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| author | Clifford Wolf <clifford@clifford.at> | 2016-10-14 12:33:56 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2016-10-14 12:33:56 +0200 |
| commit | 53655d173b2928328061c8440cc993508e951e1f (patch) | |
| tree | 87c12bdeb1a7cde96569efd1da18bee909b2f115 /frontends/ilang | |
| parent | ffbb4e992e5312d8feafcc1c6c850ea06c3e09b2 (diff) | |
| download | yosys-53655d173b2928328061c8440cc993508e951e1f.tar.gz yosys-53655d173b2928328061c8440cc993508e951e1f.tar.bz2 yosys-53655d173b2928328061c8440cc993508e951e1f.zip | |
Added $global_clock verilog syntax support for creating $ff cells
Diffstat (limited to 'frontends/ilang')
| -rw-r--r-- | frontends/ilang/ilang_lexer.l | 1 | ||||
| -rw-r--r-- | frontends/ilang/ilang_parser.y | 8 |
2 files changed, 8 insertions, 1 deletions
diff --git a/frontends/ilang/ilang_lexer.l b/frontends/ilang/ilang_lexer.l index 415de74eb..842388548 100644 --- a/frontends/ilang/ilang_lexer.l +++ b/frontends/ilang/ilang_lexer.l @@ -74,6 +74,7 @@ USING_YOSYS_NAMESPACE "negedge" { return TOK_NEGEDGE; } "edge" { return TOK_EDGE; } "always" { return TOK_ALWAYS; } +"global" { return TOK_GLOBAL; } "init" { return TOK_INIT; } "update" { return TOK_UPDATE; } "process" { return TOK_PROCESS; } diff --git a/frontends/ilang/ilang_parser.y b/frontends/ilang/ilang_parser.y index cc31c8642..fe5f23d66 100644 --- a/frontends/ilang/ilang_parser.y +++ b/frontends/ilang/ilang_parser.y @@ -57,7 +57,7 @@ USING_YOSYS_NAMESPACE %token <integer> TOK_INT %token TOK_AUTOIDX TOK_MODULE TOK_WIRE TOK_WIDTH TOK_INPUT TOK_OUTPUT TOK_INOUT %token TOK_CELL TOK_CONNECT TOK_SWITCH TOK_CASE TOK_ASSIGN TOK_SYNC -%token TOK_LOW TOK_HIGH TOK_POSEDGE TOK_NEGEDGE TOK_EDGE TOK_ALWAYS TOK_INIT +%token TOK_LOW TOK_HIGH TOK_POSEDGE TOK_NEGEDGE TOK_EDGE TOK_ALWAYS TOK_GLOBAL TOK_INIT %token TOK_UPDATE TOK_PROCESS TOK_END TOK_INVALID TOK_EOL TOK_OFFSET %token TOK_PARAMETER TOK_ATTRIBUTE TOK_MEMORY TOK_SIZE TOK_SIGNED TOK_UPTO @@ -301,6 +301,12 @@ sync_list: rule->signal = RTLIL::SigSpec(); current_process->syncs.push_back(rule); } update_list | + sync_list TOK_SYNC TOK_GLOBAL EOL { + RTLIL::SyncRule *rule = new RTLIL::SyncRule; + rule->type = RTLIL::SyncType::STg; + rule->signal = RTLIL::SigSpec(); + current_process->syncs.push_back(rule); + } update_list | sync_list TOK_SYNC TOK_INIT EOL { RTLIL::SyncRule *rule = new RTLIL::SyncRule; rule->type = RTLIL::SyncType::STi; |