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Message-ID: <20220216112924.GG1320090@port70.net>
Date: Wed, 16 Feb 2022 12:29:24 +0100
From: Szabolcs Nagy <nsz@...t70.net>
To: Jeffrey Walton <noloader@...il.com>,
SIMONE MIONE <205212@...denti.unimore.it>
Cc: musl@...ts.openwall.com
Subject: Re: musl how to use hard float with aarch64-none-elf-gcc
* Jeffrey Walton <noloader@...il.com> [2022-02-16 05:24:48 -0500]:
> On Wed, Feb 16, 2022 at 4:51 AM SIMONE MIONE <205212@...denti.unimore.it> wrote:
> >
> > I am trying to integrate musl in a baremetal environment. I already have float support but I can't manage to disable soft-float by musl.
> >
> > I configure with:
> > ./configure --target=aarch64-none-elf --enable-debug --disable-shared
> > And simple compile with:
> > make
> >
> > Does anyone know how to use hardfloat instead of soft float? Is there any option or flag? Thank you
>
> The GCC options for hard-floats are -mfpu=neon -mfloat-abi=hard. In
> later versions of GCC, you can also use -mfpu=auto (sometimes).
that's for 32bit arm
there is no soft float abi for aarch64, so i'm not sure what's going on.
what does 'soft-float by musl' mean?
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