soc.git
8 months agotest SVP64 major opcode, start checking if it is EXT001 soon
Luke Kenneth Casson Leighton [Sun, 31 Jan 2021 20:28:27 +0000 (20:28 +0000)]
test SVP64 major opcode, start checking if it is EXT001 soon

8 months agoadjusting ISACaller unit test to use ISACaller.setup_one()
Luke Kenneth Casson Leighton [Sun, 31 Jan 2021 20:04:10 +0000 (20:04 +0000)]
adjusting ISACaller unit test to use ISACaller.setup_one()

8 months agofix ISACaller unit test
Luke Kenneth Casson Leighton [Sun, 31 Jan 2021 19:51:27 +0000 (19:51 +0000)]
fix ISACaller unit test

8 months agofix two syntax errors in src/soc/decoder/isa/caller.py
Tobias Platen [Sun, 31 Jan 2021 18:48:18 +0000 (19:48 +0100)]
fix two syntax errors in src/soc/decoder/isa/caller.py

8 months agoSVP64 Remap Fields structures for ISACaller
Luke Kenneth Casson Leighton [Sun, 31 Jan 2021 18:03:01 +0000 (18:03 +0000)]
SVP64 Remap Fields structures for ISACaller

8 months agoremove sv_rm from PowerDecoder register decoders
Luke Kenneth Casson Leighton [Sun, 31 Jan 2021 16:01:16 +0000 (16:01 +0000)]
remove sv_rm from PowerDecoder register decoders

8 months agoadd SVSTATE SPR sub-field accessor class to ISACaller
Luke Kenneth Casson Leighton [Sun, 31 Jan 2021 15:53:19 +0000 (15:53 +0000)]
add SVSTATE SPR sub-field accessor class to ISACaller

8 months agomove SVP64 Extra reg decoding into main PowerDecoder module
Luke Kenneth Casson Leighton [Sun, 31 Jan 2021 15:28:02 +0000 (15:28 +0000)]
move SVP64 Extra reg decoding into main PowerDecoder module

8 months agoupdate submodule
Luke Kenneth Casson Leighton [Sun, 31 Jan 2021 15:08:29 +0000 (15:08 +0000)]
update submodule

8 months agomove CR in/out SVP64 EXTRA decoders into PowerDecoder
Luke Kenneth Casson Leighton [Sat, 30 Jan 2021 17:53:21 +0000 (17:53 +0000)]
move CR in/out SVP64 EXTRA decoders into PowerDecoder
this due to satellite SubsetPowerDecoders containing unnecessary SVP64decoders

8 months agoadd SVP64 CR out extending to 7-bit in PowerDecoder2
Luke Kenneth Casson Leighton [Sat, 30 Jan 2021 14:04:02 +0000 (14:04 +0000)]
add SVP64 CR out extending to 7-bit in PowerDecoder2

8 months agoadd SVP64 CR EXTRA field-extension, from 3-bit to 7-bit (plus isvec)
Luke Kenneth Casson Leighton [Sat, 30 Jan 2021 13:55:55 +0000 (13:55 +0000)]
add SVP64 CR EXTRA field-extension, from 3-bit to 7-bit (plus isvec)
in PowerDecoder2

8 months agoextend CR registers in Decode2ToExecute1Type to 7 bit
Luke Kenneth Casson Leighton [Sat, 30 Jan 2021 13:17:45 +0000 (13:17 +0000)]
extend CR registers in Decode2ToExecute1Type to 7 bit

8 months agoadd SVP64CRExtra class to PowerDecoder2, turns 3-bit CR into 7-bit plus isvec
Luke Kenneth Casson Leighton [Sat, 30 Jan 2021 13:10:16 +0000 (13:10 +0000)]
add SVP64CRExtra class to PowerDecoder2, turns 3-bit CR into 7-bit plus isvec

8 months agosplit out SVEXTRA field selection/decoding into separate class SVP64ExtraSpec
Luke Kenneth Casson Leighton [Sat, 30 Jan 2021 12:55:21 +0000 (12:55 +0000)]
split out SVEXTRA field selection/decoding into separate class SVP64ExtraSpec
in PowerDecoder2

8 months agowhoops update PowerDecoder2 svp64 comments, reg sizes (7 bit)
Luke Kenneth Casson Leighton [Sat, 30 Jan 2021 12:46:38 +0000 (12:46 +0000)]
whoops update PowerDecoder2 svp64 comments, reg sizes (7 bit)

