esp-idf/components/soc/Kconfig

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menu "SoC Settings"
# No visible menu/configs for now
visible if 0
menu "MMU Config"
# This Config is used for configure the MMU.
# Be configured based on flash size selection.
# Invisible to users.
config MMU_PAGE_SIZE_16KB
bool
default y if SOC_MMU_PAGE_SIZE_CONFIGURABLE && ESPTOOLPY_FLASHSIZE_1MB
default n
config MMU_PAGE_SIZE_32KB
bool
default y if SOC_MMU_PAGE_SIZE_CONFIGURABLE && ESPTOOLPY_FLASHSIZE_2MB
default n
config MMU_PAGE_SIZE_64KB
bool
default y if !MMU_PAGE_SIZE_32KB && !MMU_PAGE_SIZE_16KB
default n
config MMU_PAGE_MODE
string
default "8KB" if MMU_PAGE_SIZE_8KB
default "16KB" if MMU_PAGE_SIZE_16KB
default "32KB" if MMU_PAGE_SIZE_32KB
default "64KB" if MMU_PAGE_SIZE_64KB
config MMU_PAGE_SIZE
# Some chips support different flash MMU page sizes: 64k, 32k, 16k.
# Since the number of MMU pages is limited, the maximum flash size supported
# for each page size is reduced proportionally: 4 MB, 2MB, 1MB. To make best
# use of small flash sizes (reducing the wasted space due to alignment), we
# need to use the smallest possible MMU page size for the given flash size.
hex
default 0x2000 if MMU_PAGE_SIZE_8KB
default 0x4000 if MMU_PAGE_SIZE_16KB
default 0x8000 if MMU_PAGE_SIZE_32KB
default 0x10000 if MMU_PAGE_SIZE_64KB
endmenu
endmenu