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api: add explain_invalid option to isBelLocationValid

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Signed-off-by: gatecat <gatecat@ds0.me>
This commit is contained in:
gatecat 2022-12-07 10:27:58 +01:00
parent d1afd6c0f1
commit 603b60da8d
26 changed files with 37 additions and 30 deletions
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2
common/kernel/arch_api.h
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@ -135,7 +135,7 @@ template <typename R> struct ArchAPI : BaseCtx
virtual BelBucketId getBelBucketByName(IdString name) const = 0;
virtual BelBucketId getBelBucketForBel(BelId bel) const = 0;
virtual BelBucketId getBelBucketForCellType(IdString cell_type) const = 0;
virtual bool isBelLocationValid(BelId bel) const = 0;
virtual bool isBelLocationValid(BelId bel, bool explain_invalid = false) const = 0;
virtual typename R::CellTypeRangeT getCellTypes() const = 0;
virtual typename R::BelBucketRangeT getBelBuckets() const = 0;
virtual typename R::BucketBelRangeT getBelsInBucket(BelBucketId bucket) const = 0;

4
common/kernel/arch_pybindings_shared.h
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@ -127,8 +127,8 @@ fn_wrapper_0a<Context, decltype(&Context::archId), &Context::archId, conv_to_str
fn_wrapper_2a_v<Context, decltype(&Context::writeSVG), &Context::writeSVG, pass_through<std::string>,
pass_through<std::string>>::def_wrap(ctx_cls, "writeSVG");
fn_wrapper_1a<Context, decltype(&Context::isBelLocationValid), &Context::isBelLocationValid, pass_through<bool>,
conv_from_str<BelId>>::def_wrap(ctx_cls, "isBelLocationValid");
fn_wrapper_2a<Context, decltype(&Context::isBelLocationValid), &Context::isBelLocationValid, pass_through<bool>,
conv_from_str<BelId>, pass_through<bool>>::def_wrap(ctx_cls, "isBelLocationValid");
// const\_range\<BelBucketId\> getBelBuckets() const
fn_wrapper_0a<Context, decltype(&Context::getBelBuckets), &Context::getBelBuckets,

2
common/kernel/base_arch.h
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@ -357,7 +357,7 @@ template <typename R> struct BaseArch : ArchAPI<R>
{
return getBelBucketByName(cell_type);
};
virtual bool isBelLocationValid(BelId bel) const override { return true; }
virtual bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override { return true; }
virtual typename R::CellTypeRangeT getCellTypes() const override
{
NPNR_ASSERT(cell_types_initialised);

4
common/place/placer1.cc
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@ -173,7 +173,7 @@ class SAPlacer
}
ctx->bindBel(bel, cell, STRENGTH_USER);
if (!ctx->isBelLocationValid(bel)) {
if (!ctx->isBelLocationValid(bel, /* explain_invalid */ true)) {
IdString bel_type = ctx->getBelType(bel);
log_error("Bel \'%s\' of type \'%s\' is not valid for cell "
"\'%s\' of type \'%s\'\n",
@ -404,7 +404,7 @@ class SAPlacer
ctx->yield();
for (auto bel : ctx->getBels()) {
CellInfo *cell = ctx->getBoundBelCell(bel);
if (!ctx->isBelLocationValid(bel)) {
if (!ctx->isBelLocationValid(bel, /* explain_invalid */ true)) {
std::string cell_text = "no cell";
if (cell != nullptr)
cell_text = std::string("cell '") + ctx->nameOf(cell) + "'";

4
common/place/placer_heap.cc
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@ -327,7 +327,7 @@ class HeAPPlacer
bool any_bad_placements = false;
for (auto bel : ctx->getBels()) {
CellInfo *cell = ctx->getBoundBelCell(bel);
if (!ctx->isBelLocationValid(bel)) {
if (!ctx->isBelLocationValid(bel, /* explain_invalid */ true)) {
std::string cell_text = "no cell";
if (cell != nullptr)
cell_text = std::string("cell '") + ctx->nameOf(cell) + "'";
@ -434,7 +434,7 @@ class HeAPPlacer
}
ctx->bindBel(bel, cell, STRENGTH_USER);
if (!ctx->isBelLocationValid(bel)) {
if (!ctx->isBelLocationValid(bel, /* explain_invalid */ true)) {
IdString bel_type = ctx->getBelType(bel);
log_error("Bel \'%s\' of type \'%s\' is not valid for cell "
"\'%s\' of type \'%s\'\n",

