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/*
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* Copyright (c) 2022 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef __SYSFLASH_H__
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#define __SYSFLASH_H__
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#include <devicetree.h>
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#include <mcuboot_config/mcuboot_config.h>
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#if (MCUBOOT_IMAGE_NUMBER == 1)
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/*
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* NOTE: the definition below returns the same values for true/false on
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* purpose, to avoid having to mark x as non-used by all callers when
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* running in single image mode.
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*/
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#define FLASH_AREA_IMAGE_PRIMARY(x) (((x) == 0) ? \
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FLASH_AREA_ID(image_0) : \
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FLASH_AREA_ID(image_0))
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#define FLASH_AREA_IMAGE_SECONDARY(x) (((x) == 0) ? \
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FLASH_AREA_ID(image_1) : \
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FLASH_AREA_ID(image_1))
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#elif (MCUBOOT_IMAGE_NUMBER == 2)
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/* MCUBoot currently supports only up to 2 updateable firmware images.
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* If the number of the current image is greater than MCUBOOT_IMAGE_NUMBER - 1
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* then a dummy value will be assigned to the flash area macros.
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*/
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#define FLASH_AREA_IMAGE_PRIMARY(x) (((x) == 0) ? \
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FLASH_AREA_ID(image_0) : \
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((x) == 1) ? \
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FLASH_AREA_ID(image_2) : \
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255)
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#define FLASH_AREA_IMAGE_SECONDARY(x) (((x) == 0) ? \
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FLASH_AREA_ID(image_1) : \
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((x) == 1) ? \
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FLASH_AREA_ID(image_3) : \
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255)
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#else
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#error "Image slot and flash area mapping is not defined"
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#endif
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#define FLASH_AREA_IMAGE_SCRATCH FLASH_AREA_ID(image_scratch)
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#endif /* __SYSFLASH_H__ */
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