aboutsummaryrefslogtreecommitdiffstats
path: root/README.md
diff options
context:
space:
mode:
authorClifford Wolf <clifford@clifford.at>2019-06-19 13:53:07 +0200
committerGitHub <noreply@github.com>2019-06-19 13:53:07 +0200
commit5a1f1caa44fb3f4427813acab61aaecc06bae7ba (patch)
tree3cceea7d49a6ae44e5ab765e0bd11fecfee6b47b /README.md
parentc330379870a48209534807d1c021ce2a20ccf880 (diff)
parentfa5fc3f6afd9eb27c1f52244b60cbeb77aa2e26c (diff)
downloadyosys-5a1f1caa44fb3f4427813acab61aaecc06bae7ba.tar.gz
yosys-5a1f1caa44fb3f4427813acab61aaecc06bae7ba.tar.bz2
yosys-5a1f1caa44fb3f4427813acab61aaecc06bae7ba.zip
Merge pull request #1105 from YosysHQ/clifford/fixlogicinit
Improve handling of initial/default values
Diffstat (limited to 'README.md')
-rw-r--r--README.md4
1 files changed, 4 insertions, 0 deletions
diff --git a/README.md b/README.md
index 94ea9538f..637703a7f 100644
--- a/README.md
+++ b/README.md
@@ -350,6 +350,10 @@ Verilog Attributes and non-standard features
through the synthesis. When entities are combined, a new |-separated
string is created that contains all the string from the original entities.
+- The ``defaultvalue`` attribute is used to store default values for
+ module inputs. The attribute is attached to the input wire by the HDL
+ front-end when the input is declared with a default value.
+
- In addition to the ``(* ... *)`` attribute syntax, Yosys supports
the non-standard ``{* ... *}`` attribute syntax to set default attributes
for everything that comes after the ``{* ... *}`` statement. (Reset