soc.git
4 years agocheck cr0, ov and ca ok signals in ALU main_stage proof
Luke Kenneth Casson Leighton [Wed, 27 May 2020 15:27:51 +0000 (16:27 +0100)]
check cr0, ov and ca ok signals in ALU main_stage proof

4 years agoadd carry-out, overflow and cr0 ok setting in ALU main_stage
Luke Kenneth Casson Leighton [Wed, 27 May 2020 15:19:31 +0000 (16:19 +0100)]
add carry-out, overflow and cr0 ok setting in ALU main_stage

4 years agoadd SRR0 to TrapInputData
Luke Kenneth Casson Leighton [Wed, 27 May 2020 14:48:40 +0000 (15:48 +0100)]
add SRR0 to TrapInputData

4 years agoadd links to bugreports into ALu formal proof as well
Luke Kenneth Casson Leighton [Wed, 27 May 2020 14:35:09 +0000 (15:35 +0100)]
add links to bugreports into ALu formal proof as well

4 years agoadd links to bugreports into alu output stage proof
Luke Kenneth Casson Leighton [Wed, 27 May 2020 14:34:01 +0000 (15:34 +0100)]
add links to bugreports into alu output stage proof

4 years agocheck reg output Data.ok in shift_rot formal proof
Luke Kenneth Casson Leighton [Wed, 27 May 2020 14:28:30 +0000 (15:28 +0100)]
check reg output Data.ok in shift_rot formal proof

4 years agorename CROutputData.cr_o to just CROutputData.cr
Luke Kenneth Casson Leighton [Wed, 27 May 2020 14:16:43 +0000 (15:16 +0100)]
rename CROutputData.cr_o to just CROutputData.cr

4 years agotest Data.ok for cr output and full cr output
Luke Kenneth Casson Leighton [Wed, 27 May 2020 14:15:14 +0000 (15:15 +0100)]
test Data.ok for cr output and full cr output

4 years agoassign and test on Data, TODO add Data.ok checking in CR proof
Luke Kenneth Casson Leighton [Wed, 27 May 2020 14:10:00 +0000 (15:10 +0100)]
assign and test on Data, TODO add Data.ok checking in CR proof

4 years agoFix bug in alu main stage proof
Michael Nolan [Wed, 27 May 2020 14:00:57 +0000 (10:00 -0400)]
Fix bug in alu main stage proof

4 years agoMove test case parameters to an "operation" member function
Cesar Strauss [Wed, 27 May 2020 10:06:37 +0000 (07:06 -0300)]
Move test case parameters to an "operation" member function

This allows running several operation cases in succession, without needing
to restart the processes, losing state and trace history.

I expect the need to synchronize the processes for each new operation.

4 years agoMerge branch 'master' of ssh://git.libre-riscv.org:922/soc
Tobias Platen [Wed, 27 May 2020 09:27:19 +0000 (11:27 +0200)]
Merge branch 'master' of ssh://git.libre-riscv.org:922/soc

4 years agoelaborate function for DataMerger
Tobias Platen [Wed, 27 May 2020 09:27:06 +0000 (11:27 +0200)]
elaborate function for DataMerger

4 years agoRemove the monitor process
Cesar Strauss [Wed, 27 May 2020 09:23:58 +0000 (06:23 -0300)]
Remove the monitor process

It may be useful for debugging, but GTKWave is better.
It has served well its purpose, when first setting up the simulation.
Can be added back if needed.

4 years agomake power function unit enum bitmasked
Luke Kenneth Casson Leighton [Wed, 27 May 2020 02:45:40 +0000 (03:45 +0100)]
make power function unit enum bitmasked

4 years agoadd extra INT regs port for now, add Fast Regfile
Luke Kenneth Casson Leighton [Wed, 27 May 2020 00:40:34 +0000 (01:40 +0100)]
add extra INT regs port for now, add Fast Regfile

4 years agoadded XER and CR regfiles, using new VirtualRegPort
Luke Kenneth Casson Leighton [Wed, 27 May 2020 00:34:31 +0000 (01:34 +0100)]
added XER and CR regfiles, using new VirtualRegPort

4 years agocheck assertions
Luke Kenneth Casson Leighton [Tue, 26 May 2020 23:47:53 +0000 (00:47 +0100)]
check assertions

