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# Build the real Windows runtime with translated, entirely synthetic PowerPC code.
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# No game dump, game symbol map, REL, mod download, or existing generated/ output is used.
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[CmdletBinding()]
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param(
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[string]$PortableToolsDirectory = 'Launcher/artifacts/portable-tools',
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[string]$DependencySourceDirectory = 'Launcher/artifacts/dependencies',
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[string]$StageDirectory = 'build/recomp-test',
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[ValidateRange(1, 64)] [int]$Parallel = 3
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)
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$ErrorActionPreference = 'Stop'
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Set-StrictMode -Version 3.0
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. (Join-Path $PSScriptRoot 'NativeBuildFlags.ps1')
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$repoRoot = [IO.Path]::GetFullPath((Join-Path $PSScriptRoot '..'))
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function Full([string]$Path) {
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if ([IO.Path]::IsPathRooted($Path)) { return [IO.Path]::GetFullPath($Path) }
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return [IO.Path]::GetFullPath((Join-Path $repoRoot $Path))
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}
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$portableTools = Full $PortableToolsDirectory
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$dependencies = Full $DependencySourceDirectory
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$stage = Full $StageDirectory
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$dotnet = (Get-Command dotnet -CommandType Application).Source
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$cmake = Join-Path $portableTools 'CMake/bin/cmake.exe'
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$ninja = Join-Path $portableTools 'Ninja/ninja.exe'
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$compilerBin = Join-Path $portableTools 'llvm-mingw/bin'
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Assert-File $cmake 'Pinned CMake (run Prepare-PortableTools.ps1 first)'
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Assert-File $ninja 'Pinned Ninja'
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Assert-File (Join-Path $dependencies 'cppwinrt/winrt/base.h') 'Pinned dependencies (run Prepare-Dependencies.ps1 first)'
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# Refuse reuse so a developer's game translation or an earlier build cannot make
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# the test pass. Keep the staging tree after the run for diagnostics.
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if (Test-Path -LiteralPath $stage) { throw "Test stage already exists; choose a fresh -StageDirectory: $stage" }
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[IO.Directory]::CreateDirectory($stage) | Out-Null
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Write-Host "Synthetic recompilation workspace: $stage"
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# Copy current sources, including uncommitted edits, but no ignored build output.
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# An isolated workspace preserves the developer's real generated/ directory.
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$sourceFiles = & git -C $repoRoot -c core.quotepath=false ls-files --cached --others --exclude-standard -- runtime aurora-main
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if ($LASTEXITCODE -ne 0) { throw 'Could not enumerate runtime and Aurora sources.' }
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foreach ($relative in $sourceFiles | Sort-Object -Unique) {
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$destination = Join-Path $stage $relative
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[IO.Directory]::CreateDirectory([IO.Path]::GetDirectoryName($destination)) | Out-Null
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Copy-Item -LiteralPath (Join-Path $repoRoot $relative) -Destination $destination
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}
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# One synthetic text section: li r3,40; addi r3,r3,2; nop; blr.
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# Native HLE wrappers also call these eight guest symbols directly. Give each
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# its own generated blr function so the real product can link without game code.
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# Keep this list explicit: a new unresolved guest dependency must fail the test.
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[uint32]$entry = 0x80001000L
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[uint32[]]$guestCallbacks = @(
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0x8012B830L, 0x801A0620L, 0x801A1ED8L, 0x801A961CL,
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0x801AADE0L, 0x801D8D30L, 0x801D9E94L, 0x8055531CL
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)
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$textSize = [int]($guestCallbacks[-1] - $entry + 4)
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$dataOffset = 0x100 + $textSize
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$dol = [byte[]]::new($dataOffset + 4)
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function Write-BigEndian32([int]$Offset, [uint32]$Value) {
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$dol[$Offset] = [byte](($Value -shr 24) -band 255)
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$dol[$Offset + 1] = [byte](($Value -shr 16) -band 255)
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$dol[$Offset + 2] = [byte](($Value -shr 8) -band 255)
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$dol[$Offset + 3] = [byte]($Value -band 255)
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}
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Write-BigEndian32 0x00 0x100 # text[0] file offset
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Write-BigEndian32 0x48 $entry # text[0] guest address
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Write-BigEndian32 0x90 $textSize # text[0] length (unreachable gaps are zero)
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Write-BigEndian32 0x1C $dataOffset # data[0] file offset
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Write-BigEndian32 0x64 0x80600000L # data[0] guest address
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Write-BigEndian32 0xAC 4 # data[0] length
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Write-BigEndian32 0xD8 0x80601000L # BSS address
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Write-BigEndian32 0xDC 32 # BSS length
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Write-BigEndian32 0xE0 $entry # entry point
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Write-BigEndian32 0x100 0x38600028 # li r3,40
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Write-BigEndian32 0x104 0x38630002 # addi r3,r3,2
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Write-BigEndian32 0x108 0x60000000 # nop
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Write-BigEndian32 0x10C 0x4E800020 # blr
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foreach ($address in $guestCallbacks) {
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Write-BigEndian32 ([int](0x100 + $address - $entry)) 0x4E800020
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}
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Write-BigEndian32 $dataOffset 0x12345678
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[IO.File]::WriteAllBytes((Join-Path $stage 'synthetic.dol'), $dol)
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$entryPoints = (@($entry) + $guestCallbacks | ForEach-Object { '0x{0:X8}' -f $_ }) -join ', '
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$functionMap = (@($entry) + $guestCallbacks | ForEach-Object { '{0:X8} func_{0:X8}' -f $_ }) -join "`n"
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[IO.File]::WriteAllText((Join-Path $stage 'synthetic-functions.txt'), $functionMap)
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$manifest = Join-Path $stage 'recomp.yml'
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[IO.File]::WriteAllText($manifest, @"
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schema_version: 1
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workspace_root: .
