aboutsummaryrefslogtreecommitdiffstats
path: root/passes
diff options
context:
space:
mode:
Diffstat (limited to 'passes')
-rw-r--r--passes/cmds/stat.cc5
-rw-r--r--passes/opt/opt_expr.cc35
-rw-r--r--passes/opt/pmux2shiftx.cc6
-rw-r--r--passes/opt/wreduce.cc26
-rw-r--r--passes/sat/qbfsat.cc229
-rw-r--r--passes/techmap/dff2dffe.cc40
-rw-r--r--passes/techmap/dff2dffs.cc18
-rw-r--r--passes/techmap/simplemap.cc141
-rw-r--r--passes/techmap/zinit.cc58
9 files changed, 405 insertions, 153 deletions
diff --git a/passes/cmds/stat.cc b/passes/cmds/stat.cc
index 6f2c2243e..ed51fdc24 100644
--- a/passes/cmds/stat.cc
+++ b/passes/cmds/stat.cc
@@ -117,7 +117,10 @@ struct statdata_t
}
else if (cell_type.in(ID($mux), ID($pmux)))
cell_type = stringf("%s_%d", cell_type.c_str(), GetSize(cell->getPort(ID::Y)));
- else if (cell_type.in(ID($sr), ID($dff), ID($dffsr), ID($adff), ID($dlatch), ID($dlatchsr)))
+ else if (cell_type.in(
+ ID($sr), ID($ff), ID($dff), ID($dffe), ID($dffsr), ID($dffsre),
+ ID($adff), ID($adffe), ID($sdff), ID($sdffe), ID($sdffce),
+ ID($dlatch), ID($adlatch), ID($dlatchsr)))
cell_type = stringf("%s_%d", cell_type.c_str(), GetSize(cell->getPort(ID::Q)));
}
diff --git a/passes/opt/opt_expr.cc b/passes/opt/opt_expr.cc
index 5c224d4bb..1051a59f2 100644
--- a/passes/opt/opt_expr.cc
+++ b/passes/opt/opt_expr.cc
@@ -467,15 +467,21 @@ void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bool cons
if (clkinv)
{
- if (cell->type.in(ID($dff), ID($dffe), ID($dffsr), ID($adff), ID($fsm), ID($memrd), ID($memwr)))
+ if (cell->type.in(ID($dff), ID($dffe), ID($dffsr), ID($dffsre), ID($adff), ID($adffe), ID($sdff), ID($sdffe), ID($sdffce), ID($fsm), ID($memrd), ID($memwr)))
handle_polarity_inv(cell, ID::CLK, ID::CLK_POLARITY, assign_map, invert_map);
- if (cell->type.in(ID($sr), ID($dffsr), ID($dlatchsr))) {
+ if (cell->type.in(ID($sr), ID($dffsr), ID($dffsre), ID($dlatchsr))) {
handle_polarity_inv(cell, ID::SET, ID::SET_POLARITY, assign_map, invert_map);
handle_polarity_inv(cell, ID::CLR, ID::CLR_POLARITY, assign_map, invert_map);
}
- if (cell->type.in(ID($dffe), ID($dlatch), ID($dlatchsr)))
+ if (cell->type.in(ID($adff), ID($adffe), ID($adlatch)))
+ handle_polarity_inv(cell, ID::ARST, ID::ARST_POLARITY, assign_map, invert_map);
+
+ if (cell->type.in(ID($sdff), ID($sdffe), ID($sdffce)))
+ handle_polarity_inv(cell, ID::SRST, ID::SRST_POLARITY, assign_map, invert_map);
+
+ if (cell->type.in(ID($dffe), ID($adffe), ID($sdffe), ID($sdffce), ID($dffsre), ID($dlatch), ID($adlatch), ID($dlatchsr)))
handle_polarity_inv(cell, ID::EN, ID::EN_POLARITY, assign_map, invert_map);
handle_clkpol_celltype_swap(cell, "$_SR_N?_", "$_SR_P?_", ID::S, assign_map, invert_map);
@@ -489,12 +495,35 @@ void replace_const_cells(RTLIL::Design *design, RTLIL::Module *module, bool cons
handle_clkpol_celltype_swap(cell, "$_DFF_N??_", "$_DFF_P??_", ID::C, assign_map, invert_map);
handle_clkpol_celltype_swap(cell, "$_DFF_?N?_", "$_DFF_?P?_", ID::R, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_DFFE_N???_", "$_DFFE_P???_", ID::C, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_DFFE_?N??_", "$_DFFE_?P??_", ID::R, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_DFFE_???N_", "$_DFFE_???P_", ID::E, assign_map, invert_map);
+
+ handle_clkpol_celltype_swap(cell, "$_SDFF_N??_", "$_SDFF_P??_", ID::C, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_SDFF_?N?_", "$_SDFF_?P?_", ID::R, assign_map, invert_map);
+
+ handle_clkpol_celltype_swap(cell, "$_SDFFE_N???_", "$_SDFFE_P???_", ID::C, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_SDFFE_?N??_", "$_SDFFE_?P??_", ID::R, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_SDFFE_???N_", "$_SDFFE_???P_", ID::E, assign_map, invert_map);
+
+ handle_clkpol_celltype_swap(cell, "$_SDFFCE_N???_", "$_SDFFCE_P???_", ID::C, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_SDFFCE_?N??_", "$_SDFFCE_?P??_", ID::R, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_SDFFCE_???N_", "$_SDFFCE_???P_", ID::E, assign_map, invert_map);
+
handle_clkpol_celltype_swap(cell, "$_DFFSR_N??_", "$_DFFSR_P??_", ID::C, assign_map, invert_map);
handle_clkpol_celltype_swap(cell, "$_DFFSR_?N?_", "$_DFFSR_?P?_", ID::S, assign_map, invert_map);
handle_clkpol_celltype_swap(cell, "$_DFFSR_??N_", "$_DFFSR_??P_", ID::R, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_DFFSRE_N???_", "$_DFFSRE_P???_", ID::C, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_DFFSRE_?N??_", "$_DFFSRE_?P??_", ID::S, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_DFFSRE_??N?_", "$_DFFSRE_??P?_", ID::R, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_DFFSRE_???N_", "$_DFFSRE_???P_", ID::E, assign_map, invert_map);
+
handle_clkpol_celltype_swap(cell, "$_DLATCH_N_", "$_DLATCH_P_", ID::E, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_DLATCH_N??_", "$_DLATCH_P??_", ID::E, assign_map, invert_map);
+ handle_clkpol_celltype_swap(cell, "$_DLATCH_?N?_", "$_DLATCH_?P?_", ID::R, assign_map, invert_map);
+
handle_clkpol_celltype_swap(cell, "$_DLATCHSR_N??_", "$_DLATCHSR_P??_", ID::E, assign_map, invert_map);
handle_clkpol_celltype_swap(cell, "$_DLATCHSR_?N?_", "$_DLATCHSR_?P?_", ID::S, assign_map, invert_map);
handle_clkpol_celltype_swap(cell, "$_DLATCHSR_??N_", "$_DLATCHSR_??P_", ID::R, assign_map, invert_map);
diff --git a/passes/opt/pmux2shiftx.cc b/passes/opt/pmux2shiftx.cc
index 9a00f84b9..9f226e12d 100644
--- a/passes/opt/pmux2shiftx.cc
+++ b/passes/opt/pmux2shiftx.cc
@@ -63,11 +63,13 @@ struct OnehotDatabase
vector<SigSpec> inputs;
SigSpec output;
- if (cell->type.in(ID($adff), ID($dff), ID($dffe), ID($dlatch), ID($ff)))
+ if (cell->type.in(ID($adff), ID($adffe), ID($dff), ID($dffe), ID($sdff), ID($sdffe), ID($sdffce), ID($dlatch), ID($adlatch), ID($ff)))
{
output = cell->getPort(ID::Q);
- if (cell->type == ID($adff))
+ if (cell->type.in(ID($adff), ID($adffe), ID($adlatch)))
inputs.push_back(cell->getParam(ID::ARST_VALUE));
+ if (cell->type.in(ID($sdff), ID($sdffe), ID($sdffce)))
