soc.git
4 years agoadding bus data width of 64 in litex sim doesnt work
Luke Kenneth Casson Leighton [Wed, 5 Aug 2020 13:31:38 +0000 (14:31 +0100)]
adding bus data width of 64 in litex sim doesnt work

4 years agoadd div test cases into test_issuer.py
Luke Kenneth Casson Leighton [Wed, 5 Aug 2020 11:32:45 +0000 (12:32 +0100)]
add div test cases into test_issuer.py

4 years agoadd div FSM as default for test_issuer in verilog and ilang gen
Luke Kenneth Casson Leighton [Wed, 5 Aug 2020 09:29:44 +0000 (10:29 +0100)]
add div FSM as default for test_issuer in verilog and ilang gen

4 years agoFixed div pipe with FSM
Jacob Lifshay [Wed, 5 Aug 2020 03:44:44 +0000 (20:44 -0700)]
Fixed div pipe with FSM

FU unit test was checking the output one cycle too late

See also https://bugs.libre-soc.org/show_bug.cgi?id=449

4 years agoAdd case_all to MUL unit tests, remove duplicate test case_4_mullw_rand
Cole Poirier [Wed, 5 Aug 2020 00:09:09 +0000 (17:09 -0700)]
Add case_all to MUL unit tests, remove duplicate test case_4_mullw_rand

4 years agoread/set pc outside of FSM so that DMI interface can get at it
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 21:57:00 +0000 (22:57 +0100)]
read/set pc outside of FSM so that DMI interface can get at it

4 years agoswap over byte-reverse if/else in LDSTCompUnit
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 18:18:24 +0000 (19:18 +0100)]
swap over byte-reverse if/else in LDSTCompUnit

4 years agotracked down byte-reversal in LDST ISACaller and LDSTCompUnit
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 16:56:12 +0000 (17:56 +0100)]
tracked down byte-reversal in LDST ISACaller and LDSTCompUnit

4 years agowhitespace after autopep8 messed up
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 15:53:59 +0000 (16:53 +0100)]
whitespace after autopep8 messed up

4 years agomsr and pc moved to "state" in PowerDecode2
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 15:42:54 +0000 (16:42 +0100)]
msr and pc moved to "state" in PowerDecode2

4 years agowhoops must output NIA not PC to debug DMI query in test_issuer
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 15:38:43 +0000 (16:38 +0100)]
whoops must output NIA not PC to debug DMI query in test_issuer

4 years agoallow instruction to run if initiated whilst "stopped" requested
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 15:04:43 +0000 (16:04 +0100)]
allow instruction to run if initiated whilst "stopped" requested

4 years agocycle through INT regs, read and debug in litex sim
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 14:15:52 +0000 (15:15 +0100)]
cycle through INT regs, read and debug in litex sim

4 years agoadd DMI debug interface to libresoc litex sim
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 12:20:09 +0000 (13:20 +0100)]
add DMI debug interface to libresoc litex sim

4 years agosingle-step and print out PC using DMI in litex sim
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 12:06:06 +0000 (13:06 +0100)]
single-step and print out PC using DMI in litex sim

4 years agoget litex sim to kick off a "STEP" via the DMI interface every N cycles
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 11:44:13 +0000 (12:44 +0100)]
get litex sim to kick off a "STEP" via the DMI interface every N cycles

4 years agoconnect up a DMI FSM to litex sim
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 11:07:26 +0000 (12:07 +0100)]
connect up a DMI FSM to litex sim

4 years agomore remove wildcard imports
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 09:41:45 +0000 (10:41 +0100)]
more remove wildcard imports

4 years agodo not use wildcard imports
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 09:20:15 +0000 (10:20 +0100)]
do not use wildcard imports

4 years agoadding litex sim experimentation.
Luke Kenneth Casson Leighton [Tue, 4 Aug 2020 09:16:39 +0000 (10:16 +0100)]
adding litex sim experimentation.
not keen on doing this: adding microwatt.v however it is an important
test and a massive dependency chain needed for generating it

4 years agoRemove XXX; this seems done otherwise.
Samuel A. Falvo II [Tue, 4 Aug 2020 02:54:16 +0000 (19:54 -0700)]
Remove XXX; this seems done otherwise.

