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yosys
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Merge remote-tracking branch 'origin/master' into xaig_arrival

This commit is contained in:
Eddie Hung 2019-08-23 11:26:55 -07:00
parent c7af71ecde 509c353fe9
commit d672b1ddec
28 changed files with 1110 additions and 114 deletions
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1
Brewfile
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@ -6,3 +6,4 @@ brew "git"
brew "graphviz"
brew "pkg-config"
brew "python3"
brew "tcl-tk"

2
COPYING
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@ -1,4 +1,4 @@
Copyright (C) 2012 - 2018 Clifford Wolf <clifford@clifford.at>
Copyright (C) 2012 - 2019 Clifford Wolf <clifford@clifford.at>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above

2
Makefile
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@ -91,8 +91,10 @@ PLUGIN_LDFLAGS += -undefined dynamic_lookup
ifneq ($(shell which brew),)
BREW_PREFIX := $(shell brew --prefix)/opt
$(info $$BREW_PREFIX is [${BREW_PREFIX}])
ifeq ($(ENABLE_PYOSYS),1)
CXXFLAGS += -I$(BREW_PREFIX)/boost/include/boost
LDFLAGS += -L$(BREW_PREFIX)/boost/lib
endif
CXXFLAGS += -I$(BREW_PREFIX)/readline/include
LDFLAGS += -L$(BREW_PREFIX)/readline/lib
PKG_CONFIG_PATH := $(BREW_PREFIX)/libffi/lib/pkgconfig:$(PKG_CONFIG_PATH)

9
README.md
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@ -1,7 +1,7 @@
```
yosys -- Yosys Open SYnthesis Suite
Copyright (C) 2012 - 2018 Clifford Wolf <clifford@clifford.at>
Copyright (C) 2012 - 2019 Clifford Wolf <clifford@clifford.at>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
@ -69,11 +69,14 @@ prerequisites for building yosys:
graphviz xdot pkg-config python3 libboost-system-dev \
libboost-python-dev libboost-filesystem-dev zlib1g-dev
Similarily, on Mac OS X MacPorts or Homebrew can be used to install dependencies:
Similarily, on Mac OS X Homebrew can be used to install dependencies:
$ brew tap Homebrew/bundle && brew bundle
or MacPorts:
$ sudo port install bison flex readline gawk libffi \
git graphviz pkgconfig python36 boost zlib
git graphviz pkgconfig python36 boost zlib tcl
On FreeBSD use the following command to install all prerequisites:

5
frontends/ast/simplify.cc
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@ -150,6 +150,11 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
reg->str = stringf("%s[%d]", node->str.c_str(), i);
reg->is_reg = true;
reg->is_signed = node->is_signed;
for (auto &it : node->attributes)
if (it.first != ID(mem2reg))
reg->attributes.emplace(it.first, it.second->clone());
reg->filename = node->filename;
reg->linenum = node->linenum;
children.push_back(reg);
while (reg->simplify(true, false, false, 1, -1, false, false)) { }
}

2
kernel/yosys.cc
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@ -129,7 +129,7 @@ void yosys_banner()
log(" | |\n");
log(" | yosys -- Yosys Open SYnthesis Suite |\n");
log(" | |\n");
log(" | Copyright (C) 2012 - 2018 Clifford Wolf <clifford@clifford.at> |\n");
log(" | Copyright (C) 2012 - 2019 Clifford Wolf <clifford@clifford.at> |\n");
log(" | |\n");
log(" | Permission to use, copy, modify, and/or distribute this software for any |\n");
log(" | purpose with or without fee is hereby granted, provided that the above |\n");

4
passes/equiv/equiv_make.cc
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@ -532,10 +532,10 @@ struct EquivMakePass : public Pass {
log_cmd_error("Equiv module %s already exists.\n", args[argidx+2].c_str());
if (worker.gold_mod->has_memories() || worker.gold_mod->has_processes())
log_cmd_error("Gold module contains memories or procresses. Run 'memory' or 'proc' respectively.\n");
log_cmd_error("Gold module contains memories or processes. Run 'memory' or 'proc' respectively.\n");
if (worker.gate_mod->has_memories() || worker.gate_mod->has_processes())
log_cmd_error("Gate module contains memories or procresses. Run 'memory' or 'proc' respectively.\n");
log_cmd_error("Gate module contains memories or processes. Run 'memory' or 'proc' respectively.\n");
worker.read_blacklists();
worker.read_encfiles();

30
passes/opt/opt_expr.cc
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@ -369,7 +369,7 @@ void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bool cons
for (auto cell : module->cells())
if (design->selected(module, cell) && cell->type[0] == '$') {
if (cell->type.in(ID($_NOT_), ID($not), ID($logic_not)) &&
cell->getPort(ID::A).size() == 1 && cell->getPort(ID::Y).size() == 1)
GetSize(cell->getPort(ID::A)) == 1 && GetSize(cell->getPort(ID::Y)) == 1)
invert_map[assign_map(cell->getPort(ID::Y))] = assign_map(cell->getPort(ID::A));
if (cell->type.in(ID($mux), ID($_MUX_)) &&
cell->getPort(ID::A) == SigSpec(State::S1) && cell->getPort(ID::B) == SigSpec(State::S0))
@ -740,12 +740,34 @@ void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bool cons