+ inputs.push_back(cell->getParam(ID::SRST_VALUE));
inputs.push_back(cell->getPort(ID::D));
}
diff --git a/passes/opt/wreduce.cc b/passes/opt/wreduce.cc
index 8ce2fd478..78e2bcbea 100644
--- a/passes/opt/wreduce.cc
+++ b/passes/opt/wreduce.cc
@@ -39,7 +39,8 @@ struct WreduceConfig
ID($lt), ID($le), ID($eq), ID($ne), ID($eqx), ID($nex), ID($ge), ID($gt),
ID($add), ID($sub), ID($mul), // ID($div), ID($mod), ID($divfloor), ID($modfloor), ID($pow),
ID($mux), ID($pmux),
- ID($dff), ID($adff)
+ ID($dff), ID($dffe), ID($adff), ID($adffe), ID($sdff), ID($sdffe), ID($sdffce),
+ ID($dlatch), ID($adlatch),
});
}
};
@@ -143,8 +144,8 @@ struct WreduceWorker
SigSpec sig_d = mi.sigmap(cell->getPort(ID::D));
SigSpec sig_q = mi.sigmap(cell->getPort(ID::Q));
- bool is_adff = (cell->type == ID($adff));
- Const initval, arst_value;
+ bool has_reset = false;
+ Const initval, rst_value;
int width_before = GetSize(sig_q);
@@ -152,7 +153,11 @@ struct WreduceWorker
return;
if (cell->parameters.count(ID::ARST_VALUE)) {
- arst_value = cell->parameters[ID::ARST_VALUE];
+ rst_value = cell->parameters[ID::ARST_VALUE];
+ has_reset = true;
+ } else if (cell->parameters.count(ID::SRST_VALUE)) {
+ rst_value = cell->parameters[ID::SRST_VALUE];
+ has_reset = true;
}
bool zero_ext = sig_d[GetSize(sig_d)-1] == State::S0;
@@ -169,7 +174,7 @@ struct WreduceWorker
for (int i = GetSize(sig_q)-1; i >= 0; i--)
{
if (zero_ext && sig_d[i] == State::S0 && (initval[i] == State::S0 || initval[i] == State::Sx) &&
- (!is_adff || i >= GetSize(arst_value) || arst_value[i] == State::S0 || arst_value[i] == State::Sx)) {
+ (!has_reset || i >= GetSize(rst_value) || rst_value[i] == State::S0 || rst_value[i] == State::Sx)) {
module->connect(sig_q[i], State::S0);
remove_init_bits.insert(sig_q[i]);
sig_d.remove(i);
@@ -178,7 +183,7 @@ struct WreduceWorker
}
if (sign_ext && i > 0 && sig_d[i] == sig_d[i-1] && initval[i] == initval[i-1] &&
- (!is_adff || i >= GetSize(arst_value) || arst_value[i] == arst_value[i-1])) {
+ (!has_reset || i >= GetSize(rst_value) || rst_value[i] == rst_value[i-1])) {
module->connect(sig_q[i], sig_q[i-1]);
remove_init_bits.insert(sig_q[i]);
sig_d.remove(i);
@@ -221,8 +226,11 @@ struct WreduceWorker
// Narrow ARST_VALUE parameter to new size.
if (cell->parameters.count(ID::ARST_VALUE)) {
- arst_value.bits.resize(GetSize(sig_q));
- cell->setParam(ID::ARST_VALUE, arst_value);
+ rst_value.bits.resize(GetSize(sig_q));
+ cell->setParam(ID::ARST_VALUE, rst_value);
+ } else if (cell->parameters.count(ID::SRST_VALUE)) {
+ rst_value.bits.resize(GetSize(sig_q));
+ cell->setParam(ID::SRST_VALUE, rst_value);
}
cell->setPort(ID::D, sig_d);
@@ -272,7 +280,7 @@ struct WreduceWorker
if (cell->type.in(ID($mux), ID($pmux)))
return run_cell_mux(cell);
- if (cell->type.in(ID($dff), ID($adff)))
+ if (cell->type.in(ID($dff), ID($dffe), ID($adff), ID($adffe), ID($sdff), ID($sdffe), ID($sdffce), ID($dlatch), ID($adlatch)))
return run_cell_dff(cell);
SigSpec sig = mi.sigmap(cell->getPort(ID::Y));
diff --git a/passes/sat/qbfsat.cc b/passes/sat/qbfsat.cc
index 4686e985b..f4624ab3b 100644
--- a/passes/sat/qbfsat.cc
+++ b/passes/sat/qbfsat.cc
@@ -24,17 +24,26 @@
#include "kernel/rtlil.h"
#include "kernel/register.h"
#include <algorithm>
+#include <numeric>
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
+static inline unsigned int difference(unsigned int a, unsigned int b) {
+ if (a < b)
+ return b - a;
+ else
+ return a - b;
+}
+
struct QbfSolutionType {
std::vector<std::string> stdout_lines;
- dict<std::string, std::string> hole_to_value;
+ dict<pool<std::string>, std::string> hole_to_value;
+ double solver_time;
bool sat;
bool unknown; //true if neither 'sat' nor 'unsat'
- QbfSolutionType() : sat(false), unknown(true) {}
+ QbfSolutionType() : solver_time(0.0), sat(false), unknown(true) {}
};
struct QbfSolveOptions {
@@ -91,7 +100,9 @@ void recover_solution(QbfSolutionType &sol) {
log_assert(YS_REGEX_NS::regex_search(loc, hole_loc_regex));
log_assert(YS_REGEX_NS::regex_search(val, hole_val_regex));
#endif
- sol.hole_to_value[loc] = val;
+ auto locs = split_tokens(loc, "|");
+ pool<std::string> loc_pool(locs.begin(), locs.end());
+ sol.hole_to_value[loc_pool] = val;
}
else if (YS_REGEX_NS::regex_search(x, sat_regex)) {
sat_regex_found = true;
@@ -134,18 +145,20 @@ void recover_solution(QbfSolutionType &sol) {
#endif
}
-dict<std::string, std::string> get_hole_loc_name_map(RTLIL::Module *module, const QbfSolutionType &sol) {
- dict<std::string, std::string> hole_loc_to_name;
+dict<std::pair<pool<std::string>, int>, RTLIL::SigBit> get_hole_loc_idx_sigbit_map(RTLIL::Module *module, const QbfSolutionType &sol) {
+ dict<std::pair<pool<std::string>, int>, RTLIL::SigBit> hole_loc_idx_to_sigbit;
for (auto cell : module->cells()) {
- std::string cell_src = cell->get_src_attribute();
+ pool<std::string> cell_src = cell->get_strpool_attribute(ID::src);
auto pos = sol.hole_to_value.find(cell_src);
if (pos != sol.hole_to_value.end() && cell->type.in("$anyconst", "$anyseq")) {
- log_assert(hole_loc_to_name.find(pos->first) == hole_loc_to_name.end());
- hole_loc_to_name[pos->first] = cell->getPort(ID::Y).as_wire()->name.str();
+ RTLIL::SigSpec port_y = cell->getPort(ID::Y);
+ for (int i = GetSize(port_y) - 1; i >= 0; --i) {
+ hole_loc_idx_to_sigbit[std::make_pair(pos->first, i)] = port_y[i];
+ }
}
}
- return hole_loc_to_name;
+ return hole_loc_idx_to_sigbit;
}
pool<std::string> validate_design_and_get_inputs(RTLIL::Module *module, const QbfSolveOptions &opt) {
@@ -187,113 +200,146 @@ void write_solution(RTLIL::Module *module, const QbfSolutionType &sol, const std
if (!fout)
log_cmd_error("could not open solution file for writing.\n");
- dict<std::string, std::string> hole_loc_to_name = get_hole_loc_name_map(module, sol);
- for(auto &x : sol.hole_to_value)
- fout << hole_loc_to_name[x.first] << "=" << x.second << std::endl;
+ //There is a question here: How exactly shall we identify holes?
