[U-Boot] [PATCH v2 0/5] Patches to reduce TPL code size

Heiko Stübner heiko at sntech.de
Tue Apr 4 09:34:52 UTC 2017


Am Sonntag, 2. April 2017, 09:50:27 CEST schrieb Simon Glass:
> With the rockchip 'rock' board some build and code size problems have come
> to light with TPL. This series provides a few ideas to improve things.

great stuff!

With these patches applied, rk3188-rock still boots and the TPL has
come down to 616byte on gcc-4.9 and 592bytes on gcc-6.3, so

Tested-by: Heiko Stuebner <heiko at sntech.de>

We have like vast amounts of free space in tpl now ;-)

I guess I should fold your TINY_MEMSET option into my rock board,
once you've applied the core patch?


Heiko


> 
> Changes in v2:
> - Adjust the option to be SPL-only
> - Change the option to default to off (name it CONFIG_SPL_TINY_MEMSET)
> - Add a new patch to enable CONFIG_SPL_TINY_MEMSET
> - Add new patch to allow driver model to be disabled for TPL
> - Add new patch to allow driver-model serial to be disabled for TPL
> 
> Simon Glass (5):
>   string: Provide a slimmed-down memset()
>   rockchip: rock: Enable CONFIG_SPL_TINY_MEMSET
>   Makefile: Provide an option to select SPL or TPL
>   dm: core: Allow driver model to be disabled for TPL
>   dm: serial: Allow driver-model serial to be disabled for TPL
> 
>  configs/rock_defconfig  |  1 +
>  drivers/Makefile        |  2 +-
>  drivers/core/Kconfig    | 14 ++++++++++++++
>  drivers/serial/Kconfig  | 20 ++++++++++++++++++++
>  drivers/serial/Makefile |  2 +-
>  lib/Kconfig             |  8 ++++++++
>  lib/string.c            |  6 ++++--
>  scripts/Kbuild.include  |  6 ++++++
>  scripts/Makefile.spl    |  6 ++++++
>  9 files changed, 61 insertions(+), 4 deletions(-)




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