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@@ -200,26 +200,24 @@ bool Arch::isBelLocationValid(BelId bel, bool explain_invalid) const
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// Check if this DSP cell placement would result in more than four distinct
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// CLK/CE/RST signals per block of two DSP slices.
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bool Arch::is_dsp_location_valid(CellInfo* cell) const
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bool Arch::is_dsp_location_valid(CellInfo *cell) const
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{
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// Find the location of the DSP0 tile.
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int block_x = cell->getLocation().x - cell->getLocation().z;
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int block_y = cell->getLocation().y;
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const std::array<std::array<IdString, 4>, 3> block_ports = {{
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{id_CLK0, id_CLK1, id_CLK2, id_CLK3},
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{id_CE0, id_CE1, id_CE2, id_CE3},
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{id_RST0, id_RST1, id_RST2, id_RST3}
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}};
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const std::array<const char*, 3> port_names = {"CLK", "CE", "RST"};
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std::array<std::set<NetInfo*>, 3> block_nets = {};
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const std::array<std::array<IdString, 4>, 3> block_ports = {{{id_CLK0, id_CLK1, id_CLK2, id_CLK3},
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{id_CE0, id_CE1, id_CE2, id_CE3},
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{id_RST0, id_RST1, id_RST2, id_RST3}}};
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const std::array<const char *, 3> port_names = {"CLK", "CE", "RST"};
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std::array<std::set<NetInfo *>, 3> block_nets = {};
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bool cells_locked = true;
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// Count the number of distinct CLK, CE, and RST signals used by
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// all the MULT18X18D and ALU54B bels in the DSP block.
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for (int dx : {0, 1, 3, 4, 5, 7}) {
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BelId dsp_bel = getBelByLocation(Loc(block_x + dx, block_y, dx));
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CellInfo* dsp_cell = getBoundBelCell(dsp_bel);
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CellInfo *dsp_cell = getBoundBelCell(dsp_bel);
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if (dsp_cell == nullptr)
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continue;
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@@ -240,9 +238,7 @@ bool Arch::is_dsp_location_valid(CellInfo* cell) const
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if (cells_locked) {
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log_error("DSP block containing %s '%s' has more than "
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"four distinct %s signals.\n",
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dsp_cell->type.c_str(getCtx()),
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dsp_cell->name.c_str(getCtx()),
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port_names[i]);
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dsp_cell->type.c_str(getCtx()), dsp_cell->name.c_str(getCtx()), port_names[i]);
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}
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return false;
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}
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@@ -260,12 +256,12 @@ void Arch::remap_dsp_blocks()
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std::set<Location> processed_blocks;
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const std::array<std::array<IdString, 4>, 3> block_ports = {{
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{id_CLK0, id_CLK1, id_CLK2, id_CLK3},
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{id_CE0, id_CE1, id_CE2, id_CE3},
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{id_RST0, id_RST1, id_RST2, id_RST3},
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{id_CLK0, id_CLK1, id_CLK2, id_CLK3},
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{id_CE0, id_CE1, id_CE2, id_CE3},
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{id_RST0, id_RST1, id_RST2, id_RST3},
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}};
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for (auto &cell: cells) {
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for (auto &cell : cells) {
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CellInfo *ci = cell.second.get();
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if (!ci->type.in(id_MULT18X18D, id_ALU54B))
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continue;
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@@ -279,13 +275,13 @@ void Arch::remap_dsp_blocks()
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for (auto &ports : block_ports) {
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// Store assigned nets for each port.
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std::array<NetInfo*, 4> assigned_nets = {};
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std::array<NetInfo *, 4> assigned_nets = {};
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// Process each possible MULT18X18D or ALU54B in this block.
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for (int dx : {0, 1, 3, 4, 5, 7}) {
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Loc dsp_loc = Loc(block_loc.x + dx, block_loc.y, dx);
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BelId dsp_bel = getBelByLocation(dsp_loc);
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CellInfo* dsp_cell = getBoundBelCell(dsp_bel);
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CellInfo *dsp_cell = getBoundBelCell(dsp_bel);
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if (dsp_cell == nullptr)
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continue;
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remap_dsp_cell(dsp_cell, ports, assigned_nets);
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@@ -314,34 +310,25 @@ void Arch::remap_dsp_blocks()
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// ports: array of port names to remap, either CLK0-3 or CE0-3 or RST0-3
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// assigned_nets: array of final net assignments to those four ports for
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// the block this cell is in.