+ //There are at least two reasonable options:
+ //1. By the source location of the $anyconst cells
+ //2. By the name(s) of the wire(s) connected to each SigBit of the $anyconst cell->getPort(ID::Y) SigSpec.
+ //
+ //Option 1 has the benefit of being very precise. There is very limited potential for confusion, as long
+ //as the source attribute has been set. However, if the source attribute is not set, this won't work.
+ //More importantly, we want to have the ability to port hole assignments to other modules with compatible
+ //hole names and widths. Obviously in those cases source locations of the $anyconst cells will not match.
+ //
+ //Option 2 has the benefits previously described, but wire names can be changed automatically by
+ //optimization or techmapping passes, especially when (ex/im)porting from BLIF for optimization with ABC.
+ //
+ //The approach taken here is to allow both options. We write the assignment information for each bit of
+ //the solution on a separate line. Each line is of one of two forms:
+ //
+ //location bit name = value
+ //location bit name [offset] = value
+ //
+ //where '[', ']', and '=' are literal symbols, "location" is the $anyconst cell source location attribute,
+ //"bit" is the index of the $anyconst cell, "name" is the `wire->name` field of the SigBit corresponding
+ //to the current bit of the $anyconst cell->getPort(ID::Y), "offset" is the `offset` field of that same
+ //SigBit, and "value", which is either '0' or '1', represents the assignment for that bit.
+ dict<std::pair<pool<std::string>, int>, RTLIL::SigBit> hole_loc_idx_to_sigbit = get_hole_loc_idx_sigbit_map(module, sol);
+ for (auto &x : sol.hole_to_value) {
+ std::string src_as_str = std::accumulate(x.first.begin(), x.first.end(), std::string(), [](const std::string &a, const std::string &b){return a + "|" + b;});
+ for (auto i = 0; i < GetSize(x.second); ++i)
+ fout << src_as_str.c_str() << " " << i << " " << log_signal(hole_loc_idx_to_sigbit[std::make_pair(x.first, i)]) << " = " << x.second[GetSize(x.second) - 1 - i] << std::endl;
+ }
}
void specialize_from_file(RTLIL::Module *module, const std::string &file) {
- YS_REGEX_TYPE hole_assn_regex = YS_REGEX_COMPILE_WITH_SUBS("^(.*)=([01]+)$");
- YS_REGEX_MATCH_TYPE m;
- pool<RTLIL::Cell *> anyconsts_to_remove;
- dict<std::string, std::string> hole_name_to_value;
+ YS_REGEX_TYPE hole_bit_assn_regex = YS_REGEX_COMPILE_WITH_SUBS("^(.+) ([0-9]+) ([^ ]+) \\[([0-9]+)] = ([01])$");
+ YS_REGEX_TYPE hole_assn_regex = YS_REGEX_COMPILE_WITH_SUBS("^(.+) ([0-9]+) ([^ ]+) = ([01])$"); //if no index specified
+ YS_REGEX_MATCH_TYPE bit_m, m;
+ //(hole_loc, hole_bit, hole_name, hole_offset) -> (value, found)
+ dict<pool<std::string>, RTLIL::Cell*> anyconst_loc_to_cell;
+ dict<RTLIL::SigBit, RTLIL::State> hole_assignments;
+
+ for (auto cell : module->cells())
+ if (cell->type == "$anyconst")
+ anyconst_loc_to_cell[cell->get_strpool_attribute(ID::src)] = cell;
+
std::ifstream fin(file.c_str());
if (!fin)
log_cmd_error("could not read solution file.\n");
std::string buf;
while (std::getline(fin, buf)) {
- log_assert(YS_REGEX_NS::regex_search(buf, m, hole_assn_regex));
- std::string hole_name = m[1].str();
- std::string hole_value = m[2].str();
- hole_name_to_value[hole_name] = hole_value;
+ bool bit_assn = true;
+ if (!YS_REGEX_NS::regex_search(buf, bit_m, hole_bit_assn_regex)) {
+ bit_assn = false;
+ if (!YS_REGEX_NS::regex_search(buf, m, hole_assn_regex))
+ log_cmd_error("solution file is not formatted correctly: \"%s\"\n", buf.c_str());
+ }
+
+ std::string hole_loc = bit_assn? bit_m[1].str() : m[1].str();
+ unsigned int hole_bit = bit_assn? atoi(bit_m[2].str().c_str()) : atoi(m[2].str().c_str());
+ std::string hole_name = bit_assn? bit_m[3].str() : m[3].str();
+ unsigned int hole_offset = bit_assn? atoi(bit_m[4].str().c_str()) : 0;
+ RTLIL::State hole_value = bit_assn? (atoi(bit_m[5].str().c_str()) == 1? RTLIL::State::S1 : RTLIL::State::S0)
+ : (atoi(m[4].str().c_str()) == 1? RTLIL::State::S1 : RTLIL::State::S0);
+
+ //We have two options to identify holes. First, try to match wire names. If we can't find a matching wire,
+ //then try to find a cell with a matching location.
+ RTLIL::SigBit hole_sigbit;
+ if (module->wire(hole_name) != nullptr) {
+ RTLIL::Wire *hole_wire = module->wire(hole_name);
+ hole_sigbit = RTLIL::SigSpec(hole_wire)[hole_offset];
+ } else {
+ auto locs = split_tokens(hole_loc, "|");
+ pool<std::string> hole_loc_pool(locs.begin(), locs.end());
+ auto hole_cell_it = anyconst_loc_to_cell.find(hole_loc_pool);
+ if (hole_cell_it == anyconst_loc_to_cell.end())
+ YS_DEBUGTRAP;
+ //log_cmd_error("cannot find matching wire name or $anyconst cell location for hole spec \"%s\"\n", buf.c_str());
+
+ RTLIL::Cell *hole_cell = hole_cell_it->second;
+ hole_sigbit = hole_cell->getPort(ID::Y)[hole_bit];
+ }
+ hole_assignments[hole_sigbit] = hole_value;
}
- for (auto cell : module->cells())
- if (cell->type == "$anyconst") {
- auto anyconst_port_y = cell->getPort(ID::Y).as_wire();
- if (anyconst_port_y == nullptr)
- continue;
- if (hole_name_to_value.find(anyconst_port_y->name.str()) != hole_name_to_value.end())
- anyconsts_to_remove.insert(cell);
- }
- for (auto cell : anyconsts_to_remove)
- module->remove(cell);
+ for (auto &it : anyconst_loc_to_cell)
+ module->remove(it.second);
- for (auto &it : hole_name_to_value) {
- std::string hole_name = it.first;
- std::string hole_value = it.second;
- RTLIL::Wire *wire = module->wire(hole_name);
-#ifndef NDEBUG
- log_assert(wire != nullptr);
