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378 Commits

Author SHA1 Message Date
Ross Thompson
0942429b7f Forced to go back to hard coded preload. 2022-03-31 11:39:37 -05:00
Ross Thompson
a6d090a7c0 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-03-31 11:38:55 -05:00
Ross Thompson
dc48d84dd6 Modified clint to support all byte write sizes. 2022-03-31 11:31:52 -05:00
David Harris
93d6b2fb62 Added synthesis script for fma16 2022-03-31 00:51:33 +00:00
David Harris
f917ed7ed0 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-03-30 23:06:36 +00:00
bbracker
54b9745a75 big interrupts refactor 2022-03-30 13:22:41 -07:00
Ross Thompson
b2a77da96b Changed sram1p1rw to have the same type of bytewrite enables as bram. 2022-03-30 11:38:25 -05:00
David Harris
44f94173bf Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-03-30 16:26:27 +00:00
Ross Thompson
3ac736e2d5 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-03-30 11:09:44 -05:00
Ross Thompson
370a075fa1 Partial cleanup of memories. 2022-03-30 11:09:21 -05:00
Ross Thompson
1993069986 Converted over to the blockram/sram memories. Now I just need to cleanup. But before the cleanup I wan to make sure the FPGA synthesizes with these changes and actually keeps the preload. 2022-03-30 11:04:15 -05:00
Ross Thompson
fc2b4453ec rv32gc and rv64gc now use the updated ram3.sv (will rename to ram.sv) which uses a vivado block ram compatible memory. Still need to update simpleram.sv to use this block ram compatible memory. 2022-03-29 23:48:19 -05:00
Ross Thompson
de2672231d Partial fix to allow byte write enables with fpga and still get a preload to work. 2022-03-29 19:12:29 -05:00
David Harris
057ee56d7e Updated synthesis to look at fma16.v, other scripts to use fma16.v instead of fma16.sv 2022-03-29 19:16:41 +00:00
David Harris
049c55769a fpu compare simplification, minor cleanup 2022-03-29 17:11:28 +00:00
Kip Macsai-Goren
ad106e7130 made machine timer bit of IP registers unwriteable so it can only change when the interrupt actually changes 2022-03-29 02:26:42 +00:00
bbracker
46ffa4b079 fix typo that Madeleine found 2022-03-28 15:39:29 -07:00
Kip Macsai-Goren
dc9635b757 fixed double multiplication on vectored interrupts 2022-03-28 19:12:31 +00:00
Ross Thompson
7099259ff7 I think this version of csri matches what is required in the spec. ExtIntS should not be written into the SEIP register bit. 2022-03-25 13:10:31 -05:00
Ross Thompson
7a824eaae1 Found a way to remove a bus input into MMU. PAdr can be made into VAdr by selecting the faulting virtual address when writing the DTLB. 2022-03-24 23:47:28 -05:00
bbracker
150a7b234b tabs vs spaces disagreement 2022-03-24 17:11:41 -07:00
bbracker
9f60256f22 1st attempt at multiple channel PLIC 2022-03-24 17:08:10 -07:00
Ross Thompson
58668812c1 Moved WriteDataM register into LSU. 2022-03-23 14:17:59 -05:00
Ross Thompson
07b7dbc922 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-03-23 14:10:38 -05:00
Katherine Parry
abdbc31d14 fixed typo in unpack.sv 2022-03-23 18:26:59 +00:00
Katherine Parry
ead88fba55 fixed lint error in fpudivsqrtrecur.sv 2022-03-23 03:24:41 +00:00
Ross Thompson
6ab14d7302 Switched csri IP_REGW to use assignements rather than always_comb as this is incompatible with forcing. 2022-03-22 22:04:06 -05:00
Ross Thompson
c5be2cb1d5 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-03-22 21:28:50 -05:00
Katherine Parry
c3c764a171 unpack.sv cleanup 2022-03-23 01:53:37 +00:00
Ross Thompson
cec7625d91 Added comment about needed fix to misaligned fault. 2022-03-22 16:52:07 -05:00
Katherine Parry
2042374102 FMA parameterized and FMA testbench reworked 2022-03-19 19:39:03 +00:00
Ross Thompson
d347de8c49 dtim writes are supressed on non cacheable operation. 2022-03-12 00:46:11 -06:00
Ross Thompson
d8947fa616 cleanup of ram.sv 2022-03-11 18:09:22 -06:00
Ross Thompson
e802deb4d6 Can now support the following memory and bus configurations. 
