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Add virtual A/B product.

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- Add PRODUCT_VIRTUAL_AB_OTA(_RETROFIT)
- Set ro.virtual_ab.{enabled,retrofit} respectively.

A device will do the following to enable virtual a/b or retrofit:

$(call inherit-product, $(SRC_TARGET_DIR)/product/virtual_ab_ota.mk)
$(call inherit-product, $(SRC_TARGET_DIR)/product/virtual_ab_ota_retrofit.mk)

Bug: 135752105
Test: build with device with flag set
Change-Id: I6cb1207aef3ddcc40e215e20589abf995ec81aac
This commit is contained in:
Yifan Hong
2019-07-23 14:20:29 -07:00
parent 8b8b9b6bf8
commit 7d37b40c6e
3 changed files with 46 additions and 0 deletions
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6
core/product.mk
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@@ -368,6 +368,12 @@ _product_list_vars += PRODUCT_UPDATABLE_BOOT_LOCATIONS
# Whether the product would like to check prebuilt ELF files.
_product_single_value_vars += PRODUCT_CHECK_ELF_FILES
# If set, device uses virtual A/B.
_product_single_value_vars += PRODUCT_VIRTUAL_AB_OTA
# If set, device retrofits virtual A/B.
_product_single_value_vars += PRODUCT_VIRTUAL_AB_OTA_RETROFIT
.KATI_READONLY := _product_single_value_vars _product_list_vars
_product_var_list :=$= $(_product_single_value_vars) $(_product_list_vars)