# SPDX-License-Identifier: GPL-3.0-or-later
# Recreate the B210 Kintex-7 Vivado project from version-controlled sources.
#
# This is Project Mode on purpose: it retains Vivado's normal run management
# while keeping the Git tree authoritative and the generated .xpr disposable.

set B210_SCRIPT_DIR [file dirname [file normalize [info script]]]
set B210_REPO_ROOT  [file normalize [file join $B210_SCRIPT_DIR ../..]]

source [file join $B210_SCRIPT_DIR project_config.tcl]
source [file join $B210_SCRIPT_DIR sources.tcl]

if {[info exists ::env(B210_BUILD_ROOT)] && $::env(B210_BUILD_ROOT) ne ""} {
    set B210_BUILD_ROOT [file normalize $::env(B210_BUILD_ROOT)]
} else {
    set B210_BUILD_ROOT [file join $B210_REPO_ROOT build vivado]
}
set B210_PROJECT_DIR [file join $B210_BUILD_ROOT $B210_PROJECT_NAME]

proc b210_repo_file {relpath} {
    global B210_REPO_ROOT
    set p [file normalize [file join $B210_REPO_ROOT $relpath]]
    if {![file exists $p]} {
        error "Manifest source does not exist: $relpath\nResolved path: $p"
    }
    return $p
}

# Reproducibility guard. Set B210_ALLOW_VIVADO_MISMATCH=1 only for deliberate
# migration work; once migration is committed, update project_config.tcl.
set actual_vivado [version -short]
if {$actual_vivado ne $B210_EXPECTED_VIVADO} {
    set allow 0
    if {[info exists ::env(B210_ALLOW_VIVADO_MISMATCH)]} {
        set allow $::env(B210_ALLOW_VIVADO_MISMATCH)
    }
    if {!$allow} {
        error "Expected Vivado $B210_EXPECTED_VIVADO, found $actual_vivado. Set B210_ALLOW_VIVADO_MISMATCH=1 only for intentional migration work."
    }
    puts "WARNING: expected Vivado $B210_EXPECTED_VIVADO, running $actual_vivado because B210_ALLOW_VIVADO_MISMATCH is set"
}

file mkdir $B210_BUILD_ROOT
create_project $B210_PROJECT_NAME $B210_PROJECT_DIR \
    -part $B210_PART \
    -force

set_property target_language Verilog [current_project]
set_property default_lib xil_defaultlib [current_project]

# Add RTL/netlist/memory files by reference. Nothing is copied into .srcs.
foreach rel $B210_GLOBAL_INCLUDE_SOURCES {
    set f [b210_repo_file $rel]
    set added [add_files -fileset sources_1 -norecurse $f]
    set_property IS_GLOBAL_INCLUDE true $added
}

foreach rel $B210_HDL_SOURCES {
    add_files -fileset sources_1 -norecurse [b210_repo_file $rel]
}

foreach rel $B210_NETLIST_SOURCES {
    add_files -fileset sources_1 -norecurse [b210_repo_file $rel]
}

foreach rel $B210_MEMORY_SOURCES {
    add_files -fileset sources_1 -norecurse [b210_repo_file $rel]
}

# Import the canonical XCI into the disposable generated project. AMD documents
# import_ip as the Project-Mode command that copies an XCI into the project;
# generated IP state therefore stays below build/ rather than beside the
# canonical version-controlled XCI.
foreach rel $B210_IP_SOURCES {
    import_ip [b210_repo_file $rel]
}

foreach rel $B210_CONSTRAINT_SOURCES {
    add_files -fileset constrs_1 -norecurse [b210_repo_file $rel]
}

set_property top $B210_TOP [get_filesets sources_1]
set_property top $B210_TOP [get_filesets sim_1]

# Match the original project behavior: generate a raw .bin alongside .bit.
set_property STEPS.WRITE_BITSTREAM.ARGS.BIN_FILE true [get_runs impl_1]

# Generate IP output products from the imported XCI. An OOC synthesis run is
# created/started by build.tcl before top-level synthesis.
foreach ip_obj [get_ips] {
    generate_target all $ip_obj
}

update_compile_order -fileset sources_1
update_compile_order -fileset sim_1

puts "Created reproducible project: $B210_PROJECT_DIR"
puts "Top:  $B210_TOP"
puts "Part: $B210_PART"