diff options
| author | Jack Koenig | 2019-02-14 15:08:35 -0800 |
|---|---|---|
| committer | GitHub | 2019-02-14 15:08:35 -0800 |
| commit | 2272044c6ab46b5148c39c124e66e1a8e9073a24 (patch) | |
| tree | 83ad2141b1a3c54707dd9b33073f9217b0ae16c8 /src/main/antlr4/FIRRTL.g4 | |
| parent | d487b4cb6726e7e8d1a18f894021652594125221 (diff) | |
Asynchronous Reset (#1011)
Fixes #219
* Adds AsyncResetType (similar to ClockType)
* Registers with reset signal of type AsyncResetType are async reset
registers
* Registers with async reset can only be reset to literal values
* Add initialization logic for async reset registers
Diffstat (limited to 'src/main/antlr4/FIRRTL.g4')
| -rw-r--r-- | src/main/antlr4/FIRRTL.g4 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/main/antlr4/FIRRTL.g4 b/src/main/antlr4/FIRRTL.g4 index cc5d0a16..8bdbbea3 100644 --- a/src/main/antlr4/FIRRTL.g4 +++ b/src/main/antlr4/FIRRTL.g4 @@ -56,6 +56,7 @@ type | 'SInt' ('<' intLit '>')? | 'Fixed' ('<' intLit '>')? ('<' '<' intLit '>' '>')? | 'Clock' + | 'AsyncReset' | 'Analog' ('<' intLit '>')? | '{' field* '}' // Bundle | type '[' intLit ']' // Vector @@ -253,6 +254,7 @@ primop | 'neq(' | 'pad(' | 'asUInt(' + | 'asAsyncReset(' | 'asSInt(' | 'asClock(' | 'shl(' |