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218 Commits

Author SHA1 Message Date
Ross Thompson
020fb65adf Fixed icache for 32 bit. 
Merge branch 'cache' into main
 2021-04-22 16:45:29 -05:00
Thomas Fleming
6acaa313b5 Temporarily disable rv64 mmu test 
Will restore once cache revamp is pushed
 2021-04-22 13:19:18 -04:00
Domenico Ottolia
44da1488ff Add tests for stval and mtval 2021-04-21 02:31:32 -04:00
Domenico Ottolia
f63f16f486 Add tests for scause, and improve tests for sepc. Also make improvements to privileged test generator run.sh file 2021-04-21 01:12:55 -04:00
Domenico Ottolia
bf86a809eb Add tests for sepc register 2021-04-20 23:50:53 -04:00
Ross Thompson
251ece20fe Broken icache. Design is done. Time to debug. 2021-04-20 19:55:49 -05:00
Jarred Allen
850f728cc7 Merge branch 'main' into cache 2021-04-19 00:05:23 -04:00
bbracker
290b3424e5 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-04-15 21:09:27 -04:00
bbracker
368c94d4ff working GPIO interrupt demo 2021-04-15 21:09:15 -04:00
Domenico Ottolia
9f13ee3f31 Add tests for scause and ucause 2021-04-15 19:41:25 -04:00
Domenico Ottolia
531423d7e1 Add 32 bit privileged tests 2021-04-15 16:55:39 -04:00
Jarred Allen
81c02bda55 Merge branch 'main' into cache 2021-04-15 13:47:19 -04:00
Thomas Fleming
3c49fd08f6 Remove imem from testbenches 2021-04-14 20:20:34 -04:00
Jarred Allen
c1e2e58ebe Merge branch 'main' into cache 
Conflicts:
	wally-pipelined/src/cache/dmapped.sv
	wally-pipelined/src/cache/line.sv
	wally-pipelined/src/ifu/icache.sv
 2021-04-14 18:24:32 -04:00
bbracker
8f7ddcfdff rv64 interrupt servicing 2021-04-14 10:19:42 -04:00
Jarred Allen
fc8b8ad7aa A few more cache fixes 2021-04-13 01:07:40 -04:00
Jarred Allen
d99b8f772e Merge from branch 'main' 2021-04-08 17:19:34 -04:00
bbracker
1ee8feffe5 integrated peripheral testing into existing workflow 2021-04-08 15:31:39 -04:00
bbracker
755e2e5771 merge testbench 2021-04-08 14:28:01 -04:00
Domenico Ottolia
65abe13f4f Cause an Illegal Instruction Exception when attempting to write readonly CSRs 2021-04-08 05:12:54 -04:00
Thomas Fleming
303c2c4839 Implement support for superpages 2021-04-08 02:44:59 -04:00
Ross Thompson
4322694f7a Switch to use RV64IC for the benchmarks. 
Still not working correctly with the icache.

instr
addr   correct   got
 2021-04-07 19:12:43 -05:00
Domenico Ottolia
60cf38192b Add privileged tests to testbench 2021-04-07 02:22:08 -04:00
Domenico Ottolia
465d3986b0 Add passing mtval and mepc tests 2021-04-07 02:21:05 -04:00
Ross Thompson
c91436d3b7 Merge branch 'icache_bp_bug' into tests 
Not sure this merge is right.