4 years agomake read/write regs properly internal
Luke Kenneth Casson Leighton [Tue, 26 May 2020 23:40:02 +0000 (00:40 +0100)]
make read/write regs properly internal

4 years agoadd VirtualRegPort test, seems to demonstrate it working
Luke Kenneth Casson Leighton [Tue, 26 May 2020 23:14:07 +0000 (00:14 +0100)]
add VirtualRegPort test, seems to demonstrate it working

4 years agoremove sync (not needed)
Luke Kenneth Casson Leighton [Tue, 26 May 2020 22:24:16 +0000 (23:24 +0100)]
remove sync (not needed)

4 years agoget score6600_multi.py working again
Luke Kenneth Casson Leighton [Tue, 26 May 2020 22:17:18 +0000 (23:17 +0100)]
get score6600_multi.py working again

4 years agoredo focus of virtual reg port to do only full datawidth not share with mini-regs
Luke Kenneth Casson Leighton [Tue, 26 May 2020 22:02:47 +0000 (23:02 +0100)]
redo focus of virtual reg port to do only full datawidth not share with mini-regs

4 years agoAdd extras from bottom of the file
Michael Nolan [Tue, 26 May 2020 18:03:30 +0000 (14:03 -0400)]
Add extras from bottom of the file

4 years agoRewrite proof to be more in line with what appears in the wiki
Michael Nolan [Tue, 26 May 2020 17:33:19 +0000 (13:33 -0400)]
Rewrite proof to be more in line with what appears in the wiki

4 years agosort-of (maybe) implemented a virtual port on top of RegFileArray.
Luke Kenneth Casson Leighton [Tue, 26 May 2020 15:54:33 +0000 (16:54 +0100)]
sort-of (maybe) implemented a virtual port on top of RegFileArray.
needs checking

4 years agotry new variant of VirtualRegFile
Luke Kenneth Casson Leighton [Tue, 26 May 2020 15:03:58 +0000 (16:03 +0100)]
try new variant of VirtualRegFile

4 years agouse nmutil treereduce
Luke Kenneth Casson Leighton [Tue, 26 May 2020 12:45:58 +0000 (13:45 +0100)]
use nmutil treereduce

4 years agocontinue virtual regfile port
Luke Kenneth Casson Leighton [Tue, 26 May 2020 11:44:18 +0000 (12:44 +0100)]
continue virtual regfile port

4 years agowhitespace, add commentary
Luke Kenneth Casson Leighton [Tue, 26 May 2020 11:43:57 +0000 (12:43 +0100)]
whitespace, add commentary

4 years agoFirst attempt at implementing block access rd and wr regfile port onto
colepoirier [Tue, 26 May 2020 01:04:37 +0000 (18:04 -0700)]
First attempt at implementing block access rd and wr regfile port onto
an array-based regfile

4 years agoCheck that busy_o doesn't rise on its own
Cesar Strauss [Mon, 25 May 2020 22:50:32 +0000 (19:50 -0300)]
Check that busy_o doesn't rise on its own

4 years agoImplement the issue_i/busy_o protocol check.
Cesar Strauss [Mon, 25 May 2020 22:28:43 +0000 (19:28 -0300)]
Implement the issue_i/busy_o protocol check.

It will timeout, until the rel/go signals are implemented.

4 years agoMove process list to CompUnitParallelTest
Cesar Strauss [Mon, 25 May 2020 19:11:03 +0000 (16:11 -0300)]
Move process list to CompUnitParallelTest

The process list (implementation detail) is best left for the class.

4 years agoCorrect polarity of shadow signal
Michael Nolan [Mon, 25 May 2020 19:11:32 +0000 (15:11 -0400)]
Correct polarity of shadow signal

4 years agodocument shadown inversion
Luke Kenneth Casson Leighton [Mon, 25 May 2020 19:00:45 +0000 (20:00 +0100)]
document shadown inversion

4 years agoAdd link to compunit wiki page
Michael Nolan [Mon, 25 May 2020 18:53:49 +0000 (14:53 -0400)]
Add link to compunit wiki page

4 years agoCorrect property numbers, add assertions about busy
Michael Nolan [Mon, 25 May 2020 18:47:58 +0000 (14:47 -0400)]
Correct property numbers, add assertions about busy