if (cell->type.in(ID($reduce_xor), ID($reduce_xnor), ID($lt), ID($le), ID($ge), ID($gt)))
replace_cell(assign_map, module, cell, "x-bit in input", ID::Y, RTLIL::State::Sx);
else
replace_cell(assign_map, module, cell, "x-bit in input", ID::Y, RTLIL::SigSpec(RTLIL::State::Sx, cell->getPort(ID::Y).size()));
replace_cell(assign_map, module, cell, "x-bit in input", ID::Y, RTLIL::SigSpec(RTLIL::State::Sx, GetSize(cell->getPort(ID::Y))));
goto next_cell;
}
}
if (cell->type.in(ID($_NOT_), ID($not), ID($logic_not)) && cell->getPort(ID::Y).size() == 1 &&
if (cell->type.in(ID($shiftx), ID($shift))) {
SigSpec sig_a = assign_map(cell->getPort(ID::A));
int width;
bool trim_x = cell->type == ID($shiftx) || !keepdc;
bool trim_0 = cell->type == ID($shift);
for (width = GetSize(sig_a); width > 1; width--) {
if ((trim_x && sig_a[width-1] == State::Sx) ||
(trim_0 && sig_a[width-1] == State::S0))
continue;
break;
}
if (width < GetSize(sig_a)) {
cover_list("opt.opt_expr.trim", "$shiftx", "$shift", cell->type.str());
sig_a.remove(width, GetSize(sig_a)-width);
cell->setPort(ID::A, sig_a);
cell->setParam(ID(A_WIDTH), width);
did_something = true;
goto next_cell;
}
}
if (cell->type.in(ID($_NOT_), ID($not), ID($logic_not)) && GetSize(cell->getPort(ID::Y)) == 1 &&
invert_map.count(assign_map(cell->getPort(ID::A))) != 0) {
cover_list("opt.opt_expr.invert.double", "$_NOT_", "$not", "$logic_not", cell->type.str());
replace_cell(assign_map, module, cell, "double_invert", ID::Y, invert_map.at(assign_map(cell->getPort(ID::A))));
@ -1142,7 +1164,7 @@ void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bool cons
if (mux_undef && cell->type.in(ID($mux), ID($pmux))) {
RTLIL::SigSpec new_a, new_b, new_s;
int width = cell->getPort(ID::A).size();
int width = GetSize(cell->getPort(ID::A));
if ((cell->getPort(ID::A).is_fully_undef() && cell->getPort(ID::B).is_fully_undef()) ||
cell->getPort(ID(S)).is_fully_undef()) {
cover_list("opt.opt_expr.mux_undef", "$mux", "$pmux", cell->type.str());

2
passes/pmgen/Makefile.inc
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@ -4,7 +4,7 @@
# --------------------------------------
OBJS += passes/pmgen/test_pmgen.o
passes/pmgen/test_pmgen.o: passes/pmgen/test_pmgen_pm.h
passes/pmgen/test_pmgen.o: passes/pmgen/test_pmgen_pm.h passes/pmgen/ice40_dsp_pm.h passes/pmgen/peepopt_pm.h
$(eval $(call add_extra_objs,passes/pmgen/test_pmgen_pm.h))
# --------------------------------------

2
techlibs/anlogic/Makefile.inc
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@ -1,7 +1,7 @@
OBJS += techlibs/anlogic/synth_anlogic.o
OBJS += techlibs/anlogic/anlogic_eqn.o
OBJS += techlibs/anlogic/anlogic_determine_init.o
OBJS += techlibs/anlogic/anlogic_fixcarry.o
$(eval $(call add_share_file,share/anlogic,techlibs/anlogic/cells_map.v))
$(eval $(call add_share_file,share/anlogic,techlibs/anlogic/arith_map.v))

72
techlibs/anlogic/anlogic_determine_init.cc
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@ -1,72 +0,0 @@
/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2018 Icenowy Zheng <icenowy@aosc.io>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "kernel/yosys.h"
#include "kernel/sigtools.h"
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
struct AnlogicDetermineInitPass : public Pass {
AnlogicDetermineInitPass() : Pass("anlogic_determine_init", "Anlogic: Determine the init value of cells") { }
void help() YS_OVERRIDE
{
log("\n");
log(" anlogic_determine_init [selection]\n");
log("\n");
log("Determine the init value of cells that doesn't allow unknown init value.\n");
log("\n");
}
Const determine_init(Const init)
{
for (int i = 0; i < GetSize(init); i++) {
if (init[i] != State::S0 && init[i] != State::S1)
init[i] = State::S0;
}
return init;
}
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
log_header(design, "Executing ANLOGIC_DETERMINE_INIT pass (determine init value for cells).\n");
extra_args(args, args.size(), design);
int cnt = 0;
for (auto module : design->selected_modules())
{
for (auto cell : module->selected_cells())
{
if (cell->type == "\\EG_LOGIC_DRAM16X4")
{
cell->setParam("\\INIT_D0", determine_init(cell->getParam("\\INIT_D0")));
cell->setParam("\\INIT_D1", determine_init(cell->getParam("\\INIT_D1")));
cell->setParam("\\INIT_D2", determine_init(cell->getParam("\\INIT_D2")));
cell->setParam("\\INIT_D3", determine_init(cell->getParam("\\INIT_D3")));
cnt++;
}
}
}
log_header(design, "Updated %d cells with determined init value.\n", cnt);
}
} AnlogicDetermineInitPass;
PRIVATE_NAMESPACE_END

130
techlibs/anlogic/anlogic_fixcarry.cc Normal file
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@ -0,0 +1,130 @@
/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2019 Miodrag Milanovic <miodrag@symbioticeda.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "kernel/yosys.h"
#include "kernel/sigtools.h"
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
static SigBit get_bit_or_zero(const SigSpec &sig)
{
if (GetSize(sig) == 0)
