# SPDX-License-Identifier: GPL-2.0obj-y  += main.o # Create $(fwdir) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a# leading /, it's relative to $(srctree).fwdir := $(CONFIG_EXTRA_FIRMWARE_DIR)fwdir := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir)) firmware  := $(addsuffix .gen.o, $(CONFIG_EXTRA_FIRMWARE))obj-y += $(firmware) FWNAME    = $(patsubst $(obj)/%.gen.S,%,$@)FWSTR     = $(subst $(comma),_,$(subst /,_,$(subst .,_,$(subst -,_,$(FWNAME)))))ASM_WORD  = $(if $(CONFIG_64BIT),.quad,.long)ASM_ALIGN = $(if $(CONFIG_64BIT),3,2)PROGBITS  = $(if $(CONFIG_ARM),%,@)progbits filechk_fwbin = \	if [ ! -s "$(fwdir)/$(FWNAME)" ]; then				 \		echo "error: empty firmware: $(fwdir)/$(FWNAME)" >&2	;\		exit 1							;\	fi								;\	echo "/* Generated by $(src)/Makefile */"			;\	echo "    .section .rodata"					;\	echo "    .p2align 4"						;\	echo "_fw_$(FWSTR)_bin:"					;\	echo "    .incbin \"$(fwdir)/$(FWNAME)\""			;\	echo "_fw_end:"							;\	echo "    .section .rodata.str,\"aMS\",$(PROGBITS),1"		;\	echo "    .p2align $(ASM_ALIGN)"				;\	echo "_fw_$(FWSTR)_name:"					;\	echo "    .string \"$(FWNAME)\""				;\	echo "    .section .builtin_fw,\"a\",$(PROGBITS)"		;\	echo "    .p2align $(ASM_ALIGN)"				;\	echo "    $(ASM_WORD) _fw_$(FWSTR)_name"			;\	echo "    $(ASM_WORD) _fw_$(FWSTR)_bin"				;\	echo "    $(ASM_WORD) _fw_end - _fw_$(FWSTR)_bin" $(obj)/%.gen.S: FORCE	$(call filechk,fwbin) # The .o files depend on the binaries directly; the .S files don't.$(addprefix $(obj)/, $(firmware)): $(obj)/%.gen.o: $(fwdir)/% targets := $(patsubst $(obj)/%,%, \                                $(shell find $(obj) -name \*.gen.S 2>/dev/null))