param(
  [string]$BuildDirectory = '.starlet_msvc2',

  [string]$UserDirectory = '.starlet_user3',

  [switch]$DisableJIT,

  [switch]$Wait
)

$repoRoot = Split-Path -Parent $MyInvocation.MyCommand.Path
$dolphinPath = Join-Path $repoRoot "$BuildDirectory\Binaries\DolphinNoGUI.exe"
$userPath = Join-Path $repoRoot $UserDirectory

if (-not (Test-Path -LiteralPath $dolphinPath)) {
  throw "DolphinNoGUI.exe is missing: $dolphinPath"
}

$dolphin = Start-Process -FilePath $dolphinPath -ArgumentList @(
  '-u', $userPath,
  '-n', '0000000100000002',
  '-C', "Dolphin.Core.WiiStarletJIT=$(-not $DisableJIT)",
  # Keep the next BootMii run diagnostic rather than observational. BootMii reports its loader
  # stages and panic codes through GPIO bits 16-23; the Starlet bus logs those writes under IOS.
  '-C', 'Logger.Options.WriteToFile=True',
  '-C', 'Logger.Options.Verbosity=4',
  '-C', 'Logger.Logs.IOS=True',
  '-v', 'D3D',
  '-p', 'win32'
) -WorkingDirectory $repoRoot -PassThru

$dolphin.PriorityClass = 'High'

# Windows otherwise tends to schedule the ARM interpreter on an efficient core
# of this hybrid CPU. Logical processors 0-3 are its two performance cores.
$processorName = (Get-ItemPropertyValue `
    -LiteralPath 'HKLM:\HARDWARE\DESCRIPTION\System\CentralProcessor\0' `
    -Name 'ProcessorNameString' -ErrorAction SilentlyContinue)
if ($processorName -match '12th Gen Intel\(R\) Core\(TM\) i7-1255U') {
  $dolphin.ProcessorAffinity = [IntPtr]0xF
}

Write-Host "Dolphin IOS LLE started (PID $($dolphin.Id))."

if ($Wait) {
  $dolphin.WaitForExit()
  exit $dolphin.ExitCode
}