4 years agoadd quick demo/test of reading DMI reg 9
Luke Kenneth Casson Leighton [Mon, 3 Aug 2020 19:55:51 +0000 (20:55 +0100)]
add quick demo/test of reading DMI reg 9

4 years agoadd extra port for debug read of int regs via DMI
Luke Kenneth Casson Leighton [Mon, 3 Aug 2020 19:24:03 +0000 (20:24 +0100)]
add extra port for debug read of int regs via DMI

4 years agopass state (MSR/PC) around between PowerDecode2, DMI, and TestIssuer
Luke Kenneth Casson Leighton [Mon, 3 Aug 2020 19:19:17 +0000 (20:19 +0100)]
pass state (MSR/PC) around between PowerDecode2, DMI, and TestIssuer

4 years agohttps://bugs.libre-soc.org/show_bug.cgi?id=446
Luke Kenneth Casson Leighton [Mon, 3 Aug 2020 19:08:49 +0000 (20:08 +0100)]
https://bugs.libre-soc.org/show_bug.cgi?id=446
Revert "LDSTSplitter: report exception"

This reverts commit 16f3cca9062314475a9039c96ffa1bc97122a408.

4 years agouse new soc.config.state CoreState class in DMI and test_issuer
Luke Kenneth Casson Leighton [Mon, 3 Aug 2020 19:04:56 +0000 (20:04 +0100)]
use new soc.config.state CoreState class in DMI and test_issuer

4 years agoLDSTSplitter: report exception
Tobias Platen [Mon, 3 Aug 2020 18:37:47 +0000 (20:37 +0200)]
LDSTSplitter: report exception

4 years agoMerge branch 'master' of ssh://git.libre-riscv.org:922/soc
Tobias Platen [Mon, 3 Aug 2020 18:06:25 +0000 (20:06 +0200)]
Merge branch 'master' of ssh://git.libre-riscv.org:922/soc

4 years agoTstDataMerger2
Tobias Platen [Mon, 3 Aug 2020 18:06:15 +0000 (20:06 +0200)]
TstDataMerger2

4 years agochange over to DMI debug start/stop interface
Luke Kenneth Casson Leighton [Mon, 3 Aug 2020 17:02:52 +0000 (18:02 +0100)]
change over to DMI debug start/stop interface

4 years agomove debug to record
Luke Kenneth Casson Leighton [Mon, 3 Aug 2020 17:02:13 +0000 (18:02 +0100)]
move debug to  record

4 years agoWIP: check MB > ME and select mask appropriately
Samuel A. Falvo II [Mon, 3 Aug 2020 15:17:55 +0000 (08:17 -0700)]
WIP: check MB > ME and select mask appropriately

4 years agoconvert microwatt core_debug.vhdl to nmigen
Luke Kenneth Casson Leighton [Sun, 2 Aug 2020 15:21:56 +0000 (16:21 +0100)]
convert microwatt core_debug.vhdl to nmigen

4 years agoadd debug dir
Luke Kenneth Casson Leighton [Sun, 2 Aug 2020 09:16:18 +0000 (10:16 +0100)]
add debug dir

4 years agoadd quick test of litex bios IMM64 macro
Luke Kenneth Casson Leighton [Sat, 1 Aug 2020 13:00:00 +0000 (14:00 +0100)]
add quick test of litex bios IMM64 macro

4 years agoadd rlwnm test showing that shift rot OP_RLC proof is incorrect.
Luke Kenneth Casson Leighton [Sat, 1 Aug 2020 11:05:07 +0000 (12:05 +0100)]
add rlwnm test showing that shift rot OP_RLC proof is incorrect.
using same values as inputs from the proof

4 years agoline-length / whitespace
Luke Kenneth Casson Leighton [Sat, 1 Aug 2020 10:24:25 +0000 (11:24 +0100)]
line-length / whitespace

4 years agoexpand out for-loop setting up input record subset
Luke Kenneth Casson Leighton [Sat, 1 Aug 2020 09:49:08 +0000 (10:49 +0100)]
expand out for-loop setting up input record subset
this to help in formal proof shiftrot analysis

4 years agoreorg DecodeB in power_decoder2.py to sign-extend immediates
Luke Kenneth Casson Leighton [Fri, 31 Jul 2020 16:52:11 +0000 (17:52 +0100)]
reorg DecodeB in power_decoder2.py to sign-extend immediates

