soc.git
2019-06-01 Luke Kenneth... multi-bit LD?ST and add go_die
2019-05-31 Luke Kenneth... issue from q is combinatorial so do not need set to...
2019-05-31 Luke Kenneth... use instruction issue queue to get instructions into...
2019-05-31 Luke Kenneth... got instruction queue working
2019-05-30 Luke Kenneth... leave off number being subtracted from "ready_o" calcul...
2019-05-30 Luke Kenneth... add instruction queue test
2019-05-30 Luke Kenneth... do instruction q as array of (flat) Signals, add in...
2019-05-30 Luke Kenneth... flatten instruction queue using a shift register
2019-05-29 Luke Kenneth... remove unneeded imports
2019-05-29 Luke Kenneth... remove Shadow class, replace with ShadowFn, use multi...
2019-05-29 Luke Kenneth... return to SRLatches for DependencyRow, simplifies ...
2019-05-29 Luke Kenneth... remove FU Dep Cell, go back to SRLatch direct
2019-05-29 Luke Kenneth... wire up FU-FU matrix using inverted row/col
2019-05-29 Luke Kenneth... make FU-FU DepCell a row
2019-05-29 Luke Kenneth... do dependency row as multi-bit SRLatch
2019-05-29 Luke Kenneth... add start of instruction queue
2019-05-29 Luke Kenneth... wait for individual batch-units rather than the global...
2019-05-29 Luke Kenneth... whoops wrong mask for branch instruction decode
2019-05-29 Luke Kenneth... get issue logic working for issue unit array
2019-05-29 Luke Kenneth... latch opcode on instruction issue
2019-05-29 Luke Kenneth... use opcode-base issue units, parallel units
2019-05-29 Luke Kenneth... add docstring
2019-05-29 Luke Kenneth... group computation units together
2019-05-27 Luke Kenneth... remove waw stall from issue unit
2019-05-27 Luke Kenneth... add an IssueUnitGroup which has a priority picker
2019-05-27 Luke Kenneth... stop on shadow for the moment
2019-05-26 Luke Kenneth... have to bring in a reset signal into the shadow units...
2019-05-25 Luke Kenneth... separate out go_die from go_rd/go_wr to stop reg read...
2019-05-25 Luke Kenneth... get fake branch delay time working
2019-05-25 Luke Kenneth... whoops, operation supposed to be tested, not counter
2019-05-25 Luke Kenneth... branch success/fail nearly there
2019-05-25 Luke Kenneth... experimenting with branch shadowing
2019-05-25 Luke Kenneth... add branch speculation using shadows
2019-05-24 Luke Kenneth... use internal latch qlq value instead of creating a...
2019-05-24 Luke Kenneth... remove dummy values for branch setup
2019-05-24 Luke Kenneth... replace m.d.comb += with comb += etc. increases readability
2019-05-24 Luke Kenneth... remove unneeded import
2019-05-24 Luke Kenneth... use create_random_ops function
2019-05-24 Luke Kenneth... add in branch speculation recorder, link to branch
2019-05-24 Luke Kenneth... add branch speculation record
2019-05-24 Luke Kenneth... make bgt accessible outside of CU
2019-05-24 Luke Kenneth... check that bgt test ALU works
2019-05-24 Luke Kenneth... add delay on branches
2019-05-24 Luke Kenneth... remove unneeded code
2019-05-24 Luke Kenneth... add delay on branches
2019-05-24 Luke Kenneth... work on branch simulation logic
2019-05-24 Luke Kenneth... reset shadow latches if neither success nor fail are...
2019-05-24 Luke Kenneth... split out shared wait for issue and wait for busy clear...
2019-05-24 Luke Kenneth... make a start on a branch simulator
2019-05-24 Luke Kenneth... add simple branch-compare example ALU
2019-05-24 Luke Kenneth... add priority picker docstring
2019-05-24 Luke Kenneth... cleanup, docstrings
2019-05-23 Luke Kenneth... shadow seems to do the job of guaranteeing write-after...
2019-05-23 Luke Kenneth... set up the shadow grid
2019-05-23 Luke Kenneth... only want a single-bit transition
2019-05-23 Luke Kenneth... add in busy_prev/next signal to work out which unit...
2019-05-23 Luke Kenneth... shadow fail/good signals need to be amalgamated (shadow...
2019-05-23 Luke Kenneth... make shadow inputs/good/fail arrays (actual matrix...
2019-05-23 Luke Kenneth... decide to do write-after-write shadows
2019-05-23 Luke Kenneth... connect FUFU/FURegs Matrices to resettable go_rd/go_wr...
2019-05-23 Luke Kenneth... start wiring up shadow matrix
2019-05-23 Luke Kenneth... re-enable shadow/go_die
2019-05-23 Luke Kenneth... whoops disconnected go_wr from CUs by mistake
2019-05-23 Luke Kenneth... add shadow matrix (unconnected)
2019-05-23 Luke Kenneth... add shadow matrix, array of shadow functions
2019-05-23 Luke Kenneth... add in shadown and go_die into comp unit
2019-05-23 Luke Kenneth... split out shadow into separate module
2019-05-22 Luke Kenneth... sort out counter, rename data_o to data_r (register...
2019-05-22 Luke Kenneth... invert write pending before use
2019-05-22 Luke Kenneth... testing if hazard can be done in current cycle
2019-05-22 Luke Kenneth... use global pending vectors for read/write pending accum...
2019-05-22 Luke Kenneth... clean up names, also note that readable is true if...
2019-05-22 Luke Kenneth... use shifter opcode
2019-05-22 Luke Kenneth... ignore self-to-self read and write pending hazards
2019-05-22 Luke Kenneth... read-after-write self-referring hazard
2019-05-22 Luke Kenneth... allow loops to run instruction batches more than once
2019-05-22 Luke Kenneth... WaW needs to stall
2019-05-22 Luke Kenneth... wait for busy to go LOW before ending
2019-05-22 Luke Kenneth... experiment with different completion times
2019-05-22 Luke Kenneth... add in 2 more ALUs, now 4x4 scoreboard
2019-05-22 Luke Kenneth... add mul and shift to simulation
2019-05-22 Luke Kenneth... add extra regression test
2019-05-22 Luke Kenneth... add div and shift (as experiment)
2019-05-22 Luke Kenneth... have to stop forward progress if issue is set
2019-05-22 Luke Kenneth... random regression test shows an inter-dependency fail
2019-05-21 Luke Kenneth... working on all cycles, RaW / WaR
2019-05-21 Luke Kenneth... got working (sort-of) cscore6600
2019-05-21 Luke Kenneth... got working (sort-of) cscore6600
2019-05-21 Luke Kenneth... add read/write reg select vectors, in and out, similar...
2019-05-20 Luke Kenneth... use dep cell format
2019-05-20 Luke Kenneth... invert x/y in fu pending
2019-05-20 Luke Kenneth... nearly there with readable/writable on FU matrix
2019-05-20 Luke Kenneth... attempting to work out FU-FU matrix connections
2019-05-20 Luke Kenneth... include hazard line to swap rd/wr dependencies
2019-05-19 Luke Kenneth... non-overlapping instructions ok
2019-05-19 Luke Kenneth... sync ok on simple add
2019-05-19 Luke Kenneth... add reg clearing and read-request release
2019-05-19 Luke Kenneth... use register-based DepCell
2019-05-19 Luke Kenneth... creating separate dependency cell which can be used...
2019-05-19 Luke Kenneth... experiment switching over fwd and rsel in dependency...
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