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https://github.com/RIOT-OS/RIOT.git
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e6c1aec7d0
The family is not called `stm32l4` or `stm32wb` but `l4` and `wb`. That is, the `riotboot` configuration didn't work. A minimum `RIOTBOOT_LEN` of `0x2000` is required for WB.
51 lines
2.5 KiB
Makefile
51 lines
2.5 KiB
Makefile
ifneq (,$(filter $(CPU_FAM),f2 f4 f7))
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# STM32F2/4/7 uses sectors instead of pages, where the minimum sector length is 16KB
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# or 32KB (the first sector), depending on the CPU_MODEL. Therefore RIOTBOOT_LEN must
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# be 16KB or 32kB to cover a whole sector.
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ifneq (,$(filter $(CPU_FAM),f2 f4))
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RIOTBOOT_LEN ?= 0x4000
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else ifneq (,$(filter stm32f722ze,$(CPU_MODEL)))
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RIOTBOOT_LEN ?= 0x4000
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else # others stm32f7
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RIOTBOOT_LEN ?= 0x8000
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endif
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# CPU_IRQ_NUMOF for STM32F2 boards is < 81+16 so (97*4 bytes = 388 bytes ~= 0x200)
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# CPU_IRQ_NUMOF for STM32F4 boards is < 102+16 so (118*4 bytes = 472 bytes ~= 0x200)
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# CPU_IRQ_NUMOF for STM32F7 boards is < 110+16 so (126*4 bytes = 504 bytes ~= 0x200)
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# RIOTBOOT_HDR_LEN can be set to 0x200.
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# Details on alignment requirements for M3 in `cpu/cortexm_common/Makefile.include`.
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RIOTBOOT_HDR_LEN ?= 0x200
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# Sectors don't have the same length. Per bank there can be up to 12 sectors. The
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# first 4 sectors are 16kB long, the 5th is 64kB and the remaining 7 are 128kB.
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# Since flash can only be erased by sector, slots can't overlap over sectors.
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# The most efficient layout comes from removing RIOTBOOT_LEN twice, once at the
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# start of the flash for the bootloader, and a second time at the end of the
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# flash, to get evenly sized and distributed slots.
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SLOT0_LEN ?= $(shell printf "0x%x" $$((($(ROM_LEN:%K=%*1024)-2*$(RIOTBOOT_LEN)) / $(NUM_SLOTS))))
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SLOT1_LEN ?= $(SLOT0_LEN)
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else ifeq (l4,$(CPU_FAM))
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# "The Vector table must be naturally aligned to a power of two whose alignment
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# value is greater than or equal to number of Exceptions supported x 4"
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# CPU_IRQ_NUMOFF for stm32l4 boards is < 95+16 so (111*4 bytes = 444 bytes ~= 0x200)
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# RIOTBOOT_HDR_LEN can be set to 0x200
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RIOTBOOT_HDR_LEN ?= 0x200
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else ifeq (wb,$(CPU_FAM))
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# "The Vector table must be naturally aligned to a power of two whose alignment
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# value is greater than or equal to number of Exceptions supported x 4"
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# CPU_IRQ_NUMOFF for stm32wb boards is < 63+16 so (79*4 bytes = 316 bytes ~= 0x200)
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# RIOTBOOT_HDR_LEN can be set to 0x200
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RIOTBOOT_HDR_LEN ?= 0x200
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# Slot size is determined by "((total_flash_size - RIOTBOOT_LEN) / 2)".
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# If RIOTBOOT_LEN uses an odd number of flashpages, the remainder of the
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# flash cannot be divided by two slots while staying FLASHPAGE_SIZE aligned.
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# 8KB are currently enough, set it to 16KB if USB-DFU or tinyUSB DFU is used
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ifneq (,$(filter usbus_dfu tinyusb_dfu,$(USEMODULE)))
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RIOTBOOT_LEN ?= 0x4000
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else
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RIOTBOOT_LEN ?= 0x2000
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endif
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endif
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