4 years agoadd more instructions to litex trampoline test (not tested)
Luke Kenneth Casson Leighton [Fri, 31 Jul 2020 16:31:21 +0000 (17:31 +0100)]
add more instructions to litex trampoline test (not tested)

4 years agorestrict external port list further in test_issuer
Luke Kenneth Casson Leighton [Fri, 31 Jul 2020 16:30:56 +0000 (17:30 +0100)]
restrict external port list further in test_issuer

4 years agomissed go_i/rel_o rename
Luke Kenneth Casson Leighton [Fri, 31 Jul 2020 16:30:25 +0000 (17:30 +0100)]
missed go_i/rel_o rename

4 years agoWIP: more debugging signals for inspection
Samuel A. Falvo II [Fri, 31 Jul 2020 16:53:41 +0000 (09:53 -0700)]
WIP: more debugging signals for inspection

4 years agoWIP: rlwinm/rlwnm/rlwimi-type proofs
Samuel A. Falvo II [Thu, 30 Jul 2020 23:18:49 +0000 (16:18 -0700)]
WIP: rlwinm/rlwnm/rlwimi-type proofs

Been trying to wittle away at this for several days now, without luck.
What am I missing?!

4 years agobegin work on TestCase for two DataMergers/Cache
Tobias Platen [Thu, 30 Jul 2020 17:40:09 +0000 (19:40 +0200)]
begin work on TestCase for two DataMergers/Cache

4 years agoadd CacheRecord
Tobias Platen [Thu, 30 Jul 2020 16:57:46 +0000 (18:57 +0200)]
add CacheRecord

4 years agocore_start/stop/endian were inverted (output)
Luke Kenneth Casson Leighton [Thu, 30 Jul 2020 14:12:05 +0000 (15:12 +0100)]
core_start/stop/endian were inverted (output)

4 years agoha! have to explicitly specify the ports when writing out to ilang or verilog
Luke Kenneth Casson Leighton [Thu, 30 Jul 2020 12:27:55 +0000 (13:27 +0100)]
ha! have to explicitly specify the ports when writing out to ilang or verilog
this gives unused signals that default to a non-zero value to inherently
set by default to that value.
exposing them externally via ports makes setting them the *users*

4 years agoadd trampoline test from litex
Luke Kenneth Casson Leighton [Thu, 30 Jul 2020 12:21:43 +0000 (13:21 +0100)]
add trampoline test from litex

4 years agoset sel line in minerva instruction fetch
Luke Kenneth Casson Leighton [Thu, 30 Jul 2020 12:19:07 +0000 (13:19 +0100)]
set sel line in minerva instruction fetch

4 years agoha! found source of XICS test bug: wishbone stb was being left HI
Luke Kenneth Casson Leighton [Thu, 30 Jul 2020 09:39:43 +0000 (10:39 +0100)]
ha! found source of XICS test bug: wishbone stb was being left HI
for more than one cycle in the *unit* test, thereby putting spurious
data onto the bus and corrupting transactions

4 years agomore exploratory testing of XICS, joining ICP and ICS together
Luke Kenneth Casson Leighton [Wed, 29 Jul 2020 17:48:14 +0000 (18:48 +0100)]
more exploratory testing of XICS, joining ICP and ICS together

4 years agomodified LDSTSplitter to conform to PortInterface
Tobias Platen [Wed, 29 Jul 2020 16:55:54 +0000 (18:55 +0200)]
modified LDSTSplitter to conform to PortInterface

4 years agoforgot to rename ad/st in LDSTCompUnitRecord
Luke Kenneth Casson Leighton [Wed, 29 Jul 2020 16:22:29 +0000 (17:22 +0100)]
forgot to rename ad/st in LDSTCompUnitRecord

4 years agobit of a big change: add prefixes "cu_" to all CompUnit management signals
Luke Kenneth Casson Leighton [Wed, 29 Jul 2020 15:19:08 +0000 (16:19 +0100)]
bit of a big change: add prefixes "cu_" to all CompUnit management signals
also change go/rel to go_i and rel_o at the same time

4 years agostart on test joining XICS ICS to ICP
Luke Kenneth Casson Leighton [Wed, 29 Jul 2020 13:23:18 +0000 (14:23 +0100)]
start on test joining XICS ICS to ICP

4 years agotidyup XICS, identify (potential?) bug?
Luke Kenneth Casson Leighton [Wed, 29 Jul 2020 13:08:32 +0000 (14:08 +0100)]
tidyup XICS, identify (potential?) bug?

