Visible to Intel only — GUID: jbr1442876337090
Ixiasoft
Visible to Intel only — GUID: jbr1442876337090
Ixiasoft
4.2.2.4.1. Logic Lock Region Assignment Examples
Assign Rectangular Logic Lock Region
Assigns a rectangular Logic Lock region to a lower left corner location of (10,10), and an upper right corner of (20,20) inclusive.
set_instance_assignment –name PLACE_REGION –to a|b|c "X10 Y10 X20 Y20"
Assign Non-Rectangular Logic Lock Region
Assigns instance with full hierarchical path "x|y|z" to non-rectangular L-shaped Logic Lock region. The software treats each set of four numbers as a new box.
set_instance_assignment –name PLACE_REGION –to x|y|z "X10 Y10 X20 Y50; X20 Y10 X50 Y20"
Assign Subordinate Logic Lock Instances
By default, the Intel® Quartus® Prime software constrains every child instance to the Logic Lock region of its parent. Any constraint to a child instance intersects with the constraint of its ancestors. For example, in the following example, all logic beneath “a|b|c|d” constrains to box (10,10), (15,15), and not (0,0), (15,15). This result occurs because the child constraint intersects with the parent constraint.
set_instance_assignment –name PLACE_REGION –to a|b|c "X10 Y10 X20 Y20" set_instance_assignment –name PLACE_REGION –to a|b|c|d "X0 Y0 X15 Y15"
Assign Multiple Logic Lock Instances
By default, a Logic Lock region constraint allows logic from other instances to share the same region. These assignments place instance c and instance g in the same location. This strategy is useful if instance c and instance g are heavily interacting.
set_instance_assignment –name PLACE_REGION –to a|b|c "X10 Y10 X20 Y20" set_instance_assignment –name PLACE_REGION –to e|f|g "X10 Y10 X20 Y20"
Assigned Reserved Logic Lock Regions
Optionally reserve an entire Logic Lock region for one instance and any of its subordinate instances.
set_instance_assignment –name PLACE_REGION –to a|b|c "X10 Y10 X20 Y20" set_instance_assignment –name RESERVE_PLACE_REGION –to a|b|c ON # The following assignment causes an error. The logic in e|f|g is not # legally placeable anywhere: # set_instance_assignment –name PLACE_REGION –to e|f|g "X10 Y10 X20 Y20" # The following assignment does *not* cause an error, but is effectively # constrained to the box (20,10), (30,20), since the (10,10),(20,20) box is reserved # for a|b|c set_instance_assignment –name PLACE_REGION –to e|f|g "X10 Y10 X30 Y20"