| 2020-06-02 |
Luke Kenneth Casson... | Revert "ok ok - for OP_BCREG put CTR in spr2 as well"
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | ok ok - for OP_BCREG put CTR in spr2 as well
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | set up CTR and LR only on BCREG when needed
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | decode fast spr for OP_BCREG CTR, TAR and LR
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | add TODO comments for read_fast1/2
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | argh overlapping commits on submodule (rebase did not...
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | debugging branch fast registers
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | add comment about fast1 and fast2 in branch test_pipe_caller
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | add regspecmap function to PowerDecode2
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | move regspec function to separate module
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | add in fast regs support in decoder and into regspec_decode
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | add 2nd write-reg for LD/ST Update mode
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | add write-regs encoding to regspec decoder
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | add read-write register numbering detection
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | whoops cut/paste error, creating write_ports not read_ports
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | whoops syntax error
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | add function expressing the relationship between regspecs...
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | whitespace
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | rename regspecs to give a consistent naming scheme
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | add MSR constants, TODO translated
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commit | commitdiff | tree |
| 2020-06-02 |
Luke Kenneth Casson... | add TODO comments from microwatt source code
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | remove reading port 3 for CR pipeline. RS moved to...
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | okaaay add a "rdflags" function which obtains the yes...
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | add test_bc_reg (fails)
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | remove unneeded fields from Decode2Execute1Type
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | more unneeded fields from SR InputRecord
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | remove data_len from SR input record
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | remove zero/invert from ShiftRot Input Record
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | add shift-rot input record and use it
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | CompBROpSubset exists
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | RS moved to port 1 (from port 3), remove need in ALU...
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | remove use of reg3 in logical pipeline: CSV files moved...
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | rotator carry is set into both XER CA and CA32 fields
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | comment out rlwinm. for now
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | argh - need to zero the src_i input after "Read" is...
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | put RB in 2nd position (matching immediate) in ShiftRot...
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | sigh - another instance where write-mask needed to...
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | remove xer so/ov, swap rs/rb to correct(?) order in...
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | add rlwinm. test instruction (sets CR0)
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | remove duplicate signal
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | allow ALU / Logical ops to select RS as 1st operand
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | allow M*-Form shiftrot to swap RS/RB back to consistent...
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | add first version of ShiftRot CompUnit test
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | shiftrot uses LogicalOutputData not ALUOutputData
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | add assertions for branch compunit output
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | invert SPR1/2 in branch output data
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | decode SPRs for branch
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | swap over SPR1/2 to fit with microwatt SPR conventions
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | add first version compunit branch test
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | whoops need to read RS in CR inputs test
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | add first version of CR CompUnit test
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | minor adjustment, zero test in ALU output stage
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commit | commitdiff | tree |
| 2020-06-01 |
Luke Kenneth Casson... | remove unneeded code
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | bit-test on the function-unit value being tested
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | update isatables to cmpb not modifying CR0
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | add logical compunit test
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | comment inputs and outputs from ALU unit test
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | imports - use of globals. baaaad
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | remove unneeded code and inputs. convert to "naming...
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | split out common code from test_alu_compunit.py
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | add comments for MultiCompUnit parallel test
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | de-hard-code-ify getting results from MultiCompUnit
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | remove unneeded imports
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | split out compalu unit tests to separate module (getting...
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | HA! found a bug in MultiCompUnit handling of write...
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | clarify
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | OP_CMPEQB also requesting change of output reg (stop...
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | OP_CMP is requesting a change of the output register...
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | still investigating
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | start with zero, try not to compare against 9 bytes...
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | more debug statements
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | add in more CR debug statements
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | copy in cr0.data into cr0 temp, not whole of cr0 (including...
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | remove commented-out vars from ALU input record
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | write cr0 when op.write_cr.ok is set
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | add write_cr to ALU record subset
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commit | commitdiff | tree |
| 2020-05-31 |
Luke Kenneth Casson... | comment out xer ov/so for now
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | get carry from cr write_cr
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | select CR0 write out only when RC=1
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | set CR0 output when OP_CMP or OP_CMPEQB need it
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | add in use of "Settle"
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | add in write-mask into MultiCompUnit and MCU-ALU unit...
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | create read-mask for ALU CompUnit: switches off optional...
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | create a write-mask, anything with an "ok" in the Record...
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | allow MultiCompUnit outputs to be Records, to capture...
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | add read-mask to MultiCompUnit
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | code-shuffle / comments
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | mess - but a functional mess. ALU-MultiCompUnit semi...
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | grab other results from ALU pipeline in compunit test
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | order of XER so/ca wrong way round from regspec
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commit | commitdiff | tree |
| 2020-05-30 |
Luke Kenneth Casson... | still experimenting with ALU-CompUnit interaction
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commit | commitdiff | tree |
| 2020-05-29 |
Luke Kenneth Casson... | interesting. use of Settle() works, showing that Regfile...
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commit | commitdiff | tree |
| 2020-05-29 |
Luke Kenneth Casson... | module comments for popcount
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commit | commitdiff | tree |
| 2020-05-29 |
Luke Kenneth Casson... | comments on popcount
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commit | commitdiff | tree |
| 2020-05-29 |
Luke Kenneth Casson... | trigger ALU ready when operands ready
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commit | commitdiff | tree |
| 2020-05-29 |
Luke Kenneth Casson... | trigger read ALU ready/valid from latch as well
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commit | commitdiff | tree |
| 2020-05-29 |
Luke Kenneth Casson... | use a latch to communicate read/valid output from ALU
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commit | commitdiff | tree |
| 2020-05-29 |
Luke Kenneth Casson... | latch all output on ALU output valid
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commit | commitdiff | tree |
| 2020-05-29 |
Luke Kenneth Casson... | create read-done pulse
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commit | commitdiff | tree |
| 2020-05-29 |
Luke Kenneth Casson... | write-release moves out of "ALU valid" due to using...
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commit | commitdiff | tree |
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