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[/] [ion/] [trunk/] [src/] [opcodes/] - Rev 177

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Rev Log message Author Age Path
168 Updated 'opcodes' simulation script to NOT use simulated mips32 instructions and trap instead (as the real CPU does) ja_rd 4774d 03h /ion/trunk/src/opcodes/
165 Added (very early draft, very incomplete) reserved opcode trap handler.
Updated opcode tester to test some emulated mips32 opcodes using the trap handler.		 ja_rd 4779d 13h /ion/trunk/src/opcodes/
152 Added R3000 compatible support for kernel/user state:
- Implemented KU/IE plus KUp/IEp and KUo/IEo status bits
- Updated startup and test code to account for changes
- Implemented bit DID NOT TEST rfe instruction (not used in code)
- Access to CP0 in user mode triggers 'CpU' trap
- Updated software simulator

Besides, the logging of HI/LO register changes has been temporarily disabled, there's an unfixed bug in it.		 ja_rd 4783d 09h /ion/trunk/src/opcodes/
150 Bug fix: added missing nop in vacant branch delay slot ja_rd 4784d 07h /ion/trunk/src/opcodes/
148 Added optional cache support to 'opcodes' test.
Updated simulation length accordingly.		 ja_rd 4785d 22h /ion/trunk/src/opcodes/
110 Updated 'opcodes' code sample:
- Longer simulated time for compatibility to new cache		 ja_rd 4846d 12h /ion/trunk/src/opcodes/
106 SW samples updated:
- Added batch files for running the SW simulation		 ja_rd 4850d 12h /ion/trunk/src/opcodes/
90 Added 'Adventure' demo to be run from the DE-1 FLASH ja_rd 4890d 09h /ion/trunk/src/opcodes/
66 Code samples:
Updated all code samples to use TB2 template and new memory map		 ja_rd 4900d 23h /ion/trunk/src/opcodes/
38 Minor changes in header comments ja_rd 4907d 08h /ion/trunk/src/opcodes/
34 default data address moved to 0x80000000
makefiles and readme files updated accordingly		 ja_rd 4907d 08h /ion/trunk/src/opcodes/
29 opcode test updated:
supports CP0 cause register and traps in delay slots
tests that traps abort next instruction in all cases		 ja_rd 4909d 06h /ion/trunk/src/opcodes/
25 opcode test:
HO and LO registers tested along with mul/div and not separately		 ja_rd 4909d 11h /ion/trunk/src/opcodes/
24 changes in simulation test benches:
Simulation length now configurable from the python script
Console output logged to file, not to modelsim's window		 ja_rd 4909d 11h /ion/trunk/src/opcodes/
14 Opcode test now has mul/div tests enabled by default ja_rd 4910d 22h /ion/trunk/src/opcodes/
9 Trap handling now works as in the MIPS specs:
EPC points to victim instruction (break/syscall)
Opcode test modified accordingly		 ja_rd 4911d 23h /ion/trunk/src/opcodes/
4 New test for BREAK: abortion of load and jump
Added comment to readme file		 ja_rd 4912d 02h /ion/trunk/src/opcodes/
2 First commit (includes 'hello' demo) ja_rd 4912d 11h /ion/trunk/src/opcodes/

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