mirror of
https://github.com/jessicanataliagta/PSPRecomp
synced 2026-09-29 09:20:33 -04:00
Jessica_Natalia
59 lines
2.2 KiB
PowerShell
59 lines
2.2 KiB
PowerShell
param(
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[Parameter(Mandatory=$true)][string]$ExtractedUmdRoot,
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[string]$DecryptedElf = "",
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[string]$Destination = "$PSScriptRoot\..\game",
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[switch]$AllowUnverifiedElf
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)
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$ErrorActionPreference = "Stop"
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$root = (Resolve-Path $ExtractedUmdRoot).Path
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$pspGame = Join-Path $root "PSP_GAME"
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$paramSfo = Join-Path $pspGame "PARAM.SFO"
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if (!(Test-Path $paramSfo)) {
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throw "PARAM.SFO not found. Provide an extracted PSP game directory."
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}
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New-Item -ItemType Directory -Force $Destination | Out-Null
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Copy-Item -Recurse -Force $pspGame $Destination
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$sourceElf = $null
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if ($DecryptedElf -ne "") {
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$sourceElf = (Resolve-Path $DecryptedElf).Path
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} else {
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$candidate = Join-Path $pspGame "SYSDIR\EBOOT_DECRYPTED.ELF"
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if (Test-Path $candidate) { $sourceElf = $candidate }
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if ($null -eq $sourceElf) {
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$boot = Join-Path $pspGame "SYSDIR\BOOT.BIN"
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if (Test-Path $boot) {
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$header = [System.IO.File]::ReadAllBytes($boot)[0..3]
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if ($header[0] -eq 0x7F -and $header[1] -eq 0x45 -and $header[2] -eq 0x4C -and $header[3] -eq 0x46) {
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$sourceElf = $boot
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}
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}
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}
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}
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if ($null -eq $sourceElf) {
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throw "A decrypted ELF was not found. PSPRecomp does not include EBOOT decryption code; pass -DecryptedElf with a legally obtained ELF."
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}
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$elfBytes = [System.IO.File]::ReadAllBytes($sourceElf)
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if ($elfBytes.Length -lt 4 -or $elfBytes[0] -ne 0x7F -or $elfBytes[1] -ne 0x45 -or $elfBytes[2] -ne 0x4C -or $elfBytes[3] -ne 0x46) {
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throw "The supplied executable is not an ELF file."
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}
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$expectedSha256 = "fee2e86c7fe457ab6da463d9fdc16f156a0900adcdaa2fd260206c11907c5d65"
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$actualSha256 = (Get-FileHash -Algorithm SHA256 $sourceElf).Hash.ToLowerInvariant()
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if (!$AllowUnverifiedElf -and $actualSha256 -ne $expectedSha256) {
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throw "Executable SHA-256 does not match the VCS profile. Expected $expectedSha256, got $actualSha256. Use -AllowUnverifiedElf only for development."
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}
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$sysdir = Join-Path $Destination "PSP_GAME\SYSDIR"
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New-Item -ItemType Directory -Force $sysdir | Out-Null
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$destinationElf = Join-Path $sysdir "EBOOT_DECRYPTED.ELF"
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Copy-Item -Force $sourceElf $destinationElf
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Write-Host "Prepared VCS game root: $Destination"
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Write-Host "Executable: $destinationElf"
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Write-Host "SHA-256: $actualSha256"
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