aboutsummaryrefslogtreecommitdiffstats
path: root/ecp5
diff options
context:
space:
mode:
Diffstat (limited to 'ecp5')
-rw-r--r--ecp5/arch.cc104
-rw-r--r--ecp5/arch.h26
-rw-r--r--ecp5/arch_pybindings.h6
-rw-r--r--ecp5/bitstream.cc15
4 files changed, 66 insertions, 85 deletions
diff --git a/ecp5/arch.cc b/ecp5/arch.cc
index 928a9c5f..d86bad5d 100644
--- a/ecp5/arch.cc
+++ b/ecp5/arch.cc
@@ -37,17 +37,6 @@
NEXTPNR_NAMESPACE_BEGIN
-static std::tuple<int, int, std::string> split_identifier_name(const std::string &name)
-{
- size_t first_slash = name.find('/');
- NPNR_ASSERT(first_slash != std::string::npos);
- size_t second_slash = name.find('/', first_slash + 1);
- NPNR_ASSERT(second_slash != std::string::npos);
- return std::make_tuple(std::stoi(name.substr(1, first_slash)),
- std::stoi(name.substr(first_slash + 2, second_slash - first_slash)),
- name.substr(second_slash + 1));
-};
-
// -----------------------------------------------------------------------
void IdString::initialize_arch(const BaseCtx *ctx)
@@ -133,6 +122,17 @@ Arch::Arch(ArchArgs args) : args(args)
x_ids.push_back(id(stringf("X%d", i)));
for (int i = 0; i < chip_info->height; i++)
y_ids.push_back(id(stringf("Y%d", i)));
+
+ for (int i = 0; i < chip_info->width; i++) {
+ IdString x_id = id(stringf("X%d", i));
+ x_ids.push_back(x_id);
+ id_to_x[x_id] = i;
+ }
+ for (int i = 0; i < chip_info->height; i++) {
+ IdString y_id = id(stringf("Y%d", i));
+ y_ids.push_back(y_id);
+ id_to_y[y_id] = i;
+ }
}
// -----------------------------------------------------------------------
@@ -215,29 +215,21 @@ IdString Arch::archArgsToId(ArchArgs args) const
BelId Arch::getBelByName(IdStringList name) const
{
- // TODO: take advantage of IdStringList for fast parsing
+ if (name.size() != 3)
+ return BelId();
BelId ret;
-#if 0
- auto it = bel_by_name.find(name);
- if (it != bel_by_name.end())
- return it->second;
-#endif
Location loc;
- std::string basename;
- std::tie(loc.x, loc.y, basename) = split_identifier_name(name.str(getCtx()));
+ loc.x = id_to_x.at(name[0]);
+ loc.y = id_to_y.at(name[1]);
ret.location = loc;
const LocationTypePOD *loci = locInfo(ret);
for (int i = 0; i < int(loci->bel_data.size()); i++) {
- if (std::strcmp(loci->bel_data[i].name.get(), basename.c_str()) == 0) {
+ if (std::strcmp(loci->bel_data[i].name.get(), name[2].c_str(this)) == 0) {
ret.index = i;
- break;
+ return ret;
}
}
-#if 0
- if (ret.index >= 0)
- bel_by_name[name] = ret;
-#endif
- return ret;
+ return BelId();
}
BelRange Arch::getBelsByTile(int x, int y) const
@@ -286,36 +278,31 @@ PortType Arch::getBelPinType(BelId bel, IdString pin) const
// -----------------------------------------------------------------------
-WireId Arch::getWireByName(IdString name) const
+WireId Arch::getWireByName(IdStringList name) const
{
+ if (name.size() != 3)
+ return WireId();
WireId ret;
- auto it = wire_by_name.find(name);
- if (it != wire_by_name.end())
- return it->second;
-
Location loc;
- std::string basename;
- std::tie(loc.x, loc.y, basename) = split_identifier_name(name.str(this));
+ loc.x = id_to_x.at(name[0]);
+ loc.y = id_to_y.at(name[1]);
ret.location = loc;
const LocationTypePOD *loci = locInfo(ret);
for (int i = 0; i < int(loci->wire_data.size()); i++) {
