Re: [Qemu-devel] [PATCH 0/5] nvram: Refactor OpenBIOS NVRAM code to support -prom-env on pseries, too

[Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>]

On 18/10/16 21:46, Thomas Huth wrote:

> The OpenBIOS NVRAM set-up is based on the layout defined in the CHRP
> (Common Hardware Reference Platform) specification. This is the same
> layout that is also used by the PAPR specification and thus by the SLOF
> firmware of the pseries machine. By refactoring the NVRAM code from
> mac_nvram.c, we can use the same functions for setting up the NVRAM
> for both, OpenBIOS and SLOF. This way we can support the "-prom-env"
> parameter of QEMU for SLOF, too, which is very useful to influence
> the firmware boot process.
> 
> Thomas Huth (5):
>   nvram: Introduce helper functions for CHRP "system" and "free space"
>     partitions
>   sparc: Use the new common NVRAM functions for system and free space
>     partition
>   spapr_nvram: Pre-initialize the NVRAM to support the -prom-env
>     parameter
>   nvram: Move the remaining CHRP NVRAM related code to chrp_nvram.[ch]
>   nvram: Rename openbios_firmware_abi.h into sun_nvram.h
> 
>  hw/nvram/Makefile.objs                             |  1 +
>  hw/nvram/chrp_nvram.c                              | 85 ++++++++++++++++++++++
>  hw/nvram/mac_nvram.c                               | 49 +++----------
>  hw/nvram/spapr_nvram.c                             |  6 ++
>  hw/sparc/sun4m.c                                   | 35 ++-------
>  hw/sparc64/sun4u.c                                 | 35 ++-------
>  include/hw/nvram/chrp_nvram.h                      | 54 ++++++++++++++
>  .../nvram/{openbios_firmware_abi.h => sun_nvram.h} | 47 +-----------
>  tests/postcopy-test.c                              |  8 +-
>  9 files changed, 179 insertions(+), 141 deletions(-)
>  create mode 100644 hw/nvram/chrp_nvram.c
>  create mode 100644 include/hw/nvram/chrp_nvram.h
>  rename include/hw/nvram/{openbios_firmware_abi.h => sun_nvram.h} (50%)

Hi Thomas,

This is a great patchset! I've given it a spin here with
qemu-system-sparc/qemu-system-sparc64 and it looks good here with no
regressions for me so:

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>


ATB,

Mark.