return State::S0;
return sig[0];
}
static void fix_carry_chain(Module *module)
{
SigMap sigmap(module);
pool<SigBit> ci_bits;
dict<SigBit, SigBit> mapping_bits;
for (auto cell : module->cells())
{
if (cell->type == "\\AL_MAP_ADDER") {
if (cell->getParam("\\ALUTYPE") != Const("ADD")) continue;
SigBit bit_i0 = get_bit_or_zero(cell->getPort("\\a"));
SigBit bit_i1 = get_bit_or_zero(cell->getPort("\\b"));
if (bit_i0 == State::S0 && bit_i1== State::S0) {
SigBit bit_ci = get_bit_or_zero(cell->getPort("\\c"));
SigSpec o = cell->getPort("\\o");
if (GetSize(o) == 2) {
SigBit bit_o = o[0];
ci_bits.insert(bit_ci);
mapping_bits[bit_ci] = bit_o;
}
}
}
}
vector<Cell*> adders_to_fix_cells;
for (auto cell : module->cells())
{
if (cell->type == "\\AL_MAP_ADDER") {
if (cell->getParam("\\ALUTYPE") != Const("ADD")) continue;
SigBit bit_ci = get_bit_or_zero(cell->getPort("\\c"));
SigBit bit_i0 = get_bit_or_zero(cell->getPort("\\a"));
SigBit bit_i1 = get_bit_or_zero(cell->getPort("\\b"));
SigBit canonical_bit = sigmap(bit_ci);
if (!ci_bits.count(canonical_bit))
continue;
if (bit_i0 == State::S0 && bit_i1== State::S0)
continue;
adders_to_fix_cells.push_back(cell);
log("Found %s cell named %s with invalid 'c' signal.\n", log_id(cell->type), log_id(cell));
}
}
for (auto cell : adders_to_fix_cells)
{
SigBit bit_ci = get_bit_or_zero(cell->getPort("\\c"));
SigBit canonical_bit = sigmap(bit_ci);
auto bit = mapping_bits.at(canonical_bit);
log("Fixing %s cell named %s breaking carry chain.\n", log_id(cell->type), log_id(cell));
Cell *c = module->addCell(NEW_ID, "\\AL_MAP_ADDER");
SigBit new_bit = module->addWire(NEW_ID);
SigBit dummy_bit = module->addWire(NEW_ID);
SigSpec bits;
bits.append(dummy_bit);
bits.append(new_bit);
c->setParam("\\ALUTYPE", Const("ADD_CARRY"));
c->setPort("\\a", bit);
c->setPort("\\b", State::S0);
c->setPort("\\c", State::S0);
c->setPort("\\o", bits);
cell->setPort("\\c", new_bit);
}
}
struct AnlogicCarryFixPass : public Pass {
AnlogicCarryFixPass() : Pass("anlogic_fixcarry", "Anlogic: fix carry chain") { }
void help() YS_OVERRIDE
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" anlogic_fixcarry [options] [selection]\n");
log("\n");
log("Add Anlogic adders to fix carry chain if needed.\n");
log("\n");
}
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
log_header(design, "Executing anlogic_fixcarry pass (fix invalid carry chain).\n");
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
break;
}
extra_args(args, argidx, design);
Module *module = design->top_module();
if (module == nullptr)
log_cmd_error("No top module found.\n");
fix_carry_chain(module);
}
} AnlogicCarryFixPass;
PRIVATE_NAMESPACE_END

34
techlibs/anlogic/arith_map.v
View File

@ -31,7 +31,10 @@ module _80_anlogic_alu (A, B, CI, BI, X, Y, CO);
output [Y_WIDTH-1:0] X, Y;
input CI, BI;
output CO;
output [Y_WIDTH-1:0] CO;
wire CIx;
wire [Y_WIDTH-1:0] COx;
wire _TECHMAP_FAIL_ = Y_WIDTH <= 2;
@ -41,15 +44,16 @@ module _80_anlogic_alu (A, B, CI, BI, X, Y, CO);
wire [Y_WIDTH-1:0] AA = A_buf;
wire [Y_WIDTH-1:0] BB = BI ? ~B_buf : B_buf;
wire [Y_WIDTH+1:0] COx;
wire [Y_WIDTH+2:0] C = {COx, CI};
wire [Y_WIDTH-1:0] C = { COx, CIx };
wire dummy;
AL_MAP_ADDER #(
.ALUTYPE("ADD_CARRY"))
adder_cin (
.a(C[0]),
.o({COx[0], dummy})
.a(CI),
.b(1'b0),
.c(1'b0),
.o({CIx, dummy})
);
genvar i;
@ -59,18 +63,22 @@ module _80_anlogic_alu (A, B, CI, BI, X, Y, CO);
) adder_i (
.a(AA[i]),
.b(BB[i]),
.c(C[i+1]),
.o({COx[i+1],Y[i]})
.c(C[i]),
.o({COx[i],Y[i]})
);
end: slice
endgenerate
/* End implementation */
wire cout;
AL_MAP_ADDER #(
.ALUTYPE("ADD"))
adder_cout (
.c(C[Y_WIDTH+1]),
.o(COx[Y_WIDTH+1])
.a(1'b0),
.b(1'b0),
.c(COx[i]),
.o({cout, CO[i]})
);
assign CO = COx[Y_WIDTH+1];
end: slice
endgenerate
/* End implementation */
assign X = AA ^ BB;
endmodule

7
techlibs/anlogic/synth_anlogic.cc
View File

@ -154,7 +154,7 @@ struct SynthAnlogicPass : public ScriptPass
{
run("memory_bram -rules +/anlogic/drams.txt");
run("techmap -map +/anlogic/drams_map.v");
run("anlogic_determine_init");
run("setundef -zero -params t:EG_LOGIC_DRAM16X4");
}
if (check_label("fine"))
@ -186,6 +186,11 @@ struct SynthAnlogicPass : public ScriptPass
{
run("techmap -map +/anlogic/cells_map.v");
run("clean");
}
if (check_label("map_anlogic"))
{
run("anlogic_fixcarry");
run("anlogic_eqn");
}

9
techlibs/ecp5/cells_sim.v
View File

@ -17,10 +17,12 @@ endmodule
// ---------------------------------------
(* abc_box_id=1, lib_whitebox *)
module CCU2C(
(* abc_carry *) input CIN,
(* abc_carry *)
input CIN,
input A0, B0, C0, D0, A1, B1, C1, D1,
output S0, S1,
(* abc_carry *) output COUT
(* abc_carry *)
output COUT
);
parameter [15:0] INIT0 = 16'h0000;
parameter [15:0] INIT1 = 16'h0000;
@ -113,7 +115,8 @@ module TRELLIS_DPR16X4 (
input WRE,
input WCK,
input [3:0] RAD,
/* (* abc_arrival=<TODO> *) */ output [3:0] DO
/* (* abc_arrival=<TODO> *) */
output [3:0] DO
);
parameter WCKMUX = "WCK";
parameter WREMUX = "WRE";

