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2022-12-08Fix decoding of msr with immediate operandAlejandro Soto
2022-12-07Implement single-steppingAlejandro Soto
2022-12-06Implement breakpointsAlejandro Soto
2022-11-16Implement bx lrAlejandro Soto
2022-11-16Implement psr read/write logicAlejandro Soto
2022-11-16Finish decode of psr operationsAlejandro Soto
2022-11-16Fix decoding of LDST_MISC groupAlejandro Soto
2022-11-10Fix reset glitchesAlejandro Soto
2022-11-08Improve ALU performanceAlejandro Soto
2022-11-08Register decode output in a new porch stageAlejandro Soto
2022-11-08Rename datapath_decode as ctrl_decodeAlejandro Soto
2022-11-08Refactor decode signals into unified insn_decode structAlejandro Soto
2022-11-07Fix flags hazard in ADC, SBC, RSCAlejandro Soto
2022-11-07Quartus has not support for unique0Alejandro Soto
2022-11-07Implement multiplication controlAlejandro Soto
2022-11-07Split decode mux logic out of decode.svAlejandro Soto
2022-11-06Add PSR control signal setAlejandro Soto
2022-11-06Implement decode for mrs, msrAlejandro Soto
2022-11-01Implement coprocessor instruction decodeAlejandro Soto
2022-11-01Replace decode enable signals with datapath signalsAlejandro Soto
2022-11-01Implement multiplication decodeAlejandro Soto
2022-10-23Pack general control signals as struct datapath_decodeAlejandro Soto
2022-10-23Move signal `uses_rn` to struct data_decodeAlejandro Soto
2022-10-23Move branch control signals to struct branch_decodeAlejandro Soto
2022-10-23Enforce UND exceptions when SBZ is not followed in data-processing instructionsAlejandro Soto
2022-10-23Fix zero-extended (lsr) vs sign-extended (asr) shiftsAlejandro Soto
2022-10-23Fix bad decoding of second-operand immediatesAlejandro Soto
2022-10-18Implement branch with linkAlejandro Soto
2022-10-18Implement undefined instruction exceptionsAlejandro Soto
2022-10-17Break false dependency on r0 for MOV/MVNAlejandro Soto
2022-10-17Fix unsafe decode signalsAlejandro Soto
2022-10-16Move isa.sv to core/decodeAlejandro Soto
2022-10-15Fix flags and writeback hazardsAlejandro Soto
2022-10-09Implement most memory transactionsAlejandro Soto
2022-10-08Implement LDR/STR decodeAlejandro Soto
2022-10-02Split decoding of flexible second operand out of data instructionsAlejandro Soto
2022-10-02Major shifter-ALU redesignAlejandro Soto
The shifter unit now works in parallel with the ALU and is no longer part of it. Instructions that use the shifter as input to the ALU will now take an additional cycle, unless the control unit can detect a "trivial shift" situation where the shifter's output will be the same as its input. This change improves Fmax substantially.
2022-09-27Fix branching bugsAlejandro Soto
2022-09-26Fix shifter addressing modesAlejandro Soto
2022-09-25Implement shifter decodingAlejandro Soto
2022-09-25Implement flag updatesAlejandro Soto
2022-09-25Refactor CPSR and uarch.svAlejandro Soto
2022-09-25Fix Quartus issuesAlejandro Soto
2022-09-25Implement ALU opcode decodingAlejandro Soto
2022-09-25Implement branch handling in decodeAlejandro Soto
2022-09-25Use word/ptr instead of logic[..]Alejandro Soto
2022-09-24Implement initial decoderAlejandro Soto
2022-09-24Implement decode of branch instructionsAlejandro Soto
2022-09-24Implement decode of ALU instructionsAlejandro Soto
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