[Xen-devel] [PATCH v5 00/16] x86: multiboot2 protocol support

[Daniel Kiper <daniel.kiper@xxxxxxxxxx>]

Hi,

I am sending fifth version of multiboot2 protocol support for
legacy BIOS and EFI platforms. This patch series release contains
fixes for all known issues (many of them were found by Jan Beulich;
thanks a lot!).

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 v4:
  - changed patches: 01, 03, 04, 05, 09, 10, 11.

Patches 12-16 were reviewed by nobody last time.

This patch series was build with following tools:
  - gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)
    and binutils 2.17-3+etch1,
  - gcc version 4.4.7 20120313 (Red Hat 4.4.7-11) (GCC)
    and binutils 2.23.2-2.el6,
  - gcc version 4.7.2 (Debian 4.7.2-5)
    and binutils 2.22-8,
  - gcc version 5.1.1 20150618 (Red Hat 5.1.1-4) (GCC)
    and binutils 2.25-9.fc22.

I hope that 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

PS FYI, I will be on vacation next week. It will be nice if
   you review my patches during that time.

 .gitignore                        |    5 +-
 xen/arch/x86/Makefile             |    8 +-
 xen/arch/x86/Rules.mk             |    4 +
 xen/arch/x86/boot/Makefile        |   10 +-
 xen/arch/x86/boot/build32.lds     |   52 ++++++++
 xen/arch/x86/boot/build32.mk      |   18 ++-
 xen/arch/x86/boot/cmdline.S       |  367 
-----------------------------------------------------
 xen/arch/x86/boot/cmdline.c       |  376 
++++++++++++++++++++++++++++++++++++++++++++++++++++++
 xen/arch/x86/boot/edd.S           |    3 -
 xen/arch/x86/boot/head.S          |  568 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------
 xen/arch/x86/boot/reloc.c         |  249 ++++++++++++++++++++++++++++--------
 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        |   51 +++-----
 xen/arch/x86/dmi_scan.c           |    4 +-
 xen/arch/x86/domain_page.c        |    2 +-
 xen/arch/x86/efi/Makefile         |   11 +-
 xen/arch/x86/efi/efi-boot.h       |  108 ++++++++++++++--
 xen/arch/x86/efi/stub.c           |   33 ++++-
 xen/arch/x86/mpparse.c            |    4 +-
 xen/arch/x86/setup.c              |   48 +++----
 xen/arch/x86/shutdown.c           |    5 +-
 xen/arch/x86/time.c               |    2 +-
 xen/arch/x86/x86_64/asm-offsets.c |   12 ++
 xen/arch/x86/xen.lds.S            |   16 ++-
 xen/common/efi/boot.c             |   31 ++++-
 xen/common/efi/runtime.c          |   21 ++-
 xen/drivers/acpi/osl.c            |    2 +-
 xen/include/asm-x86/config.h      |    1 +
 xen/include/asm-x86/page.h        |    2 +-
 xen/include/xen/efi.h             |   10 +-
 xen/include/xen/multiboot2.h      |  182 ++++++++++++++++++++++++++
 33 files changed, 1624 insertions(+), 614 deletions(-)

Daniel Kiper (16):
      x86: allow EFI reboot method neither on EFI platforms...
      x86/boot: remove multiboot1_header_end from symbol table
      x86/boot: create *.lnk files with linker script
      x86/boot/reloc: reduce assembly usage as much as possible
      x86/boot: call reloc() using stdcall calling convention
      x86/boot/reloc: create generic alloc and copy functions
      x86/boot: use %ecx instead of %eax
      x86/boot/reloc: rename some variables and rearrange code a bit
      x86: add multiboot2 protocol support
      efi: create efi_enabled()
      efi: build xen.gz with EFI code
      x86/efi: create new early memory allocator
      x86: add multiboot2 protocol support for EFI platforms
      x86/boot: implement early command line parser in C
      x86: make Xen early boot code relocatable
      x86: add multiboot2 protocol support for relocatable images


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