Commit 6683584c authored by Bin Meng's avatar Bin Meng

acpi: Pass -D__ASSEMBLY__ when compiling ASL files

ASL files may include various U-Boot header files, but IASL compiler
does not understand any C language embedded in these header files.
To reuse those header files for ASL compiling, use __ASSEMBLY__ in
the header files to exclude everything that is not liked by IASL.
Signed-off-by: default avatarBin Meng <>
Reviewed-by: default avatarSimon Glass <>
parent 3498cc97
......@@ -325,7 +325,7 @@ $(obj)/%.S: $(src)/%.ttf
# ---------------------------------------------------------------------------
quiet_cmd_acpi_c_asl= ASL $<
cmd_acpi_c_asl= \
$(CPP) -x assembler-with-cpp -P $(UBOOTINCLUDE) -o $<.tmp $<; \
$(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -P $(UBOOTINCLUDE) -o $<.tmp $<; \
iasl -p $< -tc $<.tmp $(if $(KBUILD_VERBOSE:1=), >/dev/null); \
mv $(patsubst %.asl,%.hex,$<) $@
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