Re: [Minios-devel] [UNIKRAFT PATCH v2 0/7] Support float point on arm64 kvm plat

[Justin He <Justin.He@xxxxxxx>]

Hi Felipe,
Sure I will rebase it in v3
--
Cheers,
Justin (Jia He)



> -----Original Message-----
> From: felipehuici . <felipehuici@xxxxxxxxx>
> Sent: Thursday, April 2, 2020 3:47 AM
> To: Justin He <Justin.He@xxxxxxx>
> Cc: minios-devel@xxxxxxxxxxxxxxxxxxxx; Simon Kuenzer
> <simon.kuenzer@xxxxxxxxx>; Santiago.Pagani@xxxxxxxxx; Felipe Huici
> <felipe.huici@xxxxxxxxx>; Kaly Xin <Kaly.Xin@xxxxxxx>; Sharan Santhanam
> <Sharan.Santhanam@xxxxxxxxx>
> Subject: Re: [Minios-devel] [UNIKRAFT PATCH v2 0/7] Support float point on
> arm64 kvm plat
>
> Hi Justin, thanks so much for this new series! One of the patches
> doesn't apply cleanly, could please do a quick rebase and submit a new
> version?
>
> Thanks!
>
> -- Felipe
>
> On Fri, Mar 27, 2020 at 10:48 AM Jia He <justin.he@xxxxxxx> wrote:
> >
> > This series is to enable the float point support on arm64 kvm plat.
> >
> > The key point is the patch 3 and 4
> >
> > Tested on a ThundX2 qemu virt guest machine.
> > qemu command line:/usr/local/bin/qemu-system-aarch64  \
> > -machine virt,gic-version=2 -m 1024 -cpu max -no-acpi -smp 1 \
> > -display none  -nographic -nodefaults -serial stdio \
> > -kernel build/helloworld_kvm-arm64
> >
> > I created a app with 2 threads, and then print their local double/float
> > variables. Looks fine to me.
> >
> > Changes:
> > v2: remove RFC tag.
> >     utilize 'isr' variant feature introduced by Simon, this addresses the
> > mgeneral-regs-only issue in v1.
> >     refactor the save/restore codes due to license issue.
> >
> > Jia He (7):
> >   plat: build: Add a config option to enable fp on arm64
> >   build: Link libgcc at the end of the link options list
> >   plat/kvm: arm64: Enable the fp/simd at the starting point
> >   plat/arm: Support fp/simd save/restore during context switch
> >   arch/arm64: Don't pass -mgeneral-regs-only when CONFIG_FLOAT_POINT
> is
> >     y
> >   arch/arm64: Fix -mfpu=none when not supporting fpsimd
> >   build: Add 'isr' variant for arm64 kvm plat source files called within
> >     irq context
> >
> >  arch/arm/arm64/Makefile.uk          |  7 ++-
> >  plat/Config.uk                      |  7 +++
> >  plat/common/arm/thread_start64.S    | 72
> +++++++++++++++++++++++++++++
> >  plat/common/include/arm/arm64/cpu.h | 46 +++++++++++++++++-
> >  plat/kvm/Linker.uk                  |  2 +
> >  plat/kvm/Makefile.uk                | 10 ++--
> >  plat/kvm/arm/entry64.S              |  8 ++++
> >  7 files changed, 143 insertions(+), 9 deletions(-)
> >
> > --
> > 2.17.1
> >
> >
> > _______________________________________________
> > Minios-devel mailing list
> > Minios-devel@xxxxxxxxxxxxxxxxxxxx
> > https://lists.xenproject.org/mailman/listinfo/minios-devel
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