2022-02-05 14:23:32 +00:00
|
|
|
# determines TARGET_CPU, if not forced by user
|
|
|
|
|
if [ -z "$TARGET_CPU" ]; then
|
|
|
|
|
TARGET_CPU=cortex-a8
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# TARGET_CPU:
|
|
|
|
|
# arm2 arm250 arm3 arm6 arm60 arm600 arm610 arm620 arm7 arm7m arm7d
|
|
|
|
|
# arm7dm arm7di arm7dmi arm70 arm700 arm700i arm710 arm710c
|
|
|
|
|
# arm7100 arm720 arm7500 arm7500fe arm7tdmi arm7tdmi-s arm710t
|
|
|
|
|
# arm720t arm740t strongarm strongarm110 strongarm1100
|
|
|
|
|
# strongarm1110 arm8 arm810 arm9 arm9e arm920 arm920t arm922t
|
|
|
|
|
# arm946e-s arm966e-s arm968e-s arm926ej-s arm940t arm9tdmi
|
|
|
|
|
# arm10tdmi arm1020t arm1026ej-s arm10e arm1020e arm1022e
|
|
|
|
|
# arm1136j-s arm1136jf-s mpcore mpcorenovfp arm1156t2-s
|
|
|
|
|
# arm1176jz-s arm1176jzf-s cortex-a8 cortex-a9 cortex-r4
|
|
|
|
|
# cortex-r4f cortex-m3 cortex-m1 xscale iwmmxt iwmmxt2 ep9312.
|
|
|
|
|
|
|
|
|
|
# TARGET_FPU:
|
|
|
|
|
# This specifies what floating point hardware (or hardware emulation) is
|
|
|
|
|
# available on the target. Permissible names are:
|
|
|
|
|
# fpa fpe2 fpe3 maverick vfp vfpv3 vfpv3-fp16 vfpv3-d16 vfpv3-d16-fp16
|
|
|
|
|
# vfpv3xd vfpv3xd-fp16 neon neon-fp16 vfpv4 vfpv4-d16 fpv4-sp-d16
|
|
|
|
|
# neon-vfpv4.
|
|
|
|
|
|
|
|
|
|
# determine architecture's family
|
|
|
|
|
case $TARGET_CPU in
|
|
|
|
|
arm1176jzf-s)
|
|
|
|
|
TARGET_SUBARCH=armv6zk
|
|
|
|
|
TARGET_ABI=eabi
|
|
|
|
|
TARGET_FPU_FLAGS="-mfloat-abi=$TARGET_FLOAT -mfpu=$TARGET_FPU"
|
|
|
|
|
;;
|
|
|
|
|
cortex-a7|cortex-a15|cortex-a17|cortex-a15.cortex-a7|cortex-a17.cortex-a7)
|
|
|
|
|
TARGET_SUBARCH=armv7ve
|
|
|
|
|
TARGET_ABI=eabi
|
|
|
|
|
TARGET_FPU_FLAGS="-mfloat-abi=$TARGET_FLOAT -mfpu=$TARGET_FPU"
|
|
|
|
|
TARGET_FEATURES+=" neon"
|
|
|
|
|
;;
|
|
|
|
|
cortex-a5|cortex-a8|cortex-a9)
|
|
|
|
|
TARGET_SUBARCH=armv7-a
|
|
|
|
|
TARGET_ABI=eabi
|
|
|
|
|
TARGET_FPU_FLAGS="-mfloat-abi=$TARGET_FLOAT -mfpu=$TARGET_FPU"
|
|
|
|
|
TARGET_FEATURES+=" neon"
|
|
|
|
|
;;
|
2022-05-27 22:33:28 +00:00
|
|
|
cortex-a35|cortex-a53|cortex-a55|cortex-a72.cortex-a53)
|
2022-02-05 14:23:32 +00:00
|
|
|
TARGET_SUBARCH=armv8-a
|
|
|
|
|
TARGET_ABI=eabi
|
|
|
|
|
TARGET_FPU_FLAGS="-mfloat-abi=$TARGET_FLOAT -mfpu=$TARGET_FPU"
|
|
|
|
|
TARGET_FEATURES+=" neon"
|
|
|
|
|
;;
|
|
|
|
|
esac
|
|
|
|
|
|
|
|
|
|
# if [ "${TARGET_FLOAT}" = "hard" ]; then
|
|
|
|
|
# TARGET_ABI+="hf"
|
|
|
|
|
# fi
|
|
|
|
|
|
|
|
|
|
TARGET_VARIANT="${TARGET_SUBARCH}${TARGET_CPU_FLAGS}"
|
|
|
|
|
TARGET_GCC_ARCH=${TARGET_SUBARCH/-}
|
|
|
|
|
TARGET_KERNEL_ARCH=${TARGET_KERNEL_ARCH:-arm}
|
|
|
|
|
|
|
|
|
|
# setup ARCH specific *FLAGS
|
|
|
|
|
TARGET_CFLAGS="-march=$TARGET_VARIANT -mtune=$TARGET_CPU -mabi=aapcs-linux -Wno-psabi -Wa,-mno-warn-deprecated"
|
|
|
|
|
[ -n "$TARGET_FPU" ] && TARGET_CFLAGS="$TARGET_CFLAGS $TARGET_FPU_FLAGS"
|
|
|
|
|
TARGET_LDFLAGS="-march=$TARGET_VARIANT -mtune=$TARGET_CPU"
|
|
|
|
|
GCC_OPTS="--with-abi=aapcs-linux --with-arch=$TARGET_SUBARCH --with-float=$TARGET_FLOAT --with-fpu=$TARGET_FPU"
|
