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fpga: x4xx: add option for incremental Vivado build

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So far only the implementation after opt_run is affected by the changes.


Original-commit: 4c56b1b55ff3ae10561bd5efc83e3bb9a6a818d6
This commit is contained in:
Max Köhler
2024-03-12 16:03:23 -05:00
committed by Wade Fife
parent 275373c06b
commit e9700b2081
4 changed files with 28 additions and 12 deletions
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tools/scripts/viv_strategies.tcl
+18 -8
View File
@@ -13,18 +13,18 @@ namespace eval ::vivado_strategies {
check_strategy \
print_strategy
variable g_viv_version [version -short]
# Required environment variables
variable g_output_dir $::env(VIV_OUTPUT_DIR)
}
# ---------------------------------------------------
# Return a preset strategy with the most commonly used options
# ---------------------------------------------------
proc ::vivado_strategies::get_impl_preset {preset} {
variable g_viv_version
set strategy [dict create]
switch -nocase $preset {
"Default" {
dict set strategy "implementation.incremental" 0
dict set strategy "opt_design.is_enabled" 1
dict set strategy "opt_design.directive" "Default"
dict set strategy "post_opt_power_opt_design.is_enabled" 0
@@ -38,6 +38,7 @@ proc ::vivado_strategies::get_impl_preset {preset} {
dict set strategy "post_route_phys_opt_design.directive" "Default"
}
"Performance_Explore" {
dict set strategy "implementation.incremental" 0
dict set strategy "opt_design.is_enabled" 1
dict set strategy "opt_design.directive" "Explore"
dict set strategy "post_opt_power_opt_design.is_enabled" 0
@@ -51,6 +52,7 @@ proc ::vivado_strategies::get_impl_preset {preset} {
dict set strategy "post_route_phys_opt_design.directive" "Explore"
}
"Performance_ExplorePostRoutePhysOpt" {
dict set strategy "implementation.incremental" 0
dict set strategy "opt_design.is_enabled" 1
dict set strategy "opt_design.directive" "Explore"
dict set strategy "post_opt_power_opt_design.is_enabled" 0
@@ -71,7 +73,7 @@ proc ::vivado_strategies::get_impl_preset {preset} {
# Execute the specified implementation strategy
# ---------------------------------------------------
proc ::vivado_strategies::implement_design {strategy} {
variable g_viv_version
variable g_output_dir
# Check strategy for validity and print
vivado_strategies::check_strategy $strategy
@@ -85,6 +87,17 @@ proc ::vivado_strategies::implement_design {strategy} {
opt_design -directive $opt_dir
}
# Reading former post-route checkpoint for incremental implementation.
# This will set all consecutive operations into incremental operation mode in case there
# is a post_route checkpoint from a previous run.
if [dict get $strategy "implementation.incremental"] {
set impl_checkpoint $g_output_dir/post_route.dcp
if {[file exists $impl_checkpoint]} {
# read incremental checkpoint
read_checkpoint -incremental $impl_checkpoint
}
}
# Optimize dynamic power using intelligent clock gating after optimization
if [dict get $strategy "post_opt_power_opt_design.is_enabled"] {
power_opt_design
@@ -133,10 +146,9 @@ proc ::vivado_strategies::implement_design {strategy} {
# Sanity-check the specified strategy
# ---------------------------------------------------
proc ::vivado_strategies::check_strategy {strategy} {
variable g_viv_version
set strategy_options [dict keys $strategy]
set required_options {\
implementation.incremental \
opt_design.is_enabled \
opt_design.directive \
post_opt_power_opt_design.is_enabled \
@@ -165,8 +177,6 @@ proc ::vivado_strategies::check_strategy {strategy} {
# Print strategy parameters to the console
# ---------------------------------------------------
proc ::vivado_strategies::print_strategy {strategy} {
variable g_viv_version
foreach opt [dict keys $strategy] {
set val [dict get $strategy $opt]
puts " * $opt = $val"