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ecp5: Implement new Grid APIs

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Signed-off-by: David Shah <davey1576@gmail.com>
This commit is contained in:
David Shah 2018-07-23 10:53:07 +02:00
parent d0ed23d673
commit 54d1b8adce
2 changed files with 50 additions and 0 deletions
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36
ecp5/arch.cc
View File

@ -344,6 +344,42 @@ std::vector<PortPin> Arch::getBelPins(BelId bel) const
return ret;
}
BelId Arch::getBelByLocation(Loc loc) const {
if (loc.x >= chip_info->width || loc.y >= chip_info->height)
return BelId();
const LocationTypePOD &locI = chip_info->locations[chip_info->location_type[loc.y * chip_info->width + loc.x]];
for (int i = 0; i < locI.num_bels; i++) {
if (locI.bel_data[i].z == loc.z) {
BelId bi;
bi.location.x = loc.x;
bi.location.y = loc.y;
bi.index = i;
return bi;
}
}
return BelId();
}
BelRange Arch::getBelsByTile(int x, int y) const {
BelRange br;
int num_bels = 0;
if (x < chip_info->width && y < chip_info->height) {
const LocationTypePOD &locI = chip_info->locations[chip_info->location_type[y * chip_info->width + x]];
num_bels = locI.num_bels;
}
br.b.cursor_tile = y * chip_info->width + x;
br.e.cursor_tile = y * chip_info->width + x;
br.b.cursor_index = 0;
br.e.cursor_index = num_bels - 1;
br.b.chip = chip_info;
br.e.chip = chip_info;
++br.e;
return br;
}
// -----------------------------------------------------------------------
void Arch::estimatePosition(BelId bel, int &x, int &y, bool &gb) const

14
ecp5/arch.h
View File

@ -426,6 +426,20 @@ struct Arch : BaseCtx
bel_to_cell[bel] = IdString();
}
Loc getBelLocation(BelId bel) const
{
Loc loc;
loc.x = bel.location.x;
loc.y = bel.location.y;
loc.z = locInfo(bel)->bel_data[bel.index].z;
return loc;
}
BelId getBelByLocation(Loc loc) const;
BelRange getBelsByTile(int x, int y) const;
bool getBelGlobalBuf(BelId bel) const { return false; }
bool checkBelAvail(BelId bel) const
{
NPNR_ASSERT(bel != BelId());