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3,835 Commits 4 Branches 2 Tags 53 MiB
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124 Commits

Author SHA1 Message Date
Katherine Parry
62205ebb3b renamed FLoad2 to FStore2 2022-07-09 00:26:45 +00:00
Katherine Parry
97e7e619d9 moved fpu ieu write data mux to lsu 2022-07-08 23:56:57 +00:00
Madeleine Masser-Frye
ad29e19a27 fixed width mismatch for rv64 ieuadrM and readdatawordM 2022-07-06 22:39:35 +00:00
Katherine Parry
8f98f3bfab added rv32 double precision stores - untested 2022-06-28 21:33:31 +00:00
slmnemo
be658d3933 Reworked AHB fsm to support one cycle latency read and writes, renamed key signals to better reflect their use, and fixed HTRANS errors 2022-06-08 15:03:15 -07:00
slmnemo
a5aa75e5de Merge branch 'main' into cacheburstmode 2022-06-08 02:21:33 +00:00
slmnemo
1d22fc707a Added lock signal to ensure AHB speaks with the right bus 2022-06-08 02:19:21 +00:00
slmnemo
90c5e5d319 Reworked bus to handle burst interfacing 2022-06-07 11:22:53 +00:00
David Harris
129fab3794 Provided sfencevmaM to hazard unit and renamed TLBFlush signals to sfencevma going into LSU/IFU. Preparing for SFENCE.VMA to flush the pipeline, but that is not yet working. 2022-06-02 14:18:55 +00:00
slmnemo
efce3e4953 added LSUBurstDone signal to signal when a burst has finished 2022-05-26 16:29:13 -07:00
slmnemo
80965f953c added burst size signals to the IFU, EBU, LSU, and busdp 2022-05-25 18:02:50 -07:00
slmnemo
c84731d6d0 Fixed grammar on two comments in bpred.sv 2022-05-16 22:41:18 +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
94459ade3d Changed WFI to stall pipeline in memory stage 2022-05-05 02:03:44 +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
David Harris
a8ad7be246 Fixed WFI decoding in IFU 2022-04-18 19:02:08 +00:00
Shreya Sanghai
fd3920b217 replaced k with bpred size 2022-04-18 04:21:03 +00:00
David Harris
68d9c99fba Added WFI support to IFU to keep it in the pipeline 2022-04-14 17:26:17 +00:00
Ross Thompson
ab9738d3be Hacky fix to prevent ITLBMissF and TrapM bug. 2022-04-12 17:56:23 -05:00
bbracker
54b9745a75 big interrupts refactor 2022-03-30 13:22:41 -07:00
Ross Thompson
3ac736e2d5 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-03-30 11:09:44 -05:00
David Harris
049c55769a fpu compare simplification, minor cleanup 2022-03-29 17:11:28 +00:00
Ross Thompson
7a824eaae1 Found a way to remove a bus input into MMU. PAdr can be made into VAdr by selecting the faulting virtual address when writing the DTLB. 2022-03-24 23:47:28 -05:00
Ross Thompson
d347de8c49 dtim writes are supressed on non cacheable operation. 2022-03-12 00:46:11 -06:00
Ross Thompson
e802deb4d6 Can now support the following memory and bus configurations. 
1. dtim/irom only
2. bus only
3. dtim/irom + bus
4. caches + bus
 2022-03-11 15:18:56 -06:00
Ross Thompson
3dbf6790e1 Towards allowing dtim + bus. 2022-03-11 14:58:21 -06:00
Ross Thompson
11e5aad38a Moved subcachelineread inside the cache. There is some ugliness to still resolve. 2022-03-11 12:44:04 -06:00
Ross Thompson
a12016e69b Moved subcacheline read inside the cache. 2022-03-11 11:03:36 -06:00
Ross Thompson
326ecda060 removed unused parameter. 2022-03-11 10:43:54 -06:00
Ross Thompson
bdfca503fa Name cleanup. 2022-03-10 18:44:50 -06:00
Ross Thompson
d77adbd673 Signal name cleanup. 2022-03-10 18:26:58 -06:00
Ross Thompson
50789f9ddd Byte write enables are passing all configs now. 2022-03-10 17:26:32 -06:00
Ross Thompson
d5f524a15e Added byte write enables to cache SRAMs. 2022-03-10 15:48:31 -06:00
David Harris
b1340653cf bit write update 2022-03-09 19:09:20 +00:00
David Harris
004853c312 Refactored SRAM bit write enable 2022-03-09 17:49:28 +00:00
Ross Thompson
acd60218b8 Removed unused signal. 2022-03-08 16:58:26 -06:00
Ross Thompson
cc21414051 Added parameter to spillsupport. 2022-03-08 16:38:48 -06:00
Ross Thompson
60e6c1ffa7 Moved cacheable signal into cache. 2022-03-08 16:34:02 -06:00
Ross Thompson
97d64201f7 Fixed bug with DAPageFault being wrong when HPTW writes not supported. 2022-02-23 10:54:34 -06:00
Ross Thompson
53f13d4cbc More spillsupport more structual. 2022-02-23 10:27:14 -06:00
Ross Thompson
c23f6c7d90 Fixed bug with spill support and Instruction DA Page Faults. 2022-02-23 10:16:12 -06:00
Ross Thompson
62e1a97287 Added generates to pcnextf muxes for privileged and caches. 2022-02-22 22:45:00 -06:00
Ross Thompson
6a52f95cc8 Minor busdp cleanup. 2022-02-22 17:28:26 -06:00
Ross Thompson
ca59778c5a Annotated IFU for mux changes. 2022-02-21 17:20:34 -06:00
Ross Thompson
62f5f1e622 Broken state. address translation not working after changes to hptw to support atomic updates to PT. 2022-02-16 23:37:36 -06:00
Ross Thompson
c9e33208e3 Moved a few muxes around after sww changes. 2022-02-16 15:43:03 -06:00
Ross Thompson
71ed49bf2b cleanup of signal names. 2022-02-16 15:29:08 -06:00
David Harris
caa4d83e57 t push 
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
 2022-02-14 01:22:22 +00:00
Ross Thompson
1e7e59bdbd Changed names of signals in cache. 2022-02-13 15:06:18 -06:00