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946 Commits

Author SHA1 Message Date
bbracker
5095c73dde Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-06-18 09:49:37 -04:00
bbracker
4f50dd575d buildroot added to regression because it passes regression 2021-06-18 09:49:30 -04:00
David Harris
580ac1c4df Made MemPAdrM and related signals PA_BITS wide 2021-06-18 09:36:22 -04:00
David Harris
de221ff2d0 Changed physical addresses to PA_BITS in size in MMU and TLB 2021-06-18 09:11:31 -04:00
bbracker
c25905ac70 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-06-18 08:15:40 -04:00
bbracker
faae30c31c remove unused testbench-busybear.sv 2021-06-18 08:15:19 -04:00
David Harris
df7e373c69 Cleaned up PMAAccessFult logic but it still doesn't accomdate TIM and BootTim depending on AccessRWX 2021-06-18 08:13:15 -04:00
David Harris
35c74348a4 allow all size memory access in CLINT; added underscore to peripheral address symbols 2021-06-18 08:05:50 -04:00
David Harris
336936cc39 Cleaned up name of MTIME register in CSRC 2021-06-18 07:53:49 -04:00
David Harris
de3a0c644b Further cleaning of PMA checker 2021-06-17 22:27:39 -04:00
David Harris
679e507cc6 Added SUPPORTED to each peripheral in each config file 2021-06-17 21:36:32 -04:00
David Harris
54b6a2dcad added inputs to pmaadrdec 2021-06-17 18:54:39 -04:00
David Harris
da8eb7749f Started simplifying PMA checker 2021-06-17 16:28:06 -04:00
bbracker
2bee4eabab added MTIME and MTIMECMP as read-only CSRs; this likely is not the final version 2021-06-17 12:09:10 -04:00
bbracker
b65adbea63 enable TIME CSR for 32 bit mode as well 2021-06-17 11:34:16 -04:00
bbracker
5a661a7392 provide time and timeh CSRs based on CLINT's counter 2021-06-17 08:38:30 -04:00
bbracker
5b96f7fbd7 making linux waveforms more useful 2021-06-17 08:37:37 -04:00
bbracker
9bc5ddf5f2 PMPADDRreg size bugfix; PMPADDR_ARRAY_REGW[15] is now useable 2021-06-17 05:19:36 -04:00
bbracker
b459d0cc80 changed parsedCSRs2] to parsedCSRs 2021-06-17 05:18:14 -04:00
bbracker
c4983f4388 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-06-17 00:50:14 -04:00
bbracker
6625f74a85 still not sure if QEMU workaround is correct, but here is all linux progress so far 2021-06-17 00:50:02 -04:00
bbracker
7b98e7aa2f mcause test fixes and s-mode interrupt bugfix 2021-06-16 17:37:08 -04:00
bbracker
3b9ecc8275 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-06-16 16:17:53 -04:00
bracker
f99c91553f chmod +x'd privileged testgen scripts 2021-06-16 10:28:57 -05:00
bbracker
9c883054c7 fixed incorrect expectation fof CLINT spec 2021-06-15 19:24:24 -04:00
bbracker
cd00e04943 Merge remote-tracking branch 'origin/fixPrivTests' into main 2021-06-15 09:57:46 -04:00
Katherine Parry
4177f4f148 Updated FMA 2021-06-14 13:42:53 -04:00
David Harris
c6ff11c22e disabled Verilator WIDTH warnings in ICCacheCntrl 2021-06-12 19:50:06 -04:00
Ross Thompson
294f01cbd8 fixed the mtime register. 2021-06-11 13:50:13 -05:00
James E. Stine
11c88c15d5 Put repository of fpdivsqrt with RTL-based adder instead of structural implementation 2021-06-11 14:35:22 -04:00
bracker
8794bf1afa attempt no 1: just change out x28s for x31s 2021-06-11 12:39:28 -05:00
David Harris
49b5fa3994 Reverted MIDELEG and MEDELEG to XLEN so busybear passes 2021-06-10 23:47:32 -04:00
David Harris
e41a87be23 Restored counter events 2021-06-10 11:18:58 -04:00
David Harris
d386929c0e Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-06-10 10:47:55 -04:00
David Harris
802238643a Removed two cycles of latency from the DTIM 2021-06-10 10:30:24 -04:00
bbracker
f272cd46d8 peripheral lint fixes 2021-06-10 10:19:10 -04:00
bbracker
d4aeb1c387 merge 2021-06-10 10:03:01 -04:00
bbracker
0321d74562 attempt to fix regression by adding PMP_ENTRIES to configs 2021-06-10 09:59:26 -04:00
bbracker
d9022551c2 buildroot progress -- able to mimic GDB output 2021-06-10 09:58:20 -04:00