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project:
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id: ci-synthetic-dol
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display_name: CI Synthetic DOL
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memory:
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base: 0x80000000
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size: 0x01800000
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sda_base: 0x80600000
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sda2_base: 0x80600000
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inputs:
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dol:
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path: synthetic.dol
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translation:
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entry_points: [$entryPoints]
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function_map:
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path: synthetic-functions.txt
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allow_unsupported_instructions: false
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runtime:
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native_abi_directories: []
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native_registration_root: runtime/src
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output:
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root: generated
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"@)
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$translatorProject = Join-Path $repoRoot 'translator/src/Translator.Cli/Translator.Cli.csproj'
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Invoke-Checked $dotnet @('build', $translatorProject, '-c', 'Release', '--disable-build-servers') 'Building the translator'
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$translator = Join-Path $repoRoot 'translator/src/Translator.Cli/bin/Release/net8.0/Translator.Cli.dll'
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$metadata = Join-Path $stage 'generated/base_translation_output.json'
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Invoke-Checked $dotnet @($translator, 'translate-recursive', '0x80001000', '--project', $manifest,
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'--output-metadata', $metadata, '--threads', "$Parallel") `
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'Translating the synthetic DOL'
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# Function-map seeds can be skipped by discovery; do not accept a partial fixture.
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$translated = Get-Content -LiteralPath $metadata -Raw | ConvertFrom-Json
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foreach ($address in @($entry) + $guestCallbacks) {
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if ($address -notin $translated.functions.entryPoint) {
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throw ('Synthetic function 0x{0:X8} was not translated.' -f $address)
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}
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}
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Invoke-Checked $dotnet @($translator, 'generate-data-init', '--project', $manifest) 'Generating synthetic data and runtime configuration'
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Invoke-Checked $dotnet @($translator, 'emit-build-shards', '--project', $manifest) 'Emitting the production build graph'
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$nativeBuild = Join-Path $stage 'native-build'
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$oldPath = $env:PATH
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try {
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$env:PATH = Get-MkwToolchainPath $portableTools
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$configure = Get-MkwNativeConfigureArguments -SourceDirectory (Join-Path $stage 'runtime') -BuildDirectory $nativeBuild `
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-Ninja $ninja -CCompiler (Join-Path $compilerBin 'x86_64-w64-mingw32-clang.exe') `
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-CxxCompiler (Join-Path $compilerBin 'x86_64-w64-mingw32-clang++.exe') `
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-ResourceCompiler (Join-Path $compilerBin 'x86_64-w64-mingw32-windres.exe') `
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-DependenciesDirectory $dependencies -AdditionalArguments @('-DMKW_BUILD_PRODUCTS=ON')
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Invoke-Checked $cmake $configure 'Configuring the production Windows runtime'
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Invoke-Checked $cmake @('--build', $nativeBuild, '--target', 'WiiCompiled', '--parallel', "$Parallel") `
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'Compiling and linking the synthetic product with the full runtime'
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Assert-File (Join-Path $nativeBuild 'WiiCompiled.exe') 'Linked synthetic product'
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} finally {
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$env:PATH = $oldPath
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}
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Write-Host 'Synthetic recompilation passed (translation, data generation, runtime compilation, and product link).'
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patchzyy