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android_vendor_pawlet/hwupdate/Android.bp
T
oxmc 4e9f147e55 hwupdate: PawletOS hardware/peripheral firmware update subsystem
Adds pawlethwd, a native C++ system_ext daemon (coredomain) that detects
peripherals, checks the hardware update catalog (ota.php?mode=hardware),
verifies payloads, and flashes firmware via authorized handler plugins.

- daemon/: manifest parse, libcurl HTTP + sha256, sysfs USB detection,
  catalog client, dlopen handler registry (fixed path + ABI + allowlist),
  state persistence, orchestration engine, AIDL service, main.
- aidl/: IPawletHardwareUpdate (getComponents/getPendingUpdates/checkNow/...).
- include/pawlet/hwh_abi.h: stable C plugin ABI.
- handlers/usbdfu/: libpawlethwh_usbdfu.so, DFU 1.1 download over libusb.
- sepolicy/: pawlethwd domain, pawlet_hw_data_file, service type.
- schemas/, etc/supported_hardware.default.json, README design doc.
- hwupdate.mk wires packages + ro.pawlet.hardware.manifest + sepolicy dir;
  inherited from config/common.mk.

Trust: a server-named installer handler is honored only if allowlisted in
the immutable supported_hardware.json, maps to a fixed dm-verity-protected
.so path, is ABI/id-checked, and every payload is sha256-verified before a
handler runs.
2026-07-18 01:11:15 -07:00

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// Copyright (C) 2026 oxmc / PawletOS
// SPDX-License-Identifier: Apache-2.0
// Shared handler ABI header, used by the daemon and every handler plugin.
cc_library_headers {
name: "pawlet_hwh_headers",
export_include_dirs: ["include"],
}
// Default image-local hardware manifest. A device tree may install its own
// supported_hardware.json to override this. The schemas/ files are
// documentation/CI artifacts and are intentionally not shipped on-device.
prebuilt_etc {
name: "pawlet_supported_hardware_default",
src: "etc/supported_hardware.default.json",
filename: "supported_hardware.json",
sub_dir: "pawlet",
system_ext_specific: true,
}