 2021-04-06 21:46:40 -05:00
Ross Thompson
bff2d61a1f Steps to getting branch predictor benchmarks running. 2021-04-06 21:20:51 -05:00
Thomas Fleming
dbd5a4320e Merge branch 'mmu' into main 
Conflicts:
	wally-pipelined/src/wally/wallypipelinedhart.sv
 2021-04-03 22:12:52 -04:00
Thomas Fleming
8dfec29f7e Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-03 22:09:50 -04:00
Katherine Parry
d7b1379ab8 Integrated FPU 2021-04-03 20:52:26 +00:00
James E. Stine
0595ae983f Put back imperas testbench until figure out why m_supported is running for rv64ic 2021-04-02 08:19:25 -05:00
James E. Stine
cff08adc3a Added some updates to divider - still not working all the time. Still a bug with signals within muldiv - specificaly MultDivE being modified during Execute stage. Seems to be triggered by ahblite signal. 2021-04-02 06:27:37 -05:00
Thomas Fleming
fdb20ee1cf Implement sfence.vma and fix tlb writing 2021-04-01 15:55:05 -04:00
Ross Thompson
a64a37d702 Merge of main with the new icache and the branch predictor. I believe there is a bug in the icache with unaligned memory access. The second part of the access is incorrectly relying on the PCF being the address of the next two bytes of the instruction. However this is not always the case as the branch predictor can get the wrong target address. The icache needs to generate the +2 address internally. 2021-03-30 23:18:20 -05:00
Thomas Fleming
eca2427f94 Merge remote-tracking branch 'origin/main' into main 
Bring icache and MMU code together

Conflicts:
	wally-pipelined/src/ifu/ifu.sv
	wally-pipelined/testbench/testbench-imperas.sv
 2021-03-30 22:24:47 -04:00
Thomas Fleming
7126ab7864 Complete basic page table walker 2021-03-30 22:19:27 -04:00
Thomas Fleming
0994d03b28 Update virtual memory tests and move to separate folder 2021-03-30 22:18:29 -04:00
Domenico Ottolia
f7cbaeb217 Add one more test to WALLY-CAUSE, and update privileged testgen 2021-03-30 19:44:58 -04:00
Domenico Ottolia
6619a5f44f Add mcause tests to testbench 2021-03-30 17:17:59 -04:00
ushakya22
6b9ae41302 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-30 15:25:07 -04:00
Jarred Allen
631454ccf9 Merge branch 'cache2' into cache 
Conflicts:
	wally-pipelined/testbench/testbench-imperas.sv
 2021-03-30 13:32:33 -04:00
Jarred Allen
6e83ccc3c4 Comment out failing tests 2021-03-30 13:07:26 -04:00
Jarred Allen
108f18e580 Merge branch 'cache' into main 2021-03-30 12:56:19 -04:00
Jarred Allen
7ca57cc4fc Merge branch 'main' into cache 
Conflicts:
	wally-pipelined/regression/wave-dos/ahb-waves.do
	wally-pipelined/src/ifu/ifu.sv
	wally-pipelined/testbench/testbench-busybear.sv
	wally-pipelined/testbench/testbench-imperas.sv
 2021-03-30 12:55:01 -04:00
David Harris
8723fb916c Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-26 13:04:52 -04:00
David Harris
637bba6509 Added fp test to testbench 2021-03-26 13:03:23 -04:00
Shreya Sanghai
cc988f420f removed minor bugs 2021-03-25 20:29:50 -04:00
ShreyaSanghai
139c2076a1 Removed PCW and InstrW from ifu 2021-03-26 01:53:19 +05:30
Jarred Allen
3b4f0141f4 Begin work on compressed instructions 2021-03-25 14:43:10 -04:00
Jarred Allen
602271ff7b rv64i linear control flow now working 2021-03-25 13:02:26 -04:00
Ross Thompson
11109e5a88 Updated the function radix to have a new name FunctionName and it now pervents false transisions from the current function name when the PCD is flushed. 2021-03-24 13:03:43 -05:00
Ross Thompson
5edc90b1c2 added a whole bunch of interseting test code for branches which does not work. 2021-03-23 13:54:59 -05:00
Ross Thompson
9e61481414 Added first benchmark. 2021-03-23 13:54:59 -05:00
Ross Thompson
e1842c8da6 Broken commit. Trying to get exe2memfile.pl to work correctly with non 0x8000_0000 starting addresses. 2021-03-23 13:54:59 -05:00
Jarred Allen
b871bfe714 Update icache interface 2021-03-22 15:04:46 -04:00
Jarred Allen
097e8edb3d Put Imperas testbench back 2021-03-20 18:19:51 -04:00
Jarred Allen
a2bf5ac202 Fix another bug in the icache (why so many of them?) 2021-03-20 17:54:40 -04:00
Jarred Allen
279c09b27c Merge changes from main 2021-03-18 18:58:10 -04:00
Shreya Sanghai
bbe0957df5 Merge branch 'gshare' into main 
Conflicts:
	wally-pipelined/regression/wave.do
 2021-03-18 17:25:48 -04:00
Jarred Allen
e69376c823 Merge branch 'main' into cache 
Conflicts:
	wally-pipelined/testbench/testbench-imperas.sv
 2021-03-17 16:40:52 -04:00
Ross Thompson
9f8f0242ca Added possibly working OSU test bench as a precursor to running a bp benchmark. 