1. dtim/irom only
2. bus only
3. dtim/irom + bus
4. caches + bus
 2022-03-11 15:18:56 -06:00
Ross Thompson
3dbf6790e1 Towards allowing dtim + bus. 2022-03-11 14:58:21 -06:00
Ross Thompson
81a2fbb6d2 mild cleanup. 2022-03-11 13:05:47 -06:00
Ross Thompson
11e5aad38a Moved subcachelineread inside the cache. There is some ugliness to still resolve. 2022-03-11 12:44:04 -06:00
Ross Thompson
a12016e69b Moved subcacheline read inside the cache. 2022-03-11 11:03:36 -06:00
Ross Thompson
326ecda060 removed unused parameter. 2022-03-11 10:43:54 -06:00
Ross Thompson
04dd2f0eb5 atomic cleanup. 2022-03-10 18:56:37 -06:00
Ross Thompson
a598760445 Name changes. 2022-03-10 18:50:03 -06:00
Ross Thompson
bdfca503fa Name cleanup. 2022-03-10 18:44:50 -06:00
Ross Thompson
d77adbd673 Signal name cleanup. 2022-03-10 18:26:58 -06:00
Ross Thompson
5c16b65a16 simplified uncore's name for HWDATA. 2022-03-10 18:17:44 -06:00
Ross Thompson
543e10ab32 Moved subwordwrite to lsu directory. 2022-03-10 18:15:25 -06:00
Ross Thompson
54abd944e2 Simplified byte write enable logic. 2022-03-10 18:13:35 -06:00
Ross Thompson
50789f9ddd Byte write enables are passing all configs now. 2022-03-10 17:26:32 -06:00
Ross Thompson
f7df3a0666 Progress on the path to getting all configs working with byte write enables. 2022-03-10 17:02:52 -06:00
Ross Thompson
83133f8c47 Partially working byte write enables. Works for cache, but not dtim or bus only. 2022-03-10 16:11:39 -06:00
Ross Thompson
d5f524a15e Added byte write enables to cache SRAMs. 2022-03-10 15:48:31 -06:00
David Harris
b1340653cf bit write update 2022-03-09 19:09:20 +00:00
David Harris
004853c312 Refactored SRAM bit write enable 2022-03-09 17:49:28 +00:00
David Harris
ba9320d822 Updated testbench to read expected flags 2022-03-09 13:58:17 +00:00
Ross Thompson
2a8a1cd191 Minor cleanup to interlockfsm. 2022-03-08 23:38:58 -06:00
Ross Thompson
ac9528b450 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-03-08 18:05:35 -06:00
Ross Thompson
ed32801cc1 Comments. 2022-03-08 18:05:25 -06:00
Ross Thompson
534fd70f76 Marked signals for name changes. 2022-03-08 17:41:02 -06:00
David Harris
5d0b9bab6e Added more test cases and rounding modes to fma test generator 2022-03-08 23:29:29 +00:00
David Harris
cfa82efccc fma16_testgen.c test cases 2022-03-08 23:18:18 +00:00
Ross Thompson
acd60218b8 Removed unused signal. 2022-03-08 16:58:26 -06:00
Ross Thompson
cc21414051 Added parameter to spillsupport. 2022-03-08 16:38:48 -06:00
Ross Thompson
60e6c1ffa7 Moved cacheable signal into cache. 2022-03-08 16:34:02 -06:00
David Harris
d2282d5e87 Checked in fma16_template.v 2022-03-06 13:29:35 +00:00
David Harris
48705457d5 LSU/Cache code review notes 2022-03-04 00:07:31 +00:00
David Harris
545f569f78 Fixed fma files to stop breaking synthesis. Changed Makefiles to skip Imperas 2022-03-03 15:38:08 +00:00
David Harris
8fbdbba81a fma file fixes 2022-03-02 23:47:01 +00:00
bbracker
be2f668867 but apparently QEMU doesn't show UXL in SSTATUS 2022-03-02 22:44:19 +00:00
bbracker
