Android 新建分区

kernel 

diff --git a/arch/arm64/boot/dts/***/partition_***.dtsi b/arch/arm64/boot/dts/***/partition_***.dtsi

@@ -8,7 +8,7 @@
  */
 / {
     partitions: partitions{
-		parts = <14>;
+		parts = <15>;
 		part-0 = <&logo>;
 		part-1 = <&recovery>;
 		part-2 = <&misc>;
@@ -22,7 +22,8 @@
 		part-10 = <&odm>;
 		part-11 = <&system>;
 		part-12 = <&cache>;
-		part-13 = <&data>;
+		part-13 = <&persistent>;
+		part-14 = <&data>;
 
 		logo:logo{
 			pname = "logo";
@@ -95,6 +96,12 @@
 			size = <0x0 0x25000000>;
 			mask = <2>;
 		};
+		persistent:persistent
+		{
+			pname = "persistent";
+			size = <0x0 0x4000000>;
+			mask = <2>;
+		};
 		data:data
 		{
 			pname = "data";

fstab和selinux

diff --git a/common/sepolicy/file_contexts b/common/sepolicy/file_contexts
index b3fb9f1..05675e1 100644
--- a/common/sepolicy/file_contexts
+++ b/common/sepolicy/file_contexts
@@ -105,6 +105,7 @@
 /sys/module/di/parameters/bypass_all                            u:object_r:sysfs_mpgpu_scale:s0
 /param(/.*)?                  u:object_r:param_tv_file:s0
 /tee(/.*)?                    u:object_r:tee_data_file:s0
+/persistent(/.*)?             u:object_r:tee_data_file:s0
 
 #/vendor/bin/bootplayer       u:object_r:bootvideo_exec:s0
 #/vendor/bin/dv_config        u:object_r:dv_config_exec:s0

diff --git ***
***
@@ -13,4 +13,5 @@
 /dev/block/loop     auto                loop      defaults                                  voldmanaged=loop:auto
 # Add for zram. zramsize can be in numeric (byte) , in percent
 /dev/block/zram0     /swap_zram0             swap      defaults                             wait,zramsize=524288000
-/dev/block/tee       /tee                 ext4      noatime,nosuid,nodev,nodelalloc,nomblk_io_submit,errors=panic    wait,check,formattable
\ No newline at end of file
+/dev/block/tee       /tee                 ext4      noatime,nosuid,nodev,nodelalloc,nomblk_io_submit,errors=panic    wait,check,formattable
+/dev/block/persistent       /persistent                 ext4      noatime,nosuid,nodev,nodelalloc,nomblk_io_submit,errors=panic    wait,check,formattable