Commit Graph

506 Commits

Author SHA1 Message Date
mmasserfrye
c8e43e9798 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
resolved merge conflict
2022-05-16 15:42:59 +00:00
mmasserfrye
2ca897620f tuning modules for ppa 2022-05-16 15:39:15 +00:00
David Harris
f5e2cff45a Cause simplification 2022-05-12 23:47:21 +00:00
David Harris
6303d4e81f Cause simplification 2022-05-12 23:39:10 +00:00
David Harris
c4621c5b6b Cause simplification 2022-05-12 23:37:40 +00:00
David Harris
7daf631c13 Cause simplification 2022-05-12 23:33:35 +00:00
David Harris
de51c7eeb3 Cause simplification 2022-05-12 23:33:22 +00:00
David Harris
803bfc4fe4 Cause simplification 2022-05-12 23:29:35 +00:00
David Harris
2d27d20db9 Cause simplification 2022-05-12 23:27:02 +00:00
David Harris
87dadc8208 trap/csr cleanup 2022-05-12 22:26:21 +00:00
David Harris
ea0d9fd9a8 More trap/csr simplification 2022-05-12 22:06:03 +00:00
David Harris
2eb6a65fa2 More trap/csr simplification 2022-05-12 22:04:20 +00:00
David Harris
2d8ccbd4ea More trap/csr simplification 2022-05-12 22:00:23 +00:00
David Harris
417e36bff5 More trap/csr simplification 2022-05-12 21:55:50 +00:00
David Harris
ca6b7716e2 Simplifying trap/csr interface 2022-05-12 21:50:15 +00:00
David Harris
56c154f2e7 Simplified MTVAL logic 2022-05-12 21:36:13 +00:00
David Harris
730bcac6ba Partitioned privileged pipeline registers into module 2022-05-12 20:45:45 +00:00
David Harris
c5868b81e4 privileged cleanup 2022-05-12 20:21:33 +00:00
mmasserfrye
517e44746e Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-05-12 20:20:40 +00:00
mmasserfrye
2675c217e0 cleaned lint for ppa.sv 2022-05-12 20:20:05 +00:00
David Harris
5537c33196 Formatting cleanup 2022-05-12 18:37:47 +00:00
mmasserfrye
57a69d0f67 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-05-12 18:08:20 +00:00
mmasserfrye
30a1ba7bcf renamed madzscript, modified ppa.sv alu and shifter 2022-05-12 18:05:02 +00:00
David Harris
449472ba58 Moved Breakpoint and Ecall fault logic into privdec 2022-05-12 16:45:53 +00:00
David Harris
9f8dca5190 Moved TLB Flush logic into privdec 2022-05-12 16:41:52 +00:00
David Harris
1d01bc98a4 Moved WFI timeout into privdec 2022-05-12 16:22:39 +00:00
David Harris
21c1e58829 Partitioned privilege mode fsm into new module 2022-05-12 16:16:42 +00:00
David Harris
61199ccd13 More signal cleanup 2022-05-12 15:39:44 +00:00
David Harris
4c5e361b00 More unused signal cleanup 2022-05-12 15:26:08 +00:00
David Harris
5acb526375 More unused signal cleanup 2022-05-12 15:21:09 +00:00
David Harris
7e764fbda1 More unused signal cleanup 2022-05-12 15:15:30 +00:00
David Harris
e2dea3bb89 Removed more unused signals, simplified csri state 2022-05-12 15:10:10 +00:00
David Harris
fb725a9e0a Clean up unused signals 2022-05-12 14:49:58 +00:00
David Harris
8372bc86a7 Removing unused signals 2022-05-12 14:36:15 +00:00
David Harris
15659b05e4 Simplifed mstatus.TSR handling 2022-05-12 14:09:52 +00:00
David Harris
877c4eefd1 Fixed typo in csrm 2022-05-12 06:55:39 -07:00
mmasserfrye
cf900cf44d Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-05-12 07:24:04 +00:00
mmasserfrye
52b0e7d567 filled in ppa.sv, madzscript.py now synthesizes in parallel in puts results in csv 2022-05-12 07:22:06 +00:00