- log_assert(wire->width > 0 && GetSize(hole_value) == wire->width);
-#endif
-
- log("Specializing %s from file with %s = %d'b%s.\n", module->name.c_str(), hole_name.c_str(), wire->width, hole_value.c_str());
- std::vector<RTLIL::SigBit> value_bv;
- value_bv.reserve(wire->width);
- for (char c : hole_value)
- value_bv.emplace_back(c == '1'? RTLIL::S1 : RTLIL::S0);
- std::reverse(value_bv.begin(), value_bv.end());
- module->connect(wire, value_bv);
+ for (auto &it : hole_assignments) {
+ RTLIL::SigSpec lhs(it.first);
+ RTLIL::SigSpec rhs(it.second);
+ log("Specializing %s from file with %s = %d.\n", module->name.c_str(), log_signal(it.first), it.second == RTLIL::State::S1? 1 : 0);
+ module->connect(lhs, rhs);
}
}
void specialize(RTLIL::Module *module, const QbfSolutionType &sol, bool quiet = false) {
- dict<std::string, std::string> hole_loc_to_name = get_hole_loc_name_map(module, sol);
+ dict<std::pair<pool<std::string>, int>, RTLIL::SigBit> hole_loc_idx_to_sigbit = get_hole_loc_idx_sigbit_map(module, sol);
pool<RTLIL::Cell *> anyconsts_to_remove;
for (auto cell : module->cells())
if (cell->type == "$anyconst")
- if (hole_loc_to_name.find(cell->get_src_attribute()) != hole_loc_to_name.end())
+ if (hole_loc_idx_to_sigbit.find(std::make_pair(cell->get_strpool_attribute(ID::src), 0)) != hole_loc_idx_to_sigbit.end())
anyconsts_to_remove.insert(cell);
for (auto cell : anyconsts_to_remove)
module->remove(cell);
for (auto &it : sol.hole_to_value) {
- std::string hole_loc = it.first;
+ pool<std::string> hole_loc = it.first;
std::string hole_value = it.second;
-#ifndef NDEBUG
- auto pos = hole_loc_to_name.find(hole_loc);
- log_assert(pos != hole_loc_to_name.end());
-#endif
-
- std::string hole_name = hole_loc_to_name[hole_loc];
- RTLIL::Wire *wire = module->wire(hole_name);
-#ifndef NDEBUG
- log_assert(wire != nullptr);
- log_assert(wire->width > 0 && GetSize(hole_value) == wire->width);
-#endif
-
- if (!quiet)
- log("Specializing %s with %s = %d'b%s.\n", module->name.c_str(), hole_name.c_str(), wire->width, hole_value.c_str());
- std::vector<RTLIL::SigBit> value_bv;
- value_bv.reserve(wire->width);
- for (char c : hole_value)
- value_bv.emplace_back(c == '1'? RTLIL::S1 : RTLIL::S0);
- std::reverse(value_bv.begin(), value_bv.end());
- module->connect(wire, value_bv);
+ for (unsigned int i = 0; i < hole_value.size(); ++i) {
+ int bit_idx = GetSize(hole_value) - 1 - i;
+ auto it = hole_loc_idx_to_sigbit.find(std::make_pair(hole_loc, i));
+ log_assert(it != hole_loc_idx_to_sigbit.end());
+
+ RTLIL::SigBit hole_sigbit = it->second;
+ log_assert(hole_sigbit.wire != nullptr);
+ log_assert(hole_value[bit_idx] == '0' || hole_value[bit_idx] == '1');
+ RTLIL::SigSpec lhs(hole_sigbit.wire, hole_sigbit.offset, 1);
+ RTLIL::State hole_bit_val = hole_value[bit_idx] == '1'? RTLIL::State::S1 : RTLIL::State::S0;
+ if (!quiet)
+ log("Specializing %s with %s = %d.\n", module->name.c_str(), log_signal(hole_sigbit), hole_bit_val == RTLIL::State::S0? 0 : 1)
+;
+ module->connect(lhs, hole_bit_val);
+ }
}
}
void dump_model(RTLIL::Module *module, const QbfSolutionType &sol) {
log("Satisfiable model:\n");
- dict<std::string, std::string> hole_loc_to_name = get_hole_loc_name_map(module, sol);
+ dict<std::pair<pool<std::string>, int>, RTLIL::SigBit> hole_loc_idx_to_sigbit = get_hole_loc_idx_sigbit_map(module, sol);
for (auto &it : sol.hole_to_value) {
- std::string hole_loc = it.first;
+ pool<std::string> hole_loc = it.first;
std::string hole_value = it.second;
-#ifndef NDEBUG
- auto pos = hole_loc_to_name.find(hole_loc);
- log_assert(pos != hole_loc_to_name.end());
-#endif
+ for (unsigned int i = 0; i < hole_value.size(); ++i) {
+ int bit_idx = GetSize(hole_value) - 1 - i;
+ auto it = hole_loc_idx_to_sigbit.find(std::make_pair(hole_loc, i));
+ log_assert(it != hole_loc_idx_to_sigbit.end());
- std::string hole_name = hole_loc_to_name[hole_loc];
- log("\t%s = %lu'b%s\n", hole_name.c_str(), hole_value.size(), hole_value.c_str());
- std::vector<RTLIL::SigBit> value_bv;
- value_bv.reserve(hole_value.size());
- for (char c : hole_value)
- value_bv.emplace_back(c == '1'? RTLIL::S1 : RTLIL::S0);
- std::reverse(value_bv.begin(), value_bv.end());
+ RTLIL::SigBit hole_sigbit = it->second;
+ log("\t%s = 1'b%c\n", log_signal(hole_sigbit), hole_value[bit_idx]);
+ }
}
}
@@ -376,7 +422,11 @@ QbfSolutionType call_qbf_solver(RTLIL::Module *mod, const QbfSolveOptions &opt,
};
log_header(mod->design, "Solving QBF-SAT problem.\n");
if (!quiet) log("Launching \"%s\".\n", smtbmc_cmd.c_str());
+ int64_t begin = PerformanceTimer::query();
run_command(smtbmc_cmd, process_line);
+ int64_t end = PerformanceTimer::query();
+ ret.solver_time = (end - begin) / 1e9f;
+ if (!quiet) log("Solver finished in %.3f seconds.\n", ret.solver_time);
recover_solution(ret);
return ret;
@@ -410,7 +460,7 @@ QbfSolutionType qbf_solve(RTLIL::Module *mod, const QbfSolveOptions &opt) {
maximize = wire_to_optimize->get_bool_attribute("\\maximize");
}
- if (opt.nobisection || opt.nooptimize) {
+ if (opt.nobisection || opt.nooptimize || wire_to_optimize == nullptr) {
if (wire_to_optimize != nullptr && opt.nooptimize) {
wire_to_optimize->set_bool_attribute("\\maximize", false);
wire_to_optimize->set_bool_attribute("\\minimize", false);
@@ -427,7 +477,7 @@ QbfSolutionType qbf_solve(RTLIL::Module *mod, const QbfSolveOptions &opt) {
log("%s wire \"%s\".\n", (maximize? "Maximizing" : "Minimizing"), log_signal(wire_to_optimize));
//If maximizing, grow until we get a failure. Then bisect success and failure.
