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support vivado incremental implementation

This commit is contained in:
Ilia Sergachev 2019-07-25 19:18:11 +02:00
parent e637aa657b
commit fdb119cb7b
1 changed files with 3 additions and 0 deletions
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3
litex/build/xilinx/vivado.py
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@ -106,6 +106,7 @@ class XilinxVivadoToolchain:
self.additional_commands = [] self.additional_commands = []
self.pre_synthesis_commands = [] self.pre_synthesis_commands = []
self.with_phys_opt = False self.with_phys_opt = False
self.incremental_implementation = False
self.clocks = dict() self.clocks = dict()
self.false_paths = set() self.false_paths = set()
@ -154,6 +155,8 @@ class XilinxVivadoToolchain:
tcl.append("report_utilization -hierarchical -file {}_utilization_hierarchical_synth.rpt".format(build_name)) tcl.append("report_utilization -hierarchical -file {}_utilization_hierarchical_synth.rpt".format(build_name))
tcl.append("report_utilization -file {}_utilization_synth.rpt".format(build_name)) tcl.append("report_utilization -file {}_utilization_synth.rpt".format(build_name))
tcl.append("opt_design") tcl.append("opt_design")
if self.incremental_implementation:
tcl.append("read_checkpoint -incremental {}_route.dcp".format(build_name))
tcl.append("place_design") tcl.append("place_design")
if self.with_phys_opt: if self.with_phys_opt:
tcl.append("phys_opt_design -directive AddRetime") tcl.append("phys_opt_design -directive AddRetime")