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客户需求,增加一个可读写的分区,用于存放数据,且需保证ota升级数据不会改变、丢失。
平台:RK3588 & Android13 & kernel-5.10
内容:增加用于存储数据的可读性分区
- --- a/rk3588_an13/device/rockchip/common/build/rockchip/Partitions.mk
- +++ b/rk3588_an13/device/rockchip/common/build/rockchip/Partitions.mk
- @@ -62,7 +62,8 @@ else
- ifeq ($(BUILD_WITH_GO_OPT), true)
- BOARD_SUPER_PARTITION_SIZE ?= 2516582400
- else
- - BOARD_SUPER_PARTITION_SIZE ?= 3263168512
- + #BOARD_SUPER_PARTITION_SIZE ?= 3263168512
- + BOARD_SUPER_PARTITION_SIZE ?= 3982962688
- endif
- BOARD_ROCKCHIP_DYNAMIC_PARTITIONS_SIZE ?= $(shell expr $(BOARD_SUPER_PARTITION_SIZE) - 4194304)
- else
-
- --- a/rk3588_an13/device/rockchip/common/build/rockchip/RebuildParameter.mk
- +++ b/rk3588_an13/device/rockchip/common/build/rockchip/RebuildParameter.mk
- @@ -38,6 +38,12 @@ ifneq ($(strip $(BOARD_WITH_SPECIAL_PARTITIONS)), )
- partition_list := $(partition_list),$(BOARD_WITH_SPECIAL_PARTITIONS)
- endif
-
- +# Add ist file partition
- +ifneq ($(strip $(BOARD_WITH_IST_PARTITIONS)), )
- +partition_list := $(partition_list),$(BOARD_WITH_IST_PARTITIONS)
- +endif
- +# Add ist file partition
- +
- ifeq ($(strip $(BOARD_SUPER_PARTITION_GROUPS)),rockchip_dynamic_partitions)
- partition_list := $(partition_list),super:$(BOARD_SUPER_PARTITION_SIZE)
- else # BOARD_USE_DYNAMIC_PARTITIONS
-
- --- a/rk3588_an13/device/rockchip/common/scripts/fstab_tools/fstab.in
- +++ b/rk3588_an13/device/rockchip/common/scripts/fstab_tools/fstab.in
- @@ -14,6 +14,11 @@ ${_block_prefix}odm /odm ext4 ro,barrier=1 ${_flags},first_stage_mount
- /dev/block/by-name/metadata /metadata ext4 nodev,noatime,nosuid,discard,sync wait,formattable,first_stage_mount,check
- /dev/block/by-name/misc /misc emmc defaults defaults
-
- +# Add ist file partition
- +/dev/block/by-name/istoragefs /istoragefs ext4 noatime,nodiratime,nosuid,nodev,noauto_da_alloc,discard wait,check
- +/dev/block/by-name/istorage /istorage emmc defaults defaults
- +# Add ist file partition
- +
- /devices/platform/*usb* auto vfat defaults voldmanaged=usb:auto
-
- --- a/rk3588_an13/device/rockchip/common/sepolicy/private/file_contexts
- +++ b/rk3588_an13/device/rockchip/common/sepolicy/private/file_contexts
- @@ -3,3 +3,21 @@
-
- # All Rockchip configs
- /data/misc/cfg_rockchip(/.*)? u:object_r:rockchip_config_data_file:s0
- +
- +# Add ist file partition
- +/istorage(/.*)? u:object_r:cache_file:s0
- +/istoragefs(/.*)? u:object_r:cache_file:s0
- +
-
- --- a/rk3588_an13/device/rockchip/rk3588/rk3588_t/BoardConfig.mk
- +++ b/rk3588_an13/device/rockchip/rk3588/rk3588_t/BoardConfig.mk
- @@ -33,7 +33,12 @@ ifeq ($(strip $(BOARD_USES_AB_IMAGE)), true)
- endif
-
- PRODUCT_UBOOT_CONFIG := rk3588
- -PRODUCT_KERNEL_DTS := rk3588-evb1-lp4-v10
- +
- +# Add ist file partition
- +BOARD_WITH_IST_PARTITIONS := istorage:128M,istoragefs:256M
- +# Add ist file partition
- +
- +PRODUCT_KERNEL_DTS := rk3588-evb7-lp4-v10
- BOARD_GSENSOR_MXC6655XA_SUPPORT := true
- BOARD_CAMERA_SUPPORT_EXT := true
- BOARD_HS_ETHERNET := true
-
- --- a/rk3588_an13/system/core/rootdir/Android.mk
- +++ b/rk3588_an13/system/core/rootdir/Android.mk
- @@ -134,6 +134,10 @@ LOCAL_POST_INSTALL_CMD += ; ln -sf /vendor/odm/overlay $(TARGET_ROOT_OUT)/odm/ov
- LOCAL_POST_INSTALL_CMD += ; ln -sf /vendor/odm/priv-app $(TARGET_ROOT_OUT)/odm/priv-app
- LOCAL_POST_INSTALL_CMD += ; ln -sf /vendor/odm/usr $(TARGET_ROOT_OUT)/odm/usr
-
- +# Add ist file partition
- +LOCAL_POST_INSTALL_CMD += ; mkdir -p $(TARGET_ROOT_OUT)/istorage
- +LOCAL_POST_INSTALL_CMD += ; mkdir -p $(TARGET_ROOT_OUT)/istoragefs
- +# Add ist file partition
-
- # For /vendor_dlkm partition.
- LOCAL_POST_INSTALL_CMD += ; mkdir -p $(TARGET_ROOT_OUT)/vendor_dlkm
-
- --- a/rk3588_an13/mkimage.sh
- +++ b/rk3588_an13/mkimage.sh
- @@ -223,6 +223,13 @@ then
- fi
- fi
-
- +# Add ist file partition
- +# 65536 = (256M *1024 / 4)
- +mke2fs -M /istoragefs -t ext4 -b 4096 vendor/istoragefs.img 65536
- +e2fsdroid -e -f vendor/istoragefs -a /istoragefs vendor/istoragefs.img
- +cp -a vendor/istoragefs.img $IMAGE_PATH/istoragefs.img
- +# Add ist file partition
- +
- if [ $TARGET == $BOOT_OTA ]
- then
- if [ "$PRODUCT_USE_DYNAMIC_PARTITIONS" = "true" ]; then

完成后直接将数据存放与系统根目录下 istoragefs文件夹即可。
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