crosstool-ng/scripts/build/arch/arm.sh
Yann E. MORIN" 1bf982dd68 arch/arm: add support for AArch64
AArch64 id the 64-bit variant for ARM.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Zhenqiang Chen <zhenqiang.chen@linaro.org>
Cc: Michael Hope <michael.hope@linaro.org>
2013-12-30 23:28:18 +01:00

41 lines
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# Compute ARM-specific values
CT_DoArchTupleValues() {
# The architecture part of the tuple:
case "${CT_ARCH_BITNESS}" in
32)
CT_TARGET_ARCH="${CT_ARCH}${CT_ARCH_SUFFIX:-${target_endian_eb}}"
;;
64)
# ARM 64 (aka AArch64) is special
[ "${CT_ARCH_BE}" = "y" ] && target_endian_eb="_be"
CT_TARGET_ARCH="aarch64${CT_ARCH_SUFFIX:-${target_endian_eb}}"
;;
esac
# The system part of the tuple:
case "${CT_LIBC},${CT_ARCH_ARM_EABI}" in
*glibc,y) CT_TARGET_SYS=gnueabi;;
uClibc,y) CT_TARGET_SYS=uclibcgnueabi;;
*,y) CT_TARGET_SYS=eabi;;
esac
# Set the default instruction set mode
case "${CT_ARCH_ARM_MODE}" in
arm) ;;
thumb)
CT_ARCH_CC_CORE_EXTRA_CONFIG="--with-mode=thumb"
CT_ARCH_CC_EXTRA_CONFIG="--with-mode=thumb"
# CT_ARCH_TARGET_CFLAGS="-mthumb"
;;
esac
if [ "${CT_ARCH_ARM_INTERWORKING}" = "y" ]; then
CT_ARCH_TARGET_CFLAGS+=" -mthumb-interwork"
fi
if [ "${CT_ARCH_ARM_TUPLE_USE_EABIHF}" = "y" ]; then
CT_TARGET_SYS="${CT_TARGET_SYS}hf"
fi
}