esp-idf/components/spiffs/test_spiffs_host/partition_table.csv

# Name,   Type, SubType, Offset,  Size, Flags
# Note: if you change the phy_init or app partition offset, make sure to change the offset in Kconfig.projbuild
nvs,      data, nvs,     0x9000,  0x6000,
phy_init, data, phy,     0xf000,  0x1000,
factory,  app,  factory, 0x10000, 1M,
storage,  data, spiffs,  ,        2M,
spi_flash: Enable flash emulation down to ROM function calls 2018-05-26 14:58:01 +08:00			`# Name, Type, SubType, Offset, Size, Flags`
			`# Note: if you change the phy_init or app partition offset, make sure to change the offset in Kconfig.projbuild`
			`nvs, data, nvs, 0x9000, 0x6000,`
			`phy_init, data, phy, 0xf000, 0x1000,`
			`factory, app, factory, 0x10000, 1M,`
			`storage, data, spiffs, , 2M,`