GPT分区
https://android.googlesource.com/platform/system/tools/bpt/+/refs/heads/master/README
一定要在Linux系统下使用
device/fsl/imx8q/mek_8q/BoardConfig.mk[...省略] # Support gpt ifeq ($(PRODUCT_IMX_CAR),true) BOARD_BPT_INPUT_FILES += device/fsl/common/partition/device-partitions-13GB-ab-dual-bootloader.bpt ADDITION_BPT_PARTITION = partition-table-7GB:device/fsl/common/partition/device-partitions-7GB-ab-dual-bootloader.bpt \ partition-table-28GB:device/fsl/common/partition/device-partitions-28GB-ab-dual-bootloader.bpt else BOARD_BPT_INPUT_FILES += device/fsl/common/partition/device-partitions-13GB-ab.bpt ADDITION_BPT_PARTITION = partition-table-7GB:device/fsl/common/partition/device-partitions-7GB-ab.bpt \ partition-table-28GB:device/fsl/common/partition/device-partitions-28GB-ab.bpt endif [...省略]device/fsl/imx8q/mek_8q/AndroidBoard.mkLOCAL_PATH := $(call my-dir) include device/fsl/common/build/kernel.mk include device/fsl/common/build/uboot.mk include device/fsl/common/build/dtbo.mk include device/fsl/common/build/imx-recovery.mk include device/fsl/common/build/gpt.mk include $(LOCAL_PATH)/AndroidUboot.mk include $(FSL_PROPRIETARY_PATH)/fsl-proprietary/media-profile/media-profile.mk ifneq ($(PRODUCT_IMX_CAR),true) include $(FSL_PROPRIETARY_PATH)/fsl-proprietary/sensor/fsl-sensor.mk endifdevice/fsl/common/build/gpt.mk# Copyright (C) 2018 The Android Open Source Project # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. ifdef BOARD_BPT_INPUT_FILES IMX_BUILT_BPTIMAGE_TARGET := $(PRODUCT_OUT)/partition-table-default.img IMX_BUILT_BPTJSON_TARGET := $(PRODUCT_OUT)/partition-table-default.bpt IMX_INTERNAL_BVBTOOL_MAKE_TABLE_ARGS := \ --output_gpt $(IMX_BUILT_BPTIMAGE_TARGET) \ --output_json $(IMX_BUILT_BPTJSON_TARGET) \ $(foreach file, $(BOARD_BPT_INPUT_FILES), --input $(file)) ifdef BOARD_BPT_DISK_SIZE IMX_INTERNAL_BVBTOOL_MAKE_TABLE_ARGS += --disk_size $(BOARD_BPT_DISK_SIZE) endif define imx_build-bptimage-target $(call pretty,"Target partition table image: $(IMX_INSTALLED_BPTIMAGE_TARGET)") $(hide) $(BPTTOOL) make_table $(IMX_INTERNAL_BVBTOOL_MAKE_TABLE_ARGS) $(BOARD_BPT_MAKE_TABLE_ARGS) for addition_partition in $(ADDITION_BPT_PARTITION); do \ PARTITION_OUT_IMAGE=`echo $$addition_partition | cut -d":" -f1`; \ PARTITION_INPUT_BPT=`echo $$addition_partition | cut -d":" -f2`; \ $(BPTTOOL) make_table --output_gpt $(PRODUCT_OUT)/$$PARTITION_OUT_IMAGE.img \ --output_json $(PRODUCT_OUT)/$$PARTITION_OUT_IMAGE.bpt --input $$PARTITION_INPUT_BPT \ $(BOARD_BPT_MAKE_TABLE_ARGS); \ done endef IMX_INSTALLED_BPTIMAGE_TARGET := $(IMX_BUILT_BPTIMAGE_TARGET) $(IMX_INSTALLED_BPTIMAGE_TARGET): $(BPTTOOL) $(BOARD_BPT_INPUT_FILES) $(imx_build-bptimage-target) ALL_DEFAULT_INSTALLED_MODULES += $(IMX_INSTALLED_BPTIMAGE_TARGET) endif # BOARD_BPT_INPUT_FILESls -al out/target/product/mek_8q/partition-table*-rw-rw-r-- 1 wugn wugn 6157 Jul 8 22:50 partition-table-28GB.bpt -rw-rw-r-- 1 wugn wugn 34304 Jul 8 22:50 partition-table-28GB.img -rw-rw-r-- 1 wugn wugn 6152 Jul 8 22:50 partition-table-7GB.bpt -rw-rw-r-- 1 wugn wugn 34304 Jul 8 22:50 partition-table-7GB.img -rw-rw-r-- 1 wugn wugn 6156 Jul 8 23:06 partition-table.bpt -rw-rw-r-- 1 wugn wugn 6156 Jul 8 22:50 partition-table-default.bpt -rw-rw-r-- 1 wugn wugn 34304 Jul 8 22:50 partition-table-default.img -rw-rw-r-- 1 wugn wugn 34304 Jul 8 23:06 partition-table.img- 分析：
