rpone
02f8cdd377
The kernel object produced by the ipados27 build tree is mach.development.bcm2837.unstripped; the .noctf variant is not emitted. Fix the reference in build-sheng-source-drivers.py and all other scripts that contained the wrong suffix. Also update submodule pointers for Adreno740 (preemption A1) and AdrenoMetal (priority forwarding + pass reporter), and regenerate turnip-gmem-mutable-swap.patch to include the NativeAdrenoAbiPriority method-17 call in tu_knl_darwin.cc.
246 lines
14 KiB
Python
246 lines
14 KiB
Python
#!/usr/bin/env python3
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"""Compile sheng storage/input against pinned public source interfaces.
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Produces relocatable objects and archives only. It does not bind an original
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IOKit family, emit a boot image, or qualify the family's private binary ABI.
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"""
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import argparse
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import hashlib
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import importlib.util
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import json
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import os
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from pathlib import Path
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import shlex
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import shutil
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import subprocess
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import tomllib
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ROOT = Path(__file__).resolve().parents[1]
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def sha(path):
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return hashlib.sha256(path.read_bytes()).hexdigest()
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def load_helper(name, path):
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spec = importlib.util.spec_from_file_location(name, path)
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module = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(module)
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return module
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def compile_command(record, source, output, includes, extra):
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arguments = record['arguments']
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command = [arguments[0], *includes]
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index = 1
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replaced = False
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while index < len(arguments):
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value = arguments[index]
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if value == record['file']:
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command.append(str(source))
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replaced = True
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elif value == '-o':
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command.extend(['-o', str(output)])
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index += 1
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elif value in ('-MF', '-MT', '-MQ', '-MJ'):
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index += 1
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elif value in ('-MD', '-MMD', '-MP'):
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pass
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elif value == '-Xclang' and arguments[index + 1].startswith('-W'):
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index += 1
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elif not value.startswith('-W'):
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command.append(value)
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index += 1
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if not replaced:
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raise SystemExit('Kernel compilation record does not contain its source argument')
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command += ['-Wall', '-Wextra', '-Werror', '-Wno-unused-parameter']
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if source.suffix != '.c':
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command += ['-Wno-c99-designator', '-Wno-reorder-init-list',
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'-Wno-deprecated-enum-enum-conversion', '-Wno-unnecessary-virtual-specifier']
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command += ['-mgeneral-regs-only', '-MD', '-MF', str(output.with_suffix('.d')), *extra]
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return command
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def nm(path, mode):
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return set(subprocess.check_output(['xcrun', 'nm', '-j', mode, str(path)], text=True).splitlines())
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--tree', required=True, type=Path, help='Prepared XNU build tree')
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parser.add_argument('--device', required=True, type=Path, help='UniXNU-sheng checkout')
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parser.add_argument('--profile', type=Path, help='OS profile.toml (default: the os_profile of the device board.toml)')
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parser.add_argument('--storage-source', type=Path)
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parser.add_argument('--hid-source', type=Path)
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parser.add_argument('--touch-firmware', type=Path, help='Extracted Novatek firmware; defaults to the device cache')
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parser.add_argument('--with-storage-family', action='store_true',
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help='Also compile the public IOStorageFamily kernel sources and generated IIG implementation')
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args = parser.parse_args()
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tree, device = args.tree.resolve(), args.device.resolve()
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if args.profile is None:
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board = tomllib.loads((device / 'board.toml').read_text())
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args.profile = ROOT / 'profiles/os' / board['board']['os_profile'] / 'profile.toml'
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profile = tomllib.loads(args.profile.read_text())
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pins = {entry['name']: entry for entry in profile.get('source', [])}
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for family in ('IOStorageFamily', 'IOHIDFamily'):
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if not pins.get(family, {}).get('commit'):
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parser.error(f'{args.profile}: missing explicit {family} source pin')
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os_profile = profile['os']
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os.environ['UNIXNU_XNU_ARCH'] = os_profile['arch']
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os.environ['UNIXNU_IOS_VERSION'] = os_profile['ios_version']
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target = load_helper('source_driver_target', ROOT / 'scripts/kernel_target.py')
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storage_helper = load_helper('source_storage_headers', ROOT / 'scripts/prepare-storage-headers.py')
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storage = (args.storage_source or tree / 'refer/IOStorageFamily').resolve()
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hid = (args.hid_source or tree / 'refer/IOHIDFamily').resolve()
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storage_helper.pinned_source(hid, pins['IOHIDFamily']['commit'])
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storage_helper.pinned_source(storage, pins['IOStorageFamily']['commit'])
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recipe = tree / 'build/xnu/ios-obj/DEVELOPMENT_ARM64_BCM2837/iokit/DEVELOPMENT/IOPlatformExpert.cpo.json'
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record = json.loads(recipe.read_text().strip().rstrip(','))
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c_recipe = tree / 'build/xnu/ios-obj/DEVELOPMENT_ARM64_BCM2837/osfmk/DEVELOPMENT/startup.o.json'
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c_record = json.loads(c_recipe.read_text().strip().rstrip(','))
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# Audit the existing object too, before compiling with a possibly stale recipe.
