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| author | Marcelina Kościelnicka <mwk@0x04.net> | 2021-02-23 00:21:46 +0100 |
|---|---|---|
| committer | Marcelina Kościelnicka <mwk@0x04.net> | 2021-03-08 20:16:29 +0100 |
| commit | 4e03865d5bf3fafe0bd3735c88431675d53d2663 (patch) | |
| tree | 7ef637bd0526b498d32386bc1c79c671a02af7f0 /frontends | |
| parent | c00a29296c8d3446c7cfe253080c7e33358219b0 (diff) | |
| download | yosys-4e03865d5bf3fafe0bd3735c88431675d53d2663.tar.gz yosys-4e03865d5bf3fafe0bd3735c88431675d53d2663.tar.bz2 yosys-4e03865d5bf3fafe0bd3735c88431675d53d2663.zip | |
Add support for memory writes in processes.
Diffstat (limited to 'frontends')
| -rw-r--r-- | frontends/rtlil/rtlil_lexer.l | 1 | ||||
| -rw-r--r-- | frontends/rtlil/rtlil_parser.y | 19 |
2 files changed, 19 insertions, 1 deletions
diff --git a/frontends/rtlil/rtlil_lexer.l b/frontends/rtlil/rtlil_lexer.l index beef220f6..897ebf667 100644 --- a/frontends/rtlil/rtlil_lexer.l +++ b/frontends/rtlil/rtlil_lexer.l @@ -79,6 +79,7 @@ USING_YOSYS_NAMESPACE "global" { return TOK_GLOBAL; } "init" { return TOK_INIT; } "update" { return TOK_UPDATE; } +"memwr" { return TOK_MEMWR; } "process" { return TOK_PROCESS; } "end" { return TOK_END; } diff --git a/frontends/rtlil/rtlil_parser.y b/frontends/rtlil/rtlil_parser.y index 646489196..7a8f508bf 100644 --- a/frontends/rtlil/rtlil_parser.y +++ b/frontends/rtlil/rtlil_parser.y @@ -69,7 +69,7 @@ USING_YOSYS_NAMESPACE %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_GLOBAL TOK_INIT -%token TOK_UPDATE TOK_PROCESS TOK_END TOK_INVALID TOK_EOL TOK_OFFSET +%token TOK_UPDATE TOK_MEMWR TOK_PROCESS TOK_END TOK_INVALID TOK_EOL TOK_OFFSET %token TOK_PARAMETER TOK_ATTRIBUTE TOK_MEMORY TOK_SIZE TOK_SIGNED TOK_REAL TOK_UPTO %type <rsigspec> sigspec_list_reversed @@ -155,6 +155,7 @@ param_defval_stmt: TOK_PARAMETER TOK_ID constant EOL { current_module->avail_parameters($2); current_module->parameter_default_values[$2] = *$3; + delete $3; free($2); }; @@ -389,6 +390,22 @@ update_list: delete $3; delete $4; } | + update_list attr_list TOK_MEMWR TOK_ID sigspec sigspec sigspec constant EOL { + RTLIL::MemWriteAction act; + act.attributes = attrbuf; + act.memid = $4; + act.address = *$5; + act.data = *$6; + act.enable = *$7; + act.priority_mask = *$8; + current_process->syncs.back()->mem_write_actions.push_back(std::move(act)); + attrbuf.clear(); + free($4); + delete $5; + delete $6; + delete $7; + delete $8; + } | /* empty */; constant: |