- while (failure == 0 || success - failure > 1) {
+ while (failure == 0 || difference(success, failure) > 1) {
Pass::call(design, "design -push-copy");
log_header(design, "Preparing QBF-SAT problem.\n");
@@ -465,8 +515,9 @@ QbfSolutionType qbf_solve(RTLIL::Module *mod, const QbfSolveOptions &opt) {
//sometimes this happens if we get an 'unknown' or timeout
if (!maximize && success < failure)
break;
- else if (maximize && success > failure)
+ else if (maximize && failure != 0 && success > failure)
break;
+
} else {
//Treat 'unknown' as UNSAT
failure = cur_thresh;
@@ -479,8 +530,12 @@ QbfSolutionType qbf_solve(RTLIL::Module *mod, const QbfSolveOptions &opt) {
}
iter_num++;
- cur_thresh = (maximize && failure == 0)? 2 * success //growth
- : (success + failure) / 2; //bisection
+ if (maximize && failure == 0 && success == 0)
+ cur_thresh = 2;
+ else if (maximize && failure == 0)
+ cur_thresh = 2 * success; //growth
+ else //if (!maximize || failure != 0)
+ cur_thresh = (success + failure) / 2; //bisection
}
if (success != 0 || failure != 0) {
log("Wire %s is %s at %d.\n", wire_to_optimize_name.c_str(), (maximize? "maximized" : "minimized"), success);
diff --git a/passes/techmap/dff2dffe.cc b/passes/techmap/dff2dffe.cc
index 36e2854c0..62ee3fea6 100644
--- a/passes/techmap/dff2dffe.cc
+++ b/passes/techmap/dff2dffe.cc
@@ -282,9 +282,9 @@ struct Dff2dffePass : public Pass {
log("\n");
log(" -direct-match <pattern>\n");
log(" like -direct for all DFF cell types matching the expression.\n");
- log(" this will use $__DFFE_* as <external_gate_type> matching the\n");
- log(" internal gate type $_DFF_*_, and $__DFFSE_* for those matching\n");
- log(" $_DFFS_*_, except for $_DFF_[NP]_, which is converted to \n");
+ log(" this will use $_DFFE_* as <external_gate_type> matching the\n");
+ log(" internal gate type $_DFF_*_, and $_SDFFE_* for those matching\n");
+ log(" $_SDFF_*_, except for $_DFF_[NP]_, which is converted to \n");
log(" $_DFFE_[NP]_.\n");
log("\n");
}
@@ -318,23 +318,23 @@ struct Dff2dffePass : public Pass {
const char *pattern = args[++argidx].c_str();
if (patmatch(pattern, "$_DFF_P_" )) found_match = true, direct_dict[ID($_DFF_P_) ] = ID($_DFFE_PP_);
if (patmatch(pattern, "$_DFF_N_" )) found_match = true, direct_dict[ID($_DFF_N_) ] = ID($_DFFE_NP_);
- if (patmatch(pattern, "$_DFF_NN0_")) found_match = true, direct_dict[ID($_DFF_NN0_)] = ID($__DFFE_NN0);
- if (patmatch(pattern, "$_DFF_NN1_")) found_match = true, direct_dict[ID($_DFF_NN1_)] = ID($__DFFE_NN1);
- if (patmatch(pattern, "$_DFF_NP0_")) found_match = true, direct_dict[ID($_DFF_NP0_)] = ID($__DFFE_NP0);
- if (patmatch(pattern, "$_DFF_NP1_")) found_match = true, direct_dict[ID($_DFF_NP1_)] = ID($__DFFE_NP1);
- if (patmatch(pattern, "$_DFF_PN0_")) found_match = true, direct_dict[ID($_DFF_PN0_)] = ID($__DFFE_PN0);
- if (patmatch(pattern, "$_DFF_PN1_")) found_match = true, direct_dict[ID($_DFF_PN1_)] = ID($__DFFE_PN1);
- if (patmatch(pattern, "$_DFF_PP0_")) found_match = true, direct_dict[ID($_DFF_PP0_)] = ID($__DFFE_PP0);
- if (patmatch(pattern, "$_DFF_PP1_")) found_match = true, direct_dict[ID($_DFF_PP1_)] = ID($__DFFE_PP1);
-
- if (patmatch(pattern, "$__DFFS_NN0_")) found_match = true, direct_dict[ID($__DFFS_NN0_)] = ID($__DFFSE_NN0);
- if (patmatch(pattern, "$__DFFS_NN1_")) found_match = true, direct_dict[ID($__DFFS_NN1_)] = ID($__DFFSE_NN1);
- if (patmatch(pattern, "$__DFFS_NP0_")) found_match = true, direct_dict[ID($__DFFS_NP0_)] = ID($__DFFSE_NP0);
- if (patmatch(pattern, "$__DFFS_NP1_")) found_match = true, direct_dict[ID($__DFFS_NP1_)] = ID($__DFFSE_NP1);
- if (patmatch(pattern, "$__DFFS_PN0_")) found_match = true, direct_dict[ID($__DFFS_PN0_)] = ID($__DFFSE_PN0);
- if (patmatch(pattern, "$__DFFS_PN1_")) found_match = true, direct_dict[ID($__DFFS_PN1_)] = ID($__DFFSE_PN1);
- if (patmatch(pattern, "$__DFFS_PP0_")) found_match = true, direct_dict[ID($__DFFS_PP0_)] = ID($__DFFSE_PP0);
- if (patmatch(pattern, "$__DFFS_PP1_")) found_match = true, direct_dict[ID($__DFFS_PP1_)] = ID($__DFFSE_PP1);
+ if (patmatch(pattern, "$_DFF_NN0_")) found_match = true, direct_dict[ID($_DFF_NN0_)] = ID($_DFFE_NN0P_);
+ if (patmatch(pattern, "$_DFF_NN1_")) found_match = true, direct_dict[ID($_DFF_NN1_)] = ID($_DFFE_NN1P_);
+ if (patmatch(pattern, "$_DFF_NP0_")) found_match = true, direct_dict[ID($_DFF_NP0_)] = ID($_DFFE_NP0P_);
+ if (patmatch(pattern, "$_DFF_NP1_")) found_match = true, direct_dict[ID($_DFF_NP1_)] = ID($_DFFE_NP1P_);
+ if (patmatch(pattern, "$_DFF_PN0_")) found_match = true, direct_dict[ID($_DFF_PN0_)] = ID($_DFFE_PN0P_);
+ if (patmatch(pattern, "$_DFF_PN1_")) found_match = true, direct_dict[ID($_DFF_PN1_)] = ID($_DFFE_PN1P_);
+ if (patmatch(pattern, "$_DFF_PP0_")) found_match = true, direct_dict[ID($_DFF_PP0_)] = ID($_DFFE_PP0P_);
+ if (patmatch(pattern, "$_DFF_PP1_")) found_match = true, direct_dict[ID($_DFF_PP1_)] = ID($_DFFE_PP1P_);
+
+ if (patmatch(pattern, "$_SDFF_NN0_")) found_match = true, direct_dict[ID($_SDFF_NN0_)] = ID($_SDFFE_NN0P_);
+ if (patmatch(pattern, "$_SDFF_NN1_")) found_match = true, direct_dict[ID($_SDFF_NN1_)] = ID($_SDFFE_NN1P_);
+ if (patmatch(pattern, "$_SDFF_NP0_")) found_match = true, direct_dict[ID($_SDFF_NP0_)] = ID($_SDFFE_NP0P_);
+ if (patmatch(pattern, "$_SDFF_NP1_")) found_match = true, direct_dict[ID($_SDFF_NP1_)] = ID($_SDFFE_NP1P_);
