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# Automatically set PACKAGE_ARCH for MACHINE_SOCARCH
#
# This allow to easy reuse of binary packages among similar SoCs. The
# usual use for this is to share SoC specific packages among different
# boards.
#
# MACHINE_SOCARCH_FILTER list all packages associated with
# MACHINE_SOCARCH and, when match, will set PACKAGE_ARCH as MACHINE_SOCARCH
#
# MACHINE_ARCH_FILTER list all packages associated with
# MACHINE_ARCH and, when match, will set PACKAGE_ARCH as MACHINE_ARCH
#
# For example, in meta-fsl-arm, this is used to share GPU packages for
# i.MX53 boards (as all them share the AMD GPU) and i.MX6 based boards
# (as all them share Vivante GPU).
#
# To use the class, specify, for example:
#
# MACHINE_SOCARCH_SUFFIX_soc = "-soc"
#
# and the need filters, as:
#
# MACHINE_ARCH_FILTER = "virtual/kernel"
# MACHINE_SOCARCH_FILTER_soc = "virtual/libgles1 ... virtual/libgl"
#
# Copyright 2013-2016 (C) O.S. Systems Software LTDA.

python __anonymous () {
    machine_arch_filter = set((d.getVar("MACHINE_ARCH_FILTER") or "").split())
    machine_socarch_filter = set((d.getVar("MACHINE_SOCARCH_FILTER") or "").split())
    if machine_socarch_filter or machine_arch_filter:
        provides = set((d.getVar("PROVIDES") or "").split())
        depends = set((d.getVar("DEPENDS") or "").split())
        PN = d.getVar("PN")

        package_arch = None
        if list(machine_arch_filter & (provides | depends)):
            package_arch = d.getVar("MACHINE_ARCH")
        elif list(machine_socarch_filter & (provides | depends)):
            package_arch = d.getVar("MACHINE_SOCARCH")
            if not package_arch:
                raise bb.parse.SkipPackage("You must set MACHINE_SOCARCH as MACHINE_SOCARCH_FILTER is set for this SoC.")

            machine_socarch_suffix = d.getVar("MACHINE_SOCARCH_SUFFIX")
            if not machine_socarch_suffix:
                raise bb.parse.SkipPackage("You must set MACHINE_SOCARCH_SUFFIX as MACHINE_SOCARCH_FILTER is set for this SoC.")

        if package_arch:
            bb.debug(1, "Use '%s' as package architecture for '%s'" % (package_arch, PN))
            d.setVar("PACKAGE_ARCH", package_arch)

    cur_package_archs = (d.getVar("PACKAGE_ARCHS") or "").split()
    machine_socarch = (d.getVar("MACHINE_SOCARCH") or "")
    if not machine_socarch in cur_package_archs:
        d.appendVar("PACKAGE_EXTRA_ARCHS", " %s" % machine_socarch)

    if d.getVar("TUNE_ARCH") == "arm":
        # For ARM we have two possible machine_socarch values, one for the arm and one for the thumb instruction set
        # add the other value to extra archs also, so that a image recipe searches both for packages.
        if  d.getVar("ARM_INSTRUCTION_SET") == "thumb":
            d.appendVar("PACKAGE_EXTRA_ARCHS", " %s" % d.getVar("ARM_EXTRA_SOCARCH"))
        else:
            d.appendVar("PACKAGE_EXTRA_ARCHS", " %s" % d.getVar("THUMB_EXTRA_SOCARCH"))
}

MACHINE_SOCARCH = "${TUNE_PKGARCH}${MACHINE_SOCARCH_SUFFIX}"

ARM_EXTRA_SOCARCH = "${ARMPKGARCH}${ARMPKGSFX_DSP}${ARMPKGSFX_EABI}${ARMPKGSFX_ENDIAN}${ARMPKGSFX_FPU}${MACHINE_SOCARCH_SUFFIX}"
THUMB_EXTRA_SOCARCH = "${ARMPKGARCH}${ARM_THUMB_SUFFIX}${ARMPKGSFX_DSP}${ARMPKGSFX_EABI}${ARMPKGSFX_ENDIAN}${ARMPKGSFX_FPU}${MACHINE_SOCARCH_SUFFIX}"