[PATCH v8 00/13] x86: multiboot2 protocol support

[Daniel Kiper <daniel.kiper@oracle.com>]

Hi,

I am sending eight version of multiboot2 protocol support for
legacy BIOS and EFI platforms. This patch series release contains
fixes for all known issues.

The final goal is xen.efi binary file which could be loaded by EFI
loader, multiboot (v1) protocol (only on legacy BIOS platforms) and
multiboot2 protocol. This way we will have:
  - smaller Xen code base,
  - one code base for xen.gz and xen.efi,
  - one build method for xen.gz and xen.efi;
    xen.efi will be extracted from xen(-syms)
    file using objcopy or special custom tool,
  - xen.efi build will not so strongly depend
    on a given GCC and binutils version.

Here is short list of changes since v7:
  - changed patches: 01, 04, 06, 07, 09, 11, 12.

Julien Grall raised some concerns in regards to EFI boot allocator
implementation on ARM. After some discussion with him and Jan I did
a few changes requested by them. Hence, I am asking especially ARM
guys to review patch #06 and check that everything is OK.

I hope that (at least some) features provided by this patch series
will be included in Xen 4.8 release in one way or another.

If you are not interested in this patch series at all please
drop me a line and I will remove you from distribution list.

Daniel

 .gitignore                        |    5 +-
 xen/arch/x86/Makefile             |    8 +-
 xen/arch/x86/Rules.mk             |    3 +
 xen/arch/x86/boot/Makefile        |   12 +-
 xen/arch/x86/boot/build32.mk      |    2 +
 xen/arch/x86/boot/cmdline.S       |  367 --------------------------------------------------------
 xen/arch/x86/boot/cmdline.c       |  340 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 xen/arch/x86/boot/defs.h          |   58 +++++++++
 xen/arch/x86/boot/edd.S           |    3 -
 xen/arch/x86/boot/head.S          |  538 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------
 xen/arch/x86/boot/reloc.c         |  151 +++++++++++++++++++++--
 xen/arch/x86/boot/trampoline.S    |   22 +++-
 xen/arch/x86/boot/video.S         |    7 --
 xen/arch/x86/boot/wakeup.S        |    4 +-
 xen/arch/x86/boot/x86_64.S        |   44 +++----
 xen/arch/x86/dmi_scan.c           |    4 +-
 xen/arch/x86/domain_page.c        |    2 +-
 xen/arch/x86/efi/Makefile         |   12 +-
 xen/arch/x86/efi/efi-boot.h       |   65 +++++++---
 xen/arch/x86/efi/stub.c           |   48 +++++++-
 xen/arch/x86/mpparse.c            |    4 +-
 xen/arch/x86/setup.c              |   36 +++---
 xen/arch/x86/shutdown.c           |    5 +-
 xen/arch/x86/time.c               |    2 +-
 xen/arch/x86/x86_64/asm-offsets.c |   15 +++
 xen/arch/x86/xen.lds.S            |   10 +-
 xen/common/efi/boot.c             |   83 ++++++++++++-
 xen/common/efi/runtime.c          |   23 +++-
 xen/common/version.c              |    2 +-
 xen/drivers/acpi/osl.c            |    2 +-
 xen/include/asm-x86/page.h        |    2 +-
 xen/include/xen/efi.h             |    9 +-
 xen/include/xen/multiboot2.h      |  182 ++++++++++++++++++++++++++++
 33 files changed, 1531 insertions(+), 539 deletions(-)

Daniel Kiper (13):
      x86: add multiboot2 protocol support
      efi: create efi_enabled()
      x86: allow EFI reboot method neither on EFI platforms...
      x86: properly calculate xen ELF end of image address
      efi: build xen.gz with EFI code
      efi: create new early memory allocator
      x86: add multiboot2 protocol support for EFI platforms
      x86/boot: implement early command line parser in C
      x86: change default load address from 1 MiB to 2 MiB
      x86/setup: use XEN_IMG_OFFSET instead of...
      x86: make Xen early boot code relocatable
      x86/boot: rename sym_phys() to sym_offs()
      x86: add multiboot2 protocol support for relocatable images


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