arch: add Atom CPUs as Silvermont Architecture target

The old Atom target is not really fitting for recent Atom CPUs based
on Silvermont, Airmont or Goldmont. Those have more in common with
older Desktop CPUs than old Atoms.

Signed-off-by: Norbert Lange <norbert.lange@andritz.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Norbert Lange 2017-10-24 14:22:06 +02:00 committed by Thomas Petazzoni
parent 7da7a1f96f
commit 1eecd462ae
2 changed files with 12 additions and 1 deletions

View File

@ -129,6 +129,15 @@ config BR2_x86_atom
select BR2_X86_CPU_HAS_SSE2
select BR2_X86_CPU_HAS_SSE3
select BR2_X86_CPU_HAS_SSSE3
config BR2_x86_silvermont
bool "silvermont"
select BR2_X86_CPU_HAS_MMX
select BR2_X86_CPU_HAS_SSE
select BR2_X86_CPU_HAS_SSE2
select BR2_X86_CPU_HAS_SSE3
select BR2_X86_CPU_HAS_SSSE3
select BR2_X86_CPU_HAS_SSE4
select BR2_X86_CPU_HAS_SSE42
config BR2_x86_k6
bool "k6"
select BR2_X86_CPU_HAS_MMX
@ -229,6 +238,7 @@ config BR2_ARCH
default "i686" if BR2_x86_corei7_avx && BR2_i386
default "i686" if BR2_x86_corei7_avx2 && BR2_i386
default "i686" if BR2_x86_atom && BR2_i386
default "i686" if BR2_x86_silvermont && BR2_i386
default "i686" if BR2_x86_opteron && BR2_i386
default "i686" if BR2_x86_opteron_sse3 && BR2_i386
default "i686" if BR2_x86_barcelona && BR2_i386
@ -261,6 +271,7 @@ config BR2_GCC_TARGET_ARCH
default "corei7-avx" if BR2_x86_corei7_avx
default "core-avx2" if BR2_x86_core_avx2
default "atom" if BR2_x86_atom
default "silvermont" if BR2_x86_silvermont
default "k8" if BR2_x86_opteron
default "k8-sse3" if BR2_x86_opteron_sse3
default "barcelona" if BR2_x86_barcelona

View File

@ -6,7 +6,7 @@ config BR2_PACKAGE_OPENBLAS_DEFAULT_TARGET
default "PRESCOTT" if BR2_x86_prescott
default "BANIAS" if BR2_x86_pentium_m
default "CORE2" if BR2_x86_core2
default "NEHALEM" if BR2_x86_corei7
default "NEHALEM" if BR2_x86_corei7 || BR2_x86_silvermont
default "SANDYBRIDGE" if BR2_x86_corei7_avx
default "HASWELL" if BR2_x86_core_avx2
default "ATOM" if BR2_x86_atom