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| author | Marcelina Kościelnicka <mwk@0x04.net> | 2021-07-31 23:21:37 +0200 |
|---|---|---|
| committer | Marcelina Kościelnicka <mwk@0x04.net> | 2021-08-11 00:04:16 +0200 |
| commit | e6f3d1c225abecf736782f43af4f36526c63f4c5 (patch) | |
| tree | 5753dd1d51863623bbcb4e1ecc716171f99a6db0 /backends/verilog | |
| parent | 681a1c07e52dc82449501f4939e6312f593449bd (diff) | |
| download | yosys-e6f3d1c225abecf736782f43af4f36526c63f4c5.tar.gz yosys-e6f3d1c225abecf736782f43af4f36526c63f4c5.tar.bz2 yosys-e6f3d1c225abecf736782f43af4f36526c63f4c5.zip | |
kernel/mem: Introduce transparency masks.
Diffstat (limited to 'backends/verilog')
| -rw-r--r-- | backends/verilog/verilog_backend.cc | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/backends/verilog/verilog_backend.cc b/backends/verilog/verilog_backend.cc index 8f96c3a58..47b48a460 100644 --- a/backends/verilog/verilog_backend.cc +++ b/backends/verilog/verilog_backend.cc @@ -555,7 +555,10 @@ void dump_memory(std::ostream &f, std::string indent, Mem &mem) } // Decide how to represent the transparency; same idea as Mem::extract_rdff. - bool trans_use_addr = port.transparent; + bool trans_use_addr = true; + for (auto bit : port.transparency_mask) + if (!bit) + trans_use_addr = false; if (GetSize(mem.wr_ports) == 0) trans_use_addr = false; @@ -630,13 +633,7 @@ void dump_memory(std::ostream &f, std::string indent, Mem &mem) for (int i = 0; i < GetSize(mem.wr_ports); i++) { auto &wport = mem.wr_ports[i]; - if (!port.transparent) - continue; - if (!wport.clk_enable) - continue; - if (wport.clk != port.clk) - continue; - if (wport.clk_polarity != port.clk_polarity) + if (!port.transparency_mask[i] && !port.collision_x_mask[i]) continue; int min_wide_log2 = std::min(port.wide_log2, wport.wide_log2); int max_wide_log2 = std::max(port.wide_log2, wport.wide_log2); @@ -679,7 +676,10 @@ void dump_memory(std::ostream &f, std::string indent, Mem &mem) if (epos-pos != GetSize(port.data)) os2 << stringf("[%d:%d]", rsub * mem.width + epos-1, rsub * mem.width + pos); os2 << " <= "; - dump_sigspec(os2, wport.data.extract(wsub * mem.width + pos, epos-pos)); + if (port.transparency_mask[i]) + dump_sigspec(os2, wport.data.extract(wsub * mem.width + pos, epos-pos)); + else + dump_sigspec(os2, Const(State::Sx, epos - pos)); os2 << ";\n"; clk_to_lof_body[clk_domain_str].push_back(os2.str()); |