1f96182e9SMasahiro Yamada# SPDX-License-Identifier: GPL-2.0 2*48d09e97SLuis Chamberlainobj-y += main.o 3f96182e9SMasahiro Yamada 4f96182e9SMasahiro Yamada# Create $(fwdir) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a 5f96182e9SMasahiro Yamada# leading /, it's relative to $(srctree). 6f96182e9SMasahiro Yamadafwdir := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE_DIR)) 7f96182e9SMasahiro Yamadafwdir := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir)) 8f96182e9SMasahiro Yamada 9*48d09e97SLuis Chamberlainfirmware := $(addsuffix .gen.o, $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE))) 10*48d09e97SLuis Chamberlainobj-y += $(firmware) 11f96182e9SMasahiro Yamada 12f96182e9SMasahiro YamadaFWNAME = $(patsubst $(obj)/%.gen.S,%,$@) 13553671b7SLinus WalleijFWSTR = $(subst $(comma),_,$(subst /,_,$(subst .,_,$(subst -,_,$(FWNAME))))) 14f96182e9SMasahiro YamadaASM_WORD = $(if $(CONFIG_64BIT),.quad,.long) 15f96182e9SMasahiro YamadaASM_ALIGN = $(if $(CONFIG_64BIT),3,2) 16f96182e9SMasahiro YamadaPROGBITS = $(if $(CONFIG_ARM),%,@)progbits 17f96182e9SMasahiro Yamada 18f96182e9SMasahiro Yamadafilechk_fwbin = \ 19f96182e9SMasahiro Yamada echo "/* Generated by $(src)/Makefile */" ;\ 20f96182e9SMasahiro Yamada echo " .section .rodata" ;\ 21f5ae2ea6SJari Ruusu echo " .p2align 4" ;\ 22f96182e9SMasahiro Yamada echo "_fw_$(FWSTR)_bin:" ;\ 23f96182e9SMasahiro Yamada echo " .incbin \"$(fwdir)/$(FWNAME)\"" ;\ 24f96182e9SMasahiro Yamada echo "_fw_end:" ;\ 25f96182e9SMasahiro Yamada echo " .section .rodata.str,\"aMS\",$(PROGBITS),1" ;\ 26f96182e9SMasahiro Yamada echo " .p2align $(ASM_ALIGN)" ;\ 27f96182e9SMasahiro Yamada echo "_fw_$(FWSTR)_name:" ;\ 28f96182e9SMasahiro Yamada echo " .string \"$(FWNAME)\"" ;\ 29f96182e9SMasahiro Yamada echo " .section .builtin_fw,\"a\",$(PROGBITS)" ;\ 30f96182e9SMasahiro Yamada echo " .p2align $(ASM_ALIGN)" ;\ 31f96182e9SMasahiro Yamada echo " $(ASM_WORD) _fw_$(FWSTR)_name" ;\ 32f96182e9SMasahiro Yamada echo " $(ASM_WORD) _fw_$(FWSTR)_bin" ;\ 33f96182e9SMasahiro Yamada echo " $(ASM_WORD) _fw_end - _fw_$(FWSTR)_bin" 34f96182e9SMasahiro Yamada 35f96182e9SMasahiro Yamada$(obj)/%.gen.S: FORCE 36f96182e9SMasahiro Yamada $(call filechk,fwbin) 37f96182e9SMasahiro Yamada 38f96182e9SMasahiro Yamada# The .o files depend on the binaries directly; the .S files don't. 39*48d09e97SLuis Chamberlain$(addprefix $(obj)/, $(firmware)): $(obj)/%.gen.o: $(fwdir)/% 40f96182e9SMasahiro Yamada 41f96182e9SMasahiro Yamadatargets := $(patsubst $(obj)/%,%, \ 42f96182e9SMasahiro Yamada $(shell find $(obj) -name \*.gen.S 2>/dev/null)) 43