feat(aarch64): add WHP backend for ARM64 Windows #11

	# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json

	name: Windows ARM64 Smoke Test

	on:
	workflow_dispatch:
	pull_request:

	env:
	CARGO_TERM_COLOR: always
	RUST_BACKTRACE: full

	permissions:
	contents: read

	defaults:
	run:
	shell: pwsh

	jobs:
	smoke:
	runs-on: ["self-hosted", "Windows", "ARM64", "1ES.Pool=hl-windows-arm"]
	timeout-minutes: 30
	steps:
	- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

	- uses: hyperlight-dev/ci-setup-workflow@2f4142ba17cf573af44fc1e1f1ffc743daded5b3 # v1.10.0
	with:
	rust-toolchain: "1.94"
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Check environment
	run: \|
	rustc --version
	cargo --version
	systeminfo \| Select-String "OS Name","OS Version","System Type"

	- name: Configure ARM64 libclang
	run: \|
	$vswhere = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe"
	$installPath = & $vswhere -latest -products * -property installationPath
	$libclang = Join-Path $installPath "VC\Tools\Llvm\ARM64\bin\libclang.dll"
	if (-not (Test-Path $libclang)) {
	throw "ARM64 libclang not found at '$libclang'"
	}
	$llvmPath = Split-Path $libclang
	"LIBCLANG_PATH=$llvmPath" >> $env:GITHUB_ENV
	$llvmPath >> $env:GITHUB_PATH

	- name: Build hyperlight-host
	run: cargo build -p hyperlight-host

	- name: Build guests
	run: just guests
	env:
	HYPERLIGHT_TARGET: aarch64

	- name: Run hyperlight-host tests
	run: cargo test -p hyperlight-host -- --test-threads=1

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