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-rw-r--r--ecp5/arch.cc107
1 files changed, 52 insertions, 55 deletions
diff --git a/ecp5/arch.cc b/ecp5/arch.cc
index 25f95c53..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)
@@ -128,6 +117,22 @@ Arch::Arch(ArchArgs args) : args(args)
bucket.name = bel_type;
buckets.push_back(bucket);
}
+
+ for (int i = 0; i < chip_info->width; i++)
+ 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;
+ }
}
// -----------------------------------------------------------------------
@@ -208,27 +213,23 @@ IdString Arch::archArgsToId(ArchArgs args) const
// -----------------------------------------------------------------------
-BelId Arch::getBelByName(IdString name) const
+BelId Arch::getBelByName(IdStringList name) const
{
+ if (name.size() != 3)
+ return BelId();
BelId ret;
- auto it = bel_by_name.find(name);
- if (it != bel_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->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 (ret.index >= 0)
- bel_by_name[name] = ret;
- return ret;
+ return BelId();
}
BelRange Arch::getBelsByTile(int x, int y) const
@@ -277,36 +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;
@@ -314,7 +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++) {
@@ -324,24 +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);
}
// -----------------------------------------------------------------------
@@ -1206,7 +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)
@@ -1214,7 +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;
@@ -1223,10 +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
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-03 01:15:58 +0000