Fixed a few bugs with the function radix.
 2021-03-17 11:06:32 -05:00
Shreya Sanghai
9eed875886 added global history branch predictor 2021-03-16 16:06:40 -04:00
Jarred Allen
36452749d7 Merge remote-tracking branch 'origin/main' into cache 2021-03-15 19:08:25 -04:00
Ross Thompson
4c8952de6a Converted branch predictor preloads to use system verilog rather than modelsim's load command. 2021-03-15 12:39:44 -05:00
Jarred Allen
926235b180 Merge upstream changes 2021-03-14 14:57:53 -04:00
Ross Thompson
7ceef2b0c6 Fixed the issue with the batch mode not working after adding the function radix. 2021-03-12 20:16:03 -06:00
Ross Thompson
6ee97830f7 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-12 14:58:04 -06:00
David Harris
56b690ccb9 Drafted rv32a tests 2021-03-12 00:06:23 -05:00
David Harris
865c103599 64-bit AMO debugged 2021-03-11 23:18:33 -05:00
Ross Thompson
318b642359 Improve version of the function radix which does not cause the wave file rendering to slow down. 2021-03-11 17:12:21 -06:00
Jarred Allen
4757794887 Return testbench to normal 2021-03-10 22:58:41 -05:00
Ross Thompson
845115302e Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-10 15:37:02 -06:00
Ross Thompson
f92f766573 Added debug option to disable the function radix if not needed. 
Function radix slows the simulation by 70 to 76 s (8.5%) for the rv64i tests.
 2021-03-10 15:17:02 -06:00
Ross Thompson
dcae90e3ad I finally think I got the function radix debugger working across both 32 and 64 bit applications. 2021-03-10 14:43:44 -06:00
Ross Thompson
50a92247b3 Finally I think I have the function radix mapping across all applications correctly. I still need to clean up the code a bit so it is easier to understand. 2021-03-10 11:00:51 -06:00
Jarred Allen
ae9bcc174d Merge upstream changes 2021-03-09 21:20:34 -05:00
Jarred Allen
3172be3039 More progress 2021-03-09 21:16:07 -05:00
David Harris
17c0f9629a WALLY-LRSC atomic test passing 2021-03-09 09:28:25 -05:00
Noah Boorstin
86142e764a Merge branch 'main' into busybear 2021-03-05 20:27:19 +00:00
Jarred Allen
41f682f848 Partial progress towards compressed instructions 2021-03-04 18:30:26 -05:00
Noah Boorstin
dfae278ffb busybear: make imperas tests work again 2021-03-04 22:44:49 +00:00
Jarred Allen
106718b196 Remove rd2, working for non-compressed 2021-03-04 16:46:43 -05:00
Ross Thompson
66e84f3a2c Merge branch 'bp' into main 
Concerns:
