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platform_system_core
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Allow android_dt_dir to be set by bootconfig 

The androidboot.android_dt_dir property is special, because it is loaded
to find out where to get the other DT properties from, and those DT
properties are supposed to override the cmdline/bootconfig ones. So, it
need special casing, and that special case lacked bootconfig support.

Bug: 173815685
Test: launch_cvd -extra_kernel_cmdline androidboot.android_dt_dir=/tmp
[..]
init: Using Android DT directory /tmp
[..]
Change-Id: Ie0958dd0a96394d65f6568653b754ea6f885212e
This commit is contained in:
Alistair Delva 2021-03-09 11:01:10 -08:00
parent f0e39a9dfe
commit 3bb240bd4c
1 changed files with 9 additions and 0 deletions
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9
init/util.cpp
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@ -376,6 +376,15 @@ static std::string init_android_dt_dir() {
android_dt_dir = value;
}
});
// ..Or bootconfig
if (android_dt_dir == kDefaultAndroidDtDir) {
ImportBootconfig([&](const std::string& key, const std::string& value) {
if (key == "androidboot.android_dt_dir") {
android_dt_dir = value;
}
});
}
LOG(INFO) << "Using Android DT directory " << android_dt_dir;
return android_dt_dir;
}