8 months agoadd SVP64 EXTRA decoding to RB, RC and RT (out) in PowerDecode2
Luke Kenneth Casson Leighton [Sat, 30 Jan 2021 00:36:22 +0000 (00:36 +0000)]
add SVP64 EXTRA decoding to RB, RC and RT (out) in PowerDecode2
DecodeOut2 will have to wait because it is more complex

8 months agoadd first SVP64 7-bit register context decoder to PowerDecoder2
Luke Kenneth Casson Leighton [Sat, 30 Jan 2021 00:17:20 +0000 (00:17 +0000)]
add first SVP64 7-bit register context decoder to PowerDecoder2

8 months agoadd SVP64RM record to PowerDecoder2
Luke Kenneth Casson Leighton [Fri, 29 Jan 2021 23:01:06 +0000 (23:01 +0000)]
add SVP64RM record to PowerDecoder2

8 months agoincrease register number sizes from 5 to 7
Luke Kenneth Casson Leighton [Fri, 29 Jan 2021 23:00:46 +0000 (23:00 +0000)]
increase register number sizes from 5 to 7

8 months agosyntax corrections, also size of maxvl was wrong
Luke Kenneth Casson Leighton [Fri, 29 Jan 2021 22:51:37 +0000 (22:51 +0000)]
syntax corrections, also size of maxvl was wrong

8 months agoadd SVP64 RM (Remap) Record
Luke Kenneth Casson Leighton [Fri, 29 Jan 2021 22:46:43 +0000 (22:46 +0000)]
add SVP64 RM (Remap) Record

8 months agoadjust SVP64RM class to output more PowerDecoder-friendly csv augmentation
Luke Kenneth Casson Leighton [Fri, 29 Jan 2021 22:39:44 +0000 (22:39 +0000)]
adjust SVP64RM class to output more PowerDecoder-friendly csv augmentation
add SVEXTRA power_enum
extend PowerDecoder fields (sv in/out regs)

8 months agoadjust how register copy/setup is done in PowerDecoder2
Luke Kenneth Casson Leighton [Fri, 29 Jan 2021 18:42:08 +0000 (18:42 +0000)]
adjust how register copy/setup is done in PowerDecoder2

8 months agoadd SV etype/ptype to power decoder
Luke Kenneth Casson Leighton [Fri, 29 Jan 2021 14:59:49 +0000 (14:59 +0000)]
add SV etype/ptype to power decoder

8 months agowhoops syntax error. submodule update
Luke Kenneth Casson Leighton [Fri, 29 Jan 2021 12:12:12 +0000 (12:12 +0000)]
whoops syntax error.  submodule update

8 months agostart adding svp64 enums
Luke Kenneth Casson Leighton [Fri, 29 Jan 2021 11:56:35 +0000 (11:56 +0000)]
start adding svp64 enums

8 months agouse new svp64-augmented csv reader in PowerDecoder
Luke Kenneth Casson Leighton [Fri, 29 Jan 2021 11:33:22 +0000 (11:33 +0000)]
use new svp64-augmented csv reader in PowerDecoder

8 months agowhoops missed out "+" on explicit license listing
Luke Kenneth Casson Leighton [Fri, 29 Jan 2021 11:19:14 +0000 (11:19 +0000)]
whoops missed out "+" on explicit license listing

8 months agoadd SVSTATE to StateRegs
Luke Kenneth Casson Leighton [Thu, 28 Jan 2021 16:07:29 +0000 (16:07 +0000)]
add SVSTATE to StateRegs
(also fix comments)

8 months agoadd SVState SPR Record, SVSTATERec
Luke Kenneth Casson Leighton [Thu, 28 Jan 2021 15:53:50 +0000 (15:53 +0000)]
add SVState SPR Record, SVSTATERec

8 months agoadd svp64 CR field identification for EXTRA2/3 decoding
Luke Kenneth Casson Leighton [Wed, 27 Jan 2021 18:38:34 +0000 (18:38 +0000)]
add svp64 CR field identification for EXTRA2/3 decoding

8 months agomove svp64 reg-decode function to more appropriate location
Luke Kenneth Casson Leighton [Wed, 27 Jan 2021 18:16:47 +0000 (18:16 +0000)]
move svp64 reg-decode function to more appropriate location
use it in SVP64RM get_svp64_csv to decode EXTRA bit-field positions

8 months agoprovide "merger" of SVP64 RM info into v3.0B CSV files
Luke Kenneth Casson Leighton [Wed, 27 Jan 2021 12:49:05 +0000 (12:49 +0000)]
provide "merger" of SVP64 RM info into v3.0B CSV files

