diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-01-11 18:52:00 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-22 10:23:18 +0100 |
| commit | f96182e959a41e35df0adae9ae09a49ff8a618a8 (patch) | |
| tree | e33c62be09a5f40812c888bc7d5722b9aaa81515 /drivers/base/firmware_loader/builtin/Makefile | |
| parent | 91f382a46822c7a2913e6fabb2b882cc0f23144a (diff) | |
firmware_loader: move firmware/ to drivers/base/firmware_loader/builtin/
Currently, the 'firmware' directory only contains a single Makefile
to embed extra firmware into the kernel.
Move it to the more relevant place.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/firmware_loader/builtin/Makefile')
| -rw-r--r-- | drivers/base/firmware_loader/builtin/Makefile | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/base/firmware_loader/builtin/Makefile b/drivers/base/firmware_loader/builtin/Makefile new file mode 100644 index 000000000000..37e5ae387400 --- /dev/null +++ b/drivers/base/firmware_loader/builtin/Makefile @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: GPL-2.0 + +# Create $(fwdir) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a +# leading /, it's relative to $(srctree). +fwdir := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE_DIR)) +fwdir := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir)) + +obj-y := $(addsuffix .gen.o, $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE))) + +FWNAME = $(patsubst $(obj)/%.gen.S,%,$@) +FWSTR = $(subst /,_,$(subst .,_,$(subst -,_,$(FWNAME)))) +ASM_WORD = $(if $(CONFIG_64BIT),.quad,.long) +ASM_ALIGN = $(if $(CONFIG_64BIT),3,2) +PROGBITS = $(if $(CONFIG_ARM),%,@)progbits + +filechk_fwbin = \ + echo "/* Generated by $(src)/Makefile */" ;\ + echo " .section .rodata" ;\ + echo " .p2align $(ASM_ALIGN)" ;\ + echo "_fw_$(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)/, $(obj-y)): $(obj)/%.gen.o: $(fwdir)/% + +targets := $(patsubst $(obj)/%,%, \ + $(shell find $(obj) -name \*.gen.S 2>/dev/null)) |