+ if (patmatch(pattern, "$_SDFF_PN0_")) found_match = true, direct_dict[ID($_SDFF_PN0_)] = ID($_SDFFE_PN0P_);
+ if (patmatch(pattern, "$_SDFF_PN1_")) found_match = true, direct_dict[ID($_SDFF_PN1_)] = ID($_SDFFE_PN1P_);
+ if (patmatch(pattern, "$_SDFF_PP0_")) found_match = true, direct_dict[ID($_SDFF_PP0_)] = ID($_SDFFE_PP0P_);
+ if (patmatch(pattern, "$_SDFF_PP1_")) found_match = true, direct_dict[ID($_SDFF_PP1_)] = ID($_SDFFE_PP1P_);
if (!found_match)
log_cmd_error("No cell types matched pattern '%s'.\n", pattern);
continue;
diff --git a/passes/techmap/dff2dffs.cc b/passes/techmap/dff2dffs.cc
index 1cb923445..6c2cca4bc 100644
--- a/passes/techmap/dff2dffs.cc
+++ b/passes/techmap/dff2dffs.cc
@@ -31,7 +31,7 @@ struct Dff2dffsPass : public Pass {
log("\n");
log(" dff2dffs [options] [selection]\n");
log("\n");
- log("Merge synchronous set/reset $_MUX_ cells to create $__DFFS_[NP][NP][01], to be run before\n");
+ log("Merge synchronous set/reset $_MUX_ cells to create $_SDFF_[NP][NP][01]_, to be run before\n");
log("dff2dffe for SR over CE priority.\n");
log("\n");
log(" -match-init\n");
@@ -138,21 +138,21 @@ struct Dff2dffsPass : public Pass {
if (sr_val == State::S1) {
if (cell->type == ID($_DFF_N_)) {
- if (invert_sr) cell->type = ID($__DFFS_NN1_);
- else cell->type = ID($__DFFS_NP1_);
+ if (invert_sr) cell->type = ID($_SDFF_NN1_);
+ else cell->type = ID($_SDFF_NP1_);
} else {
log_assert(cell->type == ID($_DFF_P_));
- if (invert_sr) cell->type = ID($__DFFS_PN1_);
- else cell->type = ID($__DFFS_PP1_);
+ if (invert_sr) cell->type = ID($_SDFF_PN1_);
+ else cell->type = ID($_SDFF_PP1_);
}
} else {
if (cell->type == ID($_DFF_N_)) {
- if (invert_sr) cell->type = ID($__DFFS_NN0_);
- else cell->type = ID($__DFFS_NP0_);
+ if (invert_sr) cell->type = ID($_SDFF_NN0_);
+ else cell->type = ID($_SDFF_NP0_);
} else {
log_assert(cell->type == ID($_DFF_P_));
- if (invert_sr) cell->type = ID($__DFFS_PN0_);
- else cell->type = ID($__DFFS_PP0_);
+ if (invert_sr) cell->type = ID($_SDFF_PN0_);
+ else cell->type = ID($_SDFF_PP0_);
}
}
cell->setPort(ID::R, sr_sig);
diff --git a/passes/techmap/simplemap.cc b/passes/techmap/simplemap.cc
index 3c78fbdbf..b9d337da4 100644
--- a/passes/techmap/simplemap.cc
+++ b/passes/techmap/simplemap.cc
@@ -474,29 +474,93 @@ void simplemap_dffsr(RTLIL::Module *module, RTLIL::Cell *cell)
}
}
-void simplemap_adff(RTLIL::Module *module, RTLIL::Cell *cell)
+void simplemap_dffsre(RTLIL::Module *module, RTLIL::Cell *cell)
{
int width = cell->parameters.at(ID::WIDTH).as_int();
char clk_pol = cell->parameters.at(ID::CLK_POLARITY).as_bool() ? 'P' : 'N';
- char rst_pol = cell->parameters.at(ID::ARST_POLARITY).as_bool() ? 'P' : 'N';
+ char set_pol = cell->parameters.at(ID::SET_POLARITY).as_bool() ? 'P' : 'N';
+ char clr_pol = cell->parameters.at(ID::CLR_POLARITY).as_bool() ? 'P' : 'N';
+ char en_pol = cell->parameters.at(ID::EN_POLARITY).as_bool() ? 'P' : 'N';
- std::vector<RTLIL::State> rst_val = cell->parameters.at(ID::ARST_VALUE).bits;
+ RTLIL::SigSpec sig_clk = cell->getPort(ID::CLK);
+ RTLIL::SigSpec sig_s = cell->getPort(ID::SET);
+ RTLIL::SigSpec sig_r = cell->getPort(ID::CLR);
+ RTLIL::SigSpec sig_e = cell->getPort(ID::EN);
+ RTLIL::SigSpec sig_d = cell->getPort(ID::D);
+ RTLIL::SigSpec sig_q = cell->getPort(ID::Q);
+
+ IdString gate_type = stringf("$_DFFSRE_%c%c%c%c_", clk_pol, set_pol, clr_pol, en_pol);
+
+ for (int i = 0; i < width; i++) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type);
+ gate->add_strpool_attribute(ID::src, cell->get_strpool_attribute(ID::src));
+ gate->setPort(ID::C, sig_clk);
+ gate->setPort(ID::S, sig_s[i]);
+ gate->setPort(ID::R, sig_r[i]);
+ gate->setPort(ID::E, sig_e);
+ gate->setPort(ID::D, sig_d[i]);
+ gate->setPort(ID::Q, sig_q[i]);
+ }
+}
+
+void simplemap_adff_sdff(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+ int width = cell->parameters.at(ID::WIDTH).as_int();
+ bool is_async = cell->type == ID($adff);
+ char clk_pol = cell->parameters.at(ID::CLK_POLARITY).as_bool() ? 'P' : 'N';
+ char rst_pol = cell->parameters.at(is_async ? ID::ARST_POLARITY : ID::SRST_POLARITY).as_bool() ? 'P' : 'N';
+ const char *type = is_async ? "DFF" : "SDFF";
+
+ std::vector<RTLIL::State> rst_val = cell->parameters.at(is_async ? ID::ARST_VALUE : ID::SRST_VALUE).bits;
while (int(rst_val.size()) < width)
rst_val.push_back(RTLIL::State::S0);
RTLIL::SigSpec sig_clk = cell->getPort(ID::CLK);
- RTLIL::SigSpec sig_rst = cell->getPort(ID::ARST);
+ RTLIL::SigSpec sig_rst = cell->getPort(is_async ? ID::ARST : ID::SRST);
+ RTLIL::SigSpec sig_d = cell->getPort(ID::D);
+ RTLIL::SigSpec sig_q = cell->getPort(ID::Q);
+
+ IdString gate_type_0 = stringf("$_%s_%c%c0_", type, clk_pol, rst_pol);
+ IdString gate_type_1 = stringf("$_%s_%c%c1_", type, clk_pol, rst_pol);
+
+ for (int i = 0; i < width; i++) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, rst_val.at(i) == RTLIL::State::S1 ? gate_type_1 : gate_type_0);
+ gate->add_strpool_attribute(ID::src, cell->get_strpool_attribute(ID::src));
+ gate->setPort(ID::C, sig_clk);
+ gate->setPort(ID::R, sig_rst);
+ gate->setPort(ID::D, sig_d[i]);
+ gate->setPort(ID::Q, sig_q[i]);
+ }
+}
+
+void simplemap_adffe_sdffe_sdffce(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+ int width = cell->parameters.at(ID::WIDTH).as_int();
