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