bsd.cpu.mk revision 94987 
1# $FreeBSD: head/share/mk/bsd.cpu.mk 94987 2002-04-18 09:37:15Z ru $
2
3# Set default baseline values of CPUTYPE based on MACHINE_ARCH -- this is
4# the minimum CPU type we support for each architecture
5
6.if ${MACHINE_ARCH} == "i386"
7CPUTYPE ?= i386
8.elif ${MACHINE_ARCH} == "alpha"
9CPUTYPE ?= ev4
10.elif ${MACHINE_ARCH} == "ia64"
11CPUTYPE ?= itanium
12.endif
13
14# Handle aliases (not documented in make.conf to avoid user confusion
15# between e.g. i586 and pentium)
16
17.if ${MACHINE_ARCH} == "i386"
18. if ${CPUTYPE} == "pentiumpro"
19CPUTYPE = i686
20. elif ${CPUTYPE} == "pentium"
21CPUTYPE = i586
22. elif ${CPUTYPE} == "athlon"
23CPUTYPE = k7
24. endif
25.endif
26
27# Logic to set up correct gcc optimization flag. This must be included
28# after /etc/make.conf so it can react to the local value of CPUTYPE
29# defined therein.
30
31.if !defined(NO_CPU_CFLAGS) || !defined(NO_CPU_COPTFLAGS)
32. if ${MACHINE_ARCH} == "i386"
33.  if ${CPUTYPE} == "k7"
34_CPUCFLAGS = -march=k6	# gcc doesn't support athlon yet, but it will
35.  elif ${CPUTYPE} == "k6-2"
36_CPUCFLAGS = -march=k6
37.  elif ${CPUTYPE} == "k6"
38_CPUCFLAGS = -march=k6
39.  elif ${CPUTYPE} == "k5"
40_CPUCFLAGS = -march=pentium
41.  elif ${CPUTYPE} == "p4"
42_CPUCFLAGS = -march=pentiumpro
43.  elif ${CPUTYPE} == "p3"
44_CPUCFLAGS = -march=pentiumpro
45.  elif ${CPUTYPE} == "p2"
46_CPUCFLAGS = -march=pentiumpro
47.  elif ${CPUTYPE} == "i686"
48_CPUCFLAGS = -march=pentiumpro
49.  elif ${CPUTYPE} == "i586/mmx"
50_CPUCFLAGS = -march=pentium
51.  elif ${CPUTYPE} == "i586"
52_CPUCFLAGS = -march=pentium
53.  elif ${CPUTYPE} == "i486"
54_CPUCFLAGS = -march=i486
55.  endif
56. elif ${MACHINE_ARCH} == "alpha"
57.  if ${CPUTYPE} == "ev6"
58_CPUCFLAGS = -mcpu=ev6
59.  elif ${CPUTYPE} == "pca56"
60_CPUCFLAGS = -mcpu=pca56
61.  elif ${CPUTYPE} == "ev56"
62_CPUCFLAGS = -mcpu=ev56
63.  elif ${CPUTYPE} == "ev5"
64_CPUCFLAGS = -mcpu=ev5
65.  elif ${CPUTYPE} == "ev45"
66_CPUCFLAGS = -mcpu=ev4		# No -mcpu=ev45 for gcc
67.  elif ${CPUTYPE} == "ev4"
68_CPUCFLAGS = -mcpu=ev4
69.  endif
70. endif
71.endif
72
73# NB: COPTFLAGS is handled in /usr/src/sys/conf/Makefile.<arch>
74
75.if !defined(NO_CPU_CFLAGS)
76CFLAGS += ${_CPUCFLAGS}
77.endif
78
79# Set up the list of CPU features based on the CPU type.  This is an
80# unordered list to make it easy for client makefiles to test for the
81# presence of a CPU feature.
82
83.if ${MACHINE_ARCH} == "i386"
84. if ${CPUTYPE} == "k7"
85MACHINE_CPU = k7 3dnow mmx k6 k5 i586 i486 i386
86. elif ${CPUTYPE} == "k6-2"
87MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
88. elif ${CPUTYPE} == "k6"
89MACHINE_CPU = mmx k6 k5 i586 i486 i386
90. elif ${CPUTYPE} == "k5"
91MACHINE_CPU = k5 i586 i486 i386
92. elif ${CPUTYPE} == "p4"
93MACHINE_CPU = sse i686 mmx i586 i486 i386
94. elif ${CPUTYPE} == "p3"
95MACHINE_CPU = sse i686 mmx i586 i486 i386
96. elif ${CPUTYPE} == "p2"
97MACHINE_CPU = i686 mmx i586 i486 i386
98. elif ${CPUTYPE} == "i686"
99MACHINE_CPU = i686 i586 i486 i386
100. elif ${CPUTYPE} == "i586/mmx"
101MACHINE_CPU = mmx i586 i486 i386
102. elif ${CPUTYPE} == "i586"
103MACHINE_CPU = i586 i486 i386
104. elif ${CPUTYPE} == "i486"
105MACHINE_CPU = i486 i386
106. elif ${CPUTYPE} == "i386"
107MACHINE_CPU = i386
108. endif
109.elif ${MACHINE_ARCH} == "alpha"
110. if ${CPUTYPE} == "ev6"
111MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4
112. elif ${CPUTYPE} == "pca56"
113MACHINE_CPU = pca56 ev56 ev5 ev45 ev4
114. elif ${CPUTYPE} == "ev56"
115MACHINE_CPU = ev56 ev5 ev45 ev4
116. elif ${CPUTYPE} == "ev5"
117MACHINE_CPU = ev5 ev45 ev4
118. elif ${CPUTYPE} == "ev45"
119MACHINE_CPU = ev45 ev4
120. elif ${CPUTYPE} == "ev4"
121MACHINE_CPU = ev4
122. endif
123.elif ${MACHINE_ARCH} == "ia64"
124. if ${CPUTYPE} == "itanium"
125MACHINE_CPU = itanium
126. endif
127.endif
128