diff options
Diffstat (limited to 'yocto-poky/meta/conf/machine/include/mips')
-rw-r--r-- | yocto-poky/meta/conf/machine/include/mips/README | 36 | ||||
-rw-r--r-- | yocto-poky/meta/conf/machine/include/mips/arch-mips.inc | 102 |
2 files changed, 138 insertions, 0 deletions
diff --git a/yocto-poky/meta/conf/machine/include/mips/README b/yocto-poky/meta/conf/machine/include/mips/README new file mode 100644 index 000000000..c375f316d --- /dev/null +++ b/yocto-poky/meta/conf/machine/include/mips/README @@ -0,0 +1,36 @@ +2012/03/30 - Mark Hatle <mark.hatle@windriver.com> + - Initial Version + +MIPS currently defines 12 ABIs. Combinations of: + *) Big/Little Endian + *) Hardware/Software Floating Point + *) o32, n32, n64 ABI + +TUNE_ARCH, the GNU canonical arch, is defined as: + +mips${MIPSPKGSFX_BYTE}${MIPSPKGSFX_ENDIAN} + +The package arch is defined in such a way to generated a standard naming +scheme. The scheme is: <mips variant>[-nf][-n32] + +TUNE_PKGARCH is defined as: + +${MIPSPKGSFX_VARIANT_tune-${DEFAULTTUNE}}${MIPSPKGSFX_FPU}${MIPSPKGSFX_ABI} + +The following is a list of MIPS specific variables: + +MIPSPKGSFX_BYTE - This is defined as either blank and "64" for MIPS64 CPUs. + +MIPSPKGSFX_ENDIAN - For bigendian hardware this is blank, otherwise it's +defined as "el". + +MIPSPKGSFX_VARIANT_tune-<tune> - In the default tunings it is set to the +same value as TUNE_ARCH. In custom, optimized tunings, the value should +be modified to more precisely describe the tuning. + +MIPSPKGSFX_FPU - The value is set to "" or "-nf", where "-nf" indicates +that the tune is using a non-floating point ABI. + +MIPSPKGSFX_ABI - This is used to specify an alternative ABI when the previous +values are not enough to distringuish the package. "-n32" is added when +building for N32 ABI. diff --git a/yocto-poky/meta/conf/machine/include/mips/arch-mips.inc b/yocto-poky/meta/conf/machine/include/mips/arch-mips.inc new file mode 100644 index 000000000..02626d300 --- /dev/null +++ b/yocto-poky/meta/conf/machine/include/mips/arch-mips.inc @@ -0,0 +1,102 @@ +# MIPS Architecture definition +# 12 defined ABIs, all combinations of: +# *) Big/Little Endian +# *) Hardware/Software Floating Point +# *) o32, n32, n64 ABI + +DEFAULTTUNE ?= "mips" + +# Endianess +TUNEVALID[bigendian] = "Enable big-endian mode" +TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "bigendian", " -meb", " -mel", d)}" + +# ABI flags +TUNEVALID[o32] = "MIPS o32 ABI" +TUNECONFLICTS[o32] = "n32 n64" +TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "o32", " -mabi=32", "", d)}" + +TUNEVALID[n32] = "MIPS64 n32 ABI" +TUNECONFLICTS[n32] = "o32 n64" +ABIEXTENSION .= "${@bb.utils.contains("TUNE_FEATURES", "n32", "n32", "" ,d)}" +TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "n32", " -mabi=n32", "", d)}" + +TUNEVALID[n64] = "MIPS64 n64 ABI" +TUNECONFLICTS[n64] = "o32 n32" +TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "n64", " -mabi=64", "", d)}" + +# Floating point +TUNEVALID[fpu-hard] = "Use hardware FPU" +TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "fpu-hard", " -mhard-float", " -msoft-float", d)}" +TARGET_FPU = "${@bb.utils.contains("TUNE_FEATURES", "fpu-hard", "", "soft", d)}" + +# Package naming +MIPSPKGSFX_ENDIAN = "${@bb.utils.contains("TUNE_FEATURES", "bigendian", "", "el", d)}" +MIPSPKGSFX_BYTE = "${@bb.utils.contains("TUNE_FEATURES", "n64" , "64", "", d)}" +MIPSPKGSFX_BYTE .