Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) # CPU tuning section - shared with UML.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) # Must change only cflags-y (or [yn]), not CFLAGS! That makes a difference for UML.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #-mtune exists since gcc 3.4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) HAS_MTUNE	:= $(call cc-option-yn, -mtune=i386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) ifeq ($(HAS_MTUNE),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) tune		= $(call cc-option,-mtune=$(1),$(2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) tune		= $(call cc-option,-mcpu=$(1),$(2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) cflags-$(CONFIG_M486SX)		+= -march=i486
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) cflags-$(CONFIG_M486)		+= -march=i486
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) cflags-$(CONFIG_M586)		+= -march=i586
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) cflags-$(CONFIG_M586TSC)	+= -march=i586
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) cflags-$(CONFIG_M586MMX)	+= -march=pentium-mmx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) cflags-$(CONFIG_M686)		+= -march=i686
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) cflags-$(CONFIG_MPENTIUMII)	+= -march=i686 $(call tune,pentium2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) cflags-$(CONFIG_MPENTIUMIII)	+= -march=i686 $(call tune,pentium3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) cflags-$(CONFIG_MPENTIUMM)	+= -march=i686 $(call tune,pentium3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) cflags-$(CONFIG_MPENTIUM4)	+= -march=i686 $(call tune,pentium4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) cflags-$(CONFIG_MK6)		+= -march=k6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) # Please note, that patches that add -march=athlon-xp and friends are pointless.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) # They make zero difference whatsosever to performance at this time.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) cflags-$(CONFIG_MK7)		+= -march=athlon
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) cflags-$(CONFIG_MK8)		+= $(call cc-option,-march=k8,-march=athlon)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) cflags-$(CONFIG_MCRUSOE)	+= -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) cflags-$(CONFIG_MEFFICEON)	+= -march=i686 $(call tune,pentium3) -falign-functions=0 -falign-jumps=0 -falign-loops=0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) cflags-$(CONFIG_MWINCHIPC6)	+= $(call cc-option,-march=winchip-c6,-march=i586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) cflags-$(CONFIG_MWINCHIP3D)	+= $(call cc-option,-march=winchip2,-march=i586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) cflags-$(CONFIG_MCYRIXIII)	+= $(call cc-option,-march=c3,-march=i486) -falign-functions=0 -falign-jumps=0 -falign-loops=0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) cflags-$(CONFIG_MVIAC3_2)	+= $(call cc-option,-march=c3-2,-march=i686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) cflags-$(CONFIG_MVIAC7)		+= -march=i686
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) cflags-$(CONFIG_MCORE2)		+= -march=i686 $(call tune,core2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) cflags-$(CONFIG_MATOM)		+= $(call cc-option,-march=atom,$(call cc-option,-march=core2,-march=i686)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	$(call cc-option,-mtune=atom,$(call cc-option,-mtune=generic))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) # AMD Elan support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) cflags-$(CONFIG_MELAN)		+= -march=i486
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) # Geode GX1 support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) cflags-$(CONFIG_MGEODEGX1)	+= -march=pentium-mmx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) cflags-$(CONFIG_MGEODE_LX)	+= $(call cc-option,-march=geode,-march=pentium-mmx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) # add at the end to overwrite eventual tuning options from earlier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) # cpu entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) cflags-$(CONFIG_X86_GENERIC) 	+= $(call tune,generic,$(call tune,i686))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) # Bug fix for binutils: this option is required in order to keep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) # binutils from generating NOPL instructions against our will.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) ifneq ($(CONFIG_X86_P6_NOP),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) cflags-y			+= $(call cc-option,-Wa$(comma)-mtune=generic32,)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) endif