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8 Commits
70a3a6048f ... 771a297aa7

Author SHA1 Message Date
KrystalDelusion 771a297aa7
Merge e649c1a8e1 into 29e8812bab 2024-11-26 04:07:22 +13:00
Miodrag Milanović 29e8812bab
Merge pull request #4724 from YosysHQ/micko/blackbox_verific 
verific: fix blackbox regression and add test case
 2024-11-25 15:06:54 +01:00
Miodrag Milanović 9512ec4bbc
Merge pull request #4764 from YosysHQ/micko/verific_vhdl_assert 
verific : VHDL assert DFF initial value set on Verific library patch
 2024-11-25 15:06:36 +01:00
Miodrag Milanovic d6bd521487 verific : VHDL assert DFF initial value set on Verific library patch side 2024-11-21 13:43:26 +01:00
Krystine Sherwin e649c1a8e1
Docs: Accept empty string for release envvar 2024-11-20 12:31:12 +13:00
Krystine Sherwin 44b68fb498
Docs: Add check for envvar to disable todos 2024-11-20 12:18:17 +13:00
Krystine Sherwin 1476eaba00
Docs: Add fallback for missing furo_ys 
This is mainly intended for (latex)pdf builds which do not use the furo-ys html theme, where the yosys script syntax highlighting can safely fallback to plaintext.  This effectively makes `furo-ys` an optional dependency to simplify distro-package maintainability.
See also #4725.
 2024-11-12 16:23:12 +13:00
Miodrag Milanovic df391f5816 verific: fix blackbox regression and add test case 2024-11-08 14:57:04 +01:00
3 changed files with 34 additions and 8 deletions
Show Stats Expand all files Collapse all files

11
docs/source/conf.py
View File

@ -56,6 +56,9 @@ if os.getenv("READTHEDOCS"):
else:
release = yosys_ver
todo_include_todos = False
elif os.getenv("YOSYS_DOCS_RELEASE") is not None:
release = yosys_ver
todo_include_todos = False
else:
release = yosys_ver
todo_include_todos = True
@ -87,5 +90,9 @@ def setup(app: Sphinx) -> None:
from util.RtlilLexer import RtlilLexer
app.add_lexer("RTLIL", RtlilLexer)
from furo_ys.lexers.YoscryptLexer import YoscryptLexer
app.add_lexer("yoscrypt", YoscryptLexer)
try:
from furo_ys.lexers.YoscryptLexer import YoscryptLexer
app.add_lexer("yoscrypt", YoscryptLexer)
except ModuleNotFoundError:
from pygments.lexers.special import TextLexer
app.add_lexer("yoscrypt", TextLexer)

7
frontends/verific/verific.cc
View File

@ -2126,12 +2126,6 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::ma
log(" assert condition %s.\n", log_signal(cond));
Cell *cell = module->addAssert(new_verific_id(inst), cond, State::S1);
// Initialize FF feeding condition to 1, in case it is not
// used by rest of design logic, to prevent failing on
// initial uninitialized state
if (cond.is_wire() && !cond.wire->name.isPublic())
cond.wire->attributes[ID::init] = Const(1,1);
import_attributes(cell->attributes, inst);
continue;
}
@ -3428,6 +3422,7 @@ struct VerificPass : public Pass {
RuntimeFlags::SetVar("veri_preserve_assignments", 1);
RuntimeFlags::SetVar("veri_preserve_comments", 1);
RuntimeFlags::SetVar("veri_preserve_drivers", 1);
RuntimeFlags::SetVar("veri_create_empty_box", 1);
// Workaround for VIPER #13851
RuntimeFlags::SetVar("veri_create_name_for_unnamed_gen_block", 1);

24
tests/verific/blackbox.ys Normal file
View File

@ -0,0 +1,24 @@
verific -sv -lib <<EOF
module TEST_CELL(input clk, input a, input b, output reg c);
parameter PATH = "DEFAULT";
always @(posedge clk) begin
if (PATH=="DEFAULT")
c <= a;
else
c <= b;
end
endmodule
EOF
verific -sv <<EOF
module top(input clk, input a, input b, output c, output d);
TEST_CELL #(.PATH("TEST")) test1(.clk(clk),.a(a),.b(1'b1),.c(c));
TEST_CELL #(.PATH("DEFAULT")) test2(.clk(clk),.a(a),.b(1'bx),.c(d));
endmodule
EOF
verific -import top
hierarchy -top top
stat
select -assert-count 2 t:TEST_CELL