bbracker
79e798a641 UART improved and added more reg read side effects 2021-06-10 09:53:48 -04:00
David Harris
3e8026dc21 Configurable number of performance counters 2021-06-10 09:41:26 -04:00
David Harris
75870a16d7 Restored PCCorrectE declaration in IFU 2021-06-09 21:09:16 -04:00
David Harris
0ffbd03139 More verilator fixes, but bpred is broken 2021-06-09 21:03:03 -04:00
David Harris
c7e57aeb1a removed verilator lint_off WIDTH 2021-06-09 21:01:44 -04:00
David Harris
01d6ca1e2a Fixed lint WIDTH errors 2021-06-09 20:58:20 -04:00
David Harris
2952550db7 More PMP entries 2021-06-08 15:33:06 -04:00
David Harris
90e5781471 Start to parameterize number of PMP Entries 2021-06-08 15:29:22 -04:00
Kip Macsai-Goren
a95a7a7b82 working version with new mmu comments, old boottim values 2021-06-08 15:20:25 -04:00
Kip Macsai-Goren
2155cb2e91 merge of reverted main into up to date main 2021-06-08 14:57:43 -04:00
Kip Macsai-Goren
361c71c5e9 reverted to working version with new mmu comments 2021-06-08 14:56:00 -04:00
David Harris
b613f46c2d Resized BOOT TIM to 1 KB 2021-06-08 14:04:32 -04:00
Kip Macsai-Goren
aab7bd94f7 Merge small mmu changes into main 2021-06-08 14:00:26 -04:00
Kip Macsai-Goren
d6f47d5917 making mmu branch line up with main 2021-06-08 13:59:03 -04:00
Kip Macsai-Goren
e209dbcf50 some cleanup of signals, not done yet 2021-06-08 13:39:32 -04:00
bbracker
cc91c774a6 Ah big ole merge! Passes sim-wally-batch and linting, so should be fine 2021-06-08 12:41:25 -04:00
bbracker
e7e4105931 * GPIO comprehensive testing 
* MEPC more aware if M stage has actually committed
* UART interrupt testing progress
* UART added read IIR side effect of lowering THRE intr
 2021-06-08 12:32:46 -04:00
Kip Macsai-Goren
49515245d9 remove redundant decodes, fixed mmu logic ins/outs 2021-06-07 19:23:30 -04:00
Kip Macsai-Goren
1e174a8244 got rid of some underscores in filenames, modules 2021-06-07 18:54:05 -04:00
Kip Macsai-Goren
c96695b1b6 implemented simpler page mixers, cleaned up a bit 2021-06-07 18:32:34 -04:00
Kip Macsai-Goren
b27abc53e8 began updating cam line to reduce muxes, confusion 2021-06-07 17:03:31 -04:00
Kip Macsai-Goren
6a63ad04d2 regression working partially done page mask 2021-06-07 17:02:31 -04:00
David Harris
9efbffdee5 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-06-07 16:14:13 -04:00
David Harris
43a690dc42 Simplified superpage matching 2021-06-07 16:11:28 -04:00
Katherine Parry
0acf665a8b lint is clean 2021-06-07 14:22:54 -04:00
bbracker
28c6d60150 temporarily removing buildroot from regression until it is regenerated 2021-06-07 13:20:50 -04:00
David Harris
2ae5ca19b5 Continued merge 2021-06-07 12:49:47 -04:00
David Harris
ff62000e2c Second attept to commit refactoring config files 2021-06-07 12:37:46 -04:00
David Harris
dc0b19dfaa Merge difficulties 2021-06-07 09:50:23 -04:00
David Harris
d5ec797ba4 Refactored configuration files and renamed testbench-busybear to testbench-linux 2021-06-07 09:46:52 -04:00
Katherine Parry
75a6097467 fixed lint warnings for fpu and lzd 2021-06-05 12:06:33 -04:00
Kip Macsai-Goren
49200bd922 Cleaned up some unused signals 2021-06-04 21:04:19 -04:00
Kip Macsai-Goren
22e8e06ac7 moved privilege dfinitions into wally-constants, upgraded relevant includes 2021-06-04 17:55:07 -04:00
Kip Macsai-Goren
037aa6fa89 Merge branch 'mmu' into main 
new mmu unit and moving pmp/pma now passes regression except for lint and buildroot
 2021-06-04 17:07:56 -04:00
Kip Macsai-Goren
3493027bf5 added shared constants file list of includes 2021-06-04 17:05:47 -04:00
Kip Macsai-Goren
1ae529c450 restructured so that pma/pmp are a part of mmu 2021-06-04 17:05:07 -04:00
Ross Thompson
41a1e6112a Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-06-04 15:16:39 -05:00
Ross Thompson
7406e33b61 Continued I-Cache cleanup. 