10
techlibs/efinix/Makefile.inc Normal file
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@ -0,0 +1,10 @@
OBJS += techlibs/efinix/synth_efinix.o
OBJS += techlibs/efinix/efinix_gbuf.o
OBJS += techlibs/efinix/efinix_fixcarry.o
$(eval $(call add_share_file,share/efinix,techlibs/efinix/cells_map.v))
$(eval $(call add_share_file,share/efinix,techlibs/efinix/arith_map.v))
$(eval $(call add_share_file,share/efinix,techlibs/efinix/cells_sim.v))
$(eval $(call add_share_file,share/efinix,techlibs/efinix/brams_map.v))
$(eval $(call add_share_file,share/efinix,techlibs/efinix/bram.txt))

79
techlibs/efinix/arith_map.v Normal file
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@ -0,0 +1,79 @@
/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2018 Miodrag Milanovic <miodrag@symbioticeda.com>
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
(* techmap_celltype = "$alu" *)
module _80_efinix_alu (A, B, CI, BI, X, Y, CO);
parameter A_SIGNED = 0;
parameter B_SIGNED = 0;
parameter A_WIDTH = 1;
parameter B_WIDTH = 1;
parameter Y_WIDTH = 1;
input [A_WIDTH-1:0] A;
input [B_WIDTH-1:0] B;
output [Y_WIDTH-1:0] X, Y;
input CI, BI;
output [Y_WIDTH-1:0] CO;
wire CIx;
wire [Y_WIDTH-1:0] COx;
wire _TECHMAP_FAIL_ = Y_WIDTH <= 2;
wire [Y_WIDTH-1:0] A_buf, B_buf;
\$pos #(.A_SIGNED(A_SIGNED), .A_WIDTH(A_WIDTH), .Y_WIDTH(Y_WIDTH)) A_conv (.A(A), .Y(A_buf));
\$pos #(.A_SIGNED(B_SIGNED), .A_WIDTH(B_WIDTH), .Y_WIDTH(Y_WIDTH)) B_conv (.A(B), .Y(B_buf));
wire [Y_WIDTH-1:0] AA = A_buf;
wire [Y_WIDTH-1:0] BB = BI ? ~B_buf : B_buf;
wire [Y_WIDTH-1:0] C = { COx, CIx };
EFX_ADD #(.I0_POLARITY(1'b1),.I1_POLARITY(1'b1))
adder_cin (
.I0(CI),
.I1(1'b1),
.CI(1'b0),
.CO(CIx)
);
genvar i;
generate for (i = 0; i < Y_WIDTH; i = i + 1) begin: slice
EFX_ADD #(.I0_POLARITY(1'b1),.I1_POLARITY(1'b1))
adder_i (
.I0(AA[i]),
.I1(BB[i]),
.CI(C[i]),
.O(Y[i]),
.CO(COx[i])
);
EFX_ADD #(.I0_POLARITY(1'b1),.I1_POLARITY(1'b1))
adder_cout (
.I0(1'b0),
.I1(1'b0),
.CI(COx[i]),
.O(CO[i])
);
end: slice
endgenerate
/* End implementation */
assign X = AA ^ BB;
endmodule

32
techlibs/efinix/bram.txt Normal file
View File

@ -0,0 +1,32 @@
bram $__EFINIX_5K
init 1
abits 8 @a8d16
dbits 16 @a8d16
abits 9 @a9d8
dbits 8 @a9d8
abits 10 @a10d4
dbits 4 @a10d4
abits 11 @a11d2
dbits 2 @a11d2
abits 12 @a12d1
dbits 1 @a12d1
abits 8 @a8d20
dbits 20 @a8d20
abits 9 @a9d10
dbits 10 @a9d10
groups 2
ports 1 1
wrmode 1 0
enable 1 1
transp 0 2
clocks 2 3
clkpol 2 3
endbram
match $__EFINIX_5K
min bits 256
min efficiency 5
shuffle_enable B
endmatch

65
techlibs/efinix/brams_map.v Normal file
View File

@ -0,0 +1,65 @@
module \$__EFINIX_5K (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN);
parameter CFG_ABITS = 8;
parameter CFG_DBITS = 20;
parameter CFG_ENABLE_A = 1;
parameter CLKPOL2 = 1;
parameter CLKPOL3 = 1;
parameter [5119:0] INIT = 5119'bx;
parameter TRANSP2 = 0;
input CLK2;
input CLK3;
input [CFG_ABITS-1:0] A1ADDR;
input [CFG_DBITS-1:0] A1DATA;
input [CFG_ENABLE_A-1:0] A1EN;
input [CFG_ABITS-1:0] B1ADDR;
output [CFG_DBITS-1:0] B1DATA;
input B1EN;
localparam WRITEMODE_A = TRANSP2 ? "WRITE_FIRST" : "READ_FIRST";
EFX_RAM_5K #(
.READ_WIDTH(CFG_DBITS),
.WRITE_WIDTH(CFG_DBITS),
.OUTPUT_REG(1'b0),
.RCLK_POLARITY(1'b1),
.RE_POLARITY(1'b1),
.WCLK_POLARITY(1'b1),
.WE_POLARITY(1'b1),
.WCLKE_POLARITY(1'b1),
.WRITE_MODE(WRITEMODE_A),
.INIT_0(INIT[ 0*256 +: 256]),
.INIT_1(INIT[ 1*256 +: 256]),
.INIT_2(INIT[ 2*256 +: 256]),
.INIT_3(INIT[ 3*256 +: 256]),
.INIT_4(INIT[ 4*256 +: 256]),
.INIT_5(INIT[ 5*256 +: 256]),
.INIT_6(INIT[ 6*256 +: 256]),
.INIT_7(INIT[ 7*256 +: 256]),
.INIT_8(INIT[ 8*256 +: 256]),
.INIT_9(INIT[ 9*256 +: 256]),
.INIT_A(INIT[10*256 +: 256]),
.INIT_B(INIT[11*256 +: 256]),
.INIT_C(INIT[12*256 +: 256]),
.INIT_D(INIT[13*256 +: 256]),
.INIT_E(INIT[14*256 +: 256]),
.INIT_F(INIT[15*256 +: 256]),
.INIT_10(INIT[16*256 +: 256]),
.INIT_11(INIT[17*256 +: 256]),
.INIT_12(INIT[18*256 +: 256]),
.INIT_13(INIT[19*256 +: 256])
) _TECHMAP_REPLACE_ (
.WDATA(A1DATA),
.WADDR(A1ADDR),
.WE(A1EN),
.WCLK(CLK2),
.WCLKE(1'b1),
.RDATA(B1DATA),
.RADDR(B1ADDR),
.RE(B1EN),
.RCLK(CLK3)
);
endmodule

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module \$_DFF_N_ (input D, C, output Q); EFX_FF #(.CLK_POLARITY(1'b0), .CE_POLARITY(1'b1), .SR_POLARITY(1'b1), .D_POLARITY(1'b1), .SR_SYNC(1'b1), .SR_VALUE(1'b0), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(1'b1), .CLK(C), .SR(1'b0), .Q(Q)); endmodule
module \$_DFF_P_ (input D, C, output Q); EFX_FF #(.CLK_POLARITY(1'b1), .CE_POLARITY(1'b1), .SR_POLARITY(1'b1), .D_POLARITY(1'b1), .SR_SYNC(1'b1), .SR_VALUE(1'b0), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(1'b1), .CLK(C), .SR(1'b0), .Q(Q)); endmodule
module \$_DFFE_NN_ (input D, C, E, output Q); EFX_FF #(.CLK_POLARITY(1'b0), .CE_POLARITY(1'b0), .SR_POLARITY(1'b1), .D_POLARITY(1'b1), .SR_SYNC(1'b1), .SR_VALUE(1'b0), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(E), .CLK(C), .SR(1'b0), .Q(Q)); endmodule