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void Arch::remap_dsp_cell(
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CellInfo* ci,
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const std::array<IdString, 4> &ports,
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std::array<NetInfo*, 4> &assigned_nets
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) {
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void Arch::remap_dsp_cell(CellInfo *ci, const std::array<IdString, 4> &ports, std::array<NetInfo *, 4> &assigned_nets)
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{
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// New names to use in attributes that used to refer to an old port name.
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std::array<IdString, 4> remap_ports = {};
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// Parameters that might need updating when ports are remapped.
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const std::array<IdString, 48> remap_params = {
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id_REG_INPUTA_CLK, id_REG_INPUTA_CE, id_REG_INPUTA_RST,
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id_REG_INPUTB_CLK, id_REG_INPUTB_CE, id_REG_INPUTB_RST,
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id_REG_INPUTC_CLK, id_REG_INPUTC_CE, id_REG_INPUTC_RST,
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id_REG_PIPELINE_CLK, id_REG_PIPELINE_CE, id_REG_PIPELINE_RST,
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id_REG_OUTPUT_CLK, id_REG_OUTPUT_CE, id_REG_OUTPUT_RST,
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id_REG_INPUTC0_CLK, id_REG_INPUTC0_CE, id_REG_INPUTC0_RST,
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id_REG_INPUTC1_CLK, id_REG_INPUTC1_CE, id_REG_INPUTC1_RST,
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id_REG_OPCODEOP0_0_CLK, id_REG_OPCODEOP0_0_CE, id_REG_OPCODEOP0_0_RST,
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id_REG_OPCODEOP1_0_CLK,
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id_REG_OPCODEOP0_1_CLK, id_REG_OPCODEOP0_1_CE, id_REG_OPCODEOP0_1_RST,
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id_REG_OPCODEOP1_1_CLK,
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id_REG_OPCODEIN_0_CLK, id_REG_OPCODEIN_0_CE, id_REG_OPCODEIN_0_RST,
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id_REG_OPCODEIN_1_CLK, id_REG_OPCODEIN_1_CE, id_REG_OPCODEIN_1_RST,
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id_REG_OUTPUT0_CLK, id_REG_OUTPUT0_CE, id_REG_OUTPUT0_RST,
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id_REG_OUTPUT1_CLK, id_REG_OUTPUT1_CE, id_REG_OUTPUT1_RST,
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id_REG_FLAG_CLK, id_REG_FLAG_CE, id_REG_FLAG_RST,
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id_REG_INPUTCFB_CLK, id_REG_INPUTCFB_CE, id_REG_INPUTCFB_RST,
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id_HIGHSPEED_CLK,
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id_REG_INPUTA_CLK, id_REG_INPUTA_CE, id_REG_INPUTA_RST, id_REG_INPUTB_CLK,
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id_REG_INPUTB_CE, id_REG_INPUTB_RST, id_REG_INPUTC_CLK, id_REG_INPUTC_CE,
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id_REG_INPUTC_RST, id_REG_PIPELINE_CLK, id_REG_PIPELINE_CE, id_REG_PIPELINE_RST,
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id_REG_OUTPUT_CLK, id_REG_OUTPUT_CE, id_REG_OUTPUT_RST, id_REG_INPUTC0_CLK,
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id_REG_INPUTC0_CE, id_REG_INPUTC0_RST, id_REG_INPUTC1_CLK, id_REG_INPUTC1_CE,
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id_REG_INPUTC1_RST, id_REG_OPCODEOP0_0_CLK, id_REG_OPCODEOP0_0_CE, id_REG_OPCODEOP0_0_RST,
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id_REG_OPCODEOP1_0_CLK, id_REG_OPCODEOP0_1_CLK, id_REG_OPCODEOP0_1_CE, id_REG_OPCODEOP0_1_RST,
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id_REG_OPCODEOP1_1_CLK, id_REG_OPCODEIN_0_CLK, id_REG_OPCODEIN_0_CE, id_REG_OPCODEIN_0_RST,
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id_REG_OPCODEIN_1_CLK, id_REG_OPCODEIN_1_CE, id_REG_OPCODEIN_1_RST, id_REG_OUTPUT0_CLK,
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id_REG_OUTPUT0_CE, id_REG_OUTPUT0_RST, id_REG_OUTPUT1_CLK, id_REG_OUTPUT1_CE,
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id_REG_OUTPUT1_RST, id_REG_FLAG_CLK, id_REG_FLAG_CE, id_REG_FLAG_RST,
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id_REG_INPUTCFB_CLK, id_REG_INPUTCFB_CE, id_REG_INPUTCFB_RST, id_HIGHSPEED_CLK,
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};
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// First, go through each port and determine which new port to assign
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@@ -363,22 +350,18 @@ void Arch::remap_dsp_cell(
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// we need to assign the net to a different port and
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// update any attributes that refer to it, while
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// ensuring the net at the new port is preserved.
