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Name	Size	Permission	Date
boot	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
coco	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
crypto	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
entry	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
events	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
hyperv	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
ia32	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
include	[ DIR ]	drwxr-xr-x	2026-06-04 06:35
kernel	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
kvm	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
lib	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
math-emu	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
mm	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
net	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
pci	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
platform	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
power	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
purgatory	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
ras	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
realmode	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
tools	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
um	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
video	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
virt	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
xen	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
Kbuild	559 B	-rw-r--r--	2024-03-10 20:38
Kconfig	100.86 KB	-rw-r--r--	2026-05-26 09:55
Kconfig.assembler	944 B	-rw-r--r--	2026-05-26 09:55
Kconfig.cpu	16.58 KB	-rw-r--r--	2026-05-26 09:55
Kconfig.debug	8.8 KB	-rw-r--r--	2026-05-26 09:55
Makefile	11.26 KB	-rw-r--r--	2026-05-26 09:55
Makefile.postlink	1.11 KB	-rw-r--r--	2024-03-10 20:38
Makefile.um	1.63 KB	-rw-r--r--	2026-05-26 09:55
Makefile_32.cpu	2.42 KB	-rw-r--r--	2024-03-10 20:38

Rename

# SPDX-License-Identifier: GPL-2.0
# CPU tuning section - shared with UML.
# Must change only cflags-y (or [yn]), not CFLAGS! That makes a difference for UML.

tune		= $(call cc-option,-mtune=$(1),$(2))

ifdef CONFIG_CC_IS_CLANG
align		:= -falign-functions=0 $(call cc-option,-falign-jumps=0) $(call cc-option,-falign-loops=0)
else
align		:= -falign-functions=0 -falign-jumps=0 -falign-loops=0
endif

cflags-$(CONFIG_M486SX)		+= -march=i486
cflags-$(CONFIG_M486)		+= -march=i486
cflags-$(CONFIG_M586)		+= -march=i586
cflags-$(CONFIG_M586TSC)	+= -march=i586
cflags-$(CONFIG_M586MMX)	+= -march=pentium-mmx
cflags-$(CONFIG_M686)		+= -march=i686
cflags-$(CONFIG_MPENTIUMII)	+= -march=i686 $(call tune,pentium2)
cflags-$(CONFIG_MPENTIUMIII)	+= -march=i686 $(call tune,pentium3)
cflags-$(CONFIG_MPENTIUMM)	+= -march=i686 $(call tune,pentium3)
cflags-$(CONFIG_MPENTIUM4)	+= -march=i686 $(call tune,pentium4)
cflags-$(CONFIG_MK6)		+= -march=k6
# Please note, that patches that add -march=athlon-xp and friends are pointless.
# They make zero difference whatsosever to performance at this time.
cflags-$(CONFIG_MK7)		+= -march=athlon
cflags-$(CONFIG_MK8)		+= $(call cc-option,-march=k8,-march=athlon)
cflags-$(CONFIG_MCRUSOE)	+= -march=i686 $(align)
cflags-$(CONFIG_MEFFICEON)	+= -march=i686 $(call tune,pentium3) $(align)
cflags-$(CONFIG_MWINCHIPC6)	+= $(call cc-option,-march=winchip-c6,-march=i586)
cflags-$(CONFIG_MWINCHIP3D)	+= $(call cc-option,-march=winchip2,-march=i586)
cflags-$(CONFIG_MCYRIXIII)	+= $(call cc-option,-march=c3,-march=i486) $(align)
cflags-$(CONFIG_MVIAC3_2)	+= $(call cc-option,-march=c3-2,-march=i686)
cflags-$(CONFIG_MVIAC7)		+= -march=i686
cflags-$(CONFIG_MCORE2)		+= -march=i686 $(call tune,core2)
cflags-$(CONFIG_MATOM)		+= $(call cc-option,-march=atom,$(call cc-option,-march=core2,-march=i686)) \
	$(call cc-option,-mtune=atom,$(call cc-option,-mtune=generic))

# AMD Elan support
cflags-$(CONFIG_MELAN)		+= -march=i486

# Geode GX1 support
cflags-$(CONFIG_MGEODEGX1)	+= -march=pentium-mmx
cflags-$(CONFIG_MGEODE_LX)	+= $(call cc-option,-march=geode,-march=pentium-mmx)
# add at the end to overwrite eventual tuning options from earlier
# cpu entries
cflags-$(CONFIG_X86_GENERIC) 	+= $(call tune,generic,$(call tune,i686))

# Bug fix for binutils: this option is required in order to keep
# binutils from generating NOPL instructions against our will.
ifneq ($(CONFIG_X86_P6_NOP),y)
cflags-y			+= $(call cc-option,-Wa$(comma)-mtune=generic32,)
endif