4 years agoupdate comments on compalu_multi.py
Luke Kenneth Casson Leighton [Mon, 25 May 2020 18:45:55 +0000 (19:45 +0100)]
update comments on compalu_multi.py

4 years agoAdd assertions about go_wr and wr_rel
Michael Nolan [Mon, 25 May 2020 18:28:42 +0000 (14:28 -0400)]
Add assertions about go_wr and wr_rel

4 years agoMinor cleanup of comments
Michael Nolan [Mon, 25 May 2020 18:12:01 +0000 (14:12 -0400)]
Minor cleanup of comments

4 years agoMinor changes to alu_hier.py to allow it to be used in proof
Michael Nolan [Mon, 25 May 2020 18:10:54 +0000 (14:10 -0400)]
Minor changes to alu_hier.py to allow it to be used in proof

4 years agoBegin working on proof for compunit/fu
Michael Nolan [Mon, 25 May 2020 18:08:20 +0000 (14:08 -0400)]
Begin working on proof for compunit/fu

4 years agoadd some more stub comments
Luke Kenneth Casson Leighton [Mon, 25 May 2020 15:28:30 +0000 (16:28 +0100)]
add some more stub comments

4 years agoyield blank so test passes
Luke Kenneth Casson Leighton [Mon, 25 May 2020 15:24:50 +0000 (16:24 +0100)]
yield blank so test passes

4 years agoadd stubs
Luke Kenneth Casson Leighton [Mon, 25 May 2020 15:24:10 +0000 (16:24 +0100)]
add stubs

4 years agoadd comments
Luke Kenneth Casson Leighton [Mon, 25 May 2020 15:21:40 +0000 (16:21 +0100)]
add comments

4 years agoFix detection of busy_o inside the monitor process
Cesar Strauss [Mon, 25 May 2020 15:07:15 +0000 (12:07 -0300)]
Fix detection of busy_o inside the monitor process

Found the bug literally seconds after pushing...

4 years agoProof of concept of a parallel test
Cesar Strauss [Mon, 25 May 2020 14:53:42 +0000 (11:53 -0300)]
Proof of concept of a parallel test

It doesn't work as expected.
For some reason, only the driver sees the rise of busy_o.

4 years agofix own copy/paste error
Tobias Platen [Mon, 25 May 2020 14:31:15 +0000 (16:31 +0200)]
fix own copy/paste error

4 years agowhitespace fix in docstring
Tobias Platen [Mon, 25 May 2020 14:29:39 +0000 (16:29 +0200)]
whitespace fix in docstring

4 years agocorrect links in regfile docstring
Luke Kenneth Casson Leighton [Mon, 25 May 2020 14:24:31 +0000 (15:24 +0100)]
correct links in regfile docstring

4 years agodocument regfiles
Luke Kenneth Casson Leighton [Mon, 25 May 2020 14:13:16 +0000 (15:13 +0100)]
document regfiles

4 years agoargh! frickin MACos terminal expanded out to 86x30 not 80x30
Luke Kenneth Casson Leighton [Mon, 25 May 2020 13:54:06 +0000 (14:54 +0100)]
argh!  frickin MACos terminal expanded out to 86x30 not 80x30

4 years agoadd docstring
Luke Kenneth Casson Leighton [Mon, 25 May 2020 13:52:40 +0000 (14:52 +0100)]
add docstring

4 years agoadd INT, SPR and CR regfiles
Luke Kenneth Casson Leighton [Mon, 25 May 2020 13:43:15 +0000 (14:43 +0100)]
add INT, SPR and CR regfiles

4 years agorefactoring (see #216 Comment 43)
Tobias Platen [Mon, 25 May 2020 13:41:49 +0000 (15:41 +0200)]
refactoring (see #216 Comment 43)

4 years agowhitespace changes
Tobias Platen [Mon, 25 May 2020 13:03:54 +0000 (15:03 +0200)]
whitespace changes

4 years agoquick addition of zero+immed test to LDSTCompUnit
Luke Kenneth Casson Leighton [Mon, 25 May 2020 11:44:38 +0000 (12:44 +0100)]
quick addition of zero+immed test to LDSTCompUnit