01e0f2f0d2 update SXL UXL bits in MSTATUS to match new QEMU trace 2022-03-02 22:15:57 +00:00
David Harris
3bea7bb431 removed imperas-riscv-tests 2022-03-02 17:28:20 +00:00
David Harris
1661983345 FMA project ready to start 2022-03-01 20:58:08 +00:00
David Harris
f314e60dc8 Renamed unpacking unit to unpack and renamed WriteDataW to ResultW in IEU datapath 2022-02-28 20:50:51 +00:00
David Harris
f0a7ae2bba adrdecs comments 2022-02-28 20:33:41 +00:00
David Harris
e108eb5195 Modified address decoder for native access to CLINT 2022-02-28 19:13:14 +00:00
David Harris
3519a20ccf hptw cleanup for synthesis 2022-02-28 05:54:34 +00:00
David Harris
bb14dba9be Created softfloat_demo showcasing how to do math with SoftFloat 2022-02-27 18:17:21 +00:00
David Harris
c7b5d32a72 Linking against riscv-isa-sim SoftFloat library for RISC-V NaN behavior 2022-02-27 17:23:33 +00:00
David Harris
c6561d1e8b Moved FMA back into source tree to facilitate synthesis 2022-02-27 15:41:41 +00:00
David Harris
274ecf13ad Moved fma directory 2022-02-27 14:20:15 +00:00
David Harris
5a5142c14f fma simulation infrastructure 2022-02-27 04:36:43 +00:00
David Harris
d917cc1379 fma passing multiply vectors 2022-02-27 04:36:01 +00:00
David Harris
8a55935456 simplified fma Makefile 2022-02-26 19:55:42 +00:00
David Harris
1852eccaab Made softfloat.a a symlink 2022-02-26 19:53:04 +00:00
David Harris
87d1a8a1ac Added start of fma 2022-02-26 19:51:19 +00:00
Ross Thompson
97d64201f7 Fixed bug with DAPageFault being wrong when HPTW writes not supported. 2022-02-23 10:54:34 -06:00
Ross Thompson
53f13d4cbc More spillsupport more structual. 2022-02-23 10:27:14 -06:00
Ross Thompson
c23f6c7d90 Fixed bug with spill support and Instruction DA Page Faults. 2022-02-23 10:16:12 -06:00
Ross Thompson
62e1a97287 Added generates to pcnextf muxes for privileged and caches. 2022-02-22 22:45:00 -06:00
Ross Thompson
6a52f95cc8 Minor busdp cleanup. 2022-02-22 17:28:26 -06:00
Ross Thompson
59a2c09c5e Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-02-22 14:45:53 -06:00
Ross Thompson
90be3d4360 Clarified interlockfsm. 2022-02-22 11:31:28 -06:00
bbracker
b8fd06576c fix lint bugs in PLIC and UART 2022-02-22 05:04:18 +00:00
bbracker
a6047697c3 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-02-22 04:27:50 +00:00
bbracker
e7934c585a change RX side of UART to aslo be LSB-first 2022-02-22 03:34:08 +00:00
Ross Thompson
3a29504279 Added some clearity to lsuvirtmem.sv. 2022-02-21 17:20:58 -06:00
Ross Thompson
ca59778c5a Annotated IFU for mux changes. 2022-02-21 17:20:34 -06:00
Ross Thompson
2f711fb642 Changed HPTWRead/HPTWWrite to be HPTWRW to be similar to MemRW. 2022-02-21 16:54:38 -06:00
Ross Thompson
0c65ea96d8 Cleaned up names in lsuvirtmem. 2022-02-21 16:44:30 -06:00
Ross Thompson
56fc6d0d7c Minor cleanup of lsu. 2022-02-21 12:46:06 -06:00
Ross Thompson
f48b12b089 Moved mux into lsuvirtmem. 2022-02-21 09:31:29 -06:00
Ross Thompson
cbf4395457 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-02-21 09:06:09 -06:00