= "${@bb.utils.contains("TUNE_FEATURES", "n32" , "64", "", d)}" +MIPSPKGSFX_FPU = "${@bb.utils.contains("TUNE_FEATURES", "fpu-hard" , "", "-nf", d)}" +MIPSPKGSFX_ABI = "${@bb.utils.contains("TUNE_FEATURES", "n32", "-n32", "", d)}" + +TUNE_ARCH = "mips${MIPSPKGSFX_BYTE}${MIPSPKGSFX_ENDIAN}" +TUNE_PKGARCH = "${MIPSPKGSFX_VARIANT_tune-${DEFAULTTUNE}}${MIPSPKGSFX_FPU}${MIPSPKGSFX_ABI}" + +# Base tunes +AVAILTUNES += "mips mips64-n32 mips64 mipsel mips64el-n32 mips64el mips-nf mips64-nf-n32 mips64-nf mipsel-nf mips64el-nf-n32 mips64el-nf" +TUNE_FEATURES_tune-mips = "o32 bigendian fpu-hard" +BASE_LIB_tune-mips = "lib" +MIPSPKGSFX_VARIANT_tune-mips = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mips = "mips" + +TUNE_FEATURES_tune-mips64-n32 = "n32 bigendian fpu-hard" +BASE_LIB_tune-mips64-n32 = "lib32" +MIPSPKGSFX_VARIANT_tune-mips64-n32 = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mips64-n32 = "mips64-n32" + +TUNE_FEATURES_tune-mips64 = "n64 bigendian fpu-hard" +BASE_LIB_tune-mips64 = "lib64" +MIPSPKGSFX_VARIANT_tune-mips64 = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mips64 = "mips64" + +TUNE_FEATURES_tune-mipsel = "o32 fpu-hard" +BASE_LIB_tune-mipsel = "lib" +MIPSPKGSFX_VARIANT_tune-mipsel = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mipsel = "mipsel" + +TUNE_FEATURES_tune-mips64el-n32 = "n32 fpu-hard" +BASE_LIB_tune-mips64el-n32 = "lib32" +MIPSPKGSFX_VARIANT_tune-mips64el-n32 = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mips64el-n32 = "mips64el-n32" + +TUNE_FEATURES_tune-mips64el = "n64 fpu-hard" +BASE_LIB_tune-mips64el = "lib64" +MIPSPKGSFX_VARIANT_tune-mips64el = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mips64el = "mips64el" + +TUNE_FEATURES_tune-mips-nf = "o32 bigendian" +BASE_LIB_tune-mips-nf = "lib" +MIPSPKGSFX_VARIANT_tune-mips-nf = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mips-nf = "mips-nf" + +TUNE_FEATURES_tune-mips64-nf-n32 = "n32 bigendian" +BASE_LIB_tune-mips64-nf-n32 = "lib32" +MIPSPKGSFX_VARIANT_tune-mips64-nf-n32 = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mips64-nf-n32 = "mips64-nf-n32" + +TUNE_FEATURES_tune-mips64-nf = "n64 bigendian" +BASE_LIB_tune-mips64-nf = "lib64" +MIPSPKGSFX_VARIANT_tune-mips64-nf = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mips64-nf = "mips64-nf" + +TUNE_FEATURES_tune-mipsel-nf = "o32" +BASE_LIB_tune-mipsel-nf = "lib" +MIPSPKGSFX_VARIANT_tune-mipsel-nf = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mipsel-nf = "mipsel-nf" + +TUNE_FEATURES_tune-mips64el-nf-n32 = "n32" +BASE_LIB_tune-mips64el-nf-n32 = "lib32" +MIPSPKGSFX_VARIANT_tune-mips64el-nf-n32 = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mips64el-nf-n32 = "mips64el-nf-n32" + +TUNE_FEATURES_tune-mips64el-nf = "n64" +BASE_LIB_tune-mips64el-nf = "lib64" +MIPSPKGSFX_VARIANT_tune-mips64el-nf = "${TUNE_ARCH}" +PACKAGE_EXTRA_ARCHS_tune-mips64el-nf = "mips64el-nf" |