partition-table-28GB:device/fsl/common/partition/device-partitions-28GB-ab-dual-bootloader.bpt{ "settings": { "disk_size": "28 GiB", "disk_alignment": 2097152, "first_partition_offset": 8388608 }, "partitions": [ { "ab": true, "label": "bootloader", "size": "4 MiB", "guid": "auto", "type_guid": "91af7174-0ecd-483f-8a51-5a46197a4cc3" }, { "ab": true, "label": "dtbo", "size": "4 MiB", "guid": "auto", "type_guid": "b3c54657-8b47-48bc-9792-37b7c091ae69" }, { "ab": true, "label": "boot", "size": "48 MiB", "guid": "auto", "type_guid": "bb499290-b57e-49f6-bf41-190386693794" }, { "ab": true, "label": "system", "size": "1792 MiB", "guid": "auto", "type_guid": "0f2778c4-5cc1-4300-8670-6c88b7e57ed6" }, { "label": "misc", "size": "4 MiB", "guid": "auto", "type_guid": "6b2378b0-0fbc-4aa9-a4f6-4d6e17281c47" }, { "label": "metadata", "size": "2 MiB", "guid": "auto", "type_guid": "b598858a-5fe3-418e-b8c4-824b41f4adfc" }, { "label": "presistdata", "size": "1 MiB", "guid": "auto", "type_guid": "e99d84d7-2c1b-44cf-8c58-effae2dc2558" }, { "ab": true, "label": "vendor", "size": "256 MiB", "guid": "auto", "type_guid": "2578eab2-a534-43e2-92c0-fed1b01c5d1d" }, { "label": "userdata", "grow": true, "guid": "auto", "type_guid": "0bb7e6ed-4424-49c0-9372-7fbab465ab4c" }, { "label": "fbmisc", "size": "1 MiB", "guid": "auto", "type_guid": "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, { "ab": true, "label": "vbmeta", "size": "1 MiB", "guid": "auto", "type_guid": "7d6ea677-fe98-4ffe-9771-f5c3ef6d282c" } ] } - 生成文件：
cat out/target/product/mek_8q/partition-table-28GB.bpt{ "settings": { "ab_suffixes": ["_a", "_b"], "disk_size": 30064771072, "disk_alignment": 2097152, "disk_guid": "2ee04197-d311-486f-9232-21d6c3c991a9" }, "partitions": [ { "label": "bootloader_a", "offset": 8388608, "size": 4194304, "grow": false, "guid": "77974e06-cc8f-47b4-83e0-9710823490d8", "type_guid": "91af7174-0ecd-483f-8a51-5a46197a4cc3", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 }, { "label": "bootloader_b", "offset": 12582912, "size": 4194304, "grow": false, "guid": "c05b79a4-61f6-4925-afbd-fc66bb35b103", "type_guid": "91af7174-0ecd-483f-8a51-5a46197a4cc3", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 }, { "label": "dtbo_a", "offset": 16777216, "size": 4194304, "grow": false, "guid": "459306a0-30c0-419d-adcf-f58f1b6a0571", "type_guid": "b3c54657-8b47-48bc-9792-37b7c091ae69", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 }, { "label": "dtbo_b", "offset": 20971520, "size": 4194304, "grow": false, "guid": "c29de7c8-b8d4-4a86-b4ae-29fcdbb95b60", "type_guid": "b3c54657-8b47-48bc-9792-37b7c091ae69", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 }, { "label": "boot_a", "offset": 25165824, "size": 50331648, "grow": false, "guid": "2b8a6242-5594-429c-8259-cbf9708a72c9", "type_guid": "bb499290-b57e-49f6-bf41-190386693794", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 }, { "label": "boot_b", "offset": 75497472, "size": 50331648, "grow": false, "guid": "b5fbec2b-c7e1-4188-a281-465cdc079773", "type_guid": "bb499290-b57e-49f6-bf41-190386693794", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 }, { "label": "system_a", "offset": 125829120, "size": 1879048192, "grow": false, "guid": "655f82f0-daad-4e73-a006-422236008084", "type_guid": "0f2778c4-5cc1-4300-8670-6c88b7e57ed6", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 }, { "label": "system_b", "offset": 2004877312, "size": 1879048192, "grow": false, "guid": "38d76e89-32b5-437e-9255-3f50ecab2ae9", "type_guid": "0f2778c4-5cc1-4300-8670-6c88b7e57ed6", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 }, { "label": "misc", "offset": 3883925504, "size": 4194304, "grow": false, "guid": "ff0a89b9-7873-4286-8265-860dfd5e589d", "type_guid": "6b2378b0-0fbc-4aa9-a4f6-4d6e17281c47", "flags": "0x0000000000000000", "ignore": false, "ab": false, "ab_expanded": false, "position": 