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Better AVD support

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This commit is contained in:
topjohnwu
2023-04-04 02:04:49 -07:00
parent 762b70ba9d
commit 24ba4ab95b
2 changed files with 30 additions and 11 deletions
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7
native/src/core/bootstages.cpp
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@@ -126,9 +126,11 @@ string find_preinit_device() {
} matched = UNKNOWN;
bool encrypted = getprop("ro.crypto.state") == "encrypted";
bool mount = getuid() == 0 && getenv("MAGISKTMP");
bool make_dev = mount && getenv("MAKEDEV");
string preinit_source;
string preinit_dir;
dev_t preinit_dev;
for (const auto &info: parse_mount_info("self")) {
if (info.target.ends_with(PREINITMIRR))
@@ -180,6 +182,7 @@ string find_preinit_device() {
if (mount) {
preinit_dir = resolve_preinit_dir(info.target.data());
preinit_dev = info.device;
}
preinit_source = info.source;
}
@@ -189,6 +192,10 @@ string find_preinit_device() {
mkdirs(preinit_dir.data(), 0700);
mkdirs(mirror_dir.data(), 0700);
xmount(preinit_dir.data(), mirror_dir.data(), nullptr, MS_BIND, nullptr);
if (make_dev) {
auto dev_path = string(getenv("MAGISKTMP")) + "/" PREINITDEV;
xmknod(dev_path.data(), S_IFBLK | 0600, preinit_dev);
}
}
return preinit_source.empty() ? "" : basename(preinit_source.data());
}