GEN_ISR_TABLE := $(srctree)/arch/common/gen_isr_tables.py
OUTPUT_SRC := isr_tables.c
OUTPUT_OBJ := isr_tables.o

ifeq ($(ARCH),riscv32)
OUTPUT_FORMAT := elf32-littleriscv
else ifeq ($(ARCH),xtensa)
OUTPUT_FORMAT := elf32-xtensa-le
else
OUTPUT_FORMAT := elf32-little$(ARCH)
endif

GEN_ISR_TABLE_EXTRA_ARGS :=

ifeq ($(KBUILD_VERBOSE),1)
GEN_ISR_TABLE_EXTRA_ARGS += --debug
endif

ifeq ($(CONFIG_GEN_SW_ISR_TABLE),y)
GEN_ISR_TABLE_EXTRA_ARGS += --sw-isr-table
endif

ifeq ($(CONFIG_GEN_IRQ_VECTOR_TABLE),y)
GEN_ISR_TABLE_EXTRA_ARGS += --vector-table
endif

# Rule to extract the .intList section from the $(PREBUILT_KERNEL) binary
# and create the source file $(OUTPUT_SRC). This is a C file which contains
# the interrupt tables.
quiet_cmd_gen_irq = IRQ     $@
      cmd_gen_irq = \
( \
	$(OBJCOPY) -I $(OUTPUT_FORMAT) -O binary --only-section=.intList \
		$< isrList.bin && \
	$(GEN_ISR_TABLE) --output-source $@ \
		--intlist isrList.bin $(GEN_ISR_TABLE_EXTRA_ARGS) \
)

$(OUTPUT_SRC): $(PREBUILT_KERNEL) $(GEN_ISR_TABLE)
	$(call cmd,gen_irq)

GENERATED_KERNEL_OBJECT_FILES += $(OUTPUT_OBJ)