0 }, { "label": "metadata", "offset": 3888119808, "size": 2097152, "grow": false, "guid": "e785b6c9-264e-479f-a555-d17a225beb79", "type_guid": "b598858a-5fe3-418e-b8c4-824b41f4adfc", "flags": "0x0000000000000000", "ignore": false, "ab": false, "ab_expanded": false, "position": 0 }, { "label": "presistdata", "offset": 3890216960, "size": 1048576, "grow": false, "guid": "5c0b706d-5ba9-4704-a656-d42401cd4945", "type_guid": "e99d84d7-2c1b-44cf-8c58-effae2dc2558", "flags": "0x0000000000000000", "ignore": false, "ab": false, "ab_expanded": false, "position": 0 }, { "label": "vendor_a", "offset": 3892314112, "size": 268435456, "grow": false, "guid": "d0f97d37-5d68-4ce5-8d5e-30f7a70cf256", "type_guid": "2578eab2-a534-43e2-92c0-fed1b01c5d1d", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 }, { "label": "vendor_b", "offset": 4160749568, "size": 268435456, "grow": false, "guid": "c8fc0927-38b3-46ea-8170-3fc771292a75", "type_guid": "2578eab2-a534-43e2-92c0-fed1b01c5d1d", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 }, { "label": "userdata", "offset": 4429185024, "size": 25627197440, "grow": true, "guid": "9c351dae-e4a2-412a-8d2a-6602f59e1ed3", "type_guid": "0bb7e6ed-4424-49c0-9372-7fbab465ab4c", "flags": "0x0000000000000000", "ignore": false, "ab": false, "ab_expanded": false, "position": 0 }, { "label": "fbmisc", "offset": 30056382464, "size": 1048576, "grow": false, "guid": "2764b768-627b-4c2e-8a1b-bc5767a3c88c", "type_guid": "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7", "flags": "0x0000000000000000", "ignore": false, "ab": false, "ab_expanded": false, "position": 0 }, { "label": "vbmeta_a", "offset": 30058479616, "size": 1048576, "grow": false, "guid": "e97b709e-b3a3-4540-9dc4-cf3de5b6d60e", "type_guid": "7d6ea677-fe98-4ffe-9771-f5c3ef6d282c", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 }, { "label": "vbmeta_b", "offset": 30060576768, "size": 1048576, "grow": false, "guid": "ebab1887-90f2-474b-8073-a8aa5fa146fb", "type_guid": "7d6ea677-fe98-4ffe-9771-f5c3ef6d282c", "flags": "0x0000000000000000", "ignore": false, "ab": true, "ab_expanded": true, "position": 0 } ] }
- 《Android_User's_Guide.pdf》：最新版本的只有eMMC的介绍，没有SD卡部分32KB、33KB的介绍
cat device-partitions.bpt{ "settings": { "disk_size": "28 GiB", "disk_alignment": 2097152, "first_partition_offset": 8388608 }, "partitions": [ { "label": "boot", "size": "200 MiB", "guid": "auto", "type_guid": "C12A7328-F81F-11D2-BA4B-00A0C93EC93B" // EFI(FAT32格式) https://en.wikipedia.org/wiki/GUID_Partition_Table }, { "label": "fs", "grow": "true", "guid": "auto", "type_guid": "linux_fs" } ] }dpttool.shinputFile=device-partitions /home/wugn/workspace/imx8qm_auto_ga/imx8_p9.0.0_2.1.0_auto_ga/android9.0.0/out/host/linux-x86/bin/bpttool make_table --output_gpt output/${inputFile}.img --output_json output/${inputFile}.bpt --input ${inputFile}.bpt- u-boot:
tmp/deploy/images/imx8qmmek/imx-boot-imx8qmmek-sd.bin - kernel、dts:
tmp/work/imx8qmmek-poky-linux/fsl-image-qt5-validation-imx/1.0-r0/boot.img - uuu lst file:
uuu_version 1.1.29 #uuu scripts for imx8qm revB board Android imx_pi9.0 sd card CFG: FB: -vid 0x1fc9 -pid 0x0129 SDPS: boot -f uuu-u-boot-imx8qm.imx FB: ucmd setenv fastboot_dev mmc FB: ucmd setenv mmcdev 1 FB: ucmd mmc dev 1 FB: flash bootloader0 u-boot-imx8qm-xen-dom0.imx # start from 0 #FB: flash bootloader0 imx-boot-imx8qmmek-sd.bin FB[-t 600000]: flash gpt device-partitions.img FB: ucmd mmc partconf 0 0 1 0 FB: flash boot boot.img # erase environment variables of uboot FB: ucmd mmc erase 0x2000 0x10 FB: done - 比较纠结的是为什么eMMC和TF卡都使用同样的烧录方法，注意偏移32k
