diff options
Diffstat (limited to 'scripts/build/arch/sh.sh')
| -rw-r--r-- | scripts/build/arch/sh.sh | 191 |
1 files changed, 171 insertions, 20 deletions
diff --git a/scripts/build/arch/sh.sh b/scripts/build/arch/sh.sh index 6761435..8339b94 100644 --- a/scripts/build/arch/sh.sh +++ b/scripts/build/arch/sh.sh @@ -1,50 +1,171 @@ # Compute sh-specific values CT_DoArchTupleValues () { - # The architecture part of the tuple: - CT_TARGET_ARCH="${CT_ARCH_SH_VARIANT}${CT_ARCH_SUFFIX:-${target_endian_eb}}" - - # gcc ./configure flags - CT_ARCH_WITH_ARCH= - CT_ARCH_WITH_ABI= - CT_ARCH_WITH_CPU= - CT_ARCH_WITH_TUNE= - CT_ARCH_WITH_FPU= - CT_ARCH_WITH_FLOAT= - - # Endianness stuff + # The architecture part of the tuple. Binutils do not accept specifications + # like 'sheb-unknown-elf' even though GCC does. So keep the tuple just sh-*-elf + # unless user wants something specific (either CPU or explicit suffix). + if [ "${CT_ARCH_SH_VARIANT}" != "sh" -o -n "${CT_ARCH_SUFFIX}" ]; then + CT_TARGET_ARCH="${CT_ARCH_SH_VARIANT}${CT_ARCH_SUFFIX:-${target_endian_eb}}" + fi + + # Endianness stuff (uses non-standard CFLAGS). If both are compiled, let the + # compiler's default or multilib iterator be used. case "${CT_ARCH_ENDIAN}" in big) CT_ARCH_ENDIAN_CFLAG=-mb;; little) CT_ARCH_ENDIAN_CFLAG=-ml;; esac - # CFLAGS + # Instead of -m{soft,hard}-float, uses CPU type + CT_ARCH_FLOAT_CFLAG= case "${CT_ARCH_SH_VARIANT}" in sh3) CT_ARCH_ARCH_CFLAG=-m3;; - sh4*) + sh4*|sh2*) # softfp is not possible for SuperH, no need to test for it. case "${CT_ARCH_FLOAT}" in hard) - CT_ARCH_ARCH_CFLAG="-m4${CT_ARCH_SH_VARIANT##sh?}" + CT_ARCH_ARCH_CFLAG="-m${CT_ARCH_SH_VARIANT##sh}" ;; soft) - CT_ARCH_ARCH_CFLAG="-m4${CT_ARCH_SH_VARIANT##sh?}-nofpu" + CT_ARCH_ARCH_CFLAG="-m${CT_ARCH_SH_VARIANT##sh}-nofpu" ;; esac ;; esac - CT_ARCH_FLOAT_CFLAG= +} + +CT_DoArchMultilibList() { + local save_ifs="${IFS}" + local new + local x + + # In a configuration for SuperH, GCC list of multilibs shall not include + # the default CPU. E.g. if configuring for sh4-*-*, we need to remove + # "sh4" or "m4" from the multilib list. Otherwise, the resulting compiler + # will fail when that CPU is selected explicitly "sh4-multilib-linux-gnu-gcc -m4 ..." + # as it will fail to find the sysroot with that suffix. This applies to both + # the CPU type inferred from the target tuple (CT_ARCH_SH_VARIANT) as well as + # the default CPU configured with --with-cpu (CT_ARCH_CPU). + IFS=, + for x in ${CT_CC_GCC_MULTILIB_LIST}; do + if [ "${x}" = "${CT_ARCH_SH_VARIANT}" -o "sh${x#m}" = "${CT_ARCH_SH_VARIANT}" ]; then + CT_DoLog WARN "Ignoring '${x}' in multilib list: it is the default multilib" + continue + fi + if [ "${x}" = "${CT_ARCH_CPU}" -o "sh${x#m}" = "${CT_ARCH_CPU}" ]; then + CT_DoLog WARN "Ignoring '${x}' in multilib list: it is the default multilib" + continue + fi + new="${new:+${new},}${x}" + done + IFS="${save_ifs}" + CT_CC_GCC_MULTILIB_LIST="${new}" + CT_DoLog DEBUG "Adjusted CT_CC_GCC_MULTILIB_LIST to '${CT_CC_GCC_MULTILIB_LIST}'" +} + +#------------------------------------------------------------------------------ +# Get multilib architecture-specific target +# Usage: CT_DoArchMultilibTarget "target variable" "multilib flags" +CT_DoArchMultilibTarget () +{ + local target_var="${1}"; shift + local -a multi_flags=( "$@" ) + local target_ + local newcpu + + for m in "${multi_flags[@]}"; do + case "${m}" in + -m4*) newcpu=sh4;; + -m3*) newcpu=sh3;; + -m2*) newcpu=sh2;; + -m1*) newcpu=sh1;; + esac + done + + eval target_=\"\${${target_var}}\" + + # Strip CPU name and append the new one if an option has been seen. + if [ -n "${newcpu}" ]; then + target_="${newcpu}-${target_#*-}" + fi + + # Set the target variable + eval ${target_var}=\"${target_}\" +} + +# Adjust target tuple for GLIBC +CT_DoArchGlibcAdjustTuple() { + local target_var="${1}" + local target_ + + eval target_=\"\${${target_var}}\" + + case "${target_}" in + sh-*) + # Glibc does not build unless configured with 'shX-*' tuple. + # Since we ended up here, no architecture variant has been + # specified, so the only source of default is CT_ARCH_CPU. + # GCC defaults to sh1, but this Glibc cannot compile for it. + if [ -n "${CT_ARCH_CPU}" ]; then + target_=${target_/#sh-/${CT_ARCH_CPU}-} + CT_DoLog DEBUG "Adjusted target tuple ${target_}" + else + CT_Abort "GNU C library cannot build for sh1 (GCC default). " \ + "Specify architecture variant or the default CPU type." + fi + ;; + esac + + # Set the target variable + eval ${target_var}=\"${target_}\" +} + +# Multilib: Adjust configure arguments for GLIBC +# Usage: CT_DoArchGlibcAdjustConfigure <configure-args-array-name> <cflags> +CT_DoArchGlibcAdjustConfigure() { + local -a add_args + local array="${1}" + local cflags="${2}" + local opt + + for opt in ${cflags}; do + case "${opt}" in + -m[1-5]*-nofpu) + add_args+=( "--without-fp" ) + ;; + -m[1-5]*) + add_args+=( "--with-fp" ) + ;; + esac + done + + # If architecture variant was specified, we'd have CT_ARCH_ARCH_CFLAG + # and it would've been handled above. Our last resort: CT_ARCH_CPU + if [ "${#add_args[@]}" = 0 ]; then + case "${CT_ARCH_CPU}" in + sh[34]*-nofpu) + add_args+=( "--without-fp" ) + ;; + sh[34]*) + add_args+=( "--with-fp" ) + ;; + esac + fi + + eval "${array}+=( \"\${add_args[@]}\" )" } CT_DoArchUClibcConfig() { local cfg="${1}" - # FIXME: uclibc (!ng) seems to support sh64 (sh5), too CT_DoArchUClibcSelectArch "${cfg}" "sh" + CT_KconfigDisableOption "CONFIG_SH2" "${cfg}" + CT_KconfigDisableOption "CONFIG_SH2A" "${cfg}" CT_KconfigDisableOption "CONFIG_SH3" "${cfg}" CT_KconfigDisableOption "CONFIG_SH4" "${cfg}" CT_KconfigDisableOption "CONFIG_SH4A" "${cfg}" case "${CT_ARCH_SH_VARIANT}" in + sh2) CT_KconfigEnableOption "CONFIG_SH2" "${cfg}";; + sh2a) CT_KconfigEnableOption "CONFIG_SH2A" "${cfg}";; sh3) CT_KconfigEnableOption "CONFIG_SH3" "${cfg}";; sh4) CT_KconfigEnableOption "CONFIG_SH4" "${cfg}";; sh4a) CT_KconfigEnableOption "CONFIG_SH4A" "${cfg}";; @@ -58,6 +179,36 @@ CT_DoArchUClibcCflags() { for f in ${cflags}; do case "${f}" in + -ml) + CT_KconfigDisableOption "ARCH_BIG_ENDIAN" "${dst}" + CT_KconfigDisableOption "ARCH_WANTS_BIG_ENDIAN" "${dst}" + CT_KconfigEnableOption "ARCH_LITTLE_ENDIAN" "${dst}" + CT_KconfigEnableOption "ARCH_WANTS_LITTLE_ENDIAN" "${dst}" + ;; + -mb) + CT_KconfigEnableOption "ARCH_BIG_ENDIAN" "${dst}" + CT_KconfigEnableOption "ARCH_WANTS_BIG_ENDIAN" "${dst}" + CT_KconfigDisableOption "ARCH_LITTLE_ENDIAN" "${dst}" + CT_KconfigDisableOption "ARCH_WANTS_LITTLE_ENDIAN" "${dst}" + ;; + -m2|-m2a|-m2a-nofpu|-m3|-m4|-m4-nofpu|-m4a|-m4a-nofpu) + CT_KconfigDisableOption "CONFIG_SH2" "${cfg}" + CT_KconfigDisableOption "CONFIG_SH2A" "${cfg}" + CT_KconfigDisableOption "CONFIG_SH3" "${cfg}" + CT_KconfigDisableOption "CONFIG_SH4" "${cfg}" + CT_KconfigDisableOption "CONFIG_SH4A" "${cfg}" + CT_KconfigDisableOption "UCLIBC_HAS_FPU" "${cfg}" + case "${f}" in + -m2) + CT_KconfigEnableOption "CONFIG_SH2" "${cfg}" + ;; + -m2a) + CT_KconfigEnableOption "CONFIG_SH2A" "${cfg}" + CT_KconfigEnableOption "UCLIBC_HAS_FPU" "${cfg}" + ;; + -m2a-nofpu) + CT_KconfigEnableOption "CONFIG_SH2A" "${cfg}" + ;; -m3) CT_KconfigEnableOption "CONFIG_SH3" "${cfg}" ;; @@ -67,7 +218,6 @@ CT_DoArchUClibcCflags() { ;; -m4-nofpu) CT_KconfigEnableOption "CONFIG_SH4" "${cfg}" - CT_KconfigDisableOption "UCLIBC_HAS_FPU" "${cfg}" ;; -m4a) CT_KconfigEnableOption "CONFIG_SH4A" "${cfg}" @@ -75,8 +225,9 @@ CT_DoArchUClibcCflags() { ;; -m4a-nofpu) CT_KconfigEnableOption "CONFIG_SH4A" "${cfg}" - CT_KconfigDisableOption "UCLIBC_HAS_FPU" "${cfg}" ;; + esac + ;; esac done } |