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net: wan: wanxl: use $(M68KCC) instead of $(M68KAS) for rebuilding firmware

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The firmware source, wanxlfw.S, is currently compiled by the combo of
$(CPP) and $(M68KAS). This is not what we usually do for compiling *.S
files. In fact, this Makefile is the only user of $(AS) in the kernel
build.

Instead of combining $(CPP) and (AS) from different tool sets, using
$(M68KCC) as an assembler driver is simpler, and saner.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2020-03-26 14:57:16 +09:00
parent 63b903dfeb
commit 734f3719d3
1 changed files with 3 additions and 3 deletions
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6
drivers/net/wan/Makefile
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@ -40,16 +40,16 @@ $(obj)/wanxl.o: $(obj)/wanxlfw.inc
ifeq ($(CONFIG_WANXL_BUILD_FIRMWARE),y)
ifeq ($(ARCH),m68k)
M68KAS = $(AS)
M68KCC = $(CC)
M68KLD = $(LD)
else
M68KAS = $(CROSS_COMPILE_M68K)as
M68KCC = $(CROSS_COMPILE_M68K)gcc
M68KLD = $(CROSS_COMPILE_M68K)ld
endif
quiet_cmd_build_wanxlfw = BLD FW $@
cmd_build_wanxlfw = \
$(CPP) -D__ASSEMBLY__ -Wp,-MD,$(depfile) -I$(srctree)/include/uapi $< | $(M68KAS) -m68360 -o $(obj)/wanxlfw.o; \
$(M68KCC) -D__ASSEMBLY__ -Wp,-MD,$(depfile) -I$(srctree)/include/uapi -c -o $(obj)/wanxlfw.o $<; \
$(M68KLD) --oformat binary -Ttext 0x1000 $(obj)/wanxlfw.o -o $(obj)/wanxlfw.bin; \
hexdump -ve '"\n" 16/1 "0x%02X,"' $(obj)/wanxlfw.bin | sed 's/0x ,//g;1s/^/static const u8 firmware[]={/;$$s/,$$/\n};\n/' >$(obj)/wanxlfw.inc; \
rm -f $(obj)/wanxlfw.bin $(obj)/wanxlfw.o