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ice40: Assign ArchArgs after packing

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Signed-off-by: David Shah <davey1576@gmail.com>
This commit is contained in:
David Shah 2018-07-18 12:12:05 +02:00
parent 74cbaa5b83
commit c75a924c3f
7 changed files with 63 additions and 14 deletions
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5
ice40/arch.cc
View File

@ -610,8 +610,7 @@ std::vector<GraphicElement> Arch::getDecalGraphics(DecalId decal) const
}
if (bel_type == TYPE_ICESTORM_RAM) {
for (int i = 0; i < 2; i++)
{
for (int i = 0; i < 2; i++) {
int tx = chip_info->bel_data[bel.index].x;
int ty = chip_info->bel_data[bel.index].y + i;
@ -621,7 +620,7 @@ std::vector<GraphicElement> Arch::getDecalGraphics(DecalId decal) const
el.x1 = chip_info->bel_data[bel.index].x + logic_cell_x1;
el.x2 = chip_info->bel_data[bel.index].x + logic_cell_x2;
el.y1 = chip_info->bel_data[bel.index].y + logic_cell_y1;
el.y2 = chip_info->bel_data[bel.index].y + logic_cell_y2 + 7*logic_cell_pitch;
el.y2 = chip_info->bel_data[bel.index].y + logic_cell_y2 + 7 * logic_cell_pitch;
el.z = 0;
ret.push_back(el);

2
ice40/arch.h
View File

@ -584,7 +584,7 @@ struct Arch : BaseCtx
range.e.cursor = chip_info->num_pips;
return range;
}
IdString getPipName(PipId pip) const;
uint32_t getPipChecksum(PipId pip) const { return pip.index; }

22
ice40/archdefs.h
View File

@ -150,8 +150,26 @@ struct DecalId
bool operator!=(const DecalId &other) const { return (type != other.type) || (index != other.index); }
};
struct ArchNetInfo { };
struct ArchCellInfo { };
struct ArchNetInfo
{
bool is_global = false;
};
struct NetInfo;
struct ArchCellInfo
{
BelType belType = TYPE_NONE;
union
{
struct
{
bool dffEnable, negClk;
int inputCount;
const NetInfo *clk, *cen, *sr;
} lcInfo;
};
};
NEXTPNR_NAMESPACE_END

5
ice40/bitstream.cc
View File

@ -341,8 +341,9 @@ void write_asc(const Context *ctx, std::ostream &out)
set_config(ti, config.at(y).at(x),
"Cascade.IPCON_LC0" + std::to_string(lc_idx) + "_inmux02_5", true);
else
set_config(ti, config.at(y).at(x), "Cascade.MULT" + std::to_string(int(tile - TILE_DSP0)) +
"_LC0" + std::to_string(lc_idx) + "_inmux02_5",
set_config(ti, config.at(y).at(x),
"Cascade.MULT" + std::to_string(int(tile - TILE_DSP0)) + "_LC0" +
std::to_string(lc_idx) + "_inmux02_5",
true);
}
}

9
ice40/gfx.cc
View File

@ -640,10 +640,8 @@ static bool getWireXY_local(GfxTileWireId id, float &x, float &y)
return false;
}
void pipGfx(std::vector<GraphicElement> &g, int x, int y,
float x1, float y1, float x2, float y2,
float swx1, float swy1, float swx2, float swy2,
GraphicElement::style_t style)
void pipGfx(std::vector<GraphicElement> &g, int x, int y, float x1, float y1, float x2, float y2, float swx1,
float swy1, float swx2, float swy2, GraphicElement::style_t style)
{
float tx = 0.5 * (x1 + x2);
float ty = 0.5 * (y1 + y2);
@ -693,7 +691,8 @@ edge_pip:
g.push_back(el);
}
void gfxTilePip(std::vector<GraphicElement> &g, int x, int y, GfxTileWireId src, GfxTileWireId dst, GraphicElement::style_t style)
void gfxTilePip(std::vector<GraphicElement> &g, int x, int y, GfxTileWireId src, GfxTileWireId dst,
GraphicElement::style_t style)
{
float x1, y1, x2, y2;

3
ice40/gfx.h
View File

@ -468,7 +468,8 @@ enum GfxTileWireId
};
void gfxTileWire(std::vector<GraphicElement> &g, int x, int y, GfxTileWireId id, GraphicElement::style_t style);
void gfxTilePip(std::vector<GraphicElement> &g, int x, int y, GfxTileWireId src, GfxTileWireId dst, GraphicElement::style_t style);
void gfxTilePip(std::vector<GraphicElement> &g, int x, int y, GfxTileWireId src, GfxTileWireId dst,
GraphicElement::style_t style);
NEXTPNR_NAMESPACE_END

31
ice40/pack.cc
View File

@ -575,6 +575,36 @@ static void pack_special(Context *ctx)
}
}
// Assign arch arg info
static void assign_archargs(Context *ctx)
{
for (auto &net : ctx->nets) {
NetInfo *ni = net.second.get();
if (ctx->isGlobalNet(ni))
ni->is_global = true;
}
for (auto &cell : ctx->cells) {
CellInfo *ci = cell.second.get();
ci->belType = ctx->belTypeFromId(ci->type);
if (is_lc(ctx, ci)) {
ci->lcInfo.dffEnable = bool_or_default(ci->params, ctx->id("DFF_ENABLE"));
ci->lcInfo.negClk = bool_or_default(ci->params, ctx->id("NEG_CLK"));
ci->lcInfo.clk = get_net_or_empty(ci, ctx->id("CLK"));
ci->lcInfo.cen = get_net_or_empty(ci, ctx->id("CEN"));
ci->lcInfo.sr = get_net_or_empty(ci, ctx->id("SR"));
ci->lcInfo.inputCount = 0;
if (get_net_or_empty(ci, ctx->id("I0")))
ci->lcInfo.inputCount++;
if (get_net_or_empty(ci, ctx->id("I1")))
ci->lcInfo.inputCount++;
if (get_net_or_empty(ci, ctx->id("I2")))
ci->lcInfo.inputCount++;
if (get_net_or_empty(ci, ctx->id("I3")))
ci->lcInfo.inputCount++;
}
}
}
// Main pack function
bool Arch::pack()
{
@ -589,6 +619,7 @@ bool Arch::pack()
pack_carries(ctx);
pack_ram(ctx);
pack_special(ctx);
assign_archargs(ctx);
log_info("Checksum: 0x%08x\n", ctx->checksum());
return true;
} catch (log_execution_error_exception) {