module \$_DFFE_NP_ (input D, C, E, output Q); EFX_FF #(.CLK_POLARITY(1'b0), .CE_POLARITY(1'b1), .SR_POLARITY(1'b1), .D_POLARITY(1'b1), .SR_SYNC(1'b1), .SR_VALUE(1'b0), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(E), .CLK(C), .SR(1'b0), .Q(Q)); endmodule
module \$_DFFE_PN_ (input D, C, E, output Q); EFX_FF #(.CLK_POLARITY(1'b1), .CE_POLARITY(1'b0), .SR_POLARITY(1'b1), .D_POLARITY(1'b1), .SR_SYNC(1'b1), .SR_VALUE(1'b0), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(E), .CLK(C), .SR(1'b0), .Q(Q)); endmodule
module \$_DFFE_PP_ (input D, C, E, output Q); EFX_FF #(.CLK_POLARITY(1'b1), .CE_POLARITY(1'b1), .SR_POLARITY(1'b1), .D_POLARITY(1'b1), .SR_SYNC(1'b1), .SR_VALUE(1'b0), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(E), .CLK(C), .SR(1'b0), .Q(Q)); endmodule
module \$_DFF_NN0_ (input D, C, R, output Q); EFX_FF #(.CLK_POLARITY(1'b0), .CE_POLARITY(1'b1), .SR_POLARITY(1'b0), .D_POLARITY(1'b1), .SR_SYNC(1'b0), .SR_VALUE(1'b0), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(1'b1), .CLK(C), .SR(R), .Q(Q)); endmodule
module \$_DFF_NN1_ (input D, C, R, output Q); EFX_FF #(.CLK_POLARITY(1'b0), .CE_POLARITY(1'b1), .SR_POLARITY(1'b0), .D_POLARITY(1'b1), .SR_SYNC(1'b0), .SR_VALUE(1'b1), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(1'b1), .CLK(C), .SR(R), .Q(Q)); endmodule
module \$_DFF_PN0_ (input D, C, R, output Q); EFX_FF #(.CLK_POLARITY(1'b1), .CE_POLARITY(1'b1), .SR_POLARITY(1'b0), .D_POLARITY(1'b1), .SR_SYNC(1'b0), .SR_VALUE(1'b0), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(1'b1), .CLK(C), .SR(R), .Q(Q)); endmodule
module \$_DFF_PN1_ (input D, C, R, output Q); EFX_FF #(.CLK_POLARITY(1'b1), .CE_POLARITY(1'b1), .SR_POLARITY(1'b0), .D_POLARITY(1'b1), .SR_SYNC(1'b0), .SR_VALUE(1'b1), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(1'b1), .CLK(C), .SR(R), .Q(Q)); endmodule
module \$_DFF_NP0_ (input D, C, R, output Q); EFX_FF #(.CLK_POLARITY(1'b0), .CE_POLARITY(1'b1), .SR_POLARITY(1'b1), .D_POLARITY(1'b1), .SR_SYNC(1'b0), .SR_VALUE(1'b0), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(1'b1), .CLK(C), .SR(R), .Q(Q)); endmodule
module \$_DFF_NP1_ (input D, C, R, output Q); EFX_FF #(.CLK_POLARITY(1'b0), .CE_POLARITY(1'b1), .SR_POLARITY(1'b1), .D_POLARITY(1'b1), .SR_SYNC(1'b0), .SR_VALUE(1'b1), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(1'b1), .CLK(C), .SR(R), .Q(Q)); endmodule
module \$_DFF_PP0_ (input D, C, R, output Q); EFX_FF #(.CLK_POLARITY(1'b1), .CE_POLARITY(1'b1), .SR_POLARITY(1'b1), .D_POLARITY(1'b1), .SR_SYNC(1'b0), .SR_VALUE(1'b0), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(1'b1), .CLK(C), .SR(R), .Q(Q)); endmodule
module \$_DFF_PP1_ (input D, C, R, output Q); EFX_FF #(.CLK_POLARITY(1'b1), .CE_POLARITY(1'b1), .SR_POLARITY(1'b1), .D_POLARITY(1'b1), .SR_SYNC(1'b0), .SR_VALUE(1'b1), .SR_SYNC_PRIORITY(1'b1)) _TECHMAP_REPLACE_ (.D(D), .CE(1'b1), .CLK(C), .SR(R), .Q(Q)); endmodule
`ifndef NO_LUT
module \$lut (A, Y);
parameter WIDTH = 0;
parameter LUT = 0;
input [WIDTH-1:0] A;
output Y;
generate
if (WIDTH == 1) begin
EFX_LUT4 #(.LUTMASK(LUT)) _TECHMAP_REPLACE_ (.O(Y), .I0(A[0]), .I1(1'b0), .I2(1'b0), .I3(1'b0));
end else
if (WIDTH == 2) begin
EFX_LUT4 #(.LUTMASK(LUT)) _TECHMAP_REPLACE_ (.O(Y), .I0(A[0]), .I1(A[1]), .I2(1'b0), .I3(1'b0));
end else
if (WIDTH == 3) begin
EFX_LUT4 #(.LUTMASK(LUT)) _TECHMAP_REPLACE_ (.O(Y), .I0(A[0]), .I1(A[1]), .I2(A[2]), .I3(1'b0));
end else
if (WIDTH == 4) begin
EFX_LUT4 #(.LUTMASK(LUT)) _TECHMAP_REPLACE_ (.O(Y), .I0(A[0]), .I1(A[1]), .I2(A[2]), .I3(A[3]));
end else begin
wire _TECHMAP_FAIL_ = 1;
end
endgenerate
endmodule
`endif

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module EFX_LUT4(
output O,
input I0,
input I1,
input I2,
input I3
);
parameter LUTMASK = 16'h0000;
endmodule
module EFX_ADD(
output O,
output CO,
input I0,
input I1,
input CI
);
parameter I0_POLARITY = 1;
parameter I1_POLARITY = 1;
endmodule
module EFX_FF(
output Q,
input D,
input CE,
input CLK,
input SR
);
parameter CLK_POLARITY = 1;
parameter CE_POLARITY = 1;
parameter SR_POLARITY = 1;
parameter SR_SYNC = 0;
parameter SR_VALUE = 0;
parameter SR_SYNC_PRIORITY = 0;
parameter D_POLARITY = 1;
endmodule
module EFX_GBUFCE(
input CE,
input I,
output O
);
parameter CE_POLARITY = 1'b1;
endmodule
module EFX_RAM_5K(
input [WRITE_WIDTH-1:0] WDATA,
input [WRITE_ADDR_WIDTH-1:0] WADDR,
input WE,
input WCLK,
input WCLKE,
output [READ_WIDTH-1:0] RDATA,
input [READ_ADDR_WIDTH-1:0] RADDR,
input RE,
input RCLK
);
parameter READ_WIDTH = 20;
parameter WRITE_WIDTH = 20;
parameter OUTPUT_REG = 1'b0;
parameter RCLK_POLARITY = 1'b1;
parameter RE_POLARITY = 1'b1;
parameter WCLK_POLARITY = 1'b1;
parameter WE_POLARITY = 1'b1;
parameter WCLKE_POLARITY = 1'b1;
parameter WRITE_MODE = "READ_FIRST";
