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author | David Shah <dave@ds0.me> | 2018-10-31 10:48:54 +0000 |
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committer | David Shah <dave@ds0.me> | 2018-10-31 10:48:54 +0000 |
commit | db0646be8ac646fc678b967b1bc656e721aa5f0e (patch) | |
tree | 8c008858c5fe14a25bf16a6c0b9e42b07fda0f3e /ecp5/main.cc | |
parent | af9ed378b49b19abcc2a8e4aa8877f5f1f0e0984 (diff) | |
download | nextpnr-db0646be8ac646fc678b967b1bc656e721aa5f0e.tar.gz nextpnr-db0646be8ac646fc678b967b1bc656e721aa5f0e.tar.bz2 nextpnr-db0646be8ac646fc678b967b1bc656e721aa5f0e.zip |
ecp5: Adding LPF parser
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'ecp5/main.cc')
-rw-r--r-- | ecp5/main.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/ecp5/main.cc b/ecp5/main.cc index e71b0983..c444f96f 100644 --- a/ecp5/main.cc +++ b/ecp5/main.cc @@ -35,6 +35,7 @@ class ECP5CommandHandler : public CommandHandler virtual ~ECP5CommandHandler(){}; std::unique_ptr<Context> createContext() override; void setupArchContext(Context *ctx) override{}; + void customAfterLoad(Context *ctx) override; void validate() override; void customBitstream(Context *ctx) override; @@ -56,9 +57,13 @@ po::options_description ECP5CommandHandler::getArchOptions() specific.add_options()("um5g-25k", "set device type to LFE5UM5G-25F"); specific.add_options()("um5g-45k", "set device type to LFE5UM5G-45F"); specific.add_options()("um5g-85k", "set device type to LFE5UM5G-85F"); + specific.add_options()("package", po::value<std::string>(), "select device package (defaults to CABGA381)"); specific.add_options()("basecfg", po::value<std::string>(), "base chip configuration in Trellis text format"); specific.add_options()("textcfg", po::value<std::string>(), "textual configuration in Trellis format to write"); + + specific.add_options()("lpf", po::value<std::vector<std::string>>(), "LPF pin constraint file(s)"); + return specific; } void ECP5CommandHandler::validate() @@ -111,6 +116,17 @@ std::unique_ptr<Context> ECP5CommandHandler::createContext() return std::unique_ptr<Context>(new Context(chipArgs)); } +void ECP5CommandHandler::customAfterLoad(Context *ctx) +{ + if (vm.count("lpf")) { + std::vector<std::string> files = vm["lpf"].as<std::vector<std::string>>(); + for (const auto &filename : files) { + std::ifstream in(filename); + ctx->applyLPF(filename, in); + } + } +} + int main(int argc, char *argv[]) { ECP5CommandHandler handler(argc, argv); |