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

[Park, Aiden]

Hi Simon,

> -----Original Message-----
> From: Simon Glass <sjg at chromium.org>
> Sent: Sunday, April 26, 2020 1:16 PM
> To: Park, Aiden <aiden.park at intel.com>
> Cc: Bin Meng <bmeng.cn at gmail.com>; U-Boot Mailing List <u-
> boot at lists.denx.de>
> Subject: Re: [PATCH 0/8] Support 64-bit U-Boot for Slim Bootloader
> 
> 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.
> 
Thanks for your testing. Let me update the instruction with u-boot.bin.

> Regards,
> Simon

Best Regards,
Aiden