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flash 32-bit-addr is an experimental feature that has multiple dependencies, e.g. flash chip vendor, etc. If CONFIG_BOOTLOADER_CACHE_32BIT_ADDR_QUAD_FLASH can be enabled successfully and tests are passed, we can allow images to be placed on higher-than-16MB flash addresses
Bootloader Support Component ============================ Overview -------- "Bootloader support" contains APIs which are used by the bootloader but are also needed for the main app. Code in this component needs to be aware of being executed in a bootloader environment (no RTOS available, BOOTLOADER_BUILD macro set) or in an esp-idf app environment (RTOS running, need locking support.)