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Linux-capable SoC platform with a custom ARMv4 quad-core SMP CPU, coherent caches, and a 3D graphics accelerator. Synthesizes for Terasic DE-series FPGA boards. Simulated with Verilator.
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2022-12-16
Fix privilege escalation while in user mode
Alejandro Soto
2022-12-16
Add interrupt controller to Platform Designer
Alejandro Soto
2022-12-16
Implement swi (system call)
Alejandro Soto
2022-12-16
Implement branch history (simulation only)
Alejandro Soto
2022-12-16
Fix register corruption when interrupting a load-store
Alejandro Soto
2022-12-16
Implement interrupt emulation
Alejandro Soto
2022-12-16
Implement IRQ exceptions
Alejandro Soto
2022-12-16
Implement prefetch aborts
Alejandro Soto
2022-12-16
Implement data aborts
Alejandro Soto
2022-12-10
Expose cp15 signals to core toplevel
Alejandro Soto
2022-12-09
Implement cp15 control
Alejandro Soto
2022-12-07
Fix register-indirect shifts
Alejandro Soto
2022-12-07
Implement single-stepping
Alejandro Soto
2022-12-06
Implement breakpoints
Alejandro Soto
2022-11-16
Implement privilege escalation
Alejandro Soto
2022-11-16
Implement psr read/write logic
Alejandro Soto
2022-11-16
Simplify flags datapath
Alejandro Soto
2022-11-16
Fix final_writeback condition bug
Alejandro Soto
2022-11-15
Implemente byte-enable signal in stores
Alejandro Soto
2022-11-15
Fix false undefined exception
Alejandro Soto
2022-11-15
Implement sub-word memory accesses
Alejandro Soto
2022-11-15
Rewrite duplicate ldst logic as signal ldst_next
Alejandro Soto
2022-11-13
Fix big Quartus state transition bug
Alejandro Soto
2022-11-13
Convert core state machines to Quartus-inferring RTL
Alejandro Soto
2022-11-13
Implement CPU halt
Alejandro Soto
2022-11-13
Simplify stall conditions to reflect uarch changes
Alejandro Soto
2022-11-10
Fix reset glitches
Alejandro Soto
2022-11-09
Implement reset
Alejandro Soto
2022-11-08
Register decode output in a new porch stage
Alejandro Soto
2022-11-08
Refactor decode signals into unified insn_decode struct
Alejandro Soto
2022-11-07
Remove false dependencies on control.issue (long combinational)
Alejandro Soto
2022-11-07
Rework regfile in order to remove negedge trigger
Alejandro Soto
2022-11-07
Quartus has not support for unique0
Alejandro Soto
2022-11-07
Implement multiplication control
Alejandro Soto
2022-11-06
Add PSR control signal set
Alejandro Soto
2022-11-06
Clean-up control.sv
Alejandro Soto
2022-11-06
Move CP15 logic out of control.sv
Alejandro Soto
2022-11-06
Move multiplication logic out of control.sv
Alejandro Soto
2022-11-06
Move load-store logic out of control.sv
Alejandro Soto
2022-11-06
Split regfile read select logic out of control.sv
Alejandro Soto
2022-11-06
Move exception logic out of control.sv
Alejandro Soto
2022-11-06
Move flag update logic to writeback.sv
Alejandro Soto
2022-11-06
Split ALU/shifter control logic out of control.sv
Alejandro Soto
2022-11-06
Split branch logic out of control.sv
Alejandro Soto
2022-11-06
Multiplex writeback control signals
Alejandro Soto
2022-11-06
Split issue logic out of control.sv
Alejandro Soto
2022-11-01
Add the cp15 subsystem
Alejandro Soto
2022-11-01
Add MUL control cycle
Alejandro Soto
2022-11-01
Replace decode enable signals with datapath signals
Alejandro Soto
2022-10-31
Display undefined instruction messages in simulation
Alejandro Soto
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