diff options
Diffstat (limited to 'meta-xilinx-bsp/classes/zynqmp-pmu.bbclass')
| -rw-r--r-- | meta-xilinx-bsp/classes/zynqmp-pmu.bbclass | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/meta-xilinx-bsp/classes/zynqmp-pmu.bbclass b/meta-xilinx-bsp/classes/zynqmp-pmu.bbclass new file mode 100644 index 00000000..714eb96a --- /dev/null +++ b/meta-xilinx-bsp/classes/zynqmp-pmu.bbclass @@ -0,0 +1,122 @@ +# +# This class handles configuring a recipe to build for the ZynqMP PMU +# architecture. The reason for this class is due to limitations of multilib +# with regards to multiple architectures (which do not work correctly). +# +# This class is specifically intended to extend the binutils-cross, gcc-cross, +# newlib, libgloss and pmu-firmware recipes so that binaries can be emitted +# which target the PMU architecture alongside building for the APU architecture +# (ARM64). But the class can be applied globally via BBCLASSEXTEND in for +# example a <machine>.conf. +# +# This class is almost the same as a multilib variant with custom TUNE_* setup +# to allow for a switched TUNE_ARCH. +# + +ORIG_TARGET_ARCH := "${TARGET_ARCH}" + +# zynqmp-pmu target arch (hardcoded based on pre-gen data from arch-microblaze.inc) +DEFAULTTUNE = "microblaze" +ABIEXTENSION = "" +TUNE_ARCH = "microblazeel" +#TUNE_FEATURES_tune-microblaze += "v9.2 barrel-shift pattern-compare" +TUNE_CCARGS = "-mlittle-endian -mxl-barrel-shift -mxl-pattern-compare -mno-xl-reorder -mcpu=v9.2 -mxl-soft-mul -mxl-soft-div" +TUNE_LDARGS = "" +TUNE_ASARGS = "" +TUNE_PKGARCH = "microblazeel-v9.2-bs-cmp" +TARGET_OS = "elf" +TARGET_FPU = "fpu-soft" + +# rebuild the MACHINE overrides +MACHINEOVERRIDES = "${MACHINE}${@':${SOC_FAMILY}' if d.getVar('SOC_FAMILY') else ''}:microblaze" + +# override tune provided archs +PACKAGE_EXTRA_ARCHS = "${TUNE_PKGARCH}" + +# baremetal equivalent config (note the tclibc is not included, this is purely +# for recipes/etc that check for the value) +TCLIBC = "baremetal" +LIBCEXTENSION = "" +LIBCOVERRIDE = ":libc-baremetal" +USE_NLS = "no" +IMAGE_LINGUAS = "" +LIBC_DEPENDENCIES = "" + +# gcc-cross specific baremetal setup (due to the override order this is important) +EXTRA_OECONF_pn-${MLPREFIX}gcc-cross-${TARGET_ARCH}_append = " --without-headers" + +EXTRA_OECONF_GCC_FLOAT = "" + +# Setup a multiarch like prefix. +prefix = "/usr/${TARGET_SYS}" +# Make sure GCC can search in the prefix dir (for libgcc) +TOOLCHAIN_OPTIONS += "-B${RECIPE_SYSROOT}${includedir}/ -B${RECIPE_SYSROOT}${libdir}/" +TOOLCHAIN_OPTIONS += "-I =${includedir} -L =${libdir}" + +python multitarget_zynqmp_pmu_virtclass_handler () { + variant = "zynqmp-pmu" + pn = d.getVar("PN") + if not (pn.startswith(variant + "-") or pn.endswith("-" + variant)): + return + + if bb.data.inherits_class('native', e.data) or bb.data.inherits_class('nativesdk', e.data) or bb.data.inherits_class('crosssdk', e.data): + raise bb.parse.SkipPackage("Can't extend native/nativesdk/crosssdk recipes") + + initialpn = e.data.getVar("PN").replace("-" + variant, "").replace(variant + "-", "") + e.data.setVar("MLPREFIX", variant + "-") + e.data.setVar("OVERRIDES", e.data.getVar("OVERRIDES", False) + ":virtclass-" + variant) + + # hide multilib variants, this class is not one but this works around recipes thinking it is (due to MLPREFIX). + e.data.setVar("MULTILIB_VARIANTS", "") + + # work around for -cross recipes that embed the TARGET_ARCH value + if bb.data.inherits_class('cross', e.data): + if initialpn.endswith("-" + d.getVar("ORIG_TARGET_ARCH")): + initialpn = initialpn.replace("-" + d.getVar("ORIG_TARGET_ARCH"), "-" + d.getVar("TARGET_ARCH")) + + e.data.setVar("PN", variant + "-" + initialpn) +} + +addhandler multitarget_zynqmp_pmu_virtclass_handler +multitarget_zynqmp_pmu_virtclass_handler[eventmask] = "bb.event.RecipePreFinalise" + +python () { + variant = "zynqmp-pmu" + pn = d.getVar("PN") + if not pn.startswith(variant + "-"): + return + + if pn.endswith("gcc-cross-" + d.getVar("TARGET_ARCH")): + # work around, DEPENDS _remove being immediate in gcc-cross + d.setVar("DEPENDS_remove", "virtual/%slibc-for-gcc" % d.getVar("TARGET_PREFIX")) + + if pn.endswith("libgcc"): + # work around, strip depends on libc via do_package* tasks (this class cannot set ASSUME_PROVIDED += libc) + for i in ["do_package", "do_package_write_ipk", "do_package_write_deb", "do_package_write_rpm"]: + sanitized = " ".join([dep for dep in d.getVarFlag(i, "depends").split() if not dep.startswith("virtual/%s-libc" % variant)]) + d.setVarFlag(i, "depends", sanitized) + + import oe.classextend + + clsextend = oe.classextend.ClassExtender(variant, d) + + clsextend.map_depends_variable("DEPENDS") + clsextend.map_variable("PROVIDES") + + clsextend.rename_packages() + clsextend.rename_package_variables((d.getVar("PACKAGEVARS") or "").split()) + + clsextend.map_packagevars() + clsextend.map_regexp_variable("PACKAGES_DYNAMIC") + clsextend.map_variable("PACKAGE_INSTALL") +} + +# microblaze elf insane definitions not currently in insane.bbclass +PACKAGEQA_EXTRA_MACHDEFFUNCS += "package_qa_get_machine_dict_microblazeelf" +def package_qa_get_machine_dict_microblazeelf(machdata, d): + machdata["elf"] = { + "microblaze": (189, 0, 0, False, 32), + "microblazeeb":(189, 0, 0, False, 32), + "microblazeel":(189, 0, 0, True, 32), + } + return machdata |