[PATCH v2 0/4] x86/boot: Reduce assembly code

[Frediano Ziglio <frediano.ziglio@xxxxxxxxx>]

This series came from part of the work of removing duplications between
boot code and rewriting part of code from assembly to C.
First 2 patches rework BIOS/PVH paths to reuse some code.
Third patch rewrites EFI code in pure C.

Changes since v1, more details in specific commits:
- style updates;
- comments and descriptions improvements;
- other improvements.

Frediano Ziglio (4):
  x86/boot: Initialise BSS sooner
  x86/boot: Refactor BIOS/PVH start
  x86/boot: Rewrite EFI/MBI2 code partly in C
  x86/boot: Improve MBI2 structure check

 xen/arch/x86/boot/head.S      | 296 +++++++++++-----------------------
 xen/arch/x86/efi/Makefile     |   1 +
 xen/arch/x86/efi/efi-boot.h   |   6 +-
 xen/arch/x86/efi/parse-mbi2.c |  61 +++++++
 xen/arch/x86/efi/stub.c       |   3 +-
 5 files changed, 159 insertions(+), 208 deletions(-)
 create mode 100644 xen/arch/x86/efi/parse-mbi2.c

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2.34.1