Re: [Minios-devel] [UNIKRAFT PATCHv4 13/43] arch/arm: Add more CPU models to processor optimization list

[Wei Chen <Wei.Chen@xxxxxxx>]

> -----Original Message-----
> From: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
> Sent: 2018年7月12日 20:57
> To: Wei Chen <Wei.Chen@xxxxxxx>; minios-devel@xxxxxxxxxxxxxxxxxxxx
> Cc: Kaly Xin <Kaly.Xin@xxxxxxx>; nd <nd@xxxxxxx>
> Subject: Re: [Minios-devel] [UNIKRAFT PATCHv4 13/43] arch/arm: Add more CPU
> models to processor optimization list
> 
> Hey,
> 
> the discussion we had with patch 7/43 is going to have implications to
> this patch as well.
> 

Ok, I will fix it with patch 7/43

> Thanks
> 
> Simon
> 
> On 06.07.2018 11:03, Wei Chen wrote:
> > Current processor optimization list only support generic cortex-a7
> > and one Allwin cortex-a7 SoC. In this patch, we add all armv7
> > cortex-a series and two armv8 32-bit CPU to support list.
> >
> > As arm64 and x86_64, we also add auto-detect host CPU option for arm32,
> > even it's not likely to be used on arm32 platforms.
> >
> > New supported armv7 cortex-a CPU models:
> > armv7-a,native
> > armv7-a,generic-armv7-a
> > armv7-a,cortex-a8
> > armv7-a,cortex-a9
> > armv7-a,cortex-a5
> > armv7-a,cortex-a15
> > armv7-a,cortex-a7
> > armv7-a,cortex-a12
> > armv7-a,cortex-a17
> > armv8-a,cortex-a32(full backward compatibility with Armv7)
> > armv8-a,cortex-a35(full backward compatibility with Armv7)
> >
> > The generic-armv7-a would be our default option of armv7 processor.
> >
> > Signed-off-by: Wei Chen <Wei.Chen@xxxxxxx>
> > ---
> >   arch/arm/arm/Makefile.uk | 56 +++++++++++++++++++++++++++++++++++++---
> >   1 file changed, 53 insertions(+), 3 deletions(-)
> >
> > diff --git a/arch/arm/arm/Makefile.uk b/arch/arm/arm/Makefile.uk
> > index a187946..7a8eb68 100644
> > --- a/arch/arm/arm/Makefile.uk
> > +++ b/arch/arm/arm/Makefile.uk
> > @@ -5,14 +5,64 @@ CFLAGS   += -marm -fms-extensions
> >   CXXFLAGS += -D__ARM_32__
> >   CXXFLAGS += -marm -fms-extensions
> >
> > +# Set GCC flags for MARCH_ARM32_NATIVE. GCC supports -mcpu=native from 4.7
> > +ifeq ($(CONFIG_MARCH_ARM32_NATIVE),y)
> > +$(eval $(call set_flags_if_gcc_version_ge,4,7,-mcpu=native -mtune=native))
> > +endif
> > +
> > +# Set GCC flags for MARCH_ARM32_GENERICV7. GCC supports -mtune=generic-
> armv7-a from 4.7
> > +ifeq ($(CONFIG_MARCH_ARM32_GENERICV7),y)
> > +$(eval $(call set_flags_if_gcc_version_ge,4,7,-march=armv7-a -
> mtune=generic-armv7-a))
> > +endif
> > +
> > +# Set GCC flags for MARCH_ARM32_CORTEXA5. GCC supports -mcpu=cortex-a5 from
> 4.5
> > +ifeq ($(CONFIG_MARCH_ARM32_CORTEXA5),y)
