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BaseTools/Conf: disable DTC legacy phandle format 

By default, the device tree compiler emits phandle properties twice:
once called 'phandle' and again called 'linux,phandle'. Given that
Linux was updated in early 2010 [0] to accept the former (which is
what is specified in the ePAPR and device tree specifications), there
is no point in emitting both when compiling device trees for UEFI
platforms.

[0] 04b954a673dd02f585a2769c4945a43880faa989
"of/flattree: Make the kernel accept ePAPR style phandle information"

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Ard Biesheuvel 2018-01-05 09:24:22 +00:00
parent 4887443e4f
commit 34a4ddda4d
2 changed files with 2 additions and 1 deletions
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2
BaseTools/Conf/build_rule.template
View File

@ -250,7 +250,7 @@
<Command.GCC>
"$(PP)" $(DTCPP_FLAGS) $(INC) ${src} > ${d_path}(+)${s_base}.i
"$(DTC)" -I dts -O dtb -o ${dst} ${d_path}(+)${s_base}.i
"$(DTC)" $(DTC_FLAGS) -I dts -O dtb -o ${dst} ${d_path}(+)${s_base}.i
[Visual-Form-Representation-File]
<InputFile>

1
BaseTools/Conf/tools_def.template
View File

@ -4467,6 +4467,7 @@ NOOPT_DDK3790xASL_IPF_DLINK_FLAGS = /NOLOGO /NODEFAULTLIB /LTCG /DLL /OPT:REF
DEBUG_*_*_OBJCOPY_ADDDEBUGFLAG = --add-gnu-debuglink=$(DEBUG_DIR)/$(MODULE_NAME).debug
RELEASE_*_*_OBJCOPY_ADDDEBUGFLAG =
NOOPT_*_*_OBJCOPY_ADDDEBUGFLAG = --add-gnu-debuglink=$(DEBUG_DIR)/$(MODULE_NAME).debug
*_*_*_DTC_FLAGS = -H epapr
DEFINE GCC_ALL_CC_FLAGS = -g -Os -fshort-wchar -fno-builtin -fno-strict-aliasing -Wall -Werror -Wno-array-bounds -include AutoGen.h -fno-common
DEFINE GCC_IA32_CC_FLAGS = DEF(GCC_ALL_CC_FLAGS) -m32 -malign-double -freorder-blocks -freorder-blocks-and-partition -O2 -mno-stack-arg-probe