4 years agomove CR test out of subtest indentation
Luke Kenneth Casson Leighton [Wed, 29 Jul 2020 10:58:59 +0000 (11:58 +0100)]
move CR test out of subtest indentation

4 years agomove SHIFTROT test out of subtest indentation
Luke Kenneth Casson Leighton [Wed, 29 Jul 2020 10:54:19 +0000 (11:54 +0100)]
move SHIFTROT test out of subtest indentation

4 years agomove actual ALU test out of subTest indentation just like for div
Luke Kenneth Casson Leighton [Wed, 29 Jul 2020 10:49:16 +0000 (11:49 +0100)]
move actual ALU test out of subTest indentation just like for div

4 years agowhitespace
Luke Kenneth Casson Leighton [Wed, 29 Jul 2020 10:42:05 +0000 (11:42 +0100)]
whitespace

4 years agoclean up branch test_pipe_caller
Jacob Lifshay [Wed, 29 Jul 2020 00:44:57 +0000 (17:44 -0700)]
clean up branch test_pipe_caller

4 years agoclean up alu test_pipe_caller
Jacob Lifshay [Wed, 29 Jul 2020 00:40:56 +0000 (17:40 -0700)]
clean up alu test_pipe_caller

4 years agoadd __init__.py to all source directories
Jacob Lifshay [Wed, 29 Jul 2020 00:38:58 +0000 (17:38 -0700)]
add __init__.py to all source directories

4 years agoclean up some tests
Jacob Lifshay [Wed, 29 Jul 2020 00:27:44 +0000 (17:27 -0700)]
clean up some tests

4 years agoformat some tests
Jacob Lifshay [Wed, 29 Jul 2020 00:26:16 +0000 (17:26 -0700)]
format some tests

4 years agoadd code for skipping test cases
Jacob Lifshay [Wed, 29 Jul 2020 00:23:02 +0000 (17:23 -0700)]
add code for skipping test cases

4 years agoclean up div pipe tests to allow them to be run in parallel
Jacob Lifshay [Tue, 28 Jul 2020 23:49:10 +0000 (16:49 -0700)]
clean up div pipe tests to allow them to be run in parallel

4 years agoMerge remote-tracking branch 'origin/master'
Jacob Lifshay [Tue, 28 Jul 2020 23:16:45 +0000 (16:16 -0700)]
Merge remote-tracking branch 'origin/master'

4 years agofix test_pipe_ilang.py
Jacob Lifshay [Tue, 28 Jul 2020 23:15:40 +0000 (16:15 -0700)]
fix test_pipe_ilang.py

4 years agouse ctx.op compare (and muxid) in shiftrot proof
Luke Kenneth Casson Leighton [Tue, 28 Jul 2020 23:14:33 +0000 (00:14 +0100)]
use ctx.op compare (and muxid) in shiftrot proof
also use correct input record type and spec

4 years agosplit out ilang tests
Jacob Lifshay [Tue, 28 Jul 2020 23:02:20 +0000 (16:02 -0700)]
split out ilang tests

4 years agoadd more files to .gitignore
Jacob Lifshay [Tue, 28 Jul 2020 23:01:45 +0000 (16:01 -0700)]
add more files to .gitignore

4 years agoformat code
Jacob Lifshay [Tue, 28 Jul 2020 22:49:06 +0000 (15:49 -0700)]
format code

4 years agoadd preliminary investigative test of XICS ICS
Luke Kenneth Casson Leighton [Tue, 28 Jul 2020 12:28:22 +0000 (13:28 +0100)]
add preliminary investigative test of XICS ICS

4 years agotidyup/comments in trap proof
Luke Kenneth Casson Leighton [Tue, 28 Jul 2020 09:20:20 +0000 (10:20 +0100)]
tidyup/comments in trap proof

4 years agoadd 2nd part of XICS interrupt interface
Luke Kenneth Casson Leighton [Mon, 27 Jul 2020 21:36:55 +0000 (22:36 +0100)]
add 2nd part of XICS interrupt interface

