From 49d3857f9728b89ab8bac000f5dc0ed8627d23c9 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Sun, 19 Aug 2018 17:55:54 +0200 Subject: Add iCE40 gfx for carry chain pips and LUT cascade pips Signed-off-by: Clifford Wolf --- ice40/gfx.cc | 48 +++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 43 insertions(+), 5 deletions(-) (limited to 'ice40') diff --git a/ice40/gfx.cc b/ice40/gfx.cc index 54575060..f643d96c 100644 --- a/ice40/gfx.cc +++ b/ice40/gfx.cc @@ -554,7 +554,7 @@ void gfxTileWire(std::vector &g, int x, int y, int w, int h, Gfx int input = idx % 4; el.x1 = x + local_swbox_x2; el.x2 = x + lut_swbox_x1; - el.y1 = y + (logic_cell_y1 + logic_cell_y2) / 2 - 0.0075 + (0.005 * input) + z * logic_cell_pitch; + el.y1 = y + (logic_cell_y1 + logic_cell_y2) / 2 + 0.0075 - (0.005 * input) + z * logic_cell_pitch; el.y2 = el.y1; g.push_back(el); } @@ -565,7 +565,7 @@ void gfxTileWire(std::vector &g, int x, int y, int w, int h, Gfx int input = idx % 4; el.x1 = x + lut_swbox_x2; el.x2 = x + logic_cell_x1; - el.y1 = y + (logic_cell_y1 + logic_cell_y2) / 2 - 0.0075 + (0.005 * input) + z * logic_cell_pitch; + el.y1 = y + (logic_cell_y1 + logic_cell_y2) / 2 + 0.0075 - (0.005 * input) + z * logic_cell_pitch; el.y2 = el.y1; g.push_back(el); } @@ -985,7 +985,7 @@ void gfxTilePip(std::vector &g, int x, int y, GfxTileWireId src, el.style = style; el.x1 = x + logic_cell_x1; el.x2 = x + logic_cell_x2; - el.y1 = y + (logic_cell_y1 + logic_cell_y2) / 2 - 0.0075 + (0.005 * in_idx) + lut_idx * logic_cell_pitch; + el.y1 = y + (logic_cell_y1 + logic_cell_y2) / 2 + 0.0075 - (0.005 * in_idx) + lut_idx * logic_cell_pitch; el.y2 = y + (logic_cell_y1 + logic_cell_y2) / 2 + lut_idx * logic_cell_pitch; g.push_back(el); return; @@ -1002,8 +1002,46 @@ void gfxTilePip(std::vector &g, int x, int y, GfxTileWireId src, el.style = style; el.x1 = x + lut_swbox_x1; el.x2 = x + lut_swbox_x2; - el.y1 = y + (logic_cell_y1 + logic_cell_y2) / 2 - 0.0075 + (0.005 * in_idx) + lut_idx * logic_cell_pitch; - el.y2 = y + (logic_cell_y1 + logic_cell_y2) / 2 - 0.0075 + (0.005 * out_idx) + lut_idx * logic_cell_pitch; + el.y1 = y + (logic_cell_y1 + logic_cell_y2) / 2 + 0.0075 - (0.005 * in_idx) + lut_idx * logic_cell_pitch; + el.y2 = y + (logic_cell_y1 + logic_cell_y2) / 2 + 0.0075 - (0.005 * out_idx) + lut_idx * logic_cell_pitch; + g.push_back(el); + return; + } + + if ((src == TILE_WIRE_CARRY_IN_MUX || (src >= TILE_WIRE_LUTFF_0_COUT && src <= TILE_WIRE_LUTFF_6_COUT)) && + (dst >= TILE_WIRE_LUTFF_0_IN_0 && dst <= TILE_WIRE_LUTFF_7_IN_3 && (dst - TILE_WIRE_LUTFF_0_IN_0) % 4 == 3)) { + int lut_idx = (dst - TILE_WIRE_LUTFF_0_IN_0) / 4; + + GraphicElement el; + el.type = GraphicElement::TYPE_ARROW; + el.style = style; + el.x1 = x + (local_swbox_x2 + lut_swbox_x1) / 2; + el.x2 = el.x1; + el.y1 = y + (logic_cell_y1 + logic_cell_y2) / 2 + 0.0075 - (0.005 * 3) + lut_idx * logic_cell_pitch; + el.y2 = y + (logic_cell_y1 + logic_cell_y2 - logic_cell_pitch) / 2 + lut_idx * logic_cell_pitch; + g.push_back(el); + + el.x1 = x + logic_cell_x1 + 0.005 * 3; + el.y1 = el.y2; + g.push_back(el); + return; + } + + if ((src >= TILE_WIRE_LUTFF_0_LOUT && src <= TILE_WIRE_LUTFF_6_LOUT) && + (dst >= TILE_WIRE_LUTFF_0_IN_0 && dst <= TILE_WIRE_LUTFF_7_IN_3 && (dst - TILE_WIRE_LUTFF_0_IN_0) % 4 == 2)) { + int lut_idx = (dst - TILE_WIRE_LUTFF_0_IN_0) / 4; + + GraphicElement el; + el.type = GraphicElement::TYPE_ARROW; + el.style = style; + el.x1 = x + (local_swbox_x2 + lut_swbox_x1) / 2 + 0.005; + el.x2 = el.x1; + el.y1 = y + (logic_cell_y1 + logic_cell_y2) / 2 + 0.0075 - (0.005 * 2) + lut_idx * logic_cell_pitch; + el.y2 = y + (logic_cell_y1 + logic_cell_y2 - logic_cell_pitch) / 2 + lut_idx * logic_cell_pitch + 0.003; + g.push_back(el); + + el.x1 = x + logic_cell_x1 + 0.005 * 5; + el.y1 = el.y2; g.push_back(el); return; } -- cgit v1.2.3