1. I don't think the correct data buses are going to the multiplier.
2. I'm not sure the FlushF signal is correct.
 2021-03-04 13:35:46 -06:00
bbracker
448cba2a5b JALR testing 2021-03-04 10:37:30 -05:00
David Harris
2543c29839 Initial (untested) implementation of lr and sc 2021-03-01 00:09:45 -05:00
Ross Thompson
7592a0dacb Shreya and I found a bug with the exeuction of JAL and JALR instructions. The link was only set in the writeback stage. Once the branch predictor started correctly predicting JAL(R)s the ALU and forwarding logic need to have the PCLinkE at the execution stage in case an instruction in the next two clocks need the data. 2021-02-26 20:12:27 -06:00
Ross Thompson
37e6a45d76 Updating the test bench to include a function radix. Not done. 2021-02-26 19:43:40 -06:00
David Harris
cf03afa880 Eliminated flushing pipeline on CSR reads 2021-02-26 17:00:07 -05:00
David Harris
d00d42cf9a Merged bus into main 2021-02-25 00:28:41 -05:00
David Harris
f5e9c91193 All tests passing with bus interface 2021-02-24 07:25:03 -05:00
David Harris
c52a99ce2d Fixed fetch stall after jump in bus unit 2021-02-23 09:08:57 -05:00
David Harris
817f81c356 Debugging Bus interface 2021-02-22 13:48:30 -05:00
Ross Thompson
c6ebe7733b Hacked the sram memory models to reset their internal registers. This allows the simulation to run but is only temporary. 
About 149307ns of simulation run.
 2021-02-18 21:32:15 -06:00
David Harris
cb0054b524 Multiply instructions working 2021-02-17 15:29:20 -05:00
David Harris
8dec69c2ce Added MUL 2021-02-15 22:27:35 -05:00
Domenico Ottolia
75d9091fe8 Add privileged test cases 2021-02-14 17:01:46 -05:00
Shreya Sanghai
30bfd7534c added branch tests 2021-02-12 22:40:08 -05:00
Tejus Rao
5158ca4220 added test cases for ADDW, SUBW, SLLW, SRLW, SRAW 2021-02-11 13:38:38 -05:00
ethan-falicov
9edc4b6bfe Fixed merge conflict stuff 2021-02-10 10:03:30 -05:00
ethan-falicov
7e8a58de1a More merge conflicts yay 2021-02-10 09:54:30 -05:00
ethan-falicov
f778f464b7 Merge conflict fixing 2021-02-10 09:45:47 -05:00
ethan-falicov
06541260e0 Adding I Type test cases from Lab 1 2021-02-10 09:39:43 -05:00
David Harris
183a2dcfb5 Debugging bus interface. 2021-02-10 01:43:54 -05:00
David Harris
2357f5513b Debugging instruction fetch 2021-02-09 11:02:17 -05:00
David Harris
3551cc859b Data memory bus integration 2021-02-07 23:21:55 -05:00
Jarred Allen
403a0d033c Fix compile error in imperas testbench 2021-02-07 15:48:12 -05:00
Elizabeth Hedenberg
81a1eb9a74 merge conflict? 2021-02-07 02:34:49 -05:00
Jarred Allen
48ade25577 Actually run the WALLY-LOAD tests 2021-02-06 14:56:40 -05:00
bbracker
691d651fde JAL testing 2021-02-05 08:08:42 -05:00
Thomas Fleming
8588a1ed6b Complete STORE tests 2021-02-04 15:38:22 -05:00
David Harris
396cea1ea7 Reorganized src hierarchically 2021-01-30 11:50:37 -05:00
David Harris
9c81278f28 Added HCLK and HRESETn 2021-01-30 00:56:12 -05:00
David Harris
a357f2a0e7 Connected AHB bus to Uncore 2021-01-29 23:43:48 -05:00
David Harris
dc2443c55b Moving data memory to uncore 2021-01-29 15:37:51 -05:00
David Harris
ed3cb83c10 Added ahblite bus interface unit 2021-01-29 01:07:17 -05:00
David Harris
824014c5c0 Repartitioned with Instruction Fetch Unit, Integer Execution Unit 2021-01-27 22:49:47 -05:00
David Harris
616afaba69 Moved privileged unit from datapath to hart 2021-01-27 07:46:52 -05:00
David Harris
b88508ca11 Repartitioned datapath and controller into ieu 2021-01-27 06:40:26 -05:00
David Harris
fa18052348 Added test configurations 2021-01-25 11:28:43 -05:00