Removed strange mux on InstrRawD along with
the select logic.
 2021-06-04 15:14:05 -05:00
Ross Thompson
191f7e61fd Moved I-Cache offset selection mux to icache.sv (top level). 
When we switch to set associative this is will be more efficient.
 2021-06-04 13:49:33 -05:00
Ross Thompson
e0d0fdd708 Cleaned up the I-Cache memory. 2021-06-04 13:36:06 -05:00
Katherine Parry
fc65aedbd6 Double-precision FMA instructions 2021-06-04 14:00:11 -04:00
Ross Thompson
fdef8df76b Reorganized the icache names. 2021-06-04 12:53:42 -05:00
Ross Thompson
7c44f19925 Relocated the icache to the cache directoy. 2021-06-04 12:23:46 -05:00
David Harris
a26bf37be8 Started MMU 2021-06-04 11:59:14 -04:00
David Harris
4f71964529 Fixed RV32 MMU constants 2021-06-04 09:15:42 -04:00
David Harris
0674f5506e moved shared constants to a shared directory 2021-06-03 22:41:30 -04:00
Kip Macsai-Goren
8fb2ee6e86 added support for sv48 and some docs on how to use these files 2021-06-03 14:32:12 -04:00
Kip Macsai-Goren
1ea9b94cf1 added tests for SV48 and translation off with vmem 2021-06-03 14:28:52 -04:00
bbracker
ad3b103a86 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-06-03 10:03:26 -04:00
bbracker
4e765ee1c5 expanded GPIO testing and caught small GPIO bug 2021-06-03 10:03:09 -04:00
Ross Thompson
e50a1ef5e4 Fixed a few lint errors, 
clock gater was wrong,
missing signal definitions in branch predictor.
 2021-06-02 09:33:24 -05:00
bbracker
a683dd7fde Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-06-02 10:03:23 -04:00
bbracker
2c77a13c08 fixed InstrValid signals and implemented less costly MEPC loading 2021-06-02 10:03:19 -04:00
Kip Macsai-Goren
5187574e8a implemented Sv48. 2021-06-01 17:50:37 -04:00
Kip Macsai-Goren
40cfa86935 Edited and added constants to support SV48 2021-06-01 17:49:45 -04:00
James E. Stine
eba7ce64f5 delete div.bak 2021-06-01 17:39:54 -04:00
Ross Thompson
babcea195a Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-06-01 15:20:37 -05:00
Ross Thompson
0670c57fd2 The clock gater was not implemented correctly. Now it is level sensitive to a low clock. 2021-06-01 15:05:22 -05:00
James E. Stine
564d7c4adb Minor cosmetic update to fpu.sv 2021-06-01 15:45:32 -04:00
James E. Stine
2eeb12c674 Updates to muldiv.sv for 32-bit div/rem 2021-06-01 15:31:07 -04:00
Ross Thompson
fe22fd2db8 added clock gater to floating point divider to speed up simulation time. 2021-06-01 13:46:21 -05:00