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Code Activity
14687 commits 122 branches 59 tags 71 MiB
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235 commits

Author SHA1 Message Date
Clifford Wolf
03fb92ed6f Add "opt_mem" pass 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-11-22 17:45:22 +01:00
David Shah
7ff5d6d30a memory_collect: Copy attr from RTLIL::Memory to cell 
Signed-off-by: David Shah <dave@ds0.me>
 2019-11-18 13:58:03 +00:00
Eddie Hung
48d0f99406 stoi -> atoi 2019-08-07 11:09:17 -07:00
Eddie Hung
c11ad24fd7 Use std::stoi instead of atoi(<str>.c_str()) 2019-08-06 16:45:48 -07:00
Eddie Hung
046e1a5214 Use State::S{0,1} 2019-08-06 16:22:47 -07:00
Eddie Hung
3486235338 Make liberal use of IdString.in() 2019-08-06 16:18:18 -07:00
Eddie Hung
ab3917d079 Error out if enable > dbits 2019-07-13 03:39:23 -07:00
David Shah
d45936fe5f memory_dff: Fix checking of feedback mux input when more than one mux 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-02 13:35:50 +01:00
Eddie Hung
42720ef6fe Fix spacing 2019-06-25 08:33:17 -07:00
Eddie Hung
c4e4902098 Move only one consumer check outside of while loop 2019-06-25 08:29:55 -07:00
Eddie Hung
b7deaceadd Walk through as many muxes as exist for rd_en 2019-06-24 18:33:06 -07:00
David Shah
2bf3ca6443 memory_bram: Fix multiport make_transp 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-07 16:56:31 +01:00
David Shah
6acbc016f4 memory_bram: Consider read enable for address expansion register 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-02 19:47:50 +01:00
David Shah
60594ad40c memory_bram: Reset make_transp when growing read ports 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-27 17:19:14 +00:00
David Shah
ac6cc88db3 memory_bram: Fix multiclock make_transp 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-24 16:21:36 +00:00
whitequark
0c318e7db5 memory_collect: do not truncate 'x from \INIT. 
The semantics of an RTLIL constant that has less bits than its
declared bit width is zero padding. Therefore, if the output of
memory_collect will be used for simulation, truncating 'x from
the end of \INIT will produce incorrect simulation results.
 2018-12-21 02:01:27 +00:00
David Shah
2b16d4ed3d memory_dff: Fix typo when checking init value 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-12-18 17:40:01 +00:00
Graham Edgecombe
4fef9689ab memory_bram: Fix initdata bit order after shuffling 
In some cases the memory_bram pass shuffles the order of the bits in a
memory's RD_DATA port. Although the order of the bits in the WR_DATA and
WR_EN ports is changed to match the RD_DATA port, the order of the bits
in the initialization data is not.

This causes reads of initialized memories to return invalid data (until
the initialization data is overwritten).

This commit fixes the bug by shuffling the initdata bits in exactly the
same order as the RD_DATA/WR_DATA/WR_EN bits.
 2018-12-11 21:02:49 +00:00
David Shah
3420ae5ca5 memory_bram: Reset make_outreg when growing read ports 
Signed-off-by: David Shah <dave@ds0.me>
 2018-10-19 14:46:31 +01:00
Henner Zeller
3aa4484a3c Consistent use of 'override' for virtual methods in derived classes. 
o Not all derived methods were marked 'override', but it is a great
  feature of C++11 that we should make use of.
o While at it: touched header files got a -*- c++ -*- for emacs to
  provide support for that language.
o use YS_OVERRIDE for all override keywords (though we should probably
  use the plain keyword going forward now that C++11 is established)
 2018-07-20 23:51:06 -07:00
Clifford Wolf
cee4b1e6bc Disable memory_dff for initialized FFs 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-05-28 17:16:15 +02:00
Clifford Wolf
74efafc1cf Add some cleanup code to memory_nordff 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-05-28 16:42:06 +02:00
Clifford Wolf
73c01dca65 Add "memory_nordff" pass 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-03-06 23:31:51 +01:00
Kaj Tuomi
df4ab169a7 Typo fix. 2016-09-08 10:57:16 +03:00
Clifford Wolf
23afeadb5e Fixed handling of transparent bram rd ports on ROMs 2016-08-27 17:06:22 +02:00
Clifford Wolf
cad40fc874 Fixed bug in memory_share for memory ports with different ABITS 2016-08-22 14:26:33 +02:00
Clifford Wolf
15ef608453 Added memory_memx pass, "memory -memx", and "prep -memx" 2016-08-19 19:48:26 +02:00
Clifford Wolf
f6629b9c29 Optimize memory address port width in wreduce and memory_collect, not verilog front-end 2016-08-19 18:38:25 +02:00
Clifford Wolf
ffcdc53a18 Don't sign-extend memory bram initialization data 2016-05-15 00:05:30 +02:00
Clifford Wolf
0bc95f1e04 Added "yosys -D" feature 2016-04-21 23:28:37 +02:00
Clifford Wolf
1761d08dd2 Bugfix and improvements in memory_share 2016-04-21 14:22:58 +02:00
Clifford Wolf
ec93680bd5 Renamed opt_share to opt_merge 2016-03-31 08:52:49 +02:00
Clifford Wolf
bcc873b805 Fixed some visual studio warnings 2016-02-13 17:31:24 +01:00
Clifford Wolf
ddf3e2dc65 Bugfix in memory_dff 2015-10-31 22:01:41 +01:00
Clifford Wolf
207736b4ee Import more std:: stuff into Yosys namespace 2015-10-25 19:30:49 +01:00
Clifford Wolf
4864736167 Bugfix in bram read-enable code 2015-09-25 14:22:33 +02:00
Clifford Wolf
924d9d6e86 Added read-enable to memory model 2015-09-25 12:23:11 +02:00
Clifford Wolf
3501f8e364 Fixed memory_bram for ROMs in BRAMs with write-enable inputs 2015-09-24 11:37:15 +02:00
Larry Doolittle
022f570563 Keep gcc from complaining about uninitialized variables 2015-08-14 23:26:49 +02:00
Clifford Wolf
84bf862f7c Spell check (by Larry Doolittle) 2015-08-14 10:56:05 +02:00
Clifford Wolf
883e09d8ed Use MEMID as name for $mem cell 2015-08-09 13:35:44 +02:00
Clifford Wolf
8d6d5c30d9 Added WORDS parameter to $meminit 2015-07-31 10:40:09 +02:00
Clifford Wolf
d2ff5d9994 Do not collect disabled $memwr cells 2015-07-06 13:28:00 +02:00
Clifford Wolf
6c84341f22 Fixed trailing whitespaces 2015-07-02 11:14:30 +02:00
Clifford Wolf
66910e15b2 Modernized memory_dff (and fixed a bug) 2015-06-14 16:15:51 +02:00
Clifford Wolf
f6eca509bb Added "memory -nordff" 2015-06-14 15:47:11 +02:00
Clifford Wolf
b57cb4a7fe Merge clock inverters in memory_dff 2015-06-09 07:25:12 +02:00
Clifford Wolf
7462618591 Fixed memory_unpack for initialized memories 2015-04-29 19:55:32 +02:00
Clifford Wolf
11f77205f5 Fixed memory_share for unconditional write with part select to memory 2015-04-22 06:40:23 +02:00
Clifford Wolf
7319951145 Added memory_bram "make_outreg" feature 2015-04-09 16:08:54 +02:00