8 months agouse SPR constants
Tobias Platen [Wed, 27 Jan 2021 19:45:37 +0000 (20:45 +0100)]
use SPR constants

8 months agomove SVP64RM CSV class to new module
Luke Kenneth Casson Leighton [Wed, 27 Jan 2021 12:38:35 +0000 (12:38 +0000)]
move SVP64RM CSV class to new module

8 months agowhitespace and shortening of SPR MMU redirection in Power Decoder
Luke Kenneth Casson Leighton [Wed, 27 Jan 2021 12:35:30 +0000 (12:35 +0000)]
whitespace and shortening of SPR MMU redirection in Power Decoder

8 months agoalso read LDST RM files
Luke Kenneth Casson Leighton [Wed, 27 Jan 2021 12:25:40 +0000 (12:25 +0000)]
also read LDST RM files

8 months ago[Bug 580] update comment above changed block
Tobias Platen [Tue, 26 Jan 2021 19:37:41 +0000 (20:37 +0100)]
[Bug 580] update comment above changed block

8 months ago[Bug 580] redirect MMU SPRs to the MMU
Tobias Platen [Tue, 26 Jan 2021 19:27:40 +0000 (20:27 +0100)]
[Bug 580] redirect MMU SPRs to the MMU

8 months agoextra comments in svp64
Luke Kenneth Casson Leighton [Mon, 25 Jan 2021 16:23:07 +0000 (16:23 +0000)]
extra comments in svp64

8 months agochanging svp64 asm syntax to use / instead of . as separators 24jan2021_ls180
Luke Kenneth Casson Leighton [Sun, 24 Jan 2021 11:35:43 +0000 (11:35 +0000)]
changing svp64 asm syntax to use / instead of . as separators

8 months agomove sanity-checks, add mode into svp64_rm
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 21:43:36 +0000 (21:43 +0000)]
move sanity-checks, add mode into svp64_rm

8 months agocleanup on aisle 3 - simplify sv_mode svp64
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 21:39:26 +0000 (21:39 +0000)]
cleanup on aisle 3 - simplify sv_mode  svp64

8 months agocheck src/dest mask exist if zeroing, svp64
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 21:30:30 +0000 (21:30 +0000)]
check src/dest mask exist if zeroing, svp64

8 months agoadd predicate-result svp64 decoding
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 20:58:03 +0000 (20:58 +0000)]
add predicate-result svp64 decoding

8 months agoadd svp64 saturation decoding
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 20:50:30 +0000 (20:50 +0000)]
add svp64 saturation decoding

8 months agostart decoding modes in svp64
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 20:44:58 +0000 (20:44 +0000)]
start decoding modes in svp64

8 months agoand now for something completely different...
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 19:19:47 +0000 (19:19 +0000)]
and now for something completely different...

8 months agoadd elwidth encoding svp64, add more debug-print
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 19:14:19 +0000 (19:14 +0000)]
add elwidth encoding svp64, add more debug-print

8 months agoadd svp64 subvl encoding
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 18:41:28 +0000 (18:41 +0000)]
add svp64 subvl encoding

8 months agoadd in svp64 predicate mask encoding
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 18:35:33 +0000 (18:35 +0000)]
add in svp64 predicate mask encoding

8 months agocapture CR 3 and 5 bit sv encodings
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 18:03:41 +0000 (18:03 +0000)]
capture CR 3 and 5 bit sv encodings

8 months agostart decoding EXTRA2/3
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 16:01:02 +0000 (16:01 +0000)]
start decoding EXTRA2/3

8 months agostart decoding sv EXTRAs and identifying them
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 15:38:17 +0000 (15:38 +0000)]
start decoding sv EXTRAs and identifying them

8 months agostart to read RM CSV files
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 15:02:59 +0000 (15:02 +0000)]
start to read RM CSV files

8 months agoadd beginnings of svp64 assembly translator
Luke Kenneth Casson Leighton [Sat, 23 Jan 2021 13:23:58 +0000 (13:23 +0000)]
add beginnings of svp64 assembly translator

8 months agoadd example on how to access regs list for cmp
Luke Kenneth Casson Leighton [Fri, 22 Jan 2021 20:04:31 +0000 (20:04 +0000)]
add example on how to access regs list for cmp

9 months agotest_issuer_mmu_data_path.py: test both ld and st instructions
Tobias Platen [Tue, 19 Jan 2021 18:54:45 +0000 (19:54 +0100)]
test_issuer_mmu_data_path.py: test both ld and st instructions