- if (std::strcmp(loci->wire_data[i].name.get(), basename.c_str()) == 0) {
+ if (std::strcmp(loci->wire_data[i].name.get(), name[2].c_str(this)) == 0) {
ret.index = i;
- ret.location = loc;
- break;
+ return ret;
}
}
- if (ret.index >= 0)
- wire_by_name[name] = ret;
- else
- ret.location = Location();
- return ret;
+ return WireId();
}
// -----------------------------------------------------------------------
-PipId Arch::getPipByName(IdString name) const
+PipId Arch::getPipByName(IdStringList name) const
{
+ if (name.size() != 3)
+ return PipId();
auto it = pip_by_name.find(name);
if (it != pip_by_name.end())
return it->second;
@@ -323,7 +310,8 @@ PipId Arch::getPipByName(IdString name) const
PipId ret;
Location loc;
std::string basename;
- std::tie(loc.x, loc.y, basename) = split_identifier_name(name.str(this));
+ loc.x = id_to_x.at(name[0]);
+ loc.y = id_to_y.at(name[1]);
ret.location = loc;
const LocationTypePOD *loci = locInfo(ret);
for (int i = 0; i < int(loci->pip_data.size()); i++) {
@@ -333,24 +321,23 @@ PipId Arch::getPipByName(IdString name) const
pip_by_name[getPipName(curr)] = curr;
}
if (pip_by_name.find(name) == pip_by_name.end())
- NPNR_ASSERT_FALSE_STR("no pip named " + name.str(this));
+ NPNR_ASSERT_FALSE_STR("no pip named " + name.str(getCtx()));
return pip_by_name[name];
}
-IdString Arch::getPipName(PipId pip) const
+IdStringList Arch::getPipName(PipId pip) const
{
NPNR_ASSERT(pip != PipId());
- int x = pip.location.x;
- int y = pip.location.y;
-
- std::string src_name = getWireName(getPipSrcWire(pip)).str(this);
- std::replace(src_name.begin(), src_name.end(), '/', '.');
-
- std::string dst_name = getWireName(getPipDstWire(pip)).str(this);
- std::replace(dst_name.begin(), dst_name.end(), '/', '.');
+ // TODO: can we improve how pip names are stored/built?
+ auto &pip_data = locInfo(pip)->pip_data[pip.index];
+ WireId src = getPipSrcWire(pip), dst = getPipDstWire(pip);
+ std::string pip_name = stringf("%d_%d_%s->%d_%d_%s", pip_data.rel_src_loc.x, pip_data.rel_src_loc.y,
+ getWireBasename(src).c_str(this), pip_data.rel_dst_loc.x, pip_data.rel_dst_loc.y,
+ getWireBasename(dst).c_str(this));
- return id("X" + std::to_string(x) + "/Y" + std::to_string(y) + "/" + src_name + ".->." + dst_name);
+ std::array<IdString, 3> ids{x_ids.at(pip.location.x), y_ids.at(pip.location.y), id(pip_name)};
+ return IdStringList(ids);
}
// -----------------------------------------------------------------------
@@ -1215,7 +1202,7 @@ const std::vector<std::string> Arch::availableRouters = {"router1", "router2"};
// -----------------------------------------------------------------------
-GroupId Arch::getGroupByName(IdString name) const
+GroupId Arch::getGroupByName(IdStringList name) const
{
for (auto g : getGroups())
if (getGroupName(g) == name)
@@ -1223,7 +1210,7 @@ GroupId Arch::getGroupByName(IdString name) const
return GroupId();
}
-IdString Arch::getGroupName(GroupId group) const
+IdStringList Arch::getGroupName(GroupId group) const
{
std::string suffix;
@@ -1232,10 +1219,11 @@ IdString Arch::getGroupName(GroupId group) const
suffix = "switchbox";
break;
default:
- return IdString();
+ return IdStringList();
}
- return id("X" + std::to_string(group.location.x) + "/Y" + std::to_string(group.location.y) + "/" + suffix);
