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[/] [ion/] [trunk/] [vhdl/] - Rev 101

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Rev Log message Author Age Path
101 FIX: code_rd_vma asserted only after reset is done
ADDED cache control bits to CP0 status register
ADDED cache control outputs
ja_rd 4845d 05h /ion/trunk/vhdl/
98 CPU rd and wr data address buses unified ja_rd 4869d 15h /ion/trunk/vhdl/
96 CPU rd and wr data address buses unified ja_rd 4869d 15h /ion/trunk/vhdl/
95 BUG FIX: cache stub properly handles all kind of cycles now ja_rd 4880d 11h /ion/trunk/vhdl/
94 Pregenerated demo 'hello' files updated ja_rd 4880d 11h /ion/trunk/vhdl/
85 BUG FIX: log2 function was wrong ja_rd 4880d 11h /ion/trunk/vhdl/
84 Added 'trigger address' for file logging to both the
vhdl TB and the python script
ja_rd 4880d 11h /ion/trunk/vhdl/
83 BUG FIX: LHU was not doing sign extension properly
BUG FIX: SLTIU decoding was wrong
ja_rd 4880d 11h /ion/trunk/vhdl/
82 bug fix: SLTI wasn't working properly in some cases ja_rd 4882d 12h /ion/trunk/vhdl/
81 Added a wait state to the SRAM area for the DE-1 demo code ja_rd 4889d 06h /ion/trunk/vhdl/
80 Stub cache fixed
Now supports code refills from static 16- and 8- bit memory
Plus many mirror corrections
ja_rd 4889d 06h /ion/trunk/vhdl/
76 Adapted pregenerated vhdl files to latest changes ja_rd 4890d 09h /ion/trunk/vhdl/
75 Added support for 8-bit-wide static memory (e.g. Flash)
Updated demo 'top' file to use the DE-1 onboard flash
ja_rd 4890d 09h /ion/trunk/vhdl/
74 Fixed (harmless) error in simulation template 2 ja_rd 4890d 13h /ion/trunk/vhdl/
73 Fixed comment about write cycles in cache module ja_rd 4890d 13h /ion/trunk/vhdl/
72 Fixed stupid bug in SRAM write cycles (setup time violated)
Wait states implemented for SRAM wait and read cycles
ja_rd 4890d 13h /ion/trunk/vhdl/
68 Updated pre-generated vhdl files ja_rd 4891d 01h /ion/trunk/vhdl/
64 Refactored memory decoding logic
(wait states and read-only attributes unimplemented yet)
ja_rd 4891d 01h /ion/trunk/vhdl/
63 DE-1 demo top module:
added registers for SD interface, switches and 7-seg display
ja_rd 4891d 01h /ion/trunk/vhdl/
62 CPU fixed:
fixed bug in EPC load logic relative to mem_wait stalls
parametrized reset and trap vector addresses
ja_rd 4891d 01h /ion/trunk/vhdl/

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