1f96182e9SMasahiro Yamada# SPDX-License-Identifier: GPL-2.0 2f96182e9SMasahiro Yamada 3f96182e9SMasahiro Yamada# Create $(fwdir) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a 4f96182e9SMasahiro Yamada# leading /, it's relative to $(srctree). 5f96182e9SMasahiro Yamadafwdir := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE_DIR)) 6f96182e9SMasahiro Yamadafwdir := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir)) 7f96182e9SMasahiro Yamada 8f96182e9SMasahiro Yamadaobj-y := $(addsuffix .gen.o, $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE))) 9f96182e9SMasahiro Yamada 10f96182e9SMasahiro YamadaFWNAME = $(patsubst $(obj)/%.gen.S,%,$@) 11553671b7SLinus Walleijcomma := , 12553671b7SLinus WalleijFWSTR = $(subst $(comma),_,$(subst /,_,$(subst .,_,$(subst -,_,$(FWNAME))))) 13f96182e9SMasahiro YamadaASM_WORD = $(if $(CONFIG_64BIT),.quad,.long) 14f96182e9SMasahiro YamadaASM_ALIGN = $(if $(CONFIG_64BIT),3,2) 15f96182e9SMasahiro YamadaPROGBITS = $(if $(CONFIG_ARM),%,@)progbits 16f96182e9SMasahiro Yamada 17f96182e9SMasahiro Yamadafilechk_fwbin = \ 18f96182e9SMasahiro Yamada echo "/* Generated by $(src)/Makefile */" ;\ 19f96182e9SMasahiro Yamada echo " .section .rodata" ;\ 20*f5ae2ea6SJari Ruusu echo " .p2align 4" ;\ 21f96182e9SMasahiro Yamada echo "_fw_$(FWSTR)_bin:" ;\ 22f96182e9SMasahiro Yamada echo " .incbin \"$(fwdir)/$(FWNAME)\"" ;\ 23f96182e9SMasahiro Yamada echo "_fw_end:" ;\ 24f96182e9SMasahiro Yamada echo " .section .rodata.str,\"aMS\",$(PROGBITS),1" ;\ 25f96182e9SMasahiro Yamada echo " .p2align $(ASM_ALIGN)" ;\ 26f96182e9SMasahiro Yamada echo "_fw_$(FWSTR)_name:" ;\ 27f96182e9SMasahiro Yamada echo " .string \"$(FWNAME)\"" ;\ 28f96182e9SMasahiro Yamada echo " .section .builtin_fw,\"a\",$(PROGBITS)" ;\ 29f96182e9SMasahiro Yamada echo " .p2align $(ASM_ALIGN)" ;\ 30f96182e9SMasahiro Yamada echo " $(ASM_WORD) _fw_$(FWSTR)_name" ;\ 31f96182e9SMasahiro Yamada echo " $(ASM_WORD) _fw_$(FWSTR)_bin" ;\ 32f96182e9SMasahiro Yamada echo " $(ASM_WORD) _fw_end - _fw_$(FWSTR)_bin" 33f96182e9SMasahiro Yamada 34f96182e9SMasahiro Yamada$(obj)/%.gen.S: FORCE 35f96182e9SMasahiro Yamada $(call filechk,fwbin) 36f96182e9SMasahiro Yamada 37f96182e9SMasahiro Yamada# The .o files depend on the binaries directly; the .S files don't. 38f96182e9SMasahiro Yamada$(addprefix $(obj)/, $(obj-y)): $(obj)/%.gen.o: $(fwdir)/% 39f96182e9SMasahiro Yamada 40f96182e9SMasahiro Yamadatargets := $(patsubst $(obj)/%,%, \ 41f96182e9SMasahiro Yamada $(shell find $(obj) -name \*.gen.S 2>/dev/null)) 42