Hardware
/
litex
mirror of https://github.com/enjoy-digital/litex.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Vivado: Make directives configurable via argparser + add option to limit vivado threads

This commit is contained in:
Christian Klarhorst 2022-09-29 15:42:15 +02:00
parent c717e4c824
commit 8ffdc535d1
1 changed files with 33 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
litex/build/xilinx/vivado.py
View File

@ -105,12 +105,6 @@ class XilinxVivadoToolchain(GenericToolchain):
self.pre_placement_commands = XilinxVivadoCommands()
self.pre_routing_commands = XilinxVivadoCommands()
self.incremental_implementation = False
self.vivado_synth_directive = "default"
self.opt_directive = "default"
self.vivado_place_directive = "default"
self.vivado_post_place_phys_opt_directive = None
self.vivado_route_directive = "default"
self.vivado_post_route_phys_opt_directive = "default"
self._synth_mode = "vivado"
self._enable_xpm = False
@ -122,11 +116,26 @@ class XilinxVivadoToolchain(GenericToolchain):
def build(self, platform, fragment,
synth_mode = "vivado",
enable_xpm = False,
vivado_synth_directive = "default",
opt_directive = "default",
vivado_place_directive = "default",
vivado_post_place_phys_opt_directive = None,
vivado_route_directive = "default",
vivado_post_route_phys_opt_directive = "default",
vivado_max_threads = None,
**kwargs):
self._synth_mode = synth_mode
self._enable_xpm = enable_xpm
self.vivado_synth_directive = vivado_synth_directive
self.opt_directive = opt_directive
self.vivado_place_directive = vivado_place_directive
self.vivado_post_place_phys_opt_directive = vivado_post_place_phys_opt_directive
self.vivado_route_directive = vivado_route_directive
self.vivado_post_route_phys_opt_directive = vivado_post_route_phys_opt_directive
self.vivado_max_threads = vivado_max_threads
return GenericToolchain.build(self, platform, fragment, **kwargs)
# Constraints (.xdc) ---------------------------------------------------------------------------
@ -211,6 +220,9 @@ class XilinxVivadoToolchain(GenericToolchain):
tcl.append(f"create_project -force -name {self._build_name} -part {self.platform.device}")
tcl.append("set_msg_config -id {Common 17-55} -new_severity {Warning}")
if self.vivado_max_threads:
tcl.append(f"set_param general.maxThreads {self.vivado_max_threads}")
# Enable Xilinx Parameterized Macros
if self._enable_xpm:
tcl.append("\n# Enable Xilinx Parameterized Macros\n")
@ -376,6 +388,20 @@ class XilinxVivadoToolchain(GenericToolchain):
def vivado_build_args(parser):
toolchain_group = parser.add_argument_group(title="Toolchain options")
toolchain_group.add_argument("--synth-mode", default="vivado", help="Synthesis mode (vivado or yosys).")
toolchain_group.add_argument("--vivado-synth-directive", default="default", help="Specify synthesis directive.")
toolchain_group.add_argument("--vivado-opt-directive", default="default", help="Specify opt directive.")
toolchain_group.add_argument("--vivado-place-directive", default="default", help="Specify place directive.")
toolchain_group.add_argument("--vivado-post-place-phys-opt-directive", default=None, help="Specify phys opt directive.")
toolchain_group.add_argument("--vivado-route-directive", default="default", help="Specify route directive.")
toolchain_group.add_argument("--vivado-post-route-phys-opt-directive", default="default", help="Specify phys opt directive.")
toolchain_group.add_argument("--vivado-max-threads", default=None, help="Limit the max threads vivado is allowed to use.")
def vivado_build_argdict(args):
return {"synth_mode": args.synth_mode}
return {"synth_mode": args.synth_mode,
"vivado_synth_directive": args.vivado_synth_directive,
"opt_directive": args.vivado_opt_directive,
"vivado_place_directive": args.vivado_place_directive,
"vivado_post_place_phys_opt_directive": args.vivado_post_place_phys_opt_directive,
"vivado_route_directive": args.vivado_route_directive,
"vivado_post_route_phys_opt_directive": args.vivado_post_route_phys_opt_directive,
"vivado_max_threads": args.vivado_max_threads}