9 months agoconnect LDSTException to MMU and DCache
Tobias Platen [Tue, 19 Jan 2021 18:40:07 +0000 (19:40 +0100)]
connect LDSTException to MMU and DCache

9 months agoconnect wishbone bus to test memory
Tobias Platen [Tue, 19 Jan 2021 17:21:50 +0000 (18:21 +0100)]
connect wishbone bus to test memory

9 months agouncomment #FIXME in unit_test
Tobias Platen [Mon, 18 Jan 2021 19:51:59 +0000 (20:51 +0100)]
uncomment #FIXME in unit_test

9 months agofu/mmu/fsm.py: connect valid and load signals
Tobias Platen [Mon, 18 Jan 2021 17:25:13 +0000 (18:25 +0100)]
fu/mmu/fsm.py: connect valid and load signals

9 months agoadd test memory for simulation
Tobias Platen [Sun, 17 Jan 2021 16:48:26 +0000 (17:48 +0100)]
add test memory for simulation

9 months agocleanup test_issuer_mmu_data_path.py
Tobias Platen [Sun, 17 Jan 2021 15:59:22 +0000 (16:59 +0100)]
cleanup test_issuer_mmu_data_path.py

9 months agoclean up test case for tlbie and dcbz
Tobias Platen [Sat, 16 Jan 2021 17:31:48 +0000 (18:31 +0100)]
clean up test case for tlbie and dcbz

9 months agomove microwatt_mmu bool variable to pspec
Tobias Platen [Sat, 16 Jan 2021 16:43:46 +0000 (17:43 +0100)]
move microwatt_mmu bool variable to pspec

9 months agoadd new unittest: test_issuer_mmu_data_path.py
Tobias Platen [Sat, 16 Jan 2021 10:00:07 +0000 (11:00 +0100)]
add new unittest: test_issuer_mmu_data_path.py

9 months agocleanup test_non_production_core.py
Tobias Platen [Fri, 15 Jan 2021 18:16:57 +0000 (19:16 +0100)]
cleanup test_non_production_core.py

9 months agoadd microwatt_mmu boolean variable to core and compunits
Tobias Platen [Fri, 15 Jan 2021 18:05:36 +0000 (19:05 +0100)]
add microwatt_mmu boolean variable to core and compunits

9 months agotest_non_production_core.py: fix hanging test
Tobias Platen [Fri, 15 Jan 2021 17:56:18 +0000 (18:56 +0100)]
test_non_production_core.py: fix hanging test

9 months agotest_non_production_core.py: wire instruction decoder to core
Tobias Platen [Fri, 15 Jan 2021 16:50:16 +0000 (17:50 +0100)]
test_non_production_core.py: wire instruction decoder to core

9 months agoadd test case for mmu+NonProductionCore
Tobias Platen [Thu, 14 Jan 2021 20:06:55 +0000 (21:06 +0100)]
add test case for mmu+NonProductionCore

9 months agoadd microwatt mmu config option to compunits.py
Tobias Platen [Sun, 10 Jan 2021 13:05:03 +0000 (14:05 +0100)]
add microwatt mmu config option to compunits.py

9 months agofix broken testcase for simple core
Tobias Platen [Fri, 8 Jan 2021 20:11:06 +0000 (21:11 +0100)]
fix broken testcase for simple core

9 months agoset initial_sprs, cleanup mfspr testprog
Tobias Platen [Thu, 7 Jan 2021 17:25:48 +0000 (18:25 +0100)]
set initial_sprs, cleanup mfspr testprog

9 months agomfspr is RT, SPR
Tobias Platen [Thu, 7 Jan 2021 16:50:28 +0000 (17:50 +0100)]
mfspr is RT, SPR

9 months agofirst testcase for mmu: case_mfspr_after_invalid_load
Tobias Platen [Wed, 6 Jan 2021 18:49:36 +0000 (19:49 +0100)]
first testcase for mmu: case_mfspr_after_invalid_load

9 months agofu/mmu/fsm.py: mfspr!=mtspr
Tobias Platen [Wed, 6 Jan 2021 18:26:52 +0000 (19:26 +0100)]
fu/mmu/fsm.py: mfspr!=mtspr

9 months agotest_countzero.py: rename output files
Tobias Platen [Mon, 4 Jan 2021 17:58:31 +0000 (18:58 +0100)]
test_countzero.py: rename output files

9 months agoAdd zero CR test case and fix comments
Cesar Strauss [Fri, 1 Jan 2021 21:05:38 +0000 (18:05 -0300)]
Add zero CR test case and fix comments

9 months agoAdd test cases with rc=1
Cesar Strauss [Fri, 1 Jan 2021 20:58:07 +0000 (17:58 -0300)]
Add test cases with rc=1

Checks that the CR port produces results.

