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1,237 Commits 5 Branches 2 Tags 53 MiB
5c2f774c35
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1077 Commits

Author SHA1 Message Date
David Harris
5c2f774c35 Simplified tlbmixer mux to and-or 2021-07-08 23:34:24 -04:00
David Harris
74b6d13195 Fixed missing stall in InstrRet counter 2021-07-08 20:08:04 -04:00
David Harris
4f1a85ca7c Eliminate reserved bits from TLB RAM 2021-07-08 17:35:00 -04:00
David Harris
38772de21f Array of muxes in tlbmixer; abbreviated PPN and VPN to match diagram 2021-07-08 16:58:11 -04:00
David Harris
1190729896 TLB cleanup to match diagrams 2021-07-08 16:52:06 -04:00
David Harris
5d5274ec73 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-07 06:32:29 -04:00
David Harris
2bab3f769b Renamed tlb ReadLines to Matches 2021-07-07 06:32:26 -04:00
Abe
84711fbdc8 Updated MISA defining as well as porting sizes for peripherals (34 to 56) 2021-07-07 02:37:09 -04:00
Abe
b757c96b2d Changed SvMode to SVMode on line 76 2021-07-06 23:28:58 -04:00
David Harris
af619dcd75 Added ASID matching for CAM 2021-07-06 18:56:25 -04:00
Kip Macsai-Goren
8350622f65 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-06 18:54:41 -04:00
David Harris
7d857cf4bd more TLB name touchups 2021-07-06 18:39:30 -04:00
Kip Macsai-Goren
e08a578908 fixed upper bits page fault signal 2021-07-06 18:32:47 -04:00
David Harris
2e2aa2a972 connected signals in tlb by name instead of .* 2021-07-06 17:22:10 -04:00
David Harris
ee3a321002 changed tlbphysicalpagemask to structural 2021-07-06 17:16:58 -04:00
David Harris
f960561cbb changed tlbphysicalpagemask to structural 2021-07-06 17:08:04 -04:00
David Harris
032c38b7e7 MMU produces page fault when upper bits aren't equal. Renamed input to MMU to be 'Address' and moved translation mux into MMU out of TLB 2021-07-06 15:29:42 -04:00
Ross Thompson
412691df2d Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-06 13:45:20 -05:00
Ross Thompson
3345ed7ff4 Merged several of the load/store/instruction access faults inside the mmu. 
Still need to figure out what is wrong with the generation of load page fault when dtlb hit.
 2021-07-06 13:43:53 -05:00
bbracker
d3dd70e3e6 more completely uncomment MMU tests to make sim wally work 2021-07-06 14:33:52 -04:00
Abe
8854532a79 Disabled MCOUNTINHIBIT to enable csr counters (changed to 32'h0 on line 140) 2021-07-06 12:37:58 -04:00
Ross Thompson
7af8cfba18 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-06 10:41:45 -05:00
Ross Thompson
6e7e318396 Fixed bug in the LSU pagetable walker interlock. 2021-07-06 10:41:36 -05:00
David Harris
b4082ba776 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-06 10:44:17 -04:00
David Harris
30fdd7abc8 Cleaned up tlb output muxing 2021-07-06 10:44:05 -04:00
David Harris
d58cad89a8 Replaced muxing of upper address bits with disregarding their match. Moved WriteEnables gate into tlblru to eliminate WriteLines 2021-07-06 10:38:30 -04:00
Kip Macsai-Goren
7e9961cac4 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-06 10:16:34 -04:00
David Harris
694badcc6b Created tlbcontrol module to hide details 2021-07-06 03:25:11 -04:00
David Harris
f805aea236 Implemented TSR, TW, TVM, MXR status bits 2021-07-06 01:32:05 -04:00
David Harris
8b23162d6d Fixed adrdecs to use Access signals for TIMs 2021-07-05 23:42:58 -04:00
David Harris
71711c54c9 Don't generate HPTW when MEM_VIRTMEM=0 2021-07-05 23:35:44 -04:00
David Harris
179c8d3ed4 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-05 23:23:17 -04:00
David Harris
6bac566bb7 Added support for TVM flag in CSRS and to disabl TLB when MEM_VIRTMEM = 0 2021-07-05 20:35:31 -04:00
Ross Thompson
530ddd667b Fixed combo loop in the page table walker. 2021-07-05 16:37:26 -05:00
Ross Thompson
2a62ee2e70 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-05 16:07:27 -05:00
Kip Macsai-Goren
20cd0e208b added new mmu tests to makefrag and commented out in the testbench 2021-07-05 10:54:30 -04:00
David Harris
5f91b339aa Added F_SUPPORTED flag to disable floating point unit when not in MISA 2021-07-05 10:30:46 -04:00
David Harris
ac163e091c Fixed disabling MulDiv when not supported. Started adding generate for FPU unsupported 2021-07-04 19:33:46 -04:00
David Harris
004cac91e1 Simplified PLIC with generate 2021-07-04 19:17:15 -04:00
David Harris
0aae58abed Renamed Funct3ToLSU/fromLSU -> SizeToLSU/FromLSU and simplified size muxing in lsuArb 2021-07-04 19:02:56 -04:00
David Harris
600e7802dd Renamed Funct3ToLSU/fromLSU -> SizeToLSU/FromLSU and simplified size muxing in lsuArb 2021-07-04 18:56:30 -04:00
David Harris
db5a06beaf Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-04 18:55:24 -04:00
David Harris
b23192cf1b Gave names to for loops in generate blocks for ease of reference 2021-07-04 18:52:16 -04:00
bbracker
287935c09d Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-04 18:17:16 -04:00
David Harris
07f2064c19 Touched up TLB D and A bit checks 2021-07-04 18:17:09 -04:00
bbracker
ceac0352f7 ICacheCntrl now reacts differently to InstrPageFaultF vs ITLBWriteF 2021-07-04 18:17:06 -04:00
Ross Thompson
b2c5c3f637 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-04 17:07:57 -05:00
David Harris
b0f199b574 Fixed TLB_ENTRIES merge conflict and handling of global PTEs 2021-07-04 18:05:22 -04:00
Ross Thompson
02721c29dc Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-04 16:54:31 -05:00
Ross Thompson
17f37f21ff Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-04 16:53:16 -05:00