6
docs/archapi.md
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@ -698,11 +698,15 @@ return the same value regardless if other cells are placed within the fabric.
*BaseArch default: returns `cell_type == getBelType(bel)`*
### bool isBelLocationValid(BelId bel) const
### bool isBelLocationValid(BelId bel, bool explain_invalid = false) const
Returns true if a bel in the current configuration is legal (for example,
a flipflop's clock signal is correctly shared with all bels in a slice.)
If and only if `explain_invalid` is set to true, then a message using
`log_nonfatal_error` should be printed explaining why the placement is invalid
to the end user.
*BaseArch default: returns true*
### static const std::string defaultPlacer

2
docs/viaduct.md
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@ -64,7 +64,7 @@ X(F)
```c++
bool checkBelAvail(BelId bel) const;
bool isValidBelForCellType(IdString cell_type, BelId bel) const;
bool isBelLocationValid(BelId bel) const;
bool isBelLocationValid(BelId bel, bool explain_invalid = false) const;
bool checkWireAvail(WireId wire) const;
bool checkPipAvail(PipId pip) const;
bool checkPipAvailForNet(PipId pip, NetInfo *net) const;

2
ecp5/arch.h
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@ -1010,7 +1010,7 @@ struct Arch : BaseArch<ArchRanges>
// -------------------------------------------------
// Placement validity checks
bool isBelLocationValid(BelId bel) const override;
bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override;
// Helper function for above
bool slices_compatible(LogicTileStatus *lts) const;

2
ecp5/arch_place.cc
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@ -178,7 +178,7 @@ bool Arch::slices_compatible(LogicTileStatus *lts) const
return true;
}
bool Arch::isBelLocationValid(BelId bel) const
bool Arch::isBelLocationValid(BelId bel, bool explain_invalid) const
{
IdString bel_type = getBelType(bel);
if (bel_type.in(id_TRELLIS_COMB, id_TRELLIS_FF, id_TRELLIS_RAMW)) {

2
fpga_interchange/arch.h
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@ -851,7 +851,7 @@ struct Arch : ArchAPI<ArchRanges>
}
// Return true whether all Bels at a given location are valid
bool isBelLocationValid(BelId bel) const final
bool isBelLocationValid(BelId bel, bool explain_invalid = false) const final
{
auto iter = tileStatus.find(bel.tile);
if (iter == tileStatus.end()) {

4
generic/arch.cc
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@ -693,10 +693,10 @@ TimingClockingInfo Arch::getPortClockingInfo(const CellInfo *cell, IdString port
return tmg.clockingInfo.at(port).at(index);
}
bool Arch::isBelLocationValid(BelId bel) const
bool Arch::isBelLocationValid(BelId bel, bool explain_invalid) const
{
if (uarch)
return uarch->isBelLocationValid(bel);
return uarch->isBelLocationValid(bel, explain_invalid);
std::vector<const CellInfo *> cells;
Loc loc = getBelLocation(bel);
for (auto tbel : getBelsByTile(loc.x, loc.y)) {

2
generic/arch.h
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@ -386,7 +386,7 @@ struct Arch : BaseArch<ArchRanges>
{
return uarch ? uarch->isValidBelForCellType(cell_type, bel) : cell_type == getBelType(bel);
}
bool isBelLocationValid(BelId bel) const override;
bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override;
static const std::string defaultPlacer;
static const std::vector<std::string> availablePlacers;

2
generic/viaduct/example/example.cc
View File

@ -62,7 +62,7 @@ struct ExampleImpl : ViaductAPI
void prePlace() override { assign_cell_info(); }
bool isBelLocationValid(BelId bel) const override
bool isBelLocationValid(BelId bel, bool explain_invalid) const override
{
Loc l = ctx->getBelLocation(bel);
if (is_io(l.x, l.y)) {

5
generic/viaduct/fabulous/fabulous.cc
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@ -81,7 +81,10 @@ struct FabulousImpl : ViaductAPI
}
void prePlace() override { assign_cell_info(); }
bool isBelLocationValid(BelId bel) const override { return blk_trk->check_validity(bel, cfg, cell_tags); }
bool isBelLocationValid(BelId bel, bool explain_invalid) const override
{
return blk_trk->check_validity(bel, cfg, cell_tags);
}
private:
FabricConfig cfg; // TODO: non-default config

2
generic/viaduct/okami/okami.cc
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@ -64,7 +64,7 @@ struct OkamiImpl : ViaductAPI
void prePlace() override { assign_cell_info(); }
bool isBelLocationValid(BelId bel) const override
bool isBelLocationValid(BelId bel, bool explain_invalid) const override
{
Loc l = ctx->getBelLocation(bel);
if (is_io(l.x, l.y)) {

2
generic/viaduct_api.h