4 years agomust not do rd-req checking when both imm and zero mode are enabled
Luke Kenneth Casson Leighton [Mon, 25 May 2020 10:43:28 +0000 (11:43 +0100)]
must not do rd-req checking when both imm and zero mode are enabled

4 years agoimplement DataMerger interface
Tobias Platen [Mon, 25 May 2020 09:47:00 +0000 (11:47 +0200)]
implement DataMerger interface

4 years agoadd zero immed on LDST, untested
Luke Kenneth Casson Leighton [Mon, 25 May 2020 03:43:56 +0000 (04:43 +0100)]
add zero immed on LDST, untested

4 years agocomment out invalid test
Luke Kenneth Casson Leighton [Mon, 25 May 2020 02:26:46 +0000 (03:26 +0100)]
comment out invalid test

4 years agolots of greater than 80 chars
Luke Kenneth Casson Leighton [Mon, 25 May 2020 02:23:10 +0000 (03:23 +0100)]
lots of greater than 80 chars

4 years agoswitch out req rel if immediate enabled
Luke Kenneth Casson Leighton [Mon, 25 May 2020 02:19:20 +0000 (03:19 +0100)]
switch out req rel if immediate enabled

4 years agoShow oper_r and oper_i in the signal list, in simulation
Cesar Strauss [Mon, 25 May 2020 00:40:52 +0000 (21:40 -0300)]
Show oper_r and oper_i in the signal list, in simulation

4 years agomention zeroing
Luke Kenneth Casson Leighton [Mon, 25 May 2020 00:11:49 +0000 (01:11 +0100)]
mention zeroing

4 years agoadd links to pseudocode
Luke Kenneth Casson Leighton [Mon, 25 May 2020 00:09:54 +0000 (01:09 +0100)]
add links to pseudocode

4 years agospelling
Luke Kenneth Casson Leighton [Sun, 24 May 2020 23:58:19 +0000 (00:58 +0100)]
spelling

4 years agospelling
Luke Kenneth Casson Leighton [Sun, 24 May 2020 23:55:52 +0000 (00:55 +0100)]
spelling

4 years agoadd comments for SPR pipe_data
Luke Kenneth Casson Leighton [Sun, 24 May 2020 22:00:59 +0000 (23:00 +0100)]
add comments for SPR pipe_data

4 years agoadd SPR pipe_data.py
Luke Kenneth Casson Leighton [Sun, 24 May 2020 21:43:27 +0000 (22:43 +0100)]
add SPR pipe_data.py

4 years agoover 80 char limit
Luke Kenneth Casson Leighton [Sun, 24 May 2020 20:57:32 +0000 (21:57 +0100)]
over 80 char limit

4 years agoadd test of reg output, for MFCRF and ISEL
Luke Kenneth Casson Leighton [Sun, 24 May 2020 20:46:56 +0000 (21:46 +0100)]
add test of reg output, for MFCRF and ISEL

4 years agoAvoid overwriting the first vcd file with the second one
Cesar Strauss [Sun, 24 May 2020 19:48:46 +0000 (16:48 -0300)]
Avoid overwriting the first vcd file with the second one

4 years agoRename the internal DFF of latchregisters to avoid conflict
Cesar Strauss [Sun, 24 May 2020 19:44:12 +0000 (16:44 -0300)]
Rename the internal DFF of latchregisters to avoid conflict

4 years agoadd gitignore for branch fu formal
Luke Kenneth Casson Leighton [Sun, 24 May 2020 19:47:53 +0000 (20:47 +0100)]
add gitignore for branch fu formal

4 years agoadd OP_CMPB formal proof
Luke Kenneth Casson Leighton [Sun, 24 May 2020 19:23:54 +0000 (20:23 +0100)]
add OP_CMPB formal proof

4 years agoAssert that ctr is only written when needed
Michael Nolan [Sun, 24 May 2020 19:16:28 +0000 (15:16 -0400)]
Assert that ctr is only written when needed

4 years agosplit out Popcount into separate module: visually it interferes with readability...
Luke Kenneth Casson Leighton [Sun, 24 May 2020 19:17:36 +0000 (20:17 +0100)]
split out Popcount into separate module: visually it interferes with readability of the fu logical main stage graphviz

