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[/] [or1k/] [tags/] [nog_patch_68/] [or1ksim/] [cpu/] [or1k/] [except.c] - Rev 221

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221 major changes to testbench; debug unit is moved to /debug; memory organization can be customized; UART from simons; overall cleanup markom 8314d 22h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
182 updated exception handling procedures chris 8363d 02h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
167 - SPR values corrected
- testbenches now work
- lot of optimizations, use --disable-debugmod for optimal performance
- some tick timer bugs fixed		 markom 8391d 18h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
152 Breakpoint exceptions from single step are not printed now. chris 8434d 02h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
139 Modifications for functional gdb chris 8435d 20h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
133 moved header files to match other utilities
repaired l.sra and some other shifting instructions
started build_automata for binary instruction decode		 markom 8441d 22h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
128 Added code to check debug unit after an exception chris 8442d 21h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
123 Bugs fixed:
- l.rfe temporarly disables exceptions
- l.sys does PC -= 4
- breakpoints now supported at peripheria locations
- uart0.rt/.tx nonexistent file segment fault

Other modifications:
- replaced string names to instruction indexes
- execute.c executes specified (in ISA table) function
- modified ISA table - flag needed for gdb
- added or32.c, which supports or32.h
- added new instructions l.mac, l.msb, l.maci, l.macrc
and their executing functions (opcodes to be revisited)
- added header acconfig.h
- modified configuration files		 markom 8448d 19h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
82 Changed pctemp to pcnext. lampret 8520d 19h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
77 Regular update. lampret 8674d 01h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
64 SPR bit definition moved to spr_defs.h. lampret 8693d 01h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
51 Exception detection changed a bit. lampret 8804d 21h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
43 SUPV bit from SR is now saved into EPCR bit 0. lampret 8815d 06h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c
33 Handling of or1k exceptions. lampret 8820d 07h /or1k/tags/nog_patch_68/or1ksim/cpu/or1k/except.c

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