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-- Copyright (C) 2002 Morgan Kaufmann Publishers, Inc
-- This file is part of VESTs (Vhdl tESTs).
-- VESTs is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; either version 2 of the License, or (at
-- your option) any later version.
-- VESTs is distributed in the hope that it will be useful, but WITHOUT
-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-- for more details.
-- You should have received a copy of the GNU General Public License
-- along with VESTs; if not, write to the Free Software Foundation,
-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package cell_attributes is
type length is range 0 to integer'high
units nm;
um = 1000 nm;
mm = 1000 um;
mil = 25400 nm;
end units length;
type coordinate is record
x, y : length;
end record coordinate;
attribute cell_position : coordinate;
end package cell_attributes;
entity CPU is
end entity CPU;
-- code from book
architecture cell_based of CPU is
component fpu is
port ( -- . . . );
-- not in book
port_name : bit := '0' );
-- end not in book
end component;
use work.cell_attributes.all;
attribute cell_position of the_fpu : label is ( 540 um, 1200 um );
-- . . .
begin
the_fpu : component fpu
port map ( -- . . . );
-- not in book
port_name => open );
-- end not in book
-- . . .
end architecture cell_based;
-- end code from book
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