parameter INIT_0 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_1 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_2 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_3 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_4 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_5 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_6 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_7 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_8 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_9 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_10 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_11 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_12 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
parameter INIT_13 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
localparam READ_ADDR_WIDTH =
(READ_WIDTH == 16) ? 8 : // 256x16
(READ_WIDTH == 8) ? 9 : // 512x8
(READ_WIDTH == 4) ? 10 : // 1024x4
(READ_WIDTH == 2) ? 11 : // 2048x2
(READ_WIDTH == 1) ? 12 : // 4096x1
(READ_WIDTH == 20) ? 8 : // 256x20
(READ_WIDTH == 10) ? 9 : // 512x10
(READ_WIDTH == 5) ? 10 : -1; // 1024x5
localparam WRITE_ADDR_WIDTH =
(WRITE_WIDTH == 16) ? 8 : // 256x16
(WRITE_WIDTH == 8) ? 9 : // 512x8
(WRITE_WIDTH == 4) ? 10 : // 1024x4
(WRITE_WIDTH == 2) ? 11 : // 2048x2
(WRITE_WIDTH == 1) ? 12 : // 4096x1
(WRITE_WIDTH == 20) ? 8 : // 256x20
(WRITE_WIDTH == 10) ? 9 : // 512x10
(WRITE_WIDTH == 5) ? 10 : -1; // 1024x5
endmodule

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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2019 Miodrag Milanovic <miodrag@symbioticeda.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "kernel/yosys.h"
#include "kernel/sigtools.h"
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
static SigBit get_bit_or_zero(const SigSpec &sig)
{
if (GetSize(sig) == 0)
return State::S0;
return sig[0];
}
static void fix_carry_chain(Module *module)
{
SigMap sigmap(module);
pool<SigBit> ci_bits;
dict<SigBit, SigBit> mapping_bits;
for (auto cell : module->cells())
{
if (cell->type == "\\EFX_ADD") {
SigBit bit_i0 = get_bit_or_zero(cell->getPort("\\I0"));
SigBit bit_i1 = get_bit_or_zero(cell->getPort("\\I1"));
if (bit_i0 == State::S0 && bit_i1== State::S0) {
SigBit bit_ci = get_bit_or_zero(cell->getPort("\\CI"));
SigBit bit_o = sigmap(cell->getPort("\\O"));
ci_bits.insert(bit_ci);
mapping_bits[bit_ci] = bit_o;
}
}
}
vector<Cell*> adders_to_fix_cells;
for (auto cell : module->cells())
{
if (cell->type == "\\EFX_ADD") {
SigBit bit_ci = get_bit_or_zero(cell->getPort("\\CI"));
SigBit bit_i0 = get_bit_or_zero(cell->getPort("\\I0"));
SigBit bit_i1 = get_bit_or_zero(cell->getPort("\\I1"));
SigBit canonical_bit = sigmap(bit_ci);
if (!ci_bits.count(canonical_bit))
continue;
if (bit_i0 == State::S0 && bit_i1== State::S0)
continue;
adders_to_fix_cells.push_back(cell);
log("Found %s cell named %s with invalid CI signal.\n", log_id(cell->type), log_id(cell));
}
}
for (auto cell : adders_to_fix_cells)
{
SigBit bit_ci = get_bit_or_zero(cell->getPort("\\CI"));
SigBit canonical_bit = sigmap(bit_ci);
auto bit = mapping_bits.at(canonical_bit);
log("Fixing %s cell named %s breaking carry chain.\n", log_id(cell->type), log_id(cell));
Cell *c = module->addCell(NEW_ID, "\\EFX_ADD");
SigBit new_bit = module->addWire(NEW_ID);
c->setParam("\\I0_POLARITY", State::S1);
c->setParam("\\I1_POLARITY", State::S1);
c->setPort("\\I0", bit);
c->setPort("\\I1", State::S1);
c->setPort("\\CI", State::S0);
c->setPort("\\CO", new_bit);
cell->setPort("\\CI", new_bit);
}
}
struct EfinixCarryFixPass : public Pass {
EfinixCarryFixPass() : Pass("efinix_fixcarry", "Efinix: fix carry chain") { }
void help() YS_OVERRIDE
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" efinix_fixcarry [options] [selection]\n");
log("\n");
log("Add Efinix adders to fix carry chain if needed.\n");
log("\n");
}
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
log_header(design, "Executing efinix_fixcarry pass (fix invalid carry chain).\n");
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
break;
}
extra_args(args, argidx, design);
Module *module = design->top_module();
if (module == nullptr)
log_cmd_error("No top module found.\n");
fix_carry_chain(module);
}
} EfinixCarryFixPass;
PRIVATE_NAMESPACE_END

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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2019 Miodrag Milanovic <miodrag@symbioticeda.com>
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "kernel/yosys.h"
#include "kernel/sigtools.h"
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
static void handle_gbufs(Module *module)
{
SigMap sigmap(module);
pool<SigBit> clk_bits;
dict<SigBit, SigBit> rewrite_bits;
vector<pair<Cell*, SigBit>> pad_bits;
for (auto cell : module->cells())
{
if (cell->type == "\\EFX_FF") {
for (auto bit : sigmap(cell->getPort("\\CLK")))
clk_bits.insert(bit);
}
if (cell->type == "\\EFX_RAM_5K") {
for (auto bit : sigmap(cell->getPort("\\RCLK")))
clk_bits.insert(bit);
for (auto bit : sigmap(cell->getPort("\\WCLK")))
clk_bits.insert(bit);
}
}
