Cesar Strauss [Sat, 10 Jul 2021 21:53:22 +0000 (18:53 -0300)]
Show some usage of PortInterface in action
Cesar Strauss [Sat, 10 Jul 2021 17:25:16 +0000 (14:25 -0300)]
Add new traces to the GTKWave document
The new traces are related to the state latches, operand fetch and ALU
address generation.
Cesar Strauss [Sat, 10 Jul 2021 17:17:17 +0000 (14:17 -0300)]
Add operand producers to the parallel LDST Compunit test case
Code from the parallel ALU Compunit test case was successfully reused.
Result consumers are to be added later.
The simulation now runs through the operand fetch phase and the address
ALU phase.
Cesar Strauss [Sat, 10 Jul 2021 16:47:19 +0000 (13:47 -0300)]
Detect unexpected operand fetches and produced results
When some operands are not used (zero_a and/or imm_ok), raise an error as
soon as rel_o is asserted. Likewise, for results (when not in RA update
mode).
Cesar Strauss [Wed, 7 Jul 2021 09:36:50 +0000 (06:36 -0300)]
Start of a GTKWave document for the LDST CompUnit parallel unit test
Cesar Strauss [Sun, 4 Jul 2021 21:00:27 +0000 (18:00 -0300)]
Beginning of a class to make a parallel test case for LDSTCompUnit
For now it just issues an operation. Later it will setup producers and
consumers for input/output operands and the port interface.
Tobias Platen [Wed, 30 Jun 2021 17:41:01 +0000 (19:41 +0200)]
cut down on time by uncommenting data not needed, adding documentation
Tobias Platen [Mon, 28 Jun 2021 17:44:36 +0000 (19:44 +0200)]
update ldst test case by adding precise timing
Luke Kenneth Casson Leighton [Thu, 24 Jun 2021 14:52:25 +0000 (15:52 +0100)]
propagate new use_svp64_ldst_dec mode through TestCore and TestIssuer
Luke Kenneth Casson Leighton [Thu, 24 Jun 2021 12:26:19 +0000 (13:26 +0100)]
add an explicit PowerDecoder.is_svp64_mode flag to help with detection
Tobias Platen [Sun, 20 Jun 2021 17:31:34 +0000 (19:31 +0200)]
dcache: add debug output
Tobias Platen [Sun, 20 Jun 2021 16:00:22 +0000 (18:00 +0200)]
update test_ldst_pi.py
Tobias Platen [Fri, 18 Jun 2021 18:09:54 +0000 (20:09 +0200)]
uncomment test_dcache_random
Tobias Platen [Fri, 18 Jun 2021 17:40:05 +0000 (19:40 +0200)]
src/soc/fu/ldst/loadstore.py: keep data for the whole cycle
Tobias Platen [Mon, 14 Jun 2021 18:02:49 +0000 (20:02 +0200)]
update testcase for ldst
Luke Kenneth Casson Leighton [Thu, 10 Jun 2021 19:10:16 +0000 (20:10 +0100)]
whoops Popcount datalen too big (wasted bits). reduce
Luke Kenneth Casson Leighton [Wed, 9 Jun 2021 15:51:14 +0000 (16:51 +0100)]
git submodule update
Luke Kenneth Casson Leighton [Wed, 9 Jun 2021 15:08:25 +0000 (16:08 +0100)]
disconnect pll clock, connected in peripheral interconnect
Luke Kenneth Casson Leighton [Wed, 9 Jun 2021 13:32:26 +0000 (14:32 +0100)]
add in/out of ref_clk and pllclk_clk when PLL enabled
Cesar Strauss [Sun, 6 Jun 2021 22:00:46 +0000 (19:00 -0300)]
Start a new self-contained test suite for LDSTCompUnit
The idea is to use parallel processes, like on the new ALU CompUnit tests.
In this case, it will include PortInterface emulation as well.
The current goal is to ensure that exception support is properly
implemented.
Luke Kenneth Casson Leighton [Thu, 3 Jun 2021 15:36:40 +0000 (16:36 +0100)]
comment out domains that have already been created
Luke Kenneth Casson Leighton [Thu, 3 Jun 2021 14:48:14 +0000 (15:48 +0100)]
no, do not assign clock to clock!
