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arm64: big-endian: add big-endian support to top-level arch Makefile 

This patch adds big-endian support to the AArch64 top-level Makefile.
This currently just passes the relevant flags to the toolchain and is
predicated on a Kconfig option that will be introduced later on.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Will Deacon 2013-10-11 14:52:08 +01:00 committed by Catalin Marinas
parent 831ccf79b4
commit a0974e6e21
1 changed files with 6 additions and 0 deletions
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6
arch/arm64/Makefile
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@ -20,9 +20,15 @@ LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
KBUILD_DEFCONFIG := defconfig KBUILD_DEFCONFIG := defconfig
KBUILD_CFLAGS += -mgeneral-regs-only KBUILD_CFLAGS += -mgeneral-regs-only
ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
KBUILD_CPPFLAGS += -mbig-endian
AS += -EB
LD += -EB
else
KBUILD_CPPFLAGS += -mlittle-endian KBUILD_CPPFLAGS += -mlittle-endian
AS += -EL AS += -EL
LD += -EL LD += -EL
endif
comma = , comma = ,