xref: /freebsd-10.0-release/share/mk/bsd.cpu.mk

# $FreeBSD: head/share/mk/bsd.cpu.mk 74553 2001-03-21 08:29:39Z kris $

# Set default baseline values of CPUTYPE based on MACHINE_ARCH -- this is
# the minimum CPU type we support for each architecture

.if ${MACHINE_ARCH} == "i386"
CPUTYPE ?= i386
.elif ${MACHINE_ARCH} == "alpha"
CPUTYPE ?= ev4
.elif ${MACHINE_ARCH} == "ia64"
CPUTYPE ?= itanium
.endif

# Handle aliases (not documented in make.conf to avoid user confusion
# between e.g. i586 and pentium)

.if ${MACHINE_ARCH} == "i386"
. if ${CPUTYPE} == "pentiumpro"
CPUTYPE = i686
. elif ${CPUTYPE} == "pentium"
CPUTYPE = i586
. elif ${CPUTYPE} == "athlon"
CPUTYPE = k7
. endif
.endif

# Logic to set up correct gcc optimization flag. This must be included
# after /etc/make.conf so it can react to the local value of CPUTYPE
# defined therein.

.if !defined(NO_CPU_CFLAGS) || !defined(NO_CPU_COPTFLAGS)
. if ${MACHINE_ARCH} == "i386"
.  if ${CPUTYPE} == "k7"
_CPUCFLAGS = -march=k6	# gcc doesn't support athlon yet, but it will
.  elif ${CPUTYPE} == "k6-2"
_CPUCFLAGS = -march=k6
.  elif ${CPUTYPE} == "k6"
_CPUCFLAGS = -march=k6
.  elif ${CPUTYPE} == "k5"
_CPUCFLAGS = -march=pentium
.  elif ${CPUTYPE} == "p4"
_CPUCFLAGS = -march=pentiumpro
.  elif ${CPUTYPE} == "p3"
_CPUCFLAGS = -march=pentiumpro
.  elif ${CPUTYPE} == "p2"
_CPUCFLAGS = -march=pentiumpro
.  elif ${CPUTYPE} == "i686"
_CPUCFLAGS = -march=pentiumpro
.  elif ${CPUTYPE} == "i586/mmx"
_CPUCFLAGS = -march=pentium
.  elif ${CPUTYPE} == "i586"
_CPUCFLAGS = -march=pentium
.  elif ${CPUTYPE} == "i486"
_CPUCFLAGS = -m486
.  endif
. elif ${MACHINE_ARCH} == "alpha"
.  if ${CPUTYPE} == "ev6"
_CPUCFLAGS = -mcpu=ev6
.  elif ${CPUTYPE} == "pca56"
_CPUCFLAGS = -mcpu=pca56
.  elif ${CPUTYPE} == "ev56"
_CPUCFLAGS = -mcpu=ev56
.  elif ${CPUTYPE} == "ev5"
_CPUCFLAGS = -mcpu=ev5
.  elif ${CPUTYPE} == "ev45"
_CPUCFLAGS = -mcpu=ev4		# No -mcpu=ev45 for gcc
.  elif ${CPUTYPE} == "ev4"
_CPUCFLAGS = -mcpu=ev4
.  endif
. endif
.endif

# NB: COPTFLAGS is handled in /usr/src/sys/conf/Makefile.<arch>

.if !defined(NO_CPU_CFLAGS)
CFLAGS += ${_CPUCFLAGS}
.endif

# Set up the list of CPU features based on the CPU type.  This is an
# unordered list to make it easy for client makefiles to test for the
# presence of a CPU feature.

.if ${MACHINE_ARCH} == "i386"
. if ${CPUTYPE} == "k7"
MACHINE_CPU = k7 3dnow mmx k6 k5 i586 i486 i386
. elif ${CPUTYPE} == "k6-2"
MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
. elif ${CPUTYPE} == "k6"
MACHINE_CPU = mmx k6 k5 i586 i486 i386
. elif ${CPUTYPE} == "k5"
MACHINE_CPU = k5 i586 i486 i386
. elif ${CPUTYPE} == "p4"
MACHINE_CPU = sse i686 mmx i586 i486 i386
. elif ${CPUTYPE} == "p3"
MACHINE_CPU = sse i686 mmx i586 i486 i386
. elif ${CPUTYPE} == "p2"
MACHINE_CPU = i686 mmx i586 i486 i386
. elif ${CPUTYPE} == "i686"
MACHINE_CPU = i686 i586 i486 i386
. elif ${CPUTYPE} == "i586/mmx"
MACHINE_CPU = mmx i586 i486 i386
. elif ${CPUTYPE} == "i586"
MACHINE_CPU = i586 i486 i386
. elif ${CPUTYPE} == "i486"
MACHINE_CPU = i486 i386
. elif ${CPUTYPE} == "i386"
MACHINE_CPU = i386
. endif
.elif ${MACHINE_ARCH} == "alpha"
. if ${CPUTYPE} == "ev6"
MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4
. elif ${CPUTYPE} == "pca56"
MACHINE_CPU = pca56 ev56 ev5 ev45 ev4
. elif ${CPUTYPE} == "ev56"
MACHINE_CPU = ev56 ev5 ev45 ev4
. elif ${CPUTYPE} == "ev5"
MACHINE_CPU = ev5 ev45 ev4
. elif ${CPUTYPE} == "ev45"
MACHINE_CPU = ev45 ev4
. elif ${CPUTYPE} == "ev4"
MACHINE_CPU = ev4
. endif
.elif ${MACHINE_ARCH} == "ia64"
. if ${CPUTYPE} == "itanium"
MACHINE_CPU = itanium
. endif
.endif