David Harris
32f8841f79 Added MCONFIGPTR CSR hardwired to 0 2022-05-12 04:31:45 +00:00
David Harris
c738c130de merged ppa.sv 2022-05-11 18:14:16 +00:00
David Harris
e37d262e4c PPA script progress 2022-05-11 18:11:51 +00:00
mmasserfrye
70fe1184db ed
modified ppa.sv
2022-05-11 16:22:12 +00:00
David Harris
a8c9f504fa Added M prefix for MTimerInt and MSwInt to distinguish from future supervisor SwInt 2022-05-11 15:08:33 +00:00
David Harris
91472eb948 Removed M suffix from interrupts because they are generated asynchronously to pipeline 2022-05-11 14:41:55 +00:00
David Harris
91b786c58d Updated PPA experiment 2022-05-10 23:09:42 +00:00
David Harris
d53e4b1b1f Initial PPA study 2022-05-10 20:48:47 +00:00
David Harris
b869190161 endian swapper 2022-05-08 06:51:50 +00:00
David Harris
8066ba45e8 Preliminary support for big endian modes. Regression passes but no big endian tests written yet. 2022-05-08 06:46:35 +00:00
David Harris
2792d77e4e Fixed bug in delegated interrupts not being taken 2022-05-08 04:50:27 +00:00
David Harris
2cdd49c7d2 WFI terminates when an interrupt is pending even if interrupts are globally disabled 2022-05-08 04:30:46 +00:00
David Harris
7024293a59 Zero'd wfiM when ZICSR not supported to fix hang in E tests 2022-05-05 15:32:13 +00:00
David Harris
66424a8246 SFENCE.VMA should be illegal in user mode 2022-05-05 15:15:02 +00:00
David Harris
866540580a SFENCE.VMA should be illegal in user mode 2022-05-05 14:59:52 +00:00
David Harris
c100c9893b wally32priv and wally64priv now passing WALLY-status-tw. Fixed privileged.sv to produce the correct EPC on timeouts 2022-05-05 14:37:21 +00:00
David Harris
94459ade3d Changed WFI to stall pipeline in memory stage 2022-05-05 02:03:44 +00:00
David Harris
8eee0c0ca3 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-05-03 18:32:04 +00:00
David Harris
554c2b3550 Illegal instruction fault when running FPU instruction with STATUS_FS = 0 2022-05-03 18:32:01 +00:00
David Harris
cb1a7d54a4 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-05-03 08:53:35 -07:00
David Harris
4fbf78e049 clean up sram1p1rw; still doesn't work on Modelsim 2022.1 2022-05-03 08:31:54 -07:00
David Harris
9c4de0e9c1 FPU generates illegal instruction if MSTATUS.FS = 00 2022-05-03 11:56:31 +00:00
David Harris
dee32f70bf Switched to behavioral comparator for best PPA 2022-05-03 11:00:39 +00:00
David Harris
bc123b5564 Comparator experiments 2022-05-03 10:54:30 +00:00
David Harris
7e3f75a35d Formatting cache.sv 2022-05-03 10:53:20 +00:00
David Harris
bc132c3e20 sram1p1rw extra bits are complaining on Tera and VLSI; roll back to two always blocks to fix on Tera 2022-05-03 03:50:41 -07:00
David Harris
3f2ec0499f Rewriting sram1p1rw to combine CacheData into a single always_ff. Extra bits are still giving warning on VLSI that don't make sense. 2022-05-03 03:45:41 -07:00
David Harris
7268ff1fd4 Changed loop variable in CLINT because of error only seen on VLSI 2022-05-03 10:10:28 +00:00
David Harris
6e8b27de17 Added torture.tv test vectors 2022-04-27 13:08:36 +00:00
David Harris
ffd4713fd1 Checked in torture.tv 2022-04-27 13:06:24 +00:00
David Harris