Luke Kenneth Casson Leighton [Thu, 3 Jun 2021 14:42:32 +0000 (15:42 +0100)]
rename ref to ref_v in PLL due to ref being a verilog keyword
Luke Kenneth Casson Leighton [Thu, 3 Jun 2021 14:41:33 +0000 (15:41 +0100)]
sort out PLL domains but bypass PLL due to lack of time
Luke Kenneth Casson Leighton [Thu, 3 Jun 2021 12:48:32 +0000 (13:48 +0100)]
use DomainRenamer on all sub-components of TestIssuer
except for JTAG and DMI
Luke Kenneth Casson Leighton [Thu, 3 Jun 2021 12:02:59 +0000 (13:02 +0100)]
make core_rst a member of TestIssuerInternal
Tobias Platen [Tue, 1 Jun 2021 18:23:37 +0000 (20:23 +0200)]
test_ldst_pi.py: add new test case
Tobias Platen [Sat, 29 May 2021 18:46:18 +0000 (20:46 +0200)]
test_ldst_pi.py: first version of test_dcache_random()
Tobias Platen [Sat, 29 May 2021 18:10:15 +0000 (20:10 +0200)]
test_ldst_pi.py: more test_dcache_regression()
Luke Kenneth Casson Leighton [Thu, 27 May 2021 17:21:16 +0000 (18:21 +0100)]
adjust PLL connections looking for coriolis2 issue
Luke Kenneth Casson Leighton [Thu, 27 May 2021 12:04:10 +0000 (13:04 +0100)]
corrections on spblock ack
Luke Kenneth Casson Leighton [Thu, 27 May 2021 12:01:42 +0000 (13:01 +0100)]
classic wishbone mode: must not do ack if already acked
Luke Kenneth Casson Leighton [Wed, 26 May 2021 15:10:30 +0000 (16:10 +0100)]
arse. PLL test_issuer clk_sel_i accidentally only 1 bit not 2
Luke Kenneth Casson Leighton [Wed, 26 May 2021 15:09:58 +0000 (16:09 +0100)]
remove err feature from sram4k wb
Luke Kenneth Casson Leighton [Wed, 26 May 2021 13:22:45 +0000 (14:22 +0100)]
add ldst PortInterface misalign unit test (underway)
Luke Kenneth Casson Leighton [Tue, 25 May 2021 11:31:31 +0000 (12:31 +0100)]
rename PLL signals
Tobias Platen [Tue, 25 May 2021 19:00:41 +0000 (21:00 +0200)]
test_ldst_pi.py: fix race condition causing early stop
Tobias Platen [Tue, 25 May 2021 17:22:46 +0000 (19:22 +0200)]
wait_ldok: add debug output count
Luke Kenneth Casson Leighton [Mon, 24 May 2021 17:21:00 +0000 (18:21 +0100)]
whoops sort out name of SPBlock RAM
Luke Kenneth Casson Leighton [Mon, 24 May 2021 17:05:10 +0000 (18:05 +0100)]
change name of submodule to real_pll
Luke Kenneth Casson Leighton [Sat, 22 May 2021 11:55:09 +0000 (12:55 +0100)]
match up PLL names
Cesar Strauss [Sat, 22 May 2021 21:12:48 +0000 (18:12 -0300)]
Remove redundant build step
The pywriter script has already ran, as part of the openpower-isa install.
Cesar Strauss [Sat, 22 May 2021 21:10:02 +0000 (18:10 -0300)]
Include missing step in automated build
The newly added pyfnwriter script needs to run just before pywriter.
Cesar Strauss [Sat, 22 May 2021 20:31:00 +0000 (17:31 -0300)]
Move the reset code outside of the sub-test
Even if a sub-test fails, the core still needs to be reset.
This code does not check any assertions, so it's safe to move it outside.