9 months agoMake all ports the same size, on the test ALU
Cesar Strauss [Fri, 1 Jan 2021 20:38:57 +0000 (17:38 -0300)]
Make all ports the same size, on the test ALU

The old regspec API can't cope with different port sizes.
The CR port is now changed from 3 to "width" bits (16).
The problem was that cr.ok went into the fourth bit, messing with
the results.

9 months agoAdd CR output port to test cases
Cesar Strauss [Fri, 1 Jan 2021 18:34:24 +0000 (15:34 -0300)]
Add CR output port to test cases

Test cases can now set rc=1, and expect results in the CR port.
wrmask and dest_delay arrays have incremented their length accordingly.

9 months agoAdd CR to the output data port
Cesar Strauss [Fri, 1 Jan 2021 17:46:35 +0000 (14:46 -0300)]
Add CR to the output data port

9 months agoMake output write enables independent of valid_o
Cesar Strauss [Fri, 1 Jan 2021 15:06:48 +0000 (12:06 -0300)]
Make output write enables independent of valid_o

Just combinatiorally decode the operation.
This is because MultiCompUnit depends on *_ok being kept valid.

9 months agoMove NOP test case earlier
Cesar Strauss [Fri, 1 Jan 2021 14:11:24 +0000 (11:11 -0300)]
Move NOP test case earlier

Better way to see alu_o_ok being disabled during the instruction.

9 months agoDisable data value output on NOP
Cesar Strauss [Fri, 1 Jan 2021 12:59:49 +0000 (09:59 -0300)]
Disable data value output on NOP

9 months agoAdd condition register (CR) output
Cesar Strauss [Fri, 1 Jan 2021 12:54:45 +0000 (09:54 -0300)]
Add condition register (CR) output

9 months agoImplement and test NOP in the test ALU
Cesar Strauss [Thu, 31 Dec 2020 21:41:18 +0000 (18:41 -0300)]
Implement and test NOP in the test ALU

Change the output port from Signal to Data, to allow for the output to be
masked-out.

Specify a masked-out output in the NOP test case.

9 months agoDon't use OP_NOP for zero-delay subtraction
Cesar Strauss [Thu, 31 Dec 2020 20:43:34 +0000 (17:43 -0300)]
Don't use OP_NOP for zero-delay subtraction

We are going to implement an actual NOP

9 months agoTest first input port being masked out
Cesar Strauss [Thu, 31 Dec 2020 20:31:41 +0000 (17:31 -0300)]
Test first input port being masked out

9 months agoSign extend the second input port
Cesar Strauss [Thu, 31 Dec 2020 20:28:05 +0000 (17:28 -0300)]
Sign extend the second input port

9 months agoTest masked-out second input port
Cesar Strauss [Thu, 31 Dec 2020 20:06:56 +0000 (17:06 -0300)]
Test masked-out second input port

Sign extend uses only the first port.

9 months agoAdd sign extend to the Test ALU
Cesar Strauss [Thu, 31 Dec 2020 19:51:03 +0000 (16:51 -0300)]
Add sign extend to the Test ALU

9 months agoShow rdmaskn and wrmask in GTKWave
Cesar Strauss [Thu, 31 Dec 2020 13:36:58 +0000 (10:36 -0300)]
Show rdmaskn and wrmask in GTKWave

9 months agoUse the increment operator
Cesar Strauss [Thu, 31 Dec 2020 13:08:41 +0000 (10:08 -0300)]
Use the increment operator

9 months agoAdd support for masked write operations
Cesar Strauss [Thu, 31 Dec 2020 13:04:05 +0000 (10:04 -0300)]
Add support for masked write operations

Note that the test ALU currently does not have any masked writes.

9 months agoClarify reason for holding rdmaskn valid during the entire cycle
Cesar Strauss [Thu, 31 Dec 2020 12:20:13 +0000 (12:20 +0000)]
Clarify reason for holding rdmaskn valid during the entire cycle

9 months agoRemove previous version of the CompUnit parallel unit test
Cesar Strauss [Thu, 31 Dec 2020 10:42:27 +0000 (10:42 +0000)]
Remove previous version of the CompUnit parallel unit test

It was too detailed, modeling properties which are better checked by
formal verification.

Other than that, the new version has reached feature parity, so the old
code can finally be removed.