/* Linker script to configure memory regions. */ SEARCH_DIR(.) GROUP(-lgcc -lc -lnosys) MEMORY { /** Flash start address for the bootloader. This setting will also be stored in UICR to allow the * MBR to init the bootloader when starting the system. This value must correspond to * BOOTLOADER_REGION_START found in dfu_types.h. The system is prevented from starting up if * those values do not match. The check is performed in main.c, see * APP_ERROR_CHECK_BOOL(*((uint32_t *)NRF_UICR_BOOT_START_ADDRESS) == BOOTLOADER_REGION_START); */ FLASH (rx) : ORIGIN = 0x74000, LENGTH = 0x7E000-0x74000 /* 40 KB */ /** Location of mbr params page in flash. */ MBR_PARAMS_PAGE (rw) : ORIGIN = 0x7E000, LENGTH = 0x1000 /** Location of bootloader setting in flash. */ BOOTLOADER_SETTINGS (rw) : ORIGIN = 0x7F000, LENGTH = 0x1000 /** RAM Region for bootloader. */ RAM (rwx) : ORIGIN = 0x20008000, LENGTH = 0x20010000-0x20008000 /* Location for double reset detection, no init */ DBL_RESET (rwx) : ORIGIN = 0x20007F7C, LENGTH = 0x04 /** Location of non initialized RAM. Non initialized RAM is used for exchanging bond information * from application to bootloader when using buttonluss DFU OTA. */ NOINIT (rwx) : ORIGIN = 0x20007F80, LENGTH = 0x80 /** Location in UICR where bootloader start address is stored. */ UICR_BOOTLOADER (r) : ORIGIN = 0x10001014, LENGTH = 0x04 /** Location in UICR where mbr params page address is stored. */ UICR_MBR_PARAM_PAGE(r) : ORIGIN = 0x10001018, LENGTH = 0x04 } SECTIONS { .fs_data_out ALIGN(4): { PROVIDE( __start_fs_data = .); KEEP(*(fs_data)) PROVIDE( __stop_fs_data = .); } = 0 /* Place the bootloader settings page in flash. */ .bootloaderSettings(NOLOAD) : { } > BOOTLOADER_SETTINGS /* Write the bootloader address in UICR. */ .uicrBootStartAddress : { KEEP(*(.uicrBootStartAddress)) } > UICR_BOOTLOADER /* Place the mbr params page in flash. */ .mbrParamsPage(NOLOAD) : { } > MBR_PARAMS_PAGE /* Write the bootloader address in UICR. */ .uicrMbrParamsPageAddress : { KEEP(*(.uicrMbrParamsPageAddress)) } > UICR_MBR_PARAM_PAGE .dbl_reset(NOLOAD) : { } > DBL_RESET /* No init RAM section in bootloader. Used for bond information exchange. */ .noinit(NOLOAD) : { } > NOINIT /* other placements follow here... */ } INCLUDE "nrf_common.ld"