> > +$(eval $(call set_flags_if_gcc_version_ge,4,5,-mcpu=cortex-a5 -
> mtune=cortex-a5))
> > +endif
> > +
> > +# Set GCC flags for MARCH_ARM32_CORTEXA7. GCC supports -mcpu=cortex-a7 from
> 4.7
> > +ifeq ($(CONFIG_MARCH_ARM32_CORTEXA7),y)
> > +$(eval $(call set_flags_if_gcc_version_ge,4,7,-mcpu=cortex-a7 -
> mtune=cortex-a7))
> > +endif
> > +
> > +# Set GCC flags for MARCH_ARM32_CORTEXA8. GCC supports -mcpu=cortex-a8 from
> 4.3
> > +ifeq ($(CONFIG_MARCH_ARM32_CORTEXA8),y)
> > +$(eval $(call set_flags_if_gcc_version_ge,4,3,-mcpu=cortex-a8 -
> mtune=cortex-a8))
> > +endif
> > +
> > +# Set GCC flags for MARCH_ARM32_CORTEXA9. GCC supports -mcpu=cortex-a9 from
> 4.4
> > +ifeq ($(CONFIG_MARCH_ARM32_CORTEXA9),y)
> > +$(eval $(call set_flags_if_gcc_version_ge,4,4,-mcpu=cortex-a9 -
> mtune=cortex-a9))
> > +endif
> > +
> > +# Set GCC flags for MARCH_ARM32_CORTEXA12. GCC supports -mcpu=cortex-a12
> from 4.9
> > +ifeq ($(CONFIG_MARCH_ARM32_CORTEXA12),y)
> > +$(eval $(call set_flags_if_gcc_version_ge,4,9,-mcpu=cortex-a12 -
> mtune=cortex-a12))
> > +endif
> > +
> > +# Set GCC flags for MARCH_ARM32_CORTEXA15. GCC supports -mcpu=cortex-a15
> from 4.6
> > +ifeq ($(CONFIG_MARCH_ARM32_CORTEXA15),y)
> > +$(eval $(call set_flags_if_gcc_version_ge,4,6,-mcpu=cortex-a15 -
> mtune=cortex-a15))
> > +endif
> > +
> > +# Set GCC flags for MARCH_ARM32_CORTEXA17. GCC supports -mcpu=cortex-a17
> from 6.1
> > +ifeq ($(CONFIG_MARCH_ARM32_CORTEXA17),y)
> > +$(eval $(call set_flags_if_gcc_version_ge,6,1,-mcpu=cortex-a17 -
> mtune=cortex-a17))
> > +endif
> > +
> >   # Set GCC flags for MARCH_ARM32_A20NEON. GCC supports -mcpu=cortex-a7 from
> 4.7
> >   ifeq ($(CONFIG_MARCH_ARM32_A20NEON),y)
> >   $(eval $(call set_flags_if_gcc_version_ge,4,7,-mcpu=cortex-a7 -
> mtune=cortex-a7 -mfpu=vfpv4-d16 -mfpu=neon-vfpv4 -funsafe-math-optimizations))
> >   endif
> >
> > -# Set GCC flags for MARCH_ARM32_CORTEXA7. GCC supports -mcpu=cortex-a7 from
> 4.7
> > -ifeq ($(CONFIG_MARCH_ARM32_CORTEXA7),y)
> > -$(eval $(call set_flags_for_valid_gcc,4,7,-mcpu=cortex-a7 
> > -mtune=cortex-a7))
> > +# Set GCC flags for MARCH_ARM32_CORTEXA32. GCC supports -mcpu=cortex-a32
> from 6.1
> > +ifeq ($(CONFIG_MARCH_ARM32_CORTEXA32),y)
> > +$(eval $(call set_flags_if_gcc_version_ge,6,1,-mcpu=cortex-a32 -
> mtune=cortex-a32))
> > +endif
> > +
> > +# Set GCC flags for MARCH_ARM32_CORTEXA35. GCC supports -mcpu=cortex-a35
> from 6.1
> > +ifeq ($(CONFIG_MARCH_ARM32_CORTEXA35),y)
> > +$(eval $(call set_flags_if_gcc_version_ge,6,1,-mcpu=cortex-a35 -
> mtune=cortex-a35))
> >   endif
> >
> >   $(eval $(call addlib,libarmmath))
> >
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