4 years agofix trap proof, and trap main_stage, and pseudocode for rfid
Luke Kenneth Casson Leighton [Mon, 27 Jul 2020 11:44:44 +0000 (12:44 +0100)]
fix trap proof, and trap main_stage, and pseudocode for rfid
all a bit of a mess, really :)

4 years agoshorten expected_ to exp_, gets line-length down
Luke Kenneth Casson Leighton [Mon, 27 Jul 2020 10:48:11 +0000 (11:48 +0100)]
shorten expected_ to exp_, gets line-length down

4 years agoMTMSR(D) properties.
Samuel A. Falvo II [Sun, 26 Jul 2020 20:31:17 +0000 (13:31 -0700)]
MTMSR(D) properties.

As of this commit, the properties for MTMSRD fails because (IBM) bit 30
is not set correctly.  I've double checked my properties against that
specified in the V3.0B specs on page 978.  I've also double-checked the
code in ../main_stage.py.  As of this commit, I *cannot* find the
location of the discrepency.

4 years agostart on conversion of xics.vhdl to nmigen
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 20:27:53 +0000 (21:27 +0100)]
start on conversion of xics.vhdl to nmigen
see https://bugs.libre-soc.org/show_bug.cgi?id=407

4 years agoadd nop test cases
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 13:47:17 +0000 (14:47 +0100)]
add nop test cases

4 years agoadd test_nop general test case
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 13:16:15 +0000 (14:16 +0100)]
add test_nop general test case

4 years agoactivate some of new accumulator-based tests in test_issuer
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 13:13:31 +0000 (14:13 +0100)]
activate some of new accumulator-based tests in test_issuer

4 years agodo not need lod_l.q | lsto_l.q can just use lsd_l.q
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 13:11:01 +0000 (14:11 +0100)]
do not need lod_l.q | lsto_l.q can just use lsd_l.q

4 years agoargh add yet another latch to detect when LD/ST has completed
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 13:04:54 +0000 (14:04 +0100)]
argh add yet another latch to detect when LD/ST has completed

4 years agosigh, issue with detection/waiting for LD/ST CompUnit
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 12:34:49 +0000 (13:34 +0100)]
sigh, issue with detection/waiting for LD/ST CompUnit

4 years agoconvert LDST test to accumulator style
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 11:13:36 +0000 (12:13 +0100)]
convert LDST test to accumulator style

4 years agoconvert Branch test to accumulator style
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 11:09:13 +0000 (12:09 +0100)]
convert Branch test to accumulator style

4 years agoconvert SPR test to accumulator style
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 11:07:28 +0000 (12:07 +0100)]
convert SPR test to accumulator style

4 years agoconvert TRAP test to accumulator style
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 11:02:52 +0000 (12:02 +0100)]
convert TRAP test to accumulator style

4 years agoremove FHDLTestCase
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 10:59:52 +0000 (11:59 +0100)]
remove FHDLTestCase

4 years agoconvert CR test to accumulator style
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 10:58:33 +0000 (11:58 +0100)]
convert CR test to accumulator style

4 years agoconvert mul test to accumulator style
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 10:56:17 +0000 (11:56 +0100)]
convert mul test to accumulator style

4 years agoconvert shift_rot test to new base accumulator style
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 10:17:38 +0000 (11:17 +0100)]
convert shift_rot test to new base accumulator style

4 years agoconvert logical test case to new base class accumulator style
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 10:14:18 +0000 (11:14 +0100)]
convert logical test case to new base class accumulator style

4 years agomove run_test_program to base class and rename to "add_case"
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 10:11:25 +0000 (11:11 +0100)]
move run_test_program to base class and rename to "add_case"

4 years agoconvert ALU to new accumulator style
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 10:11:05 +0000 (11:11 +0100)]
convert ALU to new accumulator style

4 years agoagain, move large heavily-indented code-block in div test_pipe_caller
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 10:05:34 +0000 (11:05 +0100)]
again, move large heavily-indented code-block in div test_pipe_caller

4 years agorun subtest, indentation getting too large, move to function
Luke Kenneth Casson Leighton [Sun, 26 Jul 2020 10:02:28 +0000 (11:02 +0100)]
run subtest, indentation getting too large, move to function