9042844b38 Cleaned up canonical NaNs and removed denorm outputs in baby_torture.tv 2022-04-26 19:41:30 +00:00
Kip Macsai-Goren
8ad920fcb3 fixed initial value, timing on fs bits changing after floating point instruction 2022-04-25 19:17:29 +00:00
David Harris
cf1fde62fb Restored MPRV behavior per spec 2022-04-25 14:52:18 +00:00
David Harris
0ede295e88 Added dummy mstatus byte endianness fields tied to 0, mstatush register, removed UIE and UPIE depricated fields 2022-04-25 14:49:00 +00:00
David Harris
851d5e8c5e Added MTINST hardwired to 0, and added timeout of U-mode WFI 2022-04-24 20:00:02 +00:00
David Harris
16ad1e0cab Fixed InstrMisalignedFaultM mtval 2022-04-24 17:31:30 +00:00
David Harris
f1ddbb169c Improved priority order and mtval of traps to match spec 2022-04-24 17:24:45 +00:00
David Harris
03f84bf11c Extended sim time to fully boot Linux. Added comments to hazard unit 2022-04-24 13:51:00 +00:00
Kip Macsai-Goren
7bc6943527 Changed mtval for instruction misaligned fault to get address from ieuAdrM (Jal/branch target address) 2022-04-22 22:46:11 +00:00
bbracker
afc38abe08 change how tristate I/O is spoofed in GPIO loopback test 2022-04-21 10:31:16 -07:00
David Harris
5c607f2b6b Simplified profile for UART boot; added warnings on UART Rx errors 2022-04-21 04:54:45 +00:00
David Harris
1f7a95637a Added baby torture tests 2022-04-19 15:13:06 +00:00
David Harris
a8ad7be246 Fixed WFI decoding in IFU 2022-04-18 19:02:08 +00:00
Kip Macsai-Goren
1ba328324b Added GPIO loopback to let outputs cause interrupts 2022-04-18 07:22:49 +00:00
Shreya Sanghai
fd3920b217 replaced k with bpred size 2022-04-18 04:21:03 +00:00
David Harris
462158ea92 LSU name cleanup 2022-04-18 03:18:38 +00:00
David Harris
4a7effaf9e Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-04-18 01:30:11 +00:00
David Harris
2882460c94 Renamed FinalAMOWriteDataM to AMOWriteDataM 2022-04-18 01:30:03 +00:00
Ross Thompson
c045e3afd8 Added back the instret counter to ILA. 2022-04-17 18:44:07 -05:00
David Harris
2819a1c305 Remvoed bytemask anding from FinalWriteDataM in subwordwrite 2022-04-17 22:33:25 +00:00
David Harris
812b56acc6 Prefix comparator cleanup 2022-04-17 21:53:11 +00:00
David Harris
de5b61291f Experiments with prefix comparator; minor fixes in WFI and testbench warnings 2022-04-17 21:43:12 +00:00
Ross Thompson
059c04e2a8 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-04-17 15:23:46 -05:00
Ross Thompson
c16dec88de Increased uart baud rate to 230400.
Added uart signals to debugger.
2022-04-17 15:23:39 -05:00
David Harris
2436534687 First implementation of WFI timeout wait 2022-04-17 17:20:35 +00:00
David Harris
83d283354c Added comments in fcvt 2022-04-17 16:53:10 +00:00
David Harris
aa1bac361d Simplified SLT logic 2022-04-17 16:49:51 +00:00
Ross Thompson
16b3c64234 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-04-16 14:59:03 -05:00
Ross Thompson
b9a19304db Fixed possible bugs in LRSC. 2022-04-16 14:45:31 -05:00
David Harris
68d9c99fba Added WFI support to IFU to keep it in the pipeline 2022-04-14 17:26:17 +00:00
David Harris
855d68afde WFI should set EPC to PC+4 2022-04-14 17:05:22 +00:00
Ross Thompson
7d0462dc59 UART and clock speed changes to support 30Mhz. 2022-04-12 17:56:36 -05:00