From ce250b341c912a3357b13259c1b0b6ed0a7b95a6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marcin=20Ko=C5=9Bcielnicki?= Date: Tue, 2 Jul 2019 14:28:35 +0200 Subject: synth_xilinx: Initial Spartan 6 block RAM inference support. --- techlibs/xilinx/synth_xilinx.cc | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) (limited to 'techlibs/xilinx/synth_xilinx.cc') diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 77daa745c..b672a0d4f 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -236,8 +236,13 @@ struct SynthXilinxPass : public ScriptPass run("read_verilog -lib +/xilinx/cells_xtra.v"); - if (!nobram || help_mode) - run("read_verilog -lib +/xilinx/brams_bb.v", "(skip if '-nobram')"); + if (help_mode) { + run("read_verilog -lib +/xilinx/{family}_brams_bb.v"); + } else if (family == "xc6s") { + run("read_verilog -lib +/xilinx/xc6s_brams_bb.v"); + } else if (family == "xc7") { + run("read_verilog -lib +/xilinx/xc7_brams_bb.v"); + } run(stringf("hierarchy -check %s", top_opt.c_str())); } @@ -280,9 +285,19 @@ struct SynthXilinxPass : public ScriptPass } if (check_label("bram", "(skip if '-nobram')")) { - if (!nobram || help_mode) { - run("memory_bram -rules +/xilinx/brams.txt"); - run("techmap -map +/xilinx/brams_map.v"); + if (help_mode) { + run("memory_bram -rules +/xilinx/{family}_brams.txt"); + run("techmap -map +/xilinx/{family}_brams_map.v"); + } else if (!nobram) { + if (family == "xc6s") { + run("memory_bram -rules +/xilinx/xc6s_brams.txt"); + run("techmap -map +/xilinx/xc6s_brams_map.v"); + } else if (family == "xc7") { + run("memory_bram -rules +/xilinx/xc7_brams.txt"); + run("techmap -map +/xilinx/xc7_brams_map.v"); + } else { + log_warning("Block RAM inference not yet supported for family %s.\n", family.c_str()); + } } } -- cgit v1.2.3