+ std::array<IdString, 3> ids{x_ids.at(group.location.x), y_ids.at(group.location.y), id(suffix)};
+ return IdStringList(ids);
}
std::vector<GroupId> Arch::getGroups() const
diff --git a/ecp5/arch.h b/ecp5/arch.h
index 303d9afe..9997cd5c 100644
--- a/ecp5/arch.h
+++ b/ecp5/arch.h
@@ -441,9 +441,7 @@ struct Arch : BaseCtx
const PackageInfoPOD *package_info;
const SpeedGradePOD *speed_grade;
- mutable std::unordered_map<IdString, BelId> bel_by_name;
- mutable std::unordered_map<IdString, WireId> wire_by_name;
- mutable std::unordered_map<IdString, PipId> pip_by_name;
+ mutable std::unordered_map<IdStringList, PipId> pip_by_name;
std::vector<CellInfo *> bel_to_cell;
std::unordered_map<WireId, NetInfo *> wire_to_net;
@@ -452,6 +450,8 @@ struct Arch : BaseCtx
// fast access to X and Y IdStrings for building object names
std::vector<IdString> x_ids, y_ids;
+ // inverse of the above for name->object mapping
+ std::unordered_map<IdString, int> id_to_x, id_to_y;
ArchArgs args;
Arch(ArchArgs args);
@@ -598,16 +598,14 @@ struct Arch : BaseCtx
// -------------------------------------------------
- WireId getWireByName(IdString name) const;
+ WireId getWireByName(IdStringList name) const;
- IdString getWireName(WireId wire) const
+ IdStringList getWireName(WireId wire) const
{
NPNR_ASSERT(wire != WireId());
-
- std::stringstream name;
- name << "X" << wire.location.x << "/Y" << wire.location.y << "/"
- << locInfo(wire)->wire_data[wire.index].name.get();
- return id(name.str());
+ std::array<IdString, 3> ids{x_ids.at(wire.location.x), y_ids.at(wire.location.y),
+ id(locInfo(wire)->wire_data[wire.index].name.get())};
+ return IdStringList(ids);
}
IdString getWireType(WireId wire) const
@@ -716,8 +714,8 @@ struct Arch : BaseCtx
// -------------------------------------------------
- PipId getPipByName(IdString name) const;
- IdString getPipName(PipId pip) const;
+ PipId getPipByName(IdStringList name) const;
+ IdStringList getPipName(PipId pip) const;
IdString getPipType(PipId pip) const { return IdString(); }
@@ -895,8 +893,8 @@ struct Arch : BaseCtx
// -------------------------------------------------
- GroupId getGroupByName(IdString name) const;
- IdString getGroupName(GroupId group) const;
+ GroupId getGroupByName(IdStringList name) const;
+ IdStringList getGroupName(GroupId group) const;
std::vector<GroupId> getGroups() const;
std::vector<BelId> getGroupBels(GroupId group) const;
std::vector<WireId> getGroupWires(GroupId group) const;
diff --git a/ecp5/arch_pybindings.h b/ecp5/arch_pybindings.h
index 90c7c757..4228f12b 100644
--- a/ecp5/arch_pybindings.h
+++ b/ecp5/arch_pybindings.h
@@ -42,7 +42,7 @@ template <> struct string_converter<BelId>
template <> struct string_converter<WireId>
{
- WireId from_str(Context *ctx, std::string name) { return ctx->getWireByName(ctx->id(name)); }
+ WireId from_str(Context *ctx, std::string name) { return ctx->getWireByNameStr(name); }
std::string to_str(Context *ctx, WireId id)
{
@@ -54,7 +54,7 @@ template <> struct string_converter<WireId>
template <> struct string_converter<const WireId>
{
- WireId from_str(Context *ctx, std::string name) { return ctx->getWireByName(ctx->id(name)); }
+ WireId from_str(Context *ctx, std::string name) { return ctx->getWireByNameStr(name); }
