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230654ea76
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Author SHA1 Message Date
David Harris
230654ea76 Eliminate reserved bits from TLB RAM 2021-07-08 17:35:00 -04:00
David Harris
f806707cb0 Array of muxes in tlbmixer; abbreviated PPN and VPN to match diagram 2021-07-08 16:58:11 -04:00
David Harris
b1592a0542 TLB cleanup to match diagrams 2021-07-08 16:52:06 -04:00
David Harris
dc44ca4b0b Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-07 06:32:29 -04:00
David Harris
6dc49dd073 Renamed tlb ReadLines to Matches 2021-07-07 06:32:26 -04:00
Abe
09a092abd5 Updated MISA defining as well as porting sizes for peripherals (34 to 56) 2021-07-07 02:37:09 -04:00
Abe
ed3c06b851 Commented out printf statements for quicker simulation time. Also added function minstretDiff, which calculates the number of machine instructions retired during the coremark benchmark's runtime, excluding setup time. 2021-07-07 02:28:11 -04:00
Abe
ab61590f77 Removed debugging loop to test timers for clarity 2021-07-06 23:37:43 -04:00
Abe
63e4db1158 Updated portme file to include counters MTIME and MINSTRET. Timer currently set to read milliseconds running at 100MHZ, but this can be changed by setting a different clock speed in the testbench sv file and manipulating TIMER_RES_DIVIDER on line 120 2021-07-06 23:35:47 -04:00
Abe
244e197348 Changed SvMode to SVMode on line 76 2021-07-06 23:28:58 -04:00
David Harris
1301f4df7f Added ASID matching for CAM 2021-07-06 18:56:25 -04:00
Kip Macsai-Goren
1652e09b38 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-06 18:54:41 -04:00
David Harris
2b26bbbbd7 more TLB name touchups 2021-07-06 18:39:30 -04:00
Kip Macsai-Goren
8dfa28125f fixed upper bits page fault signal 2021-07-06 18:32:47 -04:00
David Harris
73024fee2d connected signals in tlb by name instead of .* 2021-07-06 17:22:10 -04:00
David Harris
18f4fa600a changed tlbphysicalpagemask to structural 2021-07-06 17:16:58 -04:00
David Harris
404ba5988a changed tlbphysicalpagemask to structural 2021-07-06 17:08:04 -04:00
David Harris
eb948f81dc Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-06 15:29:49 -04:00
David Harris
78850bfcd8 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
Kip Macsai-Goren
794becd886 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-06 15:05:51 -04:00
Ross Thompson
dc4c26d2a2 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-06 13:45:20 -05:00
Ross Thompson
d85bf23af3 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
0e708a72f3 more completely uncomment MMU tests to make sim wally work 2021-07-06 14:33:52 -04:00
Kip Macsai-Goren
61fc9bb266 edited tests so regression would pass with float enabled. this IS NOT a comprehensive test for fs yet 2021-07-06 14:28:26 -04:00
Abe
79e62b7c53 Disabled MCOUNTINHIBIT to enable csr counters (changed to 32'h0 on line 140) 2021-07-06 12:37:58 -04:00
Ross Thompson
61f870809d Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-06 10:41:45 -05:00
Ross Thompson
71a23626d5 Fixed bug in the LSU pagetable walker interlock. 2021-07-06 10:41:36 -05:00
David Harris
6d25ea1508 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-06 10:44:17 -04:00
David Harris
4c2cbe3200 Cleaned up tlb output muxing 2021-07-06 10:44:05 -04:00
David Harris
087bed3b67 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
35f89f9e99 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-06 10:16:34 -04:00
David Harris
69c0358ffd Created tlbcontrol module to hide details 2021-07-06 03:25:11 -04:00
David Harris
6785ed9994 Implemented TSR, TW, TVM, MXR status bits 2021-07-06 01:32:05 -04:00
David Harris
3cb9e5acd3 Fixed adrdecs to use Access signals for TIMs 2021-07-05 23:42:58 -04:00
David Harris
a390736f26 Don't generate HPTW when MEM_VIRTMEM=0 2021-07-05 23:35:44 -04:00
David Harris
e3f6758265 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-05 23:23:17 -04:00
David Harris
8ca7abaa02 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
4d9b87a823 Fixed combo loop in the page table walker. 2021-07-05 16:37:26 -05:00
Ross Thompson
59913e13aa Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-05 16:07:27 -05:00
Kip Macsai-Goren
770420b448 added new mmu tests to makefrag and commented out in the testbench 2021-07-05 10:54:30 -04:00
Kip Macsai-Goren
331ee30881 added final mmu test that passes make. They still don't pass simulation. 2021-07-05 10:49:23 -04:00
Kip Macsai-Goren
8dc1f28a9c cleaned up comments, minor edits 2021-07-05 10:47:20 -04:00
Kip Macsai-Goren
61ab9de347 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-05 10:45:44 -04:00
David Harris
e65fb5bb35 Added F_SUPPORTED flag to disable floating point unit when not in MISA 2021-07-05 10:30:46 -04:00
David Harris
b8b7fab02b Fixed disabling MulDiv when not supported. Started adding generate for FPU unsupported 2021-07-04 19:33:46 -04:00
David Harris
bbbc1d2f89 Simplified PLIC with generate 2021-07-04 19:17:15 -04:00
David Harris
ce3edd0288 Renamed Funct3ToLSU/fromLSU -> SizeToLSU/FromLSU and simplified size muxing in lsuArb 2021-07-04 19:02:56 -04:00
David Harris
39fa84efdd Renamed Funct3ToLSU/fromLSU -> SizeToLSU/FromLSU and simplified size muxing in lsuArb 2021-07-04 18:56:30 -04:00
David Harris
d2e3e14cbc Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-04 18:55:24 -04:00
David Harris
57e1111df3 Gave names to for loops in generate blocks for ease of reference 2021-07-04 18:52:16 -04:00