for (auto wire : vector<Wire*>(module->wires()))
{
if (!wire->port_input)
continue;
for (int index = 0; index < GetSize(wire); index++)
{
SigBit bit(wire, index);
SigBit canonical_bit = sigmap(bit);
if (!clk_bits.count(canonical_bit))
continue;
Cell *c = module->addCell(NEW_ID, "\\EFX_GBUFCE");
SigBit new_bit = module->addWire(NEW_ID);
c->setParam("\\CE_POLARITY", State::S1);
c->setPort("\\O", new_bit);
c->setPort("\\CE", State::S1);
pad_bits.push_back(make_pair(c, bit));
rewrite_bits[canonical_bit] = new_bit;
log("Added %s cell %s for port bit %s.\n", log_id(c->type), log_id(c), log_signal(bit));
}
}
auto rewrite_function = [&](SigSpec &s) {
for (auto &bit : s) {
SigBit canonical_bit = sigmap(bit);
if (rewrite_bits.count(canonical_bit))
bit = rewrite_bits.at(canonical_bit);
}
};
module->rewrite_sigspecs(rewrite_function);
for (auto &it : pad_bits)
it.first->setPort("\\I", it.second);
}
struct EfinixGbufPass : public Pass {
EfinixGbufPass() : Pass("efinix_gbuf", "Efinix: insert global clock buffers") { }
void help() YS_OVERRIDE
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" efinix_gbuf [options] [selection]\n");
log("\n");
log("Add Efinix global clock buffers to top module as needed.\n");
log("\n");
}
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
log_header(design, "Executing efinix_gbuf pass (insert global clock buffers).\n");
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
break;
}
extra_args(args, argidx, design);
Module *module = design->top_module();
if (module == nullptr)
log_cmd_error("No top module found.\n");
handle_gbufs(module);
}
} EfinixGbufPass;
PRIVATE_NAMESPACE_END

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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2019 Miodrag Milanovic <miodrag@symbioticeda.com>
* Copyright (C) 2019 Clifford Wolf <clifford@clifford.at>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "kernel/register.h"
#include "kernel/celltypes.h"
#include "kernel/rtlil.h"
#include "kernel/log.h"
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
struct SynthEfinixPass : public ScriptPass
{
SynthEfinixPass() : ScriptPass("synth_efinix", "synthesis for Efinix FPGAs") { }
void help() YS_OVERRIDE
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" synth_efinix [options]\n");
log("\n");
log("This command runs synthesis for Efinix FPGAs.\n");
log("\n");
log(" -top <module>\n");
log(" use the specified module as top module\n");
log("\n");
log(" -edif <file>\n");
log(" write the design to the specified EDIF file. writing of an output file\n");
log(" is omitted if this parameter is not specified.\n");
log("\n");
log(" -json <file>\n");
log(" write the design to the specified JSON file. writing of an output file\n");
log(" is omitted if this parameter is not specified.\n");
log("\n");
log(" -run <from_label>:<to_label>\n");
log(" only run the commands between the labels (see below). an empty\n");
log(" from label is synonymous to 'begin', and empty to label is\n");
log(" synonymous to the end of the command list.\n");
log("\n");
log(" -noflatten\n");
log(" do not flatten design before synthesis\n");
log("\n");
log(" -retime\n");
log(" run 'abc' with -dff option\n");
log("\n");
log("\n");
log("The following commands are executed by this synthesis command:\n");
help_script();
log("\n");
}
string top_opt, edif_file, json_file;
bool flatten, retime;
void clear_flags() YS_OVERRIDE
{
top_opt = "-auto-top";
edif_file = "";
json_file = "";
flatten = true;
retime = false;
}
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
string run_from, run_to;
clear_flags();
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
if (args[argidx] == "-top" && argidx+1 < args.size()) {
top_opt = "-top " + args[++argidx];
continue;
}
if (args[argidx] == "-edif" && argidx+1 < args.size()) {
edif_file = args[++argidx];
continue;
}
if (args[argidx] == "-json" && argidx+1 < args.size()) {
json_file = args[++argidx];
continue;
}
if (args[argidx] == "-run" && argidx+1 < args.size()) {
size_t pos = args[argidx+1].find(':');
if (pos == std::string::npos)
break;
run_from = args[++argidx].substr(0, pos);
run_to = args[argidx].substr(pos+1);
continue;
}
if (args[argidx] == "-noflatten") {
flatten = false;
continue;
}
if (args[argidx] == "-retime") {
retime = true;
continue;
}
break;
}
extra_args(args, argidx, design);
if (!design->full_selection())
log_cmd_error("This command only operates on fully selected designs!\n");
log_header(design, "Executing SYNTH_EFINIX pass.\n");
log_push();
run_script(design, run_from, run_to);
log_pop();
}
void script() YS_OVERRIDE
{
if (check_label("begin"))
{
run("read_verilog -lib +/efinix/cells_sim.v");
run(stringf("hierarchy -check %s", help_mode ? "-top <top>" : top_opt.c_str()));
}
if (flatten && check_label("flatten", "(unless -noflatten)"))
{
run("proc");
run("flatten");
run("tribuf -logic");
run("deminout");
}
if (check_label("coarse"))
{
run("synth -run coarse");
}