Luke Kenneth Casson Leighton [Sat, 22 May 2021 10:50:32 +0000 (11:50 +0100)]
update submodule
Luke Kenneth Casson Leighton [Sat, 22 May 2021 10:50:25 +0000 (11:50 +0100)]
update PLL to use Instance
Tobias Platen [Sat, 15 May 2021 17:10:33 +0000 (19:10 +0200)]
test_ldst_pi.py: add dcache regression and random test from test_dcache.py
Luke Kenneth Casson Leighton [Fri, 14 May 2021 19:47:38 +0000 (20:47 +0100)]
add radix MMU "miss" test
Luke Kenneth Casson Leighton [Fri, 14 May 2021 12:04:17 +0000 (13:04 +0100)]
clear out request data on return to idle
Luke Kenneth Casson Leighton [Fri, 14 May 2021 11:09:55 +0000 (12:09 +0100)]
sort out LoadStore1 misalignment FSM, also required test function pi_ld
to be modified to understand exceptions. pi_st TODO
Luke Kenneth Casson Leighton [Fri, 14 May 2021 10:36:19 +0000 (11:36 +0100)]
remove minerva units previously missed in cleanout
Luke Kenneth Casson Leighton [Fri, 14 May 2021 10:30:53 +0000 (11:30 +0100)]
add misaligned load through MMU (which is incorrectly succeeding without error)
Luke Kenneth Casson Leighton [Thu, 13 May 2021 21:12:33 +0000 (22:12 +0100)]
minor rework of wb_get, make generic
Luke Kenneth Casson Leighton [Thu, 13 May 2021 21:02:32 +0000 (22:02 +0100)]
added STORE test in test_ldst_pi.py, and it worked straight off
Luke Kenneth Casson Leighton [Thu, 13 May 2021 21:01:54 +0000 (22:01 +0100)]
update comments in issuer.py regarding a 4th FSM
Luke Kenneth Casson Leighton [Thu, 13 May 2021 19:02:00 +0000 (20:02 +0100)]
yet more debug log stuff for DCache, this time on CacheRam, to discern
which SRAM the read/write request went to
Luke Kenneth Casson Leighton [Thu, 13 May 2021 19:01:20 +0000 (20:01 +0100)]
fix wb_get error where data was being corrupted
(not WB classic compliant)
Luke Kenneth Casson Leighton [Thu, 13 May 2021 17:05:01 +0000 (18:05 +0100)]
add read at different locations in test_ldst_pi.py
Luke Kenneth Casson Leighton [Thu, 13 May 2021 16:46:07 +0000 (17:46 +0100)]
add some data for MMU to actually look up
Luke Kenneth Casson Leighton [Thu, 13 May 2021 16:35:07 +0000 (17:35 +0100)]
ha, hilarious: swapped TLBUpdate output sizes db_out and pb_out.
Luke Kenneth Casson Leighton [Thu, 13 May 2021 15:39:33 +0000 (16:39 +0100)]
whoops TLBIE must *clear* the valid bit not set it. TLBUpdate
Luke Kenneth Casson Leighton [Thu, 13 May 2021 15:38:18 +0000 (16:38 +0100)]
more debug Display in dcache.py
Luke Kenneth Casson Leighton [Thu, 13 May 2021 13:14:43 +0000 (14:14 +0100)]
putting in a lot more debug print statements in DCache, investigation
Luke Kenneth Casson Leighton [Wed, 12 May 2021 19:15:35 +0000 (20:15 +0100)]
add dcache tlb / pte test
Luke Kenneth Casson Leighton [Wed, 12 May 2021 19:04:12 +0000 (20:04 +0100)]
set m_out.load from ldst_r(egister) in LoadStore1
Luke Kenneth Casson Leighton [Wed, 12 May 2021 18:48:23 +0000 (19:48 +0100)]
move dcache unit test to separate test_dcache.py
Luke Kenneth Casson Leighton [Wed, 12 May 2021 18:35:35 +0000 (19:35 +0100)]
experimentation with MMU-enabled LoadStore1 through PortInterface
added was a way to capture a snapshot of the incoming LD/ST request,
so that it can be re-presented after an MMU lookup.
Luke Kenneth Casson Leighton [Wed, 12 May 2021 14:33:04 +0000 (15:33 +0100)]
add debug info, update comments, disable dcache in test
all tracking down bugs in test_ldst_pi.py
Luke Kenneth Casson Leighton [Wed, 12 May 2021 14:07:09 +0000 (15:07 +0100)]
start doing virtual memory queries via PortInterface on LoadStore1
Luke Kenneth Casson Leighton [Wed, 12 May 2021 13:35:55 +0000 (14:35 +0100)]
whoops missing default zero (no idea how)
Luke Kenneth Casson Leighton [Wed, 12 May 2021 12:17:33 +0000 (13:17 +0100)]
addcomments for MMU PortInterface test (how it, um, doesnt actually use PortInterface? :)
Luke Kenneth Casson Leighton [Wed, 12 May 2021 12:15:05 +0000 (13:15 +0100)]
bit of a hack to get test_mmu_dcache_pi.py operational.
