Improve support for EFI multiboot loading

[PATCH 0/5] Improve support for EFI multiboot loading

Alejandro Vallejo posted 5 patches 3 months, 2 weeks ago

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git fetch https://gitlab.com/xen-project/patchew/xen tags/patchew/20240807134819.8987-1-alejandro.vallejo@cloud.com

xen/arch/x86/boot/head.S  | 81 ++++++++++++++++++++++++++++++---------
xen/arch/x86/boot/reloc.c | 63 +++++++++++++++++++++++++++++-
2 files changed, 125 insertions(+), 19 deletions(-)

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[PATCH 0/5] Improve support for EFI multiboot loading

Posted by Alejandro Vallejo 3 months, 2 weeks ago

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(This series is work from Frediano. He's having some issues with his dev
environment and asked me to push it to xen-devel on his behalf)
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Testing this feature in preparation for UEFI CA memory mitigation
requirements I found some issues causing the loading to fail and
other minor issues.
Details in series commit messages.

Frediano Ziglio (5):
  x86: Put trampoline in .init.data section
  x86: Fix early output messages in case of EFI
  x86: Set xen_phys_start and trampoline_xen_phys_start earlier
  x86: Force proper gdt_boot_base setting
  x86: Rollback relocation in case of EFI multiboot

 xen/arch/x86/boot/head.S  | 81 ++++++++++++++++++++++++++++++---------
 xen/arch/x86/boot/reloc.c | 63 +++++++++++++++++++++++++++++-
 2 files changed, 125 insertions(+), 19 deletions(-)

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2.45.2