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Author SHA1 Message Date
Ross Thompson
abe57e3fd0 Added comment about better muxing. 2021-07-21 14:40:14 -05:00
Ross Thompson
3d79dc51bb 4 way set associative is now working. 2021-07-21 14:01:14 -05:00
Ross Thompson
39fc9278ba Fixed remaining bugs in 2 way set associative dcache. 2021-07-21 10:35:23 -05:00
Ross Thompson
ba3aed8760 Finally fixed bug with the set associative design. The issue was not in the LRU but instead in the way selection mux. 
Also forgot to include cacheLRU.sv file.
 2021-07-20 23:17:42 -05:00
Ross Thompson
8d0a552b5b Partially working 2 way set associative d cache. 2021-07-20 17:51:42 -05:00
Ross Thompson
a042c356e1 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-20 13:27:58 -05:00
Ross Thompson
bb5b5e71b1 Replaced FinalReadDataM with ReadDataM in dcache. 2021-07-20 13:27:29 -05:00
Abe
38e24aacdd Updated riscv64-unknown-elf-gcc location so that it can be easily accessed 2021-07-20 14:18:13 -04:00
bbracker
7694342d4e ignore mhpmcounters because QEMU doesn't implement them 2021-07-20 13:37:52 -04:00
bbracker
761300afcd Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-20 12:08:46 -04:00
David Harris
c117356432 Parameterized I$/D$ configurations and added sanity check assertions in testbench 2021-07-20 08:57:13 -04:00
bbracker
3de8461f3c Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-20 05:40:49 -04:00
bbracker
c9775de3b2 testbench hack to ignore MTVAL for illegal instr faults; testbench upgrade to not check PCW for illegal instr faults; testbench hack to not check speculative instrs following an MRET (it seems MRET has 1 stage more latency than a branch instr) 2021-07-20 05:40:39 -04:00
James E. Stine
b36d6fe1be slight mod to fpdiv - still bug in batch vs. non-batch 2021-07-20 01:47:46 -04:00
bbracker
5347a58192 major fixes to CSR checking 2021-07-20 00:22:07 -04:00
Ross Thompson
ae2371f2ce Added performance counters for dcache access and dcache miss. 2021-07-19 22:12:20 -05:00
Ross Thompson
07c47f0034 Restored TIM range. 2021-07-19 21:17:31 -05:00
bbracker
a01fea69dd Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-19 19:30:40 -04:00
bbracker
af5d319f08 change debugBuildroot because GDB formatted list is now 50 lines long per instruction (we lost 6 CSRs on the whole) 2021-07-19 19:30:29 -04:00
David Harris
678f705415 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-19 18:19:59 -04:00
David Harris
b2f7952b3d Added cache configuration to config files 2021-07-19 18:19:46 -04:00
bbracker
aeaf4a31f0 MemRWM shouldn't factor into PCD checking 2021-07-19 18:03:30 -04:00
bbracker
30c381c707 create qemu_output.txt 2021-07-19 18:02:41 -04:00
bbracker
45b78dd8b3 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-19 17:11:49 -04:00
bbracker
5911029d2b make testbench ignore MIP because of timing imprecision and because QEMU maybe isn't getting MTIP right anyways 2021-07-19 17:11:42 -04:00
Kip Macsai-Goren
3a73ae0a8b Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-19 16:46:46 -04:00
bbracker
bb2e3b1e02 remove busybear from regression because it is not keeping up with buildroot's changes to testbench-linux 2021-07-19 16:22:05 -04:00
bbracker
78e513160e put MTIMECMP's reset value back to 0 because the reset value of -1 broke the MCAUSE tests 2021-07-19 16:19:24 -04:00
bbracker
d603f4ea57 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-19 15:42:26 -04:00
bbracker
009e9d97bf adapt testbench to removal of ReadDataWEn signal 2021-07-19 15:42:14 -04:00
bbracker
02de6014b2 adapt testbench to removal of signal 2021-07-19 15:41:50 -04:00
bbracker
76be84fa92 whoops MTIMECMP is always 64 bits 2021-07-19 15:40:53 -04:00
Abe
55391a8ef6 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-19 15:20:38 -04:00
kipmacsaigoren
cbbfc2d3fc removed Wally test framwork include statement 2021-07-19 19:15:11 +00:00
bbracker
fb6e618b1c Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-19 15:13:14 -04:00
bbracker
77b690faf0 make testbench check the same CSRs that QEMU logs; change CLINT to reset MTIMECMP to -1 so that we don't instantly get a timer interrupt upon reset 2021-07-19 15:13:03 -04:00
Kip Macsai-Goren
c1c564d54c added changes to priority encoders from synthesis branch (correctly this time I hope) 2021-07-19 15:06:14 -04:00
Ross Thompson
5edd513f8c Furture simplification of the dcache ReadDataW update. 2021-07-19 12:46:31 -05:00
Ross Thompson
5754b5f25f Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-19 12:32:35 -05:00
Ross Thompson
2ee97efb9c Fixed a complex bug in the dcache, where back to back loads would lose data on the load before a stall occurred. The solution was to modify the logic for SelAdrM in the dcache so that a stall would cause the SRAM to reread the address in the Memory stage rather than Execution stage. This also required updating the ReadDataWEn control so it is always enabled on ~StallW. 2021-07-19 12:32:16 -05:00
bbracker
8cbd83e804 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-19 13:21:04 -04:00
bbracker
2702064dda change buildroot expectations to match reality 2021-07-19 13:20:53 -04:00
Kip Macsai-Goren
0c8a179c0b rename page table levels 2021-07-19 13:00:59 -04:00
Kip Macsai-Goren
6f5e1b9d01 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-19 13:00:25 -04:00
bbracker
986b7a8252 change sram1rw to have a small delay so that we don't have signals changing on clock edges 2021-07-19 11:30:07 -04:00
Kip Macsai-Goren
f9fdd456bd Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-19 10:56:48 -04:00
Kip Macsai-Goren
9c7158bfc9 Revert "added priority circuit to attempt to remove delay due to rippling in pmpadrdec" 
This reverts commit 9461fd9fbd51e17a416a7df6982379fbfa6b0974.
 2021-07-19 10:46:17 -04:00
David Harris
1b55f584c7 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-19 10:34:18 -04:00
Kip Macsai-Goren
704444a3c5 added priority circuit to attempt to remove delay due to rippling in pmpadrdec 2021-07-19 10:34:17 -04:00
James Stine
62b4ef6953 delete sbtm_a4 and sbtm_a5 as they are not needed 2021-07-19 08:06:00 -05:00