xyou
f1a2a110d7
Add the current OS source tree, build scripts, system image layout, and development notes covering DMA page allocation, e1000 bring-up, net API dispatch, and DHCP work in progress.
106 lines
3.6 KiB
PowerShell
106 lines
3.6 KiB
PowerShell
$ErrorActionPreference = 'Stop'
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$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
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$Root = Split-Path -Parent (Split-Path -Parent (Split-Path -Parent $ScriptDir))
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$Source = Join-Path $Root 'CODE\DKM\stub_driver\stub_driver.c'
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$Manifest = Join-Path $Root 'SYSTEM\driver\manifest.json'
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$SystemDriver = Join-Path $Root 'SYSTEM\driver'
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$BuildDir = Join-Path $Root '.build_tmp\drivers'
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function Find-Tool($Name, $ExtraNames = @()) {
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$names = @($Name) + $ExtraNames
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foreach ($n in $names) {
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$cmd = Get-Command $n -ErrorAction SilentlyContinue
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if ($cmd) { return $cmd.Source }
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}
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$dirs = @(
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'C:\Program Files\LLVM\bin',
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'C:\Program Files (x86)\LLVM\bin',
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'C:\LLVM\bin',
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'D:\LLVM\bin',
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'D:\Program Files\LLVM\bin',
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'D:\Code\LLVM\bin',
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'C:\msys64\clang64\bin',
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'C:\msys64\mingw64\bin',
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'C:\mingw64\bin'
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)
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foreach ($dir in $dirs) {
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foreach ($n in $names) {
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$candidate = Join-Path $dir $n
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if (Test-Path $candidate) { return $candidate }
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if (-not $n.EndsWith('.exe')) {
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$candidateExe = Join-Path $dir "$n.exe"
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if (Test-Path $candidateExe) { return $candidateExe }
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}
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}
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}
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return $null
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}
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function Get-DriverClassValue([string]$Class) {
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switch ($Class) {
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'platform' { return 1 }
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'bus' { return 2 }
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'interrupt' { return 3 }
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'timer' { return 4 }
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'console' { return 5 }
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'storage' { return 6 }
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'fs' { return 7 }
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'fs-core' { return 8 }
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'net' { return 9 }
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'input' { return 10 }
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'gpu' { return 11 }
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default { return 0 }
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}
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}
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$clang = Find-Tool 'clang'
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$lld = Find-Tool 'ld.lld'
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if (-not $clang) {
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throw 'clang was not found. Install LLVM/Clang.'
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}
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if (-not $lld) {
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throw 'ld.lld was not found. Install LLVM lld.'
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}
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New-Item -ItemType Directory -Force -Path $BuildDir | Out-Null
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$manifestData = Get-Content -Raw -LiteralPath $Manifest | ConvertFrom-Json
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$count = 0
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foreach ($stage in $manifestData.stages) {
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foreach ($driver in $stage.drivers) {
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$relative = [string]$driver.path
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if (-not $relative.StartsWith('driver/')) {
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throw "Unexpected driver path: $relative"
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}
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$destRelative = $relative.Substring('driver/'.Length).Replace('/', '\')
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$dest = Join-Path $SystemDriver $destRelative
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$destDir = Split-Path -Parent $dest
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New-Item -ItemType Directory -Force -Path $destDir | Out-Null
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$name = [string]$driver.name
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$classValue = Get-DriverClassValue ([string]$driver.class)
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$stageValue = [int]$stage.id
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$flags = 0
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if ([bool]$driver.required) { $flags = $flags -bor 1 }
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if ($stageValue -le 1) { $flags = $flags -bor 2 }
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$obj = Join-Path $BuildDir "$name.o"
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$drv = Join-Path $BuildDir "$name.drv"
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$driverNameDefine = 'DRIVER_NAME=' + $name
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& $clang -target x86_64-unknown-none -std=c11 -ffreestanding -fno-stack-protector -fno-pic -fno-pie -mno-red-zone -Wall -Wextra -O2 -c $Source -o $obj "-D$driverNameDefine" "-DDRIVER_CLASS=$classValue" "-DDRIVER_STAGE=$stageValue" "-DDRIVER_FLAGS=$flags"
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if ($LASTEXITCODE -ne 0) { throw "failed to compile stub driver: $name" }
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& $lld -r -o $drv $obj
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if ($LASTEXITCODE -ne 0) { throw "failed to link stub driver: $name" }
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Copy-Item -LiteralPath $drv -Destination $dest -Force
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Write-Host "[drivers] installed $relative"
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$count++
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}
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}
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Write-Host "[drivers] installed $count DKM stub drivers"
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