Luke Kenneth Casson Leighton [Wed, 15 Jul 2020 13:53:15 +0000 (14:53 +0100)]
comments on IntegerData class
Luke Kenneth Casson Leighton [Wed, 15 Jul 2020 13:52:12 +0000 (14:52 +0100)]
import PipeContext not FPPipeContext
Luke Kenneth Casson Leighton [Wed, 15 Jul 2020 13:38:46 +0000 (14:38 +0100)]
minor reorg on PowerDecoder2, use switch/case rather than if/or
Luke Kenneth Casson Leighton [Wed, 15 Jul 2020 13:29:36 +0000 (14:29 +0100)]
comments on SPRmap done in PowerDecode2
Luke Kenneth Casson Leighton [Wed, 15 Jul 2020 13:28:12 +0000 (14:28 +0100)]
comments on SPRmap done in PowerDecode2
Luke Kenneth Casson Leighton [Wed, 15 Jul 2020 13:21:23 +0000 (14:21 +0100)]
use case statement in PowerDecode2
Luke Kenneth Casson Leighton [Wed, 15 Jul 2020 13:13:28 +0000 (14:13 +0100)]
select RA based on LDSTMode.update in PowerDecode2
Luke Kenneth Casson Leighton [Wed, 15 Jul 2020 13:10:30 +0000 (14:10 +0100)]
add cache cx to LDSTMode
Luke Kenneth Casson Leighton [Wed, 15 Jul 2020 13:05:28 +0000 (14:05 +0100)]
remove unused class XerBits
Luke Kenneth Casson Leighton [Wed, 15 Jul 2020 10:49:52 +0000 (11:49 +0100)]
use Record Assert and also check muxid
see https://bugs.libre-soc.org/show_bug.cgi?id=429#c3
Luke Kenneth Casson Leighton [Wed, 15 Jul 2020 10:18:27 +0000 (11:18 +0100)]
no need to check individual port members, just check the Record (dut.i.ctx.op)
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 19:59:59 +0000 (20:59 +0100)]
cookie-cut setup from alu proof_main_stage.py
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 19:54:21 +0000 (20:54 +0100)]
reduce code size by using CompOpSubsetBase for ALU and Logical
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 19:43:22 +0000 (20:43 +0100)]
split out CompOpSubsetBase (meaning to do for a while)
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 19:31:49 +0000 (20:31 +0100)]
update docstrings
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 19:31:38 +0000 (20:31 +0100)]
adding MSR.PR unit test intended to activate privileged trap
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 19:31:05 +0000 (20:31 +0100)]
attempting to access self.msr directly
Samuel A. Falvo II [Tue, 14 Jul 2020 19:17:45 +0000 (12:17 -0700)]
SPR: FV that should fail currently passes
WIP. Cannot figure out why this is not failing. Code review requested.
