commit | 19a6c306bea647f2efc65dbe3265ec7d766e910f | [log] [tgz] |
---|---|---|
author | Gregory Montoir <gmontoir@google.com> | Wed Jul 27 13:58:23 2022 +0800 |
committer | Gregory Montoir <gmontoir@google.com> | Wed Jul 27 14:08:04 2022 +0800 |
tree | 504947766e79054d3930c056e1f0392158a62bed | |
parent | 98624236983c15110a6043071b49ecc97e17a3b3 [diff] |
Pass hidl-lint files list using Rspfile to soong_zip To avoid 'posix_spawn: Argument list too long' on checkouts with a large number of hidl interfaces. Bug: 240359298 Test: m out/soong/.intermediates/hidl-lint.zip Change-Id: Ia8fb08776287be853c828bcefa4a8f9f9b7cb61b
Full documentation can be found here: https://source.android.com/devices/architecture/hidl/
hidl-gen is a compiler for the HIDL (HAL Interface Design Language) which generates C++ and Java endpoints for RPC mechanisms. The main userspace libraries which this compiler uses can be found at system/libhidl.
m hidl-gen
Note that options for hidl-gen expected to be invoked by the build system are marked with ‘internal’ in the help menu.
hidl-gen -h hidl-gen -o output -L c++-impl -r android.hardware:hardware/interfaces -r android.hidl:system/libhidl/transport android.hardware.nfc@1.0
Some defaults for package roots are also provided
hidl-gen -o output -L c++-impl android.hardware.nfc@1.0 hidl-gen -o output -L vts android.hardware.nfc@1.0 hidl-gen -L hash android.hardware.nfc@1.0
Example command for vendor project
hidl-gen -L c++-impl -r vendor.foo:vendor/foo/interfaces vendor.foo.nfc@1.0
See update-makefiles-helper.sh and update-all-google-makefiles.sh for examples of how to generate HIDL makefiles (using the -Landroidbp option).
NOTE: When using the -Landroidbp option, you can force generated modules to be installed in
/system_ext
rather than other partition by putting a marker file.hidl_for_system_ext
alongside*.hal
files.
NOTE: You can also install the vendor variant of the generated modules to be installed in
/odm
rather than/vendor
by putting a marker file.hidl_for_odm
alongside*.hal
files.
This is a helper tool to convert C headers to valid .hal files.
m c2hal && c2hal -h