |
| 799 * include/mips-stub.h: | |
| 800 Include generic-stub.h from HAL rather than from kernel. | |
| 801 | |
| 802 * src/mips-stub.c: | |
| 803 Added signal definitions to avoid including signal.h. | |
| 804 | |
| 805 * include/hal_intr.h: | |
| 806 Added implementations of HAL_INTERRUPT_ACKNOWLEDGE() and | |
| 807 HAL_INTERRUPT_SET_LEVEL(). | |
| 808 | |
| 809 1998-10-13 Jesper Skov <jskov@cygnus.co.uk> | |
| 810 | |
| 811 * src/hal_misc.c: Use GDB array rather than HAL_SavedRegisters | |
| 812 structure. Rely on generic stub to pack/unpack the array. | |
| 813 | |
| 814 * include/hal_arch.h (HAL_GET_GDB_REGISTERS, | |
| 815 HAL_SET_GDB_REGISTERS): get/set full register set. | |
| 816 | |
| 817 1998-10-13 Jesper Skov <jskov@cygnus.co.uk> | |
| 818 | |
| 819 * include/mips-stub.h: Moved first use of regnames below | |
| 820 definition. | |
| 821 | |
| 822 Sun Sep 27 12:17:42 1998 Jesper Skov <jskov@cygnus.co.uk> | |
| 823 | |
| 824 * include/hal_cache.h (HAL_DCACHE_LOCK): Terminate asm string. | |
| 825 | |
| 826 1998-09-26 Nick Garnett <nickg@cygnus.co.uk> | |
| 827 | |
| 828 * include/hal_cache.h: | |
| 829 Cleaned up some compilation errors. | |
| 830 | |
| 831 Tue Sep 15 19:13:43 1998 David Moore <dsm@keema.cygnus.co.uk> | |
| 832 | |
| 833 * src/vectors.S: Cleaned up comments. | |
| 834 | |
| 835 1998-09-15 Nick Garnett <nickg@cygnus.co.uk> | |
| 836 | |
| 837 * include/hal_arch.h (HAL_GET_GDB_REGISTERS): | |
| 838 Initialized R30 to a copy of SP to avoid GDB making bogus memory | |
| 839 references. | |
| 840 | |
| 841 * src/hal_misc.c: | |
| 842 Added support for Ctrl-C processing when running under Cygmon. | |
| 843 Fixed a compiler warning. | |
| 844 | |
| 845 1998-09-14 Bart Veer <bartv@cygnus.co.uk> | |
| 846 | |
| 847 * src/PKGconf.mak: | |
| 848 Made vectors.o dependent on the various files that can contain | |
| 849 makefile variables or rules. This is needed after changes to | |
| 850 pkgconf.tcl for PRs 17195 and 17286. | |
| 851 | |
| 852 Mon Sep 14 11:10:20 1998 Jesper Skov <jskov@lassi.cygnus.co.uk> | |
| 853 PR 17230 | |
| 854 | |
| 855 * src/vectors.S: Replaced CYGIMP_KERNEL_INTERRUPTS_CHAIN with new | |
| 856 CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN. | |
| 857 | |
| 858 1998-09-14 Nick Garnett <nickg@cygnus.co.uk> | |
| 859 PR 17230 | |
| 860 | |
| 861 * include/hal_intr.h: | |
| 862 Added HAL_TRANSLATE_VECTOR() to translate a supplied vector number | |
| 863 into one that can be used in the HAL. Added calls to it in | |
| 864 HAL_INTERRUPT_ATTACH() and HAL_INTERRUPT_DETACH(). | |
| 865 | |
| 866 1998-09-12 Bart Veer <bartv@cygnus.co.uk> | |
| 867 | |
| 868 * include/pkgconf/hal_tx39.h: | |
| 869 Added missing descriptions (PR 17184) | |
| 870 | |
| 871 * src/vectors.S: | |
| 872 <pkgconf/kernel.h> was being included without properly checking | |
| 873 that the kernel package was enabled. | |
| 874 | |
| 875 * src/hal_misc.c (exception_handler): | |
| 876 Sort out exception handling options (PR 16953) | |
| 877 | |
| 878 1998-09-11 Nick Garnett <nickg@cygnus.co.uk> | |
| 879 PR 17230 | |
| 880 | |
| 881 * src/vectors.S (__default_interrupt_vsr): | |
| 882 Modified interrupt decode code to preserve raising interrupt | |
| 883 number to pass to ISR, even when using chained interrupts. | |
| 884 | |
| 885 1998-09-03 Bart Veer <bartv@cygnus.co.uk> | |
| 886 | |
| 887 * src/mips-stub.c: | |
| 888 Fixed type in config option name. | |
| 889 | |
| 890 1998-09-02 Bart Veer <bartv@cygnus.co.uk> | |
| 891 | |
| 892 * include/pkgconf/hal_tx39.h: | |
| 893 New header file for architecture-specific configuration options | |
| 894 | |
| 895 * tests/PKGconf.mak: | |
| 896 * src/PKGconf.mak: | |
| 897 Sort out package naming conventions. | |
| 898 | |
| 899 Tue Sep 1 19:26:45 1998 Hugo Tyson <hmt@cygnus.co.uk> | |
| 900 | |
| 901 * src/hal_misc.c: | |
| 902 Use CYGDBG_INFRA_DIAG_USE_DEVICE (from infra.h) instead of | |
