[Buildroot] [PATCH v6 1/4] infra: add support for MIPS NaN
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Sun Jul 16 14:40:00 UTC 2017
Hello,
On Wed, 28 Jun 2017 16:17:10 +0100, Vicente Olivert Riera wrote:
> MIPS supports two different NaN encodings, legacy and 2008. Information
> about MIPS NaN encodings can be found here:
>
> https://sourceware.org/binutils/docs/as/MIPS-NaN-Encodings.html
>
> NaN legacy is the only option available for R2 cores and older.
> NaN 2008 is the only option available for R6 cores.
> R5 cores can have either NaN legacy or NaN 2008, depending on the
> implementation. So, if the user selects a generic R5 target architecture
> variant, we show a choice menu with both options available. For well
> known R5 cores we directly select the NaN enconding they use.
>
> Signed-off-by: Vicente Olivert Riera <Vincent.Riera at imgtec.com>
> ---
> Changes v4 -> v6:
> - Nothing
> Changes v3 -> v4:
> - Do not have a default list for NAN options. Instead, select them from
> the BR2_MIPS_CPU_* options. (Arnout)
> - uclibc/Config.in: use the new NAN options from arch/Config.in.mips
> Changes v2 -> v3:
> - Nothing
> Changes v1 -> v2:
> - Define config symbol in arch/Config.in
> - Change string "NAN" to "NaN"
> ---
> arch/Config.in | 3 ++
> arch/Config.in.mips | 36 ++++++++++++++++++++++
> package/gcc/gcc.mk | 7 +++++
> package/uclibc/Config.in | 4 +--
> .../toolchain-external/pkg-toolchain-external.mk | 5 +++
> toolchain/toolchain-wrapper.c | 3 ++
> 6 files changed, 56 insertions(+), 2 deletions(-)
Applied to master, thanks!
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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