CFLAGS += -DCPU_FAM_STM32$(call uppercase_and_underscore,$(CPU_FAM))

# For stm32 cpu's we use the generic stm32.ld linker script
LINKER_SCRIPT ?= stm32.ld

# Include riotboot specific variables
include $(RIOTCPU)/stm32/stm32_riotboot.mk

# Compute ROM_LEN and RAM_LEN
include $(RIOTCPU)/stm32/stm32_mem_lengths.mk
KB := 1024
ROM_LEN_K := $(shell echo $(ROM_LEN) | sed 's/K//')

ifeq (stm32wb55rg,$(CPU_MODEL))
  # adjust RAM_LEN and ROM_LEN according to CPU2 RAM_LEN and ROM_LEN
  RAM_LEN_K := $(shell echo $(RAM_LEN) | sed 's/K//')
  CPU2_RAM_LEN_K := $(shell echo $(CPU2_RAM_LEN) | sed 's/K//')
  RAM_LEN := $(shell echo $$(( ($(RAM_LEN_K) - $(CPU2_RAM_LEN_K) ) ))K)

  CPU2_ROM_LEN_K := $(shell echo $(CPU2_ROM_LEN) | sed 's/K//')
  FLASHSIZE := $(shell echo $$(( ($(ROM_LEN_K) - $(CPU2_ROM_LEN_K) )* $(KB) )) )
  ROM_LEN := $(shell echo $$(( ($(ROM_LEN_K) - $(CPU2_ROM_LEN_K) ) ))K)
else
  FLASHSIZE := $(shell echo $$(( $(ROM_LEN_K) * $(KB) )) )
endif

# Get CPU_LINE_ variable
include $(RIOTCPU)/stm32/stm32_line.mk
CPU_LINE ?= $(shell echo $(CPU_MODEL) | cut -c -9 | tr 'a-z-' 'A-Z_')xx

# Set CFLAGS
CFLAGS += -D$(CPU_LINE) -DCPU_LINE_$(CPU_LINE)
CFLAGS += -DSTM32_FLASHSIZE=$(FLASHSIZE)U

info-stm32:
	@$(COLOR_ECHO) "CPU: $(CPU_MODEL)"
	@$(COLOR_ECHO) "\tLine: $(CPU_LINE)"
	@$(COLOR_ECHO) "\tPin count:\t$(STM32_PINS)"
	@$(COLOR_ECHO) "\tROM size:\t$(ROM_LEN) ($(FLASHSIZE) Bytes)"
	@$(COLOR_ECHO) "\tRAM size:\t$(RAM_LEN)"

ifneq (,$(CCMRAM_LEN))
  LINKFLAGS += $(LINKFLAGPREFIX)--defsym=_ccmram_length=$(CCMRAM_LEN)
endif

VECTORS_O ?= $(BINDIR)/stm32_vectors/vectors_$(CPU_FAM).o

include $(RIOTMAKE)/arch/cortexm.inc.mk