# Indicate the reserved space for a header, 256B by default
# Notice that it must be 256B aligned. This is restricted by
# the Cortex-M0+/3/4/7 architecture
RIOTBOOT_HDR_LEN ?= 0x100

# By default, slot 0 is found just after RIOTBOOT_LEN. Slot 1 after
# slot 0. The values might be overridden to add more or less offset
# if needed.
SLOT0_OFFSET ?= $(RIOTBOOT_LEN)
SLOT1_OFFSET ?= $(shell echo $$(($(SLOT0_OFFSET) + $(SLOT0_LEN))))

CFLAGS += -DSLOT0_LEN=$(SLOT0_LEN)
CFLAGS += -DSLOT0_OFFSET=$(SLOT0_OFFSET)
CFLAGS += -DSLOT1_LEN=$(SLOT1_LEN)
CFLAGS += -DSLOT1_OFFSET=$(SLOT1_OFFSET)
CFLAGS += -DNUM_SLOTS=$(NUM_SLOTS)