+ bool is_async = cell->type == ID($adffe);
+ char clk_pol = cell->parameters.at(ID::CLK_POLARITY).as_bool() ? 'P' : 'N';
+ char rst_pol = cell->parameters.at(is_async ? ID::ARST_POLARITY : ID::SRST_POLARITY).as_bool() ? 'P' : 'N';
+ char en_pol = cell->parameters.at(ID::EN_POLARITY).as_bool() ? 'P' : 'N';
+ const char *type = is_async ? "DFFE" : cell->type == ID($sdffe) ? "SDFFE" : "SDFFCE";
+
+ std::vector<RTLIL::State> rst_val = cell->parameters.at(is_async ? ID::ARST_VALUE : ID::SRST_VALUE).bits;
+ while (int(rst_val.size()) < width)
+ rst_val.push_back(RTLIL::State::S0);
+
+ RTLIL::SigSpec sig_clk = cell->getPort(ID::CLK);
+ RTLIL::SigSpec sig_rst = cell->getPort(is_async ? ID::ARST : ID::SRST);
+ RTLIL::SigSpec sig_e = cell->getPort(ID::EN);
RTLIL::SigSpec sig_d = cell->getPort(ID::D);
RTLIL::SigSpec sig_q = cell->getPort(ID::Q);
- IdString gate_type_0 = stringf("$_DFF_%c%c0_", clk_pol, rst_pol);
- IdString gate_type_1 = stringf("$_DFF_%c%c1_", clk_pol, rst_pol);
+ IdString gate_type_0 = stringf("$_%s_%c%c0%c_", type, clk_pol, rst_pol, en_pol);
+ IdString gate_type_1 = stringf("$_%s_%c%c1%c_", type, clk_pol, rst_pol, en_pol);
for (int i = 0; i < width; i++) {
RTLIL::Cell *gate = module->addCell(NEW_ID, rst_val.at(i) == RTLIL::State::S1 ? gate_type_1 : gate_type_0);
gate->add_strpool_attribute(ID::src, cell->get_strpool_attribute(ID::src));
gate->setPort(ID::C, sig_clk);
gate->setPort(ID::R, sig_rst);
+ gate->setPort(ID::E, sig_e);
gate->setPort(ID::D, sig_d[i]);
gate->setPort(ID::Q, sig_q[i]);
}
@@ -522,6 +586,60 @@ void simplemap_dlatch(RTLIL::Module *module, RTLIL::Cell *cell)
}
}
+void simplemap_adlatch(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+ int width = cell->parameters.at(ID::WIDTH).as_int();
+ char en_pol = cell->parameters.at(ID::EN_POLARITY).as_bool() ? 'P' : 'N';
+ char rst_pol = cell->parameters.at(ID::ARST_POLARITY).as_bool() ? 'P' : 'N';
+
+ std::vector<RTLIL::State> rst_val = cell->parameters.at(ID::ARST_VALUE).bits;
+ while (int(rst_val.size()) < width)
+ rst_val.push_back(RTLIL::State::S0);
+
+ RTLIL::SigSpec sig_en = cell->getPort(ID::EN);
+ RTLIL::SigSpec sig_rst = cell->getPort(ID::ARST);
+ RTLIL::SigSpec sig_d = cell->getPort(ID::D);
+ RTLIL::SigSpec sig_q = cell->getPort(ID::Q);
+
+ IdString gate_type_0 = stringf("$_DLATCH_%c%c0_", en_pol, rst_pol);
+ IdString gate_type_1 = stringf("$_DLATCH_%c%c1_", en_pol, rst_pol);
+
+ for (int i = 0; i < width; i++) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, rst_val.at(i) == RTLIL::State::S1 ? gate_type_1 : gate_type_0);
+ gate->add_strpool_attribute(ID::src, cell->get_strpool_attribute(ID::src));
+ gate->setPort(ID::E, sig_en);
+ gate->setPort(ID::R, sig_rst);
+ gate->setPort(ID::D, sig_d[i]);
+ gate->setPort(ID::Q, sig_q[i]);
+ }
+}
+
+void simplemap_dlatchsr(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+ int width = cell->parameters.at(ID::WIDTH).as_int();
+ char en_pol = cell->parameters.at(ID::EN_POLARITY).as_bool() ? 'P' : 'N';
+ char set_pol = cell->parameters.at(ID::SET_POLARITY).as_bool() ? 'P' : 'N';
+ char clr_pol = cell->parameters.at(ID::CLR_POLARITY).as_bool() ? 'P' : 'N';
+
+ RTLIL::SigSpec sig_en = cell->getPort(ID::EN);
+ RTLIL::SigSpec sig_s = cell->getPort(ID::SET);
+ RTLIL::SigSpec sig_r = cell->getPort(ID::CLR);
+ RTLIL::SigSpec sig_d = cell->getPort(ID::D);
+ RTLIL::SigSpec sig_q = cell->getPort(ID::Q);
+
+ IdString gate_type = stringf("$_DLATCHSR_%c%c%c_", en_pol, set_pol, clr_pol);
+
+ for (int i = 0; i < width; i++) {
+ RTLIL::Cell *gate = module->addCell(NEW_ID, gate_type);
+ gate->add_strpool_attribute(ID::src, cell->get_strpool_attribute(ID::src));
+ gate->setPort(ID::E, sig_en);
+ gate->setPort(ID::S, sig_s[i]);
+ gate->setPort(ID::R, sig_r[i]);
+ gate->setPort(ID::D, sig_d[i]);
+ gate->setPort(ID::Q, sig_q[i]);
+ }
+}
+
void simplemap_get_mappers(dict<IdString, void(*)(RTLIL::Module*, RTLIL::Cell*)> &mappers)
{
mappers[ID($not)] = simplemap_not;
@@ -553,8 +671,15 @@ void simplemap_get_mappers(dict<IdString, void(*)(RTLIL::Module*, RTLIL::Cell*)>
mappers[ID($dff)] = simplemap_dff;
mappers[ID($dffe)] = simplemap_dffe;
mappers[ID($dffsr)] = simplemap_dffsr;
- mappers[ID($adff)] = simplemap_adff;
+ mappers[ID($dffsre)] = simplemap_dffsre;
+ mappers[ID($adff)] = simplemap_adff_sdff;
+ mappers[ID($sdff)] = simplemap_adff_sdff;
+ mappers[ID($adffe)] = simplemap_adffe_sdffe_sdffce;
+ mappers[ID($sdffe)] = simplemap_adffe_sdffe_sdffce;
+ mappers[ID($sdffce)] = simplemap_adffe_sdffe_sdffce;
mappers[ID($dlatch)] = simplemap_dlatch;
+ mappers[ID($adlatch)] = simplemap_adlatch;
+ mappers[ID($dlatchsr)] = simplemap_dlatchsr;
}
void simplemap(RTLIL::Module *module, RTLIL::Cell *cell)
@@ -587,7 +712,7 @@ struct SimplemapPass : public Pass {
log(" $not, $pos, $and, $or, $xor, $xnor\n");
log(" $reduce_and, $reduce_or, $reduce_xor, $reduce_xnor, $reduce_bool\n");
log(" $logic_not, $logic_and, $logic_or, $mux, $tribuf\n");
- log(" $sr, $ff, $dff, $dffsr, $adff, $dlatch\n");
+ log(" $sr, $ff, $dff, $dffe, $dffsr, $dffsre, $adff, $adffe, $sdff, $sdffe, $sdffce, $dlatch, $adlatch, $dlatchsr\n");
log("\n");
}
void execute(std::vector<std::string> args, RTLIL::Design *design) override
diff --git a/passes/techmap/zinit.cc b/passes/techmap/zinit.cc
