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46b5c95647
Bump Xen from 4.19.5 to 4.21.1. Resolved in version bump: - 0002-Arm-platforms-fix-build-with-gcc15.patch Upstream: https://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=39f95089e2ba15c5438ce904c0cbbd8d79d3e6e7 The git-checkout.sh fix for non-master branch checkout is now included: https://xenbits.xenproject.org/gitweb/?p=xen.git;a=commitdiff;h=01fb23dd71006d87e874f310e9c50f31582f274e Remaining patches refreshed for updated context: - 0001-No-trace-backend.patch (Buildroot specific, cross-compile workaround) - 0002-Update-linker-flags.patch (Buildroot specific, cross-compile workaround) Starting with Xen 4.20, qemu-xen is no longer bundled in the release tarball. Add a new qemu-xen package that provides the qemu-xen source tree with required meson subprojects pre-populated. This avoids any network access during the build. New dependencies: - qemu-xen (provides qemu-xen source for tools build) - host-python-distlib (needed by QEMU's mkvenv) The qemu-xen package: - Fetches qemu-xen via git (without recursive submodules to avoid massive ROM downloads) - Pre-populates required meson subprojects (keycodemapdb, berkeley-softfloat-3, berkeley-testfloat-3) from gitlab archives - Applies packagefiles overlays (meson.build) for subprojects that need them - Removes .wrap files for unused subprojects to prevent any network access attempts during the build - Patches xen_native.h #error to #warning for cross-compile Tested with: support/testing/run-tests \ -d dl -o output_folder \ tests.package.test_xen.TestXenAarch64 support/testing/run-tests \ -d dl -o output_folder \ tests.package.test_xen.TestXenArmv7 Both aarch64 and arm32 runtime tests pass. Quick build defconfig used for iteration: BR2_aarch64=y BR2_TOOLCHAIN_EXTERNAL=y BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_AARCH64_GLIBC_STABLE=y BR2_PACKAGE_XEN=y BR2_PACKAGE_XEN_HYPERVISOR=y BR2_PACKAGE_XEN_TOOLS=y # BR2_TARGET_ROOTFS_TAR is not set Related prior attempts: https://patchwork.ozlabs.org/project/buildroot/patch/20260211055138.719459-1-matthew.l.weber@gmail.com/ https://patchwork.ozlabs.org/project/buildroot/patch/20251007164756.893264-1-titouan.christophe@mind.be/ Cc: Neal Frager <neal.frager@amd.com> Cc: Julien Olivain <ju.o@free.fr> Cc: Vincent Stehlé <vincent.stehle@arm.com> Cc: Titouan Christophe <titouan.christophe@mind.be> Cc: John Ernberg <john.ernberg@actia.se> Signed-off-by: Matthew Weber <mathew.l.weber3@boeing.com> [Julien: - update qemu-xen package url in Config.in - split XEN_DEPENDENCIES lines - add COPYING license hash in qemu-xen.hash ] Signed-off-by: Julien Olivain <ju.o@free.fr>
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config BR2_PACKAGE_QEMU_XEN
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bool "qemu-xen"
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help
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The qemu-xen source tree, a QEMU fork maintained by the Xen
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project for use as the device model in Xen tool stacks.
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Starting with Xen 4.20, this is no longer bundled in the Xen
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release tarball.
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https://xenbits.xen.org/gitweb/?p=qemu-xen.git
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