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 15:06:29 +0000 (16:06 +0100)]
set up masks for OP_RL* formal proof
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 13:05:38 +0000 (14:05 +0100)]
add priv instruction checking to ISACaller simulator
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 12:00:19 +0000 (13:00 +0100)]
add in privileged instruction decision-making in PowerDecode2
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 11:43:53 +0000 (12:43 +0100)]
add MSR reading to issue FSM
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 11:00:54 +0000 (12:00 +0100)]
comments on PowerDecode2
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 10:47:05 +0000 (11:47 +0100)]
add MSR to PowerDecoder2
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 10:42:29 +0000 (11:42 +0100)]
disable cxxsim test
Luke Kenneth Casson Leighton [Tue, 14 Jul 2020 10:41:41 +0000 (11:41 +0100)]
attempting running cxxsim on ALU pipeline test
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 22:59:34 +0000 (23:59 +0100)]
first attempt running cxxsim
Tobias Platen [Tue, 14 Jul 2020 05:32:42 +0000 (07:32 +0200)]
fix path to nmigen-soc.git
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 19:30:39 +0000 (20:30 +0100)]
whitespace
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 19:28:11 +0000 (20:28 +0100)]
formal proof of OP_EXTSWSLI
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 19:27:56 +0000 (20:27 +0100)]
quick test showing how left/right mask work
Tobias Platen [Mon, 13 Jul 2020 18:13:03 +0000 (20:13 +0200)]
add nmigen-soc to .gitlab-ci.yml
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 18:07:08 +0000 (19:07 +0100)]
add mtmsrd instruction and unit test
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 15:14:24 +0000 (16:14 +0100)]
comments
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 15:07:09 +0000 (16:07 +0100)]
attempting formal proof of OP_EXTSWSLI
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 14:13:21 +0000 (15:13 +0100)]
reduce rotl module to one line (use bit_select)
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 13:55:04 +0000 (14:55 +0100)]
document rb as sh
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 13:45:09 +0000 (14:45 +0100)]
increase range of test values for extswsli
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 13:21:44 +0000 (14:21 +0100)]
add EXTSWSLI "pass" to formal shift_rot proof
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 13:18:14 +0000 (14:18 +0100)]
remove unneeded spec patching
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 13:17:34 +0000 (14:17 +0100)]
enable extswsli tests, fix spec-patching
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 12:03:28 +0000 (13:03 +0100)]
add regression test, simulator is wrong
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 12:02:22 +0000 (13:02 +0100)]
add simulator test against qemu for extswsli
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 11:55:48 +0000 (12:55 +0100)]
fix read of sliced register
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 10:30:30 +0000 (11:30 +0100)]
not perfect but close enough: add read registers RA/S/B/C in parser
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 10:27:08 +0000 (11:27 +0100)]
add extswsli unit test
Luke Kenneth Casson Leighton [Mon, 13 Jul 2020 10:02:15 +0000 (11:02 +0100)]
add link to rotator, sign-extend mode OP_EXTSWSLI
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 22:01:50 +0000 (23:01 +0100)]
rename InternalOp to MicrOp
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 21:08:45 +0000 (22:08 +0100)]
attempting to get test_trap_sim working, seems to switch mode
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 20:55:54 +0000 (21:55 +0100)]
submodule update
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 20:55:48 +0000 (21:55 +0100)]
add OP_ATTN test back in
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 20:48:36 +0000 (21:48 +0100)]
exit FSM when termination detected
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 20:32:44 +0000 (21:32 +0100)]
code-morph on core connect_instruction
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 20:04:24 +0000 (21:04 +0100)]
modify PowerDecoder to read LDSTMode correctly
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 19:46:47 +0000 (20:46 +0100)]
change CSV LD/ST update field to LDSTMode (support cix)
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 12:33:19 +0000 (13:33 +0100)]
return unsigned int from binary reading
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 12:13:09 +0000 (13:13 +0100)]
update submodule
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 10:46:22 +0000 (11:46 +0100)]
missed setting of link register on OP_BC in PowerDecoder2
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 04:10:10 +0000 (05:10 +0100)]
msb of instruction causing sign-overflow
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 03:46:31 +0000 (04:46 +0100)]
add std and stdu ldst unit tests
Luke Kenneth Casson Leighton [Sun, 12 Jul 2020 03:46:04 +0000 (04:46 +0100)]
update-mode request write signalled too early
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 22:48:46 +0000 (23:48 +0100)]
sort out core write latching: gate by busy, and use CompUnit dest output
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 22:24:20 +0000 (23:24 +0100)]
* clarifying core function unit enable
* disabling wrflag based on fu busy
* NOP enabled when not stopped
g
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 22:13:44 +0000 (23:13 +0100)]
add bigendian flag
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 21:53:19 +0000 (22:53 +0100)]
add endian
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 21:50:37 +0000 (22:50 +0100)]
fix spr setting, set endianness
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 21:48:58 +0000 (22:48 +0100)]
sigh spelling
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 21:46:10 +0000 (22:46 +0100)]
add bigendian
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 20:06:51 +0000 (21:06 +0100)]
more setting bigendian
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 20:01:47 +0000 (21:01 +0100)]
add bigendian mode to helloworld test
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 16:38:14 +0000 (17:38 +0100)]
sort out big/little endian startup on qemu
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 16:34:07 +0000 (17:34 +0100)]
sorting out bigendian/littleendian including in qemu
qemu is a pain!
