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* ecp5: Split the SLICE bel into separate LUT/FF/RAMW belsgatecat2022-04-071-99/+138
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* refactor: New member functions to replace design_utilsgatecat2022-02-181-2/+2
| | | | Signed-off-by: gatecat <gatecat@ds0.me>
* refactor: Use constids instead of id("..")gatecat2022-02-161-1/+1
| | | | Signed-off-by: gatecat <gatecat@ds0.me>
* Fixing old emails and names in copyrightsgatecat2021-06-121-1/+1
| | | | Signed-off-by: gatecat <gatecat@ds0.me>
* Use hashlib in placersgatecat2021-06-021-9/+0
| | | | Signed-off-by: gatecat <gatecat@ds0.me>
* Use hashlib for core netlist structuresgatecat2021-06-021-6/+6
| | | | Signed-off-by: gatecat <gatecat@ds0.me>
* timing: Replace all users of criticality with new enginegatecat2021-03-041-9/+3
| | | | Signed-off-by: gatecat <gatecat@ds0.me>
* Remove isValidBelForCellgatecat2021-02-161-30/+6
| | | | | | | | | | | | | | | | | This Arch API dates from when we were first working out how to implement placement validity checking, and in practice is little used by the core parts of placer1/HeAP and the Arch implementation involves a lot of duplication with isBelLocationValid. In the short term; placement validity checking is better served by the combination of checkBelAvail and isValidBelForCellType before placement; followed by isBelLocationValid after placement (potentially after moving/swapping multiple cells). Longer term, removing this API makes things a bit cleaner for a new validity checking API. Signed-off-by: gatecat <gatecat@ds0.me>
* ecp5: Use snake case for arch-specific functionsD. Shah2021-02-031-4/+4
| | | | | | | This makes the difference clearer between the general arch API that everyone must implement; and helper functions specific to one arch. Signed-off-by: D. Shah <dave@ds0.me>
* ecp5: Improve bounding box accuracyDavid Shah2020-02-031-6/+15
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Fix routing to shared DSP control inputsDavid Shah2019-10-251-0/+24
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Fix handling of missing ports in LUT permutationDavid Shah2019-08-081-0/+4
| | | | | | Fixes #310 Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add --out-of-context for building hard macrosDavid Shah2019-08-071-1/+4
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: New Property interfaceDavid Shah2019-08-051-2/+2
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add criticality-based LUT permutationDavid Shah2019-02-251-0/+74
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: More optimal LUT6 placementDavid Shah2018-11-161-0/+6
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add DCU availability checkDavid Shah2018-11-151-0/+2
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Improve mixed no-FF/FF placementDavid Shah2018-09-301-18/+20
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Speedup placement using ArchCellInfoDavid Shah2018-08-181-12/+12
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Update to use const IdStrings in place of PortPin/BelTypeDavid Shah2018-08-081-13/+13
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* API change: Use CellInfo* and NetInfo* as cell/net handles (ECP5)David Shah2018-08-051-11/+9
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Remove implementations of deprecated APIsDavid Shah2018-07-241-3/+4
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Adding a slow and conservative placement validity checkerDavid Shah2018-07-171-0/+109
Signed-off-by: David Shah <davey1576@gmail.com>
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