Use /proc/device-tree for reading AVF DT
Although /proc/device-tree is symlink to /sys/firmware/devicetree/base,
/proc/device-tree is the stable API but the absolute path may be
changed in the future.
Bug: 322465386
Test: atest CustomPvmfwHostTestCases
Change-Id: I0d55918b6ec4563135c596649ccfd4bd84284963
diff --git a/microdroid_manager/src/main.rs b/microdroid_manager/src/main.rs
index 8888feb..aa712c6 100644
--- a/microdroid_manager/src/main.rs
+++ b/microdroid_manager/src/main.rs
@@ -68,11 +68,11 @@
use vm_secret::VmSecret;
const WAIT_TIMEOUT: Duration = Duration::from_secs(10);
-const AVF_STRICT_BOOT: &str = "/sys/firmware/devicetree/base/chosen/avf,strict-boot";
-const AVF_NEW_INSTANCE: &str = "/sys/firmware/devicetree/base/chosen/avf,new-instance";
-const AVF_DEBUG_POLICY_RAMDUMP: &str = "/sys/firmware/devicetree/base/avf/guest/common/ramdump";
+const AVF_STRICT_BOOT: &str = "/proc/device-tree/chosen/avf,strict-boot";
+const AVF_NEW_INSTANCE: &str = "/proc/device-tree/chosen/avf,new-instance";
+const AVF_DEBUG_POLICY_RAMDUMP: &str = "/proc/device-tree/avf/guest/common/ramdump";
const DEBUG_MICRODROID_NO_VERIFIED_BOOT: &str =
- "/sys/firmware/devicetree/base/virtualization/guest/debug-microdroid,no-verified-boot";
+ "/proc/device-tree/virtualization/guest/debug-microdroid,no-verified-boot";
const ENCRYPTEDSTORE_BIN: &str = "/system/bin/encryptedstore";
const ZIPFUSE_BIN: &str = "/system/bin/zipfuse";