4 years agocopy code for MTMSR from microwatt into comments
Luke Kenneth Casson Leighton [Sun, 24 May 2020 19:05:55 +0000 (20:05 +0100)]
copy code for MTMSR from microwatt into comments

4 years agoadd links for trap main stage
Luke Kenneth Casson Leighton [Sun, 24 May 2020 19:01:56 +0000 (20:01 +0100)]
add links for trap main stage

4 years agoadd untested OP_MTMSR and OP_MFMSR
Luke Kenneth Casson Leighton [Sun, 24 May 2020 19:00:07 +0000 (20:00 +0100)]
add untested OP_MTMSR and OP_MFMSR

4 years agoupdate to new CSV files in submodule
Luke Kenneth Casson Leighton [Sun, 24 May 2020 18:53:38 +0000 (19:53 +0100)]
update to new CSV files in submodule

4 years agoadd MFMSR and MTMSRD enums to Function
Luke Kenneth Casson Leighton [Sun, 24 May 2020 18:49:30 +0000 (19:49 +0100)]
add MFMSR and MTMSRD enums to Function

4 years agocomment and add links to branch formal proof
Luke Kenneth Casson Leighton [Sun, 24 May 2020 18:30:56 +0000 (19:30 +0100)]
comment and add links to branch formal proof

4 years agoadd copy of bpermd proof to logical formal proof (not nice but hey)
Luke Kenneth Casson Leighton [Sun, 24 May 2020 18:20:18 +0000 (19:20 +0100)]
add copy of bpermd proof to logical formal proof (not nice but hey)

4 years agotrack down overwrite of variable b
Luke Kenneth Casson Leighton [Sun, 24 May 2020 17:58:02 +0000 (18:58 +0100)]
track down overwrite of variable b

4 years agoFix proof of bpermd module
Michael Nolan [Sun, 24 May 2020 15:17:12 +0000 (11:17 -0400)]
Fix proof of bpermd module

4 years agoFix bpermd and make tests pass
Michael Nolan [Sun, 24 May 2020 15:15:54 +0000 (11:15 -0400)]
Fix bpermd and make tests pass

4 years agoFix test_pipe_caller to conform to new Data() interface on outputs
Michael Nolan [Sun, 24 May 2020 15:15:14 +0000 (11:15 -0400)]
Fix test_pipe_caller to conform to new Data() interface on outputs

4 years agoadd stub regfiles.py
Luke Kenneth Casson Leighton [Sun, 24 May 2020 15:05:00 +0000 (16:05 +0100)]
add stub regfiles.py

4 years agohmm...
Luke Kenneth Casson Leighton [Sun, 24 May 2020 14:00:03 +0000 (15:00 +0100)]
hmm...

4 years agoadd very rapid DummyALU for test purposes in MultiCompUnit
Luke Kenneth Casson Leighton [Sun, 24 May 2020 13:54:41 +0000 (14:54 +0100)]
add very rapid DummyALU for test purposes in MultiCompUnit

4 years agocomments on branch pipeline
Luke Kenneth Casson Leighton [Sun, 24 May 2020 13:47:20 +0000 (14:47 +0100)]
comments on branch pipeline

4 years agoconvert CR pipeline to Data.ok
Luke Kenneth Casson Leighton [Sun, 24 May 2020 13:36:28 +0000 (14:36 +0100)]
convert CR pipeline to Data.ok

4 years agoconvert ALU to output Data on int reg
Luke Kenneth Casson Leighton [Sun, 24 May 2020 13:07:02 +0000 (14:07 +0100)]
convert ALU to output Data on int reg

4 years agoconvert logical to output Data on int reg
Luke Kenneth Casson Leighton [Sun, 24 May 2020 13:01:28 +0000 (14:01 +0100)]
convert logical to output Data on int reg

4 years agostart using Data in pipelines
Luke Kenneth Casson Leighton [Sun, 24 May 2020 12:47:12 +0000 (13:47 +0100)]
start using Data in pipelines

4 years agocleanup/code-munge on ALU main stage proof
Luke Kenneth Casson Leighton [Sun, 24 May 2020 12:09:54 +0000 (13:09 +0100)]
cleanup/code-munge on ALU main stage proof