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author | Clifford Wolf <clifford@clifford.at> | 2015-08-16 12:54:52 +0200 |
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committer | Clifford Wolf <clifford@clifford.at> | 2015-08-16 12:54:52 +0200 |
commit | ff50bc2ac304fcec5746939e155dcac2b01665df (patch) | |
tree | 4f96a536b767e09ccd0f9fa41703616904354723 /kernel | |
parent | ae09c89f626d48bb2fa274903a220d32170b033e (diff) | |
download | yosys-ff50bc2ac304fcec5746939e155dcac2b01665df.tar.gz yosys-ff50bc2ac304fcec5746939e155dcac2b01665df.tar.bz2 yosys-ff50bc2ac304fcec5746939e155dcac2b01665df.zip |
Added $tribuf and $_TBUF_ cell types
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/celltypes.h | 3 | ||||
-rw-r--r-- | kernel/rtlil.cc | 20 | ||||
-rw-r--r-- | kernel/rtlil.h | 1 |
3 files changed, 24 insertions, 0 deletions
diff --git a/kernel/celltypes.h b/kernel/celltypes.h index 229f80b71..f36833446 100644 --- a/kernel/celltypes.h +++ b/kernel/celltypes.h @@ -112,6 +112,8 @@ struct CellTypes setup_type("$alu", {A, B, CI, BI}, {X, Y, CO}, true); setup_type("$fa", {A, B, C}, {X, Y}, true); + setup_type("$tribuf", {A, EN}, {Y}, true); + setup_type("$assert", {A, EN}, pool<RTLIL::IdString>(), true); setup_type("$assume", {A, EN}, pool<RTLIL::IdString>(), true); setup_type("$equiv", {A, B}, {Y}, true); @@ -166,6 +168,7 @@ struct CellTypes setup_type("$_OAI3_", {A, B, C}, {Y}, true); setup_type("$_AOI4_", {A, B, C, D}, {Y}, true); setup_type("$_OAI4_", {A, B, C, D}, {Y}, true); + setup_type("$_TBUF_", {A, E}, {Y}, true); } void setup_stdcells_mem() diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc index bd7f5c9f2..560ef4b64 100644 --- a/kernel/rtlil.cc +++ b/kernel/rtlil.cc @@ -996,6 +996,14 @@ namespace { return; } + if (cell->type == "$tribuf") { + port("\\A", param("\\WIDTH")); + port("\\Y", param("\\WIDTH")); + port("\\EN", 1); + check_expected(); + return; + } + if (cell->type == "$assert") { port("\\A", 1); port("\\EN", 1); @@ -1032,6 +1040,8 @@ namespace { if (cell->type == "$_AOI4_") { check_gate("ABCDY"); return; } if (cell->type == "$_OAI4_") { check_gate("ABCDY"); return; } + if (cell->type == "$_TBUF_") { check_gate("AYE"); return; } + if (cell->type == "$_MUX4_") { check_gate("ABCDSTY"); return; } if (cell->type == "$_MUX8_") { check_gate("ABCDEFGHSTUY"); return; } if (cell->type == "$_MUX16_") { check_gate("ABCDEFGHIJKLMNOPSTUVY"); return; } @@ -1740,6 +1750,16 @@ RTLIL::Cell* RTLIL::Module::addLut(RTLIL::IdString name, RTLIL::SigSpec sig_i, R return cell; } +RTLIL::Cell* RTLIL::Module::addTribuf(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_en, RTLIL::SigSpec sig_y) +{ + RTLIL::Cell *cell = addCell(name, "$tribuf"); + cell->parameters["\\WIDTH"] = sig_a.size(); + cell->setPort("\\A", sig_a); + cell->setPort("\\EN", sig_en); + cell->setPort("\\Y", sig_y); + return cell; +} + RTLIL::Cell* RTLIL::Module::addAssert(RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_en) { RTLIL::Cell *cell = addCell(name, "$assert"); diff --git a/kernel/rtlil.h b/kernel/rtlil.h index a557d1355..21b42cdbe 100644 --- a/kernel/rtlil.h +++ b/kernel/rtlil.h @@ -999,6 +999,7 @@ public: RTLIL::Cell* addSlice (RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_y, RTLIL::Const offset); RTLIL::Cell* addConcat (RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, RTLIL::SigSpec sig_y); RTLIL::Cell* addLut (RTLIL::IdString name, RTLIL::SigSpec sig_i, RTLIL::SigSpec sig_o, RTLIL::Const lut); + RTLIL::Cell* addTribuf (RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_en, RTLIL::SigSpec sig_y); RTLIL::Cell* addAssert (RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_en); RTLIL::Cell* addEquiv (RTLIL::IdString name, RTLIL::SigSpec sig_a, RTLIL::SigSpec sig_b, RTLIL::SigSpec sig_y); |