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kernel_object = Path(record['directory']) / 'IOPlatformExpert.cpo'
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target.check_object(kernel_object.read_bytes(), 'Kernel compilation recipe')
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target.check_object((Path(c_record['directory']) / 'startup.o').read_bytes(), 'Kernel C compilation recipe')
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kernel = tree / 'build/xnu/ios-obj/DEVELOPMENT_ARM64_BCM2837/mach.development.bcm2837.unstripped'
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out = tree / 'build/sheng-source-drivers'
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out.mkdir(parents=True, exist_ok=True)
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manifest = out / 'report.json'
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manifest.unlink(missing_ok=True)
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header_report = storage_helper.prepare(storage, pins['IOStorageFamily']['commit'], out / 'headers')
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include = out / 'headers/include'
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for source_dir, relative in ((hid / 'IOHIDFamily', 'IOKit/hid'),
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(hid / 'IOHIDSystem/IOKit/hidsystem', 'IOKit/hidsystem')):
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destination = include / relative
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destination.mkdir(parents=True, exist_ok=True)
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for path in sorted(source_dir.glob('*.h')):
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shutil.copyfile(path, destination / path.name)
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sdk = Path(header_report['sdk'])
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sdk_kernel = sdk / 'System/Library/Frameworks/Kernel.framework/Versions/A/Headers'
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# XNU's own headers retain precedence. The SDK supplies generated HIDDriverKit
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# declarations missing from the source checkout; used inputs are hashed below.
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includes = ['-I', str(include), '-idirafter', str(sdk_kernel)]
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extra = ['-I', str(tree / '.cache/xnu-work/osfmk')]
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firmware = (args.touch_firmware or device / '.cache/firmware/novatek/novatek_nt36532_n81a_fw_csot.bin').resolve()
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data = firmware.read_bytes()
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if not data:
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raise SystemExit(f'{firmware}: empty touch firmware')
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firmware_source = out / 'NvtFirmware.c'
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firmware_source.write_text('/* Generated vendor firmware; build output only. */\n#include <stdint.h>\n'
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f'const uint32_t native_touch_firmware_size = {len(data)};\n'
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f'const uint8_t native_touch_firmware[{len(data)}] = {{' +
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','.join(str(value) for value in data) + '};\n')
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components = {
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'ShengUfs': [(device / 'drivers/ShengUfs/NativeUfs.cpp', [
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'-DNATIVE_VERIFIED_BLOCK=1', '-DNATIVE_VERIFIED_BLOCK_MULTI_POLICY=1',
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'-I', str(ROOT / 'kits/VerifiedRoot/include'), '-I', str(ROOT / 'drivers/VirtioMmioBlock')])],
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'ShengHidInput': [(device / 'drivers/ShengHidInput/NativeHidInput.cpp', ['-DNATIVE_HID_SOURCE_API=1'])],
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'ShengInputTransport': [(device / 'package/TouchProbe.cpp', [
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'-I', str(ROOT / 'drivers/QcomGeniSpi'), '-I', str(device / 'drivers/ShengNovatekTouch')]),
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(device / 'package/ButtonProbe.cpp', []),
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(ROOT / 'drivers/QcomGeniSpi/GeniSpi.c', []),
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(device / 'drivers/ShengNovatekTouch/NvtProtocol.c', []),
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(device / 'drivers/ShengNovatekTouch/NvtTouchCore.c', []),
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(firmware_source, [])],
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}
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generation = None
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if args.with_storage_family:
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generated = out / 'storage-generated'
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generated.mkdir(exist_ok=True)
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driver_sdk = Path(subprocess.check_output(['xcrun', '--sdk', 'driverkit', '--show-sdk-path'], text=True).strip())
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definition = storage / 'BlockStorageDeviceDriverKit/IOUserBlockStorageDevice.iig'
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header, implementation = generated / 'IOUserBlockStorageDevice.h', generated / 'IOUserBlockStorageDevice.iig.cpp'
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generate = ['xcrun', 'iig', '--def', str(definition), '--header', str(header),
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'--impl', str(implementation), '--', '-x', 'c++', '-std=gnu++17',
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'-fno-exceptions', '-fno-rtti', '-D__IIG=1', '-DPLATFORM_DriverKit=1',
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'-isysroot', str(driver_sdk), '-iframework',
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str(driver_sdk / 'System/DriverKit/System/Library/Frameworks'),
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'-idirafter', str(driver_sdk / 'System/DriverKit/usr/include')]
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(generated / 'command.json').write_text(json.dumps(generate, indent=2) + '\n')
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result = subprocess.run(generate, text=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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(generated / 'generate.log').write_text(result.stdout)
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if result.returncode:
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raise SystemExit(f'IIG generation failed:\n{result.stdout}')
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generation = dict(definition_sha256=sha(definition), header_sha256=sha(header),
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implementation_sha256=sha(implementation), sdk=str(driver_sdk),
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sdk_iig_inputs={str(p): sha(p) for p in sorted(driver_sdk.rglob('*.iig'))})
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# PBXSourcesBuildPhase of Apple's IOStorageFamily kernel target, plus
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# the implementation generated from its IIG input. Keep Apple source
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# warnings visible without treating them as errors in owned code.