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@ -67,7 +67,7 @@ struct ViaductAPI
virtual BelBucketId getBelBucketForBel(BelId bel) const;
virtual BelBucketId getBelBucketForCellType(IdString cell_type) const;
virtual bool isValidBelForCellType(IdString cell_type, BelId bel) const;
virtual bool isBelLocationValid(BelId bel) const { return true; }
virtual bool isBelLocationValid(BelId bel, bool explain_invalid = false) const { return true; }
// --- Wire and pip functions ---
// Called when a wire/pip is placed/unplaced (with net=nullptr for a unbind)

2
gowin/arch.cc
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@ -2028,7 +2028,7 @@ TimingClockingInfo Arch::getPortClockingInfo(const CellInfo *cell, IdString port
return tmg.clockingInfo.at(port).at(index);
}
bool Arch::isBelLocationValid(BelId bel) const
bool Arch::isBelLocationValid(BelId bel, bool explain_invalid) const
{
Loc loc = getBelLocation(bel);

2
gowin/arch.h
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@ -458,7 +458,7 @@ struct Arch : BaseArch<ArchRanges>
// Get the TimingClockingInfo of a port
TimingClockingInfo getPortClockingInfo(const CellInfo *cell, IdString port, int index) const override;
bool isBelLocationValid(BelId bel) const override;
bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override;
static const std::string defaultPlacer;
static const std::vector<std::string> availablePlacers;

2
ice40/arch.h
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@ -840,7 +840,7 @@ struct Arch : BaseArch<ArchRanges>
// implemented in arch_place.cc)
// Return true whether all Bels at a given location are valid
bool isBelLocationValid(BelId bel) const override;
bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override;
// Helper function for above
bool logic_cells_compatible(const CellInfo **it, const size_t size) const;

2
ice40/arch_place.cc
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@ -82,7 +82,7 @@ static inline bool _io_pintype_need_clk_en(unsigned pin_type)
return _io_pintype_need_clk_in(pin_type) || _io_pintype_need_clk_out(pin_type);
}
bool Arch::isBelLocationValid(BelId bel) const
bool Arch::isBelLocationValid(BelId bel, bool explain_invalid) const
{
if (getBelType(bel) == id_ICESTORM_LC) {
std::array<const CellInfo *, 8> bel_cells;

2
machxo2/arch.cc
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@ -451,7 +451,7 @@ bool Arch::route()
// ---------------------------------------------------------------
bool Arch::isBelLocationValid(BelId bel) const
bool Arch::isBelLocationValid(BelId bel, bool explain_invalid) const
{
// FIXME: Same deal as isValidBelForCell.
return true;

2
machxo2/arch.h
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@ -643,7 +643,7 @@ struct Arch : BaseArch<ArchRanges>
bool route() override;
// Placer
bool isBelLocationValid(BelId bel) const override;
bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override;
static const std::string defaultPlacer;
static const std::vector<std::string> availablePlacers;

2
mistral/arch.cc
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@ -182,7 +182,7 @@ IdStringList Arch::getBelName(BelId bel) const
return IdStringList(ids);
}
bool Arch::isBelLocationValid(BelId bel) const
bool Arch::isBelLocationValid(BelId bel, bool explain_invalid) const
{
auto &data = bel_data(bel);
if (data.type.in(id_MISTRAL_COMB, id_MISTRAL_MCOMB)) {

2
mistral/arch.h
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@ -333,7 +333,7 @@ struct Arch : BaseArch<ArchRanges>
PortType getBelPinType(BelId bel, IdString pin) const override { return bel_data(bel).pins.at(pin).dir; }
std::vector<IdString> getBelPins(BelId bel) const override;
bool isBelLocationValid(BelId bel) const override;
bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override;
void bindBel(BelId bel, CellInfo *cell, PlaceStrength strength) override
{

2
nexus/arch.h
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@ -1322,7 +1322,7 @@ struct Arch : BaseArch<ArchRanges>
// implemented in arch_place.cc)
// Return true whether all Bels at a given location are valid
bool isBelLocationValid(BelId bel) const override;
bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override;
// -------------------------------------------------

2
nexus/arch_place.cc
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@ -96,7 +96,7 @@ bool Arch::nexus_logic_tile_valid(LogicTileStatus &lts) const
return true;
}
bool Arch::isBelLocationValid(BelId bel) const
bool Arch::isBelLocationValid(BelId bel, bool explain_invalid) const
{
if (bel_tile_is(bel, LOC_LOGIC)) {
LogicTileStatus *lts = tileStatus[bel.tile].lts;