[U-Boot] [PATCH v3] x86: lib: Implement standalone __udivdi3 etc instead of libgcc ones

[Bin Meng]

On Thu, Nov 30, 2017 at 1:31 PM, Bin Meng <bmeng.cn at gmail.com> wrote:
> On Wed, Nov 29, 2017 at 11:23 PM, Stefan Roese <sr at denx.de> wrote:
>> This patch removes the inclusion of the libgcc math functions and
>> replaces them by functions coded in C, taken from the coreboot
>> project. This makes U-Boot building more independent from the toolchain
>> installed / available on the build system.
>>
>> The code taken from coreboot is authored from Vadim Bendebury
>> <vbendeb at chromium.org> on 2014-11-28 and committed with commit
>> ID e63990ef [libpayload: provide basic 64bit division implementation]
>> (coreboot git repository located here [1]).
>>
>> I modified the code so that its checkpatch clean without any
>> functional changes.
>>
>> [1] git://github.com/coreboot/coreboot.git
>>
>> Signed-off-by: Stefan Roese <sr at denx.de>
>> Cc: Simon Glass <sjg at chromium.org>
>> Cc: Bin Meng <bmeng.cn at gmail.com>
>> ---
>> v3:
>> - Completely get rid of all libgcc references in arch/x86/lib/Makefile,
>>   also for the standalone applications
>>
>> v2:
>> - Added coreboot git repository link to commit message
>>
>>  arch/x86/config.mk    |   3 --
>>  arch/x86/lib/Makefile |   8 +---
>>  arch/x86/lib/div64.c  | 113 ++++++++++++++++++++++++++++++++++++++++++++++++++
>>  arch/x86/lib/gcc.c    |  29 -------------
>>  4 files changed, 114 insertions(+), 39 deletions(-)
>>  create mode 100644 arch/x86/lib/div64.c
>>  delete mode 100644 arch/x86/lib/gcc.c
>>
>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> Tested-by: Bin Meng <bmeng.cn at gmail.com>

applied to u-boot-x86, thanks!