[PATCH v7 0/2] 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.
Rewrites EFI code in pure C.

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

Changes since v2:
- rebased on master, resolved conflicts;
- add comment on trampoline section.

Changes since v3:
- changed new function name;
- declare efi_multiboot2 in a separate header;
- distinguish entry point from using magic number;
- other minor changes (see commens in commits).

Changes since v4:
- rebase on staging;
- set %fs and %gs as other segment registers;
- style and other changes.

Changes since v5:
- fixed a typo.

Changes since v6:
- remove merged patch;
- comment and style;
- change some pointer checks to avoid overflows;
- rename parse-mbi2.c to mbi2.c.

Frediano Ziglio (2):
  x86/boot: Rewrite EFI/MBI2 code partly in C
  x86/boot: Improve MBI2 structure check

 xen/arch/x86/boot/head.S       | 146 +++++++--------------------------
 xen/arch/x86/efi/Makefile      |   1 +
 xen/arch/x86/efi/efi-boot.h    |   7 +-
 xen/arch/x86/efi/mbi2.c        |  66 +++++++++++++++
 xen/arch/x86/efi/stub.c        |  10 +--
 xen/arch/x86/include/asm/efi.h |  18 ++++
 6 files changed, 123 insertions(+), 125 deletions(-)
 create mode 100644 xen/arch/x86/efi/mbi2.c
 create mode 100644 xen/arch/x86/include/asm/efi.h

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2.34.1