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Rev Log message Author Age Path
31 - Added PC_RESET_VECTOR constant. cwalter 6483d 06h /
30 - Top level testbench for RISE. cwalter 6483d 06h /
29 - Initial version of IF stage with dummy instructions. cwalter 6483d 06h /
28 Added new register write enable signals. jlechner 6485d 00h /
27 Added new register write enable signals to component instantiation of register_file and wb_stage. jlechner 6485d 00h /
26 Applied VHDL indent. jlechner 6485d 00h /
25 netlist file for the memories
is needed for IMEM and DMEM
ustadler 6486d 00h /
24 4k Data Instruction for Spartan 3 (Block RAM)
Added write enable to the entity
ustadler 6486d 00h /
23 4k Data Memory for Spartan 3 (Block RAM)
Added write enable to the entity
ustadler 6486d 00h /
22 testbench für die register file ustadler 6486d 13h /
21 überarbeitet. asynchrones lesen und synchrones schreiben. dreg_enable, sr_enable und lr_enable zur entity hinzugefügt ustadler 6487d 01h /
20 - Fixed bug where SR fetch code locked wrong register. cwalter 6487d 03h /
19 Version 1.2 der register file ustadler 6487d 10h /
18 Update of pipeline schematics:
- Fixed errors
- Changed names of some signals so they are equal with VHDL code
- Added second register lock port
jlechner 6488d 05h /
17 - Added new tests for pipeline stall signal.
- Added tests for register locking.
- Added tests for OPCODE_ST_DISP, OPCODE_ADD, OPCODE_ADD_IMM
OPCODE_SUB_IMM, OPCODE_NEG, OPCODE_ARS and OPCODE_ALS.
cwalter 6490d 03h /
16 - Added second register locking port reg_lock1 to RLU. cwalter 6490d 03h /
15 - Added second register locking port reg_lock1.
- Added function to check if the instruction modifies the SR register.
- Fetch of SR now checks if the SR is modified and if yes the SR register
is marked as locked.
- Stall signal for pipeline is now generated correctly.
- Stall input is now checked. If asserted the current output values are hold
until the stall signal is deasserted.
cwalter 6490d 03h /
14 - Renamed clear/set_reg_lock to clear/set_reg_lock0.
- Added second register locking port reg_lock1.
cwalter 6490d 03h /
13 - Testbench now implements a simple register file.
- Added new tests for OPCODE_LD_DISP, OPCODE_LD_DISP_MS
OPCODE_LD_REG.
cwalter 6493d 01h /
12 - Added constant definitions for SR, PC and LR register. cwalter 6493d 01h /

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