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https://github.com/crosstool-ng/crosstool-ng.git
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91 lines
2.9 KiB
Bash
91 lines
2.9 KiB
Bash
# Compute powerpc-specific values
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CT_DoArchTupleValues () {
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# The architecture part of the tuple
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CT_TARGET_ARCH="powerpc${target_bits_64}${target_endian_le}${CT_ARCH_SUFFIX}"
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# Only override values when ABI is not the default
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case "${CT_ARCH_powerpc_ABI}" in
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eabi)
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# EABI is only for bare-metal, so libc ∈ [none,newlib]
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CT_TARGET_SYS="eabi"
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;;
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spe)
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case "${CT_LIBC}" in
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none|newlib) CT_TARGET_SYS="spe";;
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*glibc) CT_TARGET_SYS="gnuspe";;
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uClibc) CT_TARGET_SYS="uclibcgnuspe";;
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esac
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;;
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esac
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# Add extra flags for SPE if needed
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if [ "${CT_ARCH_powerpc_ABI_SPE}" = "y" ]; then
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CT_ARCH_TARGET_CFLAGS="-mabi=spe -mspe"
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CT_ARCH_CC_CORE_EXTRA_CONFIG="--enable-e500_double"
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CT_ARCH_CC_EXTRA_CONFIG="--enable-e500_double"
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fi
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}
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#------------------------------------------------------------------------------
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# Get multilib architecture-specific target
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# Usage: CT_DoArchMultilibTarget "target variable" "multilib flags"
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CT_DoArchMultilibTarget ()
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{
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local target_var="${1}"; shift
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local -a multi_flags=( "$@" )
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local target_
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local m32=false
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local m64=false
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local mlittle=false
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local mbig=false
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for m in "${multi_flags[@]}"; do
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case "$m" in
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-m32) m32=true ;;
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-m64) m64=true ;;
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-mbig) mbig=true ;;
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-mlittle) mlittle=true ;;
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esac
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done
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eval target_=\"\${${target_var}}\"
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# Fix up bitness
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case "${target_}" in
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powerpc-*) $m64 && target_=${target_/#powerpc-/powerpc64-} ;;
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powerpcle-*) $m64 && target_=${target_/#powerpcle-/powerpc64le-} ;;
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powerpc64-*) $m32 && target_=${target_/#powerpc64-/powerpc-} ;;
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powerpc64le-*) $m32 && target_=${target_/#powerpc64le-/powerpcle-} ;;
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esac
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# Fix up endianness
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case "${target_}" in
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powerpc-*) $mlittle && target_=${target_/#powerpc-/powerpcle-} ;;
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powerpcle-*) $mbig && target_=${target_/#powerpcle-/powerpc-} ;;
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powerpc64-*) $mlittle && target_=${target_/#powerpc64-/powerpc64le-} ;;
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powerpc64le-*) $mbig && target_=${target_/#powerpc64le-/powerpc64-} ;;
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esac
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# Set the target variable
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eval ${target_var}=\"${target_}\"
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}
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CT_DoArchUClibcConfig() {
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local cfg="${1}"
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CT_DoArchUClibcSelectArch "${cfg}" "powerpc"
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CT_KconfigDisableOption "CONFIG_E500" "${cfg}"
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CT_KconfigDisableOption "CONFIG_CLASSIC" "${cfg}"
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CT_KconfigDeleteOption "TARGET_SUBARCH" "${cfg}"
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if [ "${CT_ARCH_powerpc_ABI}" = "spe" ]; then
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CT_KconfigEnableOption "CONFIG_E500" "${cfg}"
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CT_KconfigSetOption "TARGET_SUBARCH" "e500" "${cfg}"
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else
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CT_KconfigEnableOption "CONFIG_CLASSIC" "${cfg}"
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CT_KconfigSetOption "TARGET_SUBARCH" "classic" "${cfg}"
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fi
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}
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