| 903 CYG_DIAG_USE_DEVICE (badly named, from kernel.h). | |
| 904 | |
| 905 1998-09-01 Nick Garnett <nickg@cygnus.co.uk> | |
| 906 | |
| 907 * include/hal_intr.h: | |
| 908 Added CYG_EXCEPTION_COUNT. | |
| 909 | |
| 910 1998-08-28 Bart Veer <bartv@cygnus.co.uk> | |
| 911 | |
| 912 * src/vectors.S, src/context.S, src/hal_misc.c, src/mips-stub.c: | |
| 913 Updated for new kernel configuration option symbol names | |
| 914 | |
| 915 Fri Aug 28 10:01:24 1998 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 916 | |
| 917 * src/hal_misc.c: | |
| 918 Rename __main() to cyg_hal_invoke_constructors() to prevent the | |
| 919 implied link with things called, or related to main(). Remove static | |
| 920 initialised variable as we can now guarantee it is only called | |
| 921 once. | |
| 922 | |
| 923 * src/vectors.S: | |
| 924 Instead of calling main(), call cyg_start() which lives in the infra | |
| 925 package. | |
| 926 Explicitly invoke constructors as it isn't done magically for us | |
| 927 any more, now that main() is no longer used. | |
| 928 | |
| 929 | |
| 930 1998-08-25 Nick Garnett <nickg@cygnus.co.uk> | |
| 931 | |
| 932 * src/vectors.S: | |
| 933 Now pass pointer to saved registers as third argument to | |
| 934 interrupt_end(). | |
| 935 | |
| 936 * include/hal_arch.h: | |
| 937 Added macros to support GDB. | |
| 938 | |
| 939 Tue Aug 25 02:33:59 1998 Jonathan Larmour <jlarmour@cygnus.co.uk> | |
| 940 | |
| 941 * include/mips_stub.h, src/hal_misc.c: | |
| 942 Add void to prototypes and typedefs that want it to silence warnings | |
| 943 | |
| 944 1998-08-21 Nick Garnett <nickg@cygnus.co.uk> | |
| 945 | |
| 946 * include/hal_cache.h: | |
| 947 Now includes cyg_type.h rather than ktypes.h. | |
| 948 | |
| 949 1998-08-18 Nick Garnett <nickg@cygnus.co.uk> | |
| 950 | |
| 951 * src/context.S: | |
| 952 * include/hal_arch.h: | |
| 953 * include/hal_io.h: | |
| 954 * include/hal_intr.h: | |
| 955 Now uses cyg_type.h rather than ktypes.h. | |
| 956 | |
| 957 * src/hal_misc.c: | |
| 958 * src/vectors.S: | |
| 959 Now uses hal.h rather than kernel.h. | |
| 960 | |
| 961 1998-07-23 Nick Garnett <nickg@cygnus.co.uk> | |
| 962 | |
| 963 * include/hal_intr.h: Fixed some issues raised bt code review. | |
| 964 | |
| 965 * src/context.S: | |
| 966 * include/hal_arch.h: Fixed some typos raised by code review. | |
| 967 | |
| 968 * include/hal_intr.h (HAL_INTERRUPT_MASK): | |
| 969 * src/vectors.S (hal_interrupt_level): Added hal_interrupt_level | |
| 970 to allow for interaction between HAL_INTERRUPT_UNMASK() and | |
| 971 HAL_INTERRUPT_SET_LEVEL(). | |
| 972 | |
| 973 | |
| 974 //=========================================================================== | |
| 975 //####COPYRIGHTBEGIN#### | |
| 976 // | |
| 977 // ------------------------------------------- | |
| 978 // The contents of this file are subject to the Cygnus eCos Public License | |
| 979 // Version 1.0 (the "License"); you may not use this file except in | |
| 980 // compliance with the License. You may obtain a copy of the License at | |
| 981 // http://sourceware.cygnus.com/ecos | |
| 982 // | |
| 983 // Software distributed under the License is distributed on an "AS IS" | |
| 984 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the | |
| 985 // License for the specific language governing rights and limitations under | |
| 986 // the License. | |
| 987 // | |
| 988 // The Original Code is eCos - Embedded Cygnus Operating System, released | |
| 989 // September 30, 1998. | |
| 990 // | |
| 991 // The Initial Developer of the Original Code is Cygnus. Portions created | |
| 2 | 992 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
| 0 | 993 // ------------------------------------------- |
| 994 // | |
| 995 //####COPYRIGHTEND#### | |
| 996 //=========================================================================== |