diff options
| -rw-r--r-- | CHANGELOG | 4 | ||||
| -rw-r--r-- | techlibs/xilinx/Makefile.inc | 4 | ||||
| -rw-r--r-- | techlibs/xilinx/lutrams.txt (renamed from techlibs/xilinx/drams.txt) | 0 | ||||
| -rw-r--r-- | techlibs/xilinx/lutrams_map.v (renamed from techlibs/xilinx/drams_map.v) | 0 | ||||
| -rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 31 |
5 files changed, 23 insertions, 16 deletions
@@ -14,6 +14,10 @@ Yosys 0.9 .. Yosys 0.9-dev - Added "synth -abc9" (experimental) - Added "script -scriptwire - "synth_xilinx" to now infer wide multiplexers (-widemux <min> to enable) + - Renamed labels/options in synth_ice40 (e.g. dram -> map_lutram; -nodram -> -nolutram) + - Renamed labels/options in synth_ecp5 (e.g. dram -> map_lutram; -nodram -> -nolutram) + - Renamed labels in synth_intel (e.g. bram -> map_bram) + - Renamed labels/options in synth_xilinx (e.g. dram -> map_lutram; -nodram -> -nolutram) - Added automatic gzip decompression for frontends - Added $_NMUX_ cell type - Added automatic gzip compression (based on filename extension) for backends diff --git a/techlibs/xilinx/Makefile.inc b/techlibs/xilinx/Makefile.inc index 2c6e7432e..2b1af289c 100644 --- a/techlibs/xilinx/Makefile.inc +++ b/techlibs/xilinx/Makefile.inc @@ -32,8 +32,8 @@ $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/xc6s_brams_bb.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/xc7_brams.txt)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/xc7_brams_map.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/xc7_brams_bb.v)) -$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/drams.txt)) -$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/drams_map.v)) +$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/lutrams.txt)) +$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/lutrams_map.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/arith_map.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/ff_map.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/lut_map.v)) diff --git a/techlibs/xilinx/drams.txt b/techlibs/xilinx/lutrams.txt index 2613c206c..2613c206c 100644 --- a/techlibs/xilinx/drams.txt +++ b/techlibs/xilinx/lutrams.txt diff --git a/techlibs/xilinx/drams_map.v b/techlibs/xilinx/lutrams_map.v index 77041ca86..77041ca86 100644 --- a/techlibs/xilinx/drams_map.v +++ b/techlibs/xilinx/lutrams_map.v diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index d143c6823..7ba67409b 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -64,13 +64,13 @@ struct SynthXilinxPass : public ScriptPass log(" (this feature is experimental and incomplete)\n"); log("\n"); log(" -nobram\n"); - log(" disable inference of block rams\n"); + log(" do not use block RAM cells in output netlist\n"); log("\n"); - log(" -nodram\n"); - log(" disable inference of distributed rams\n"); + log(" -nolutram\n"); + log(" do not use distributed RAM cells in output netlist\n"); log("\n"); log(" -nosrl\n"); - log(" disable inference of shift registers\n"); + log(" do not use distributed SRL cells in output netlist\n"); log("\n"); log(" -nocarry\n"); log(" do not use XORCY/MUXCY/CARRY4 cells in output netlist\n"); @@ -104,7 +104,7 @@ struct SynthXilinxPass : public ScriptPass } std::string top_opt, edif_file, blif_file, family; - bool flatten, retime, vpr, nobram, nodram, nosrl, nocarry, nowidelut, abc9; + bool flatten, retime, vpr, nobram, nolutram, nosrl, nocarry, nowidelut, abc9; int widemux; void clear_flags() YS_OVERRIDE @@ -118,7 +118,7 @@ struct SynthXilinxPass : public ScriptPass vpr = false; nocarry = false; nobram = false; - nodram = false; + nolutram = false; nosrl = false; nocarry = false; nowidelut = false; @@ -186,8 +186,8 @@ struct SynthXilinxPass : public ScriptPass nobram = true; continue; } - if (args[argidx] == "-nodram") { - nodram = true; + if (args[argidx] == "-nolutram" || /*deprecated alias*/ args[argidx] == "-nodram") { + nolutram = true; continue; } if (args[argidx] == "-nosrl") { @@ -284,7 +284,7 @@ struct SynthXilinxPass : public ScriptPass run("opt_clean"); } - if (check_label("bram", "(skip if '-nobram')")) { + if (check_label("map_bram", "(skip if '-nobram')")) { if (help_mode) { run("memory_bram -rules +/xilinx/{family}_brams.txt"); run("techmap -map +/xilinx/{family}_brams_map.v"); @@ -301,20 +301,23 @@ struct SynthXilinxPass : public ScriptPass } } - if (check_label("dram", "(skip if '-nodram')")) { - if (!nodram || help_mode) { - run("memory_bram -rules +/xilinx/drams.txt"); - run("techmap -map +/xilinx/drams_map.v"); + if (check_label("map_lutram", "(skip if '-nolutram')")) { + if (!nolutram || help_mode) { + run("memory_bram -rules +/xilinx/lutrams.txt"); + run("techmap -map +/xilinx/lutrams_map.v"); } } - if (check_label("fine")) { + if (check_label("map_ffram")) { if (widemux > 0) run("opt -fast -mux_bool -undriven -fine"); // Necessary to omit -mux_undef otherwise muxcover // performs less efficiently else run("opt -fast -full"); run("memory_map"); + } + + if (check_label("fine")) { run("dffsr2dff"); run("dff2dffe"); if (help_mode) { |