178 Commits

Author	SHA1	Message	Date
Kip Macsai-Goren	b99b5f8e0e	moved privilege dfinitions into wally-constants, upgraded relevant includes	2021-06-04 17:55:07 -04:00
Kip Macsai-Goren	7e41b17e65	restructured so that pma/pmp are a part of mmu	2021-06-04 17:05:07 -04:00
David Harris	b836679ae1	Started MMU	2021-06-04 11:59:14 -04:00
Kip Macsai-Goren	f7deda0514	implemented Sv48.	2021-06-01 17:50:37 -04:00
Kip Macsai-Goren	529226ac8d	made priority encoder parameterizable	2021-05-28 18:09:28 -04:00
Thomas Fleming	fda439b51e	Fix comment	2021-05-14 08:06:07 -04:00
Thomas Fleming	980c00fa64	Clean up MMU code	2021-05-14 07:12:32 -04:00
bbracker	535046e494	small synthesis fixes	2021-05-04 15:21:01 -04:00
Thomas Fleming	d22f0f9d63	Refactor tlb_ram to use flop primitives	2021-04-22 01:52:43 -04:00
Thomas Fleming	70c801331a	Implement virtual memory protection	2021-04-21 19:58:36 -04:00
Thomas Fleming	e8770e3eac	Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main ... Conflicts: wally-pipelined/src/mmu/priority_encoder.sv	2021-04-15 16:20:43 -04:00
Thomas Fleming	e838f0bb3d	Change priority encoder to avoid extra assignment	2021-04-15 16:17:35 -04:00
Teo Ene	cefc8ea22b	Temporary change to mmu/priority_encoder.sv ... Necessary to get synth working Original HDL is still there, just commented out	2021-04-15 13:37:12 -05:00
Thomas Fleming	bb2d433971	Fix mmu lint errors	2021-04-13 19:19:58 -04:00
Thomas Fleming	ae888b5705	Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main ... Conflicts: wally-pipelined/src/ebu/pagetablewalker.sv	2021-04-13 13:42:03 -04:00
Thomas Fleming	08a84048b6	Add lru algorithm to TLB	2021-04-13 13:37:24 -04:00
Teo Ene	0bffac2c74	Various code syntax changes to bring HDL to a synthesizable level	2021-04-13 11:27:12 -05:00
Thomas Fleming	bd310a55af	Refactor TLB into multiple files	2021-04-08 03:24:10 -04:00
Thomas Fleming	b3795cef2e	Provide attribution link for priority encoder	2021-04-08 03:05:06 -04:00
Thomas Fleming	e807f5d771	Implement support for superpages	2021-04-08 02:44:59 -04:00
Thomas Fleming	e04ad8f304	Fix extraneous page fault stall	2021-04-03 21:28:24 -04:00
Thomas Fleming	f9bf2fbc01	Implement sfence.vma and fix tlb writing	2021-04-01 15:55:05 -04:00
Thomas Fleming	9388a9f28a	Disable 'always-on' virtual memory	2021-03-30 22:49:47 -04:00
Thomas Fleming	4b2765f8e2	Complete basic page table walker	2021-03-30 22:19:27 -04:00
Thomas Fleming	062c4d40da	Connect tlb, pagetablewalker, and memory	2021-03-18 14:35:46 -04:00
Thomas Fleming	85dcbee86b	Place tlb parameters into constant header file	2021-03-05 13:35:24 -05:00
Thomas Fleming	1a2db17ee5	Install tlb into ifu	2021-03-04 03:11:34 -05:00
Thomas Fleming	7a9f866120	Move tlb into mmu directory	2021-03-04 02:39:08 -05:00