Files
buildroot/package/qemu-xen/qemu-xen.hash
Matthew Weber 46b5c95647 package/xen: bump to 4.21.1
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>
2026-08-01 16:07:05 +02:00

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# Locally computed
sha256 631aae8cab7e9688256d705f63e203c9b8f30c6574239a7fdaea8ccb6cdd2551 qemu-xen-e064f42c80be6f6ff8c12dcb2a663bdf70f965f6-git4.tar.gz
sha256 d014b53382dbb17b8196ad12f50de7f20d0ef1b9f7d54b0be51a6cbb14209195 keycodemapdb-f5772a62ec52591ff6870b7e8ef32482371f22c6.tar.gz
sha256 faae889814ea6a292f7ca03d9b36e6c7e95bab2a64777804883cc822b8d48757 berkeley-softfloat-3-b64af41c3276f97f0e181920400ee056b9c88037.tar.gz
sha256 e7a09d51dc7e96cb8422c919c85fc3833d4f788567638c9162ef5cd7db59b1df berkeley-testfloat-3-e7af9751d9f9fd3b47911f51a5cfd08af256a9ab.tar.gz
sha256 6f04ae8364d0079a192b14635f4b1da294ce18724c034c39a6a41d1b09df6100 COPYING