36 lines
1.0 KiB
Makefile
36 lines
1.0 KiB
Makefile
#
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# build "preprocessed" .h files for inclusion of ARM scratch code
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#
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SPL_THUNK := fel-to-spl-thunk.h
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THUNKS := clrsetbits.h
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THUNKS += memcpy.h
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THUNKS += readl_writel.h
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THUNKS += rmr-thunk.h
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THUNKS += sid_read_root.h
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all: $(SPL_THUNK) $(THUNKS)
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# clean up object files afterwards
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rm -f *.o
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# This empty prerequisite enforces a rebuild of all the headers on every run
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FORCE:
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# If not specified explicitly: try to guess a suitable ARM toolchain prefix
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CROSS_COMPILE ?= $(shell ../find-arm-gcc.sh)
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AS := $(CROSS_COMPILE)as
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OBJDUMP := $(CROSS_COMPILE)objdump
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AWK_O_TO_H := LC_ALL=C awk -f objdump_to_h.awk
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# The SPL thunk requires a different output format. The "style" variable for
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# awk controls this, and causes the htole32() conversion to be omitted.
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fel-to-spl-thunk.h: fel-to-spl-thunk.S FORCE
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$(AS) -o $(subst .S,.o,$<) -march=armv5te $<
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$(OBJDUMP) -d $(subst .S,.o,$<) | $(AWK_O_TO_H) -v style=old > $@
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$(THUNKS): %.h: %.S FORCE
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$(AS) -o $(subst .S,.o,$<) -march=armv5te $<
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$(OBJDUMP) -d $(subst .S,.o,$<) | $(AWK_O_TO_H) > $@
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