Re: [Minios-devel] [UNIKRAFT PATCH 8/9] build: Add compiler and flags for arm64

[Wei Chen <Wei.Chen@xxxxxxx>]

Hi Simon,

> -----Original Message-----
> From: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
> Sent: 2018年4月5日 5:54
> To: Wei Chen <Wei.Chen@xxxxxxx>; minios-devel@xxxxxxxxxxxxxxxxxxxx
> Cc: Shijie Huang <Shijie.Huang@xxxxxxx>; Kaly Xin <Kaly.Xin@xxxxxxx>; nd
> <nd@xxxxxxx>
> Subject: Re: [UNIKRAFT PATCH 8/9] build: Add compiler and flags for arm64
> 
> Fine. I would re-phrase the message a bit and say which Cortex models
> are added.
> 

Yes, adding a list of models in the message would be better.
I will add it in v2.

> On 15.03.2018 04:39, Wei Chen wrote:
> > In order to support arm64, we have to add correct compiler
> > for arm64, and add proper optimization flags for select
> > processor.
> >
> > Signed-off-by: Wei Chen <Wei.Chen@xxxxxxx>
> > ---
> >   arch/arm/Compiler.uk |  4 ++++
> >   arch/arm/Makefile.uk | 38 ++++++++++++++++++++++++++++++++++++++
> >   2 files changed, 42 insertions(+)
> >
> > diff --git a/arch/arm/Compiler.uk b/arch/arm/Compiler.uk
> > index ee34916..f625d7c 100644
> > --- a/arch/arm/Compiler.uk
> > +++ b/arch/arm/Compiler.uk
> > @@ -1,6 +1,10 @@
> >   # set cross compile
> >   ifeq ($(CROSS_COMPILE),)
> >   ifneq ($(UK_ARCH),$(HOSTARCH))
> > +ifeq ($(UK_ARCH),arm)
> >     CROSS_COMPILE := arm-linux-gnueabihf-
> > +else ifeq ($(UK_ARCH),arm64)
> > +   CROSS_COMPILE := aarch64-linux-gnu-
> > +endif
> >   endif
> >   endif
> > diff --git a/arch/arm/Makefile.uk b/arch/arm/Makefile.uk
> > index e7f7b49..03e809f 100644
> > --- a/arch/arm/Makefile.uk
> > +++ b/arch/arm/Makefile.uk
> > @@ -33,6 +33,44 @@ LIBARMMATH_SRCS-y += $(UK_BASE)/arch/arm/arm32/ldivmod.S
> >   LIBARMMATH_SRCS-y += $(UK_BASE)/arch/arm/arm32/ldivmod_helper.c
> >   LIBARMMATH_SRCS-y += $(UK_BASE)/arch/arm/arm32/qdivrem.c
> >
> > +else ifeq ($(UK_ARCH),arm64)
> > +
> > +ASFLAGS  += -D__ARM_64__
> > +CFLAGS   += -D__ARM_64__ -fms-extensions
> > +CXXFLAGS += -D__ARM_64__ -fms-extensions
> > +
> > +ifeq ($(MARCH_ARM64_NATIVE), y)
> > +$(eval $(call set_cc_flags,armv8-a,native,6,0))
> > +endif
> > +
> > +ifeq ($(MARCH_ARM64_GENERIC), y)
> > +$(eval $(call set_cc_flags,armv8-a,generic,4,8))
> > +endif
> > +
> > +ifeq ($(MARCH_ARM64_CORTEXA53),y)
> > +$(eval $(call set_cc_flags,armv8-a,cortex-a53,4,9))
> > +endif
> > +
> > +ifeq ($(MARCH_ARM64_CORTEXA57),y)
> > +$(eval $(call set_cc_flags,armv8-a,cortex-a57,4,9))
> > +endif
> > +
> > +ifeq ($(MARCH_ARM64_CORTEXA72),y)
> > +$(eval $(call set_cc_flags,armv8-a,cortex-a72,5,0))
> > +endif
> > +
> > +ifeq ($(MARCH_ARM64_CORTEXA73),y)
> > +$(eval $(call set_cc_flags,armv8-a,cortex-a73,7,0))
> > +endif
> > +
> > +ifeq ($(MARCH_ARM64_CORTEXA55),y)
> > +$(eval $(call set_cc_flags,armv8.2-a,cortex-a55,8,0))
> > +endif
> > +
> > +ifeq ($(MARCH_ARM64_CORTEXA75),y)
> > +$(eval $(call set_cc_flags,armv8.2-a,cortex-a75,8,0))
> > +endif
> > +
> >   else
> >   $(error Target architecture ($(UK_ARCH)) is currently not supported.)
> >   endif
> >
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