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authorWill Deacon <will.deacon@arm.com>2013-10-11 14:52:08 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2013-10-25 15:59:31 +0100
commita0974e6e217aead196033d72f898e2acb575304d (patch)
treea6ae076e52bc883256204163780ee40ddf5a15b2 /arch/arm64/Makefile
parentarm64: add PSCI CPU_OFF-based hotplug support (diff)
downloadlinux-dev-a0974e6e217aead196033d72f898e2acb575304d.tar.xz
linux-dev-a0974e6e217aead196033d72f898e2acb575304d.zip
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>
Diffstat (limited to 'arch/arm64/Makefile')
-rw-r--r--arch/arm64/Makefile6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index d90cf79f233a..2fceb71ac3b7 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -20,9 +20,15 @@ LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
KBUILD_DEFCONFIG := defconfig
KBUILD_CFLAGS += -mgeneral-regs-only
+ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
+KBUILD_CPPFLAGS += -mbig-endian
+AS += -EB
+LD += -EB
+else
KBUILD_CPPFLAGS += -mlittle-endian
AS += -EL
LD += -EL
+endif
comma = ,