riscv/rocket-chip
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48 Commits

Author SHA1 Message Date
Henry Cook
9e2b0aad65 Revert "allow MODEL to be something other than TestHarness" 
This reverts commit bf253aaa97.
 2016-09-15 11:53:05 -07:00
Howard Mao
bf253aaa97 allow MODEL to be something other than TestHarness 2016-09-14 20:51:56 -07:00
Scott Beamer
cd12fd1cbb fix clang support for emulator-debug 2016-09-14 12:20:37 -07:00
Colin Schmidt
cf3c6fa277 add STOP_COND to emulator & match vsim PRINTF_COND 2016-09-09 11:07:17 -07:00
Howard Mao
35fbbfc70d put test harness on the heap in emulator 2016-08-16 14:50:40 -07:00
Andrew Waterman
ed827678ac Write test harness in Chisel 
This is an unavoidably invasive commit, because it affects the unit tests
(which formerly exited using stop()), the test harness Verilog generator
(since it is no longer necessary), and the DRAM model (since it is no
longer connected).  However, this should substantially reduce the effort
of building test harnesses in the future, since manual or semi-automatic
Verilog writing should no longer be necessary.  Furthermore, there is now
very little duplication of effort between the Verilator and VCS test
harnesses.

This commit removes support for DRAMsim, which is a bit of an unfortunate
consequence.  The main blocker is the lack of Verilog parameterization for
BlackBox.  It would be straightforward to revive DRAMsim once support for
that feature is added to Chisel and FIRRTL.  But that might not even be
necessary, as we move towards synthesizable DRAM models and FAME-1
transformations.
 2016-08-15 23:27:27 -07:00
Andrew Waterman
9751ea0f35 Fix Verilator VCD (#157) 2016-07-09 02:37:39 -07:00
Andrew Waterman
2d44be747a Fix groundtest without HTIF 2016-06-23 12:17:26 -07:00
Andrew Waterman
30331fcaeb Remove HTIF; use debug module for testing in simulation 2016-06-23 00:32:05 -07:00
Andrew Waterman
4a8e6c773a Fix +verbose flag for verilator 2016-06-17 21:09:08 -07:00
Donggyu Kim
99b257316e replace emulator with verilator for chisel3 2016-06-08 02:43:54 -07:00
Andrew Waterman
46bbbba5e6 New address map 2016-04-30 20:59:36 -07:00
Andrew Waterman
1f211b37df WIP on new memory map 2016-04-27 14:57:54 -07:00
Howard Mao
6fc1e92708 add option to print cycle count regardless of exit status 2015-12-04 12:04:13 -08:00
Howard Mao
bbf14ddc01 use definitions in consts header whenever possible 2015-11-05 10:48:32 -08:00
Howard Mao
ba5a6af05c correctly stripe data across memory channels in simulation 2015-11-05 10:48:32 -08:00
Howard Mao
dcef020ca0 get multichannel simulation working in emulator 2015-11-05 10:48:32 -08:00
Yunsup Lee
0d245741bc add multichannel NASTI support in Verilog testbench 2015-11-05 10:48:32 -08:00
Howard Mao
9dabcab9c2 Get rid of MemIO in Top and replace with AXI throughout 2015-11-05 10:48:32 -08:00
Howard Mao
38a9b23ce7 add a flag to only log and dump after a certain number of cycles 2015-09-22 10:32:31 -07:00
Howard Mao
4496e8d4e2 make sure htif_emulator properly sets memory size 2015-09-22 10:32:31 -07:00
Iori YONEJI
0ac6172525 Add "-memsize" flag to emulator 
- Allow user to set memory size (in MiB) used by emulator.
   - if memory is exhausted, warn user about memory shortage.

Close #3
 2015-08-26 17:53:37 -07:00
Henry Cook
d3ccec1044 Massive update containing several months of changes from the now-defunct private chip repo. 
* Adds support for a L2 cache with directory bits for tracking L1 coherence (DefaultL2Config), and new metadata-based coherence API.
* Additional tests.
* New virtual memory implementation, priviliged architecture (1.7), custom CSRs, FDivSqrt unit
* Updated TileLink protocol, NASTI protocol SHIMs.
* Lays groundwork for multiple top-level memory channels, superscalar fetch.
* Bump all submodules.
 2015-07-02 14:43:30 -07:00
Yunsup Lee
1cfd9f5a0e add LICENSE 2014-09-12 10:15:04 -07:00
Yunsup Lee
275b72368b add CONFIG to the name of simulator executable 2014-09-11 22:11:58 -07:00
Yunsup Lee
c03c09ec31 update for rocket-chip release 2014-08-31 20:26:55 -07:00
Andrew Waterman
7f23257873 Print out random seed if test fails 2014-03-17 15:35:32 -07:00
Andrew Waterman
d055c0ebaf Push rocket/hardfloat/chisel 2014-03-04 16:39:06 -08:00
Andrew Waterman
dfc13236d1 Linux works again! 2014-01-16 12:44:29 -08:00
Andrew Waterman
ab6cd9c9e8 Update chisel, rocket 2013-12-09 15:09:48 -08:00
Andrew Waterman
c55eee7244 Pass target machine exit code back to host OS 2013-10-29 13:24:09 -07:00
Andrew Waterman
fbdbb01232 update to new isa; disable vector tests 2013-09-12 17:04:03 -07:00
Andrew Waterman
ae0716fb6d Use chisel printf for logging 2013-06-13 10:53:23 -07:00
Andrew Waterman
cfa86dba4f add FPGA test bench 
The memory models now support back pressure on the response.
 2013-05-02 04:59:32 -07:00
Andrew Waterman
d2e1828714 gracefully kill htif thread, fixing tty stuff 2013-05-02 04:59:32 -07:00
Andrew Waterman
def11e44b8 don't pipe stdout to vcd2vpd 2013-03-25 17:01:13 -07:00
Andrew Waterman
c6695bee7c fix emulator HTIF interface bug 2013-02-20 16:11:21 -08:00
Andrew Waterman
dbb61306f0 randomize coreid mapping 2013-01-26 16:13:14 -08:00
Andrew Waterman
4077b22929 include fesvr as a library; improve harnesses 2013-01-24 23:57:23 -08:00
Andrew Waterman
d911e635d6 simplify c++ memory models; support +dramsim flag 
works for both vlsi and emulator
 2012-12-04 07:04:26 -08:00
Andrew Waterman
6d47d18c2b catch sigterm to gracefully exit (fixes vcd) 2012-11-20 05:40:44 -08:00
Andrew Waterman
b58214d7e3 remove more global constants 2012-11-17 17:25:43 -08:00
Andrew Waterman
cf05b604b3 upgrade to new rocket; improve vlsi makefiles 2012-11-17 07:21:29 -08:00
Andrew Waterman
e2afae011a factor out global constants 2012-11-06 08:18:40 -08:00
Andrew Waterman
4ed2d614a2 update to new rocket; retime fpu in dc-syn 2012-11-04 16:43:02 -08:00
Andrew Waterman
edf0eeed01 integrate updated rocket/uncore 2012-10-18 17:51:41 -07:00
Miquel Moreto
5d75ddc553 Added dramsim2 memory model to the emulator backend 2012-10-14 14:06:28 -07:00
Huy Vo
93a0182b96 everything to get emulator working 2012-10-01 19:30:11 -07:00