index c0faa1f31..cc0b26bcc 100644
--- a/passes/techmap/zinit.cc
+++ b/passes/techmap/zinit.cc
@@ -91,20 +91,29 @@ struct ZinitPass : public Pass {
// FIXME: It would appear that supporting
// $dffsr/$_DFFSR_* would require a new
// cell type where S has priority over R
- ID($ff), ID($dff), ID($dffe), /*ID($dffsr),*/ ID($adff),
+ ID($ff), ID($dff), ID($dffe), /*ID($dffsr),*/ ID($adff), ID($adffe),
+ ID($sdff), ID($sdffe), ID($sdffce),
ID($_FF_), ID($_DFFE_NN_), ID($_DFFE_NP_), ID($_DFFE_PN_), ID($_DFFE_PP_),
/*ID($_DFFSR_NNN_), ID($_DFFSR_NNP_), ID($_DFFSR_NPN_), ID($_DFFSR_NPP_),
ID($_DFFSR_PNN_), ID($_DFFSR_PNP_), ID($_DFFSR_PPN_), ID($_DFFSR_PPP_),*/
ID($_DFF_N_), ID($_DFF_NN0_), ID($_DFF_NN1_), ID($_DFF_NP0_), ID($_DFF_NP1_),
ID($_DFF_P_), ID($_DFF_PN0_), ID($_DFF_PN1_), ID($_DFF_PP0_), ID($_DFF_PP1_),
// Async set/reset
- ID($__DFFE_NN0), ID($__DFFE_NN1), ID($__DFFE_NP0), ID($__DFFE_NP1),
- ID($__DFFE_PN0), ID($__DFFE_PN1), ID($__DFFE_PP0), ID($__DFFE_PP1),
+ ID($_DFFE_NN0P_), ID($_DFFE_NN1P_), ID($_DFFE_NP0P_), ID($_DFFE_NP1P_),
+ ID($_DFFE_PN0P_), ID($_DFFE_PN1P_), ID($_DFFE_PP0P_), ID($_DFFE_PP1P_),
+ ID($_DFFE_NN0N_), ID($_DFFE_NN1N_), ID($_DFFE_NP0N_), ID($_DFFE_NP1N_),
+ ID($_DFFE_PN0N_), ID($_DFFE_PN1N_), ID($_DFFE_PP0N_), ID($_DFFE_PP1N_),
// Sync set/reset
- ID($__DFFS_NN0_), ID($__DFFS_NN1_), ID($__DFFS_NP0_), ID($__DFFS_NP1_),
- ID($__DFFS_PN0_), ID($__DFFS_PN1_), ID($__DFFS_PP0_), ID($__DFFS_PP1_),
- ID($__DFFSE_NN0), ID($__DFFSE_NN1), ID($__DFFSE_NP0), ID($__DFFSE_NP1),
- ID($__DFFSE_PN0), ID($__DFFSE_PN1), ID($__DFFSE_PP0), ID($__DFFSE_PP1)
+ ID($_SDFF_NN0_), ID($_SDFF_NN1_), ID($_SDFF_NP0_), ID($_SDFF_NP1_),
+ ID($_SDFF_PN0_), ID($_SDFF_PN1_), ID($_SDFF_PP0_), ID($_SDFF_PP1_),
+ ID($_SDFFE_NN0P_), ID($_SDFFE_NN1P_), ID($_SDFFE_NP0P_), ID($_SDFFE_NP1P_),
+ ID($_SDFFE_PN0P_), ID($_SDFFE_PN1P_), ID($_SDFFE_PP0P_), ID($_SDFFE_PP1P_),
+ ID($_SDFFE_NN0N_), ID($_SDFFE_NN1N_), ID($_SDFFE_NP0N_), ID($_SDFFE_NP1N_),
+ ID($_SDFFE_PN0N_), ID($_SDFFE_PN1N_), ID($_SDFFE_PP0N_), ID($_SDFFE_PP1N_),
+ ID($_SDFFCE_NN0P_), ID($_SDFFCE_NN1P_), ID($_SDFFCE_NP0P_), ID($_SDFFCE_NP1P_),
+ ID($_SDFFCE_PN0P_), ID($_SDFFCE_PN1P_), ID($_SDFFCE_PP0P_), ID($_SDFFCE_PP1P_),
+ ID($_SDFFCE_NN0N_), ID($_SDFFCE_NN1N_), ID($_SDFFCE_NP0N_), ID($_SDFFCE_NP1N_),
+ ID($_SDFFCE_PN0N_), ID($_SDFFCE_PN1N_), ID($_SDFFCE_PP0N_), ID($_SDFFCE_PP1N_)
};
for (auto cell : module->selected_cells())
@@ -151,13 +160,20 @@ struct ZinitPass : public Pass {
cell->setPort(ID::D, sig_d);
cell->setPort(ID::Q, initwire);
- if (cell->type == ID($adff)) {
+ if (cell->type.in(ID($adff), ID($adffe))) {
auto val = cell->getParam(ID::ARST_VALUE);
for (int i = 0; i < GetSize(initwire); i++)
if (initval[i] == State::S1)
val[i] = (val[i] == State::S1 ? State::S0 : State::S1);
cell->setParam(ID::ARST_VALUE, std::move(val));
}
+ else if (cell->type.in(ID($sdff), ID($sdffe), ID($sdffce))) {
+ auto val = cell->getParam(ID::SRST_VALUE);
+ for (int i = 0; i < GetSize(initwire); i++)
+ if (initval[i] == State::S1)
+ val[i] = (val[i] == State::S1 ? State::S0 : State::S1);
+ cell->setParam(ID::SRST_VALUE, std::move(val));
+ }
else if (initval == State::S1) {
std::string t = cell->type.str();
if (cell->type.in(ID($_DFF_NN0_), ID($_DFF_NN1_), ID($_DFF_NP0_), ID($_DFF_NP1_),
@@ -165,15 +181,29 @@ struct ZinitPass : public Pass {
{
t[8] = (t[8] == '0' ? '1' : '0');
}
- else if (cell->type.in(ID($__DFFE_NN0), ID($__DFFE_NN1), ID($__DFFE_NP0), ID($__DFFE_NP1),
- ID($__DFFE_PN0), ID($__DFFE_PN1), ID($__DFFE_PP0), ID($__DFFE_PP1),
- ID($__DFFS_NN0_), ID($__DFFS_NN1_), ID($__DFFS_NP0_), ID($__DFFS_NP1_),
- ID($__DFFS_PN0_), ID($__DFFS_PN1_), ID($__DFFS_PP0_), ID($__DFFS_PP1_)))
+ else if (cell->type.in(ID($_SDFF_NN0_), ID($_SDFF_NN1_), ID($_SDFF_NP0_), ID($_SDFF_NP1_),
+ ID($_SDFF_PN0_), ID($_SDFF_PN1_), ID($_SDFF_PP0_), ID($_SDFF_PP1_)))
+ {
+ t[9] = (t[9] == '0' ? '1' : '0');
+ }
+ else if (cell->type.in(ID($_DFFE_NN0P_), ID($_DFFE_NN1P_), ID($_DFFE_NP0P_), ID($_DFFE_NP1P_),
+ ID($_DFFE_PN0P_), ID($_DFFE_PN1P_), ID($_DFFE_PP0P_), ID($_DFFE_PP1P_),
+ ID($_DFFE_NN0N_), ID($_DFFE_NN1N_), ID($_DFFE_NP0N_), ID($_DFFE_NP1N_),
+ ID($_DFFE_PN0N_), ID($_DFFE_PN1N_), ID($_DFFE_PP0N_), ID($_DFFE_PP1N_)))
+ {
+ t[9] = (t[9] == '0' ? '1' : '0');
+ }
+ else if (cell->type.in(ID($_SDFFE_NN0P_), ID($_SDFFE_NN1P_), ID($_SDFFE_NP0P_), ID($_SDFFE_NP1P_),
+ ID($_SDFFE_PN0P_), ID($_SDFFE_PN1P_), ID($_SDFFE_PP0P_), ID($_SDFFE_PP1P_),
+ ID($_SDFFE_NN0N_), ID($_SDFFE_NN1N_), ID($_SDFFE_NP0N_), ID($_SDFFE_NP1N_),
+ ID($_SDFFE_PN0N_), ID($_SDFFE_PN1N_), ID($_SDFFE_PP0N_), ID($_SDFFE_PP1N_)))
{
t[10] = (t[10] == '0' ? '1' : '0');
}
- else if (cell->type.in(ID($__DFFSE_NN0), ID($__DFFSE_NN1), ID($__DFFSE_NP0), ID($__DFFSE_NP1),
- ID($__DFFSE_PN0), ID($__DFFSE_PN1), ID($__DFFSE_PP0), ID($__DFFSE_PP1)))
+ else if (cell->type.in(ID($_SDFFCE_NN0P_), ID($_SDFFCE_NN1P_), ID($_SDFFCE_NP0P_), ID($_SDFFCE_NP1P_),
+ ID($_SDFFCE_PN0P_), ID($_SDFFCE_PN1P_), ID($_SDFFCE_PP0P_), ID($_SDFFCE_PP1P_),
+ ID($_SDFFCE_NN0N_), ID($_SDFFCE_NN1N_), ID($_SDFFCE_NP0N_), ID($_SDFFCE_NP1N_),
+ ID($_SDFFCE_PN0N_), ID($_SDFFCE_PN1N_), ID($_SDFFCE_PP0N_), ID($_SDFFCE_PP1N_)))
{
t[11] = (t[11] == '0' ? '1' : '0');
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-05 06:53:04 +0000