if (check_label("map_bram", "(skip if -nobram)"))
{
run("memory_bram -rules +/efinix/bram.txt");
run("techmap -map +/efinix/brams_map.v");
run("setundef -zero -params t:EFX_RAM_5K");
}
if (check_label("fine"))
{
run("opt -fast -mux_undef -undriven -fine");
run("memory_map");
run("opt -undriven -fine");
run("techmap -map +/techmap.v -map +/efinix/arith_map.v");
if (retime || help_mode)
run("abc -dff", "(only if -retime)");
}
if (check_label("map_ffs"))
{
run("dffsr2dff");
run("techmap -D NO_LUT -map +/efinix/cells_map.v");
run("dffinit -strinit SET RESET -ff AL_MAP_SEQ q REGSET -noreinit");
run("opt_expr -mux_undef");
run("simplemap");
}
if (check_label("map_luts"))
{
run("abc -lut 4");
run("clean");
}
if (check_label("map_cells"))
{
run("techmap -map +/efinix/cells_map.v");
run("clean");
}
if (check_label("map_gbuf"))
{
run("efinix_gbuf");
run("efinix_fixcarry");
run("clean");
}
if (check_label("check"))
{
run("hierarchy -check");
run("stat");
run("check -noinit");
}
if (check_label("edif"))
{
if (!edif_file.empty() || help_mode)
run(stringf("write_edif %s", help_mode ? "<file-name>" : edif_file.c_str()));
}
if (check_label("json"))
{
if (!json_file.empty() || help_mode)
run(stringf("write_json %s", help_mode ? "<file-name>" : json_file.c_str()));
}
}
} SynthEfinixPass;
PRIVATE_NAMESPACE_END

6
techlibs/ice40/cells_sim.v
View File

@ -143,11 +143,13 @@ endmodule
(* abc_box_id = 1, lib_whitebox *)
module \$__ICE40_FULL_ADDER (
(* abc_carry *) output CO,
(* abc_carry *)
output CO,
output O,
input A,
input B,
(* abc_carry *) input CI
(* abc_carry *)
input CI
);
SB_CARRY carry (
.I0(A),

15
techlibs/xilinx/cells_sim.v
View File

@ -175,9 +175,11 @@ endmodule
(* abc_box_id = 4, lib_whitebox *)
module CARRY4(
(* abc_carry *) output [3:0] CO,
(* abc_carry *)
output [3:0] CO,
output [3:0] O,
(* abc_carry *) input CI,
(* abc_carry *)
input CI,
input CYINIT,
input [3:0] DI, S
);
@ -299,7 +301,8 @@ endmodule
module RAM32X1D (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
(* abc_arrival=1153 *) output DPO, SPO,
(* abc_arrival=1153 *)
output DPO, SPO,
input D,
input WCLK,
input WE,
@ -319,7 +322,8 @@ endmodule
module RAM64X1D (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
(* abc_arrival=1153 *) output DPO, SPO,
(* abc_arrival=1153 *)
output DPO, SPO,
input D,
input WCLK,
input WE,
@ -339,7 +343,8 @@ endmodule
module RAM128X1D (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
(* abc_arrival=1153 *) output DPO, SPO,
(* abc_arrival=1153 *)
output DPO, SPO,
input D,
input WCLK,
input WE,

70
tests/opt/opt_expr.ys
View File

@ -221,3 +221,73 @@ check
equiv_opt opt_expr -fine
design -load postopt
select -assert-count 1 t:$alu r:A_WIDTH=8 r:B_WIDTH=8 r:Y_WIDTH=9 %i %i %i
###########
design -reset
read_verilog -icells <<EOT
module opt_expr_shiftx_1bit(input [2:0] a, input [1:0] b, output y);
\$shiftx #(.A_SIGNED(0), .B_SIGNED(0), .A_WIDTH(4), .B_WIDTH(2), .Y_WIDTH(1)) shiftx (.A({1'bx,a}), .B(b), .Y(y));
endmodule
EOT
check
equiv_opt opt_expr
design -load postopt
select -assert-count 1 t:$shiftx r:A_WIDTH=3 %i
###########
design -reset
read_verilog -icells <<EOT
module opt_expr_shiftx_3bit(input [9:0] a, input [3:0] b, output [2:0] y);
\$shiftx #(.A_SIGNED(0), .B_SIGNED(0), .A_WIDTH(14), .B_WIDTH(4), .Y_WIDTH(3)) shiftx (.A({4'bxx00,a}), .B(b), .Y(y));
endmodule
EOT
check
equiv_opt opt_expr
design -load postopt
select -assert-count 1 t:$shiftx r:A_WIDTH=12 %i
###########
design -reset
read_verilog -icells <<EOT
module opt_expr_shift_1bit(input [2:0] a, input [1:0] b, output y);
\$shift #(.A_SIGNED(0), .B_SIGNED(0), .A_WIDTH(4), .B_WIDTH(2), .Y_WIDTH(1)) shift (.A({1'b0,a}), .B(b), .Y(y));
endmodule
EOT
check
equiv_opt opt_expr
design -load postopt
select -assert-count 1 t:$shift r:A_WIDTH=3 %i
###########
design -reset
read_verilog -icells <<EOT
module opt_expr_shift_3bit(input [9:0] a, input [3:0] b, output [2:0] y);
\$shift #(.A_SIGNED(0), .B_SIGNED(0), .A_WIDTH(14), .B_WIDTH(4), .Y_WIDTH(3)) shift (.A({4'b0x0x,a}), .B(b), .Y(y));
endmodule
EOT
check
equiv_opt opt_expr
design -load postopt
select -assert-count 1 t:$shift r:A_WIDTH=10 %i
###########
design -reset
read_verilog -icells <<EOT
module opt_expr_shift_3bit_keepdc(input [9:0] a, input [3:0] b, output [2:0] y);
\$shift #(.A_SIGNED(0), .B_SIGNED(0), .A_WIDTH(14), .B_WIDTH(4), .Y_WIDTH(3)) shift (.A({4'b0x0x,a}), .B(b), .Y(y));
endmodule
EOT
check
equiv_opt opt_expr -keepdc
design -load postopt
select -assert-count 1 t:$shift r:A_WIDTH=13 %i

14
tests/various/mem2reg.ys Normal file
View File

@ -0,0 +1,14 @@
read_verilog <<EOT
module top;
parameter DATADEPTH=2;
parameter DATAWIDTH=1;
(* keep, nomem2reg *) reg [DATAWIDTH-1:0] data1 [DATADEPTH-1:0];
(* keep, mem2reg *) reg [DATAWIDTH-1:0] data2 [DATADEPTH-1:0];
endmodule
EOT
proc
cd top
select -assert-count 1 m:data1 a:src=<<EOT:4 %i
select -assert-count 2 w:data2[*] a:src=<<EOT:5 %i
select -assert-none a:mem2reg