if missing data from the mem dictionary in wb_get, return zero
Luke Kenneth Casson Leighton [Wed, 12 May 2021 12:04:51 +0000 (13:04 +0100)]
whitespace
Luke Kenneth Casson Leighton [Wed, 12 May 2021 12:04:37 +0000 (13:04 +0100)]
no need for sel0
Luke Kenneth Casson Leighton [Tue, 11 May 2021 10:59:45 +0000 (11:59 +0100)]
pass through MSR.PR through PortInterface, into LoadStore1
Luke Kenneth Casson Leighton [Tue, 11 May 2021 10:52:53 +0000 (11:52 +0100)]
connect MSR.PR to PortInterface in LDSTCompUnit
Luke Kenneth Casson Leighton [Tue, 11 May 2021 10:46:33 +0000 (11:46 +0100)]
add msr_pr bit in PortInterface
Luke Kenneth Casson Leighton [Tue, 11 May 2021 10:44:42 +0000 (11:44 +0100)]
add MSR to LD/ST Input Record
Luke Kenneth Casson Leighton [Tue, 11 May 2021 10:07:55 +0000 (11:07 +0100)]
comment tidyup
Luke Kenneth Casson Leighton [Tue, 11 May 2021 10:05:57 +0000 (11:05 +0100)]
must also pass through instruction fault exception in LoadStore1
Luke Kenneth Casson Leighton [Tue, 11 May 2021 10:04:25 +0000 (11:04 +0100)]
whoops names changed in MMU FSM
Luke Kenneth Casson Leighton [Tue, 11 May 2021 09:56:56 +0000 (10:56 +0100)]
tidyup comments and remove LoadStore COMPLETE state
Luke Kenneth Casson Leighton [Tue, 11 May 2021 09:53:34 +0000 (10:53 +0100)]
cleanup on exception setting
Luke Kenneth Casson Leighton [Tue, 11 May 2021 09:45:29 +0000 (10:45 +0100)]
rename LoadStore1 data structures back to microwatt names
Luke Kenneth Casson Leighton [Mon, 10 May 2021 23:43:17 +0000 (00:43 +0100)]
add block for MMU activation to LoadStore1
Luke Kenneth Casson Leighton [Mon, 10 May 2021 23:35:18 +0000 (00:35 +0100)]
move LoadStore1 d_validblip setting, and get MMU_LOOKUP to re-run
the dcache request after the MMU_LOOKUP succeeds
Luke Kenneth Casson Leighton [Mon, 10 May 2021 23:25:53 +0000 (00:25 +0100)]
whoops, indentation issue on m.If/m.Else in dcache.py
Tobias Platen [Mon, 10 May 2021 17:41:58 +0000 (19:41 +0200)]
style-wise: use ~self.instr_fault not self.instr_fault==0
Tobias Platen [Mon, 10 May 2021 17:23:19 +0000 (19:23 +0200)]
LoadStore1: add rules for MMU_LOOKUP
Luke Kenneth Casson Leighton [Mon, 10 May 2021 13:15:49 +0000 (14:15 +0100)]
add links to set associative image, and bugreport
Luke Kenneth Casson Leighton [Sun, 9 May 2021 19:41:22 +0000 (20:41 +0100)]
add comments on translation of MMU_LOOKUP
Luke Kenneth Casson Leighton [Sun, 9 May 2021 19:34:39 +0000 (20:34 +0100)]
install MMU_LOOKUP vhdl to be translated to nmigen
Luke Kenneth Casson Leighton [Sun, 9 May 2021 19:32:45 +0000 (20:32 +0100)]
move (unused) ACK_WAIT code into FSM
remove another (unneeded) state, FINISH_LFS
sort-of got ACK_WAIT to flip over to IDLE but done has to be
asserted for longer than necessary. needs investigating
Luke Kenneth Casson Leighton [Sun, 9 May 2021 19:14:28 +0000 (20:14 +0100)]
add comments in LoadStore1
Luke Kenneth Casson Leighton [Sun, 9 May 2021 19:09:45 +0000 (20:09 +0100)]
remove invalid setting of d_in.valid from self.mmureq
Luke Kenneth Casson Leighton [Sun, 9 May 2021 19:05:42 +0000 (20:05 +0100)]
no SECOND_REQ
Luke Kenneth Casson Leighton [Sun, 9 May 2021 19:04:35 +0000 (20:04 +0100)]
remove SECOND_REQ
Tobias Platen [Sun, 9 May 2021 18:57:31 +0000 (20:57 +0200)]
src/soc/fu/ldst/loadstore.py drive output d_in.valid
Tobias Platen [Sun, 9 May 2021 17:00:50 +0000 (19:00 +0200)]
move skeleton to elaborate
Tobias Platen [Sun, 9 May 2021 16:57:55 +0000 (18:57 +0200)]
src/soc/fu/ldst/loadstore.py: add skeleton for fsm