std::string to_str(Context *ctx, WireId id)
{
@@ -66,7 +66,7 @@ template <> struct string_converter<const WireId>
template <> struct string_converter<PipId>
{
- PipId from_str(Context *ctx, std::string name) { return ctx->getPipByName(ctx->id(name)); }
+ PipId from_str(Context *ctx, std::string name) { return ctx->getPipByNameStr(name); }
std::string to_str(Context *ctx, PipId id)
{
diff --git a/ecp5/bitstream.cc b/ecp5/bitstream.cc
index 0841fa32..4a43bfca 100644
--- a/ecp5/bitstream.cc
+++ b/ecp5/bitstream.cc
@@ -811,14 +811,12 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
NetInfo *lsrnet = nullptr;
if (ci->ports.find(ctx->id("LSR")) != ci->ports.end() && ci->ports.at(ctx->id("LSR")).net != nullptr)
lsrnet = ci->ports.at(ctx->id("LSR")).net;
- if (ctx->getBoundWireNet(ctx->getWireByName(
- ctx->id(fmt_str("X" << bel.location.x << "/Y" << bel.location.y << "/LSR0")))) == lsrnet) {
+ if (ctx->getBoundWireNet(ctx->getWireByLocAndBasename(bel.location, "LSR0")) == lsrnet) {
cc.tiles[tname].add_enum("LSR0.SRMODE",
str_or_default(ci->params, ctx->id("SRMODE"), "LSR_OVER_CE"));
cc.tiles[tname].add_enum("LSR0.LSRMUX", str_or_default(ci->params, ctx->id("LSRMUX"), "LSR"));
}
- if (ctx->getBoundWireNet(ctx->getWireByName(
- ctx->id(fmt_str("X" << bel.location.x << "/Y" << bel.location.y << "/LSR1")))) == lsrnet) {
+ if (ctx->getBoundWireNet(ctx->getWireByLocAndBasename(bel.location, "LSR1")) == lsrnet) {
cc.tiles[tname].add_enum("LSR1.SRMODE",
str_or_default(ci->params, ctx->id("SRMODE"), "LSR_OVER_CE"));
cc.tiles[tname].add_enum("LSR1.LSRMUX", str_or_default(ci->params, ctx->id("LSRMUX"), "LSR"));
@@ -827,12 +825,10 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
NetInfo *clknet = nullptr;
if (ci->ports.find(ctx->id("CLK")) != ci->ports.end() && ci->ports.at(ctx->id("CLK")).net != nullptr)
clknet = ci->ports.at(ctx->id("CLK")).net;
- if (ctx->getBoundWireNet(ctx->getWireByName(
- ctx->id(fmt_str("X" << bel.location.x << "/Y" << bel.location.y << "/CLK0")))) == clknet) {
+ if (ctx->getBoundWireNet(ctx->getWireByLocAndBasename(bel.location, "CLK0")) == clknet) {
cc.tiles[tname].add_enum("CLK0.CLKMUX", str_or_default(ci->params, ctx->id("CLKMUX"), "CLK"));
}
- if (ctx->getBoundWireNet(ctx->getWireByName(
- ctx->id(fmt_str("X" << bel.location.x << "/Y" << bel.location.y << "/CLK1")))) == clknet) {
+ if (ctx->getBoundWireNet(ctx->getWireByLocAndBasename(bel.location, "CLK1")) == clknet) {
cc.tiles[tname].add_enum("CLK1.CLKMUX", str_or_default(ci->params, ctx->id("CLKMUX"), "CLK"));
}
}
@@ -907,8 +903,7 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
(ci->ports.find(ctx->id("IOLTO")) == ci->ports.end() ||
ci->ports.at(ctx->id("IOLTO")).net == nullptr)) {
// Tie tristate low if unconnected for outputs or bidir
- std::string jpt = fmt_str("X" << bel.location.x << "/Y" << bel.location.y << "/JPADDT" << pio.back());
- WireId jpt_wire = ctx->getWireByName(ctx->id(jpt));
+ WireId jpt_wire = ctx->getWireByLocAndBasename(bel.location, fmt_str("JPADDT" << pio.back()));
PipId jpt_pip = *ctx->getPipsUphill(jpt_wire).begin();
WireId cib_wire = ctx->getPipSrcWire(jpt_pip);
std::string cib_tile =
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-06 21:48:23 +0000