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 11:35:23 +0000 (12:35 +0100)]
whoops output trunc_divs not trunc_div
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 11:02:29 +0000 (12:02 +0100)]
add random mulhd and mulld tests
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 10:26:20 +0000 (11:26 +0100)]
enable mul tests after sorting pseudo-code mul overflow
Luke Kenneth Casson Leighton [Sat, 11 Jul 2020 10:08:48 +0000 (11:08 +0100)]
special test for mul hw to cope with ignoring OE flag
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 20:09:30 +0000 (21:09 +0100)]
add a DIVS function as separate and discrete from floor_div
likewise for MODS and MULS
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 15:29:07 +0000 (16:29 +0100)]
add random unsigned div tests
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 15:28:24 +0000 (16:28 +0100)]
add overflow div tests
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 15:28:12 +0000 (16:28 +0100)]
propagate missing parameters from div
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 15:27:01 +0000 (16:27 +0100)]
code comments
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 15:16:12 +0000 (16:16 +0100)]
do not set div result if overflow occurs
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 15:05:23 +0000 (16:05 +0100)]
re-enable div random tests and other regressions
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 15:04:08 +0000 (16:04 +0100)]
check for div_overflow equal to None rather than == 1
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 13:30:28 +0000 (14:30 +0100)]
re-add rc/oe back into LDST input record
this for later use with st*cx because it writes CR and OV (and SO)
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 13:21:48 +0000 (14:21 +0100)]
whew panic over, missed a bigendian argument in test_compunit.py
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 13:12:50 +0000 (14:12 +0100)]
add test7 div regression
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 09:40:15 +0000 (10:40 +0100)]
add more debug output for #425
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 09:16:28 +0000 (10:16 +0100)]
add debugging chain for #425
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 09:15:52 +0000 (10:15 +0100)]
update submodule
Luke Kenneth Casson Leighton [Fri, 10 Jul 2020 08:44:27 +0000 (09:44 +0100)]
cut/paste error writing to wrong vcd file
Jacob Lifshay [Fri, 10 Jul 2020 00:21:37 +0000 (17:21 -0700)]
switch to using Signal.width instead of Signal.shape()[0] since Shape isn't a tuple anymore
see https://github.com/nmigen/nmigen/pull/422
Jacob Lifshay [Fri, 10 Jul 2020 00:21:19 +0000 (17:21 -0700)]
format file
Jacob Lifshay [Fri, 10 Jul 2020 00:19:29 +0000 (17:19 -0700)]
update libreriscv submodule
Luke Kenneth Casson Leighton [Thu, 9 Jul 2020 23:18:53 +0000 (00:18 +0100)]
add regression test for div overflow case
see https://bugs.libre-soc.org/show_bug.cgi?id=425
Luke Kenneth Casson Leighton [Thu, 9 Jul 2020 21:20:41 +0000 (22:20 +0100)]
slightly different so handling in common output stage
Luke Kenneth Casson Leighton [Thu, 9 Jul 2020 21:08:55 +0000 (22:08 +0100)]
also set so only if OE requires it
Luke Kenneth Casson Leighton [Thu, 9 Jul 2020 21:08:15 +0000 (22:08 +0100)]
debug information related to 32/64 bit mode
Luke Kenneth Casson Leighton [Thu, 9 Jul 2020 21:07:06 +0000 (22:07 +0100)]
bug #424 - 32/64 bit is a *global* flag not a per-op one
when it comes to setting CR0
Luke Kenneth Casson Leighton [Thu, 9 Jul 2020 20:10:37 +0000 (21:10 +0100)]
test top bit 31 in 32-bit mode for CR0 creation