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size_t j = std::distance(
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assigned_nets.cbegin(),
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std::find(assigned_nets.cbegin(), assigned_nets.cend(), nullptr));
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size_t j = std::distance(assigned_nets.cbegin(),
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std::find(assigned_nets.cbegin(), assigned_nets.cend(), nullptr));
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if (j == assigned_nets.size()) {
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log_error("DSP block containing %s '%s': no unused ports "
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"to remap %s to; too many distinct signals in "
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"block.\n",
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ci->type.c_str(getCtx()),
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ci->name.c_str(getCtx()),
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port.c_str(getCtx()));
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ci->type.c_str(getCtx()), ci->name.c_str(getCtx()), port.c_str(getCtx()));
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}
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assigned_nets[j] = net;
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remap_ports[i] = ports[j];
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log_info("DSP: %s '%s': Connection to %s remapped to %s\n",
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ci->type.c_str(getCtx()), ci->name.c_str(getCtx()),
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ports[i].c_str(getCtx()), ports[j].c_str(getCtx()));
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log_info("DSP: %s '%s': Connection to %s remapped to %s\n", ci->type.c_str(getCtx()),
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ci->name.c_str(getCtx()), ports[i].c_str(getCtx()), ports[j].c_str(getCtx()));
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}
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} else if (*assigned != assigned_nets[i]) {
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// If the net has been assigned already and to a different
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@@ -386,9 +369,8 @@ void Arch::remap_dsp_cell(
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// to point to the already-assigned port.
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size_t j = std::distance(assigned_nets.cbegin(), assigned);
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remap_ports[i] = ports[j];
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log_info("DSP: %s '%s': Connection to %s remapped to %s\n",
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ci->type.c_str(getCtx()), ci->name.c_str(getCtx()),
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ports[i].c_str(getCtx()), ports[j].c_str(getCtx()));
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log_info("DSP: %s '%s': Connection to %s remapped to %s\n", ci->type.c_str(getCtx()),
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ci->name.c_str(getCtx()), ports[i].c_str(getCtx()), ports[j].c_str(getCtx()));
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}
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}
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@@ -409,10 +391,7 @@ void Arch::remap_dsp_cell(
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continue;
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for (size_t i = 0; i < remap_ports.size(); i++) {
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Property &prop = param->second;
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if (remap_ports[i] != IdString()
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&& prop.is_string
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&& prop.str == ports[i].str(getCtx())
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) {
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if (remap_ports[i] != IdString() && prop.is_string && prop.str == ports[i].str(getCtx())) {
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prop = Property(remap_ports[i].str(getCtx()));
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break;
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}
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@@ -421,8 +400,7 @@ void Arch::remap_dsp_cell(
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// Finally, only when remapping CLK ports, also move any `CLKn_DIV`
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// to the new clock port.
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const std::array<IdString, 4> clk_div_params = {
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id_CLK0_DIV, id_CLK1_DIV, id_CLK2_DIV, id_CLK3_DIV};
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const std::array<IdString, 4> clk_div_params = {id_CLK0_DIV, id_CLK1_DIV, id_CLK2_DIV, id_CLK3_DIV};
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std::array<Property, 4> new_clk_div_props = {};
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if (ports[0] == id_CLK0) {
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for (size_t i = 0; i < 4; i++) {
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@@ -431,9 +409,7 @@ void Arch::remap_dsp_cell(
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auto param = ci->params.find(clk_div_params[i]);
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if (param == ci->params.end())
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continue;
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size_t j = std::distance(
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ports.cbegin(),
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std::find(ports.cbegin(), ports.cend(), remap_ports[i]));
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size_t j = std::distance(ports.cbegin(), std::find(ports.cbegin(), ports.cend(), remap_ports[i]));
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if (j != ports.size()) {
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new_clk_div_props[j] = param->second;
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}
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