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names = ['IOAppleLabelScheme', 'IOApplePartitionScheme', 'IOBlockStorageDevice',
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'IOBlockStorageDriver', 'IOFDiskPartitionScheme', 'IOFilterScheme',
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'IOGUIDPartitionScheme', 'IOMedia', 'IOMediaBSDClient', 'IOPartitionScheme',
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'IORequest', 'IORequestsPool', 'IOStorage', 'IOUserBlockStorageDevice_kext']
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family_flags = ['-I', str(storage), '-I', str(generated), '-Wno-error']
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components['IOStorageFamily'] = [(storage / (name + '.cpp'), family_flags) for name in names]
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components['IOStorageFamily'].append((implementation, family_flags))
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kernel_exports = nm(kernel, '-gU')
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entries = {}
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for component, sources in components.items():
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objects, details = [], []
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archive = out / ('lib' + component + '.a')
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archive.unlink(missing_ok=True)
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for source, flags in sources:
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output = out / (source.stem + '.o')
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output.unlink(missing_ok=True)
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source_record = c_record if source.suffix == '.c' else record
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command = compile_command(source_record, source, output, includes, extra + flags)
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(out / (source.stem + '.command.json')).write_text(json.dumps(command, indent=2) + '\n')
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result = subprocess.run(command, cwd=source_record['directory'], text=True,
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stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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(out / (source.stem + '.log')).write_text(result.stdout)
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if result.returncode:
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raise SystemExit(f'{source.name}: compile failed\n{result.stdout[-5000:]}')
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target.check_object(output.read_bytes(), source.name)
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dependencies = {}
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deptext = output.with_suffix('.d').read_text().replace('\\\n', '')
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for name in shlex.split(deptext.split(':', 1)[1]):
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path = Path(name)
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if not path.is_absolute():
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path = Path(source_record['directory']) / path
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dependencies[str(path.resolve())] = sha(path)
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(out / (source.stem + '.inputs.json')).write_text(json.dumps(dependencies, indent=2) + '\n')
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imports = nm(output, '-u')
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details.append(dict(source=str(source), source_sha256=sha(source), object=str(output),
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object_sha256=sha(output), undefined_symbols=sorted(imports),
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warnings=sum('warning:' in line for line in result.stdout.splitlines())))
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objects.append(output)
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subprocess.run(['xcrun', 'ar', 'rcs', str(archive), *map(str, objects)], check=True)
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entries[component] = dict(archive=str(archive), archive_sha256=sha(archive), objects=details)
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print(f'PASS: {component}: {target.TRIPLE} relocatable objects')
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partial = out / 'source-drivers.partial.o'
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partial.unlink(missing_ok=True)
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link = ['xcrun', 'ld', '-r', '-arch', target.ARCH, '-platform_version', 'ios',
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target.IOS_VERSION, target.IOS_VERSION, '-o', str(partial), '-all_load',
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*[entry['archive'] for entry in entries.values()]]
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(out / 'partial-link-command.json').write_text(json.dumps(link, indent=2) + '\n')
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result = subprocess.run(link, text=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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(out / 'partial-link.log').write_text(result.stdout)
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if result.returncode:
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raise SystemExit(f'Relocatable link failed:\n{result.stdout}')
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target.check_object(partial.read_bytes(), 'Combined source drivers')
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report = dict(profile=str(args.profile.resolve()), profile_sha256=sha(args.profile),
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build_scripts={str(path): sha(path) for path in (
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Path(__file__), ROOT / 'scripts/prepare-storage-headers.py', ROOT / 'scripts/kernel_target.py')},
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target=target.TRIPLE, recipe=str(recipe), recipe_sha256=sha(recipe),
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c_recipe=str(c_recipe), c_recipe_sha256=sha(c_recipe),
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kernel=str(kernel), kernel_sha256=sha(kernel),
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source_pins={name: pins[name] for name in ('IOStorageFamily', 'IOHIDFamily')},
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sdk=str(sdk), components=entries,
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storage_family_iig=generation,
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touch_firmware=dict(path=str(firmware), sha256=sha(firmware), size=len(data)),
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partial_link=dict(object=str(partial), sha256=sha(partial), passed=True),
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unresolved_after_native_kernel=sorted(nm(partial, '-u') - kernel_exports),
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compile_pass=True, link_qualified=False, runtime_qualified=False,
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edge_gestures_qualified=False,
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limitations=['Family imports have no target binding in this build.',
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'HID diagnostics/startup and verified-root policy/crypto objects are not bundled.',
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'Source HID mode does not install the Darwin 23 edge-event vtable patch.',
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'macOS public source headers and generated SDK headers do not prove the iPadOS binary ABI.'])
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manifest.write_text(json.dumps(report, indent=2) + '\n')
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print(f'Compile audit: {manifest}; linking and runtime remain unqualified')
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if __name__ == '__main__':
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main()
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