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authorWill Deacon <will.deacon@arm.com>2013-10-11 14:52:08 +0100
committerVictor Kamensky <victor.kamensky@linaro.org>2014-03-13 18:26:00 -0700
commit4a6928be0d11377ff178fa7a355a98adfd8e4a29 (patch)
tree79746eba2359b8e4cb6ed1ee31aa4f1033955b36
parent00767d21ba2a58cc3ca74c53ee1559d9aa581157 (diff)
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> (cherry picked from commit a0974e6e217aead196033d72f898e2acb575304d) Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
-rw-r--r--arch/arm64/Makefile6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index c95c5cb212fd..3a926eb93c95 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 = ,