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3951eb56f5
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375 Commits

Author SHA1 Message Date
Ross Thompson
3951eb56f5 Modularized the shadow memory to reduce performance hit. 2021-07-13 10:55:57 -05:00
Ross Thompson
e594eb540d Got the shadow ram cache flush working. 2021-07-13 10:03:47 -05:00
Ross Thompson
49f6eec579 Team work on solving the dcache data inconsistency problem. 2021-07-12 23:46:32 -05:00
Ross Thompson
ecc9b5006e Now updates the dtim with the dirty data in the dcache. 
Simulation is showing issues.  It lookslike the cache is not
evicting the correct data.
 2021-07-12 15:13:27 -05:00
Ross Thompson
1cc258ade1 Progress towards the test bench flush. 2021-07-12 14:22:13 -05:00
bbracker
d3dd70e3e6 more completely uncomment MMU tests to make sim wally work 2021-07-06 14:33:52 -04:00
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
9645b023c9 Moved BOOTTIM to 0x1000-0x1FFF. Added logic to detect an access to undefined memory and assert HREADY so bus doesn't hang. 2021-07-04 01:19:38 -04:00
Ben Bracker
59b177beac stop busybear from hanging 2021-07-02 17:22:09 -05:00
bbracker
13cf7c0934 linux testbench now ignores HWRITE glitches caused by flush glitches 2021-06-25 09:28:52 -04:00
bbracker
5b47da21ba made testbench-linux's PCDwrong be FlushD 2021-06-25 08:15:19 -04:00
Katherine Parry
7e3483b283 FPU forwarding reworked pt.1 2021-06-24 18:39:18 -04:00
bbracker
13df69abdb Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-06-24 01:42:41 -04:00
bbracker
be962cb1ff overhauled linux testbench and spoofed MTTIME interrupt 2021-06-24 01:42:35 -04:00
Katherine Parry
8eed89616c fpu clean-up 2021-06-23 16:42:40 -04:00
Katherine Parry
353a27f12f rv64f FLW passes imperas tests 2021-06-22 16:36:16 -04:00
David Harris
7930c2ebb4 Commented out 100k tests to improve speed 2021-06-21 01:43:18 -04:00
David Harris
1ec90a5e1f Reversed [0:...] with [...:0] in bus widths across the project 2021-06-21 01:17:08 -04:00
bbracker
bf3c2dc089 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-06-20 22:29:40 -04:00
bbracker
3000c27acd linux actually uses FPU now! 2021-06-20 22:29:21 -04:00
Katherine Parry
2b67f25683 all rv64f instructions except convert, divide, square root, and FLD pass 2021-06-20 20:24:09 -04:00
bbracker
2643130c41 read from MSTATUS workaround because QEMU has incorrect MSTATUS 2021-06-20 10:11:39 -04:00
bbracker
14ae87ff0a testbench update b/c QEMU extends 32b CSRs to 64b 2021-06-20 09:24:19 -04:00
bbracker
c77aabdc6f make buildroot ignore SSTATUS because QEMU did not originally log it 2021-06-20 05:31:24 -04:00
bbracker
918ff5093a MSTATUS workaround 2021-06-20 04:48:09 -04:00
bbracker
069a79fafd workaround for ignoring MTIME 2021-06-20 02:26:39 -04:00
bbracker
d62d9a7aac make buildroot waves only turn on after a user-specified point 2021-06-20 00:39:30 -04:00
bbracker
8d242d73b5 fixed PCtext error by using blocking assignments 2021-06-18 17:37:40 -04:00
bbracker
03a45aeef1 restore graphical buildroot sim 2021-06-18 11:58:16 -04:00
bbracker
faae30c31c remove unused testbench-busybear.sv 2021-06-18 08:15:19 -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
bbracker
5b96f7fbd7 making linux waveforms more useful 2021-06-17 08:37:37 -04:00
bbracker
b459d0cc80 changed parsedCSRs2] to parsedCSRs 2021-06-17 05:18:14 -04:00
David Harris
01d6ca1e2a Fixed lint WIDTH errors 2021-06-09 20:58:20 -04:00
David Harris
b613f46c2d Resized BOOT TIM to 1 KB 2021-06-08 14:04:32 -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
c96695b1b6 implemented simpler page mixers, cleaned up a bit 2021-06-07 18:32:34 -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
22e8e06ac7 moved privilege dfinitions into wally-constants, upgraded relevant includes 2021-06-04 17:55:07 -04:00
Katherine Parry
fc65aedbd6 Double-precision FMA instructions 2021-06-04 14:00:11 -04:00
Kip Macsai-Goren
1ea9b94cf1 added tests for SV48 and translation off with vmem 2021-06-03 14:28:52 -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
89ad4477e4 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-06-01 11:33:12 -05:00