[PATCH 0/8] Support 64-bit U-Boot for Slim Bootloader

[Simon Glass]

Hi Aiden,

On Tue, 21 Apr 2020 at 18:45, <aiden.park at intel.com> wrote:
>
> From: Aiden Park <aiden.park at intel.com>
>
> This patchset will build 64-bit U-Boot as a Slim Bootloader payload
> and introduce a new X86_RUN_64BIT_ONLY to build pure 64-bit U-Boot
> binary without SPL. In addition, this supports 64-bit kernel booting
> from 64-bit U-Boot.
>
> Aiden Park (8):
>   x86: Add a new X86_RUN_64BIT_ONLY to Kconfig
>   x86: start64: Add a hook at 64-bit entry
>   x86: start64: Support HOB in 64-bit U-Boot
>   x86: slimbootloader: Support 64-bit operation
>   configs: slimbootloader: Add x86_64 slimbootloader config
>   x86: Fix 64-bit compile warning
>   x86: enable 64-bit kernel boot from 64-bit U-Boot
>   doc: slimbootloader: Update 64-bit build instruction
>
>  arch/x86/Kconfig                             |  8 ++++++
>  arch/x86/cpu/slimbootloader/Makefile         |  9 ++++--
>  arch/x86/cpu/slimbootloader/entry64.S        | 14 ++++++++++
>  arch/x86/cpu/slimbootloader/slimbootloader.c | 17 ++++++++++--
>  arch/x86/cpu/start64.S                       | 10 +++++++
>  arch/x86/cpu/x86_64/Makefile                 |  2 +-
>  arch/x86/cpu/x86_64/call64.S                 | 21 ++++++++++++++
>  arch/x86/cpu/x86_64/cpu.c                    | 10 +++++++
>  arch/x86/include/asm/bootparam.h             | 10 ++++++-
>  arch/x86/include/asm/zimage.h                |  2 +-
>  arch/x86/lib/bootm.c                         | 10 +++++--
>  arch/x86/lib/zimage.c                        | 24 ++++++++++------
>  cmd/x86/hob.c                                |  8 +++---
>  configs/slimbootloader-x86_64_defconfig      | 24 ++++++++++++++++
>  doc/board/intel/slimbootloader.rst           | 29 ++++++++++++++++++++
>  15 files changed, 176 insertions(+), 22 deletions(-)
>  create mode 100644 arch/x86/cpu/slimbootloader/entry64.S
>  create mode 100644 arch/x86/cpu/x86_64/call64.S
>  create mode 100644 configs/slimbootloader-x86_64_defconfig
>

For the series:

Tested on qemu:
Tested-by: Simon Glass <sjg at chromium.org>

One little thing that I noticed...your instructions show copying
u-boot-dtb.bin into the slimbootloader directory. This is the same as
u-boot.bin and I suggest you use that name instead. When I tried to, I
got an error.

Regards,
SImon